CN209840452U - Energy-storage defrosting new energy automobile heat pump air conditioner - Google Patents
Energy-storage defrosting new energy automobile heat pump air conditioner Download PDFInfo
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- CN209840452U CN209840452U CN201920665078.3U CN201920665078U CN209840452U CN 209840452 U CN209840452 U CN 209840452U CN 201920665078 U CN201920665078 U CN 201920665078U CN 209840452 U CN209840452 U CN 209840452U
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Abstract
An energy storage defrosting new energy automobile heat pump air conditioner relates to the technical field of new energy automobile heat management equipment. The utility model discloses a be located the motor compressor outside the car, motor compressor passes through the electromagnetism cross valve and is connected with microchannel parallel flow heat exchanger, vapour and liquid separator, heat storage tank respectively, microchannel parallel flow heat exchanger passes through the electronic stop valve of second and is connected with heat storage tank, microchannel parallel flow heat exchanger passes through two-way electronic expansion valve and is connected with air conditioning equipment with the heat supply ventilation that is located the car, heat storage tank is connected with electromagnetism cross valve, heat supply ventilation and air conditioning equipment respectively through first electronic stop valve. The utility model discloses utilize the waste heat of electric compressor exhaust heat or motor operation process, inhale heat release principle according to the phase transition, do not stop the heat supply and reach the purpose of defrosting at heat pump operation in-process, this technique makes the system operation more steady, can improve heating efficiency simultaneously, improves passenger's travelling comfort.
Description
Technical Field
The utility model relates to a technical field of new energy automobile heat management equipment especially relates to an utilize new energy automobile heat pump air conditioner of heat-retaining defrosting technique.
Background
The automobile is a traditional industry, also becomes a tool of riding instead of walk on a journey, and greatly influences the life of each person. With the increasing living standard of people, the requirements of people on vehicle-mounted air conditioners are higher and higher. An automobile air conditioner is a device for realizing refrigeration, heating, ventilation and air purification of air in a carriage. The automobile seat cushion can provide a comfortable riding environment for passengers, reduce the fatigue strength of a driver and improve the driving safety. The automobile air conditioner has become one of the marks for measuring the automobile functions.
The existing new energy automobile heat pump air conditioner generally adopts a refrigeration cycle defrosting mode during defrosting, and the heat supply to an automobile room cannot be carried out in the defrosting process, so that the comfort of the air conditioner is influenced.
Disclosure of Invention
The utility model aims at the technical problem to current new energy automobile heat pump air conditioner defrosting, provide an energy storage defrosting new energy automobile heat pump air conditioner, it utilizes the waste heat of electric compressor exhaust heat or motor operation process, inhales heat release principle according to the phase transition, does not stop the heat supply and reach the purpose of defrosting in heat pump operation process, and this technique makes the system operation more steady, can improve heating efficiency simultaneously, improves passenger's travelling comfort.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an energy storage new energy automobile heat pump air conditioner that defrosts, including the electric compressor who is located the car, electric compressor passes through the electromagnetism cross valve respectively with microchannel parallel flow heat exchanger, vapour and liquid separator, the heat storage tank is connected, microchannel parallel flow heat exchanger passes through the electronic stop valve of second and is connected with the heat storage tank, microchannel parallel flow heat exchanger passes through two-way electronic expansion valve and is connected with the heat supply ventilation and the air conditioning equipment that are located the car, the heat storage tank is connected with electromagnetism cross valve, heat supply ventilation and air conditioning equipment respectively through first electronic stop valve.
Preferably, the microchannel parallel flow heat exchanger of the present invention is provided with an electronic fan.
Preferably, the heating, ventilating and air conditioning apparatus of the present invention comprises a condenser and an auxiliary heater connected to each other.
Has the advantages that: compared with the prior art, the utility model has the advantages of:
1. the utility model discloses the operation is simple, reliable. When the heat pump is used for defrosting, heating and refrigerating switching is not needed, and only the first electric stop valve and the second electric stop valve are controlled, so that the problem of unstable system caused by mode switching is solved. The heat supply is continued in the cab in the defrosting process, the cold air blowing feeling is avoided, and the comfort of personnel is improved.
2. The utility model discloses can in good time replenish the refrigerant to microchannel parallel flow heat exchanger under the condition that ambient temperature is low, evaporating pressure is low, make the system be difficult to frosting, simultaneously through replenishing the refrigerant, the oil return that can be convenient for the compressor and the cooling to the compressor make the exhaust temperature of compressor be unlikely to too high, can protect the compressor.
3. The utility model discloses utilized new forms of energy motor waste heat and compressor exhaust waste heat, made the system efficiency improve.
4. The utility model discloses defrosting control is more simple and convenient, and defrosting speed is fast.
5. The utility model discloses utilize the waste heat of electric compressor exhaust heat or motor operation process, inhale heat release principle according to the phase transition, do not stop the heat supply and reach the purpose of defrosting at heat pump operation in-process, this technique makes the system operation more steady, can improve heating efficiency simultaneously, improves passenger's travelling comfort.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: 1. the system comprises an electric compressor, a magnetic four-way valve, a micro-channel parallel flow heat exchanger, a magnetic four-way valve, a micro-channel parallel flow heat exchanger, a magnetic four-way valve, a magnetic.
Detailed Description
The technical scheme of the utility model is explained in detail with the attached drawings as follows:
as shown in fig. 1, an energy-storage defrosting heat pump air conditioner for a new energy automobile comprises an electric compressor 1 located outside the automobile, the electric compressor 1 is respectively connected with a microchannel parallel flow heat exchanger 3, a vapor-liquid separator 5 and a heat storage tank 10 through an electromagnetic four-way valve 2, the microchannel parallel flow heat exchanger 3 is connected with the heat storage tank 10 through a second electric stop valve 12, the microchannel parallel flow heat exchanger 3 is connected with a heat supply ventilation and air conditioning device 7 located inside the automobile through a bidirectional electronic expansion valve 6, and the heat storage tank 10 is respectively connected with the electromagnetic four-way valve 2 and the heat supply ventilation and air conditioning device 7 through a first electric stop valve 11.
As shown in fig. 1, the microchannel parallel flow heat exchanger 3 of the present invention is provided with an electronic fan 4.
As shown in fig. 1, the heating, ventilating and air conditioning apparatus 7 of the present invention includes a condenser 8 and an auxiliary heater 9 connected to each other.
The utility model discloses work flow when refrigerating does: the system comprises an electric compressor 1, an electromagnetic four-way valve 2, a microchannel parallel flow heat exchanger 3, a two-way electronic expansion valve 6, a room air condenser 8, an electromagnetic four-way valve 2, a vapor-liquid separator 5 and an electric compressor 1; the working process during heating is as follows: the system comprises an electric compressor 1, an electromagnetic four-way valve 2, a room air condenser 8, a two-way electronic expansion valve 6, a micro-channel parallel flow heat exchanger 3, an electromagnetic four-way valve 2, a vapor-liquid separator 5 and an electric compressor 1. When heating, because the evaporation temperature at the micro-channel parallel flow heat exchanger 3 is very low, the condensed water is easy to frost particularly in a low-temperature and high-humidity environment, and the heating effect is influenced. In order to defrost, the system needs to be switched from a heating operation state to a cooling operation state, the microchannel parallel flow heat exchanger 3 needs to be defrosted, and after defrosting is finished, the system is switched back to the heating cycle again to supply heat.
The utility model discloses a heat storage tank 10 has been increased, there are two heat exchange coil pipes in the heat storage tank 10, one is the passageway of motor antifreeze, one is the passageway of refrigerant, some phase change heat absorbing material have been filled in the heat storage tank, at the motor during operation, can store the waste heat that the motor gived off, also can absorb electric compressor's exhaust heat when the heating is sufficient, when the needs defrosting, first electric stop valve 11, second electric stop valve 12 is opened, make the highly compressed refrigerant of high temperature get into microchannel parallel flow heat exchanger 3, defrost it. Meanwhile, the original heating cycle continues to work. After defrosting is finished, the first electric stop valve 11 and the second electric stop valve 12 are closed, the heat storage tank absorbs waste heat of a motor or the first electric stop valve 11 and the second electric stop valve 12 are opened, the heat storage tank absorbs waste heat of exhaust gas of a compressor, and the first electric stop valve 11 and the second electric stop valve 12 are closed after the temperature of the heat storage tank reaches a certain target.
The utility model discloses in the use:
(1) the heat storage process: when the waste heat of the motor is used for absorbing heat and storing, the heat generated in the running process of the motor is connected into the heat storage tank 10 through a pipeline, and the heat absorbing material in the heat storage tank 10 exchanges heat with the hot water of the motor in the motor antifreeze coil pipe to absorb heat; if the exhaust temperature of the electric compressor 1 is adopted for heat storage, the first electric stop valve 11 and the second electric stop valve 12 are opened during heating circulation, part of high-temperature and high-pressure refrigerant gas enters the heat storage tank 10, and heat exchange is carried out between a refrigerant coil of the heat storage tank 10 and a heat absorbing material, so that the purpose of heat storage is achieved;
(2) the heat pump operates: when a heat supply demand appears in the driving in the vehicle, the system enters a heating cycle, and the working flow during heating is as follows: the electric compressor 1, the electromagnetic four-way valve 2, the room air condenser 8, the two-way electronic expansion valve 6, the microchannel parallel flow heat exchanger 3, the electromagnetic four-way valve 2, the vapor-liquid separator 5 and the electric compressor 1 are used for timely and intermittently opening the first electric stop valve 11 and the second electric stop valve 12 to assist the two-way electronic expansion valve 6 in regulating the flow and physical state of refrigerant entering the microchannel parallel flow heat exchanger 3 to achieve the purpose of preventing frosting, wherein the frosting phenomenon can occur in the microchannel parallel flow heat exchanger 3 under the environment of low temperature and high humidity in a certain period of operation, and the icing condition can occur if the control is not good.
(3) And during defrosting operation, the first electric stop valve 11 and the second electric stop valve 12 are opened on the basis of heating cycle, part of refrigerant exchanges heat with the phase change material in the heat storage tank 10 through the refrigerant coil of the heat storage tank 10, the phase change material gives off heat, the refrigerant absorbs heat, the hot refrigerant enters the microchannel parallel flow heat exchanger 3 to melt frost, and meanwhile, the original heating cycle continues to work.
(4) And (4) removing the defrosting: after defrosting is finished, the first electric stop valve 11 and the second electric stop valve 12 are closed, the heat storage tank 10 absorbs waste heat of the motor or the first electric stop valve 11 and the second electric stop valve 12 are kept open, the heat storage tank 10 absorbs exhaust heat of the electric compressor 1, and the first electric stop valve 11 and the second electric stop valve 12 are closed after the temperature of the heat storage tank 10 reaches the required temperature.
The above preferred embodiments are only intended to illustrate the technical solution of the present invention and not to limit, and although the present invention has been described in detail by the above preferred embodiments, it should be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the present invention as defined by the appended claims.
Claims (3)
1. The utility model provides an energy storage new forms of energy car heat pump air conditioner that defrosts which characterized in that: the automobile heat storage system comprises an electric compressor (1) located outside an automobile, wherein the electric compressor (1) is respectively connected with a micro-channel parallel flow heat exchanger (3), a vapor-liquid separator (5) and a heat storage tank (10) through an electromagnetic four-way valve (2), the micro-channel parallel flow heat exchanger (3) is connected with the heat storage tank (10) through a second electric stop valve (12), the micro-channel parallel flow heat exchanger (3) is connected with a heat supply ventilation and air conditioning device (7) located in the automobile through a two-way electronic expansion valve (6), and the heat storage tank (10) is respectively connected with the electromagnetic four-way valve (2) and the heat supply ventilation and air conditioning device (7) through a first electric stop valve (11).
2. The heat pump air conditioner of the energy storage defrosting new energy automobile as claimed in claim 1, characterized in that: the microchannel parallel flow heat exchanger (3) is provided with an electronic fan (4).
3. The heat pump air conditioner of the energy storage defrosting new energy automobile as claimed in claim 1, characterized in that: the heating, ventilating and air conditioning device (7) comprises a condenser (8) and an auxiliary heater (9) which are connected with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920665078.3U CN209840452U (en) | 2019-05-10 | 2019-05-10 | Energy-storage defrosting new energy automobile heat pump air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920665078.3U CN209840452U (en) | 2019-05-10 | 2019-05-10 | Energy-storage defrosting new energy automobile heat pump air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN209840452U true CN209840452U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920665078.3U Active CN209840452U (en) | 2019-05-10 | 2019-05-10 | Energy-storage defrosting new energy automobile heat pump air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114683808A (en) * | 2022-06-02 | 2022-07-01 | 山东科技大学 | Pure electric vehicle coupling thermal management system containing phase change heat storage |
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2019
- 2019-05-10 CN CN201920665078.3U patent/CN209840452U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114683808A (en) * | 2022-06-02 | 2022-07-01 | 山东科技大学 | Pure electric vehicle coupling thermal management system containing phase change heat storage |
| US11745562B1 (en) | 2022-06-02 | 2023-09-05 | Shandong University Of Science And Technology | Coupling thermal management system of pure electric vehicle based on phase change heat storage |
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