CN107351618B - Automotive thermal tube manages system and electric car - Google Patents
Automotive thermal tube manages system and electric car Download PDFInfo
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- CN107351618B CN107351618B CN201610304283.8A CN201610304283A CN107351618B CN 107351618 B CN107351618 B CN 107351618B CN 201610304283 A CN201610304283 A CN 201610304283A CN 107351618 B CN107351618 B CN 107351618B
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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
-
- 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
- B60H1/00357—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
- B60H1/004—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for vehicles having a combustion engine and electric drive means, e.g. hybrid electric vehicles
-
- 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
- B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
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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
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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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
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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
- H01M10/66—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
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- 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)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of automotive thermal tube reason system and electric cars.It includes heat pump air conditioning system that automotive thermal tube, which manages system, battery pack heat-exchange system, engine-cooling system and the first plate heat exchanger, heat pump air conditioning system and engine-cooling system pass through the first plate heat exchanger respectively and battery pack heat-exchange system exchanges heat, heat pump air conditioning system includes indoor condenser, indoor evaporator, compressor and outdoor heat exchanger, the refrigerant inlet of first plate heat exchanger cools down the outlet of branch and outdoor heat exchanger via battery, or it is connected to the first end of the first end of the first branch and second branch, the refrigerant outlet of first plate heat exchanger is connected to via battery cooling for reflux branch with the entrance of compressor.As a result, in addition to the demand realizing interior refrigeration and heating, also has the function of battery cooling and heating, battery is made to work within the scope of suitable temperature always, improve battery efficiency, cruising ability and service life.
Description
Technical field
The present invention relates to the field of air conditioning of electric car, and in particular, to a kind of automotive thermal tube reason system and including the vapour
The electric car of vehicle heat management system.
Background technique
Guarantee that the battery efficiency of electric car is high, need suitable operating temperature, excessively high or height all can
It makes a big impact to its performance and cruising ability.The utility model patent that China Patent Publication No. is CN205039220U is public
A kind of automobile power cell cooling system is opened.Although the power battery cooling system can pass through evaporator to dynamic in refrigeration
Power battery is cooled down, and power battery is close together with evaporator and exchanges heat, although feasible in principle, but Che Shangnan
To realize, because evaporator, generally all in air conditioning box body, cabinet space is limited, and the power battery of pure electric automobile is very big,
It is typically disposed in vehicle bottom.
Summary of the invention
The object of the present invention is to provide a kind of automotive thermal tube reason system and electric cars, to solve the above problems.
To achieve the goals above, according to the first aspect of the invention, a kind of automotive thermal tube reason system, the automobile are provided
Heat management system includes heat pump air conditioning system, battery pack heat-exchange system, engine-cooling system and the first plate heat exchanger, described
Heat pump air conditioning system and the engine-cooling system are by first plate heat exchanger and battery pack heat exchange respectively
System heat exchange, the heat pump air conditioning system include indoor condenser, indoor evaporator, compressor and outdoor heat exchanger, the compression
The outlet of machine is connected to the entrance of the indoor condenser, the egress selection of the indoor condenser via first throttle branch
Road or the first through-flow branch are connected to the entrance of the outdoor heat exchanger, the egress selection of the outdoor heat exchanger via
Second throttling branch or the second through-flow branch with selectivity on or off the first branch first end be connected to and with selectivity
The first end of the second branch of on or off is connected to, and the second end of the first branch is connected to the entrance of the compressor,
The second end of the second branch is connected to the entrance of the indoor evaporator, the outlet of the indoor evaporator and the compression
The entrance of machine is connected to, and the refrigerant inlet of first plate heat exchanger cools down branch via the battery of selective on or off
With the outlet of the outdoor heat exchanger, or with the first end of the first end of the first branch and the second branch connect
Logical, the refrigerant outlet of first plate heat exchanger is connected to via battery cooling for reflux branch with the entrance of the compressor.
Optionally, first switch valve is provided in the first branch.
Optionally, second switch valve is provided in the second branch.
Optionally, the heat pump air conditioning system further include: the first triple valve, the egress selection of the outdoor heat exchanger
It is connected to via the second throttling branch or the second through-flow branch with the entrance of first triple valve, the first of first triple valve
Outlet is connected to the first end of the first branch, the second outlet of first triple valve and the first end of the second branch
Connection.
Optionally, the refrigerant inlet of first plate heat exchanger cools down branch via the battery of selective on or off
The outlet on road and the outdoor heat exchanger, and the first expansion valve is provided on the cooling branch road of the battery.
Optionally, the refrigerant inlet of first plate heat exchanger cools down branch via the battery of selective on or off
Road is connected to the first end of the first end of the first branch and the second branch, and in the cooling branch Lu Shangshe of the battery
It is equipped with flow valve.
Optionally, the first check valve is provided on the battery cooling for reflux branch road.
Optionally, the outlet of the indoor evaporator is connected to via second one-way valve with the entrance of the compressor.
Optionally, first plate heat exchanger is connected in the coolant circuit of the battery pack heat-exchange system, and
It is additionally provided in the coolant circuit and concatenated first water pump of first plate heat exchanger, deputy tank and battery pack.
Optionally, the engine-cooling system includes the second water pump, engine, indoor heater cores and the second threeway
The outlet of valve, second water pump is connected to the entrance of second triple valve, two of second triple valve go out respectively with
The entrance of the interior heater cores is connected to the engine coolant entrance of first plate heat exchanger, the interior warm wind
The outlet of core and the engine coolant outlet of first plate heat exchanger connect with the coolant inlet of the engine
Logical, the cooling liquid outlet of the engine is connected to the entrance of second water pump.
Optionally, the engine-cooling system further includes the first ptc heater and third triple valve, the interior warm wind
The outlet of core and the engine coolant outlet of first plate heat exchanger are connected to the entrance of the third triple valve,
The first outlet of the third triple valve is connected to the coolant inlet of the engine, the second outlet of the third triple valve
It is connected to the entrance of second water pump, the outlet and described second of second water pump is arranged in first ptc heater
Between the entrance of triple valve, or it is arranged between the entrance of second water pump and the second outlet of the third triple valve.
Optionally, the described first through-flow branch road is provided with third switch valve, and the first throttle branch road is provided with the
Two expansion valves.
Optionally, the heat pump air conditioning system further includes the first expansion switch valve, this first expansion switch valve entrance with
The outlet of the outlet of the interior condenser, the first expansion switch valve is connected to the entrance of the outdoor heat exchanger, institute
The throttling runner that first throttle branch is the first expansion switch valve is stated, the first through-flow branch expands for described first
Close the through-flow runner of valve.
Optionally, the described second through-flow branch road is provided with the 4th switch valve, and the second throttling branch road is provided with the
Three expansion valves.
Optionally, the automotive thermal tube reason system is applied to electric car, and the automotive thermal tube reason system further includes motor
Cooling system;The heat pump air conditioning system further include: the second plate heat exchanger, wherein the second plate heat exchanger setting exists
In the second through-flow branch, and second plate heat exchanger is arranged in the electromotor cooling system simultaneously.
Optionally, the outlet of the refrigerant inlet of second plate heat exchanger and the outdoor heat exchanger, it is described
The refrigerant outlet of second plate heat exchanger is connected to the entrance of the 4th switch valve.
Optionally, the electromotor cooling system include connect with second plate heat exchanger be formed into a loop motor,
Motor radiator and third water pump.
Optionally, the heat pump air conditioning system further includes the second expansion switch valve, this second expansion switch valve entrance with
The outlet of the outdoor heat exchanger, this second expansion switch valve outlet be connected to the first end of the first branch and with
The first end of the second branch is connected to, and the second throttling branch is the throttling runner of the second expansion switch valve, described
Second through-flow branch is the through-flow runner of the second expansion switch valve.
Optionally, the automotive thermal tube reason system is applied to electric car, and the automotive thermal tube reason system further includes motor
Cooling system;The heat pump air conditioning system further include: the second plate heat exchanger, wherein the refrigeration of second plate heat exchanger
The outlet of agent entrance and the second expansion switch valve, the refrigerant outlet of second plate heat exchanger and described first
The first end of branch is connected to and is connected to the first end of the second branch, and second plate heat exchanger is arranged simultaneously
In the electromotor cooling system.
Optionally, the electromotor cooling system includes motor coolant liquid main line, first motor coolant liquid branch and the second electricity
Machine coolant liquid branch, the first end on motor coolant liquid main line selectively with the first motor coolant liquid branch first
The connection of the first end of end or the second motor coolant liquid branch, the second end of the first motor coolant liquid branch and described the
The second end of two motor coolant liquid branches is connected to the second end on motor coolant liquid main line, wherein cooling in the motor
It is in series with motor, motor radiator and third water pump on liquid main line, is in series on the first motor coolant liquid branch road described
Second plate heat exchanger.
Optionally, the heat pump air conditioning system further includes gas-liquid separator, the outlet of the gas-liquid separator and the pressure
The entrance of contracting machine is connected to, the outlet of the entrance of the gas-liquid separator and the indoor evaporator, the first branch
Second end is connected to the entrance of the gas-liquid separator, and the refrigerant outlet of first plate heat exchanger is via the battery
Cooling for reflux branch is connected to the entrance of the gas-liquid separator.
Optionally, the heat pump air conditioning system further includes the second ptc heater, which is used for flowing through
The wind of the interior condenser is heated.
Optionally, second ptc heater is arranged in the windward side or leeward side of the indoor condenser.
According to the second aspect of the invention, a kind of electric car is provided, including what is provided according to the first aspect of the invention
The automotive thermal tube manages system.
Automotive thermal tube provided by the invention manages system, in addition to can use heat pump air conditioning system realize interior cooling in summer and
The demand of winter heating, there are also the functions of battery cooling and battery heating.By the first plate heat exchanger, heat pump sky can be passed through
The refrigerant and battery pack coolant liquid of adjusting system carry out heat exchange, cool down to battery, and can pass through the coolant liquid and electricity of engine
Pond packet coolant liquid carries out heat exchange, heats to battery, using the heat exchange between three kinds of media, is suitable under different vehicle conditions to energy
The effective use in source makes battery work within the scope of suitable temperature always, to improve the efficiency for charge-discharge of battery, continuation of the journey energy
Power and service life.In addition, the present invention can both realize automotive air-conditioning system in the case where not changing refrigerant circulation direction
Refrigeration and heating, structure is simple, so that whole system pipeline arrangement is simple, is easy to produce in batches.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Figure 1A is a kind of structural schematic diagram of the heat pump air conditioning system of embodiment according to the present invention;
Figure 1B is the structural schematic diagram of the heat pump air conditioning system of another embodiment according to the present invention;
Fig. 2 is the structural schematic diagram of the heat pump air conditioning system of another embodiment according to the present invention;
Fig. 3 is the structural schematic diagram of the heat pump air conditioning system of another embodiment according to the present invention;
Fig. 4 is the structural schematic diagram of the heat pump air conditioning system of another embodiment according to the present invention;
Fig. 5 A is the structural schematic diagram of the heat pump air conditioning system of another embodiment according to the present invention;
Fig. 5 B is the structural schematic diagram of the heat pump air conditioning system of another embodiment according to the present invention;
Fig. 6 is the structural schematic diagram of the heat pump air conditioning system of another embodiment according to the present invention;
Fig. 7 is a kind of structural schematic diagram of the automotive thermal tube reason system of embodiment according to the present invention;
Fig. 8 is the structural schematic diagram of the automotive thermal tube reason system of another embodiment according to the present invention;
Fig. 9 A and Fig. 9 B are the structural schematic diagrams of the automotive thermal tube reason system of another embodiment according to the present invention;
Figure 10 is the overlooking structure diagram for the expansion switch valve that the preferred embodiment for the present invention provides;
Figure 11 is the schematic diagram of the section structure crossed by Figure 10 middle line AB-AB, wherein the first valve port and the second valve port are equal
It is in the open state;
Figure 12 is the positive structure diagram along a visual angle for the expansion switch valve that the preferred embodiment for the present invention provides;
Figure 13 is the schematic diagram of the section structure crossed by Figure 10 middle line AB-AB, wherein the first valve port is in open shape
State, the second valve port are in closed state;
Figure 14 is the schematic diagram of the section structure crossed by Figure 10 middle line AB-AB, wherein the first valve port is in closed form
State, the second valve port are in the open state;
Figure 15 is that the facing structure along another visual angle for the expansion switch valve that the preferred embodiment for the present invention provides is illustrated
Figure;
Figure 16 is the schematic diagram of the section structure crossed by Figure 15 middle line AC-AC, wherein the first valve port is in open shape
State, the second valve port are in closed state;
Figure 17 is the first schematic diagram of internal structure of the expansion switch valve that the preferred embodiment for the present invention provides, wherein the
One valve port and the second valve port are in opening state;
Figure 18 is the partial enlarged view in the portion A in Figure 17;
Figure 19 is the second schematic diagram of internal structure of the expansion switch valve that the preferred embodiment for the present invention provides, wherein the
One valve port is in the open state, and the second valve port is in close state;
Figure 20 is the third schematic diagram of internal structure for the expansion switch valve that the preferred embodiment for the present invention provides, wherein the
One valve port is in close state, and the second valve port is in opening state.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, electric car mainly refers to hybrid vehicle.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, left and right " is usually phase
For the page of attached drawing, " upstream, downstream " is that e.g., for the flow direction of refrigerant, have relative to medium
Body, it is downstream towards the flow direction of refrigerant, is upstream away from the flow direction of refrigerant, " inside and outside " refers to corresponding portion
Part profile it is interior with it is outer.
Figure 1A and Figure 1B is a kind of structural schematic diagram of the heat pump air conditioning system of embodiment according to the present invention.Such as Figure 1A
Shown, which may include: HVAC (heating and ventilation and air-conditioning, Heating Ventilation and Air
Conditioning) assembly 600, compressor 604 and outdoor heat exchanger 605.Wherein, HVAC assembly 600 may include indoor cold
Condenser 601 and indoor evaporator 602.In addition, as shown in Figure 1A, the outlet of compressor 604 and the entrance of indoor condenser 601 connect
It is logical, the egress selection of indoor condenser 601 via first throttle branch or the first through-flow branch and outdoor heat exchanger 605
Entrance connection is led via the second throttling branch or the second through-flow branch with selectivity to the egress selection of outdoor heat exchanger 605
The first end of logical or cut-off the first branch 637 is connected to and connects with the first end of the second branch of selective on or off 638
Logical, the second end of the first branch 637 is connected to the entrance of compressor 604, the second end and indoor evaporator of second branch 638
602 entrance connection, the outlet of indoor evaporator 602 is connected to the entrance of compressor 604.
In the present invention, the first branch 637 and second branch 638 are selectively to be connected or cut according to actual needs
Only.For example, as shown in Figure 1, be provided with first switch valve 639 in the first branch 637, when first switch valve 639 is opened,
The first branch 637 is connected, and when first switch valve 639 is closed, the first branch 637 is ended.In addition, being set in second branch 638
It is equipped with second switch valve 640, when second switch valve 640 is opened, second branch 638 is connected, when second switch valve 640 is closed
When, second branch 638 is ended.
In another embodiment, as shown in Figure 1B, heat pump air conditioning system can also include: the first triple valve 641, outdoor
The egress selection of heat exchanger 605 via second throttling branch or the second through-flow branch and the first triple valve 641 entrance
641a connection, the first outlet 641b of the first triple valve 641 are connected to the first end of the first branch 637, the first triple valve 641
Second outlet 641c is connected to the first end of second branch 638.In this way, can control first by first triple valve 641
637 on or off of road, and control 638 on or off of second branch.
Illustratively, by controlling entrance 641a- first outlet 641b conducting and the entrance 641a- the of the first triple valve 641
Two outlet 641c are not turned on, and can control the conducting of the first branch 637, second branch 638 is ended;And pass through control the one or three
The entrance 641a- first outlet 641b of port valve 625 is not turned on and entrance 641a- second outlet 641c is connected, and can control first
The cut-off of branch 637, second branch 638 are connected.
In addition, when the first branch 637 is connected, refrigerant is flowed back into indoor evaporator 602 in order to prevent, optionally, such as
Shown in Figure 1A and Figure 1B, the outlet of indoor evaporator 602 is connected to via second one-way valve 627 with the entrance of compressor 604.This
Sample is merely able to that refrigerant is allowed to flow to compressor 604 from indoor evaporator 602, and cannot flow round about.
In the present invention, the outlet of indoor condenser 601 or entering via first throttle branch and outdoor heat exchanger 605
Mouth is connected to or is connected to via the first through-flow branch with the entrance of outdoor heat exchanger 605.This can be realized using various ways
Kind mode of communicating.For example, in one embodiment, as shown in FIG. 1A and 1B, heat pump air conditioning system can also include first
Switch valve 603 is expanded, the entrance of the first expansion switch valve 603 and the outlet of indoor condenser 601, first expansion
The outlet of switch valve 603 is connected to the entrance of outdoor heat exchanger 605, wherein first throttle branch is the first expansion switch valve 603
Throttling runner, the first through-flow branch be first expansion switch valve 603 through-flow runner.
In the present invention, expansion switch valve is that have the function of expansion valve (also referred to as electric expansion valve function) simultaneously and open
The valve for closing valve function (also referred to as solenoid valve function) can be regarded as being the integrated of switch valve and expansion valve.It is expanding
The inside of switch valve is formed with through-flow runner and throttling runner, when expansion switch valve as switch valve in use, it internal leads to
Runner conducting is flowed, forms through-flow branch at this time;When expansion switch valve as expansion valve in use, its inside throttling runner lead
It is logical, throttling branch is formed at this time.
Embodiment alternatively, as shown in Fig. 2, the heat pump air conditioning system can also include third switch valve
608 and second expansion valve 607, wherein the first through-flow branch road is provided with third switch valve 608, and first throttle branch road is arranged
There is the second expansion valve 607.Specifically, as shown in Fig. 2, the outlet of indoor condenser 601 is changed via third switch valve 608 with outdoor
The entrance of hot device 605 is connected to form the first through-flow branch, and the outlet of indoor condenser 601 is via the second expansion valve 607 and room
The entrance of external heat exchanger 605 is connected to form first throttle branch.When system is under high-temperature refrigeration mode, third switch valve
608 conductings, the second expansion valve 607 are closed, and the outlet of indoor condenser 601 is via the first through-flow branch and outdoor heat exchanger 605
Entrance connection.When system is under low temperature heating mode, the second expansion valve 607 conducting, third switch valve 608 is closed, room
The outlet of inner condenser 601 is connected to via first throttle branch with the entrance of outdoor heat exchanger 605.
It is similar with the implementation of the first through-flow branch and first throttle branch, as the second through-flow branch and the second section
One of embodiment of branch is flowed, as shown in FIG. 1A and 1B, heat pump air conditioning system can also include the second expansion switch
Valve 606, the entrance of the second expansion switch valve 606 and the outlet of outdoor heat exchanger 605, the second expansion switch valve 606
Outlet be connected to the first end of the first branch 637 of selectivity on or off and second with selective on or off
The first end on road 638 is connected to, wherein the second throttling branch is the throttling runner of the second expansion switch valve 606, the second through-flow branch
Road is the through-flow runner of the second expansion switch valve 606.
Embodiment alternatively, as shown in figure 3, the heat pump air conditioning system can also include the 4th switch valve
610 and third expansion valve 609, wherein the second through-flow branch road is provided with the 4th switch valve 610, and the second throttling branch road is arranged
There is third expansion valve 609.Specifically, as shown in figure 3, the outlet of outdoor heat exchanger 605 is via the 4th switch valve 610 and selectivity
The first end of the first branch 637 of on or off is connected to and the first end with the second branch of selective on or off 638
Connection is to form the second through-flow branch, and the outlet of outdoor heat exchanger 605 is via third expansion valve 609 and selective on or off
The first branch 637 first end connection and be connected to the first end of the second branch of selective on or off 638 to be formed
Second throttling branch.When system is under high-temperature refrigeration mode, third expansion valve 609 is connected, and the 4th switch valve 610 is closed.
When system is under low temperature heating mode, the 4th switch valve 610 conducting, third expansion valve 609 is closed.
In order to facilitate pipeline laying, space hold is saved, it is preferable that use in heat pump air conditioning system provided by the invention
First expansion switch valve 603 and the second expansion switch valve 606, that is, embodiment shown in Figure 1A and Figure 1B.
Fig. 4 shows the structural schematic diagram of the heat pump air conditioning system of another embodiment according to the present invention.Such as Fig. 4 institute
Show, which can also include gas-liquid separator 611, wherein the outlet of indoor evaporator 602 and gas-liquid separator
611 entrance connection, the second end of the first branch 637 are connected to the entrance of gas-liquid separator 611, and gas-liquid separator 611 goes out
Mouth is connected to the entrance of compressor 604.In this way, the refrigerant flowed out through the second end of indoor evaporator 602 or the first branch 637
Gas-liquid separator 611 can be first passed around and carry out gas-liquid separation, the gas isolated is flowed back into again in compressor 604, thus anti-
Only liquid refrigerant enters compressor 604 and damages compressor 604, so as to extend the service life of compressor 604, and
Improve the efficiency of entire heat pump air conditioning system.
Under heat pump low-temperature heating pattern, in order to improve heating ability, it is preferable that as fig. 5 a and fig. 5b, entire
The second plate heat exchanger 612 is provided in heat pump air conditioning system, which is also disposed in electronic vapour simultaneously
In the electromotor cooling system of vehicle.In this way, the waste heat that can use electromotor cooling system gives air-conditioning system refrigerant heat, thus
The suction temperature and inspiratory capacity of compressor 604 can be improved.
For example, as shown in Figure 5A, using the implementation of third expansion valve 609 and the 4th switch valve 610 in heat pump air conditioning system
In mode, the second plate heat exchanger 612 can be arranged in as shown in Figure 5A in the second through-flow branch.For example, in a kind of embodiment party
In formula, the refrigerant inlet 612a of the second plate heat exchanger 612 and the outlet of outdoor heat exchanger 605, the second plate-type heat-exchange
The refrigerant outlet 612b of device 612 is connected to the entrance of the 4th switch valve 610.Alternatively, (not showing in another embodiment
Out), the refrigerant inlet 612a of the second plate heat exchanger 612 can also be board-like with the outlet of the 4th switch valve 610, second
The refrigerant outlet 612b of heat exchanger 612 is connected to the entrance of indoor evaporator 602.
At the same time, the second plate heat exchanger 612 is arranged in electromotor cooling system simultaneously.As shown in Figure 5A, motor is cold
But system may include the motor, motor radiator 613 and third water pump connected with the second plate heat exchanger 612 to be formed into a loop
614.In this way, refrigerant can carry out heat exchange with the coolant liquid in electromotor cooling system by the second plate heat exchanger 612.System
Cryogen returns in compressor 604 after the 4th switch valve 610 and first switch valve 639.
Alternatively, as shown in Figure 5 B, in embodiment of the heat pump air conditioning system using the second expansion switch valve 606, second
The outlet of the expansion switch valve 606 of the refrigerant inlet 612a of plate heat exchanger 612 and second, the second plate heat exchanger 612
Refrigerant outlet 612b be connected to the first end of the first branch 637 and be connected to the first end of second branch 638, and second
Plate heat exchanger 612 is arranged in the electromotor cooling system of electric car simultaneously.In this way, refrigerant board-like can be changed by second
Hot device 612 carries out heat exchange with the coolant liquid in electromotor cooling system.Refrigerant returns to compression after first switch valve 639
In machine 604.
By the second plate heat exchanger 612, heating ability of the air-conditioning system under heat pump low-temperature heating pattern can be improved.
But, in embodiment of the heat pump air conditioning system shown in Fig. 5 B using the second expansion switch valve 606, in order to keep away
Exempt from the heating for carrying out refrigerant under heat pump high-temperature refrigeration mode, can be controlled whether using valve in the second plate-type heat-exchange
Heat exchange is carried out in device 612.Specifically, electromotor cooling system may include motor coolant liquid main line 616, first motor coolant liquid
Branch 617 and the second motor coolant liquid branch 618, wherein the first end on motor coolant liquid main line 616 is selectively electric with first
The first end of machine coolant liquid branch 617 or the connection of the first end of the second motor coolant liquid branch 618.For example, in an embodiment party
In formula, the first end on motor coolant liquid main line 616 can be connected to the import 615a of the 4th triple valve 615, and first motor is cooling
The first end of liquid branch 617 can be connected to the first outlet 615b of the 4th triple valve 615, the second motor coolant liquid branch 618
First end can be connected to the second outlet 615c of the 4th triple valve 615, as a result, by the 4th triple valve 615, can control
The first end on motor coolant liquid processed main line 616 selectively with the first end or the second motor of first motor coolant liquid branch 617
The first end of coolant liquid branch 618 is connected to.In addition, as shown in Figure 5 B, the second end and motor of first motor coolant liquid branch 617
The second end on coolant liquid main line 616 is connected to, and the second end of the second motor coolant liquid branch 618 also with motor coolant liquid main line
616 second end connection, wherein motor, motor radiator 613 and third water pump are in series on motor coolant liquid main line 616
614, the second plate heat exchanger 612 is in series on first motor coolant liquid branch 617.
In this way, at this time in order to improve heating ability, being needed when air-conditioning system work is under heat pump low-temperature heating pattern
Refrigerant is heated in second plate heat exchanger 612.Therefore, in such a case, it is possible to pass through the 4th triple valve of control
615 are connected first motor coolant liquid branch 617, and the coolant liquid in electromotor cooling system flows through the second plate-type heat-exchange as a result,
Device 612, at this point it is possible to realize the heat exchange with refrigerant.However, when system work is under heat pump high-temperature refrigeration mode, this
When do not need to heat refrigerant in the second plate heat exchanger 612.Therefore, in such a case, it is possible to pass through control
The second motor coolant liquid branch 618 is connected in 4th triple valve 615, and the coolant liquid in electromotor cooling system is not passed through as a result,
The runner of second plate heat exchanger 612, the second plate heat exchanger 612 as just refrigerant flows through.
In heat pump air conditioning system provided by the invention, the various refrigerants such as R134a, R410a, R32, R290 can be used,
It is preferential to select high temperature refrigerant.
Fig. 6 is the structural schematic diagram of the heat pump air conditioning system of another embodiment according to the present invention.As shown in fig. 6,
HVAC assembly 600 can also include the second ptc heater 619, which is used for flowing through indoor condenser
601 wind is heated.
In the present invention, the second ptc heater 619 can be high pressure PTC (being driven by vehicle high-tension battery), voltage model
It encloses: 200V-900V.Alternatively, the second ptc heater 619 or low pressure PTC (driving of 12V or 24V battery), voltage model
It encloses: 9V-32V.In addition, this second ptc heater 619 can be by several or several pieces of PTC ceramics piece modules and radiating fin group
At a complete core, or the strip with radiating fin or block-like PTC ceramics piece module.
In the present invention, which can arrange the windward side or leeward side of condenser 601 indoors.
Also, in order to improve the heating effect to the wind for flowing through indoor condenser 601, which can be cold with interior
Condenser 601 is arranged in parallel.In other embodiments, which can also be arranged in HVAC assembly 600
Blowing at foot air port and defrosting outlet for cabinet, can also be arranged at the air port of defrosting duct.
If the second ptc heater 619 to be arranged in the windward side or leeward side of cabinet interior room inner condenser 601, with room
Inner condenser 601 be arranged in parallel, can the grooving on cabinet shell, the second ptc heater 619, which is inserted perpendicularly into, puts cabinet into, can also
With welding support on 601 side plate of condenser indoors, the second ptc heater 619 is fixed by screws in indoor condenser 601
On bracket.If the second ptc heater 619 is arranged in the blowing at foot air port and defrosting outlet of cabinet, or it is arranged in defrosting wind
At the air port in road, it can be directly anchored to by screw at the air port of box air outlet and wind passage mouth.
By this embodiment, when outside temperature is too low, and the heating capacity of heat pump low-temperature heating is unsatisfactory for interior demand,
The 619 auxiliary heating heating of the second ptc heater can be run, it is possible thereby to heating capacity when eliminating heat pump air conditioning system low-temperature heating
It is small, the defects of vehicle defrosting-defogging is slow, and heating effect is bad.
Fig. 7 is the structural schematic diagram that system is managed according to a kind of automotive thermal tube of embodiment of invention.As shown in fig. 7, should
System may include that heat pump air conditioning system described above, battery pack heat-exchange system, engine-cooling system and first are board-like
Heat exchanger 620, wherein heat pump air conditioning system and engine-cooling system pass through the first plate heat exchanger 620 and battery pack respectively
Heat-exchange system heat exchange.In the present invention, the first plate heat exchanger 620 is three ply board formula heat exchanger.So-called " three ply board formula heat exchange
Device " refers to the internal plate heat exchanger for being formed with three heat exchanger channels, wherein what is flowed in a heat exchanger channels is heat pump air conditioner
The refrigerant of system, the interior flowing of a heat exchanger channels is battery coolant liquid, and what is flowed in a heat exchanger channels is that engine is cold
But liquid.
In the present invention, the refrigerant inlet 620a of the first plate heat exchanger 620 can be via selective on or off
Battery cooling branch 621 and outdoor heat exchanger 605 outlet, or the cooling branch of battery via selective on or off
Road 621 is connected to the first end of the first end of the first branch 637 and second branch 638.In addition, the first plate heat exchanger 620
Refrigerant outlet 620b can be connected to via battery cooling for reflux branch 622 with the entrance of compressor 604.
In the present invention, it increases by the cooling branch 621 of battery, the first plate heat exchanger 620 and battery cooling for reflux branch
It is that road 622 collectively constitutes and that indoor evaporator 602 is in parallel for the refrigerant diverter branch to battery cooling, in this way, working as
When under heat pump high-temperature refrigeration mode, refrigerant is segmented into two strands: wherein one refrigerant flow direction indoor evaporator 602, and
It is evaporated in evaporator 602 indoors, absorbs indoor environment heat, reduce room temperature;Another strand of refrigerant flow direction first is board-like
Heat exchanger 620, and by the first plate heat exchanger 620 and the coolant liquid in the battery coolant circuit of battery pack heat-exchange system into
Row heat exchange, absorbs the heat of coolant liquid, and then the cooling to battery pack may be implemented.
In the present invention, there are two types of modes for the connection type of the refrigerant inlet 620a of the first plate heat exchanger 620: one
In kind of embodiment, as shown in fig. 7, the refrigerant inlet 620a of the first plate heat exchanger 620 can via selectivity conducting or
The outlet of the battery of cut-off cooling branch 621 and outdoor heat exchanger 605.It specifically, can be on the cooling branch 621 of battery
First expansion valve 623 is set.In this way, refrigeration can be controlled by opening or closing the first expansion valve 623 according to actual needs
Whether agent can flow into the refrigerant inlet 620a of the first plate heat exchanger 620.That is, the cooling branch 621 of control battery is place
In on state, it is in off state.
In this embodiment, under heat pump high-temperature refrigeration mode, from the medium temperature high pressure of outdoor heat exchanger 605 out
Refrigerant be directly divided into two strands: one flows to the second expansion switch valve 606;Another plume is to the first expansion valve 623.Change speech
It, refrigerant is to carry out throttling decrease temperature and pressure after shunting respectively on every road Tiao Zhi again at this time.
In another embodiment, as shown in figure 8, the refrigerant inlet 620a of the first plate heat exchanger 620 is via choosing
The cooling branch 621 of the battery of selecting property on or off connects with the first end of the first branch 637 and the first end of second branch 638
It is logical, and flow valve 625 is provided on the cooling branch 621 of battery.In specific embodiment shown in Fig. 8, outdoor heat exchange
The outlet of device 605 is connected to via the second expansion switch valve 606 with the first end of the first branch 637 of selective on or off,
It is connected to the first end of the second branch 638 of selective on or off, and cold via the battery of selective on or off
But branch 621 is connected to the refrigerant inlet 620a of the first plate heat exchanger 620.
In this way, can be by control flow valve 625 to control whether refrigerant can flow into the first plate heat exchanger 620
Refrigerant inlet 620a, that is, the cooling branch 621 of control battery be it is in the conductive state, be in off state.In addition,
Control flow valve 625 can also regulate and control the size that refrigerant flows into the flow of the first plate heat exchanger 620.
In this embodiment, under heat pump high-temperature refrigeration mode, from the medium temperature high pressure of outdoor heat exchanger 605 out
Refrigerant is divided into two strands after the throttling of the second expansion switch valve 606: one flows to second switch valve 640 (at this point, first opens
Valve 639 is closed to close), another plume is to flow valve 625, to realize the distribution of the flow proportional of two strands of refrigerants.In other words, this
When, refrigerant is first to carry out throttling decrease temperature and pressure on main line then to be shunted again.
In order to prevent under heat pump low-temperature heating pattern, the refrigerant of low-temp low-pressure is back to the first plate heat exchanger 620
In, the first check valve 626 is provided on battery cooling for reflux branch 622.That is, the first check valve 626 can only uniaxially allow
Refrigerant flows to the entrance of compressor 604 from the refrigerant outlet 620b of the first plate heat exchanger 620, and cannot be round about
Flowing.
When only cooling down in order to prevent to battery pack, the refrigerant of low-temp low-pressure is back in indoor evaporator 602,
The outlet of indoor evaporator 602 can be connected to via second one-way valve 627 with the entrance of compressor 604.That is, second one-way valve
627 can only uniaxially allow refrigerant to flow to the entrance of compressor 604 from the outlet of indoor evaporator 602, and cannot be to opposite
Direction flowing.
In addition, as shown in Figure 7 and Figure 8, the first plate heat exchanger 620 is connected on the coolant circuit of battery pack heat-exchange system
In, and be additionally provided in the coolant circuit with concatenated first water pump 628 of the first plate heat exchanger 620, deputy tank 629 and
Battery pack 630, wherein battery coolant liquid can flow into the via the battery coolant inlet 620f of the first plate heat exchanger 620
One plate heat exchanger 620, and the first plate heat exchanger is flowed out via the battery cooling liquid outlet 620e of the first plate heat exchanger 620
620.When the cooling branch 621 of battery is connected, the refrigerant of heat pump air conditioning system can be via the system of the first plate heat exchanger 620
Cryogen entrance 620a flows into the first plate heat exchanger 620, and flows out via the refrigerant outlet 620b of the first plate heat exchanger 620
First plate heat exchanger 620.In this way, the heat that refrigerant and battery coolant liquid may be implemented is handed over by the first plate heat exchanger 620
It changes, to be cooled down for battery pack.
As described above, to prevent liquid refrigerant from entering compressor 604 and damaging compressor 604, so as to extend
The service life of compressor 604, and the efficiency of entire heat pump air conditioning system is improved, provided with gas-liquid point in heat pump air conditioning system
From device 611.As shown in Figure 7 and Figure 8, the entrance of gas-liquid separator 611 in addition to indoor evaporator 602 outlet and
Except being connected to the second end of the first branch 637, the refrigerant outlet 620b of the first plate heat exchanger 620 is also cooling via battery
Reflux branch 622 is connected to the entrance of gas-liquid separator 611.In other words, the refrigerant come out from the first plate heat exchanger 620
Gas-liquid separator 611 can be first passed around and carry out gas-liquid separation, the gas isolated is flowed back into again in compressor 604, thus anti-
Only liquid refrigerant enters compressor 604 and damages compressor 604.
In addition, as shown in Figure 7 and Figure 8, engine-cooling system may include the second water pump 631, engine 632, interior
Heater cores 633 (being arranged in HVAC 600) and the second triple valve 634, wherein the outlet and the second threeway of the second water pump 631
The entrance 634a of valve 634 is connected to, two outlets (that is, first outlet 634b and second outlet 634c) point of the second triple valve 634
It is not connected to the engine coolant entrance 620c of the entrance of indoor heater cores 633 and the first plate heat exchanger 620, interior is warm
The cooling of the outlet of wind core 633 and the engine coolant outlet 620d of the first plate heat exchanger 620 with engine 632
The connection of liquid entrance, the cooling liquid outlet of engine 632 are connected to the entrance of the second water pump 631.
When opening the second water pump 631, the entrance 634a of the second triple valve 634 of conducting goes out with the first of the second triple valve 634
When mouth 634b, engine coolant can flow into first via the engine coolant entrance 620c of the first plate heat exchanger 620
Plate heat exchanger 620, and the first plate heat exchanger is flowed out via the engine coolant of the first plate heat exchanger 620 outlet 620d
620.In this way, the waste heat that can use engine 632 is that battery pack 630 is heated.Further, it is also possible to pass through conducting the two or three
The second outlet 634c of the entrance 634a of port valve 634 and the second triple valve 634, so that engine coolant flows into indoor warm wind core
Body 633, to realize that using engine exhaust heat be interior heating.
There is the situation of waste heat deficiency in engine 632 in order to prevent, in another embodiment of the present invention, such as Fig. 9 A and
Shown in Fig. 9 B, engine-cooling system can also include the first ptc heater 635 and third triple valve 636, wherein interior is warm
Wind core 633 outlet and the first plate heat exchanger 620 engine coolant export 620d with the third triple valve 636
Entrance 636a connection, the coolant inlet of the first outlet 636b of the third triple valve 636 and the engine 632 connects
Logical, the second outlet 636c of the third triple valve 636 is connected to the entrance of second water pump 631, the first PTC heating
Device 635 can as shown in Figure 9 A as be arranged in second water pump 631 outlet and second triple valve 634 entrance
Between 634a, or as shown in Figure 9 B as the entrance and the third triple valve 636 of second water pump 631 are set
Between second outlet 636c.As a result, by the first ptc heater 635, the temperature of engine coolant, Jin Ergeng can be improved
It is heated for battery pack well.
It will carry out the automotive thermal tube that the present invention is described in detail provides by taking Fig. 9 A as an example below and manage system in different operating modes
Under cyclic process and principle.It should be understood that other embodiments are (for example, embodiment party shown in Fig. 7, Fig. 8 and Fig. 9 B
Formula) under system circulation process and principle with Fig. 9 be it is similar, just no longer repeat one by one herein.
Mode one: heat pump high-temperature refrigeration circulation pattern.System in this mode when, whole system formed a height
Warm cooling cycle system.As shown in Figure 9 A, firstly, the gas of high temperature and pressure is discharged through overcompression for compressor 604, with indoor condensation
Device 601 is connected.At this point, control wind is without indoor condenser 601, due to calm process, indoors in condenser 601
It not will do it heat exchange, which only uses as runner, and what is come out at this time from indoor condenser 601 is still height
The gas of warm high pressure.The indoor outlet of condenser 601 is connected with the first expansion switch valve 603, and the first expansion switch valve 603 rises at this time
Valve action is switched, is only flowed through as runner, what is come out at this time from the first expansion switch valve 603 is still the gas of high temperature and pressure.The
One expansion switch valve 603 outlet is connected with outdoor heat exchanger 605, and outdoor heat exchanger 605 and outdoor air exchange heat, and heat is distributed
It is out the liquid of medium temperature high pressure from outdoor heat exchanger 605 into air.The outlet of outdoor heat exchanger 605 is expanded with second
It closes valve 606 to be connected, the second expansion switch valve 606 plays expansion valve action at this time, plays throttling action as restricting element, comes out
It is low temperature and low pressure liquid.Second expansion 606 aperture of switch valve can give certain aperture according to actual needs, this aperture can
According to the pressure for the pressure-temperature sensor being mounted between the outlet of indoor evaporator 602 and the entrance of gas-liquid separator 611
Power and temperature acquisition data calculate Refrigerant Superheat at Evaporator Outlet to adjust.First switch valve 639 is closed, second switch valve
640 open, in this way, the first branch 637 is ended, second branch 638 is connected.The low temperature come out from the second expansion switch valve 606 is low
Press liquid enters the room to be evaporated in evaporator 602, heat in absorption chamber, room temperature is reduced, so that from indoor evaporator
602 be the gas of low-temp low-pressure out.Indoor evaporator 602 is connected via second one-way valve 627 with gas-liquid separator 611,
The liquid not being evaporated is separated by gas-liquid separator 611, the gas of last low-temp low-pressure returns in compressor 604, thus
Form a circulation.The flow direction of 600 apoplexy of HVAC assembly flows only through indoor evaporator 602, the calm warp of indoor condenser 601 at this time
It crosses, is only flowed through as refrigerant flow path.Also, in this mode, the first expansion valve 623 is closed, and the first water pump 628 is closed, the
Two water pumps 631 are closed, and the second triple valve 634 and third triple valve 636 power off, that is, close.
Mode two: battery cooling cycle mode.As shown in Figure 9 A, firstly, high temperature and pressure is discharged through overcompression in compressor 604
Gas, be connected with indoor condenser 601.At this point, control wind is without indoor condenser 601, due to calm process,
It not will do it heat exchange in condenser 601 indoors, which only uses as runner, at this time from indoor condensation
What device 601 came out is still the gas of high temperature and pressure.The outlet of indoor condenser 601 expands switch valve 603 with first and is connected, and at this time the
One expansion switch valve 603 plays switch valve action, only flows through as runner, is still from what the first expansion switch valve 603 came out at this time
The gas of high temperature and pressure.First expansion switch valve 603 outlet is connected with outdoor heat exchanger 605, and outdoor heat exchanger 605 and outdoor are empty
Gas heat exchange, heat is dispersed into air, is out the liquid of medium temperature high pressure from outdoor heat exchanger 605.Outdoor heat exchanger 605
Outlet is connected with the first expansion valve 623, cools down by the throttling of the first expansion valve 623, it is low for coming out from the first expansion valve 623
Warm low pressure liquid.First expansion valve, 623 aperture can give certain aperture according to actual needs, this aperture can be according to installation
Pressure-temperature sensor between the refrigerant outlet 620b of the first plate heat exchanger 620 and the entrance of gas-liquid separator 611
Pressure and temperature acquisition data adjust.The refrigerant inlet of first expansion valve 623 outlet and the first plate heat exchanger 620
620a is connected, and low temperature and low pressure liquid carries out heat exchange with the hot water come out from battery pack 630 in the first plate heat exchanger 620,
So that from the refrigerant outlet 620b of the first plate heat exchanger 620 come out be low-temp low-pressure gas.First plate heat exchanger
620 refrigerant outlet 620b is connected via the first check valve 626 with gas-liquid separator 611, and the liquid not being evaporated is passed through
Gas-liquid separator 611 separates, and the gas of last low-temp low-pressure returns in compressor 604, and a circulation is consequently formed.At this point, room
The calm process of inner condenser 601, only flows through as refrigerant flow path.Also, in this mode, the first expansion valve 623 is opened, the
Two expansion switch valves 606 are closed, and the first water pump 628 is opened, and the second water pump 631 is closed, the second triple valve 634 and third triple valve
636 power-off.
Mode three: heat pump high-temperature refrigeration is powered on pond cooling cycle mode.As shown in Figure 9 A, firstly, compressor 604 is through over-voltage
The gas for high temperature and pressure of indenting out is connected with indoor condenser 601.At this point, control wind is without indoor condenser 601, due to
Therefore calm process not will do it heat exchange in condenser 601 indoors, which only uses as runner,
What is come out from indoor condenser 601 is still the gas of high temperature and pressure at this time.The indoor outlet of condenser 601 and the first expansion switch valve
603 are connected, and the first expansion switch valve 603 plays switch valve action at this time, only flow through as runner, at this time from the first expansion switch
What valve 603 came out is still the gas of high temperature and pressure.First expansion switch valve 603 outlet is connected with outdoor heat exchanger 605, and outdoor is changed
Hot device 605 exchanges heat with outdoor air, and heat is dispersed into air, is out the liquid of medium temperature high pressure from outdoor heat exchanger 605
Body.The outlet of outdoor heat exchanger 605 is connected with the second expansion switch valve 606 and the first expansion valve 623 respectively, at this point, changing from outdoor
The liquid for the medium temperature high pressure that hot device 605 comes out is divided into two strands: one flows to the entrance of the second expansion switch valve 606, at this point, second
Expansion switch valve 606 rise expansion valve action it is identical, play throttling action as restricting element, come out be low-temp low-pressure liquid
Body.The aperture of second expansion switch valve 606 can give certain aperture according to actual needs, this aperture can be according to being mounted on
The pressure and temperature of pressure-temperature sensor between the outlet of indoor evaporator 602 and the entrance of gas-liquid separator 611 acquires
Data calculate Refrigerant Superheat at Evaporator Outlet to adjust.First switch valve 639 is closed, and second switch valve 640 is opened, this
Sample, the first branch 637 are ended, and second branch 638 is connected.The low temperature and low pressure liquid come out from the second expansion switch valve 606 enters
It is evaporated in indoor evaporator 602, heat in absorption chamber, reduces room temperature, so that being out from indoor evaporator 602
The gas of low-temp low-pressure.For another plume to the entrance of the first expansion valve 623, the aperture of the first expansion valve 623 can be according to reality
Demand gives certain aperture, this aperture can refrigerant outlet 620b according to the first plate heat exchanger 620 and gas-liquid separation
The pressure and temperature of pressure-temperature sensor between the entrance of device 611 acquires data to adjust.By the first expansion valve 623
Throttling cooling, from the first expansion valve 623 come out be low temperature and low pressure liquid.The outlet of first expansion valve 623 board-like is changed with first
The refrigerant inlet 620a of hot device 620 is connected, and low temperature and low pressure liquid goes out in the first plate heat exchanger 620 with from battery pack 630
The hot water come carries out heat exchange, so that coming out from the refrigerant outlet 620b of the first plate heat exchanger 620 is low-temp low-pressure
Gas.The outlet of indoor evaporator 602 and the refrigerant outlet 620b of the first plate heat exchanger 620 are respectively via second one-way valve
627 and first check valve 626 be connected with gas-liquid separator 611, come out from the refrigerant outlet 620b of the first plate heat exchanger 620
Refrigerant with from indoor evaporator 602 outlet come out refrigerant converge, the liquid not being evaporated is passed through gas-liquid separation
Device 611 separates, and the gas of last low-temp low-pressure returns in compressor 604, and a circulation is consequently formed.HVAC assembly 600 at this time
The flow direction of apoplexy flows only through indoor evaporator 602, and the calm process of indoor condenser 601 is only flowed through as refrigerant flow path.And
And in this mode, the first expansion valve 623 is opened, and the second expansion switch valve 606 is opened, and the first water pump 628 is opened, the second water
Pump 631 is closed, and the second triple valve 634 and third triple valve 636 power off.
Mode four: heat pump low-temperature heating circulation pattern.As shown in Figure 9 A, firstly, high temperature is discharged through overcompression in compressor 604
The gas of high pressure is connected with indoor condenser 601, and the gas of high temperature and pressure is condensed in condenser 601 indoors, to interior
Heat is discharged, room temperature increases, so that being out the liquid of medium temperature high pressure from indoor condenser 601.Indoor condenser 601
Outlet is connected with the first expansion switch valve 603, and the first expansion switch valve 603 plays expansion valve at this time, as restricting element
Throttling action is played, is out the liquid of low-temp low-pressure.Wherein, the aperture of the first expansion switch valve 603 can be according to reality
Border demand gives certain aperture, this aperture can be according to the pressure-temperature sensor in the exit for being mounted on compressor 604
The number of temperature acquisition data (i.e. compressor exhaust temperature) is adjusted.First expansion switch valve 603 outlet and outdoor heat exchanger
605 are connected, and outdoor heat exchanger 605 absorbs the heat of outdoor air, are out the gas of low-temp low-pressure from outdoor heat exchanger 605
Body.The outlet of outdoor heat exchanger 605 is connected with the second expansion switch valve 606, and the second expansion switch valve 606 plays the work of switch valve at this time
With only flowing through as a runner.First switch valve 639 is opened, and second switch valve 640 is closed, in this way, the first branch 637 is led
Logical, second branch 638 is ended.The gas of the low-temp low-pressure come out from the second expansion switch valve 606 is directly entered gas-liquid separator
611, the liquid not being evaporated is separated by gas-liquid separator 611, the gas of last low-temp low-pressure returns in compressor 604,
A circulation is consequently formed.At this point, in this mode, the first expansion valve 623 is closed, the first water pump 628 is closed, the second water pump
631 close, and the second triple valve 634 and third triple valve 636 power off.
Bellows design based on existing HVAC, if it is desired to control wind by indoor condenser 601, then wind first has to
By can just enter the room condenser 601 after indoor evaporator 602.But under heating mode in indoor evaporator 602 not
It can be carried out heat exchange, therefore, the first branch 637 be connected, end second branch 638, so that indoor evaporator 602 is shorted, i.e.,
It is distinguished and admirable through indoor evaporator 602, refrigerant temperature will not be affected.
Mode five: engine low temperature heats ring mode.As shown in Figure 9 A, the high temperature coolant warp come out from engine 632
The second water pump 631, the first ptc heater 635, the entrance 634a of the second triple valve 634, outlet 634c are crossed, it is warm using interior
Wind core 633 and air carry out the coolant liquid that heat exchange cooling is low temperature, using the entrance 636a of third triple valve 636, go out
Mouth 636b is flowed back into engine 632, thus completes a circulation.In this mode, compressor 604, first expands switch valve
603, the second expansion switch valve 606, the first expansion valve 623, first switch valve 639, second switch valve 640 are all in power-off shape
State, the first water pump 628 are closed, the operation of the second water pump 631, and the outlet the entrance 634a- 634c of the second triple valve 634 is logical, entrance
The outlet 634a- 634b is obstructed, and the outlet the entrance 636a- 636b of third triple valve 636 is logical, and it is obstructed that entrance 636a- exports 636c.
Six: PTC mode battery heat cycles mode of mode.As shown in Figure 9 A, the height come out from the first ptc heater 635
Entrance 634a, outlet 634b of the warm coolant liquid by the second triple valve, flow to the first plate heat exchanger 620, go out with battery pack 630
Come cold water carry out heat exchange cooling be low temperature coolant liquid, using the entrance 636a of third triple valve 636, outlet 636c,
The first ptc heater 635 is flowed back by the second water pump 631, thus completes a circulation.By the first plate heat exchanger 620,
It can be that battery pack is heated using engine coolant, increase the temperature of battery pack.In this mode, compressor 604,
One expansion switch valve 603, second expands switch valve 606, the first expansion valve 623, first switch valve 639, second switch valve 640 all
Entrance 634a- in off-position, the operation of the first water pump 628, the operation of the second water pump 631, the second triple valve 634 exports 634b
Logical, the outlet entrance 634a- 634c is obstructed, and the outlet the entrance 636a- 636c of third triple valve 636 is logical, and entrance 636a- exports 636b
It is obstructed.
Mode seven: engine mode battery heat cycles mode.As shown in Figure 9 A, the high temperature come out from engine 632 is cold
But liquid flows to the first plate heat exchanger 620 by the second water pump 631, the entrance 634a of the second triple valve 634, outlet 634b, with
The cold water that battery pack 630 comes out carries out the coolant liquid that heat exchange cooling is low temperature, using the entrance of third triple valve 636
636a, outlet 636b are flow back into engine 632, are thus completed engine mode battery and are heated a circulation.Pass through the first plate
Formula heat exchanger 620 can be that battery pack is heated using engine coolant, increase the temperature of battery pack.In the mode
Under, compressor 604, first expand switch valve 603, second expand switch valve 606, the first expansion valve 623, first switch valve 639,
Second switch valve 640 enters all in off-position, the operation of the first water pump 628, the operation of the second water pump 631, the second triple valve 634
Mouth 634a- outlet 634b is logical, and the outlet entrance 634a- 634c is obstructed, and the outlet the entrance 636a- 636b of third triple valve 636 leads to, and enters
Mouth 636a- outlet 636c is obstructed.
Eight: PTC mode low temperature of mode heating power-up pond heat cycles mode.As shown in Figure 9 A, from the first ptc heater
635 high temperature coolants come out flow to the second triple valve 634, punish and flow in the second triple valve 634, pass through the second triple valve all the way
634 entrance 634a, outlet 634b to the first plate heat exchanger 620 carries out heat exchange cooling with the cold water that battery pack 630 comes out
For the coolant liquid of low temperature, another way by entrance 634a, the outlet 634c of the second triple valve 634 arrive indoor heater cores 633 and
Air carry out heat exchange cooling be low temperature coolant liquid, from the engine coolant of the first plate heat exchanger 620 outlet 620d and
The refrigerant that indoor heater cores 633 flow out flows back to third triple valve 636, then the entrance from third triple valve 636 together again
636a, outlet 636c flow back into the first ptc heater 635 by the second water pump 631, thus complete a PTC mode low temperature system
Heat power-up pond heat cycles.It can be that battery pack is heated using engine coolant by the first plate heat exchanger 620,
Increase the temperature of battery pack.In this mode, compressor 604, first expands switch valve 603, second and expands switch valve 606, the
One expansion valve 623, first switch valve 639, second switch valve 640 are all in off-position, the operation of the first water pump 628, the second water
The outlet the entrance 634a- 634b of 631 operation of pump, the second triple valve 634 is logical, and the outlet entrance 634a- 634c is logical, third triple valve
636 outlet entrance 636a- 636b is obstructed, and it is logical that entrance 636a- exports 636c.
Mode nine: engine mode low-temperature heating is powered on pond heat cycles mode.As shown in Figure 9 A, go out from engine 632
The high temperature coolant come punishes stream by the second water pump 631, in the second triple valve 634, all the way entering by the second triple valve 634
Mouth 634a, outlet 634b to the first plate heat exchanger 620, carrying out heat exchange cooling with the cold water that battery pack 630 comes out is low temperature
Coolant liquid, another way by the second triple valve 634 entrance 634a, outlet 634c to interior heater cores 633 and air into
Row heat exchange cooling is the coolant liquid of low temperature, exports 620d from the engine coolant of the first plate heat exchanger 620 and interior is warm
The refrigerant that wind core 633 flows out flows back to third triple valve 636, then the entrance 636a from third triple valve 636, outlet together again
636b is flow back into engine 632, is thus completed an engine mode low-temperature heating and is powered on pond heat cycles.Pass through the first plate
Formula heat exchanger 620 can be that battery pack is heated using engine coolant, increase the temperature of battery pack.In this mode,
Compressor 604, first expands switch valve 603, second and expands switch valve 606, the first expansion valve 623, first switch valve 639, the
Two switch valves 640 are all in off-position, the operation of the first water pump 628, the operation of the second water pump 631, the entrance of the second triple valve 634
634a- exports 634b and leads to, and entrance 634a- exports 634c and leads to, and the outlet the entrance 636a- 636b of third triple valve 636 is logical, entrance
It is obstructed that 636a- exports 636c.
To sum up, automotive thermal tube provided by the invention manages system, realizes interior summer in addition to can use heat pump air conditioning system
Refrigeration and the demand of winter heating, there are also the functions of battery cooling and battery heating.By the first plate heat exchanger, can pass through
The refrigerant and battery pack coolant liquid of heat pump air conditioning system carry out heat exchange, cool down to battery, and can pass through the cooling of engine
Liquid and battery pack coolant liquid carry out heat exchange, heat to battery, using the heat exchange between three kinds of media, are suitable for different vehicle conditions
Under effective use to the energy, so that battery is worked within the scope of suitable temperature always, thus improve the efficiency for charge-discharge of battery,
Cruising ability and service life.In addition, the present invention can both realize air conditioning for automobiles in the case where not changing refrigerant circulation direction
The refrigeration and heating of system, structure is simple, so that whole system pipeline arrangement is simple, is easy to produce in batches.
As described above, expansion switch valve is the valve simultaneously with expansion valve and switch valve function in invention, it can
To be regarded as being the integrated of switch valve and expansion valve.It will be provided below a kind of example embodiment for expanding switch valve.
As shown in Figure 10, expansion switch valve mentioned above may include valve body 500, wherein be formed on the valve body 500
Import 501, outlet 502 and connection are in import 501 and export the inner flow passage between 502, are equipped with first on inner flow passage
Spool 503 and the second spool 504, the first spool 503 make import 501 directly be connected to or disconnect connection with outlet 502, and second
Spool 504 makes import 501 be connected to or disconnect connection by restriction 505 with outlet 502.
Wherein, " directly connection " that the first spool is realized refers to that the coolant that enters from the import 501 of valve body 500 can be with
It crosses the first spool and passes through the outlet 502 that inner flow passage insusceptibly flows directly to valve body 500, what the first spool was realized
" disconnecting connection " refers to that the coolant entered from the import 501 of valve body 500 can not cross the first spool and cannot pass through inside stream
Road flows to the outlet 502 of valve body 500." being connected to by restriction " that second spool is realized refers to the import 501 from valve body 500
The coolant of entrance can cross the second spool and flow to the outlet 502 of valve body 500 after passing through the throttling of restriction, and the second valve
" disconnect connection " that core is realized refer to the coolant entered from the import 501 of valve body 500 can not cross the second spool and cannot
The outlet 502 of valve body 500 is flowed to by restriction 505.
In this way, expansion switch valve of the invention can make from import by the control to the first spool and the second spool
501 coolants entered at least realize three kinds of states.That is, 1) off state;2) the direct connected state of the first spool 503 is crossed
State;And 3) cross the throttling mode of communicating of the second spool 504.
Wherein, after the liquid refrigerant of high temperature and pressure throttles using restriction 505, the mist of low-temp low-pressure can be become
Hydraulic refrigerant, can create conditions for the evaporation of refrigerant, i.e. the cross-sectional area of restriction 505 cross that is less than outlet 504
Sectional area, and by the second spool of control, the opening size of restriction 505 is adjustable, flows through restriction 505 with control
Flow prevents the refrigeration because of the very few generation of refrigerant insufficient, and prevents from making compressor generate liquid hammer because refrigerant is excessive
Phenomenon.That is, the cooperation of the second spool 504 and valve body 500 can to expand and close valve and have the function of expansion valve.
In this way, by installing the first spool 503 and the second spool 504 on the inner flow passage of same valve body 500, to realize
The control of the on-off of import 501 and outlet 502 and/or throttling control function, structure is simple, is readily produced and installs, and works as this hair
When the expansion switch valve of bright offer is applied to heat pump system, it is possible to reduce the refrigerant charge of entire heat pump system, reduce at
This, simplifies piping connection, the more conducively oil return of heat pump system.
As a kind of illustrative inner mounting structure of valve body 500, as shown in Figure 10 to Figure 15, valve body 500 includes shape
Valve seat 510 at inner flow passage and the first valve casing 511 and the second valve casing 512 that are mounted on the valve seat 510, the first valve casing 511
The first electromagnetic drive part 521 for driving the first spool 503 is inside installed, is equipped in the second valve casing 512 for driving the
Second electromagnetic drive part 522 of two spools 504, the first spool 503 extend to the inside stream in valve seat 510 from the first valve casing 511
Road, the second spool 504 extend to the inner flow passage in valve seat 510 from the second valve casing 512.
Wherein, by the first electromagnetic drive part 521, e.g., electromagnetic coil, the control of power on/off can easily control
The position of first spool 503, and then control import 501 and be directly connected to or disconnect connection with outlet 502;By being driven to the second electromagnetism
Dynamic portion 522, e.g., electromagnetic coil, the control of power on/off can easily control the position of the second spool 504, thus control into
Whether mouth 501 and outlet 502 are connected to restriction 505.In other words, shared import 501 and outlet have been installed in parallel in valve body 500
502 electric expansion valve and solenoid valve, it is thus possible to realize the on-off of expansion switch valve and/or the automation control of throttling, and
Simplify pipeline trend.
For the spatial position for making full use of all directions for expanding switch valve, expansion switch valve and different piping connections are avoided
Interference is generated, valve seat 510 is formed as polyhedral structure, the first valve casing 511,502 difference of the second valve casing 512, import 501 and outlet
It is arranged on the different surfaces of the polyhedral structure, wherein the installation direction of the first valve casing 511 and the second valve casing 512 mutually hangs down
Directly, the opening direction of import 501 and outlet 502 is mutually perpendicular to.In this way, import, export pipeline can be connected to polyhedron knot
On the different surfaces of structure, it can be avoided that pipeline arrangement is in disorder, the problem of tangling.
As a kind of typical internal structure of expansion switch valve, as shown in Figure 10 to Figure 13, inner flow passage includes difference
The first runner 506 and second flow channel 507 being connected to import 501, are formed on first runner 506 and the first spool 503 cooperates
The first valve port 516, restriction 505 be formed in second flow channel 507 be formed as with the second spool 504 cooperate the second valve port
517, first runner 506 and second flow channel 507 are intersected in the downstream of the second valve port 517 and are connected to outlet 502.
That is, realizing closing or opening to the first valve port 516 by the position for converting the first spool 503, and then control
It is connected to the truncation or conducting of the first runner 506 of import 501 and outlet 502, so as to realize above-described solenoid valve
Connection or the function of disconnecting connection.Similarly, cutting to the second valve port 517 is realized by converting the position of the second spool 504
Disconnected or conducting, so as to realize the throttling function of electric expansion valve.
First runner 506 and second flow channel 507 can be respectively communicated with import 501 and outlet with any appropriate arrangement
502, for the whole occupied space for reducing valve body 500, as shown in figure 14, second flow channel 507 opens up in the same direction with outlet 502, and first
Runner 506 be formed as with the orthogonal first through hole 526 of second flow channel 507, import 501 is by being provided with second flow channel 507
The second through-hole 527 on side wall is connected to second flow channel 507, and first through hole 526 and the second through-hole 527 connect respectively with import 501
It is logical.Wherein, first through hole 526 can be arranged or be arranged in parallel in spatial vertical with the second through-hole 527, and the present invention does not make this
Limitation, all belong to the scope of protection of the present invention among.
For the whole occupied space for being further simplified valve body 500, as shown in Figure 17 to Figure 20, import 501 and 502 phases of outlet
Mutually vertically it is provided on valve body 500.In this way, as shown in Figures 17 to 19, the axis of import 501 exports 502 axis (i.e.
The axis of second flow channel 507) and the axis of first runner 506 it is vertically arranged two-by-two in space, to prevent the first spool
503 and second spool 504 mobile generation interference, and can maximumlly utilize valve body 500 inner space.
It as shown in Figure 13 and Figure 14, is the closing and opening that are easy to implement the first valve port 516, the first spool 503 is along moving
Direction is with the coaxial laying of the first valve port 516 selectively to block or be detached from the first valve port 516.
For the closing and opening for being easy to implement the second valve port 517, the second spool 504 is along moving direction and the second valve port 517
It is coaxial to lay selectively to block or be detached from the second valve port 517.
Wherein, as shown in figure 16, reliability first runner 506 blocked for the first spool 503 of guarantee, the first spool
503 may include the first valve rod 513 and the first plug 523 for being connected to 513 end of the first valve rod, which uses
In on the end face for being sealed against the first valve port 516 to block first runner 506.
For the opening size convenient for adjusting the restriction 505 of expansion switch valve, as shown in Figure 13 and Figure 14, the second spool
504 include the second valve rod 514, and the end of second valve rod 514 is formed as taper header structure, and the second valve port 517 is formed as and is somebody's turn to do
The taper pore structure that taper header structure matches.
Wherein, 505 aperture of restriction for expanding switch valve can be adjusted by moving up and down for second spool 504, and
Moving up and down for second spool 504 can be adjusted by the second electromagnetic drive part 522.If expanding the restriction 505 of switch valve
Aperture be zero, as shown in figure 13, the second spool 504 is in extreme lower position, and the second spool 504 blocks the second valve port 517, refrigeration
Agent cannot pass through restriction 505, i.e. the second valve port 517 completely;If expanding switch valve restriction 505 has aperture, such as Figure 14 institute
Show that there is gap between the taper header structure and restriction 505 of the end of the second spool 504, flow to out again after refrigerant throttling
Mouth 502.It, can be by controlling the second electromagnetic drive part 522, so that second when if desired increasing the throttle opening of expansion switch valve
Spool 504 moves up, so that taper header structure is far from restriction 505, to realize becoming larger for 505 aperture of restriction;Phase
Instead, it when needing to reduce the aperture of restriction 505 of expansion switch valve, can drive mobile under 504 phase of the second spool.
In use, when only needing the solenoid valve function using expansion switch valve, as shown in Figure 13, Figure 16 and Figure 19, the
One spool 503 is detached from the first valve port 516, and the first valve port 516 is in the open state, and the second spool 504 is in extreme lower position, and second
Spool 504 blocks throttle orifice 505, and the refrigerant for flowing into inner flow passage from import 501 cannot pass through throttle orifice completely
505, the first valve port 516 can only be passed sequentially through, first through hole 526 flows into outlet 502.When solenoid valve power-off, the first spool
503 are moved to the left, and the first plug 523 and the separation of the first valve port 516, refrigerant can pass through from first through hole 526;Work as electromagnetism
Valve is powered, and the first spool 503 moves right, and the first plug 523 and the fitting of the first valve port 516, refrigerant can not be from first through hole
Pass through in 526.
It should be noted that the dotted line with the arrow in Figure 13 and Figure 19 represents refrigerant when using solenoid valve function
Flow route and trend.
When only needing the electric expansion valve function using expansion switch valve, as shown in Figure 14 and Figure 20, the second valve port
517, i.e. restriction 505 is in the open state, and the first spool 503 blocks the first valve port 516, flows into inside stream from import 501
The refrigerant in road can not can only pass sequentially through the second through-hole 527, restriction 505 flows into outlet 502 by first through hole 526
In, and can move up and down the second spool 504 to adjust the size of the aperture of restriction 505.
It should be noted that the dotted line with the arrow in Figure 14 and Figure 20, which represents refrigerant, is using electric expansion valve function
When flow route and trend.
When needing while using the solenoid valve function and electric expansion valve function of expansion switch valve, such as Figure 10, Tu17He
Shown in Figure 18, wherein dotted line with the arrow represents the glide path and trend of refrigerant, and the first spool 503 is detached from the first valve
Mouth 516, the first valve port 516 is in the open state, and restriction 505 is in the open state, and the refrigerant for flowing into inner flow passage can
To export 502 along first runner 506 and the flow direction of second flow channel 507 respectively, to have the function of solenoid valve and electronic expansion simultaneously
Valve function.
It should be understood that one of example of the above embodiment as just expansion switch valve, and and do not have to
In the limitation present invention, other have the function of that the expansion switch valve of expansion valve and switch valve function is equally applicable to the present invention simultaneously.
The present invention also provides a kind of electric car, the above-mentioned automotive thermal tube including providing according to the present invention manages system.Wherein,
The electric car can be hybrid vehicle.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (22)
1. a kind of automotive thermal tube manages system, which is characterized in that the automotive thermal tube reason system includes heat pump air conditioning system, battery pack
Heat-exchange system, engine-cooling system and the first plate heat exchanger (620), the heat pump air conditioning system and the engine cool
System is exchanged heat by first plate heat exchanger (620) and the battery pack heat-exchange system respectively, the heat pump air conditioning system
Including indoor condenser (601), indoor evaporator (602), compressor (604) and outdoor heat exchanger (605), the compressor
(604) outlet is connected to the entrance of the indoor condenser (601), the egress selection of the interior condenser (601)
It is connected to via first throttle branch or the first through-flow branch with the entrance of the outdoor heat exchanger (605), the outdoor heat exchanger
(605) egress selection via the second throttling branch or the second through-flow branch and selective on or off the first branch
(637) first end is connected to and is connected to the first end of the second branch of selective on or off (638), the first branch
(637) second end is connected to the entrance of the compressor (604), the second end of the second branch (638) and the interior
The entrance of evaporator (602) is connected to, and the outlet of the indoor evaporator (602) is connected to the entrance of the compressor (604), institute
The refrigerant inlet (620a) of the first plate heat exchanger (620) is stated via the cooling branch of battery of selective on or off
(621) with the outlet of the outdoor heat exchanger (605), or with the first end of the first branch (637) and described second
The first end of branch (638) is connected to, and the refrigerant outlet (620b) of first plate heat exchanger (620) is cooled back via battery
Stream branch (622) is connected to the entrance of the compressor (604), and the heat pump air conditioning system further includes the first expansion switch valve
(603), the outlet of the entrance of first expansion switch valve (603) and the indoor condenser (601), this first is expanded
The outlet for closing valve (603) is connected to the entrance of the outdoor heat exchanger (605), and the first throttle branch is first expansion
The throttling runner of switch valve (603), the first through-flow branch are the through-flow runner of first expansion switch valve (603).
2. automotive thermal tube according to claim 1 manages system, which is characterized in that be provided on the first branch (637)
First switch valve (639).
3. automotive thermal tube according to claim 1 manages system, which is characterized in that be provided on the second branch (638)
Second switch valve (640).
4. automotive thermal tube according to claim 1 manages system, which is characterized in that the heat pump air conditioning system further include: the
One triple valve (641), the egress selection of the outdoor heat exchanger (605) via the second throttling branch or the second through-flow branch
It is connected to the entrance of first triple valve (641), the first outlet and the first branch of first triple valve (641)
(637) first end connection, the second outlet of first triple valve (641) and the first end of the second branch (638) connect
It is logical.
5. automotive thermal tube according to claim 1 manages system, which is characterized in that first plate heat exchanger (620)
Refrigerant inlet (620a) is via the battery cooling branch (621) of selective on or off and the outdoor heat exchanger (605)
Outlet, and be provided with the first expansion valve (623) on the battery cooling branch (621).
6. automotive thermal tube according to claim 1 manages system, which is characterized in that first plate heat exchanger (620)
Battery cooling branch (621) and the first branch (637) of the refrigerant inlet (620a) via selective on or off
The connection of the first end of first end and the second branch (638), and flow is provided on the battery cooling branch (621)
Valve (625).
7. automotive thermal tube according to claim 1 manages system, which is characterized in that in the battery cooling for reflux branch
(622) the first check valve (626) are provided on.
8. automotive thermal tube according to claim 1 manages system, which is characterized in that the outlet of the indoor evaporator (602)
It is connected to via second one-way valve (627) with the entrance of the compressor (604).
9. automotive thermal tube according to claim 1 manages system, which is characterized in that the first plate heat exchanger (620) string
It is associated in the coolant circuit of the battery pack heat-exchange system, and is additionally provided in the coolant circuit and first plate
Concatenated first water pump (628) of formula heat exchanger (620), deputy tank (629) and battery pack (630).
10. automotive thermal tube according to claim 1 manages system, which is characterized in that the engine-cooling system includes the
Two water pumps (631), engine (632), indoor heater cores (633) and the second triple valve (634), second water pump (631)
Outlet be connected to the entrance (634a) of second triple valve (634), two of second triple valve (634) outlets
(634b, 634c) engine with the entrance of the indoor heater cores (633) and first plate heat exchanger (620) respectively
Coolant inlet (620c) connection, the outlet of the interior heater cores (633) and the hair of first plate heat exchanger (620)
Motivation cooling liquid outlet (620d) is connected to the coolant inlet of the engine (632), the cooling of the engine (632)
Liquid outlet is connected to the entrance of second water pump (631).
11. automotive thermal tube according to claim 10 manages system, which is characterized in that the engine-cooling system further includes
First ptc heater (635) and third triple valve (636), the outlet of the interior heater cores (633) and described first board-like
The engine coolant outlet (620d) of heat exchanger (620) is connected to the entrance (636a) of the third triple valve (636), institute
The first outlet (636b) for stating third triple valve (636) is connected to the coolant inlet of the engine (632), and the described 3rd 3
The second outlet (636c) of port valve (636) is connected to the entrance of second water pump (631), first ptc heater (635)
It is arranged between the outlet of second water pump (631) and the entrance (634a) of second triple valve (634), or setting exists
Between the entrance of second water pump (631) and the second outlet (636c) of the third triple valve (636).
12. automotive thermal tube according to claim 1 manages system, which is characterized in that the second through-flow branch road is provided with
4th switch valve (610), the second throttling branch road are provided with third expansion valve (609).
13. automotive thermal tube according to claim 12 manages system, which is characterized in that the automotive thermal tube reason system is applied to
Electric car, the automotive thermal tube reason system further includes electromotor cooling system;
The heat pump air conditioning system further include: the second plate heat exchanger (612), wherein second plate heat exchanger (612) sets
It sets in the described second through-flow branch, and second plate heat exchanger (612) is arranged in the electromotor cooling system simultaneously
In.
14. automotive thermal tube according to claim 13 manages system, which is characterized in that second plate heat exchanger (612)
Refrigerant inlet (612a) and the outdoor heat exchanger (605) outlet, the system of second plate heat exchanger (612)
Cryogen outlet (612b) is connected to the entrance of the 4th switch valve (610).
15. automotive thermal tube described in 3 or 14 manages system according to claim 1, which is characterized in that the electromotor cooling system includes
It is connected with second plate heat exchanger (612) with the motor, motor radiator (613) and third water pump (614) being formed into a loop.
16. automotive thermal tube according to claim 1 manages system, which is characterized in that the heat pump air conditioning system further includes the
Two expansions switch valve (606), the entrance of second expansion switch valve (606) and the outlet of the outdoor heat exchanger (605),
This second expansion switch valve (606) outlet be connected to the first end of the first branch (637) and with the second branch
(638) first end connection, the second throttling branch are the throttling runner of second expansion switch valve (606), described the
Two through-flow branches are the through-flow runner of second expansion switch valve (606).
17. automotive thermal tube according to claim 16 manages system, which is characterized in that the automotive thermal tube reason system is applied to
Electric car, the automotive thermal tube reason system further includes electromotor cooling system;
The heat pump air conditioning system further include: the second plate heat exchanger (612), wherein second plate heat exchanger (612)
The outlet of refrigerant inlet (612a) and second expansion switch valve (606), second plate heat exchanger (612)
Refrigerant outlet (612b) is connected to the first end of the first branch (637) and the first end with the second branch (638)
Connection, and second plate heat exchanger (612) is arranged in the electromotor cooling system simultaneously.
18. automotive thermal tube according to claim 17 manages system, which is characterized in that the electromotor cooling system includes motor
Coolant liquid main line (616), first motor coolant liquid branch (617) and the second motor coolant liquid branch (618), the motor are cooling
The first end on liquid main line (616) selectively with the first end of the first motor coolant liquid branch (617) or it is described second electricity
The first end of machine coolant liquid branch (618) is connected to, the second end of the first motor coolant liquid branch (617) and second electricity
The second end of machine coolant liquid branch (618) is connected to the second end on motor coolant liquid main line (616), wherein in the electricity
Motor, motor radiator (613) and third water pump (614) are in series on machine coolant liquid main line (616), it is cold in the first motor
But second plate heat exchanger (612) is in series on liquid branch (617).
19. automotive thermal tube according to claim 1 manages system, which is characterized in that the heat pump air conditioning system further includes gas
The outlet of liquid/gas separator (611), the gas-liquid separator (611) is connected to the entrance of the compressor (604), the gas-liquid point
The outlet of entrance and the indoor evaporator (602) from device (611), the second end of the first branch (637) and institute
The entrance connection of gas-liquid separator (611) is stated, the refrigerant outlet (620b) of first plate heat exchanger (620) is via described
Battery cooling for reflux branch (622) is connected to the entrance of the gas-liquid separator (611).
20. automotive thermal tube according to claim 1 manages system, which is characterized in that the heat pump air conditioning system further includes the
Two ptc heaters (619), second ptc heater (619) are used to add the wind for flowing through the indoor condenser (601)
Heat.
21. automotive thermal tube according to claim 20 manages system, which is characterized in that the second ptc heater (619) cloth
Set the windward side or leeward side in the indoor condenser.
22. a kind of electric car, which is characterized in that managed including automotive thermal tube described according to claim 1 any one of -21
System.
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CN109910542B (en) * | 2017-12-13 | 2021-03-26 | 郑州宇通客车股份有限公司 | Vehicle and vehicle thermal management system |
CN108482064B (en) * | 2018-04-18 | 2023-07-14 | 上海加冷松芝汽车空调股份有限公司 | Integrated passenger cabin air conditioner and battery pack thermal management heat pump system for new energy vehicle |
CN108592441A (en) * | 2018-05-21 | 2018-09-28 | 江西江铃集团新能源汽车有限公司 | Thermal management system of electric automobile |
CN109228824B (en) * | 2018-10-30 | 2023-10-31 | 珠海格力电器股份有限公司 | Integrated battery, motor and electric control integrated heat management system based on heat pump air conditioner and method thereof |
CN109774418B (en) * | 2019-02-18 | 2020-09-29 | 珠海格力电器股份有限公司 | Air conditioning system, control method thereof and automobile |
CN111660754A (en) * | 2019-03-08 | 2020-09-15 | 李社红 | Thermal management device, control method thereof and vehicle with thermal management device |
CN113629311B (en) * | 2020-05-07 | 2023-04-07 | 比亚迪股份有限公司 | Heat exchanger, vehicle-mounted battery thermal management system, vehicle and charging station |
CN114111089B (en) * | 2020-08-26 | 2023-01-03 | 广东美的暖通设备有限公司 | Air conditioning system and control method thereof |
CN114111088B (en) * | 2020-08-26 | 2023-01-10 | 广东美的暖通设备有限公司 | Air conditioning system and control method thereof |
CN112344575B (en) * | 2020-11-24 | 2024-01-30 | 山东朗进科技股份有限公司 | Heat recovery air conditioning system of power exchange station, control method of heat recovery air conditioning system and power exchange station |
CN112477554B (en) * | 2020-12-03 | 2023-12-26 | 安徽江淮松芝空调有限公司 | Battery thermal management system for electric automobile heat pump |
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CN105196834A (en) * | 2015-10-29 | 2015-12-30 | 北京新能源汽车股份有限公司 | Engine system for hybrid vehicle and hybrid vehicle |
CN105539067A (en) * | 2016-03-02 | 2016-05-04 | 天津三电汽车空调有限公司 | Vehicle air-conditioner system with battery heat management function |
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