CN210718209U - Heat pump system with defrosting function - Google Patents
Heat pump system with defrosting function Download PDFInfo
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- CN210718209U CN210718209U CN201921358273.8U CN201921358273U CN210718209U CN 210718209 U CN210718209 U CN 210718209U CN 201921358273 U CN201921358273 U CN 201921358273U CN 210718209 U CN210718209 U CN 210718209U
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- defrosting
- water
- heat pump
- pump system
- air cooler
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Abstract
The utility model discloses a heat pump system with defrosting function, belonging to the heat pump field; the heat pump system for defrosting by using a water defrosting mode is provided, and the problem that the heating requirement cannot be met when the traditional air source heat pump evaporator is defrosted is solved; the heat pump system with the defrosting function comprises a compressor, a plate-type condenser, an expansion valve and a water defrosting air cooler which are sequentially connected through a working medium pipeline, wherein a temperature sensing probe of a temperature controller is arranged at an inlet of the working medium pipeline of the water defrosting air cooler, a spray head and an evaporation pipe are arranged inside the water defrosting air cooler, and the spray head is connected with a defrosting water pump through a liquid supply pipeline; the utility model discloses can be used to the cooling heat supply field.
Description
Technical Field
The utility model discloses heat pump system with defrosting function belongs to heat pump technical field.
Background
The heat pump is a device which takes part of low-grade energy as compensation and transfers heat energy from a low-temperature heat source to a high-temperature heat source. The conventional air source heat pump is greatly influenced by outdoor temperature changes caused by different regions and seasons, particularly when the outdoor temperature is very low in northern regions, when the surface temperature of an outdoor heat exchanger is lower than 0 ℃ and lower than the dew point temperature of air, moisture in the air can be frosted on the surface of a heat exchanger, and the heating performance coefficient and reliability of the air source heat pump can be reduced. Furthermore, air source heat pumps can generally only be placed in outdoor environments.
The conventional defrosting mode is to use a four-way valve to make the system run reversely, and utilize the high-temperature refrigerant vapor generated by a compressor to flow through a heat exchanger to defrost. However, the defrosting mode can interrupt heating, affect the stable operation of the system and consume more energy.
SUMMERY OF THE UTILITY MODEL
The utility model discloses heat pump system with defrosting function has overcome the not enough of prior art existence, provides an utilize water-washed frost mode to remove the heat pump system who defrosts, can't satisfy the problem of heat supply demand when solving traditional air source heat pump evaporator defrosting.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a heat pump system with defrosting function, includes compressor, plate-type condenser, expansion valve and water-washed frost air-cooler that are connected by working medium pipeline in proper order, and the working medium pipeline entrance of water-washed frost air-cooler is equipped with temperature controller's temperature sensing probe, and the inside of water-washed frost air-cooler is equipped with shower nozzle and evaporation calandria, and the shower nozzle links to each other with the towards white water pump through supplying liquid pipeline, and the power supply end of towards white water pump links to each other with temperature controller's output.
Further, the water defrosting air cooler comprises a shell, an axial flow fan is arranged at the top of the shell, the bottom of the shell is hollow, a water receiving basin is arranged below the shell, solution is contained in the water receiving basin, and the water receiving basin is connected with a defrosting water pump through a liquid supply pipeline.
Furthermore, the evaporation calandria is provided with fins.
Furthermore, a shock absorbing pipe is arranged on the outlet pipeline of the compressor.
Further, the solution is an aqueous solution containing an antifreeze.
Furthermore, an oil separator is arranged between the shock absorption pipe and the plate type condenser, and an oil return port of the oil separator is connected with an air suction port of the compressor through an oil return pipe.
Further, a liquid storage tank and a drying filter which are communicated in sequence are arranged between the plate condenser and the expansion valve.
Compared with the prior art, the utility model following beneficial effect has.
The utility model discloses utilize water to dash frost, it is effectual than utilizing hot refrigerant steam defrosting, and the defrosting required time is short, can not interrupt the heat supply, and it has realized automatic operation, and simple structure practices thrift the electric energy. The utility model discloses utilize the water to dash the frost air-cooler and produce air conditioning, the water-washed frost air-cooler can be placed at indoor or outdoor environment, does not receive the influence of season, and it can utilize plate condenser to produce hot water, and the efficiency relative altitude, the reliability is high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1-compressor, 2-plate condenser, 3-expansion valve, 4-water defrosting air cooler, 5-shock absorbing pipe, 6-oil separator, 7-liquid storage tank, 8-drying filter, 9-temperature controller, 10-hot water pump, 11-defrosting water pump, 12-solution, 41-axial flow fan, 42-spray head, 43-evaporation calandria and 44-water receiving basin.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the utility model relates to a heat pump system with defrosting function, include compressor 1 that is connected by working medium pipeline according to the preface, plate condenser 2, expansion valve 3 and water-washed frost air-cooler 4, the working medium pipeline entrance department of water-washed frost air-cooler 4 is equipped with temperature controller 9's temperature sensing probe, and water-washed frost air-cooler 4's inside is equipped with shower nozzle 42 and evaporation calandria 43, and shower nozzle 42 links to each other with towards frost water pump 11 through the feed liquor pipeline, and towards frost water pump 11's power supply end links to each other with temperature controller 9's power output end. The temperature controller 9 can be a manual boiler temperature controller on the market, the model can be LCP-WE77, the temperature control range is 0-100 ℃, and the rated power is 1 kW.
The water defrosting air cooler 4 comprises a shell, an axial flow fan 41 is arranged at the top of the shell, the bottom of the shell is hollow, a water receiving basin 44 is arranged below the shell, a solution 12 is contained in the water receiving basin 44, and the water receiving basin 44 is connected with a defrosting water pump 11 through a liquid supply pipeline.
In order to improve the heat exchange efficiency, the evaporation calandria 43 is provided with fins. The shock-absorbing pipe 5 is arranged on the outlet pipeline of the compressor 1, so that the vibration and noise generated by the refrigerant can be reduced. To prevent freezing of the solution, the solution 12 is an aqueous solution containing an anti-freezing solution.
An oil separator 6 is arranged between the shock absorption pipe 5 and the plate condenser 2, and an oil return port of the oil separator 6 is connected with an air suction port of the compressor 1 through an oil return pipe. A liquid storage tank 7 and a drying filter 8 which are communicated in sequence are arranged between the plate-type condenser 2 and the expansion valve 3.
To the working process and principle of the utility model further explain: after the compressor 1 is started, superheated refrigerant steam discharged from an exhaust port sequentially passes through the shock absorption pipe 5 and the oil separator 6 and then enters the plate-type condenser 2, the hot water pump 10 is started, a water source performs heat exchange in the plate-type condenser 2, hot water is generated at a water outlet, the refrigerant releases heat to become high-pressure refrigerant liquid, impurities are removed sequentially through the liquid storage tank 7 and the drying filter 8, the refrigerant gas-liquid mixture is throttled by the expansion valve 3 and enters the evaporation calandria 43 in the water defrosting air cooler 4, the evaporation calandria 43 absorbs heat in air, and the refrigerant becomes low-temperature low-pressure refrigerant gas and is sucked into the compressor 1 to form closed refrigerant circulation.
During the operation of the system, the axial flow fan 41 supplies air to the evaporation exhaust pipe 43, and cooling air flow is sent out from two sides of the shell of the water defrosting air cooler 4. The temperature controller 9 monitors the temperature of the surface of the refrigerant inlet pipeline of the water defrosting air cooler 4 in real time, when the temperature is as low as a set value of 0 ℃ (the temperature value can be set), the evaporation calandria 43 can be frosted generally, at the moment, the temperature controller 9 powers on the defrosting water pump 11, the defrosting water pump 11 is started, the solution 12 is sprayed to the evaporation calandria 43 through the spray head 42, and the frost layer is melted and washed away by the heat of the solution 12. The solution flowing down the evaporation calandria 43 falls into the water receiving basin 44 for recycling. When the pressure of the refrigerant is greater than or equal to the set value 0 ℃, the temperature controller 9 enables the defrosting water pump 11 to be powered off, and the defrosting operation is finished.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. A heat pump system with defrosting function which characterized in that: the defrosting device comprises a compressor (1), a plate-type condenser (2), an expansion valve (3) and a water-washed frost air cooler (4) which are sequentially connected through a working medium pipeline, a temperature sensing probe of a temperature controller (9) is arranged at an inlet of the working medium pipeline of the water-washed frost air cooler (4), a spray head (42) and an evaporation exhaust pipe (43) are arranged inside the water-washed frost air cooler (4), the spray head (42) is connected with a defrosting water pump (11) through a liquid supply pipeline, and a power supply end of the defrosting water pump (11) is connected with an output end of the temperature controller (9).
2. The heat pump system with a defrosting function according to claim 1, characterized in that: the water defrosting air cooler (4) comprises a shell, an axial flow fan (41) is arranged at the top of the shell, the bottom of the shell is hollow, a water receiving basin (44) is arranged below the shell, a solution (12) is contained in the water receiving basin (44), and the water receiving basin (44) is connected with a defrosting water pump (11) through a liquid supply pipeline.
3. The heat pump system with a defrosting function according to claim 1, characterized in that: the evaporation calandria (43) is provided with fins.
4. The heat pump system with a defrosting function according to claim 1, characterized in that: and a shock absorbing pipe (5) is arranged on an outlet pipeline of the compressor (1).
5. The heat pump system with a defrosting function according to claim 2, characterized in that: the solution (12) is an aqueous solution containing an antifreeze.
6. The heat pump system with a defrosting function according to claim 4, characterized in that: an oil separator (6) is arranged between the shock absorption pipe (5) and the plate type condenser (2), and an oil return port of the oil separator (6) is connected with an air suction port of the compressor (1) through an oil return pipe.
7. The heat pump system with a defrosting function according to claim 1, characterized in that: a liquid storage tank (7) and a drying filter (8) which are communicated in sequence are arranged between the plate-type condenser (2) and the expansion valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921358273.8U CN210718209U (en) | 2019-08-21 | 2019-08-21 | Heat pump system with defrosting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921358273.8U CN210718209U (en) | 2019-08-21 | 2019-08-21 | Heat pump system with defrosting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210718209U true CN210718209U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921358273.8U Expired - Fee Related CN210718209U (en) | 2019-08-21 | 2019-08-21 | Heat pump system with defrosting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210718209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833612A (en) * | 2021-01-04 | 2021-05-25 | 格力电器（武汉）有限公司 | Water defrosting adjusting method and system for refrigeration house air conditioner |
-
2019
- 2019-08-21 CN CN201921358273.8U patent/CN210718209U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833612A (en) * | 2021-01-04 | 2021-05-25 | 格力电器（武汉）有限公司 | Water defrosting adjusting method and system for refrigeration house air conditioner |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 Termination date: 20210821 |