CN110254165A - A kind of heat pump and battery liquid cooling system - Google Patents
A kind of heat pump and battery liquid cooling system Download PDFInfo
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- CN110254165A CN110254165A CN201910505927.3A CN201910505927A CN110254165A CN 110254165 A CN110254165 A CN 110254165A CN 201910505927 A CN201910505927 A CN 201910505927A CN 110254165 A CN110254165 A CN 110254165A
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- heat exchanger
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/0075—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being solar radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00792—Arrangement of detectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
- B60H1/2218—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters controlling the operation of electric heaters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
- H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention relates to air-conditioning technical field more particularly to a kind of heat pumps and battery liquid cooling system.Heat pump and battery liquid cooling system of the invention, including air-conditioning box, outside temperature sensor, sunlight sensor, battery pack, entire car controller VCU, PT sensor a, PT sensor b, and normal solenoid valve 1, solenoid valve 2, four-way reversing valve, compressor, heating power expansion valve, electric expansion valve, external heat exchanger, air-conditioning box includes the pressure-air PTC containing auxiliary heating, interior heat exchanger and air blower, battery pack includes PTC and evaporator 2, heat pump and battery liquid cooling system can be passed through, it is completed at the same time refrigeration, heating and battery refrigerating function, reduce the energy consumption of on-board air conditioner, promote the heating efficiency of on-board air conditioner.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of heat pumps and battery liquid cooling system.
Background technique
With the development of technology, conventional heat pump type air-conditioning quilt is applied in automobile, using the most especially in electric car
Extensively, conventional heat pump type air-conditioning generally include to constitute the compressor of coolant loop, four-way valve, vehicle external heat exchanger, throttle valve and
Interior heat exchanger, when being freezed, interior heat exchanger is used as evaporator, when being heated, passes through four
The commutation of port valve uses interior heat exchanger as condenser.
What current electric vehicle air conditioning for automobiles substantially singly freezed, heating needs positive temperature coefficient heater (Positive
Temperature Coefficient, PTC) or water PTC completion, although also relating to four-way reversing valve in the prior art
Realize refrigeration and heating mode, but structure is complicated for such air-conditioning system, heating efficiency is low, and consumption is big.
Summary of the invention
In order to solve the above technical problems, realizing the invention proposes a kind of heat pump and battery liquid cooling system in different mode
Under effective control and combine the refrigeration of air-conditioning and battery, heating, dehumidifying well and change coordination under ice isotype
Operation, effectively reduces vehicle-mounted energy consumption.
Embodiment according to the present invention, the invention proposes a kind of heat pumps and battery liquid cooling system, including air-conditioning box, vehicle
Outer temperature sensor, sunlight sensor, battery pack, entire car controller VCU, PT sensor a, PT sensor b and normal solenoid valve
1, solenoid valve 2；It is characterized in that, the system also includes four-way reversing valves, compressor, heating power expansion valve, electric expansion valve, outer
Heat exchanger, the air-conditioning box include the pressure-air PTC containing auxiliary heating, interior heat exchanger and air blower, the battery pack
Including PTC and evaporator 2；
The outlet of the compressor is connected to via high pressure PT sensor with the D of four-way reversing valve mouth, and the four-way changes
It is connected to the one outlet of the E mouth of valve by PT sensor a with a side ports of the interior heat exchanger, described in another outlet warp
Solenoid valve 2 is connected to the battery pack, the S mouth of the four-way reversing valve via A/D converter and low pressure PT sensor with it is described
The entrance of compressor is connected to, and the C mouth of the four-way reversing valve is connected to a side ports of the external heat exchanger；
Another side ports of the interior heat exchanger are through the electric expansion valve, solenoid valve 1 and the heating power expansion valve and electricity
Chi Bao connection；
The system by the entire car controller VCU to the control of the compressor and four-way reversing valve realize refrigeration,
Heating, dehumidifying and change four kinds of modes of ice.
Preferably, it is described control refrigeration mode flow path specifically, the outlet of the compressor through the four-way reversing valve
D mouth outer heat exchanger is then flowed to by C mouth of the four-way reversing valve, then compressed via interior heat exchanger, A/D converter inflow
Machine, wherein under the refrigeration mode, the interior heat exchanger is evaporator, and outer heat exchanger is condenser.
Preferably, the refrigeration mode includes one or both of A/C refrigeration, battery refrigeration.
Preferably, when the battery under the refrigeration mode needs to freeze, the solenoid valve 1 and the thermal expansion are opened
Valve, meanwhile, the compressor rotary speed increases 1500rmp.
Preferably, it is described control heating mode flow path specifically, the outlet of the compressor through the four-way reversing valve
D mouth then by the four-way reversing valve E mouth flow in heat exchanger, then via external heat exchanger, A/D converter flow into compress
Machine, wherein under the heating mode, the interior heat exchanger is condenser, and outer heat exchanger is evaporator.
Preferably, the heating mode includes APTC heating, battery heating, wherein the battery heating is by the vehicle
Controller VCU controls the PTC and realizes, when heat pump is unable to reach set temperature, control APTC heating.
Preferably, the flow path of the control dehumidification mode is identical as the flow path under refrigeration mode, and temperature is not opened at 5 DEG C or less
Open compressor.
Preferably, the control dehumidification mode use with flow path identical under refrigeration mode, to open refrigerationization ice, together
The pressure-air PTC of heating is assisted then to close the coolant path of indoor evaporator when battery need to cool down described in Shi Kaiqi.
Preferably, it is respectively set at two the system also includes refrigerant side exhaust outlet, medium side gas outlet and positioned at this
Pt sensor.
Preferably, the air-conditioning box includes evaporating temperature sensor, vehicle interior temperature sensor.
Using technical solution of the present invention, there is following technical effect:
1. demand and difference that different air outlet temperature settings in different modes, may be implemented, which blow foot temperature, to be needed
It asks, and different circulation patterns can be used；
2. effectively reducing energy consumption.
Detailed description of the invention
Fig. 1 is that a kind of heat pump and battery liquid cooling system proposed by the present invention recycle schematic diagram；
Fig. 2 is a kind of heat pump and battery liquid cooling system refrigeration schematic diagram proposed by the present invention.
Fig. 3 is that a kind of heat pump and battery liquid cooling system proposed by the present invention heat schematic diagram.
Fig. 4 is a kind of heat pump and battery liquid cooling system dehumidifying schematic diagram proposed by the present invention.
Fig. 5 is a kind of heat pump and battery liquid cooling system ice schematic diagram proposed by the present invention.
Specific embodiment
A specific embodiment of the invention is explained in detail below in conjunction with attached drawing.
As shown in Figure 1, the invention proposes a kind of heat pump and battery liquid cooling system, including air-conditioning box, outside temperature sensing
Device, sunlight sensor, battery pack, entire car controller VCU, PT sensor a, PT sensor b, and often solenoid valve 1, solenoid valve 2；
It is characterized in that, the system also includes four-way reversing valve, compressor, heating power expansion valve, electric expansion valve, external heat exchanger, institute
Stating air-conditioning box includes the pressure-air PTC containing auxiliary heating, evaporating temperature sensor, vehicle interior temperature sensor, interior heat exchanger
And air blower, the battery pack include PTC and evaporator 2；The system also includes refrigerant side exhaust outlets, medium side gas outlet
And it is located at this respectively arranged pt sensor at two.
In an embodiment of the present invention, compressor is for driving refrigerant to flow inside pipeline, high pressure PT sensor with it is low
The pressure and temperature for pressing PT sensor acquisition compressor air suction mouth and exhaust outlet control four kinds of differences as entire car controller VCU
The foundation of caused compressor rotary speed, electric expansion valve, heating power expansion valve and DC fan, PWM air blower under mode.
The outlet of the compressor is connected to via high pressure PT sensor with the D of four-way reversing valve mouth, and the four-way changes
It is connected to the one outlet of the E mouth of valve by PT sensor a with a side ports of the interior heat exchanger, described in another outlet warp
Solenoid valve 2 is connected to the battery pack, the S mouth of the four-way reversing valve via A/D converter and low pressure PT sensor with it is described
The entrance of compressor is connected to, and the C mouth of the four-way reversing valve is connected to a side ports of the external heat exchanger；
Another side ports of the interior heat exchanger are through the electric expansion valve, solenoid valve 1 and the heating power expansion valve and electricity
Chi Bao connection；
The system by the entire car controller VCU to the control of the compressor and four-way reversing valve realize refrigeration,
Heating, dehumidifying and change four kinds of modes of ice, the entire car controller VCU is for inputting each signal and each control signal of output.
In figs. 1-5, comp is compressor, and EXV is electric expansion valve, and Four-way valve is four-way reversing valve, TXV
For heating power expansion valve, In-HEX is interior heat exchanger, and Out-HEX is external heat exchanger, and HPT-Sensor is high pressure Pt sensor, LPT-
Sensor is low pressure Pt sensor, and SOV is solenoid valve, and EVAP is evaporator, and COND is condenser, and HAPTC is pressure-air
PTC, Brower are air blower, and DUCT SENSOR is evaporating temperature sensor, and INSIDE SENSOR is vehicle interior temperature sensor,
OUTSIDE SENSOR is outside temperature sensor, and SUN SENSOR is sunlight sensor.
As shown in Fig. 2, the flow path of the control refrigeration mode is specifically, the outlet of the compressor commutates through the four-way
Then the D mouth of valve flows to outer heat exchanger by the C mouth of the four-way reversing valve, then flow into compression via interior heat exchanger, A/D converter
Machine, wherein under the refrigeration mode, the interior heat exchanger is evaporator, and outer heat exchanger is condenser.
The refrigeration mode includes one or both of A/C refrigeration, battery refrigeration.
When battery under the refrigeration mode needs to freeze, the solenoid valve 1 and the heating power expansion valve are opened, together
When, the compressor rotary speed increases 1500rmp.
In the present embodiment, different air outlet temperatures are realized under refrigeration mode, breathing point is temperature calibration position, is preferentially adopted
With interior circulation pattern, it may be necessary to use inside and outside mixed wind mode.
When battery needs air-cooled, control instruction is issued by entire car controller VCU, two solenoid valves are opened, are beaten simultaneously
Heating power expansion valve is opened, compressor rotary speed increases 1500rmp；If when in practical applications, only individually air-cooled to battery, compressor
Revolving speed is then 2400rmp, adjusts condenser fan speed by PWM.
In the system of the present embodiment, compressor exhaust temperature is no more than 110 DEG C, and pressure at expulsion is no more than 2.2MPa.A,
Compressor rotary speed range is 1100~5500rmp, and revolving speed is not easy excessively high, is easy to produce biggish noise.
As shown in figure 3, the flow path of the control heating mode is specifically, the outlet of the compressor commutates through the four-way
Then the D mouth of valve flows to interior heat exchanger by the E mouth of the four-way reversing valve, then flow into compression via external heat exchanger, A/D converter
Machine, wherein under the heating mode, the interior heat exchanger is condenser, and outer heat exchanger is evaporator.
The heating mode includes APTC heating, battery heating, wherein the battery heating is by the entire car controller
VCU controls the PTC and realizes, when heat pump is unable to reach set temperature, control PTC heating.
In the present embodiment, system control in a heating mode, realizes that difference blows foot temperature requirements, preferentially uses interior circulation
Inside and outside mixed wind can be used in mode when necessary, and step temperature is calibration position, adjusts condenser fan speed by PWM.Work as heat pump
When being unable to reach set temperature, PTC air heater APTC is opened, realizes heating.
As shown in figure 4, the flow path of the control dehumidification mode is identical as the flow path under refrigeration mode, temperature is at 5 DEG C or less
It is not turned on compressor.
In embodiments of the present invention, the mode to be worked using refrigeration+APTC, temperature are not turned on compressor at 5 DEG C or less,
Evaporator surface temperature under dehumidification mode is greater than 5 DEG C, and is lower than 2~4 DEG C of dew-point temperature, and different air outlet temperature may be implemented
The requirement for spending setting, under default mode, defrosting outlet temperature is 5 DEG C higher than environment temperature.
As shown in figure 5, the controlization ice mode use with flow path identical under refrigeration mode, to open refrigerationization
Ice, while the pressure-air PTC of the auxiliary heating is opened, when battery need to cool down, then the refrigerant for closing indoor evaporator is logical
Road.
It is obvious to a person skilled in the art that the embodiment of the present invention is not limited to the details of above-mentioned exemplary embodiment,
And without departing substantially from the spirit or essential attributes of the embodiment of the present invention, this hair can be realized in other specific forms
Bright embodiment.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this
The range of inventive embodiments is indicated by the appended claims rather than the foregoing description, it is intended that being equal for claim will be fallen in
All changes in the meaning and scope of important document are included in the embodiment of the present invention.It should not be by any attached drawing mark in claim
Note is construed as limiting the claims involved.Furthermore, it is to be understood that one word of " comprising " does not exclude other units or steps, odd number is not excluded for
Plural number.Multiple units, module or the device stated in system, device or terminal claim can also be by the same units, mould
Block or device are implemented through software or hardware.The first, the second equal words are used to indicate names, and are not offered as any specific
Sequence.
Finally it should be noted that embodiment of above is only to illustrate the technical solution of the embodiment of the present invention rather than limits,
Although the embodiment of the present invention is described in detail referring to the above better embodiment, those skilled in the art should
Understand, can modify to the technical solution of the embodiment of the present invention or equivalent replacement should not all be detached from the skill of the embodiment of the present invention
The spirit and scope of art scheme.
Claims (10)
1. a kind of heat pump and battery liquid cooling system, including air-conditioning box, outside temperature sensor, sunlight sensor, battery pack, vehicle
Controller VCU, PT sensor a, PT sensor b, and often solenoid valve 1, solenoid valve 2；It is characterized in that, the system also includes
Four-way reversing valve, compressor, heating power expansion valve, electric expansion valve, external heat exchanger, the air-conditioning box include containing auxiliary heating
Pressure-air PTC, interior heat exchanger and air blower, the battery pack include PTC and evaporator 2；
The outlet of the compressor is connected to via high pressure PT sensor with the D of four-way reversing valve mouth, the four-way reversing valve
The one outlet of E mouth be connected to a side ports of the interior heat exchanger by PT sensor a, another is exported through the electromagnetism
Valve 2 is connected to the battery pack, and the S mouth of the four-way reversing valve is via A/D converter and low pressure PT sensor and the compression
The entrance of machine is connected to, and the C mouth of the four-way reversing valve is connected to a side ports of the external heat exchanger；
Another side ports of the interior heat exchanger are through the electric expansion valve, solenoid valve 1 and the heating power expansion valve and battery pack
Connection；
The system by the entire car controller VCU to the control of the compressor and four-way reversing valve realize refrigeration, heating,
Dehumidifying and change four kinds of modes of ice.
2. a kind of heat pump according to claim 1 and battery liquid cooling system, which is characterized in that the control refrigeration mode
Flow path is specifically, then the outlet of the compressor is flowed to through the D of four-way reversing valve mouth by the C mouth of the four-way reversing valve
Outer heat exchanger, then compressor is flowed into via interior heat exchanger, A/D converter, wherein under the refrigeration mode, the interior heat exchanger
It is used as evaporator, outer heat exchanger is used as condenser.
3. a kind of heat pump according to claim 2 and battery liquid cooling system, which is characterized in that the refrigeration mode includes A/
One or both of C refrigeration, battery refrigeration.
4. a kind of heat pump according to claim 3 and battery liquid cooling system, which is characterized in that the electricity under the refrigeration mode
When pond needs to freeze, the solenoid valve 1 and the heating power expansion valve are opened, meanwhile, the compressor rotary speed increases
1500rmp。
5. a kind of heat pump according to claim 1 and battery liquid cooling system, which is characterized in that the control heating mode
Flow path is specifically, then the outlet of the compressor is flowed to through the D of four-way reversing valve mouth by the E mouth of the four-way reversing valve
Interior heat exchanger, then compressor is flowed into via external heat exchanger, A/D converter, wherein under the heating mode, the interior heat exchanger
It is used as condenser, outer heat exchanger is used as evaporator.
6. according to a kind of heat pump and battery liquid cooling system described in claim 5, which is characterized in that the heating mode includes APTC
Heating, battery heating, wherein the battery heating controls the PTC by the entire car controller VCU and realizes, when heat pump can not
When reaching set temperature, control APTC heating.
7. a kind of heat pump according to claim 1 and battery liquid cooling system, which is characterized in that the control dehumidification mode
Flow path is identical as the flow path under refrigeration mode, and temperature is not turned on compressor at 5 DEG C or less.
8. a kind of heat pump according to claim 1 and battery liquid cooling system, which is characterized in that the control dehumidification mode is adopted
With with flow path identical under refrigeration mode, to open refrigerationization ice, while opening the pressure-air PTC of the auxiliary heating,
When battery need to cool down, then the coolant path of indoor evaporator is closed.
9. a kind of heat pump according to claim 1 and battery liquid cooling system, which is characterized in that the system also includes refrigerants
Side exhaust outlet, medium side gas outlet and it is located at this respectively arranged pt sensor at two.
10. a kind of heat pump according to claim 1 and battery liquid cooling system, which is characterized in that the air-conditioning box includes steaming
Send out temperature sensor, vehicle interior temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910505927.3A CN110254165B (en) | 2019-06-12 | 2019-06-12 | Heat pump and battery liquid cooling system |
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|---|---|---|---|
| CN201910505927.3A CN110254165B (en) | 2019-06-12 | 2019-06-12 | Heat pump and battery liquid cooling system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193267A (en) * | 2021-06-08 | 2021-07-30 | 奇瑞商用车（安徽）有限公司 | Battery pack liquid cooling system and water temperature control method thereof |
| CN113203125A (en) * | 2021-06-04 | 2021-08-03 | 安徽江淮松芝空调有限公司 | Mould removing system and method for vehicle air conditioner evaporator |
| CN113782868A (en) * | 2021-09-10 | 2021-12-10 | 大连理工大学 | Novel electric automobile double-phase submergence formula liquid cooling system and cold start system |
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