CN211641758U - Air conditioning system and vehicle - Google Patents
Air conditioning system and vehicle Download PDFInfo
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- CN211641758U CN211641758U CN201921857982.0U CN201921857982U CN211641758U CN 211641758 U CN211641758 U CN 211641758U CN 201921857982 U CN201921857982 U CN 201921857982U CN 211641758 U CN211641758 U CN 211641758U
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Abstract
The utility model provides an air conditioning system and vehicle, include: the heat pump air conditioning unit comprises an outdoor heat exchanger and an indoor heat exchanger; the first cooling unit comprises a heat exchanger and a first electronic expansion valve which are sequentially connected with each other; the second cooling unit comprises a blower, an evaporator, a second electronic expansion valve and a three-way electromagnetic valve which are sequentially connected with one another; the first electronic expansion valve and the second electronic expansion valve are connected in series through a first pipeline, and the first pipeline is connected with the outdoor heat exchanger in parallel; the indoor heat exchanger is connected with the second pipeline in series, and the second pipeline is connected with the first pipeline in parallel. The utility model discloses in the time of the day air cooling, refrigerant in the three-way solenoid valve control vehicle gets into the evaporimeter after indoor heat exchanger, heaies up the space in the vehicle. The utility model discloses can need not to consume too much electric energy at intensification or cooling in-process to the continuation of driving mileage of car has been increased.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to air conditioning system and vehicle.
Background
With the continuous development of vehicle technology, the occupancy rate of the electric automobile in the vehicle is higher and higher.
At present, an air conditioning system in an electric vehicle only adopts a Positive Temperature Coefficient (PTC) for auxiliary heating, and a PTC thermistor is generally used as a main component. The PTC auxiliary heating comprises PTC auxiliary air heating and PTC auxiliary water heating, wherein the PTC auxiliary air heating and the PTC auxiliary water heating both require the heating power of the PTC thermistor to reach at least 3000 watts.
However, the air conditioning system in the electric vehicle only uses the PTC auxiliary heating, and the heating power required by the PTC auxiliary heating is large, so that the driving range of the vehicle is low.
Disclosure of Invention
In view of this, the present invention is directed to an air conditioning system and a vehicle, so as to solve the problem that the air conditioning system in an electric vehicle only uses PTC auxiliary heating, and the heating power required by the PTC auxiliary heating is large, resulting in a low driving range of the vehicle.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
in a first aspect, an air conditioning system is provided for a vehicle, comprising: a heat pump air conditioning unit, a first cooling unit, a second cooling unit, a first pipeline and a second pipeline, wherein,
the heat pump air conditioning unit comprises an outdoor heat exchanger and an indoor heat exchanger;
the first cooling unit comprises a heat exchanger and a first electronic expansion valve which are sequentially connected with each other;
the second cooling unit comprises a blower, an evaporator, a second electronic expansion valve and a three-way electromagnetic valve which are sequentially connected with one another;
the first electronic expansion valve and the second electronic expansion valve are connected in series through the first pipeline, and the first pipeline is connected with the outdoor heat exchanger in parallel;
the indoor heat exchanger is connected with the second pipeline in series, and the second pipeline is connected with the first pipeline in parallel.
Optionally, the first cooling unit further comprises a first solenoid valve,
the heat exchanger and the first electronic expansion valve are connected in series to form a series passage, and the three-way electromagnetic valve is connected with the series passage in series through the first electromagnetic valve.
Optionally, the heat pump air conditioning unit further comprises: a one-way valve is arranged on the upper end of the valve body,
the check valve and the indoor heat exchanger are connected in series through the second pipeline.
Optionally, the heat pump air conditioning unit further comprises a second solenoid valve,
the second electromagnetic valve is connected with the indoor heat exchanger in series through the second pipeline.
Optionally, the air conditioning system further includes a third pipeline, and the heat pump air conditioning unit further includes: an electric compressor, a liquid storage dryer and a third electromagnetic valve,
the electric compressor, the liquid storage dryer and the third electromagnetic valve are connected in series through the third pipeline.
Optionally, the air conditioning system further comprises a fourth pipeline, the heat pump air conditioning unit further comprises a fourth solenoid valve,
the fourth electromagnetic valve is connected with the liquid storage dryer in series through the fourth pipeline.
Optionally, the heat pump air conditioning unit further comprises: a condensing fan is arranged on the air outlet of the air conditioner,
the condensing fan is connected with the outdoor heat exchanger.
Optionally, the heat pump air conditioning unit further comprises: an electronic water pump, a liquid storage tank and a warm air core body,
the electronic water pump, the liquid storage tank and the warm air core body are sequentially connected to form a loop for circulating liquid.
Optionally, the heat pump air conditioning unit further comprises a heater,
the heater is installed between the indoor heat exchanger and the warm air core.
In a second aspect, a vehicle is provided comprising an air conditioning system as described in any of the above.
Compared with the prior art, air conditioning system and vehicle have following advantage:
the embodiment of the utility model provides an air conditioning system, when the weather is hot, three-way solenoid valve control gaseous refrigerant gets into in evaporimeter, air-blower and the heat exchanger, makes the refrigerant in the vehicle absorb the heat in the vehicle from the evaporimeter, cools down to the space in the vehicle; vice versa, during cold, the three-way electromagnetic valve controls the refrigerant in the vehicle to enter the evaporator after passing through the indoor heat exchanger, and the pressure of the gas reaching the heat exchanger is higher due to the accumulation effect of the evaporator on the heat gas, so that higher heat can be generated to heat the space in the vehicle. The utility model provides an air conditioning system can not use PTC auxiliary heating, need not to consume too much electric energy at intensification or cooling in-process, can increase the continuation of driving mileage of car.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural diagram of an air conditioning system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram illustrating an air conditioning system according to an embodiment of the present invention in a cooling function;
fig. 3 is a schematic structural diagram illustrating an air conditioning system according to an embodiment of the present invention in a heating function;
fig. 4 is a schematic structural diagram illustrating an air conditioning system according to an embodiment of the present invention when a heating function, a dehumidifying function, and a battery pack cooling function are performed simultaneously;
fig. 5 shows a schematic structural diagram of an air conditioning system according to an embodiment of the present invention when the air conditioning system is in the PTC auxiliary heating function.
Description of reference numerals:
101-outdoor heat exchanger, 102-indoor heat exchanger, 40-first pipeline, 50-second pipeline, 201-heat exchanger, 202-first electronic expansion valve, 301-blower, 302-evaporator, 303-second electronic expansion valve, 304-three-way solenoid valve, 203-first solenoid valve, 103-one-way valve, 104-second solenoid valve, 60-third pipeline, 105-electric compressor, 106-liquid storage drier, 107-third solenoid valve, 70-fourth pipeline, 108-fourth solenoid valve, 109-condensing fan, 110-electronic water pump, 111-liquid storage tank, 112-warm air core body, 113-heater.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Fig. 1 shows a schematic structural diagram of an air conditioning system provided by an embodiment of the present invention, which is applied to a vehicle, and as shown in fig. 1, the air conditioning system includes: a heat pump air conditioning unit (not shown), a first cooling unit (not shown), a second cooling unit (not shown), a first line 40 and a second line 50.
Among them, the heat pump air conditioning unit may include an outdoor heat exchanger 101 and an indoor heat exchanger 102;
the first cooling unit may include a heat exchanger 201 and a first electronic expansion valve 202, which are sequentially connected to each other.
The second cooling unit may include a blower 301, an evaporator 302, a second electronic expansion valve 303, and a three-way solenoid valve 304, which are sequentially connected to each other.
The first electronic expansion valve 202 and the second electronic expansion valve 303 may be connected in series via a first line 40, and the first line 40 may be connected in parallel with the outdoor heat exchanger 101.
The indoor heat exchanger 102 is connected to the second pipe 50, and the second pipe 50 is connected in parallel with the first pipe 40.
Among them, the heat exchanger is a device for transferring heat from a place having a high temperature to a place having a low temperature.
The evaporator is a device for exchanging heat with the outside air.
The first electronic expansion valve and the second electronic expansion valve can adjust the liquid supply amount of the evaporator according to a preset program.
In the embodiment of the utility model, when the weather is hot, the three-way electromagnetic valve controls the gaseous refrigerant to enter the evaporator, the blower and the heat exchanger, so that the refrigerant in the vehicle absorbs the heat in the vehicle from the evaporator to cool the space in the vehicle; vice versa, during cold, the three-way electromagnetic valve controls the refrigerant in the vehicle to enter the evaporator after passing through the indoor heat exchanger, and the pressure of the gas reaching the heat exchanger is higher due to the accumulation effect of the evaporator on the heat gas, so that higher heat can be generated to heat the space in the vehicle. The air conditioning system can be used for heating without the aid of PTC, excessive electric energy is not consumed in the temperature rising or reducing process, and the driving range of the automobile can be increased.
Next, the connection relationship and structure of the components of the air conditioning system will be described below with reference to the accompanying drawings.
As shown in fig. 1, the first cooling unit may further include a first solenoid valve 203, the heat exchanger 201 and the first electronic expansion valve 202 are connected in series and form a series passage, and a three-way solenoid valve 304 is connected in series with the series passage through the first solenoid valve 203.
Among them, the solenoid valve is a device for controlling the transfer of fluid. The embodiment of the utility model provides a do not restrict the kind and the model of solenoid valve.
The heat pump air conditioning unit may further include: the check valve 103, the check valve 103 and the indoor heat exchanger 102 are connected in series through the second pipe 50.
The embodiment of the utility model provides an in, the check valve can be the solenoid valve, also can be the check valve of other forms, the embodiment of the utility model provides a do not limit to this.
The heat pump air conditioning unit may further include a second solenoid valve 104, the second solenoid valve 104 being in series with the indoor heat exchanger 102 through the second conduit 50.
The air conditioning system may further include a third conduit 60; the heat pump air conditioning unit further comprises: the electric compressor 105, the receiver drier 106 and the third electromagnetic valve 107 are connected in series through a third pipeline 60.
The liquid storage dryer comprises a drying agent, can absorb residual moisture of a refrigerant, can filter impurities and protects the electric compressor.
The air conditioning system may further include a fourth conduit 70; the heat pump air conditioning unit further comprises: a fourth solenoid valve 108, the fourth solenoid valve 108 being in series with the receiver-drier 106 via the fourth line 70.
The heat pump air conditioning unit may further include: a condensing fan 109. The condensing fan 109 is connected to the outdoor heat exchanger 101.
The heat pump air conditioning unit also comprises an electronic water pump 110, a liquid storage tank 111 and a warm air core body 112, wherein the electronic water pump 110, the liquid storage tank 111 and the warm air core body 112 are sequentially connected to form a loop for circulating the circulating liquid.
The heat pump air conditioning unit may further include a heater 113, and the heater 113 is installed between the indoor heat exchanger 102 and the heater core 112.
The air conditioning system may further comprise at least four sets of sensor units, which may comprise a temperature sensor 801, which may be used to monitor temperature, and a pressure sensor 802, which may be used to monitor pressure.
In a preferred embodiment of the present invention, the three-way electromagnetic valve may include two electromagnetic valves, and certainly may also include other quantities of electromagnetic valves, specifically, may be determined according to business requirements, and the embodiment of the present invention does not limit this.
In an embodiment of the present invention, fig. 2 shows a schematic structural diagram of an air conditioning system provided by an embodiment of the present invention when the air conditioning system is in a refrigeration function, as shown in fig. 2, after a gas refrigerant applies work through the electric compressor 105, the gas refrigerant may become a high-temperature and high-pressure gas; the high-temperature and high-pressure gas can be changed into high-pressure and low-temperature liquid or a high-pressure and low-temperature gas-liquid mixture after being cooled by the heat exchanger 201; when the high-temperature low-pressure refrigerant passes through the first electronic expansion valve 202 and the second electronic expansion valve 303, the high-temperature low-pressure refrigerant can be changed into low-temperature low-pressure gas due to sudden pressure release; the low-temperature and low-pressure gaseous refrigerant can absorb heat in the vehicle from the evaporator 302, and the gaseous refrigerant can exchange heat with the water circulation circuit of the battery pack in the heat exchanger 201, so that the heat of the battery pack can be reduced; the gaseous refrigerant after absorbing heat may be re-sucked into the electric compressor 105 through the receiver/dryer 106, and then is circulated to cool the space in the vehicle. Wherein, by adjusting the on-off of the first electronic expansion valve 202 and the second electronic expansion valve 303, the flow control of the evaporator 302 and the heat exchanger 201 can be realized to realize the adjustment of the temperature of the space in the vehicle.
In another embodiment of the utility model, fig. 3 shows the utility model provides a structural schematic when air conditioning system is in the function of heating, as shown in fig. 3, when minimum temperature is more than or equal to-10 degrees centigrade, can do work through the compressor in order to produce the heat, accomplish the rising to the temperature in the vehicle. The specific process can comprise the following steps: after the gas refrigerant performs work through the electric compressor 105, the gas refrigerant can be changed into high-temperature and high-pressure gas; and controls the three-way solenoid valve 304 to make the high-temperature and high-pressure gas pass through the indoor heat exchanger 102; the heat of the indoor heat exchanger 102 is transferred to the warm air core through the heating circulation loop to achieve an increase in temperature within the vehicle. The high-temperature high-pressure gas enters the evaporator 302 after passing through the indoor heat exchanger 102, the pressure of the high-temperature high-pressure gas is higher due to the accumulation effect of the evaporator, and more heat is generated; after passing through the restriction of the second electronic expansion valve 303, the high-temperature and high-pressure gas may be changed into a low-temperature and low-pressure gas, and the low-temperature and low-pressure gas may flow into the outdoor heat exchanger 101 to absorb heat in the vehicle and then flow back to the electric compressor 105.
In another embodiment of the present invention, fig. 4 shows a schematic structural diagram of an air conditioning system provided by an embodiment of the present invention when the heating function, the dehumidifying function and the battery pack cooling function are performed simultaneously, as shown in fig. 4, after the gas refrigerant applies work through the electric compressor 105, the gas refrigerant may become high-temperature and high-pressure gas; and the three-way electromagnetic valve 304 is controlled to enable the high-temperature and high-pressure gas to pass through the indoor heat exchanger 102, and then pass through the heating circulation loop to transmit the heat of the indoor heat exchanger 102 to the warm air core body, so that the temperature in the vehicle is improved; the gas refrigerant can be changed into low-temperature and low-pressure liquid or gas-liquid mixture through the heat radiation effect of the outdoor heat exchanger 101, and then is subjected to flow limiting regulation by the evaporator 302 and the second electronic expansion valve 303, so that indoor dehumidification is realized, and the utilization rate of heat can be improved; the low-temperature low-pressure liquid or the gas-liquid mixture passes through the heat exchanger 201 and the first electronic expansion valve 202 for flow limiting adjustment, so that the heat dissipation function of the battery pack is realized, and the battery pack can be maintained in a specified temperature range; the refrigerant may be passed through the receiver drier 106 and then sucked into the motor-driven compressor 105 again.
In another embodiment of the present invention, fig. 5 shows a schematic structural diagram of an air conditioning system when it is in the PTC auxiliary heating function, as shown in fig. 5, when the lowest temperature is less than-10 degrees centigrade, the PTC auxiliary heating can be adopted, and then the heat generated by the PTC is passed through the heating circulation loop to realize the temperature increase in the vehicle. Because PTC auxiliary heating is a common heating function, so the embodiment of the utility model discloses do not do the detailing to its heating principle.
In the embodiment of the utility model, when the weather is hot, the three-way electromagnetic valve controls the gaseous refrigerant to enter the evaporator, the blower and the heat exchanger, so that the refrigerant in the vehicle absorbs the heat in the vehicle from the evaporator to cool the space in the vehicle; vice versa, during cold, the three-way electromagnetic valve controls the refrigerant in the vehicle to enter the evaporator after passing through the indoor heat exchanger, and the pressure of the gas reaching the heat exchanger is higher due to the accumulation effect of the evaporator on the heat gas, so that higher heat can be generated to heat the space in the vehicle. The air conditioning system can be used for heating without the aid of PTC, excessive electric energy is not consumed in the temperature rising or reducing process, and the driving range of the automobile can be increased.
The embodiment of the utility model provides a vehicle is still provided, including fig. 1 to fig. 5 arbitrary air conditioning system.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An air conditioning system applied to a vehicle, comprising: a heat pump air conditioning unit, a first cooling unit, a second cooling unit, a first pipeline and a second pipeline, wherein,
the heat pump air conditioning unit comprises an outdoor heat exchanger and an indoor heat exchanger;
the first cooling unit comprises a heat exchanger and a first electronic expansion valve which are sequentially connected with each other;
the second cooling unit comprises a blower, an evaporator, a second electronic expansion valve and a three-way electromagnetic valve which are sequentially connected with one another;
the first electronic expansion valve and the second electronic expansion valve are connected in series through the first pipeline, and the first pipeline is connected with the outdoor heat exchanger in parallel;
the indoor heat exchanger is connected with the second pipeline in series, and the second pipeline is connected with the first pipeline in parallel.
2. The air conditioning system of claim 1, wherein the first cooling unit further comprises a first solenoid valve,
the heat exchanger and the first electronic expansion valve are connected in series to form a series passage, and the three-way electromagnetic valve is connected with the series passage in series through the first electromagnetic valve.
3. The air conditioning system of claim 1, wherein the heat pump air conditioning unit further comprises: a one-way valve is arranged on the upper end of the valve body,
the check valve and the indoor heat exchanger are connected in series through the second pipeline.
4. The air conditioning system of claim 3, wherein the heat pump air conditioning unit further comprises a second solenoid valve,
the second electromagnetic valve is connected with the indoor heat exchanger in series through the second pipeline.
5. The air conditioning system of claim 4, further comprising a third circuit, the heat pump air conditioning unit further comprising: an electric compressor, a liquid storage dryer and a third electromagnetic valve,
the electric compressor, the liquid storage dryer and the third electromagnetic valve are connected in series through the third pipeline.
6. The air conditioning system of claim 5, further comprising a fourth line, the heat pump air conditioning unit further comprising a fourth solenoid valve,
the fourth electromagnetic valve is connected with the liquid storage dryer in series through the fourth pipeline.
7. The air conditioning system of claim 1, wherein the heat pump air conditioning unit further comprises: and the condensing fan is connected with the outdoor heat exchanger.
8. The air conditioning system of any of claims 1-7, wherein the heat pump air conditioning unit further comprises: an electronic water pump, a liquid storage tank and a warm air core body,
the electronic water pump, the liquid storage tank and the warm air core body are sequentially connected to form a loop for circulating liquid.
9. The air conditioning system of claim 8, wherein the heat pump air conditioning unit further comprises a heater mounted between the indoor heat exchanger and the heater core.
10. A vehicle characterized by comprising an air conditioning system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921857982.0U CN211641758U (en) | 2019-10-31 | 2019-10-31 | Air conditioning system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921857982.0U CN211641758U (en) | 2019-10-31 | 2019-10-31 | Air conditioning system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211641758U true CN211641758U (en) | 2020-10-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921857982.0U Active CN211641758U (en) | 2019-10-31 | 2019-10-31 | Air conditioning system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211641758U (en) |
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2019
- 2019-10-31 CN CN201921857982.0U patent/CN211641758U/en active Active
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