WO2018120251A1

WO2018120251A1 - System for monitoring land greenhouse

Info

Publication number: WO2018120251A1
Application number: PCT/CN2017/000004
Authority: WO
Inventors: 欧志洪
Original assignee: 欧志洪
Priority date: 2017-01-02
Filing date: 2017-01-02
Publication date: 2018-07-05

Abstract

A system for monitoring a land greenhouse environment, comprising a CPU, a communication device in a signal connection with the CPU, a moisture detector, and a light detector. The moisture detector is used for detecting the moisture in a greenhouse. The communication device comprises a communication antenna. Easy care and maintenance of greenhouse vegetables are implemented by means of simple system settings.

Description

Name of the invention: a land greenhouse monitoring system

Technical field

[0001] The present invention relates to a land greenhouse monitoring system.

Background technique

[0002] The cultivation of greenhouse vegetables requires careful care and care. Therefore, labor costs are often high. If there is a system that can realize automatic monitoring, it is very convenient to solve the problem of farmers' greenhouse cultivation.

technical problem

Problem solution

Technical solution

[0003] The object of the present invention is to overcome the above disadvantages and provide a land greenhouse monitoring system.

[0004] In order to achieve the above object, the specific solution of the present invention is as follows: A land greenhouse monitoring system, comprising a CP U and a communication device for communication with a CPU signal; and a humidity detector connected to the CPU signal The humidity detector is configured to detect humidity in the greenhouse; and further includes a light detector connected to the CPU signal; the communication device includes a communication antenna;

[0005] The communication antenna includes a dielectric plate, and the dielectric plate is provided with four centrally symmetric vibrator units, each vibrator unit includes a semicircular base arm, and the base arm extends upward to have a first extension. An arm, a first extending arm extending upwardly has a second extending arm, and a top of the second extending arm is provided with a rectangular groove; the base arm and the first extending arm are connected to a side of the middle of the dielectric plate to have a first a connecting arm, the first connecting arm extends obliquely upwardly with a first arm, and a free end of the first arm extends downwardly with a first vertical arm, and a free end of the first vertical arm extends toward a side of the base arm a first connecting strip, the first connecting strip extends to a side of the base arm and has a rectangular first engaging arm; the base arm and the first extending arm are connected to a side away from the middle of the dielectric plate to have a second connection The second connecting arm extends obliquely upwardly with a second arm, the free end of the second arm extends laterally with a horizontal radiating arm, and the free end of the horizontal radiating arm extends downwardly to have a second vertical arm, the second vertical One side of the arm extends three sides toward the side of the base arm a rectangular second engaging arm, a top side of the uppermost second engaging arm and a lower side of the lowermost second engaging arm are each provided with a semi-circular notch; and the second extending arm is arranged on both sides a row of three hexagonal hexagonal spoilers; the freedom of the second vertical arm The end is provided with a circuit rod having an opening opposite to the circular arc surface of the base arm; the first extending arm is provided with a groove on a side of the second arm, and the second arm extends to the groove to have a coupling rod.

[0006] Preferably, an artificial light source connected to the CPU signal is further included, and the artificial light source is used for performing light supplementation.

[0007] Preferably, a sprinkler device connected to the CPU signal is also included, and the sprinkler device is used for performing a water spray operation.

[0008] Preferably, there is further included a carbon dioxide releaser coupled to the CPU signal for performing carbon dioxide release for plant respiration.

[0009] Preferably, a zigzag parasitic oscillator arm is further included, and a crossbar of the parasitic oscillator arm extends downwardly with a semicircular parasitic oscillator unit.

[0010] Preferably, a carbon dioxide detector connected to the CPU signal is further included for detecting carbon dioxide concentration

[001 1] Preferably, the method further includes a temperature detector connected to the CPU signal for detecting the indoor temperature;

[0012] Preferably, a monitoring camera connected to the CPU signal is further included for monitoring the situation in the greenhouse.

Advantageous effects of the invention

Beneficial effect

[0013] Through simple system setting, easy care and maintenance of greenhouse vegetables is realized.

Brief description of the drawing

DRAWINGS

1 is a schematic diagram of the present invention;

2 is a plan view of a communication antenna of the present invention;

3 is a schematic structural view of a single vibrator unit of the present invention;

4 is a return loss test chart of the communication antenna of the present invention;

5 is a graph showing the isolation performance test of the communication antenna of the present invention;

6 is a schematic diagram of the communication antenna of the present invention at 2.4 GHz;

7 is a pattern diagram of the communication antenna of the present invention at 5.0 GHz;

[0021] The reference numerals in FIGS. 1 to 7 illustrate: cl-media plate; c2-base arm; c3-first extension arm; c31-groove; c4-second extension arm; c41-turbine hole; C42-rectangular groove; c5-first arm; c6-first vertical arm; c61 - first engaging arm; _{c7 -} second arm; c71 - coupling rod; c8 - horizontal radiating arm; c81 - second vertical arm; c82 - second engaging arm; c83 - circuit rod; c9 - parasitic arm.

Invention embodiment

Embodiments of the invention

The invention is further described in detail below with reference to the accompanying drawings and specific embodiments, which are not intended to limit the scope of the invention.

[0023] As shown in FIG. 1 to FIG. 7, a land greenhouse monitoring system according to this embodiment includes a CPU and a communication device for communicating with a CPU signal; and a humidity connected to the CPU signal. The detector is used for detecting the humidity in the greenhouse; and further comprises a light detector connected to the CPU signal; the communication device comprises a communication antenna; and the simple system setting realizes easy care and maintenance of the greenhouse vegetable.

[0024] The communication antenna includes a dielectric plate cl, and the dielectric plate cl is provided with four centrally symmetric oscillator units, each of the transducer units including a semicircular base arm c2, and the base arm c2 extends upward. There is a first extension arm c3, a first extension arm c3 extends upwardly with a second extension arm c4, and a top of the second extension arm c4 is provided with a rectangular slot c42; the base arm c2 is connected to the first extension arm c3 A first connecting arm extends from a side of the middle of the dielectric plate c1. The first connecting arm extends obliquely upwardly with a first arm c5, and the free end of the first arm c5 extends downwardly with a first vertical arm c6. a free end of the first vertical arm c6 extends from the side of the base arm c2 with a first connecting strip, and a first connecting strip extends to a side of the base arm c2 with a rectangular first engaging arm c61; the base arm c2 A second connecting arm extends from a side of the connecting portion of the first extending arm c3 away from the middle of the dielectric plate cl. The second connecting arm extends obliquely upwardly with a second arm c7, and the free end of the second arm c7 extends laterally. There is a horizontal radiating arm c8, and the horizontal end of the horizontal radiating arm c8 extends downward. a second vertical arm c81, a side of the second vertical arm c81 extending to a side close to the base arm c2 and having three rectangular second engaging arms c82, a top side and a lowermost side of the uppermost second engaging arm c82 The lower side of the second engaging arm c82 is provided with a semicircular notch; the two sides of the second extending arm c4 are provided with three hexagonal hexagonal spoilers c41 arranged in a row; The free end of the two vertical arms c81 is provided with a circuit rod C83 whose opening is opposite to the arc surface of the base arm c2; the first extension arm c3 is provided with a groove c31 to the side of the second arm c7, and the second arm C7 extends into the groove c31 and has a coupling rod C71.

[0025] The antenna structure is finally determined by not less than 1000 microstrip circuit structure design, and by not less than 1000 simulation tests and parameter adjustment; the antenna exhibits excellent performance at 2.4 GHz and 5.0 GHz. Electrical performance, an average of 9.7dBi under the bandwidth near the band;

[0026] The actual actual test results are obtained by the HFSS software simulation as follows: The test band segments are in the four frequency bands of 2.2 GHz, 2.4 GHz, 5.0 GHz and 5.2 GHz, respectively: 31.222 dB, 32.325 dB, 38.1 47 dB, 38.500dB, the corresponding gains are: 9.4001dBi, 9.5352dBi, 9.9225dBi, 9.7750d Bi; and other electrical properties have excellent results, the return loss is in the 2.4-2.48GHZ band and the 5. 15- 5.875GHz band The return loss is better than -10dB; the isolation loss in the 2.4- 2.48GHz and 5.15-5.875GHz bands is better than -18dB; it proves that the antenna itself has better performance; in addition, when applied on the back of the dielectric plate cl After the 锒 layer, its return loss and isolation show better performance. As shown in Figure 4, the return loss is better than -15dB in the 2.4-2.48GHZ band and 5.15-5.875GHZ band. As shown in Figure 5, the isolation loss in the 2.4-2.48 GHz and 5.15-5.875 GHz bands is better than -20 dB. It is worth mentioning that when the silver layer is applied to the back of other antennas, the electrical performance of the ordinary antenna is not improved or improved, so the antenna and the silver plating on the back are matched and promoted. In addition, the antenna has good directivity. As shown in Fig. 6 and Fig. 7, both of the frequency bands are omnidirectional antennas.

[0027] The communication antenna is a non-size required antenna, and the above-mentioned FIG. 3 is used as a reference direction, as long as the above-mentioned requirements are met in the manner of holes and holes provided in the bending direction; but if better stable performance is required, The specific dimensions of the antenna can be optimized as follows: The length and width of the dielectric plate cl are: 117.5 mm, 66.5 mm; the radius of the base arm c2 is: 4.7 mm; the height and width of the first extension arm c3 are: 4.8 mm, 7.45 Mm, the second extension arm c4 is 8.6 mm high and 12.8 mm wide; the depth and width of the rectangular groove c42 are: 1.3 mm and 3.2 mm, respectively; the first connecting arm and the second connecting arm are not required to be dimensional, not longer than 5 mm The first arm c5 has a line width of 2.7 mm and a single side length of 21.8 mm; the first vertical arm c6 has a line width of 2.7 mm and a single side length of 20.6 mm; the first connecting belt does not require a size requirement, It is longer than 5 mm; the first engaging arm c61 is square and has a side length of 4.2 mm; the second arm c7 has a line width of 2.7 mm and a single side length of 16.2 mm; the first arm c5 and the second arm c7 are The angle of the horizontal plane is 60 degrees. The horizontal radiation arm c8 has a line width of 2.7 mm and a length of 17 mm, a second vertical arm c81 having a line width of 2.7 mm and a length of: 14.8 mm; and a second engagement arm c82 having a line width of 2.7 mm and a length of : 9.2mm; radius of semi-circular notch is L5mm, side length of hexagonal spoiler c41 is: lm m, center distance of two adjacent hexagonal spoiler c41 is: 2.6mm; circuit rod C83 The line width is 0.5mm, the longest side is 20mm, the length of the cross arm is: 3mm; the groove c31 is not required, the coupling rod C71 has a line width of 0.5mm, the cross rod length is 2mm, and the length of the longitudinal rod is: 5mm. The above uses Figure 3 as a reference direction . Other unspecified sizes are not required.

[0028] Preferably, a parasitic vibrator arm c9 having a right-angled zigzag shape is further included, and a crossbar of the parasitic vibrator arm c9 extends downward with a semicircular parasitic oscillator unit. Increase bandwidth and reduce standing wave ratio. The total length of the parasitic oscillator arm is not wider than the width of the vibrator unit.

[0029] Preferably, an artificial light source connected to the CPU signal is further included, and the artificial light source is used for light supplementation. Preferably, a sprinkler device connected to the CPU signal is also included, and the sprinkler device is used to perform a water spray operation. Preferably, a carbon dioxide releaser coupled to the CPU signal is also included, the carbon dioxide release being used to release carbon dioxide for plant respiration.

[0030] Preferably, a carbon dioxide detector connected to the CPU signal is further included for detecting carbon dioxide concentration

; Can be monitored.

[0031] Preferably, a temperature detector connected to the CPU signal is further included for detecting the indoor temperature; and preferably, a monitoring camera connected to the CPU signal is further included for monitoring the situation in the greenhouse.

The above description is only a preferred embodiment of the present invention, and equivalent changes or modifications made to the structures, features and principles described in the scope of the present patent application are included in the protection of the present patent application. Within the scope

Claims

[Claim 1] A land greenhouse monitoring system, comprising: a CPU and a communication device for communicating with a CPU signal; and a humidity detector connected to the CPU signal, wherein the humidity detector is used Detecting the humidity in the greenhouse; further comprising a light detector connected to the CPU signal; the communication device includes a communication antenna; the communication antenna includes a dielectric plate, and the dielectric plate is provided with four centrally symmetric oscillator units. Each of the vibrator units includes a semi-circular base arm, the base arm extends upwardly with a first extension arm, the first extension arm extends upwardly with a second extension arm, and the second extension arm has a rectangular groove on the top thereof; a first connecting arm extends from a side of the base arm connecting the first extending arm to the middle of the dielectric plate, and the first connecting arm extends obliquely upwardly with a first arm extending downwardly from the free end of the first arm a first vertical arm, a free end of the first vertical arm extends from a side of the base arm with a first connecting strip, and the first connecting strip extends to a side of the base arm and has a rectangular first engaging arm a second connecting arm extends from a side of the base arm connecting the first extending arm to a middle portion away from the dielectric plate, and the second connecting arm extends obliquely upward to have a second arm extending laterally from the free end of the second arm a horizontal radiating arm, the free end of the horizontal radiating arm extends downwardly to have a second vertical arm, and one side of the second vertical arm extends to a side close to the base arm and has three rectangular second engaging arms, the uppermost a top side of the second engaging arm and a lower side of the lowermost second engaging arm are each provided with a semi-circular notch; and two sides of the second extending arm are provided with three hexagons arranged in a row a side spoiler; the free end of the second vertical arm is provided with a circuit rod having an opening opposite to the arc surface of the base arm; the first extending arm is provided with a groove toward the side of the second arm, the second side The arm extends into the groove with a coupling rod; a carbon dioxide detector connected to the CPU signal for detecting the carbon dioxide concentration; and a temperature detector connected to the CPU signal for detecting the indoor temperature.

[Claim 2] A land greenhouse monitoring system according to claim 1, further comprising: an artificial light source connected to the CPU signal, wherein the artificial light source is used for light supplementation.

[Claim 3] A land greenhouse monitoring system according to claim 1, further comprising: a sprinkler device connected to the CPU signal, wherein the sprinkler device is used for performing an ice spraying operation.

[Claim 4] A land greenhouse monitoring system according to claim 1, further comprising: There is a carbon dioxide release coupled to the CPU signal, which is used to release carbon dioxide for plant respiration.

[Claim 5] A land greenhouse monitoring system according to claim 1, further comprising: a zigzag type of parasitic vibrator arm, a crossbar of the parasitic vibrator arm extending downwardly with a semicircular parasitic Vibrator unit.