CN118190236B - Stabilizing device for measuring air pressure at common point - Google Patents
Stabilizing device for measuring air pressure at common point Download PDFInfo
- Publication number
- CN118190236B CN118190236B CN202410412142.2A CN202410412142A CN118190236B CN 118190236 B CN118190236 B CN 118190236B CN 202410412142 A CN202410412142 A CN 202410412142A CN 118190236 B CN118190236 B CN 118190236B
- Authority
- CN
- China
- Prior art keywords
- angle
- box body
- outer box
- fastening piece
- air pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000000087 stabilizing effect Effects 0.000 title claims abstract description 19
- 238000005192 partition Methods 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims description 21
- 229910000746 Structural steel Inorganic materials 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000009423 ventilation Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
- G01L19/142—Multiple part housings
- G01L19/143—Two part housings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
本发明提出一种用于测量公共点气压的稳定装置，其包括：公共管、外箱体、内箱体、隔板，所述公共管的下端穿过外箱体的上壁板与外箱体内部连通，所述外箱体体内设有内箱体，所述内箱体通过圆形通气管与外箱体可拆卸连通，所述外箱体和内箱体的壁板上均设有N个圆形通孔，外大气压通过圆形通孔进入外箱体的下腔体，再由下腔体进入内箱体，然后通过圆形通气管进入外箱体的上腔体，当需要测量公共点气压时，测量室的N个压力传感器的一端通过公共管进入上腔体，测量上腔体的大气压值，用作公共点的大气压值，本发明通过增强外大气压在箱体内的流动路径，减少外界环境条件的干扰，使得公共点气压值得以稳定。
The present invention proposes a stabilizing device for measuring the air pressure of a common point, which comprises: a common pipe, an outer box, an inner box, and a partition. The lower end of the common pipe passes through the upper wall plate of the outer box and is connected with the inside of the outer box. The outer box is provided with an inner box, and the inner box is detachably connected with the outer box through a circular ventilation pipe. N circular through holes are provided on the wall plates of the outer box and the inner box. The external atmospheric pressure enters the lower cavity of the outer box through the circular through holes, then enters the inner box from the lower cavity, and then enters the upper cavity of the outer box through the circular ventilation pipe. When it is necessary to measure the air pressure of the common point, one end of the N pressure sensors in the measuring room enters the upper cavity through the common pipe, and measures the atmospheric pressure value of the upper cavity, which is used as the atmospheric pressure value of the common point. The present invention stabilizes the air pressure value of the common point by enhancing the flow path of the external atmospheric pressure in the box and reducing the interference of external environmental conditions.
Description
Technical Field
The invention relates to the technical field of pressure measurement, in particular to a stabilizing device for measuring the air pressure of a common point.
Background
When an atmospheric pressure measurement is required, it is generally necessary to keep the atmospheric pressure stable. In the prior art, the air pressure of the environment is generally detected by an air pressure meter, but the temperature, the humidity, the height and the air disturbance in the environment space all affect the measured air pressure value, so that the air pressure value of each point in the detected environment space is different, and the measuring result is affected.
In view of this, the present invention provides a stabilizing device for measuring the air pressure at the common point, which makes the air pressure in the space tend to be stable through multiple paths, and uses the pressure sensor of the measuring chamber to confirm the air pressure at the common point, so as to measure the stable air pressure in the measured space.
Disclosure of Invention
In view of the above, the present invention is directed to a stabilizing device for measuring the air pressure at a common point, and the air pressure is measured at a fixed point in the measured environmental space, so as to reduce the influence of the temperature, humidity, altitude and air disturbance in the environmental space on the air pressure.
A stabilizing device for measuring common point air pressure comprises a common pipe, an outer box 2, an inner box 3, a partition plate 4 and a circular vent pipe 5, and is characterized in that the common pipe 1 and the outer box 2 are of hollow structures, the lower end of the common pipe 1 penetrates through an upper wall plate of the outer box 2 to be communicated with the interior of the outer box 2 and detachably connected with the outer box 2, the outer box 2 is divided into an upper cavity 6 and a lower cavity 7, the upper cavity 6 and the lower cavity 7 are separated by the partition plate 4, the inner box 3 is of a hollow structure, the inner box 3 is detachably communicated with the partition plate 4 through the circular vent pipe 5, N circular through holes 28 are formed in the lower wall plate of the outer box 2 and the upper wall plate of the inner box 3, the outer atmospheric pressure enters the lower cavity 7 through the circular through holes 28 of the lower wall plate of the outer box 2, then enters the upper cavity 3 through the circular through holes 28 of the upper wall plate 3, and finally enters the common cavity 6 when the common air pressure is measured, and the common pressure value enters the upper cavity 6 through the upper cavity 6, and the common pressure value of the common point air pressure is measured.
Further, a circle of first turning angles 8 are arranged at the lower end of the public pipe 1, and the vertical section of each first turning angle 8 is in an inverted isosceles trapezoid and is used for being clamped with the outer box body 2.
Further, the outer wall that is close to first turn angle 8 department of public pipe 1 lower extreme is equipped with the external screw thread, the junction of outer box 2, public pipe 1 is equipped with first fastener 9, first fastener 9 is equipped with the internal screw thread, public pipe 1 cup joints and the screw thread lockwork with first fastener 9, the lower extreme of first fastener 9 is equipped with round and turns over L type angle 10 that turns over outward for strengthen the body intensity of first fastener 9.
Further, a first annular sealing ring 11 which is attached to the first turning angle 8 is arranged on the first turning angle 8 at the lower end of the public pipe 1, the first turning angle 8 and the first annular sealing ring 11 are both arranged inside the outer box body 2, the first fastening piece 9 is arranged at the lower end of the public pipe 1 through a spiral thread knob, and the lower surface of the L-shaped angle 10 of the first fastening piece 9 is sequentially attached to the upper wall plate of the outer box body 2, the first annular sealing ring 11 and the first turning angle 8.
Further, the left and right sides of upper chamber 6 lower extreme all is equipped with the second L type right angle turn-ups 12 of turning over outwards, the lower extreme of second L type right angle turn-ups 12 is equipped with second bar sealing piece 13, the upper surface of second bar sealing piece 13 is laminated with the lower surface of second L type right angle turn-ups 12 mutually, the left and right sides of lower chamber 7 upper end all is equipped with the third L type right angle turn-ups 14 of turning over outwards, the lower extreme of third L type right angle turn-ups 14 is equipped with L type fixed angle bar 15, the bending direction of L type fixed angle bar 15 and third L type right angle turn-ups 14 is the same, the surface of L type fixed angle bar 15 is laminated with the lower surface of third L type right angle turn-ups 14 mutually, the both ends of baffle 4 all are equipped with the fourth right angle turn-ups 16 of inwards turning over twice, the interior angle of fourth right angle turn-ups 16 and the last angle iron matching joint of third L type right angle turn-ups 14, L type fixed angle iron 15, the one end of bolt 17 passes second L type right angle turn-ups 12, second L type right angle turn-ups 13, fourth L type right angle turn-ups 14, the fourth angle turn-ups 16 in proper order, the realization screw nut is in turn down the other end with this other end of the second L type right angle turn-ups 14, the baffle is connected with the fourth right angle turn-ups 15, and the fourth bar nut is in order, the realization.
Further, a circle of fifth turning angle 19 which turns outwards is arranged at the upper end of the circular vent pipe 5, the vertical section of the upper end of the fifth turning angle 19 is an isosceles trapezoid, a circle of third annular sealing ring 20 which is attached to the fifth turning angle 19 is arranged at the lower end of the fifth turning angle 19, a second fastening piece 21 is arranged at the joint of the circular vent pipe 5 and the partition plate 4 and the inner box body 3, a circle of external threads are arranged on the outer surface of the circular vent pipe 5, an internal thread is arranged on the inner wall of the second fastening piece 21, the circular vent pipe 5 is sleeved with the second fastening piece 21 and is in threaded locking connection, corner pieces which turn outwards are arranged at the upper end and the lower end of the second fastening piece 21, a third fastening piece 22 is connected to the lower end of the second fastening piece 21, the third fastening piece 22 is a hollow annular fastening piece with internal threads on the inner wall, the upper surface of the third fastening piece 22 is matched with the lower surface of the second fastening piece 21, the upper end of the second fastening piece 21 is sequentially attached to the partition plate 4, the third annular sealing ring 20 and the fifth turning angle 19, the upper end of the second fastening piece 21 is sequentially attached to the circular vent pipe 4, the inner box body 3 is sequentially connected to the upper end of the circular vent pipe 21 through the third turning angle 19, and the threaded fastening piece 23 is sequentially attached to the upper end of the third fastening piece 23 through the third fastening piece 5 and the threaded fastening piece.
Further, the inner case 3 includes a cover plate 23 and a concave bottom groove 24, the cover plate 23 is provided with a circle of sixth turning angle 25 turned up twice, the upper end of the concave bottom groove 24 is provided with a circle of seventh triangular flanging 26 turned up twice, the concave bottom groove 24 is formed integrally, and the seventh triangular flanging 26 is clamped with the sixth turning angle 25 in a matching manner.
Further, 2-4 rows of air inlets are arranged on the lower wall plate of the outer box body 2, N circular through holes 28 are arranged on each row of air inlets, 2-4 rows of air inlets are arranged on the cover plate 23 of the inner box body 3, and N circular through holes 28 are arranged on each row of air inlets.
Further, a circle of sound absorbing cotton 27 is arranged on the inner wall plate of the lower cavity 7 and used for reducing air flow fluctuation in the box body.
Furthermore, the outer box body 2, the inner box body 3 and the partition plate 4 are made of iron sheets, and the central lines of the common pipe 1, the outer box body 2, the inner box body 3 and the circular vent pipe 5 are all on the same straight line.
The invention provides a stabilizing device for measuring the air pressure of a common point, which comprises a common pipe 1, an outer box 2, an inner box 3, a partition board 4 and a circular ventilation pipe 5, wherein the common pipe 1 and the outer box 2 are of hollow structures, the lower end of the common pipe 1 passes through an upper wall plate of the outer box 2 to be communicated with the interior of the outer box 2 and detachably connected with the outer box 2, the outer box 2 is divided into an upper cavity 6 and a lower cavity 7, the upper cavity 6 and the lower cavity 7 are separated by the partition board 4, the inner box 3 is arranged in the lower cavity 7 of the outer box 2 and is of a hollow structure, the inner box 3 is detachably communicated with the partition board 4 by the circular ventilation pipe 5, N circular through holes 28 are respectively formed in the lower wall plate of the outer box 2 and the upper wall plate of the inner box 3, the outer atmospheric pressure enters the lower cavity 7 through the circular through the lower wall plate 28 of the outer box 2, the air pressure is measured by the inner wall plate 3, and finally, the air pressure value of the common air pressure is measured by the inner box 3, and the air pressure value of the common point is measured by the air pressure sensor, and the air pressure value of the common point is reduced, and the air pressure value of the common point is measured by the inner cavity 6.
Drawings
FIG. 1 is a schematic diagram showing the overall structure of a stabilizer for measuring the air pressure at a common point.
Fig. 2 is a schematic partial structure of a stabilizer for measuring the air pressure at a common point.
The invention will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
The following examples are described to aid in the understanding of the application and are not, nor should they be construed in any way to limit the scope of the application.
In the following description, those skilled in the art will recognize that components may be described as separate functional units (which may include sub-units) throughout this discussion, but those skilled in the art will recognize that various components or portions thereof may be divided into separate components or may be integrated together (including integration within a single system or component).
Meanwhile, connections between components or systems are not intended to be limited to direct connections, but rather, data between these components may be modified, reformatted, or otherwise changed by intermediate components. In addition, additional or fewer connections may be used. It should also be noted that the terms "coupled," "connected," or "input" are to be understood to include direct connection, indirect connection via one or more intermediary devices, and wireless connection.
As shown in figures 1 and 2, the stabilizing device for measuring the air pressure at the common point is characterized in that a common pipe 1, an outer box 2, an inner box 3, a partition plate 4 and a circular vent pipe 5 are arranged in the inner box 7, the common pipe 1 and the outer box 2 are of hollow structures, the lower end of the common pipe 1 penetrates through an upper wall plate of the outer box 2 to be communicated with the interior of the outer box 2 and detachably connected with the outer box 2, the outer box 2 is divided into an upper cavity 6 and a lower cavity 7, the upper cavity 6 and the lower cavity 7 are separated by the partition plate 4, the inner box 3 is of a hollow structure, the inner box 3 is detachably communicated with the partition plate 4 through the circular vent pipe 5, the lower wall plate of the outer box 2 and an upper wall plate of the inner box 3 are respectively provided with N circular through holes 28, the outer air pressure enters the lower cavity 7 through the lower circular through holes 28 of the outer box 2, and then enters the inner box 3 through the circular through the upper wall plate 3 to be used as the air pressure sensor 6 when the air pressure enters the common cavity 6, and finally the air pressure enters the common cavity 6 through the upper cavity 6, and the air pressure sensor is measured.
The lower end of the public pipe 1 is provided with a circle of first turning angles 8, and the vertical section of each first turning angle 8 is in the shape of an inverted isosceles trapezoid and is used for being clamped with the outer box body 2.
The outer wall that public pipe 1 lower extreme is close to first turn over angle 8 departments is equipped with the external screw thread, the junction of outer box 2, public pipe 1 is equipped with first fastener 9, first fastener 9 is equipped with the internal screw thread, public pipe 1 cup joints and the screw thread lockwork with first fastener 9, the lower extreme of first fastener 9 is equipped with round and turns over L type angle 10 that turns over outward for strengthen the body intensity of first fastener 9.
The utility model discloses a high-pressure water heater is characterized in that a first turning angle 8 at the lower end of a public pipe 1 is provided with a first annular sealing ring 11 which is attached to the first turning angle 8, the first turning angle 8 and the first annular sealing ring 11 are both arranged inside an outer box body 2, a first fastening piece 9 is arranged at the lower end of the public pipe 1 through a spiral thread knob, and the lower surface of an L-shaped angle 10 of the first fastening piece 9 is sequentially attached to an upper wall plate of the outer box body 2, the first annular sealing ring 11 and the first turning angle 8.
The left and right sides of upper chamber 6 lower extreme all is equipped with the second L type right angle turn-ups 12 of turning over outwards, the lower extreme of second L type right angle turn-ups 12 is equipped with second bar sealing plate 13, the upper surface of second bar sealing plate 13 is laminated with the lower surface of second L type right angle turn-ups 12 mutually, the left and right sides of lower chamber 7 upper end all is equipped with the third L type right angle turn-ups 14 of turning over outwards, the lower extreme of third L type right angle turn-ups 14 is equipped with L type fixed angle iron 15, the bending direction of L type fixed angle iron 15 and third L type right angle turn-ups 14 is the same, the surface of L type fixed angle iron 15 is laminated with the lower surface of third L type right angle turn-ups 14 mutually, the both ends of baffle 4 all are equipped with the fourth right angle turn-ups 16 of inwards turning over twice, the interior angle of fourth right angle turn-ups 16 and the upper angle iron matching joint of third L type right angle turn-ups 14, L type fixed angle iron 15, the one end of bolt 17 passes second L type turn-ups 12, second L type right angle turn-ups 13, fourth bar sealing plate 16, the right angle iron matching joint of third L type right angle iron 15 in proper order, the other end of bolt 17 is in order, the realization right angle iron turn-ups 15 is dismantled with this other end of the baffle 2, and the fourth bar square flange 14 is connected with the square nut of this other end, and the fourth L type right angle turn down.
The upper end of the circular vent pipe 5 is provided with a circle of fifth turning angle 19 which turns outwards, the vertical section of the upper end of the fifth turning angle 19 is isosceles trapezoid, the lower end of the fifth turning angle 19 is provided with a circle of third annular sealing ring 20 which is attached to the fifth turning angle, the joint of the circular vent pipe 5 and the partition plate 4 and the inner box body 3 is provided with a second fastening member 21, the outer surface of the circular vent pipe 5 is provided with a circle of external threads, the second fastening member 21 is provided with internal threads for the inner wall, the circular vent pipe 5 is sleeved with the second fastening member 21 and is in threaded locking connection, the upper end and the lower end of the second fastening member 21 are respectively provided with an angle piece which turns outwards, the lower end of the second fastening member 21 is connected with a third fastening member 22, the third fastening member 22 is a hollow annular fastening member with internal threads for the inner wall, the upper surface of the third fastening member 22 is matched with the lower surface of the second fastening member 21, the upper end of the second fastening member 21 is sequentially attached to the partition plate 4, the third annular sealing ring 20 and the fifth turning angle 19, and the upper end of the circular vent pipe 21 are sequentially attached to the circular vent pipe 3 through the internal threads of the upper end and the third fastening member 21, and the lower end of the third fastening member 21 is sequentially attached to the circular vent pipe 5 through the upper end and the third fastening member 23.
The inner box body 3 comprises a cover plate 23 and a concave bottom groove 24, the cover plate 23 is provided with a circle of sixth turnup angle 25 which is turned upwards twice, the upper end of the concave bottom groove 24 is provided with a circle of seventh triangle turnup 26 which is turned inwards twice, the concave bottom groove 24 is formed integrally, and the seventh triangle turnup 26 is matched and clamped with the sixth turnup angle 25.
The lower wall plate of the outer box body 2 is provided with 2-4 rows of air inlets, each row of air inlets is provided with N circular through holes 28, the cover plate 23 of the inner box body 3 is provided with 2-4 rows of air inlets, and each row of air inlets is provided with N circular through holes 28.
A circle of sound-absorbing cotton 27 is arranged on the inner wall plate of the lower cavity 7 and is used for reducing air flow fluctuation in the box body.
The outer box body 2, the inner box body 3 and the partition plate 4 are made of iron sheets, and the central lines of the common pipe 1, the outer box body 2, the inner box body 3 and the circular vent pipe 5 are all on the same straight line.
The invention provides a stabilizing device for measuring the air pressure of a common point, which comprises a common pipe 1, an outer box 2, an inner box 3, a partition board 4 and a circular ventilation pipe 5, wherein the common pipe 1 and the outer box 2 are of hollow structures, the lower end of the common pipe 1 passes through an upper wall plate of the outer box 2 to be communicated with the interior of the outer box 2 and detachably connected with the outer box 2, the outer box 2 is divided into an upper cavity 6 and a lower cavity 7, the upper cavity 6 and the lower cavity 7 are separated by the partition board 4, the inner box 3 is arranged in the lower cavity 7 of the outer box 2 and is of a hollow structure, the inner box 3 is detachably communicated with the partition board 4 by the circular ventilation pipe 5, N circular through holes 28 are respectively formed in the lower wall plate of the outer box 2 and the upper wall plate of the inner box 3, the outer atmospheric pressure enters the lower cavity 7 through the circular through the lower wall plate 28 of the outer box 2, the air pressure is measured by the inner wall plate 3, and finally, the air pressure value of the common air pressure is measured by the inner box 3, and the air pressure value of the common point is measured by the air pressure sensor, and the air pressure value of the common point is reduced, and the air pressure value of the common point is measured by the inner cavity 6.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. A stabilizing device for measuring common point air pressure comprises a public pipe (1), an outer box body (2), an inner box body (3), a partition plate (4) and a circular vent pipe (5), and is characterized in that the public pipe (1) and the outer box body (2) are of hollow structures, the lower end of the public pipe (1) penetrates through an upper wall plate of the outer box body (2) to be communicated with the inner part of the outer box body (2) and detachably connected with the outer box body (2), the outer box body (2) is divided into an upper cavity body (6) and a lower cavity body (7), the upper cavity body (6) and the lower cavity body (7) are separated by the partition plate (4), the inner box body (3) is arranged in the lower cavity body (7) of the outer box body (2) and is of a hollow structure, the inner box body (3) is detachably communicated with the partition plate (4) through the circular vent pipe (5), the lower wall plate of the outer box body (2) and the upper wall plate (3) are detachably connected with the inner box body (3) through the upper wall plate (28) and finally enter the circular vent pipe (28) through the upper cavity body (3) and the lower wall plate (28) through the circular vent pipe (3), when the pressure of the common point needs to be measured, one end of the N pressure sensors of the measuring chamber enters the upper cavity (6) through the common pipe (1), and the atmospheric pressure value of the upper cavity (6) is measured and used as the atmospheric pressure value of the common point.
2. The stabilizing device for measuring the air pressure of the common point according to claim 1, wherein a circle of first turning angles (8) are arranged at the lower end of the common pipe (1), and the vertical section of each first turning angle (8) is in a reverse isosceles trapezoid shape and is used for being clamped with the outer box body (2).
3. The stabilizing device for measuring the common point air pressure according to claim 1, wherein the outer wall of the lower end of the public pipe (1) close to the first turning angle (8) is provided with external threads, the joint of the outer box body (2) and the public pipe (1) is provided with a first fastening piece (9), the first fastening piece (9) is provided with internal threads, the public pipe (1) is sleeved with the first fastening piece (9) and is in threaded locking connection, and the lower end of the first fastening piece (9) is provided with a circle of outwards turned L-shaped angle (10) for reinforcing the body strength of the first fastening piece (9).
4. The stabilizing device for measuring the common point air pressure according to claim 2, wherein a first annular sealing ring (11) which is attached to the first folding angle (8) is arranged on the first folding angle (8) at the lower end of the common pipe (1), the first folding angle (8) and the first annular sealing ring (11) are both arranged inside the outer box body (2), the first fastening piece (9) is twisted at the lower end of the common pipe (1) through a spiral thread, and the lower surface of the L-shaped angle (10) of the first fastening piece (9) is tightly attached to the upper wall plate of the outer box body (2), the first annular sealing ring (11) and the first folding angle (8) in sequence.
5. The stabilizing device for measuring the common point air pressure according to claim 1, wherein the left side and the right side of the lower end of the upper cavity (6) are respectively provided with a second L-shaped right-angle flange (12) which is turned outwards, the lower end of the second L-shaped right-angle flange (12) is provided with a second strip-shaped sealing piece (13), the upper surface of the second strip-shaped sealing piece (13) is attached to the lower surface of the second L-shaped right-angle flange (12), the left side and the right side of the upper end of the lower cavity (7) are respectively provided with a third L-shaped right-angle flange (14) which is turned outwards, the lower end of the third L-shaped right-angle flange (14) is provided with an L-shaped fixed angle iron (15), the outer surface of the L-shaped fixed angle iron (15) is attached to the lower surface of the third L-shaped right-angle flange (14), the two ends of the partition plate (4) are respectively provided with a fourth flange (16) which is turned inwards, the fourth L-shaped right-angle flange (16), the fourth L-angle flange (16) and the third L-shaped right-angle flange (14) are sequentially connected with the second L-shaped right-angle flange (14) in turn, the right-angle flange (14) and the right-angle flange (14) which are sequentially penetrates through the upper right-angle flange (13) of the third L-shaped right-angle flange (14), and then a nut (18) is screwed on the other end of the bolt (17) so as to realize the detachable connection of the outer box body (2) and the partition plate (4).
6. The stabilizing device for measuring the common point air pressure according to claim 1, wherein a circle of outward turnup angle (19) is arranged at the upper end of the circular vent pipe (5), the vertical section of the upper end of the fifth turnup angle (19) is isosceles trapezoid, a circle of third annular sealing ring (20) which is attached to the fifth turnup angle (19) is arranged at the lower end of the fifth turnup angle, a second fastening piece (21) is arranged at the joint of the circular vent pipe (5) and the partition plate (4) and the inner box body (3), a circle of external threads is arranged on the outer surface of the circular vent pipe (5), the second fastening piece (21) is internally provided with internal threads, the circular vent pipe (5) is sleeved and connected with the second fastening piece (21) in a threaded locking manner, the upper end and the lower end of the second fastening piece (21) are both provided with outward turnup angle pieces, the lower end of the second fastening piece (21) is connected with a third fastening piece (22), the third fastening piece (22) is hollow annular fastening piece with the inner wall, the third fastening piece (22) is externally threaded, the upper surface of the third fastening piece (22) is attached to the third fastening piece (21) which is attached to the upper end of the third fastening piece (20) in sequence through the round turnup angle (4), the upper ends of the third fastening pieces (22) are sequentially clung to the cover plate (23) of the inner box body (3) and the lower ends of the second fastening pieces (21), and are locked on the circular vent pipe (5) through threads.
7. The stabilizing device for measuring the common point air pressure according to claim 6, wherein the inner box body (3) comprises a cover plate (23) and a concave bottom groove (24), the cover plate (23) is provided with a circle of sixth turnup angle (25) which is turned upwards twice, the upper end of the concave bottom groove (24) is provided with a circle of seventh triangular turnup angle (26) which is turned inwards twice, the concave bottom groove (24) is integrally formed, and the seventh triangular turnup angle (26) is matched and clamped with the sixth turnup angle (25).
8. The stabilizing device for measuring the air pressure at the common point according to claim 7, wherein 2-4 rows of air inlets are formed in the lower wall plate of the outer box body (2), N circular through holes (28) are formed in each row of air inlets, 2-4 rows of air inlets are formed in the cover plate (23), and N circular through holes (28) are formed in each row of air inlets.
9. A stabilizer for measuring the air pressure at a common point as set forth in claim 1, wherein a ring of sound absorbing cotton (27) is provided on the inner wall plate of the lower chamber (7) for reducing the air flow fluctuation in the case.
10. The stabilizing device for measuring the common point air pressure according to claim 1, wherein the outer box body (2), the inner box body (3) and the partition plate (4) are made of iron sheets, and the central lines of the public pipe (1), the outer box body (2), the inner box body (3) and the circular vent pipe (5) are all on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410412142.2A CN118190236B (en) | 2024-04-08 | 2024-04-08 | Stabilizing device for measuring air pressure at common point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410412142.2A CN118190236B (en) | 2024-04-08 | 2024-04-08 | Stabilizing device for measuring air pressure at common point |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118190236A CN118190236A (en) | 2024-06-14 |
| CN118190236B true CN118190236B (en) | 2024-12-06 |
Family
ID=91413527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410412142.2A Active CN118190236B (en) | 2024-04-08 | 2024-04-08 | Stabilizing device for measuring air pressure at common point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118190236B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207379662U (en) * | 2017-10-26 | 2018-05-18 | 江苏核电有限公司 | A kind of atmospheric pressure pressure obtaning device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3317706A1 (en) * | 1983-05-16 | 1984-11-22 | Nord-Micro Elektronik Feinmechanik AG, 6000 Frankfurt | CYLINDRICAL HOLLOW BODY FOR MEASURING TRANSDUCERS FOR MEASURING THE PRESSURE OF A FLUID |
| CN101421602B (en) * | 2006-04-19 | 2011-02-09 | 旭化成可乐丽医疗株式会社 | Pressure sensor for extracorporeal circulating circuit |
| CN203870088U (en) * | 2014-06-03 | 2014-10-08 | 杨胜涛 | Detecting device for air substance content in forests |
| CN109590031B (en) * | 2018-12-25 | 2021-02-02 | 重庆大学 | Ultra high uniformity high temperature box |
| CN209673289U (en) * | 2019-05-30 | 2019-11-22 | 无锡胜脉电子有限公司 | Micropressure sensor researches and develops experiment constant temperature and pressure disturbance rejection cabinet |
| JP2023118052A (en) * | 2022-02-14 | 2023-08-24 | ローム株式会社 | Semiconductor device and sensor module |
| CN116870972A (en) * | 2023-07-11 | 2023-10-13 | 苏州正合测试设备有限公司 | A high-temperature test chamber with controllable oxygen concentration |
-
2024
- 2024-04-08 CN CN202410412142.2A patent/CN118190236B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207379662U (en) * | 2017-10-26 | 2018-05-18 | 江苏核电有限公司 | A kind of atmospheric pressure pressure obtaning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118190236A (en) | 2024-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10451461B2 (en) | Venturi air flow sensor and control system | |
| CN118190236B (en) | Stabilizing device for measuring air pressure at common point | |
| CN206131361U (en) | A but, telescopic air pipe for air conditioner installation | |
| JPH075001A (en) | Structure of air flow rate sensor | |
| US5369990A (en) | Remote mount air flow sensor | |
| WO2023241091A1 (en) | Fresh-air pipe structure and fresh-air air conditioner | |
| CN203585695U (en) | Wind pipe assembly and pressure measuring device thereof | |
| CN208919109U (en) | A kind of shaft coupling being applicable in more specification axis | |
| CN206647397U (en) | A kind of fastener | |
| WO2019100215A1 (en) | Compressor assembly, air conditioner outdoor unit, and air conditioning system | |
| TWI577945B (en) | Air-exchanging device | |
| CN211716622U (en) | Kitchen range mounting structure | |
| CN211739300U (en) | A valve plate mounting part and an air conditioner | |
| CN222363075U (en) | Mounting tube for air flowmeter, engine air inlet pipeline and automobile | |
| WO2018171021A1 (en) | Pressure detection device | |
| CN209165780U (en) | Water heater outdoor unit and water heater | |
| CN207162749U (en) | Multiple branch circuit, low water drag fan coil collecting head | |
| CN222363074U (en) | Air flow meter mounting pipe, engine intake pipe and automobile | |
| CN112555496A (en) | Needle-shaped stop valve for special gas | |
| CN218130919U (en) | Modular end cover for adsorption device, adsorption unit and adsorption device | |
| CN217874134U (en) | Energy-saving composite material pressure tank with built-in air bag | |
| CN208650176U (en) | A kind of faucet installing structure | |
| CN216778272U (en) | Filter auxiliary fixing mechanism of static pressure box | |
| CN201521734U (en) | Common plate flange duct joint structure | |
| JPS5939609Y2 (en) | portable air flow meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |