Quick defrosting equipment for air source heat pump

Abstract

The utility model relates to the technical field of air source heat pumps, and discloses an air source heat pump quick defrosting device which comprises an air source heat pump box, the top of an inner cavity of the air source heat pump box is fixedly connected with an air source heat pump body, a defrosting assembly is arranged at the bottom of the inner cavity of the air source heat pump box, and the defrosting assembly comprises a water tank. The left side of an inner cavity of the water tank communicates with a water pump, and the top of the water pump communicates with a coiled pipe. According to the air source heat pump, the defrosting assembly is arranged, defrosting operation can be conducted on the air source heat pump body, water in the water tank is heated through the heating block, and then hot water is pumped into the coiled pipe through the water pump and conducted to the air source heat pump body through the heat conduction plate for defrosting operation; according to the air source heat pump defrosting device, defrosted frost water can flow back into the water tank, cyclic utilization is achieved, meanwhile, the air source heat pump can be prevented from being eroded, the purpose of timely cleaning is achieved, and therefore use of the air source heat pump cannot be affected.

Description

Technical Field

[0001] The utility model relates to the technical field of air source heat pumps, in particular to a rapid defrosting device for air source heat pumps. Background Art

[0002] Air source heat pump is an energy-saving device that uses high-level energy to make heat flow from low-level heat source air to high-level heat source. In cold winter, air source heat pump units are usually used to heat indoors. The evaporator of the air source heat pump will frost in winter because the outdoor temperature is lower than the indoor critical temperature. If it is not defrosted in time, the frost will accumulate more and more, seriously affecting its normal operation.

[0003] For example, an air source heat pump fast defrost device provided by authorization number CN216620351U, through the arrangement of an air source heat pump box, a support block, an air source heat pump body, an evaporator, a heat conduction plate, a water tank, a water pipe, a heater, a fixed plate, a water pump, a connecting pipe and a top plate, enables this device to have the advantages of increasing the heat conduction speed and improving the defrosting speed, and recycling excess heat to reduce the defrosting cost. It can recycle the heat energy after defrosting, improve energy utilization, reduce defrosting costs, and increase the defrosting speed, solving the problems of slow heat conduction speed, poor defrosting effect, and inability to recycle energy in existing defrosting devices.

[0004] However, the existing air source heat pump rapid defrosting equipment is prone to fall into the box after melting the fallen frost water, which is easy to cause corrosion to the air source heat pump. If it is not cleaned in time, it will affect the use of the air source heat pump. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the present invention is to provide an air source heat pump fast defrosting device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air source heat pump fast defrosting device, comprising an air source heat pump box, the top of the inner cavity of the air source heat pump box is fixedly connected with an air source heat pump body, the bottom of the inner cavity of the air source heat pump box is provided with a defrosting component, the defrosting component comprises a water tank, the left side of the inner cavity of the water tank is connected with a water pump, the top of the water pump is connected with a serpentine pipe, the other end of the serpentine pipe is connected with the right side of the water tank, the bottom of the inner cavity of the water tank is provided with a heating block, and the surface of the serpentine pipe is provided with a heat conducting plate;

[0007] A reflux component is arranged on the top of the water tank, and the reflux component comprises a reflux port, and guide plates are arranged on both sides of the reflux port.

[0008] By adopting the above technical solution and setting up a defrost component, the air source heat pump body can be defrosted, wherein the water in the water tank is heated by a heating block, and then the hot water is pumped into the serpentine tube by a water pump and conducted to the air source heat pump body through a heat conduction plate for defrosting. By setting up a reflux component, the defrosted frost water can be refluxed into the water tank for recycling. At the same time, erosion of the air source heat pump can be avoided, and the purpose of timely cleaning is achieved, thereby not affecting the use of the air source heat pump.

[0009] Preferably, a temperature sensor is fixedly connected to the right side of the inner cavity of the water tank, a temperature display screen is fixedly connected to the right side of the water tank, and the temperature sensor and the temperature display screen are electrically connected via a wire.

[0010] By adopting the above technical solution, the temperature of the hot water in the water tank can be detected and displayed on the temperature display screen, which is convenient for users to observe.

[0011] Preferably, a liquid level sensor is fixedly connected to the left side of the inner cavity of the water tank, a buzzer is fixedly connected to the left side of the air source heat pump box, and the liquid level sensor is electrically connected to the buzzer.

[0012] By adopting the above technical solution, the water level in the water tank can be detected. When the water level is low, an alarm can be sounded through a buzzer to remind the user to add defrosting water into the water tank through the water filling pipe in time.

[0013] Preferably, an air inlet assembly is provided on the back of the inner cavity of the air source heat pump box, and the air inlet assembly includes an air inlet box, a fan is provided in the inner cavity of the air inlet box, a dustproof net is provided on the surface of the inner cavity of the air inlet box, and a heating net is provided at the other end of the inner cavity of the air inlet box.

[0014] By adopting the above technical solution, the external air can be heated through the heating network, so that the hot air is blown to the serpentine tube and the heat transfer plate, the thermal conductivity of the heat transfer plate is increased, and the defrosting operation of the air source heat pump body is further improved.

[0015] Preferably, a box door is provided on the surface of the air source heat pump box, and an observation window is fixedly connected to the surface of the box door.

[0016] By adopting the above technical solution, the air source heat pump body can be easily maintained.

[0017] Preferably, the surface of the water tank is connected to a water injection pipe, and the other end of the water injection pipe is provided with a sealing cover.

[0018] By adopting the above technical solution, it is convenient for the user to add defrosting water into the water tank.

[0019] Preferably, both sides of the heat conducting plate are fixedly connected to the inner wall of the air source heat pump box, and the surface of the heat conducting plate is tightly fitted to the air source heat pump body.

[0020] Preferably, legs are fixedly connected around the bottom of the air source heat pump box, and a support is fixedly connected to the bottom of the legs.

[0021] By adopting the above technical solution, the stability of the device during operation can be increased.

[0022] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0023] The utility model can perform a defrost operation on the air source heat pump body by arranging a defrost component, wherein a heating block is used to heat the water in the water tank, and then the hot water is pumped into the serpentine pipe by a water pump and conducted to the air source heat pump body through a heat conduction plate to perform the defrost operation; by setting a reflux component, the defrosted frost water can be refluxed into the water tank to achieve recycling, and at the same time, erosion of the air source heat pump can be avoided, thereby achieving the purpose of timely cleaning, thereby not affecting the use of the air source heat pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 It is a three-dimensional diagram of the main body of the air source heat pump in the structure of the utility model;

[0026] Figure 3 It is a three-dimensional diagram of the guide plate in the structure of the utility model;

[0027] Figure 4 It is a partial cross-sectional view of the structure diagram of the utility model;

[0028] Figure 5 It is a cross-sectional view of the structure of the utility model;

[0029] Figure 6 It is a side cross-sectional view of the air source heat pump box in the structure of the utility model.

[0030] In the figure: 1. Air source heat pump box; 2. Air source heat pump body; 3. Defrost assembly; 301. Water tank; 302. Water pump; 303. Serpentine pipe; 304. Heating block; 305. Heat conduction plate; 4. Reflux assembly; 401. Reflux port; 402. Guide plate; 5. Temperature sensor; 6. Temperature display screen; 7. Liquid level sensor; 8. Buzzer; 9. Air inlet assembly; 901. Air inlet box; 902. Fan; 903. Dustproof net; 904. Heating net; 10. Box door; 11. Water injection pipe; 12. Legs; 13. Observation window. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Embodiment 1:

[0033] See also Figure 1-6 , an air source heat pump fast defrosting device, comprising an air source heat pump box 1, an air source heat pump body 2 is fixedly connected to the top of the inner cavity of the air source heat pump box 1, a defrosting component 3 is arranged at the bottom of the inner cavity of the air source heat pump box 1, the defrosting component 3 comprises a water tank 301, a water pump 302 is connected to the left side of the inner cavity of the water tank 301, a serpentine pipe 303 is connected to the top of the water pump 302, the other end of the serpentine pipe 303 is connected to the right side of the water tank 301, a heating block 304 is arranged at the bottom of the inner cavity of the water tank 301, a heat conducting plate 305 is arranged on the surface of the serpentine pipe 303; a reflux component 4 is arranged at the top of the water tank 301, and the reflux component 4 It includes a reflux port 401, and guide plates 402 are arranged on both sides of the reflux port 401. By arranging a defrost component 3, the air source heat pump body 2 can be defrosted, wherein the water in the water tank 301 is heated by a heating block 304, and then the hot water is pumped into the serpentine tube 303 by a water pump 302 and conducted to the air source heat pump body 2 through a heat conduction plate 305 for defrosting. By arranging the reflux component 4, the defrosted frost water can be refluxed into the water tank 301 to realize recycling, and at the same time, it can avoid erosion to the air source heat pump, and achieve the purpose of timely cleaning, thereby not affecting the use of the air source heat pump.

[0034] Embodiment 2:

[0035] See also Figure 1-6, an air source heat pump fast defrosting device, comprising an air source heat pump box 1, a temperature sensor 5 is fixedly connected to the right side of the inner cavity of the water tank 301, a temperature display screen 6 is fixedly connected to the right side of the water tank 301, the temperature sensor 5 and the temperature display screen 6 are electrically connected through a wire, and the temperature of the hot water in the water tank 301 can be detected and displayed on the temperature display screen 6, which is convenient for users to observe, a liquid level sensor 7 is fixedly connected to the left side of the inner cavity of the water tank 301, a buzzer 8 is fixedly connected to the left side of the air source heat pump box 1, the liquid level sensor 7 is electrically connected to the buzzer 8, and the water level in the water tank 301 can be detected. When the water level is low, an alarm can be sounded through the buzzer 8 to remind the user to add defrosting water to the water tank 301 through the water injection pipe 11 in time, and an air inlet component 9 is arranged on the back of the inner cavity of the air source heat pump box 1, and the air inlet component 9 includes an air inlet box 901, and the inner cavity of the air inlet box 901 is provided with a fan 902, and the surface of the inner cavity of the air inlet box 901 A dustproof net 903 is provided on the surface, and a heating net 904 is provided at the other end of the inner cavity of the air inlet box 901, which can heat the external air through the heating net 904, so as to realize that the hot air is blown to the serpentine tube 303 and the heat conducting plate 305, thereby increasing the thermal conductivity of the heat conducting plate 305 and further improving the defrosting operation of the air source heat pump body 2. A box door 10 is provided on the surface of the air source heat pump box 1, and an observation window 13 is fixedly connected to the surface of the box door 10, which can facilitate the maintenance of the air source heat pump body 2. A water injection pipe 11 is connected to the surface of the water tank 301, and a sealing cover is provided at the other end of the water injection pipe 11, which can facilitate the user to add defrosting water into the water tank 301. Both sides of the heat conducting plate 305 are fixedly connected to the inner wall of the air source heat pump box 1, and the surface of the heat conducting plate 305 is tightly fitted with the air source heat pump body 2. Support legs 12 are fixedly connected to the four sides of the bottom of the air source heat pump box 1, and a support is fixedly connected to the bottom of the support legs 12, which can increase the stability of the device during operation.

[0036] The principle of this embodiment is:

[0037] During use, when the air source heat pump body 2 is running, the heating block 304 is started at the same time to heat the water in the water tank 301, and then the hot water is pumped into the serpentine tube 303 through the water pump 302 and transferred to the air source heat pump body 2 through the heat conduction plate 305 for defrosting. When the fan 902 is turned on, the external air can be heated through the heating network 904, so that the hot air is blown to the serpentine tube 303 and the heat conduction plate 305, thereby increasing the heat conduction performance of the heat conduction plate 305 and further improving the defrosting operation of the air source heat pump body 2.

[0038] During defrosting, the frost water will melt into water, and the frost water can flow back into the water tank 301 through the guide plate 402 and the return port 401 to achieve recycling. At the same time, the frost water can be prevented from flowing crosswise to erode the air source heat pump, so as to achieve the purpose of timely cleaning, thereby not affecting the use of the air source heat pump.

[0039] Finally, the temperature sensor 5 can detect the temperature of the hot water in the water tank 301 and display it through the temperature display screen 6 for the user to observe. The setting of the liquid level sensor 7 can detect the water level in the water tank 301. When the water level is low, an alarm can be sounded through the buzzer 8 to remind the user to add defrosting water into the water tank 301 through the water filling pipe 11 in time.

[0040] To sum up: this kind of air source heat pump rapid defrosting equipment, by setting up a defrost component 3, can perform defrosting operations on the air source heat pump body 2, wherein the heating block 304 is used to heat the water in the water tank 301, and then the hot water is pumped into the serpentine tube 303 by the water pump 302 and transmitted to the air source heat pump body 2 through the heat conduction plate 305 for defrosting operations, and through the setting of the reflux component 4, the defrosted frost water can be refluxed into the water tank 301 to achieve recycling, and at the same time, it can avoid erosion to the air source heat pump and achieve the purpose of timely cleaning, thereby not affecting the use of the air source heat pump.

[0041] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in the field. This application is mainly used to protect mechanical devices, so this application no longer explains the control method and circuit connection in detail.

[0042] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air source heat pump rapid defrosting device, comprising an air source heat pump box (1), characterized in that: The top of the inner cavity of the air source heat pump box (1) is fixedly connected to the air source heat pump body (2), and the bottom of the inner cavity of the air source heat pump box (1) is provided with a defrosting component (3), and the defrosting component (3) comprises a water tank (301), the left side of the inner cavity of the water tank (301) is connected to a water pump (302), the top of the water pump (302) is connected to a serpentine tube (303), the other end of the serpentine tube (303) is connected to the right side of the water tank (301), the bottom of the inner cavity of the water tank (301) is provided with a heating block (304), and the surface of the serpentine tube (303) is provided with a heat conducting plate (305); A reflux component (4) is arranged on the top of the water tank (301), and the reflux component (4) comprises a reflux port (401), and guide plates (402) are arranged on both sides of the reflux port (401).

2. The air source heat pump rapid defrosting device according to claim 1, characterized in that: A temperature sensor (5) is fixedly connected to the right side of the inner cavity of the water tank (301), and a temperature display screen (6) is fixedly connected to the right side of the water tank (301). The temperature sensor (5) and the temperature display screen (6) are electrically connected via a wire.

3. The air source heat pump rapid defrosting device according to claim 1, characterized in that: A liquid level sensor (7) is fixedly connected to the left side of the inner cavity of the water tank (301), and a buzzer (8) is fixedly connected to the left side of the air source heat pump box (1); the liquid level sensor (7) is electrically connected to the buzzer (8).

4. The air source heat pump rapid defrosting device according to claim 1, characterized in that: An air inlet assembly (9) is arranged on the back of the inner cavity of the air source heat pump box (1), and the air inlet assembly (9) comprises an air inlet box (901), the inner cavity of the air inlet box (901) is provided with a fan (902), the surface of the inner cavity of the air inlet box (901) is provided with a dustproof net (903), and the other end of the inner cavity of the air inlet box (901) is provided with a heating net (904).

5. The air source heat pump rapid defrosting device according to claim 1, characterized in that: The surface of the air source heat pump box (1) is provided with a box door (10), and the surface of the box door (10) is fixedly connected with an observation window (13).

6. The air source heat pump rapid defrosting device according to claim 1, characterized in that: The surface of the water tank (301) is connected to a water injection pipe (11), and the other end of the water injection pipe (11) is provided with a sealing cover.

7. The air source heat pump rapid defrosting device according to claim 1, characterized in that: Both sides of the heat conducting plate (305) are fixedly connected to the inner wall of the air source heat pump box (1), and the surface of the heat conducting plate (305) is tightly fitted to the air source heat pump body (2).

8. The air source heat pump rapid defrosting device according to claim 1, characterized in that: The bottom of the air source heat pump box (1) is fixedly connected to supporting legs (12) on all four sides, and the bottom of the supporting legs (12) is fixedly connected to a support.

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