CN220517922U - Heat pump air conditioner thermal management system - Google Patents
Heat pump air conditioner thermal management system Download PDFInfo
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- CN220517922U CN220517922U CN202321785662.5U CN202321785662U CN220517922U CN 220517922 U CN220517922 U CN 220517922U CN 202321785662 U CN202321785662 U CN 202321785662U CN 220517922 U CN220517922 U CN 220517922U
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- electromagnetic
- valve
- heat exchanger
- way valve
- air conditioner
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- 239000003507 refrigerant Substances 0.000 claims abstract description 24
- 238000004378 air conditioning Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 15
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model discloses a heat pump air conditioner heat management system, which belongs to the technical field of automobile air conditioners and comprises a compressor, a first electromagnetic three-way valve, a second electromagnetic three-way valve, a first electromagnetic expansion valve, a second electromagnetic expansion valve, an indoor heat exchanger and an outdoor heat exchanger; the outlet of the compressor is connected with a valve port A of the second electromagnetic three-way valve, a valve port B of the second electromagnetic three-way valve is connected with a valve port A of the first electromagnetic three-way valve and one end of the outdoor heat exchanger, a valve port C of the second electromagnetic three-way valve is connected with the other end of the indoor heat exchanger and a valve port C of the first electromagnetic three-way valve, a first electromagnetic expansion valve inlet is connected with one end of the outdoor heat exchanger, a first electromagnetic expansion valve inlet is also connected with a second electromagnetic expansion valve outlet, and a second electromagnetic expansion valve inlet is connected with one end of the indoor heat exchanger. The utility model can reduce the volume of the air conditioning box and increase the space utilization rate of the cockpit; shortens the refrigerant flow path and increases the refrigerating effect.
Description
Technical Field
The utility model belongs to the technical field of automobile air conditioners, and particularly relates to a heat pump air conditioner thermal management system.
Background
At present, a four-way reversing valve is generally adopted in a heat pump air-conditioning system on an automobile to realize the reversing of a refrigerant during the exchange of refrigerating and heating working conditions. The four-way reversing valve control loop can be used for simplifying the air conditioning loop, but is limited to technical reasons, the service performance of the four-way reversing valve is unstable, reversing delay, reversing inadequacy and the like often occur, so that problems of internal leakage and series flow of a refrigerant in an air conditioning system are caused, and therefore, the test result of an electromagnetic four-way reversing valve carried real vehicle can not meet the requirements temporarily.
The prior art air conditioner heat pump system has the heat exchange function that a condenser and an evaporator are integrated in an air conditioner box and air conditioner refrigerating and heating are carried out through an outdoor heat exchanger. When refrigerating, the refrigerant can flow into the indoor condenser and then into the outdoor heat exchanger, so that the refrigerant flow path is long, and the refrigerating efficiency is affected. In the existing heat pump air conditioning technology, most schemes are a whole vehicle heat management system rather than an independent air conditioning heat pump system, a control loop of a lower air conditioning heat pump subsystem is relatively complex, and selected parts are relatively more.
The heat pump air conditioning system in the prior art generally utilizes a scheme of integrating a condenser and an evaporator in an air conditioning box, and because the indoor condenser and the evaporator are arranged in the air conditioning box together, the air conditioning box body is large in size and heavy in weight, and the refrigerating effect of the air conditioner can be influenced when the air conditioning system performs refrigerating operation. Meanwhile, when refrigeration is carried out, the refrigerant can flow into the indoor condenser and then into the outdoor heat exchanger, so that the refrigerant flow path is longer, and the refrigeration efficiency is affected. On the other hand, in the scheme of utilizing the existing electromagnetic four-way reversing valve, the electromagnetic four-way reversing valve cannot make a four-way reversing electromagnetic valve capable of being accurately controlled due to the deficiency of the current level of domestic suppliers, so that mass production cannot be realized temporarily.
Disclosure of Invention
The utility model aims to provide a heat pump air conditioner thermal management system which can reduce the volume of an air conditioner box and increase the space position utilization rate of a cockpit; the refrigerant flow path is shortened, and the refrigerating effect is increased; and the mass production feasibility of the heat pump air conditioner thermal management system is improved by utilizing the mass produced air conditioner components.
In order to achieve the above purpose, the utility model provides a heat pump air conditioner heat management system, which comprises a compressor, a first electromagnetic three-way valve, a second electromagnetic three-way valve, a first electromagnetic expansion valve, a second electromagnetic expansion valve, an indoor heat exchanger and an outdoor heat exchanger; the outlet of the compressor is connected with a valve port A of the second electromagnetic three-way valve, a valve port B of the second electromagnetic three-way valve is connected with a valve port A of the first electromagnetic three-way valve and one end of the outdoor heat exchanger, a valve port C of the second electromagnetic three-way valve is connected with the other end of the indoor heat exchanger and a valve port C of the first electromagnetic three-way valve, a first electromagnetic expansion valve inlet is connected with one end of the outdoor heat exchanger, a first electromagnetic expansion valve inlet is also connected with a second electromagnetic expansion valve outlet, and a second electromagnetic expansion valve inlet is connected with one end of the indoor heat exchanger.
Further, the device also comprises a gas-liquid separator, wherein the inlet of the gas-liquid separator is connected with the valve port B of the first electromagnetic three-way valve, and the outlet of the gas-liquid separator is connected with the inlet of the compressor.
Further, the indoor heat exchanger comprises a condenser and an evaporator.
Further, a pressure sensor is arranged on the refrigerant pipeline between the outlet of the compressor and the valve port A of the second electromagnetic three-way valve.
Further, a first temperature sensor is arranged on a refrigerant pipeline between the valve port B of the second electromagnetic three-way valve and the outdoor heat exchanger.
Further, a second temperature sensor is arranged on the refrigerant pipeline between the indoor heat exchanger and the valve port C of the second electromagnetic three-way valve.
Compared with the prior art, according to the heat pump air conditioner thermal management system, the indoor heat exchanger comprises the condenser and the evaporator, the volume of the air conditioner box can be reduced, the space utilization rate of the automobile air conditioner system can be improved, the refrigerant flow path can be shortened, and the influence on the refrigerating effect caused by the simultaneous operation of the indoor condenser and the evaporator in the air conditioner box is eliminated.
The utility model cancels an electromagnetic four-way reversing valve, and is provided with a first electromagnetic three-way valve and a second electromagnetic three-way valve, and the first electromagnetic three-way valve and the second electromagnetic three-way valve are utilized for loop control, so that the heat pump air conditioner heat management system has mass production feasibility.
Drawings
FIG. 1 is a schematic illustration of a heat pump air conditioning thermal management system of the present utility model;
FIG. 2 is a schematic diagram of the circuit flow of the heat pump air conditioning thermal management system of the present utility model during cooling;
fig. 3 is a schematic circuit flow diagram of the heat pump air conditioning thermal management system of the present utility model when heating.
The main reference numerals illustrate:
1-a first electromagnetic three-way valve, 2-a gas-liquid separator, 3-a compressor, 4-a pressure sensor, 5-a second electromagnetic three-way valve, 6-a first temperature sensor, 7-an outdoor heat exchanger, 8-a first electromagnetic expansion valve, 9-a second electromagnetic expansion valve, 10-an indoor heat exchanger and 11-a second temperature sensor.
Detailed Description
The following detailed description of specific embodiments of the utility model is, but it should be understood that the utility model is not limited to specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.
Fig. 1 is a schematic diagram of a heat pump air conditioner thermal management system according to the present utility model, which includes a compressor 3, a first electromagnetic three-way valve 1, a second electromagnetic three-way valve 5, a first electromagnetic expansion valve 8, a second electromagnetic expansion valve 9, an indoor heat exchanger 10, and an outdoor heat exchanger 7; the outlet of the compressor 3 is connected with a valve port A of a second electromagnetic three-way valve 5, a valve port B of the second electromagnetic three-way valve 5 is connected with a valve port A of a first electromagnetic three-way valve 1 and one end of an outdoor heat exchanger 7, a valve port C of the second electromagnetic three-way valve 5 is connected with the other end of an indoor heat exchanger 10 and a valve port C of the first electromagnetic three-way valve 1, an inlet of a first electromagnetic expansion valve 8 is connected with one end of the outdoor heat exchanger 7, an inlet of the first electromagnetic expansion valve 8 is also connected with an outlet of a second electromagnetic expansion valve 9, and an inlet of the second electromagnetic expansion valve 9 is connected with one end of the indoor heat exchanger 10. The system of the utility model cancels the electromagnetic four-way reversing valve, and utilizes the electromagnetic three-way valve to carry out loop control, so that the system of the utility model has the feasibility of mass production.
In an embodiment of the present utility model, the air-liquid separator further comprises a gas-liquid separator 2, wherein an inlet of the gas-liquid separator 2 is connected with a valve port B of the first electromagnetic three-way valve, and an outlet of the gas-liquid separator 2 is connected with an inlet of the compressor 3.
In an embodiment of the present utility model, the indoor heat exchanger 10 includes a condenser and an evaporator, and the condenser and the evaporator are integrated into one indoor heat exchanger 10, so that the volume and weight of the air conditioning unit can be reduced, and the evaporation or condensation of the loop is performed by one indoor heat exchanger 10, so that the refrigerant flow path is short, and the influence on the refrigerating effect caused when the indoor condenser and the evaporator operate in the air conditioning unit simultaneously can be eliminated.
In one embodiment of the present utility model, a pressure sensor 4 is provided in the refrigerant line between the outlet of the compressor 3 and the valve port a of the second electromagnetic three-way valve 5.
In one embodiment of the present utility model, a first temperature sensor 6 is disposed on the refrigerant line between the valve port B of the second electromagnetic three-way valve and the outdoor heat exchanger 7; a second temperature sensor 11 is arranged on the refrigerant pipeline between the indoor heat exchanger 10 and the valve port C of the second electromagnetic three-way valve 5.
Fig. 2 is a schematic diagram of a loop flow direction of the heat pump air conditioner thermal management system of the present utility model when cooling, wherein the loop flow direction of the heat pump air conditioner thermal management system of the present utility model when cooling is as follows: the refrigerant flows out from the outlet end of the compressor 3, flows from the compressor 3 to the valve port A of the second electromagnetic three-way valve 5, closes the valve port C of the second electromagnetic three-way valve 5 and the valve port A of the first electromagnetic three-way valve 1, flows from the valve port B of the second electromagnetic three-way valve 5 to the outdoor heat exchanger 7, flows from the outdoor heat exchanger 7 to the first electromagnetic expansion valve 8, flows from the first electromagnetic expansion valve 8 to the second electromagnetic expansion valve 9, flows from the second electromagnetic expansion valve 9 to the indoor heat exchanger 10, flows from the indoor heat exchanger 10 to the valve port C of the first electromagnetic three-way valve 1, flows from the valve port B of the first electromagnetic three-way valve 1 to the inlet of the air-liquid separator 2, flows from the outlet of the air-liquid separator 2 to the compressor 3 to complete refrigerant flow refrigeration cycle, at this moment, absorbs heat by the indoor heat to serve as an indoor evaporator, and releases heat by the outdoor heat exchanger 7 to serve as an outdoor condenser.
Fig. 3 is a schematic diagram of a loop flow direction of the heat pump air conditioner thermal management system of the present utility model when heating, wherein the loop flow direction of the heat pump air conditioner thermal management system of the present utility model when heating is as follows: the refrigerant flows out from the outlet end of the compressor 3, flows from the compressor 3 to the valve port A of the second electromagnetic three-way valve 5, closes the valve port B of the second electromagnetic three-way valve 5 and the valve port C of the first electromagnetic three-way valve 1, flows from the valve port C of the second electromagnetic three-way valve 5 to the indoor heat exchanger 10, flows from the indoor heat exchanger 10 to the second electromagnetic expansion valve 9, flows from the second electromagnetic expansion valve 9 to the first electromagnetic expansion valve 8, flows from the first electromagnetic expansion valve 8 to the outdoor heat exchanger 7, flows from the outdoor heat exchanger 7 to the valve port A of the first electromagnetic three-way valve 1, flows from the valve port B of the first electromagnetic three-way valve 1 to the inlet of the air-liquid separator 2, flows from the outlet of the air-liquid separator 2 to the compressor 3 to complete refrigerant flow to the heating cycle, at this moment, the indoor heat exchanger 10 releases heat to serve as an indoor condenser, and the outdoor heat exchanger 7 absorbs heat to serve as an outdoor evaporator.
The heat pump air conditioner heat management system provided by the utility model utilizes the air conditioner box with integrated indoor evaporation and condensation, reduces the volume of the air conditioner box, lightens the weight of the air conditioner box, eliminates the influence of the indoor evaporator on the refrigerating effect during refrigeration, and reduces the refrigerant flow path. The system of the utility model adopts the electromagnetic three-way valve and other parts which can be used for mass production, and solves the problem that the four-way valve cannot be used for mass production due to the limitation of the technical level.
The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.
Claims (6)
1. The heat pump air conditioner thermal management system is characterized by comprising a compressor, a first electromagnetic three-way valve, a second electromagnetic three-way valve, a first electromagnetic expansion valve, a second electromagnetic expansion valve, an indoor heat exchanger and an outdoor heat exchanger; the outlet of the compressor is connected with a valve port A of the second electromagnetic three-way valve, a valve port B of the second electromagnetic three-way valve is connected with a valve port A of the first electromagnetic three-way valve and one end of the outdoor heat exchanger, a valve port C of the second electromagnetic three-way valve is connected with the other end of the indoor heat exchanger and a valve port C of the first electromagnetic three-way valve, a first electromagnetic expansion valve inlet is connected with one end of the outdoor heat exchanger, a first electromagnetic expansion valve inlet is also connected with a second electromagnetic expansion valve outlet, and a second electromagnetic expansion valve inlet is connected with one end of the indoor heat exchanger.
2. The heat pump air conditioner thermal management system of claim 1, further comprising a gas-liquid separator, an inlet of the gas-liquid separator being connected to the valve port B of the first electromagnetic three-way valve, an outlet of the gas-liquid separator being connected to the inlet of the compressor.
3. The heat pump air conditioning thermal management system according to claim 1 wherein said indoor heat exchanger comprises a condenser and an evaporator.
4. The heat pump air conditioner thermal management system according to claim 1, wherein a pressure sensor is provided on a refrigerant line between an outlet of the compressor and a valve port a of the second electromagnetic three-way valve.
5. The heat pump air conditioner thermal management system according to claim 1, wherein a first temperature sensor is provided on a refrigerant line between a valve port B of the second electromagnetic three-way valve and the outdoor heat exchanger.
6. The heat pump air conditioner thermal management system according to claim 1, wherein a second temperature sensor is provided on a refrigerant line between the indoor heat exchanger and the valve port C of the second electromagnetic three-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321785662.5U CN220517922U (en) | 2023-07-07 | 2023-07-07 | Heat pump air conditioner thermal management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321785662.5U CN220517922U (en) | 2023-07-07 | 2023-07-07 | Heat pump air conditioner thermal management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220517922U true CN220517922U (en) | 2024-02-23 |
Family
ID=89932878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321785662.5U Active CN220517922U (en) | 2023-07-07 | 2023-07-07 | Heat pump air conditioner thermal management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220517922U (en) |
-
2023
- 2023-07-07 CN CN202321785662.5U patent/CN220517922U/en active Active
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