CN109291761A - A kind of electric automobile heat-pump air-conditioning system - Google Patents
A kind of electric automobile heat-pump air-conditioning system Download PDFInfo
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- CN109291761A CN109291761A CN201811334048.0A CN201811334048A CN109291761A CN 109291761 A CN109291761 A CN 109291761A CN 201811334048 A CN201811334048 A CN 201811334048A CN 109291761 A CN109291761 A CN 109291761A
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- heat exchanger
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- conditioning system
- water cooling
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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
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
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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
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/14—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit
- B60H1/143—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit the heat being derived from cooling an electric component, e.g. electric motors, electric circuits, fuel cells or batteries
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention relates to electric vehicle engineering field more particularly to a kind of electric automobile heat-pump air-conditioning systems.The air-conditioning system includes: heat pump air conditioner unit comprising heats circuit by the enhancing that motor compressor, interior condenser, vehicle external heat exchanger, water cooling heat exchanger and gas-liquid separator are connected in sequence；Electric control cooling unit comprising heat recovery circuit more than the electric control be connected in sequence by the first electronic water pump, water cooling heat exchanger, motor and electric machine controller and the first expansion tank.Water cooling heat exchanger is arranged simultaneously to be heated more than circuit and electric control in heat recovery circuit in enhancing, after first coolant liquid absorbs the heat in motor and electric machine controller, heat exchange is carried out with refrigerant in water cooling heat exchanger, the refrigerant after absorbing heat flows in enhancing heating circuit again.The setting of water cooling heat exchanger has fully absorbed the waste heat of electric control, further improves the heating performance of air-conditioning system.
Description
Technical field
The present invention relates to electric vehicle engineering field more particularly to a kind of electric automobile heat-pump air-conditioning systems.
Background technique
Nowadays electric car using more and more extensive, in order to pursue more comfortable environment inside car, in electric car
Air-conditioning system is most important.Heat pump air conditioning system is energy-efficient, changes in temperature one, can meet well electric car safety and
Comfort requirement.Especially under the trend of energy-saving and emission-reduction, electric automobile heat-pump air-conditioning system has become the emphasis of each research institution
Development object.
In the prior art, the heat pump air conditioning system of electric car can realize that refrigeration, heating and dehumidifying etc. are each substantially
A mode.In the entire air-conditioning system operational process of electric car, the motor and electric machine controller of automobile are during the work time
Heat can be generated, vehicle external heat exchanger can only absorb heat as evaporator from external environment, and the heat absorbed can be with the external world
Environment temperature reduce and reduces, therefore motor and electric machine controller generation waste heat do not utilized well, cause be
The decline of controlling hot property.
It is unable to fully utilize electricity in the prior art it is, therefore, desirable to provide a kind of electric automobile heat-pump air-conditioning system is able to solve
The problem of waste heat that the motor and electric machine controller of electrical automobile generate.
Summary of the invention
Based on the above, the purpose of the present invention is to provide a kind of electric automobile heat-pump air-conditioning systems, can be sufficiently sharp
The waste heat generated with the motor and electric machine controller of electric car, improves energy utilization rate, to further improve system heating
Performance.
In order to achieve the above object, the invention adopts the following technical scheme:
A kind of electric automobile heat-pump air-conditioning system is provided, comprising:
Heat pump air conditioner unit comprising be in turn connected to form the motor compressor in enhancing heating circuit, interior condenser, the
One throttle valve, vehicle external heat exchanger, water cooling heat exchanger, the first two-way valve and gas-liquid separator；
Electric control cooling unit comprising be in turn connected to form the first electronic water of heat recovery circuit more than electric control
Pump, the water cooling heat exchanger, motor and electric machine controller and the first expansion tank, the first coolant liquid is more than the electric control
Heat recovery circuit flowing.
As a kind of preferred embodiment of electric automobile heat-pump air-conditioning system, the water cooling heat exchanger and the motor and motor
The first threeway electronics water valve is additionally provided between controller, for controlling whether first coolant liquid flows through the water cooling heat exchange
Device, two input ends of the first threeway electronics water valve connect with the water cooling heat exchanger and first electronic water pump respectively
It connects, the outlet end of the first threeway electronics water valve is connect with the motor and electric machine controller.
As a kind of preferred embodiment of electric automobile heat-pump air-conditioning system, the vehicle external heat exchanger and the water cooling heat exchanger
Between be provided with triple valve, for controlling whether refrigerant flows through the water cooling heat exchanger.
As a kind of preferred embodiment of electric automobile heat-pump air-conditioning system, the heat pump air conditioner unit further includes second liang logical
Valve, second throttle and interior evaporator, it is the motor compressor, the interior condenser, second two-way valve, described
Vehicle external heat exchanger, the triple valve, the water cooling heat exchanger, the second throttle, the interior evaporator and the gas
Liquid/gas separator is in turn connected to form the enhancing refrigerating circuit of the heat pump air conditioner unit.
As a kind of preferred embodiment of electric automobile heat-pump air-conditioning system, second two-way valve and the first throttle valve
It is arranged in parallel, when system is in enhancing heating mode, second two-way valve is closed, and the first throttle valve is opened, described
First two-way valve and the second throttle are arranged in parallel, and the second throttle and the interior evaporator series work as system
When in enhancing heating mode, the second throttle is closed, and first two-way valve is opened.
As a kind of preferred embodiment of electric automobile heat-pump air-conditioning system, the structure type of the water cooling heat exchanger is double fluid
Body flow passage structure.
As a kind of preferred embodiment of electric automobile heat-pump air-conditioning system, also set in heat recovery circuit more than the electric control
It is equipped with low-temperature radiator and whether flows through the second threeway electronic water of the low-temperature radiator for adjusting first coolant liquid
The input end of valve, the second threeway electronics water valve is connect with the motor and electric machine controller, the two or the three three-way motor water
Two outlet ends of valve are connect with first expansion tank and the low-temperature radiator respectively, first expansion tank and institute
State low-temperature radiator connection.
As a kind of preferred embodiment of electric automobile heat-pump air-conditioning system, the vehicle external heat exchanger, the interior evaporator
And the air inlet of the interior condenser is provided with sensor, controller obtains the data of the sensor detection and control
Adjust the mode and effect of interior air-conditioning system.
As a kind of preferred embodiment of electric automobile heat-pump air-conditioning system, the side of the vehicle external heat exchanger is provided with first
The side of blower, the car evaporator is provided with the second blower.
As a kind of preferred embodiment of electric automobile heat-pump air-conditioning system, the heat pump air conditioner unit further includes gas heating
Device and temperature damper, between the interior evaporator and the interior condenser, the gas adds for the temperature damper setting
The other side of the interior condenser is arranged in hot device.
The invention has the benefit that
The heat pump air conditioning system of electric car provided by the invention, water cooling heat exchanger simultaneously be arranged enhancing heating circuit and
More than electric control in heat recovery circuit, refrigerant and the first coolant liquid flow in the different runners of water cooling heat exchanger, and first is cold
But after liquid absorbs the heat in motor and electric machine controller, heat exchange is carried out with refrigerant in water cooling heat exchanger, absorbs heat
Refrigerant afterwards flows in enhancing heating circuit again.Water cooling heat exchanger is arranged sufficiently by the motor of electric car and motor control
The waste heat that device processed generates during the work time is transformed into the enhancing heating circuit of interior air-conditioning, further improves electric car
The heating performance of air-conditioning system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the electric automobile heat-pump air-conditioning system that the specific embodiment of the invention provides；
Fig. 2 is the structural schematic diagram of heat pump air conditioner unit in Fig. 1；
Fig. 3 is the schematic illustration for enhancing heating mode in Fig. 2；
Fig. 4 is the schematic illustration of normal refrigeration mode in Fig. 2；
Fig. 5 is the schematic illustration for enhancing refrigeration mode in Fig. 2；
Fig. 6 is the schematic illustration of refrigerated dehumidification mode in Fig. 2；
Fig. 7 is the schematic illustration that dehumidification mode is heated in Fig. 2；
Fig. 8 is the schematic illustration of deice mode in Fig. 2.
In figure:
1, motor compressor；2, interior condenser；3, the second two-way valve；4, first throttle valve；5, vehicle external heat exchanger；6, three
Port valve；7, the first two-way valve；8, second throttle；9, third throttle valve；10, gas-liquid separator；11, interior evaporator；12, gas
Body heater；13, the second blower；14, temperature damper；15, the first blower；16, air-conditioning box；17, the first electronic water pump；18, water
Cold heat exchanger；19, the first threeway electronics water valve；20, the second threeway electronics water valve；21, low-temperature radiator；22, the first swelling water
Pot；23, the second electronic water pump；24, battery cooler；25, liquid heater；26, battery pack；27, the second expansion tank.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of embodiment is shown in the accompanying drawings, wherein identical from beginning to end
Or similar label indicates same or similar element or element with the same or similar functions.It is retouched below with reference to attached drawing
The embodiment stated is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
With reference to the accompanying drawing and pass through specific embodiment to further illustrate the technical scheme of the present invention.
The present embodiment provides a kind of electric automobile heat-pump air-conditioning systems, as shown in Figure 1 comprising heat pump air conditioner unit and electricity
Electrical Control cooling unit.Include enhancing heating circuit in heat pump air conditioner unit, includes electric control waste heat in electric control unit
Circuit is recycled, water cooling heat exchanger 18 is arranged in two circuits simultaneously, convenient for by the heat transfer in electric control cooling unit
Into heat pump air conditioner unit.
Specifically, as shown in Fig. 2, above-mentioned heat pump air conditioner unit include motor compressor 1,2, first liang of interior condenser it is logical
Valve 7, first throttle valve 4, vehicle external heat exchanger 5, triple valve 6, water cooling heat exchanger 18, the second two-way valve 3, second throttle 8, car
Evaporator 11, third throttle valve 9, battery cooler 24, gas-liquid separator 10, the first blower 15 and gas heater 12,
Two blowers 13 and temperature damper 14.Wherein, downstream, the second blower 13, interior evaporator 11, temperature damper 14, vehicle are from upstream to
Inner condenser 2 and gas heater 12 are sequentially arranged in inside air-conditioning box 16.
Specifically, the exit of interior condenser 2 is connected with is formed by the second two-way valve 3 and first throttle valve 4 are in parallel
Valve group；The exit of water cooling heat exchanger 18 is connected with to be made of the first two-way valve 7 and second throttle 8 and interior evaporator 11
Two branches, flow through the refrigerants of two branches and motor compressor 1 finally passed back by gas-liquid separator 10.It needs
Bright, when system is in enhancing heating mode, the second two-way valve 3 and second throttle 8 are closed, first throttle valve 4 and the
One two-way valve 7 is opened.
Fig. 3 is working principle diagram when heat pump air conditioner unit is in enhancing heating mode, and wherein refrigerant is followed the arrow
Enhancing heating circuit flowing.Temperature damper 14 in air-conditioning box 16 acts, and the wind in air-conditioning box 16 is by 2 He of interior condenser
Gas heater 12, the second two-way valve 3 are closed, and the first two-way valve 7 is opened, and triple valve 6, which is opened, to be adjusted, and gas heater 12 is opened
It adjusts.After refrigerant is discharged by motor compressor 1, heat release is carried out at condenser 2 in the car, then throttle via first throttle valve 4
After enter vehicle external heat exchanger 5, refrigerant, which is absorbed at vehicle external heat exchanger 5 in environment, flows through triple valve 6 after heat, then exists again
It further absorbs heat at water cooling heat exchanger 18, passes back into motor compressor 1 finally by the first two-way valve 7 and gas-liquid separator 10.
It should be noted that in the triple valve 6 of 18 entrance of water cooling heat exchanger arrangement, for adjusting whether refrigerant flows through water cooling heat exchange
Device 18, when refrigerant reaches triple valve 6, if directly gentle by the first two-way valve 7 without water cooling heat exchanger 18
Liquid/gas separator 10 passes back into motor compressor 1, and this mode is common heating mode.
As shown in Figure 1, the heat recovery circuit flowing more than the above-mentioned electric control of the first coolant liquid.First coolant liquid is by the first electricity
After sub- water pump 17 is discharged, it is divided into two-way, is flowed directly to all the way to the first threeway electronics water valve 19, another way flows through water cooling heat exchanger
The first threeway electronics water valve 19 is flow to after 18, the first threeway electronics water valve 19, which is opened, adjusts flow path, by the first threeway electronics water valve
First coolant liquid of 19 outflows is powered again followed by motor and electric machine controller and the second threeway electronics water valve the 20, the 2nd 3
Sub- water valve 20 exports to the first expansion tank 22 and divides for two-way, flows through low-temperature radiator 21 all the way, another way directly passes through cooling
Liquid pipeline is connected to the first expansion tank 22, and the first coolant liquid of two-way is after 22 entrance of the first expansion tank is collected by first
Expansion tank 22 is back to the first electronic water pump 17.Wherein, whether the first threeway electronics water valve 19 is for adjusting the first coolant liquid
Water cooling heat exchanger 18 is flowed through, the second threeway electronics water valve 20 is for adjusting whether the first coolant liquid flows through low-temperature radiator 21.
Specifically, water cooling heat exchanger 18 is two-fluid flow passage structure, has refrigerant flow path and cooling liquid flowing channel, facilitates system
Cryogen and coolant liquid exchange heat at water cooling heat exchanger 18.
It should be noted that the first coolant liquid is along Fig. 1 while enhancing heating circuit flowing of the refrigerant in Fig. 3
Electric control more than heat recovery circuit flowing and the first coolant liquid can absorb the heat in motor and electric machine controller, the two stream
When water cooled heat exchanger 18, refrigerant will absorb the heat in the first coolant liquid and take the heat to heat pump air conditioner unit
In.
Electric automobile heat-pump air-conditioning system provided in this embodiment, heat pump air conditioner unit according to interior external environment temperature and
Temperature, pressure situation progress mode tuning also wraps other than above-mentioned enhancing heating mode when humidity value and system are run
Include normal refrigeration mode, enhancing refrigeration mode, refrigerated dehumidification mode, heating five kinds of Working moulds of dehumidification mode and deice mode
Formula.
Specifically, Fig. 4 is working principle diagram when heat pump air conditioner unit is in normal refrigeration mode, wherein the edge of refrigerant
Arrow indicates direction flowing.Temperature damper 14 in air-conditioning box 16 acts, and wind is without interior condenser 2 and gas heater
12, the second two-way valve 3 is opened, and the first two-way valve 7 is closed, and triple valve 6, which is opened, to be adjusted, and gas heater 12 does not work.Refrigerant
After being discharged by motor compressor 1, interior condenser 2 and the second two-way valve 3 are first flowed through, then passes through second throttle 8 and car
Evaporator 11 absorbs the heat in crew module in the car, passes back into electronic pressure finally by gas-liquid separator 10 at evaporator 11
Contracting machine 1.
Fig. 5 is working principle diagram when heat pump air conditioner unit is in enhancing refrigeration mode, and wherein refrigerant refers to along arrow
Show that direction is flowed.Temperature damper 14 in air-conditioning box 16 acts, and wind is without interior condenser 2 and gas heater 12, and second
Two-way valve 3 is opened, and the first two-way valve 7 is closed, and triple valve 6, which is opened, to be adjusted, and gas heater 12 does not work.Refrigerant is by electronic pressure
After contracting machine 1 is discharged, interior condenser 2 and the second two-way valve 3 are first flowed through, then enter water cooling after heat release at vehicle external heat exchanger 5
Further heat release at heat exchanger 18 absorbs at evaporator 11 multiply in the car then by second throttle 8 and interior evaporator 11
Heat in member cabin, passes back into motor compressor 1 finally by gas-liquid separator 10.
Fig. 6 is working principle diagram when heat pump air conditioner unit is in refrigerated dehumidification mode, and wherein refrigerant refers to along arrow
Show that direction is flowed.Temperature damper 14 in air-conditioning box 16 acts, and the wind part in air-conditioning box 16 is by interior condenser 2 and gas
Heater 12, the second two-way valve 3 are opened, and the first two-way valve 7 is closed, and triple valve 6, which is opened, to be adjusted, and gas heater 12, which is opened, to be adjusted
Section.After refrigerant is discharged by motor compressor 1, heat release is carried out at condenser 2 in the car, then flows through the second two-way valve 3 in vehicle
5 heat release at external heat exchanger throttles at second throttle 8 after passing through triple valve 6 and water cooling heat exchanger 18, the refrigeration after throttling
Agent evaporation endothermic at evaporator 11 in the car, passes back into motor compressor 1 finally by gas-liquid separator 10.
Fig. 7 is working principle diagram when heat pump air conditioner unit is in heating dehumidification mode, and wherein refrigerant refers to along arrow
Show that direction is flowed.Temperature damper 14 in air-conditioning box 16 acts, and the wind part in air-conditioning box 16 is by interior condenser 2 and gas
Heater 12, the second two-way valve 3 are closed, and the first two-way valve 7 is closed, and triple valve 6, which is opened, to be adjusted, and the work of gas heater 12 is adjusted
Section, 8 full-gear of second throttle, without restriction effect.After refrigerant is discharged by motor compressor 1, in the car at condenser 2
Heat release is carried out, the heat release at vehicle external heat exchanger 5 after first throttle valve 4 throttles is then flowed through, passes through triple valve 6 and changed in water cooling
By second throttle 8 after exchanging heat at hot device 18, flows through the refrigerant of second throttle 8 and evaporate at evaporator 11 in the car and inhale
Heat passes back into motor compressor 1 finally by gas-liquid separator 10.By the adjusting of 14 angle of temperature damper, dehumidifying effect is adjusted
Fruit.
Fig. 8 is working principle diagram when heat pump air conditioner unit is in deice mode, wherein the side of following the arrow of refrigerant
To flowing.Temperature damper 14 in air-conditioning box 16 acts, and the wind in air-conditioning box 16 is without interior condenser 2 and gas heater
12, the second two-way valve 3 is opened, and the first two-way valve 7 is closed, and triple valve 6, which is opened, to be adjusted, and gas heater 12 does not work.Refrigerant
After being discharged by motor compressor 1, heat release is carried out at vehicle external heat exchanger 5 and reaches deicing effect, is then successively changed again by water cooling
Hot device 18 and the first two-way valve 7 enter gas-liquid separator 10, and last refrigerant gas passes back into motor compressor 1.
It should be noted that the first blower 15 and the second blower 13 are to reinforce vehicle external heat exchanger 5, interior evaporator 11
And the heat dissipation of interior condenser 2, to prevent excessive temperature from influencing the normal work of heat pump air conditioner unit.The movement of temperature damper 14
Whether adjustable wind passes through interior condenser 2 and flows through its air volume, in conjunction with the second two-way valve 3, the first two-way valve 7
Open or close and triple valve 6 unlatching adjust carry out system running pattern switching.
In addition, the air inlet of vehicle external heat exchanger 5, interior evaporator 11 and interior condenser 2 is arranged with sensor.Its
In, surface temperature sensor and humidity sensor at vehicle external heat exchanger 5 are used for the temperature and humidity of collecting vehicle external environment, interior
The surface temperature sensor arranged at evaporator 11 is mainly used for monitoring the working condition of interior evaporator 11, interior condenser 2
The surface temperature sensor of place's arrangement is mainly used for monitoring the working condition of interior condenser 2, in addition, vehicle external heat exchanger 5 and vehicle
The exit of inner condenser 2 is arranged with temperature and pressure transmitter.Vehicle external heat exchanger 5 when being mainly used for acquiring heating mode operation
With the refrigerant condition in interior 2 exit of condenser.Pass through temperature sensor and temperature/pressure sensor acquisition system air side and system
The state of cryogen side, feedback arrives controller, by controller to the revolving speed of motor compressor 1, the aperture and gas of each throttle valve
The heating power of heater 12 is controlled, then cooperates the adjusting of two blowers to meet crew module's heating, cooling and deicing
Etc. demands.
Electric automobile heat-pump air-conditioning system provided in this embodiment further includes battery unit (being detailed in Fig. 1) comprising battery
Cooling heating circuit, the hollow arrow instruction direction flowing along figure of the second coolant liquid.Specifically, in battery unit, second is cold
But liquid first passes through the cooling liquid flowing channel and liquid heater 25 of battery cooler 24 after being discharged by the second electronic water pump 23, then
The cooling liquid flowing channel for passing through battery pack 26, finally by being back to the second electronic water pump 23 after the second expansion tank 27.Wherein,
The structural shape of battery cooler 24 is that microchannel is board-like, and is dual channel structure, in above-mentioned heat pump air conditioner unit, refrigerant from
After water cooling heat exchanger 18 flows out, in addition to flowing into as composed by the first two-way valve 7 and second throttle 8 and interior evaporator 11
Outside two branches, can also flow into and the Article 3 branch formed is connected by third throttle valve 9 and battery cooler 24, and refrigerant with
Second coolant liquid exchanges heat at battery cooler 24.In addition, the second cooling passage import and export of battery pack 26 is all provided with
It is equipped with temperature sensor, for acquiring the temperature of 26 the second coolant liquid of import and export of battery pack, and then adjusts the second electronic water pump
23 flow or the heating power of liquid heater 25.
It should be noted that heat pump air conditioner unit can run refrigeration mode, pass through temperature when outside air temperature is higher than 20 DEG C
18 cooling liquid outlet temperature of water cooling heat exchanger of sensor detection determines operation normal refrigeration mode or enhancing refrigeration mode, tool
Body, when refrigerant temperature is higher than the first coolant temperature, heat pump air conditioner unit operation enhancing refrigeration mode, conversely, then transporting
Row normal refrigeration mode；When outside air temperature is between 5 DEG C -15 DEG C, heat pump air conditioner unit switches to heating dehumidification mode, works as the external world
When temperature is between 15 DEG C -25 DEG C, heat pump air conditioner unit can switch to refrigerated dehumidification mode, and effect on moisture extraction can pass through temperature damper
14 opening angle is adjusted；When outside air temperature is between -10 DEG C -10 DEG C, heat pump air conditioner unit can run enhancing heating mould
Formula；When outer gas environment temperature is lower than -10 DEG C, heat pump air conditioner unit operation enhancing heating mode.
The electric automobile heat-pump air-conditioning system provided in the present embodiment passes through heat pump air conditioner unit, electric control cooling unit
Coupling operation fully ensured that electric car drive thermal comfort and safety.Water cooling heat exchanger 18 is arranged is enhancing simultaneously
More than heating circuit and electric control in heat recovery circuit, refrigerant and the first coolant liquid are in the different runners of water cooling heat exchanger 18
Flowing after the first coolant liquid absorbs the heat in motor and electric machine controller, carries out heat with refrigerant in water cooling heat exchanger 18
Exchange, the refrigerant after absorbing heat flow in enhancing heating circuit again.The setting of water cooling heat exchanger 18 is sufficiently by electronic vapour
The enhancing that the waste heat that the motor and electric machine controller of vehicle generate during the work time is transformed into interior heat pump air conditioner unit heats back
Lu Zhong further improves the heating performance of electric automobile air-conditioning system, and at the same time, the setting of water cooling heat exchanger 18 can also be with
Further increase the refrigeration performance of electric automobile air-conditioning system.
Note that the above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The industry
Technical staff it should be appreciated that the present invention is not limited to the above embodiments, what is described in the above embodiment and the description is only
Illustrate the principle of the present invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention,
These changes and improvements all fall within the protetion scope of the claimed invention, and claimed range of the invention is wanted by appended right
Ask book and its equivalent thereof.
Claims (10)
1. a kind of electric automobile heat-pump air-conditioning system characterized by comprising
Heat pump air conditioner unit comprising be in turn connected to form the motor compressor (1) in enhancing heating circuit, interior condenser (2),
First throttle valve (4), vehicle external heat exchanger (5), water cooling heat exchanger (18), the first two-way valve (7) and gas-liquid separator (10)；
Electric control cooling unit comprising be in turn connected to form the first electronic water pump of heat recovery circuit more than electric control
(17), the water cooling heat exchanger (18), motor and electric machine controller and the first expansion tank (22), the first coolant liquid is described in
Heat recovery circuit flows more than electric control.
2. electric automobile heat-pump air-conditioning system according to claim 1, which is characterized in that the water cooling heat exchanger (18) with
It is additionally provided with the first threeway electronics water valve (19) between the motor and electric machine controller, is for controlling first coolant liquid
No to flow through the water cooling heat exchanger (18), two input ends of the first threeway electronics water valve (19) are changed with the water cooling respectively
Hot device (18) and first electronic water pump (17) connection, the outlet end of the first threeway electronics water valve (19) and the motor
It is connected with electric machine controller.
3. electric automobile heat-pump air-conditioning system according to claim 1, which is characterized in that the vehicle external heat exchanger (5) and
Triple valve (6) are provided between the water cooling heat exchanger (18), for controlling whether refrigerant flows through the water cooling heat exchanger
(18)。
4. electric automobile heat-pump air-conditioning system according to claim 3, which is characterized in that the heat pump air conditioner unit also wraps
The second two-way valve (3), second throttle (8) and interior evaporator (11) are included, the motor compressor (1), the car are cold
Condenser (2), second two-way valve (3), the vehicle external heat exchanger (5), the triple valve (6), the water cooling heat exchanger (18),
The second throttle (8), the interior evaporator (11) and the gas-liquid separator (10) are in turn connected to form the heat
Pump the enhancing refrigerating circuit of air-conditioning unit.
5. electric automobile heat-pump air-conditioning system according to claim 4, which is characterized in that second two-way valve (3) and
The first throttle valve (4) is arranged in parallel, and when system is in enhancing heating mode, second two-way valve (3) is closed, described
First throttle valve (4) is opened, and first two-way valve (7) and the second throttle (8) are arranged in parallel, the second throttle
(8) it connects with the interior evaporator (11), when system is in enhancing heating mode, the second throttle (8) is closed, institute
State the first two-way valve (7) unlatching.
6. electric automobile heat-pump air-conditioning system according to claim 1-5, which is characterized in that the water cooling heat exchange
The structure type of device (18) is two-fluid flow passage structure.
7. electric automobile heat-pump air-conditioning system according to claim 1, which is characterized in that the electric control waste heat recycling
Low-temperature radiator (21) is additionally provided on circuit and for adjusting whether first coolant liquid flows through the low-temperature radiator
(21) the second threeway electronics water valve (20), the input end of the second threeway electronics water valve (20) and the motor and motor control
Device processed connection, two outlet ends of the second threeway electronics water valve (20) respectively with first expansion tank (22) and described
Low-temperature radiator (21) connection, first expansion tank (22) connect with the low-temperature radiator (21).
8. electric automobile heat-pump air-conditioning system according to claim 5, which is characterized in that the vehicle external heat exchanger (5), institute
The air inlet for stating interior evaporator (11) and the interior condenser (2) is provided with sensor, and controller obtains the biography
The data of sensor detection and the mode and effect for controlling to adjust interior air-conditioning system.
9. electric automobile heat-pump air-conditioning system according to claim 8, which is characterized in that the vehicle external heat exchanger (5)
Side is provided with the first blower (15), and the side of the car evaporator (11) is provided with the second blower (13).
10. electric automobile heat-pump air-conditioning system according to claim 9, which is characterized in that the heat pump air conditioner unit is also
Including gas heater (12) and temperature damper (14), temperature damper (14) setting is in the interior evaporator (11) and institute
It states between interior condenser (2), gas heater (12) setting is in the other side of the interior condenser (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811334048.0A CN109291761B (en) | 2018-11-09 | 2018-11-09 | Heat pump air conditioning system of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811334048.0A CN109291761B (en) | 2018-11-09 | 2018-11-09 | Heat pump air conditioning system of electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109291761A true CN109291761A (en) | 2019-02-01 |
| CN109291761B CN109291761B (en) | 2023-09-12 |
Family
ID=65146808
Family Applications (1)
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| CN201811334048.0A Active CN109291761B (en) | 2018-11-09 | 2018-11-09 | Heat pump air conditioning system of electric automobile |
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| CN110154677A (en) * | 2019-05-13 | 2019-08-23 | 北京汽车集团越野车有限公司 | Vehicle air conditioner and vehicle with it |
| CN110217070A (en) * | 2019-06-13 | 2019-09-10 | 深圳创维空调科技有限公司 | A kind of new-energy automobile heat management air-conditioning system |
| CN110254175A (en) * | 2019-07-22 | 2019-09-20 | 南京协众汽车空调集团有限公司 | A kind of new-energy automobile afterheat recovery type heat pump heat management device |
| CN110329035A (en) * | 2019-07-12 | 2019-10-15 | 奇瑞汽车股份有限公司 | Vehicle and its air-conditioning system |
| CN110588281A (en) * | 2019-08-31 | 2019-12-20 | 徐从余 | Electric automobile heat pump air conditioning system and electric automobile |
| CN112172457A (en) * | 2020-10-19 | 2021-01-05 | 重庆邮电大学 | Electric automobile waste heat recovery air conditioning system and control method |
| CN113725519A (en) * | 2021-08-31 | 2021-11-30 | 远景能源有限公司 | Liquid cooling system with dehumidification function |
| CN113815382A (en) * | 2021-09-29 | 2021-12-21 | 浙江吉利控股集团有限公司 | Electric automobile and heat pump air conditioning system thereof |
| CN114475149A (en) * | 2022-01-04 | 2022-05-13 | 奇瑞汽车股份有限公司 | Electric automobile heat pump system and electric automobile |
| CN114571952A (en) * | 2022-03-30 | 2022-06-03 | 美的集团(上海)有限公司 | Heat management system of automobile and automobile |
| WO2023169048A1 (en) * | 2022-03-10 | 2023-09-14 | 浙江银轮机械股份有限公司 | Vehicle thermal management system of new energy vehicle |
| WO2023197608A1 (en) * | 2022-04-13 | 2023-10-19 | 三一重机有限公司 | Integrated heat management system and method, and operation machinery |
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| CN110154677A (en) * | 2019-05-13 | 2019-08-23 | 北京汽车集团越野车有限公司 | Vehicle air conditioner and vehicle with it |
| CN110217070A (en) * | 2019-06-13 | 2019-09-10 | 深圳创维空调科技有限公司 | A kind of new-energy automobile heat management air-conditioning system |
| CN110329035A (en) * | 2019-07-12 | 2019-10-15 | 奇瑞汽车股份有限公司 | Vehicle and its air-conditioning system |
| CN110254175A (en) * | 2019-07-22 | 2019-09-20 | 南京协众汽车空调集团有限公司 | A kind of new-energy automobile afterheat recovery type heat pump heat management device |
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| CN114571952A (en) * | 2022-03-30 | 2022-06-03 | 美的集团(上海)有限公司 | Heat management system of automobile and automobile |
| CN114571952B (en) * | 2022-03-30 | 2023-11-03 | 美的集团(上海)有限公司 | Thermal management system of automobile and automobile |
| WO2023197608A1 (en) * | 2022-04-13 | 2023-10-19 | 三一重机有限公司 | Integrated heat management system and method, and operation machinery |
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