CN107351619B

CN107351619B - Automotive thermal tube manages system and electric car

Info

Publication number: CN107351619B
Application number: CN201610304322.4A
Authority: CN
Inventors: 汪孟瑛; 叶梅娇; 陈雪峰; 黄健
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2016-05-10
Filing date: 2016-05-10
Publication date: 2019-11-22
Anticipated expiration: 2036-05-10
Also published as: CN107351619A

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, first plate heat exchanger and first switch valve, heat pump air conditioning system includes HVAC assembly, compressor and outdoor heat exchanger, HVAC assembly includes indoor condenser, indoor evaporator and air door mechanism, indoor condenser is connected to first switch valve, first switch valve is connected to outdoor heat exchanger, outdoor heat exchanger is connected to indoor evaporator, indoor evaporator is communicated with compressor, first plate heat exchanger is connected to via the cooling branch of battery with outdoor heat exchanger or indoor evaporator, it is communicated with compressor via battery heating branch, first plate heat exchanger is communicated with compressor via battery cooling for reflux branch, branch is heated to reflux via battery to be connected to first switch valve.Hereby it is achieved that interior refrigeration and heating, are also cooled down and are heated for battery, battery is made to work within the scope of suitable temperature.

Description

Automotive thermal tube manages system and electric car

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, the first plate heat exchanger and first Switch valve, the heat pump air conditioning system and the engine-cooling system pass through first plate heat exchanger and the electricity respectively Pond guarantee replacement hot systems heat exchange, the heat pump air conditioning system includes HVAC assembly, compressor and outdoor heat exchanger, the HVAC assembly Including indoor condenser, indoor evaporator and air door mechanism, the air door mechanism leads to the interior for selectively turning on The air duct of condenser and/or the air duct for leading to the indoor evaporator, the outlet of the compressor and the indoor condenser The outlet of entrance connection, the interior condenser is connected to the entrance of the first switch valve, the outlet of the first switch valve It is selectively connected to via first throttle branch or the first through-flow branch with the entrance of the outdoor heat exchanger, the outdoor heat exchange It is connected to via the second throttling branch or the second through-flow branch with the entrance of the indoor evaporator to the egress selection of device, it is described The outlet of indoor evaporator is connected to the entrance of the compressor, and the refrigerant inlet of first plate heat exchanger is via selection Property on or off the cooling branch of battery and the outdoor heat exchanger outlet or entrance with the indoor evaporator Connection, and via the outlet of the battery of selective on or off heating branch and the compressor, first plate The refrigerant outlet of formula heat exchanger is via the battery cooling for reflux branch of selective on or off and the entrance of the compressor It is connected to, and is heated to reflux the outlet of branch Yu the first switch valve via battery.

Optionally, first flow valve is provided on battery heating branch road.

Optionally, second switch valve is provided on the battery cooling for reflux branch road.

Optionally, the first check valve is additionally provided on the battery cooling for reflux branch road.

Optionally, it is heated to reflux on branch road in the battery and is provided with second one-way valve.

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 automotive thermal tube reason system further includes third switch valve, the egress selection of the outdoor heat exchanger Ground is connected to via the second throttling branch or the second through-flow branch with the entrance of the third switch valve, and the third is opened The outlet for closing valve is connected to the entrance of the indoor evaporator, and the refrigerant inlet of first plate heat exchanger is via selectivity The cooling branch of the battery of on or off is connected to the entrance of the third switch valve, and in the cooling branch Lu Shangshe of the battery It is equipped with second flow valve.

Optionally, the outlet of the indoor evaporator is connected to via third check 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 first threeway The outlet of valve, second water pump is connected to the entrance of first triple valve, the first outlet of first triple valve and Two outlets are connected to respectively with the engine coolant entrance of first plate heat exchanger and the entrance of the indoor heater cores Connection, the engine coolant outlet of first plate heat exchanger and the outlet of the indoor heater cores are started with described The coolant inlet of machine is connected to, and the cooling liquid outlet of the engine is connected to the entrance of second water pump.

Optionally, the described first through-flow branch road is provided with the 4th 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 5th 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 5th 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 outlet of the outdoor heat exchanger, the second expansion switch valve is connected to the entrance of the indoor evaporator, institute The throttling runner that the second throttling branch is the second expansion switch valve is stated, the second through-flow branch expands for described second Close the through-flow runner of 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 the interior The entrance of evaporator is connected to, and second plate heat exchanger is arranged in the electromotor cooling system simultaneously.

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 the second 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, and described first board-like changes The refrigerant outlet of hot device is connected to via the battery cooling for reflux branch with the entrance of the gas-liquid separator.

Optionally, the HVAC assembly further includes ptc heater, which is used for flowing through the indoor condensation The wind of device is heated.

Optionally, the 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 or heat, 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.

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:

Fig. 1 is a kind of structural schematic diagram of the heat pump air conditioning system of 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 is the overlooking structure diagram for the expansion switch valve that the preferred embodiment for the present invention provides；

Figure 10 is the schematic diagram of the section structure crossed by Fig. 9 middle line AB-AB, wherein the first valve port and the second valve port are equal It is in the open state；

Figure 11 is the positive structure diagram along a visual angle for the expansion switch valve that the preferred embodiment for the present invention provides；

Figure 12 is the schematic diagram of the section structure crossed by Fig. 9 middle line AB-AB, wherein the first valve port is in the open state, Second valve port is in closed state；

Figure 13 is the schematic diagram of the section structure crossed by Fig. 9 middle line AB-AB, wherein the first valve port is in closed state, Second valve port is in the open state；

Figure 14 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 15 is the schematic diagram of the section structure crossed by Figure 14 middle line AC-AC, wherein the first valve port is in open shape State, the second valve port are in closed state；

Figure 16 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 17 is the partial enlarged view in the portion A in Figure 16；

Figure 18 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 19 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.

Fig. 1 is a kind of structural schematic diagram of the heat pump air conditioning system of embodiment according to the present invention.As shown in Figure 1, should System may include: HVAC (heating and ventilation and air-conditioning, Heating Ventilation and Air Conditioning) total At 600, compressor 604 and outdoor heat exchanger 605.Wherein, HVAC assembly 600 may include indoor condenser 601, indoor evaporation Device 602 and air door mechanism (not shown), wherein air door mechanism, which can be used for selectively turning on, leads to indoor condenser 601 Air duct and/or the air duct for leading to indoor evaporator 602.

In the present invention, in HVAC assembly, lead to the air duct of indoor condenser 601 and lead to the wind of indoor evaporator 602 Being turned on and off for road can be independently controlled by air door mechanism.That is, can control wind only by air door mechanism By indoor condenser 601, perhaps only pass through indoor evaporator 602 or by indoor condenser 601 and indoor evaporator Both 602, thus, it is possible to realize the independent control of wind direction.

In addition, as shown in Figure 1, compressor 604 outlet with interior condenser 601 entrance be connected to, indoor condenser 601 Egress selection be connected to via first throttle branch or the first through-flow branch with the entrance of outdoor heat exchanger 605, outdoor is changed It is connected to via the second throttling branch or the second through-flow branch with the entrance of indoor evaporator 602 to the egress selection of hot device 605, The outlet of indoor evaporator 602 is connected to the entrance of compressor 604.

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 Figure 1, heat pump air conditioning system can also include the first expansion switch Valve 603, the entrance of the first expansion switch valve 603 and the outlet of indoor condenser 601, the first expansion switch valve 603 Outlet be connected to the entrance of outdoor heat exchanger 605, wherein first throttle branch be first expansion switch valve 603 throttling stream Road, the first through-flow branch are the through-flow runner of the first expansion switch valve 603.

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 the 4th switch valve 608 and second expansion valve 607, wherein the first through-flow branch road is provided with the 4th 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 the 4th 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 heat pump high-temperature refrigeration mode, the 4th is opened It closes valve 608 to be connected, the second expansion valve 607 is 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 heat pump low-temperature heating pattern, the conducting of the second expansion valve 607, the 4th switch valve 608 It closes, the outlet of indoor 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 Figure 1, heat pump air conditioning system can also include the second expansion switch valve 606, it should Second expansion switch valve 606 entrance and outdoor heat exchanger 605 outlet, this second expansion switch valve 606 outlet with The entrance of indoor evaporator 602 is connected to, wherein the second throttling branch is the throttling runner of the second expansion switch valve 606, and second is logical Flow the through-flow runner that branch is the second expansion switch valve 606.

Embodiment alternatively, as shown in figure 3, the heat pump air conditioning system can also include the 5th switch valve 610 and third expansion valve 609, wherein the second through-flow branch road is provided with the 5th 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 5th switch valve 610 and indoor steaming The entrance for sending out device 602 is connected to form the second through-flow branch, and the outlet of outdoor heat exchanger 605 is via third expansion valve 609 and room The entrance of interior evaporator 602 is connected to form the second throttling branch.When system is under heat pump high-temperature refrigeration mode, third is swollen Swollen valve 609 is connected, and the 5th switch valve 610 is closed, and the outlet of outdoor heat exchanger 605 is via the second throttling branch and indoor evaporator 602 entrance connection.When system is under low temperature heating mode, the 5th switch valve 610 conducting, third expansion valve 609 is closed, The outlet of outdoor heat exchanger 605 is connected to via the second through-flow branch with the entrance of indoor evaporator 602.

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 FIG. 1.

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 outlet of gas-liquid separator 611 is connected to the entrance of compressor 604.In this way, being flowed through indoor evaporator 602 Refrigerant out can first pass around gas-liquid separator 611 and carry out gas-liquid separation, and the gas isolated flows back into compressor 604 again In, to prevent liquid refrigerant from entering compressor 604 and damaging compressor 604, so as to extend making for compressor 604 With the service life, 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, so as to Improve the suction temperature and inspiratory capacity of compressor 604.

For example, as shown in Figure 5A, using the implementation of third expansion valve 609 and the 5th 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 5th 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 5th 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.Through After crossing the 5th switch valve 610 and indoor evaporator 602, what is come out from indoor evaporator 602 is still the gas of low-temp low-pressure, at this time 5th switch valve 610 and indoor evaporator 602 are only flowed through as runner.

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 entrance of indoor evaporator 602, and the second plate heat exchanger 612 is arranged electronic simultaneously In the electromotor cooling system of automobile.In this way, refrigerant can by the second plate heat exchanger 612 with it is cold in electromotor cooling system But liquid carries out heat exchange.

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 heat exchanger Heat exchange is carried out in 612.Specifically, electromotor cooling system may include motor coolant liquid main line 616, first motor coolant liquid branch Road 617 and the second motor coolant liquid branch 618, wherein the first end on motor coolant liquid main line 616 selectively with first motor The first end of coolant liquid branch 617 or the connection of the first end of the second motor coolant liquid branch 618.For example, in an embodiment In, the first end on motor coolant liquid main line 616 can be connected to the import 615a of the second triple valve 615, first motor coolant liquid The first end of branch 617 can be connected to the first outlet 615b of the second triple valve 615, the second motor coolant liquid branch 618 First end can be connected to the second outlet 615c of the second triple valve 615, as a result, by second triple valve 615, can control The first end on motor coolant liquid main line 616 is selectively cold with the first end of first motor coolant liquid branch 617 or the second motor But the first end connection of liquid branch 618.In addition, as shown in Figure 5 B, the second end and motor of first motor coolant liquid branch 617 are cold But liquid main line 616 second end connection, 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 second 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 second 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 ptc heater 619, the ptc heater 619 be used for flow through the wind of indoor condenser 601 into Row heating.

In the present invention, ptc heater 619 can be high pressure PTC (being driven by vehicle high-tension battery), voltage range: 200V-900V.Alternatively, ptc heater 619 or low pressure PTC (driving of 12V or 24V battery), voltage range: 9V- 32V.In addition, this ptc heater 619 can be by several or several pieces of PTC ceramics piece modules and radiating fin form one it is complete Whole 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.And And in order to improve the heating effect to the wind for flowing through indoor condenser 601, which can be with indoor condenser 601 are arranged in parallel.In other embodiments, which can also be arranged in blowing for the cabinet of HVAC assembly 600 At foot air port and defrosting outlet, it can also be arranged at the air port of defrosting duct.

It is cold with interior if ptc heater 619 to be arranged in the windward side or leeward side of cabinet interior room inner condenser 601 Condenser 601 be arranged in parallel, can the grooving on cabinet shell, ptc heater 619, which is inserted perpendicularly into, puts cabinet into, can also be indoors Welding support on 601 side plate of condenser, ptc heater 619 are fixed by screws on the bracket of indoor condenser 601.If Ptc heater 619 is arranged in the blowing at foot air port and defrosting outlet of cabinet, or is arranged at the air port of defrosting duct, can be led to Screw is crossed to be directly anchored 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, 619 auxiliary heating heating of ptc heater can be run, it is possible thereby to heating capacity is small when eliminating heat pump air conditioning system low-temperature heating, it is whole 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.As shown in fig. 7, automotive thermal tube reason system further includes first switch valve 635, wherein the outlet of indoor condenser 601 and the The entrance of one switch valve 635 is connected to, the egress selection of first switch valve 635 via first throttle branch or the first through-flow branch Road is connected to the entrance of outdoor heat exchanger 605.Specifically as shown in fig. 7, the outlet of first switch valve 635 can be via the first expansion Switch valve 603 is connected to the entrance of outdoor heat exchanger 605.In addition, the refrigerant inlet 620a of the first plate heat exchanger 620 via The outlet of the battery of selective on or off cooling branch 621 and outdoor heat exchanger 605, or via selectivity conducting or The cooling branch 621 of the battery of cut-off is connected to the entrance of indoor evaporator 602.In addition, the refrigerant of the first plate heat exchanger 620 For entrance 620a also via the outlet of battery the heating branch 636 and compressor 604 of selective on or off, first is board-like The refrigerant outlet 620b of heat exchanger 620 via selective on or off battery cooling for reflux branch 622 and compressor 604 Entrance connection, and be heated to reflux via battery the outlet of branch 637 Yu first switch valve 635.

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 is directly divided into two strands: one flows to the second expansion switch valve 606；Another plume is to the first expansion valve 623.In other words, 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 is connected to the entrance of indoor evaporator 602.Specifically, automotive thermal tube reason system System can also include third switch valve 624, lead to via the second throttling branch or second to the egress selection of outdoor heat exchanger 605 Stream branch is connected to the entrance of third switch valve 624.In specific embodiment shown in Fig. 8, the outlet of outdoor heat exchanger 605 It is connected to via the second expansion switch valve 606 with the entrance of third switch valve 624.The outlet of third switch valve 624 and indoor evaporation The entrance of device 602 is connected to, and the refrigerant inlet 620a of the first plate heat exchanger 620 is cold via the battery of selective on or off But branch 621 is connected to the entrance of third switch valve 624, and is provided with second flow valve on the cooling branch 621 of battery 625。

In this way, can be by control second flow valve 625 to control whether refrigerant can flow into the first plate-type heat-exchange The refrigerant inlet 620a of device 620, that is, the cooling branch 621 of control battery be it is in the conductive state, be in off state. In addition, control second 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 third switch valve 624, another plume to Second flow valve 625, to realize the distribution of the flow proportional of two strands of refrigerants.In other words, at this point, refrigerant is first on main line Carry out what then throttling decrease temperature and pressure was 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 third check valve 627 with the entrance of compressor 604.That is, third check 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.

It is returned in the structural schematic diagram of automotive thermal tube reason system shown in Fig. 7 below.As shown in fig. 7, the first plate-type heat-exchange The refrigerant inlet 620a of device 620 is via the battery heating branch 636 of selective on or off and going out for the compressor 604 Mouth connection, the refrigerant outlet 620b of first plate heat exchanger 620 are heated to reflux branch 637 and described first via battery The outlet of switch valve 635.

In the present invention, increase first switch valve between the outlet of indoor condenser 601 and the first expansion switch valve 603 635, and increase connection between the refrigerant inlet 620a of the first plate heat exchanger 620 and the entrance of indoor condenser 601 Battery heat branch 636, and connection the first plate heat exchanger 620 refrigerant outlet 620b and first switch valve 635 Outlet between battery be heated to reflux branch 637, and battery heating branch 636, the first plate heat exchanger 620 and battery heating Reflux branch 637, which is collectively constituted, to be used for what the branch where indoor condenser 601 and first switch valve 635 was in parallel to battery The refrigerant diverter branch of heating.In this way, when low temperature heating adds under battery-heated model, from the high temperature of compressor 604 out The refrigerant of high pressure is segmented into two strands: wherein in one refrigerant flow direction room condenser 601 entrance, condense heat release, increase Indoor environment temperature is the liquid refrigerant of medium temperature high pressure, the outlet of indoor condenser 601 from indoor condenser 601 out It is connected with the entrance of first switch valve 635, another strand of the first plate heat exchanger of refrigerant flow direction 620, and board-like changed by first Hot device 620 exchanges heat with the coolant liquid in the battery coolant circuit of battery pack heat-exchange system, condenses heat release, and coolant liquid absorbs The heat of refrigerant release, and then the heat temperature raising to battery pack may be implemented.

To heat branch convenient for whether control refrigerant flows through battery, it is provided on battery heating branch 636 first-class Measure valve 638.In this way, when needing to heat battery, for example, first flow valve can be opened under battery-heated model 638, at this point, battery heating branch 636 is connected, refrigerant can flow through the first plate heat exchanger 620, provide heat to battery pack Heat-exchange system.When not needing to heat battery, for example, first flow valve can be closed under battery refrigerating mode 638, at this point, battery heating branch 636 ends, so that it is right to prevent the refrigerant of high temperature and pressure from entering the first plate heat exchanger 620 Battery carries out heat temperature raising, and the temperature of battery is caused to further increase.In addition, first flow valve 638 also has two bursts of systems of distribution The effect of the ratio of cryogen flow.

To prevent under battery-heated model, from the low temperature of the refrigerant outlet 620b of the first plate heat exchanger 620 out The liquid refrigerant of high pressure flows directly into compressor 604, causes the damage to compressor, on battery cooling for reflux branch 622 It is provided with second switch valve 639.In this way, second switch valve 639 can be closed when system is under battery-heated model, at this point, Battery cooling for reflux branch 622 ends, so that the cryogenic high pressure come out from the refrigerant outlet 620b of the first plate heat exchanger 620 Liquid refrigerant be all heated to reflux branch 637 via battery and flow to the first expansion switch valve 603.

To prevent under battery refrigerating mode, the gas refrigerant of the high temperature and pressure come out from indoor condenser 601 passes through After first switch valve 635, it is heated to reflux the refrigerant outlet 620b that branch 637 flows to the first plate heat exchanger 620 along battery, It is heated to reflux on branch 637 in battery and is provided with second one-way valve 640.That is, second one-way valve 640 can uniaxially allow to freeze Agent flows to the entrance of the first expansion switch valve 603 from the refrigerant outlet 620b of the first plate heat exchanger 620, and cannot be along 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.When battery heating branch 636 is connected, the refrigerant of heat pump air conditioning system can be with The first plate heat exchanger 620 is flowed into via the refrigerant inlet 620a of the first plate heat exchanger 620, and via the first plate-type heat-exchange The refrigerant outlet 620b of device 620 flows out the first plate heat exchanger 620.In this way, passing through the first plate heat exchanger 620, Ke Yishi The heat exchange of existing refrigerant and battery coolant liquid, to carry out heat temperature raising 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 is other than with the outlet of indoor evaporator 602, The refrigerant outlet 620b of first plate heat exchanger 620 also entering via battery cooling for reflux branch 622 and gas-liquid separator 611 Mouth connection.In other words, gas-liquid separator 611 can also be first passed around from the refrigerant that the first plate heat exchanger 620 comes out to carry out Gas-liquid separation, the gas isolated are flowed back into again in compressor 604, thus prevent liquid refrigerant enter compressor 604 and Damage compressor 604.

In addition, as shown in Figure 7 and Figure 8, engine-cooling system includes the second water pump 631, engine 632, indoor warm wind Core 633 and the first triple valve 634, wherein the outlet of the second water pump 631 connects with the entrance 634a of first triple valve 634 Logical, the first outlet 634b and second outlet 634c of the first triple valve 634 are cold with the engine of the first plate heat exchanger 620 respectively But liquid entrance 620c connection is connected to the entrance of indoor heater cores 633, and the engine coolant of the first plate heat exchanger 620 goes out Mouth 620d is connected to the coolant inlet of engine 632 with the outlet of indoor heater cores 633, the coolant liquid of engine 632 Outlet is connected to the entrance of the second water pump 631.

When opening the second water pump 631, the entrance 634a of the first triple valve 634 of conducting goes out with the first of the first 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 is heated.Further, it is also possible to pass through the first threeway of conducting The second outlet 634c of the entrance 634a of valve 634 and the first triple valve 634, so that engine coolant flows into indoor heater cores 633, to realize that using engine exhaust heat be interior heating.

It will carry out the automotive thermal tube that the present invention is described in detail provides by taking Fig. 7 as an example below and manage system under different working modes Cyclic process and principle.It should be understood that the system under other embodiments (for example, embodiment shown in Fig. 8) is followed Ring process and principle with Fig. 7 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 high temperature Cooling cycle system.As shown in fig. 7, firstly, the gas of high temperature and pressure is discharged through overcompression for compressor 604, with indoor condenser 601 are connected.At this point, control wind without indoor condenser 601 by air door mechanism, due to calm process, cold indoors It not will do it heat exchange in condenser 601, which only uses as runner, comes out at this time from indoor condenser 601 Still be high temperature and pressure gas.The indoor outlet of condenser 601 is via first switch valve 635 and the first expansion 603 phase of switch valve Even, the first expansion switch valve 603 plays switch valve action at this time, only flows through as runner, goes out at this time from the first expansion switch valve 603 What is come is still the gas of high temperature and pressure.First expansion switch valve 603 outlet is connected with outdoor heat exchanger 605, outdoor heat exchanger 605 It exchanges heat with outdoor air, heat is dispersed into air, be out the liquid of medium temperature high pressure from outdoor heat exchanger 605.It is outdoor The outlet of heat exchanger 605 is connected with the second expansion switch valve 606, and the second expansion switch valve 606 plays expansion valve action at this time, as section Fluid element plays throttling action, and coming out is low temperature and low pressure liquid.Second expansion 606 aperture of switch valve can be according to practical need It asks and gives certain aperture, this aperture can be according to the entrance for the outlet and gas-liquid separator 611 for being mounted on indoor evaporator 602 Between the pressure and temperature acquisition data of pressure-temperature sensor calculate Refrigerant Superheat at Evaporator Outlet and adjust.The Two expansion switch valves 606 outlets are connected with the entrance of indoor evaporator 602, low temperature and low pressure liquid indoors evaporator 602 it is interior into Row evaporates, and heat in absorption chamber reduces room temperature, so that being out the gas of low-temp low-pressure from indoor evaporator 602.Room Interior evaporator 602 is connected via third check valve 627 with gas-liquid separator 611, and 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 Apoplexy flows only through indoor evaporator 602, and the calm process of indoor condenser 601 is only flowed through as refrigerant flow path.Also, at this Under mode, the first expansion valve 623 is closed, and the first water pump 628 is closed, and the second water pump 631 is closed, the power-off of the first triple valve 634, That is, closing, first switch valve 635 is opened, and first flow valve 638 is closed.

Mode two: battery cooling cycle mode.As shown in fig. 7, firstly, high temperature and pressure is discharged through overcompression in compressor 604 Gas, be connected with indoor condenser 601.At this point, controlling wind without indoor condenser 601, due to nothing by air door mechanism Wind passes through, and therefore, not will do it heat exchange in condenser 601 indoors, which only uses as runner, this When from indoor condenser 601 come out still be high temperature and pressure gas.The indoor outlet of condenser 601 is via first switch valve 635 It is connected with the first expansion switch valve 603, the first expansion switch valve 603 plays switch valve action at this time, only flows through as runner, at this time What is come out from the first expansion switch valve 603 is still the gas of high temperature and pressure.First expansion switch valve 603 outlet and outdoor heat exchanger 605 are connected, and outdoor heat exchanger 605 and outdoor air exchange heat, and heat is dispersed into air, come out from outdoor heat exchanger 605 For the liquid of medium temperature high pressure.The outlet of outdoor heat exchanger 605 is connected with the first expansion valve 623, by the throttling of the first expansion valve 623 Cooling, coming out from the first expansion valve 623 is low temperature and low pressure liquid.First expansion valve, 623 aperture can give according to actual needs Certain aperture is given, this aperture can be according to the refrigerant outlet 620b and gas-liquid separation for being mounted on the first plate heat exchanger 620 The pressure and temperature of pressure-temperature sensor between the entrance of device 611 acquires data to adjust.The outlet of first expansion valve 623 Be connected with the refrigerant inlet 620a of the first plate heat exchanger 620, low temperature and low pressure liquid in the first plate heat exchanger 620 with from The hot water that battery pack 630 comes out carries out heat exchange, so that being out from the refrigerant outlet 620b of the first plate heat exchanger 620 The gas of low-temp low-pressure.The refrigerant outlet 620b of first plate heat exchanger 620 is connected with second switch valve 639, second switch Valve 639 is connected with the first check valve 622, and the gas of low-temp low-pressure enters after second switch valve 639 and the first check valve 622 Gas-liquid separator 611 is separated the liquid not being evaporated by gas-liquid separator 611, and the gas of last low-temp low-pressure returns to pressure In contracting machine 604, a circulation is consequently formed.At this point, the calm process of indoor condenser 601, only flows 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 closed, and the first water pump 628 is opened, the second water Pump 631 is closed, and the first triple valve 634 power-off, first switch valve 635 is opened, and first flow valve 638 is closed, second switch valve 639 It opens.

Mode three: heat pump high-temperature refrigeration is powered on pond cooling cycle mode.As shown in fig. 7, 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, controlling wind without indoor cold by air door mechanism Condenser 601, due to calm process, not will do it heat exchange in condenser 601 indoors, which only makees For runner use, what is come out from indoor condenser 601 is still the gas of high temperature and pressure at this time.The outlet of indoor condenser 601 via First switch valve 635 is connected with the first expansion switch valve 603, and the first expansion switch valve 603 plays switch valve action at this time, only conduct Runner flows through, and what is come out at this time from the first expansion switch valve 603 is still the gas of high temperature and pressure.First expansion switch valve 603 goes out Mouth is connected with outdoor heat exchanger 605, and outdoor heat exchanger 605 and outdoor air exchange heat, and heat is dispersed into air, is changed from outdoor Hot device 605 is the liquid of medium temperature high pressure out.The outlet of outdoor heat exchanger 605 expands switch valve 606 and first with second respectively Expansion valve 623 is connected, at this point, the liquid of the medium temperature high pressure come out from outdoor heat exchanger 605 is divided into two strands: it is swollen that one flows to second The entrance of swollen switch valve 606, at this point, second expansion switch valve 606 rise expansion valve action it is identical, play throttling as restricting element Effect, coming out is low temperature and low pressure liquid.The aperture of second expansion switch valve 606 can be given certain according to actual needs Aperture, this aperture can be according to the pressure-between the entrance for the outlet and gas-liquid separator 611 for being mounted on indoor evaporator 602 The pressure and temperature acquisition data of temperature sensor calculate Refrigerant Superheat at Evaporator Outlet to adjust.Second expansion switch valve 606 outlets are connected with the entrance of indoor evaporator 602, and low temperature and low pressure liquid is evaporated in evaporator 602 indoors, absorption chamber Interior heat reduces room temperature, so that being out the gas of low-temp low-pressure from indoor evaporator 602.Another plume is to first The entrance of expansion valve 623, the aperture of the first expansion valve 623 can give certain aperture according to actual needs, this aperture can be with According to the pressure-temperature sensing between the refrigerant outlet 620b of the first plate heat exchanger 620 and the entrance of gas-liquid separator 611 The pressure and temperature of device acquires data to adjust.Cool down by the throttling of the first expansion valve 623, is come out from the first expansion valve 623 It is low temperature and low pressure liquid.The outlet of first expansion valve 623 is connected with the refrigerant inlet 620a of the first plate heat exchanger 620, low Warm 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 first is board-like The refrigerant outlet 620b of heat exchanger 620 is the gas of low-temp low-pressure.The outlet of indoor evaporator 602 is via third check valve 627 are connected with gas-liquid separator 611, and the refrigerant outlet 620b of the first plate heat exchanger 620 is connected with second switch valve 639, Second switch valve 639 is connected with the first check valve 622, the low temperature that the refrigerant outlet 620b of the first plate heat exchanger 620 comes out The low-temp low-pressure that the gas of low pressure comes out after second switch valve 639 and the first check valve 622 and from indoor evaporator 602 Gas is converged, and enters gas-liquid separator 611, and the liquid not being evaporated is separated by gas-liquid separator 611, last low The gas of warm low pressure returns in compressor 604, and a circulation is consequently formed.600 apoplexy of HVAC assembly flows only through indoor steaming at this time Device 602 is sent out, the calm process of indoor condenser 601 is only flowed through as refrigerant flow path.Also, in this mode, the first expansion valve 623 open, and the second expansion switch valve 606 is opened, and the first water pump 628 is opened, and the second water pump 631 is closed, and the first triple valve 634 is disconnected Electricity, first switch valve 635 are opened, and first flow valve 638 is closed, and second switch valve 639 is opened.

Mode four: heat pump low-temperature heating circulation pattern.As shown in fig. 7, 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 via first switch valve 635 with the first expansion switch valve 603, and the first expansion switch valve 603 plays expansion valve at this time Effect, plays throttling action as restricting element, is out the liquid of low-temp low-pressure.Wherein, the first expansion switch valve 603 Aperture can give certain aperture according to actual needs, this aperture can be according to the exit for being mounted on compressor 604 The number of the temperature acquisition data (i.e. compressor exhaust temperature) of pressure-temperature sensor is adjusted.First expansion switch valve 603 Outlet is connected with outdoor heat exchanger 605, and outdoor heat exchanger 605 absorbs the heat of outdoor air, comes out from outdoor heat exchanger 605 For the gas of low-temp low-pressure.The outlet of outdoor heat exchanger 605 is connected with the second expansion switch valve 606, at this time the second expansion switch valve 606 play switch valve, only flow through as a runner.Second expansion switch valve 606 outlet enters with indoor evaporator 602 Mouth is connected.Wind is controlled by air door mechanism and only flows to indoor condenser 601 without flowing to indoor evaporator 602, so that indoor steaming It sends out in device 602 without heat exchange, is only used as a runner, what is come out is still the gas of low-temp low-pressure.Indoor evaporation Device 602 is connected via third check valve 627 with gas-liquid separator 611, and the liquid not being evaporated is divided by gas-liquid separator 611 From the gas of last low-temp low-pressure returns in compressor 604, and a circulation is consequently formed.600 apoplexy of HVAC assembly only flows at this time Through indoor condenser 601, the calm process of indoor evaporator 602 is only flowed through as refrigerant flow path.Also, in this mode, One expansion valve 623 is closed, and the first water pump 628 is closed, and the second water pump 631 is closed, the power-off of the first triple valve 634, first switch valve 635 open, and first flow valve 638 is closed.

Mode five: engine low temperature heats circulation pattern.As shown in fig. 7, the high temperature coolant warp come out from engine 632 Cross the second water pump 631, the entrance 634a of the first triple valve 634, outlet 634c, using indoor heater cores 633 and air into Row heat exchange cooling is the coolant liquid of low temperature, then flow back into engine 632, thus completes a circulation.In this mode, it presses Contracting machine 604, first switch valve 635, first flow valve 638, second switch valve 639, first expand switch valve 603, second and expand All in off-position, the first water pump 628 is closed for switch valve 606, the first expansion valve 623, the operation of the second water pump 631, and the one or three The outlet the entrance 634a- 634c of port valve 634 is logical, and it is obstructed that entrance 634a- exports 634b.

Mode six: heat pump mode battery heat cycles mode.As shown in fig. 7, firstly, compressor 604 is discharged through overcompression The gas of high temperature and pressure is connected with first flow valve 638, and first flow valve 638 and the refrigerant of the first plate heat exchanger 620 enter Mouthful 620a is connected, and at the refrigerant of the first plate heat exchanger 620 and cold water that battery pack 630 comes out carries out heat exchange, and first The refrigerant outlet 620b of plate heat exchanger 620 is the liquid refrigerant of medium temperature high pressure.The refrigerant of first plate heat exchanger 620 Outlet 620b is connected by second one-way valve 640 with the outlet of first switch valve 635, the outlet of first switch valve 635 and first The entrance for expanding switch valve 603 is connected.The first expansion switch valve 603 plays expansion valve at this time, plays as restricting element Throttling action is the liquid of low-temp low-pressure out.Wherein, the aperture of the first expansion switch valve 603 can be according to practical need It asks and gives certain aperture, this aperture can be according to the temperature of the pressure-temperature sensor in the exit for being mounted on compressor 604 Acquisition data (i.e. compressor exhaust temperature) number adjust.First expansion switch valve 603 outlet and 605 phase of outdoor heat exchanger Even, outdoor heat exchanger 605 absorbs the heat of outdoor air, is out the gas of low-temp low-pressure from outdoor heat exchanger 605.It is outdoor The outlet of heat exchanger 605 is connected with the second expansion switch valve 606, and the second expansion switch valve 606 plays switch valve at this time, only makees It is flowed through for a runner.Second expansion switch valve 606 outlet is connected with the entrance of indoor evaporator 602.Pass through air door mechanism control Wind processed does not flow to indoor evaporator 602, so that only used as a runner without heat exchange in indoor evaporator 602, Out still be low-temp low-pressure gas.Indoor evaporator 602 is connected via third check valve 627 with gas-liquid separator 611, The liquid not being evaporated is separated by gas-liquid separator 611, and the gas of last low-temp low-pressure returns in compressor 604, thus shape It is recycled at one.It can be that battery pack is added using the refrigerant of heat pump air conditioning system by the first plate heat exchanger 620 Heat increases the temperature of battery pack.The air door mechanism in HVAC assembly 600 is closed at this time, and wind does not flow to indoor 601 He of condenser Indoor evaporator 602, only flows through as refrigerant flow path.And in this mode, first switch valve 635 is closed, first flow Valve 638 adjusts certain aperture as needed, and the first expansion valve 623 is in close state, and the second expansion switch valve 606 is opened, and first Water pump 628 is opened, and the second water pump 631 is closed, the power-off of the first triple valve 634.

Mode seven: engine mode battery heat cycles mode.As shown in fig. 7, the High-temperature cooling come out from engine 632 Liquid flows to the first plate heat exchanger 620, with electricity by the second water pump 631, the entrance 634a of the first triple valve 634, outlet 634b The cold water that pond packet 630 comes out carries out heat exchange cooling and is the coolant liquid of low temperature, then flow back into engine 632, thus completes hair Motivation mode battery heats a circulation.By the first plate heat exchanger 620, can be battery pack using engine coolant into Row heating, increases the temperature of battery pack.In this mode, compressor 604, first switch valve 635, first flow valve 638, second Switch valve 639, first expands switch valve 603, second and expands switch valve 606, the first expansion valve 623 all in off-position, the The outlet the entrance 634a- 634b of the operation of one water pump 628, the operation of the second water pump 631, the first triple valve 634 is logical, and entrance 634a- goes out Mouth 634c is obstructed.

Mode eight: heat pump mode low-temperature heating is powered on pond heat cycles mode.As shown in fig. 7, firstly, compressor 604 passes through The gas of high temperature and pressure is discharged in overcompression, is connected respectively with indoor condenser 601 and the entrance of first flow valve 638 is connected, this When, the gas of high temperature and pressure come out from compressor 604 is divided into two strands: one is condensed in condenser 601 indoors, so that It is out the liquid of medium temperature high pressure, the outlet of indoor condenser 601 and entering for first switch valve 635 from indoor condenser 601 Mouth is connected.Another stock-traders' know-how cross first flow valve 638 flow into the first plate heat exchanger 620, at the first plate heat exchanger 620 with from The cold water that battery pack 630 comes out carries out heat exchange, and the refrigerant outlet 620b of the first plate heat exchanger 620 is the liquid of medium temperature high pressure The refrigerant outlet 620b of state refrigerant, the first plate heat exchanger 620 passes through second one-way valve 640 and first switch valve 635 Outlet is connected.The liquid refrigerant of two bursts of medium temperature high pressures converges in the exit of first switch valve 635, and flows into the first expansion The entrance of switch valve 603.The first expansion switch valve 603 plays expansion valve at this time, plays throttling action as restricting element, It is the liquid of low-temp low-pressure out.Wherein, the aperture of the first expansion switch valve 603 can be given centainly according to actual needs Aperture, this aperture can be according to the temperature acquisition data of the pressure-temperature sensor in the exit for being mounted on compressor 604 The number of (i.e. compressor exhaust temperature) is adjusted.First expansion switch valve 603 outlet is connected with outdoor heat exchanger 605, outdoor Heat exchanger 605 absorbs the heat of outdoor air, is out the gas of low-temp low-pressure from outdoor heat exchanger 605.Outdoor heat exchanger 605 outlets are connected with the second expansion switch valve 606, and the second expansion switch valve 606 plays switch valve at this time, are only used as one Runner flows through.Second expansion switch valve 606 outlet is connected with the entrance of indoor evaporator 602.Wind is controlled only by air door mechanism Indoor condenser 601 is flowed to without flowing to indoor evaporator 602, so that without heat exchange, only conduct in indoor evaporator 602 One runner uses, and what is come out is still the gas of low-temp low-pressure.Indoor evaporator 602 is via third check valve 627 and gas-liquid Separator 611 is connected, and the liquid not being evaporated is separated by gas-liquid separator 611, the gas of last low-temp low-pressure returns to pressure In contracting machine 604, a circulation is consequently formed.By the first plate heat exchanger 620, the refrigerant of heat pump air conditioning system can be utilized It is heated for battery pack, increases the temperature of battery pack.600 apoplexy of HVAC assembly flows only through indoor condenser 601 at this time, indoor The calm process of evaporator 602, only flows through as refrigerant flow path.Also, in this mode, first flow valve 638 is adjusted as needed Certain aperture, first switch valve 635 is in the open state, and the first expansion valve 623 is in close state, second switch valve 639 It closes, the first water pump 628 is opened, and the second water pump 631 is closed, the power-off of the first triple valve 634.

Mode nine: engine mode low-temperature heating is powered on pond heat cycles mode.As shown in fig. 7, being come out from engine 632 High temperature coolant by the second water pump 631, the first triple valve 634 punish flow, all the way pass through the first triple valve 634 entrance 634a- exports 634b to the first plate heat exchanger 620, and carrying out heat exchange cooling with the cold water that battery pack 630 comes out is low temperature Coolant liquid, another way export 634c by the entrance 634a- of the first triple valve 634 and carry out to indoor heater cores 633 with air Heat exchange cooling is the coolant liquid of low temperature, from the engine coolant of the first plate heat exchanger 620 outlet 620d and indoor warm wind The refrigerant that core 633 flows out is flow back into engine 632 together again, thus completes an engine mode low-temperature heating power-up Pond heat cycles.By the first plate heat exchanger 620, it can be that battery pack is heated using engine coolant, increase electricity The temperature of Chi Bao.In this mode, compressor 604, first switch valve 635, first flow valve 638, second switch valve 639, One expansion switch valve 603, second expands switch valve 606, the first expansion valve 623 all in off-position, the first water pump 628 fortune The outlet the entrance 634a- 634b of row, the operation of the second water pump 631, the first triple valve 634 is logical, and it is logical that entrance 634a- exports 634c.

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 9, 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, the second valve with outlet 502 Core 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 Fig. 9 to Figure 14, valve body 500 includes being formed The valve seat 510 of inner flow passage and the first valve casing 511 and the second valve casing 512 being mounted on the valve seat 510, in the first valve casing 511 The first electromagnetic drive part 521 for driving the first spool 503 is installed, is equipped in the second valve casing 512 for driving second Second electromagnetic drive part 522 of spool 504, the first spool 503 extend to the inner flow passage in valve seat 510 from the first valve casing 511, Second spool 504 extends 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 expansion switch valve a kind of typical internal structure, as shown in Fig. 9 to Figure 12, inner flow passage include respectively with The first runner 506 and second flow channel 507 that import 501 is connected to, are formed on first runner 506 and the first spool 503 cooperation First valve port 516, restriction 505 are formed in second flow channel 507 to be formed as the second valve port cooperated with the second spool 504 517, 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 13, 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 16 to Figure 19, import 501 and 502 phases of outlet Mutually vertically it is provided on valve body 500.In this way, as shown in Figure 16 to Figure 18, 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 12 and Figure 13, 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 15, 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 12 and Figure 13, 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 12, 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 13 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 12, Figure 15 and Figure 18, 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 12 and Figure 18 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 13 and Figure 19, 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 13 and Figure 19, 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, Tu16He Shown in Figure 17, 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

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, the first plate heat exchanger (620) and first switch valve (635), the heat pump air conditioning system It is exchanged heat respectively by first plate heat exchanger (620) and the battery pack heat-exchange system with the engine-cooling system, The heat pump air conditioning system includes HVAC assembly (600), compressor (604) and outdoor heat exchanger (605), the HVAC assembly It (600) include indoor condenser (601), indoor evaporator (602) and air door mechanism, the air door mechanism is for selectively leading To the air duct of the indoor condenser (601) and/or lead to the air ducts of the indoor evaporator (602), the compressor all (604) outlet be connected to the entrance of the indoor condenser (601), the outlet of the interior condenser (601) and described the The entrance of one switch valve (635) is connected to, the egress selection of the first switch valve (635) via first throttle branch or the One through-flow branch is connected to the entrance of the outdoor heat exchanger (605), is passed through to the egress selection of the outdoor heat exchanger (605) It is connected to by the second throttling branch or the second through-flow branch with the entrance of the indoor evaporator (602), the indoor evaporator (602) outlet is connected to the entrance of the compressor (604), the refrigerant inlet of first plate heat exchanger (620) (620a) cools down the outlet of branch (621) and the outdoor heat exchanger (605) via the battery of selective on or off Or it is connected to the entrance of the indoor evaporator (602), and heat branch (636) via the battery of selective on or off With the outlet of the compressor (604), the refrigerant outlet (620b) of first plate heat exchanger (620) is via selection The battery cooling for reflux branch (622) of property on or off is connected to the entrance of the compressor (604), and is added via battery The outlet of heat reflux branch (637) and the first switch valve (635).

2. automotive thermal tube according to claim 1 manages system, which is characterized in that in battery heating branch (636) It is provided with first flow valve (638).

3. automotive thermal tube according to claim 1 manages system, which is characterized in that in the battery cooling for reflux branch (622) second switch valve (639) are provided on.

4. automotive thermal tube according to claim 3 manages system, which is characterized in that in the battery cooling for reflux branch (622) the first check valve (626) are additionally provided on.

5. automotive thermal tube according to claim 1 manages system, which is characterized in that be heated to reflux branch in the battery (637) second one-way valve (640) are provided on.

6. 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).

7. automotive thermal tube according to claim 1 manages system, which is characterized in that the automotive thermal tube reason system further includes the Three switch valves (624), the egress selection of the outdoor heat exchanger (605) via it is described second throttling branch or described second Through-flow branch is connected to the entrance of the third switch valve (624), the outlet of the third switch valve (624) and the indoor steaming Send out the entrance connection of device (602), the refrigerant inlet (620a) of first plate heat exchanger (620) via selectivity conducting or The battery of cut-off cooling branch (621) is connected to the entrance of the third switch valve (624), and in the cooling branch of the battery (621) second flow valve (625) are provided on.

8. automotive thermal tube according to claim 1 manages system, which is characterized in that the outlet of the indoor evaporator is via the Three check valves (627) are connected to 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 first triple valve (634), second water pump (631) Outlet be connected to the entrance (634a) of first triple valve (634), the first outlet of first triple valve (634) (634b) and second outlet (634c) connect with the engine coolant entrance (620c) of first plate heat exchanger (620) respectively The logical entrance with the indoor heater cores (633) is connected to, the engine coolant outlet of first plate heat exchanger (620) (620d) is connected to the coolant inlet of the engine (632) with the outlet of the indoor heater cores (633), the hair The cooling liquid outlet of motivation (632) is connected to the entrance of second water pump (631).

11. automotive thermal tube according to claim 1 manages system, which is characterized in that the first through-flow branch road is provided with 4th switch valve (608), the first throttle branch road are provided with the second expansion valve (607).

12. automotive thermal tube according to claim 1 manages system, which is characterized in that the heat pump air conditioning system further includes the One expansion switch valve (603), the outlet of the entrance of first expansion switch valve (603) and the indoor condenser (601), The outlet of first expansion switch valve (603) is connected to the entrance of the outdoor heat exchanger (605), and the first throttle branch is The throttling runner of first expansion switch valve (603), the first through-flow branch are first expansion switch valve (603) Through-flow runner.

13. automotive thermal tube according to claim 1 manages system, which is characterized in that the second through-flow branch road is provided with 5th switch valve (610), the second throttling branch road are provided with third expansion valve (609).

14. automotive thermal tube according to claim 13 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.

15. automotive thermal tube according to claim 14 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 5th switch valve (610).

16. automotive thermal tube according to claim 14 or 15 manages system, 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.

17. 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), The outlet of second expansion switch valve (606) is connected to the entrance of the indoor evaporator (602), and the second throttling branch is The throttling runner of second expansion switch valve (606), the second through-flow branch are second expansion switch valve (606) Through-flow runner.

18. automotive thermal tube according to claim 17 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 entrance of the indoor evaporator (602), and second plate heat exchanger (612) is same When be arranged in the electromotor cooling system.

19. automotive thermal tube according to claim 18 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 the second 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).

20. 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 refrigeration of first plate heat exchanger (620) Agent outlet (620b) is connected to via the battery cooling for reflux branch (622) with the entrance of the gas-liquid separator (611).

21. automotive thermal tube according to claim 1 manages system, which is characterized in that the HVAC assembly (600) further includes Ptc heater (619), the ptc heater (619) are used to heat the wind for flowing through the indoor condenser (601).

22. automotive thermal tube according to claim 21 manages system, which is characterized in that the ptc heater (619) is arranged in The windward side or leeward side of the interior condenser.

23. a kind of electric car, which is characterized in that managed including automotive thermal tube described according to claim 1 any one of -22 System.