CN206890811U - A kind of electromagnetic heating type water heater and its electrical heat exchanger - Google Patents

Abstract

The utility model provides an electromagnetic heating water heater and an electric heat exchanger thereof. The electromagnetic exchanger comprises a water inlet pipe, a heating device and a control system; an electromagnetic coil of the heating device, an insulating pipe and a heating pipe, and the electromagnetic coil is wound on the outer wall of the insulating pipe to heat The tube is located in the insulating tube, the first channel is formed between the outer wall of the heating tube and the inner wall of the insulating tube, the water inlet pipe communicates with the first channel, and there is a second channel inside the heating tube, and the first channel is away from the interface between the water inlet tube and the heating device It communicates with the second channel; both ends of the heating device are connected with a water blocking device, the water inlet pipe is connected with a first temperature control head, and the first temperature control head is electrically connected with the control system. The electromagnetic heating water heater and its electric heat exchanger adopted in the technical scheme of the utility model realize electromagnetic heating separated from water and electricity, have high safety performance and can prolong its service life; water can be heated twice in the first channel and the second channel, and the heating efficiency is high , to achieve energy saving; realize the intelligent control of the entire device, to ensure the safety of users and facilitate the use of users.

Description

An electromagnetic heating water heater and its electric heat exchanger

technical field

The utility model relates to the field of electric heat exchangers, in particular to an electromagnetic heating water heater and an electric heat exchanger thereof.

Background technique

Traditional heat exchangers are mainly gas-fired and resistance-heated. The gas-fired heat exchanger uses gas to generate heat to heat the water tank. The thermal efficiency is low, the heating time is long, and it is easy to cause serious accidents such as gas poisoning or fire. The resistance heating heat exchanger directly contacts the heating resistance with water, the electricity and water are not separated, the safety performance is not high, and it is easy to cause electric shock accidents, and the resistance heating device is easy to corrode and aging, and the service life is short; in addition, the existing heat exchanger is intelligent The temperature is not high enough, the user is not convenient enough to use, and there is no corresponding protection measure when the temperature of the water body is abnormal.

Contents of the invention

The purpose of this utility model is to provide an electromagnetic heating water heater and its electric heat exchanger. The electric heat exchanger realizes electromagnetic heating by separating water and electricity, has high safety performance and can prolong its service life; water can be heated in the first channel and the second channel Two times of heating, high heating efficiency, energy saving; intelligent control of the entire device, ensuring user safety and convenient use by users.

Based on this, the utility model proposes an electromagnetic heating water heater and its electric heat exchanger, comprising a water inlet pipe, a heating device and a control system, the water inlet pipe is connected with the heating device; the heating device includes an electromagnetic coil, an insulating tube and a heating pipe, the electromagnetic coil is wound on the outer wall of the insulating pipe, the heating pipe is located in the insulating pipe, a first passage is formed between the outer wall of the heating pipe and the inner wall of the insulating pipe, and the water inlet pipe Close to the end of the insulating pipe and communicate with the first channel, the inside of the heating tube is provided with a second channel, and the first channel is far away from the interface between the water inlet pipe and the heating device. The two channels are connected; both ends of the heating device are connected with a water blocking device, and the water inlet pipe is connected with a first temperature control head, and the first temperature control head is electrically connected with the control system.

Optionally, end caps are connected to both ends of the heating device, a plug is connected to the end of the insulating tube away from the first temperature control head, and the first temperature control head is close to the water inlet pipe and the The interface of the heating device is provided, the end of the insulating pipe close to the first temperature control head is connected to a joint connected to the second channel, and one end of the joint is connected to a water outlet pipe, and the end cover and plug and joints constitute the water blocking device.

Optionally, the water outlet pipe is connected with a second temperature control head, and the second temperature control head is electrically connected with the control system.

Optionally, the heating tube is provided with a plurality of small holes away from the first temperature control head, and the first channel communicates with the second channel through the small holes.

Further, the heating tube is a circular metal tube, and the outer wall of the heating tube is provided with spiral ribs.

Further, a sealing ring is provided at the connection between the insulating tube and the joint.

In order to achieve the same purpose, the utility model also provides an electromagnetic heating water heater, including the above-mentioned electric heat exchanger.

Optionally, a heat dissipation device is also included, the heat dissipation device is connected with the heating element of the water heater, and the heat dissipation device is connected with the outer wall of the water inlet pipe.

Further, the heating element is a control circuit board of a water heater.

Further, the water inlet pipe is connected with a water flow switch, and the water flow switch is electrically connected with the control system.

Implementation of the utility model embodiment has the following beneficial effects:

1. The electromagnetic coil of the electric heat exchanger is wound on the outer wall of the insulating tube, and the heating tube is located in the insulating tube. The alternating magnetic field makes the heating tube generate an induced current, causing the heating tube to generate heat, thereby heating the water in the first channel, and realizing the separation of water and electricity Electromagnetic heating, which makes the electromagnetic coil and heating tube not easy to damage, improves safety performance and prolongs its service life; while water flows through the first channel and enters the second channel inside the heating tube to achieve secondary heating, thereby improving heating efficiency and saving energy. energy.

2. The electric heat exchanger contains a control system, which realizes intelligent operation and is convenient for users to use. The water inlet pipe and the water outlet pipe are respectively connected with the first temperature control head and the second temperature control head. The first temperature control head and the second temperature control head are connected with the control Under the joint action of the system, the user's safety is ensured and the electric heat exchanger is protected to prolong its service life.

3. The outer wall of the heating pipe is provided with spiral ribs, so that the water can rise along the spiral ribs in the first channel, making the heating time longer, thereby further heating the water body and improving the heating efficiency.

4. The cooling device is connected to the outer wall of the water inlet pipe. Before the water flows from the water inlet pipe to the heating device, the water absorbs the heat of the control circuit board and preheats the water, thereby further fully utilizing the energy and realizing further energy saving; The excess heat of the control circuit board of the water heater can reduce the temperature of the control circuit board, thereby protecting the control circuit board and prolonging its service life.

5. The water inlet pipe is connected with a water flow switch, and the water flow switch is electrically connected with the control system, so as to realize the intelligent control of the on-off of the water flow.

Description of drawings

Fig. 1 is a structural schematic diagram of an electromagnetic heating water heater and its electric heat exchanger according to an embodiment of the present invention.

Fig. 2 is a sectional view of the heating device according to the embodiment of the present invention.

In the figure: 1-water inlet pipe, 2-heating device, 3-control system, 4-first channel, 5-second channel, 6-first temperature control head, 7-end cover, 8-plug, 9- Joint, 10-outlet pipe, 11-second temperature control head, 12-small hole, 13-spiral rib, 14-sealing ring, 15-radiating device, 16-heating element, 17-water flow switch; 2a-electromagnetic Coil, 2b-insulating tube, 2c-heating tube.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 1 and Figure 2, the electric heat exchanger provided in this embodiment includes a water inlet pipe 1, a heating device 2 and a control system 3, the water inlet pipe 1 is connected to the heating device 2, and the control system 3 can realize intelligent control of the entire device The heating device 2 includes an electromagnetic coil 2a, an insulating tube 2b and a heating tube 2c. The electromagnetic coil 2a is wound on the outer wall of the insulating tube 2b. After the electromagnetic coil 2a is energized, an alternating magnetic field is generated on the outer wall of the insulating tube 2b. The heating tube 2c is located in the insulating tube 2b. , the alternating magnetic field causes the heating tube 2c to generate an induced current, causing the heating tube 2c to generate heat, thereby realizing heating. A first channel 4 is formed between the outer wall of the heating tube 2c and the inner wall of the insulating tube 2b, and the water inlet tube 1 is close to the end of the insulating tube 2b It should be pointed out that in this embodiment, the water inlet pipe 1 is located at the lower end of the insulating pipe 2b, so that the water body flows through the first passage 4 from bottom to top, so that the heating time becomes longer and the heating efficiency is improved. , and it is also possible for the water body to flow from top to bottom, but this embodiment is the optimal solution. When water enters from the water inlet pipe 1, it can reach the first channel 4 and be heated, realizing the separation of water and electricity for heating, so that the electromagnetic coil 2a and the heating pipe 2c are not easily damaged, improving safety performance and prolonging their service life. There is a second channel 5, and the first channel 4 communicates with the second channel 5 at the interface far from the water inlet pipe 1 and the heating device 2; The second heating, and then realize the second heating, improve the heating efficiency and save energy, the two ends of the heating device 2 are connected with a water blocking device, the water inlet pipe 1 is connected with the first temperature control head 6, and the first temperature control head 6 is connected with the control system 3. Electric connection, the first temperature control head 6 is to automatically sample and monitor the measured temperature through the temperature sensor, and can be intelligently started according to needs. When the temperature rises to the set over-limit alarm temperature point, the over-limit will be activated Alarm function. When the controlled temperature cannot be effectively controlled, in order to prevent the electric heat exchanger from being damaged, the first temperature control head 6 promptly feeds back to the control system 3 to control and cut off the circuit to ensure the safety of users and protect the electric heat exchanger to prolong its service life.

Based on the above technical scheme, the electromagnetic coil 2a of the electric heat exchanger is wound on the outer wall of the insulating tube 2b. After the electromagnetic coil 2a is energized, an alternating magnetic field is generated on the outer wall of the insulating tube 2b. The heating tube 2c is located in the insulating tube 2b. The alternating magnetic field makes the heating tube 2c generates an induced current, causing the heating tube 2c to generate heat, thereby heating the water located in the first channel 4, realizing the electromagnetic heating of the separation of water and electricity, thereby making the electromagnetic coil 2a and the heating tube 2c not easily damaged, improving safety performance and prolonging their service life ; and the water flows through the first channel 4 and then enters the second channel 5 inside the heating tube 2c to achieve secondary heating, thereby improving heating efficiency and saving energy. The water inlet pipe 1 is connected with a first temperature control head 6, and the first temperature control head 6 is electrically connected with the control system 3. When the temperature rises to the set over-limit alarm temperature point, the over-limit alarm function is activated. When the controlled temperature cannot be effectively controlled, in order to prevent the electric heat exchanger from being damaged, the first temperature control head 6 promptly feeds back to the control system 3 to control and cut off the circuit to ensure the safety of users and protect the electric heat exchanger to prolong its service life.

Both ends of the heating device 2 in this embodiment are connected with end caps 7, and the end of the insulating tube 2b away from the first temperature control head 6 is connected with a plug 8, so that the water will not flow out after being heated by the first channel 4, and enter the second channel. The second channel 5 realizes secondary heating. The first temperature control head 6 is set close to the interface between the water inlet pipe 1 and the heating device 2. The end of the insulating tube 2b close to the first temperature control head 6 is connected with a joint connected to the second channel 5. 9. One end of the joint 9 is connected with a water outlet pipe 10. After the secondary heating, the water flows out along the water outlet pipe 10 for the user. Secondary heating is realized in the middle, and it is not easy to produce leakage, which makes the device more stable. The outlet pipe 10 is connected with a second temperature control head 11, and the second temperature control head 11 is electrically connected with the control system 3, and when the temperature is higher than the set limit alarm temperature point, the over limit alarm function is activated. When the controlled temperature cannot be effectively controlled, in order to prevent the electric heat exchanger from being damaged, the second temperature control head 11 promptly feeds back to the control system 3 to control and cut off the circuit, and the second temperature control head 11 plays a corresponding role of safety protection.

Further, the heating tube 2c is provided with a plurality of small holes 12 away from the first temperature control head 6 , and the first channel 4 and the second channel 5 are communicated through the small holes 12 . Thus, after the water is heated in the first passage 4, it enters the second passage 5 through the small hole 12 to be heated again, thereby realizing secondary heating. The small hole 12 is far away from the first temperature control head 6, such a structure can make the second channel 5 longer, so that the time for two heatings becomes longer, which improves the heating efficiency and saves energy.

In this embodiment, the heating tube 2c is a metal round tube, which can increase the heating area and save materials, and the metal material can realize electromagnetic heating. The outer wall of the heating tube 2c is provided with spiral ribs 13, so that the water can The first channel 4 rises along the spiral rib 13, so that the heating time becomes longer, thereby further heating the water body and improving the heating efficiency. In order to improve the tightness of the electric heat exchanger in this embodiment, a sealing ring 14 is provided at the joint between the insulating tube 2 b and the joint 9 , so as to increase the tightness and effectively improve its stability.

As shown in Figure 1 and Figure 2, this embodiment also provides an electromagnetic heating water heater, which includes the above-mentioned electric heat exchanger, realizes electromagnetic heating by separating water and electricity, has high safety performance and can prolong its service life; and the water It can be heated twice in the first channel 4 and the second channel 5, with high heating efficiency and energy saving. It should be pointed out that for the convenience of observing the internal structure, the shell is not shown in the figure, and the shell can realize the installation of the whole device on its internal.

Further, the electromagnetic heating water heater of this embodiment also includes a cooling device 15, the cooling device 15 is connected to the heating element 16 of the water heater, the cooling device 15 is connected to the outer wall of the water inlet pipe 1, and before the water flows from the water inlet pipe 1 to the heating device 2, The heat dissipated by the heating element 16 of the water heater is absorbed to preheat the water, thereby making full use of energy and realizing further energy saving. Specifically, the heating element 16 is the control circuit board of the water heater. The control circuit board of the smart appliance will generate heat when it is working, and its excess heat can be recycled to save energy and reduce the temperature of the control circuit board, thereby protecting the control circuit board. Extended its service life. In addition, the water inlet pipe 1 is connected with a water flow switch 17, and the water flow switch 17 is electrically connected with the control system 3, so as to realize the intelligent control of on-off of the water flow.

Using the electromagnetic heating water heater and its electric heat exchanger according to the embodiment of the utility model, the electromagnetic coil 2a of the electric heat exchanger is wound on the outer wall of the insulating tube 2b, the heating tube 2c is located in the insulating tube 2b, and the alternating magnetic field causes the heating tube 2c to generate an induced current , causing the heating tube 2c to generate heat, thereby heating the water located in the first channel 4, realizing the electromagnetic heating of the separation of water and electricity, thereby making the electromagnetic coil 2a and the heating tube 2c not easily damaged, improving safety performance and prolonging their service life; while water flows through The first passage 4 enters the second passage 5 inside the heating tube 2c to realize secondary heating, thereby improving heating efficiency and saving energy. The electric heat exchanger contains a control system 3, which realizes intelligent operation and is convenient for users to use. The water inlet pipe 1 and the water outlet pipe 10 are respectively connected with the first temperature control head 6 and the second temperature control head 11, the first temperature control head 6 and the second temperature control head Under the combined action of the control head 11 and the control system 3, the user's safety is ensured and the electric heat exchanger is protected to prolong its service life. The outer wall of the heating pipe 2c is provided with spiral ribs 13, so that the water can rise along the spiral ribs 13 in the first channel 4, so that the heating time becomes longer, thereby further heating the water body and improving the heating efficiency. The cooling device 15 is connected to the outer wall of the water inlet pipe 1. Before the water flows from the water inlet pipe 1 to the heating device 2, the water absorbs the heat of the control circuit board and preheats the water, thereby further fully utilizing the energy and realizing further energy saving; The excess heat of the control circuit board of the water heater can be recycled, and the temperature of the control circuit board can be lowered, thereby protecting the control circuit board and prolonging its service life. The water inlet pipe 1 is connected with a water flow switch 17, and the water flow switch 17 is electrically connected with the control system 3, so as to realize the intelligent control of the on-off of the water flow.

The above description is only the preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and replacements can also be made. And replacement should also be regarded as the protection scope of the present utility model.

Claims (10)

1. A kind of 1. electrical heat exchanger, it is characterised in that：Including water inlet pipe, heater and control system, the water inlet pipe and institute State heater connection；The heater includes magnet coil, insulation tube and heating tube, and the magnet coil is wound in described Insulate pipe outer wall, and the heating tube is located in the insulation tube, between the inwall of the outer wall of the heating tube and the insulation tube First passage is formed, the water inlet pipe connects close to the insulation tube end with the first passage, inside the heating tube Provided with second channel, the first passage is away from interface of the water inlet pipe with the heater and the second channel It is connected；The heater both ends are connected with water blocking device, and the water inlet pipe is connected with the first temperature control head, first temperature control Head electrically connects with the control system.
2. 2. electrical heat exchanger according to claim 1, it is characterised in that：The heater both ends are connected with end cap, institute State the first temperature control head to set close to the interface of the water inlet pipe and the heater, the insulation tube is away from described first One end of temperature control head is connected with plug, and the insulation tube is connected with close to one end of the first temperature control head to be connected with the second channel Joint, one end of the joint is connected with outlet pipe, and the end cap, plug and joint form the water blocking device.
3. 3. electrical heat exchanger according to claim 2, it is characterised in that：The outlet pipe is connected with the second temperature control head, institute The second temperature control head is stated to electrically connect with the control system.
4. 4. electrical heat exchanger according to claim 2, it is characterised in that：The heating tube away from first temperature control head at Provided with multiple apertures, the first passage is connected with the second channel by the aperture.
5. 5. electrical heat exchanger according to claim 1, it is characterised in that：The heating tube is round metal tube, described to add The outer wall of heat pipe is provided with helical form convex tendon.
6. 6. electrical heat exchanger according to claim 2, it is characterised in that：The junction of the insulation tube and the joint is set There is sealing ring.
7. A kind of 7. electromagnetic heating type water heater, it is characterised in that：Including the electrical heat exchanger as described in claim any one of 1-6.
8. 8. electromagnetic heating type water heater according to claim 7, it is characterised in that：Also include heat abstractor, the radiating dress Put and be connected with the heater element of water heater, the heat abstractor is connected with the water inlet pipe outer wall.
9. 9. electromagnetic heating type water heater according to claim 8, it is characterised in that：The heater element is the control of water heater Circuit board.
10. 10. electromagnetic heating type water heater according to claim 7, it is characterised in that：The water inlet pipe is connected with water flow switch, The water flow switch electrically connects with the control system.