CN204373255U - A kind of air cooled heat pump - Google Patents
A kind of air cooled heat pump Download PDFInfo
- Publication number
- CN204373255U CN204373255U CN201420851820.7U CN201420851820U CN204373255U CN 204373255 U CN204373255 U CN 204373255U CN 201420851820 U CN201420851820 U CN 201420851820U CN 204373255 U CN204373255 U CN 204373255U
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- Prior art keywords
- side heat
- heat exchanger
- base plate
- heat pump
- compressor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model discloses a kind of air cooled heat pump, comprise shell, be provided with compressor, four-way change-over valve, air side heat exchanger and water-side heat in shell, between air side heat exchanger and water-side heat, be connected with throttling arrangement; Also comprise controller; Radiator comprises the base plate of hollow, base plate two ends are respectively equipped with base plate refrigerant inlet and base plate refrigerant outlet, the refrigerant outlet end of compressor is connected to the base plate refrigerant inlet of radiator by auxiliary inlet pipe, the base plate refrigerant outlet of radiator is by assisting out pipe and liquid collecting pipeline connection, and auxiliary inlet pipe is provided with magnetic valve; The bottom place of air side heat exchanger is provided with temperature sensor, and temperature sensor is electrically connected to a signal input part of controller, and the operation feedback signal of compressor is electrically connected to another signal input part of controller; The electric power loop of magnetic valve is electrically connected to a signal output part of controller.Air cooled heat pump of the present utility model, can prevent the bottom of air side heat exchanger from freezing.
Description
Technical field
The utility model relates to air-conditioning technical field, specifically, relates to a kind of air cooled heat pump.
Background technology
Along with the raising of socioeconomic development and people's living standard, the application of air-conditioning is more and more universal.Air cooled heat pump cools air side heat exchanger owing to utilizing air, and therefore economize energy is applied widely.
In existing air cooled heat pump, air side heat exchanger generally uses V-type finned heat exchanger.Due to the restriction of client's installation environment, space air cooled heat pump being arranged on relative closure had, installing space sluggish in air circulation, during winter heating, the condensed water on the fin of V-type finned heat exchanger, due to the gravity of self, stay along fin, easily freeze on fin bottom portion one tunnel even two-way heat exchanger tube, the bursting by freezing of copper pipe time serious, can be caused, cause the refrigrant leakage of air cooled heat pump, finally damage.Usually cross valve commutation is adopted to carry out defrosting deicing to fin in existing air cooled heat pump.But this de-icing method in use, when cross valve commutation carries out defrosting deicing to fin, indoor heating quantity not sufficient can be caused, have a strong impact on the efficiency of air cooled heat pump, the efficiency of air cooled heat pump is reduced.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of and can prevent the bottom of air side heat exchanger from freezing and can to the air cooled heat pump carrying out automatic de-icing bottom air side heat exchanger.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of air cooled heat pump, comprises shell, is provided with compressor, four-way change-over valve, air side heat exchanger and water-side heat in described shell, be connected with throttling arrangement between described air side heat exchanger and described water-side heat; The refrigerant outlet end of described compressor is connected to the first end of described four-way change-over valve, second end of described four-way change-over valve is connected to described air side heat exchanger, 3rd end of described four-way change-over valve is by being connected to the refrigerant inlet end of described compressor after gas-liquid separator, 4th end of described four-way change-over valve is connected to one end of described water-side heat, also comprises controller;
The other end of described air side heat exchanger is provided with distributor, described distributor is connected to described throttling arrangement by liquid collecting pipeline, bottom in described air side heat exchanger is provided with radiator, described radiator comprises the base plate of hollow, the two ends of described base plate are respectively equipped with base plate refrigerant inlet and base plate refrigerant outlet, the refrigerant outlet end of described compressor is connected to the base plate refrigerant inlet of described radiator by auxiliary inlet pipe, the base plate refrigerant outlet of described radiator is by assisting out pipe and described liquid collecting pipeline connection, and described auxiliary inlet pipe is provided with magnetic valve;
The bottom place of described air side heat exchanger is provided with temperature sensor, and described temperature sensor is electrically connected to a signal input part of described controller, and the operation feedback signal of described compressor is electrically connected to another signal input part of described controller;
The electric power loop of described magnetic valve is electrically connected to a signal output part of described controller.
Preferably, described base plate is provided with some fin.
Preferably, described throttling arrangement is expansion valve.
Preferably, described expansion valve is electric expansion valve.
Preferably, the electric power loop of the motor of described compressor is provided with contactor, and the operation feedback signal of described compressor is the closure signal of described contactor.
Preferably, described auxiliary inlet pipe is the auxiliary inlet pipe of red copper material.
Preferably, described pipe of assisting out is that the auxiliary of red copper material goes out to manage.
Preferably, described air side heat exchanger is V-type finned heat exchanger.
Preferably, described controller is PLC.
After have employed technique scheme, the beneficial effects of the utility model are:
Air cooled heat pump of the present utility model, when heating use in the winter time, the electric power loop of compressor electric motor sends the feedback signal that controller is running to, utilize the temperature sensor bottom air side heat exchanger, temperature bottom air side heat exchanger is detected, and the temperature signal detected is sent to controller, when temperature is lower than 0 degree, controller Controlling solenoid valve is opened, the high-temperature high-pressure refrigerant gas that compressor is exported enters in auxiliary inlet pipe, then the radiator in bottom air side heat exchanger is entered, distribute heat is carried out by the fin of radiator weather exchanger base, by the moisture evaporation bottom air side heat exchanger, when the temperature that temperature sensor detects in bottom air side heat exchanger is greater than 0 degree, time-delay closing magnetic valve, effectively prevent condensed water bottom air side heat exchanger in freeze.In addition, when freezing bottom air side heat exchanger, now, temperature sensor detects that temperature is lower than 0 degree, and the temperature signal detected is sent to controller, controller Controlling solenoid valve is opened, the high-temperature high-pressure refrigerant gas that compressor is exported enters in auxiliary inlet pipe, then the radiator heat-dissipation in bottom air side heat exchanger is entered, make the icing fusing evaporation in bottom air side heat exchanger, when the temperature that temperature sensor detects in bottom air side heat exchanger is greater than 0 degree, time-delay closing magnetic valve.Achieve the automatic de-icing in bottom air side heat exchanger.High-temperature high-pressure refrigerant gas is inner after radiator heat-dissipation at air side heat exchanger, through assisting out pipe to enter liquid collecting pipeline, reclaiming the refrigerant-cycle systems entering air cooled heat pump and circulating.In addition, bottom air side heat exchanger, radiator is set, high-temperature high-pressure refrigerant gas is made to enter the base plate of the radiator of hollow, rapidly heat is delivered to the fin on base plate, to dispel the heat towards periphery deicing, the radiator heat-dissipation speed of this structure, improves the efficiency of making ice bottom air side heat exchanger and deicing, has saved the energy.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is the systematic schematic diagram of air cooled heat pump of the present utility model;
Fig. 2 is the control principle drawing of the auxiliary inlet pipe of air cooled heat pump of the present utility model;
Fig. 3 is the structural representation of air cooled heat pump of the present utility model;
Fig. 4 is the structural representation of the radiator in the utility model;
In figure: 1, shell; 2, compressor; 3, four-way change-over valve; 4, air side heat exchanger; 41, distributor; 5, gas-liquid separator; 6, throttling arrangement; 7, water-side heat; 8, auxiliary inlet pipe; 9, pipe is assisted out; 10, magnetic valve; 11, temperature sensor; 12, controller; 13, radiator; 131, base plate; 132, fin; 133, base plate refrigerant inlet; 134, base plate refrigerant outlet; 14, contactor; 15, liquid collecting pipeline.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 is the systematic schematic diagram of air cooled heat pump of the present utility model; Fig. 2 is the control principle drawing of the auxiliary inlet pipe of air cooled heat pump of the present utility model; Fig. 3 is the structural representation of air cooled heat pump of the present utility model; Fig. 4 is the structural representation of the radiator in the utility model.
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of air cooled heat pump, comprises shell 1, is provided with compressor 2, four-way change-over valve 3, air side heat exchanger 4 and water-side heat 7, is connected with throttling arrangement 6 between air side heat exchanger 4 and water-side heat 7 in shell 1; The refrigerant outlet end of compressor 2 is connected to the first end of four-way change-over valve 3, second end of four-way change-over valve 3 is connected to air side heat exchanger 4,3rd end of four-way change-over valve 3 is by being connected to the refrigerant inlet end of compressor 2 after gas-liquid separator 5, the 4th end of four-way change-over valve 3 is connected to one end of water-side heat 7.
The other end of air side heat exchanger 4 is provided with distributor 41, distributor 41 is connected to throttling arrangement 6 by liquid collecting pipeline 15, bottom in air side heat exchanger 4 is provided with radiator 13, and radiator 13 comprises the base plate 131 of hollow, and the two ends of base plate 131 are respectively equipped with some fin 132.Base plate 131 is provided with base plate refrigerant inlet 133 and base plate refrigerant outlet 134, the refrigerant outlet end of compressor 2 is connected to the base plate refrigerant inlet 133 of radiator 13 by auxiliary inlet pipe 8, the base plate refrigerant outlet 134 of radiator 13 is communicated with liquid collecting pipeline 15 by assisting out pipe 9, and auxiliary inlet pipe 8 is provided with magnetic valve 10.
The air cooled heat pump of the present embodiment, also comprises controller 12; The bottom place of air side heat exchanger 4 is provided with temperature sensor 11, and temperature sensor 11 is electrically connected to a signal input part of controller 12, and the operation feedback signal of compressor 2 is electrically connected to another signal input part of controller 12; The electric power loop of magnetic valve 10 is electrically connected to a signal output part of controller.
In the present embodiment, throttling arrangement 6 adopts electric expansion valve.
In the present embodiment, the electric power loop of the motor of compressor 2 is provided with contactor 14, and the operation feedback signal of compressor 2 adopts the closure signal of contactor 14.
In the present embodiment, auxiliary inlet pipe 8 is the auxiliary inlet pipe of red copper material; Pipe 9 is assisted out to be that the auxiliary of red copper material goes out to manage.
In the present embodiment, air side heat exchanger 4 is V-type finned heat exchanger.
Controller 12 is PLC programmable controller.Certainly, controller 12 also can adopt single-chip microcomputer, and single-chip microcomputer and PLC are very ripe industrial control products.
Air cooled heat pump of the present utility model, when heating use in the winter time, contactor 14 in the electric power loop of the motor of compressor 2 sends the feedback signal that controller 12 is running to, utilize the temperature sensor 11 bottom air side heat exchanger 4, temperature bottom air side heat exchanger 4 is detected, and the temperature signal detected is sent to controller 12, when temperature is lower than 0 degree, controller 12 Controlling solenoid valve 10 is opened, the high-temperature high-pressure refrigerant gas that compressor 2 is exported enters in auxiliary inlet pipe 8, then the radiator 13 in bottom air side heat exchanger 4 is entered, distribute heat is carried out by the fin bottom radiator 13 weather heat exchanger 4, by the moisture evaporation bottom air side heat exchanger 4, when the temperature that temperature sensor 11 detects in bottom air side heat exchanger 4 is greater than 0 degree, time-delay closing magnetic valve 10, effectively prevent condensed water bottom air side heat exchanger 4 in freeze.In addition, when freezing bottom air side heat exchanger 4, now, temperature sensor 11 detects that temperature is lower than 0 degree, and the temperature signal detected is sent to controller 12, controller 12 Controlling solenoid valve 10 is opened, the high-temperature high-pressure refrigerant gas that compressor 2 is exported enters in auxiliary inlet pipe 8, then the radiator 13 entered in bottom air side heat exchanger 4 dispels the heat, make the icing fusing evaporation in bottom air side heat exchanger 4, when the temperature that temperature sensor 11 detects in bottom air side heat exchanger 4 is greater than 0 degree, time-delay closing magnetic valve 10.Achieve the automatic de-icing in bottom air side heat exchanger 4.High-temperature high-pressure refrigerant gas in air side heat exchanger 4 inside, through assisting out pipe 9 to enter liquid collecting pipeline 15, reclaiming the refrigerant-cycle systems entering air cooled heat pump and circulating after radiator 13 dispels the heat.In addition, radiator 13 is set bottom air side heat exchanger 4, high-temperature high-pressure refrigerant gas is made to enter the base plate 131 of the radiator 13 of hollow, fin 132 is transferred heat to by base plate 131, be rapidly to deicing of dispelling the heat around, radiator 13 radiating rate of this structure is very fast, improves the efficiency of making ice bottom air side heat exchanger 4 and deicing, has saved the energy.
The above is the citing of the utility model preferred forms, and the part wherein do not addressed in detail is the common practise of those of ordinary skill in the art.Protection domain of the present utility model is as the criterion with the content of claim, and any equivalent transformation carried out based on technology enlightenment of the present utility model, also within protection domain of the present utility model.
Claims (9)
1. an air cooled heat pump, comprises shell, is provided with compressor, four-way change-over valve, air side heat exchanger and water-side heat in described shell, is connected with throttling arrangement between described air side heat exchanger and described water-side heat; The refrigerant outlet end of described compressor is connected to the first end of described four-way change-over valve, second end of described four-way change-over valve is connected to described air side heat exchanger, 3rd end of described four-way change-over valve is by being connected to the refrigerant inlet end of described compressor after gas-liquid separator, 4th end of described four-way change-over valve is connected to one end of described water-side heat, it is characterized in that: also comprise controller;
The other end of described air side heat exchanger is provided with distributor, described distributor is connected to described throttling arrangement by liquid collecting pipeline, bottom in described air side heat exchanger is provided with radiator, described radiator comprises the base plate of hollow, the two ends of described base plate are respectively equipped with base plate refrigerant inlet and base plate refrigerant outlet, the refrigerant outlet end of described compressor is connected to the base plate refrigerant inlet of described radiator by auxiliary inlet pipe, the base plate refrigerant outlet of described radiator is by assisting out pipe and described liquid collecting pipeline connection, and described auxiliary inlet pipe is provided with magnetic valve;
The bottom place of described air side heat exchanger is provided with temperature sensor, and described temperature sensor is electrically connected to a signal input part of described controller, and the operation feedback signal of described compressor is electrically connected to another signal input part of described controller;
The electric power loop of described magnetic valve is electrically connected to a signal output part of described controller.
2. air cooled heat pump as claimed in claim 1, is characterized in that: described base plate is provided with some fin.
3. air cooled heat pump as claimed in claim 1, is characterized in that: described throttling arrangement is expansion valve.
4. air cooled heat pump as claimed in claim 3, is characterized in that: described expansion valve is electric expansion valve.
5. air cooled heat pump as claimed in claim 1, it is characterized in that: the electric power loop of the motor of described compressor is provided with contactor, the operation feedback signal of described compressor is the closure signal of described contactor.
6. air cooled heat pump as claimed in claim 1, is characterized in that: described auxiliary inlet pipe is the auxiliary inlet pipe of red copper material.
7. air cooled heat pump as claimed in claim 1, is characterized in that: described pipe of assisting out is that the auxiliary of red copper material goes out to manage.
8. air cooled heat pump as claimed in claim 1, is characterized in that: described air side heat exchanger is V-type finned heat exchanger.
9. the air cooled heat pump as described in any one of claim 1 to 8, is characterized in that: described controller is PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420851820.7U CN204373255U (en) | 2014-12-27 | 2014-12-27 | A kind of air cooled heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420851820.7U CN204373255U (en) | 2014-12-27 | 2014-12-27 | A kind of air cooled heat pump |
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| Publication Number | Publication Date |
|---|---|
| CN204373255U true CN204373255U (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420851820.7U Active CN204373255U (en) | 2014-12-27 | 2014-12-27 | A kind of air cooled heat pump |
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| Country | Link |
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| CN (1) | CN204373255U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157291A (en) * | 2015-09-22 | 2015-12-16 | 广东志高暖通设备股份有限公司 | Air conditioning defrosting method, outdoor heat exchanger and air conditioning system |
| CN106440519A (en) * | 2016-11-28 | 2017-02-22 | 无锡同方人工环境有限公司 | Heating air source heat pump system with supercooling circuit |
-
2014
- 2014-12-27 CN CN201420851820.7U patent/CN204373255U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157291A (en) * | 2015-09-22 | 2015-12-16 | 广东志高暖通设备股份有限公司 | Air conditioning defrosting method, outdoor heat exchanger and air conditioning system |
| CN106440519A (en) * | 2016-11-28 | 2017-02-22 | 无锡同方人工环境有限公司 | Heating air source heat pump system with supercooling circuit |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |