CN107351629A - Automotive thermal tube manages system and electric automobile - Google Patents

Automotive thermal tube manages system and electric automobile Download PDF

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Publication number
CN107351629A
CN107351629A CN201610308045.4A CN201610308045A CN107351629A CN 107351629 A CN107351629 A CN 107351629A CN 201610308045 A CN201610308045 A CN 201610308045A CN 107351629 A CN107351629 A CN 107351629A
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CN
China
Prior art keywords
branch road
heat exchanger
valve
outlet
switch valve
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Granted
Application number
CN201610308045.4A
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Chinese (zh)
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CN107351629B (en
Inventor
黄健
汪孟瑛
陈雪峰
叶梅娇
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BYD Co Ltd
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BYD Co Ltd
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Priority to CN201610308045.4A priority Critical patent/CN107351629B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H1/00278HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B60H1/00392Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/02Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
    • B60H1/03Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant
    • B60H1/034Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant from the cooling liquid of the propulsion plant and from an electric heating device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H2001/00307Component temperature regulation using a liquid flow

Abstract

The invention discloses a kind of automotive thermal tube reason system and electric automobile.The automotive thermal tube reason system includes heat pump type air conditioning system, battery bag heat-exchange system, first switch valve and the first plate type heat exchanger, the refrigerant inlet of first plate type heat exchanger cools down branch road and outdoor heat exchanger outlet via the battery of on or off, or connected with the first end of the first end of the tie point of on or off and the second branch road of on or off, and connected via the battery heating branch road of on or off with compressor, the refrigerant outlet of first plate type heat exchanger connects via the battery cooling for reflux branch road of on or off with compressor, and it is heated to reflux branch road via battery and is connected with first switch valve outlet, first plate type heat exchanger is simultaneously in series-connected cell coolant circuit.So, battery is cooled down or heated using refrigerant so that battery works within the scope of suitable temperature all the time, to improve the efficiency for charge-discharge of battery, endurance and service life.

Description

Automotive thermal tube manages system and electric automobile
Technical field
The present invention relates to the field of air conditioning of electric automobile, in particular it relates to a kind of automotive thermal tube reason system and electric automobile.
Background technology
Ensure that the battery efficiency of electric automobile is high, it is necessary to there is suitable operating temperature, too high or height can all make a big impact to its performance and endurance.China Patent Publication No. is that CN205039220U utility model discloses a kind of automobile power cell cooling system.Although the power battery cooling system can be cooled down in refrigeration by evaporator to electrokinetic cell, but electrokinetic cell is close together with evaporator and exchanged heat, it is although feasible in principle, but it is difficult on car, because evaporator is general all in air conditioning box body, cabinet space is limited, and the electrokinetic cell of pure electric automobile is very big, is typically disposed in underbody.
The content of the invention
It is an object of the invention to provide a kind of automotive thermal tube reason system and electric automobile, to solve the above problems.
To achieve these goals,According to the first aspect of the invention,A kind of automotive thermal tube reason system is provided,Wherein,The automotive thermal tube reason system includes heat pump type air conditioning system,Battery bag heat-exchange system,First switch valve and the first plate type heat exchanger,The heat pump type air conditioning system includes indoor condenser,Indoor evaporator,Compressor and outdoor heat exchanger,The outlet of the compressor connects with the entrance of the indoor condenser,The outlet of the indoor condenser connects with the entrance of the first switch valve,Connected via first throttle branch road or the first through-flow branch road with the entrance of the outdoor heat exchanger egress selection of the first switch valve,Connect with the first end of the tie point of selective on or off via the second throttling branch road or the second through-flow branch road and connected with the first end of the second branch road of selective on or off the egress selection of the outdoor heat exchanger,Second end of the tie point connects with the entrance of the compressor,Second end of second branch road connects with the entrance of the indoor evaporator,The indoor evaporator outlet connects with the entrance of the compressor,The refrigerant inlet of first plate type heat exchanger cools down the outlet of branch road and the outdoor heat exchanger via the battery of selective on or off,Or connected with the first end of the first end of the tie point of selective on or off and second branch road of selective on or off,And heat the outlet of branch road and the compressor via the battery of selective on or off,The refrigerant outlet of first plate type heat exchanger connects via the battery cooling for reflux branch road of selective on or off with the entrance of the compressor,And the outlet of branch road and the first switch valve is heated to reflux via battery,First plate type heat exchanger is connected in the battery coolant circuit of the battery bag heat-exchange system simultaneously.
Alternatively, second switch valve is provided with the tie point.
Alternatively, it is provided with the 3rd switch valve on second branch road.
Alternatively, the heat pump type air conditioning system also includes:First triple valve, connected via the second throttling branch road or the second through-flow branch road with the entrance of first triple valve egress selection of the outdoor heat exchanger, the first outlet of first triple valve connects with the first end of the tie point, and the second outlet of first triple valve connects with the first end of second branch road.
Alternatively, the outlet of the indoor evaporator connects via the first check valve with the entrance of the compressor.
Alternatively, it is provided with first flow valve on battery heating branch road.
Alternatively, it is provided with the 4th switch valve on the battery cooling for reflux branch road.
Alternatively, it is additionally provided with the second check valve on the battery cooling for reflux branch road.
Alternatively, it is heated to reflux being provided with the 3rd check valve on branch road in the battery.
Alternatively, the refrigerant inlet of first plate type heat exchanger cools down the outlet of branch road and the outdoor heat exchanger via the battery of selective on or off, and is provided with the first expansion valve on battery cooling branch road.
Alternatively, the first end that the refrigerant inlet of first plate type heat exchanger cools down the first end of branch road and the tie point of selective on or off and second branch road of selective on or off via the battery of selective on or off connects, and is provided with second flow valve on battery cooling branch road.
Alternatively, the first water pump, deputy tank and the battery bag connected with first plate type heat exchanger are additionally provided with the coolant circuit of the battery bag heat-exchange system.
Alternatively, the 5th switch valve is provided with the described first through-flow branch road, the second expansion valve is provided with the first throttle branch road.
Alternatively, the heat pump type air conditioning system also includes the first expansion switch valve, the outlet of the entrance and the indoor condenser of the first expansion switch valve, the outlet of the first expansion switch valve connects with the entrance of the outdoor heat exchanger, the first throttle branch road is the throttling runner of the described first expansion switch valve, and the first through-flow branch road is the through-flow runner of the described first expansion switch valve.
Alternatively, the 6th switch valve is provided with the described second through-flow branch road, the 3rd expansion valve is provided with the second throttling branch road.
Alternatively, the automotive thermal tube reason system is applied to electric automobile, and the automotive thermal tube reason system also includes electromotor cooling system;
The heat pump type air conditioning system also includes:Second plate type heat exchanger, wherein, second plate type heat exchanger is arranged in the described second through-flow branch road, and second plate type heat exchanger is arranged in the electromotor cooling system simultaneously.
Alternatively, the outlet of the refrigerant inlet of second plate type heat exchanger and the outdoor heat exchanger, the refrigerant outlet of second plate type heat exchanger connect with the entrance of the 6th switch valve.
Alternatively, the electromotor cooling system includes connecting with second plate type heat exchanger to form the motor in loop, motor radiator and the second water pump.
Alternatively, the heat pump type air conditioning system also includes the second expansion switch valve, the outlet of the entrance and the outdoor heat exchanger of the second expansion switch valve, the outlet of the second expansion switch valve is connected with the first end of the tie point of the selective on or off and connected with the first end of the second branch road of the selective on or off, the second throttling branch road is the throttling runner of the described second expansion switch valve, and the second through-flow branch road is the through-flow runner of the described second expansion switch valve.
Alternatively, the automotive thermal tube reason system is applied to electric automobile, and the automotive thermal tube reason system also includes electromotor cooling system;The heat pump type air conditioning system also includes:Second plate type heat exchanger, wherein, the outlet of the refrigerant inlet of second plate type heat exchanger and the described second expansion switch valve, the refrigerant outlet of second plate type heat exchanger is connected with the first end of the tie point of the selective on or off and connected with the first end of the second branch road of the selective on or off, and second plate type heat exchanger is arranged in the electromotor cooling system simultaneously.
Alternatively, the electromotor cooling system includes motor coolant main line, first motor coolant branch road and the second motor coolant branch road, the first end on the motor coolant main line optionally connects with the first end of the first motor coolant branch road or the first end of the second motor coolant branch road, second end of the first motor coolant branch road and the second end of the second motor coolant branch road connect with second end on the motor coolant main line, wherein, motor is in series with the motor coolant main line, motor radiator and the second water pump, second plate type heat exchanger is in series with the first motor coolant branch road.
Alternatively, the heat pump type air conditioning system also includes gas-liquid separator, the outlet of the gas-liquid separator connects with the entrance of the compressor, the outlet of the entrance of the gas-liquid separator and the indoor evaporator and connected with the second end of the tie point, the refrigerant outlet of first plate type heat exchanger connects via the battery cooling for reflux branch road with the entrance of the gas-liquid separator.
Alternatively, the heat pump type air conditioning system also includes ptc heater, and the ptc heater is used to heat the wind for flowing through the indoor condenser.
Alternatively, the ptc heater is arranged in the windward side or leeward side of the indoor condenser.
According to the second aspect of the invention, there is provided a kind of electric automobile, including above-described automotive thermal tube reason system.
To sum up, automotive thermal tube reason system provided by the invention, in the case where not changing refrigerant circulation direction, you can realize the refrigeration and heat-production functions of air conditioner heat pump system.In addition, branch road, the first plate type heat exchanger and battery cooling for reflux branch road collectively constitutes and indoor evaporator is in parallel the refrigerant diverter branch being used for battery cooling are cooled down by battery due to increasing, and increase is heated to reflux branch road by battery heating branch road, the first plate type heat exchanger and battery and collectively constitutes the refrigerant diverter branch being used for battery heating being in parallel with branch road where indoor condenser and first switch valve, battery can be avoided to be directly arranged in indoor evaporator, beneficial to arrangement.In addition, automotive thermal tube reason system can pass through battery water circulation system, first with refrigerant so that coolant cooling or heating, coolant is recycled to be cooled down or heated to battery, so that battery works within the scope of suitable temperature all the time, so as to improve the efficiency for charge-discharge of battery, endurance and service life.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing a further understanding of the present invention, and a part for constitution instruction, is used to explain the present invention together with following embodiment, but be not construed as limiting the invention.In the accompanying drawings:
Figure 1A is the structural representation according to the heat pump type air conditioning system of one embodiment of the present invention;
Figure 1B is the structural representation according to the heat pump type air conditioning system of another embodiment of the invention;
Fig. 2 is the structural representation according to the heat pump type air conditioning system of another embodiment of the invention;
Fig. 3 is the structural representation according to the heat pump type air conditioning system of another embodiment of the invention;
Fig. 4 is the structural representation according to the heat pump type air conditioning system of another embodiment of the invention;
Fig. 5 A are the structural representations according to the heat pump type air conditioning system of another embodiment of the invention;
Fig. 5 B are the structural representations according to the heat pump type air conditioning system of another embodiment of the invention;
Fig. 6 is the structural representation according to the heat pump type air conditioning system of another embodiment of the invention;
Fig. 7 is the structural representation that system is managed according to the automotive thermal tube of one embodiment of the present invention;
Fig. 8 is the structural representation that system is managed according to the automotive thermal tube of another embodiment of the invention;
Fig. 9 is the overlooking the structure diagram for the expansion switch valve that the preferred embodiment for the present invention provides;
Figure 10 be along the cross-sectional view crossed by Fig. 9 center lines AB-AB, wherein, the first valve port and the second valve port are in open mode;
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 be along the cross-sectional view crossed by Fig. 9 center lines AB-AB, wherein, the first valve port is in open mode, and the second valve port is in closure state;
Figure 13 be along the cross-sectional view crossed by Fig. 9 center lines AB-AB, wherein, the first valve port is in closure state, and the second valve port is in open mode;
Figure 14 is the positive structure diagram along another visual angle for the expansion switch valve that the preferred embodiment for the present invention provides;
Figure 15 be along the cross-sectional view crossed by Figure 14 center lines AC-AC, wherein, the first valve port is in open mode, and the second valve port is in closure state;
Figure 16 is the first internal structure schematic diagram of the expansion switch valve that the preferred embodiment for the present invention provides, wherein, the first valve port and the second valve port are in open mode;
Figure 17 is the partial enlarged drawing in A portions in Figure 16;
Figure 18 is the second internal structure schematic diagram of the expansion switch valve that the preferred embodiment for the present invention provides, wherein, the first valve port is in open mode, and the second valve port is closed;
Figure 19 is the 3rd internal structure schematic diagram of the expansion switch valve that the preferred embodiment for the present invention provides, wherein, the first valve port is closed, and the second valve port is in open mode.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that embodiment described herein is merely to illustrate and explain the present invention, it is not intended to limit the invention.
In the present invention, in the case where not making opposite explanation, the noun of locality used such as " upper and lower, left and right " is typically for the page of accompanying drawing, " upstream, downstream " is relative to medium, e.g., for the flow direction of refrigerant, specifically, be downstream towards the flow direction of refrigerant, be upstream away from the flow direction of refrigerant, " inside and outside " refer to corresponding component profile it is interior with it is outer.
In addition, in the present invention, electric automobile can include pure electric automobile, hybrid vehicle, fuel cell car.
Figure 1A and Figure 1B is the structural representation according to the heat pump type air conditioning system of one embodiment of the present invention.As shown in Figure 1A, the system can include:HVAC (heating and ventilation and air-conditioning, Heating Ventilation and Air Conditioning) assembly 600, compressor 604 and outdoor heat exchanger 605.Wherein,HVAC assemblies 600 can include indoor condenser 601 and indoor evaporator 602 in addition,As shown in Figure 1A,The outlet of compressor 604 connects with the entrance of indoor condenser 601,Connected via first throttle branch road or the first through-flow branch road with the entrance of outdoor heat exchanger 605 egress selection of indoor condenser 601,Connect with the first end of the tie point 620 of selective on or off via the second throttling branch road or the second through-flow branch road and connected with the first end of the second branch road 621 of selective on or off the egress selection of outdoor heat exchanger 605,Second end of tie point 620 connects with the entrance of compressor 604,Second end of the second branch road 621 connects with the entrance of indoor evaporator 602,The outlet of indoor evaporator 602 connects with the entrance of compressor 604.
In the present invention, the branch road 621 of tie point 620 and second can selective on or off according to the actual requirements.For example, as shown in Figure 1A, second switch valve 622 is provided with tie point 620, when second switch valve 622 is opened, tie point 620 is turned on, and when second switch valve 622 is closed, tie point 620 is ended.In addition, being provided with the 3rd switch valve 623 on the second branch road 621, when the 3rd switch valve 623 is opened, the second branch road 621 turns on, and when the 3rd switch valve 623 is closed, the second branch road 621 ends.
In another embodiment, as shown in Figure 1B, heat pump type air conditioning system can also include:First triple valve 644, connected via the second throttling branch road or the second through-flow branch road with the entrance 644a of the first triple valve 644 egress selection of outdoor heat exchanger 605, the first outlet 644b of first triple valve 644 connects with the first end of tie point 620, and the second outlet 644c of the first triple valve 644 connects with the first end of the second branch road 621.So, by first triple valve 644, the on or off of tie point 620, and the control on or off of the second branch road 621 can be controlled.
Illustratively, it is not turned on by the entrance 644a- first outlets 644b conductings and entrance 644a- second outlets 644c that control the first triple valve 644, tie point 620 can be controlled to turn on, the second branch road 621 ends;And by control the first triple valve 644 entrance 644a- first outlets 644b be not turned on and entrance 644a- second outlets 644c turn on, tie point 620 can be controlled to end, the second branch road 621 turns on.
In addition, in order to prevent that refrigerant is back in indoor evaporator 602 when tie point 620 turns on, alternatively, as shown in FIG. 1A and 1B, the outlet of indoor evaporator 602 connects via the first check valve 624 with the entrance of compressor 604.So, it is merely able to allow refrigerant to flow to compressor 604 from indoor evaporator 602, and can not flows round about.
In the present invention, or the outlet of indoor condenser 601 connects via first throttle branch road with the entrance of outdoor heat exchanger 605, otherwise connected via the first through-flow branch road with the entrance of outdoor heat exchanger 605.This mode of communicating can be realized using various ways.Such as, in one embodiment, as shown in FIG. 1A and 1B, heat pump type air conditioning system can also include the first expansion switch valve 603, the outlet of the entrance and indoor condenser 601 of the first expansion switch valve 603, the outlet of the first expansion switch valve 603 connect with the entrance of outdoor heat exchanger 605, wherein, first throttle branch road is the throttling runner of the first expansion switch valve 603, and the first through-flow branch road is the through-flow runner of the first expansion switch valve 603.
In the present invention, expansion switch valve is the valve for having simultaneously expansion valve function (also referred to as electric expansion valve function) and switch valve function (also referred to as magnetic valve function), and it is integrating for switch valve and expansion valve that can be regarded as.Through-flow runner and throttling runner are internally formed in expansion switch valve, when expansion switch valve as switch valve in use, its internal through-flow runner conducting, now forms through-flow branch road;When expansion switch valve as expansion valve in use, its internal throttling runner conducting, now forms throttling branch road.
Embodiment alternatively, as shown in Fig. 2 the heat pump type air conditioning system can also include the 5th switch valve 608 and the second expansion valve 607, wherein, the 5th switch valve 608 is provided with first through-flow branch road, the second expansion valve 607 is provided with first throttle branch road.Specifically, as shown in Figure 2, the outlet of indoor condenser 601 is connected via the 5th switch valve 608 with the entrance of outdoor heat exchanger 605 to form the first through-flow branch road, and the outlet of indoor condenser 601 is connected to form first throttle branch road via the second expansion valve 607 with the entrance of outdoor heat exchanger 605.When system is under high-temperature refrigeration pattern, the 5th switch valve 608 is turned on, and the second expansion valve 607 is closed, and the outlet of indoor condenser 601 connects via the first through-flow branch road with the entrance of outdoor heat exchanger 605.When system is under low temperature heating pattern, the second expansion valve 607 is turned on, and the 5th switch valve 608 is closed, and the outlet of indoor condenser 601 connects via first throttle branch road with the entrance of outdoor heat exchanger 605.
It is similar with the implementation of the first through-flow branch road and first throttle branch road, one of which embodiment as the second through-flow branch road and the second throttling branch road, as shown in FIG. 1A and 1B, heat pump type air conditioning system can also include the second expansion switch valve 606, the outlet of the entrance and outdoor heat exchanger 605 of the second expansion switch valve 606, the outlet of the second expansion switch valve 606 is connected with the first end of the tie point 620 of selective on or off and connected with the first end of the second branch road 621 of selective on or off, wherein, second throttling branch road is the throttling runner of the second expansion switch valve 606, second through-flow branch road is the through-flow runner of the second expansion switch valve 606.
Embodiment alternatively, as shown in figure 3, the heat pump type air conditioning system can also include the 6th switch valve 610 and the 3rd expansion valve 609, wherein, the 6th switch valve 610 is provided with second through-flow branch road, the 3rd expansion valve 609 is provided with the second throttling branch road.Specifically, as shown in Figure 3, the outlet of outdoor heat exchanger 605 is connected and connected with the first end of the second branch road 621 of selective on or off with the first end of the tie point 620 of selective on or off via the 6th switch valve 610 to form the second through-flow branch road, and the outlet of outdoor heat exchanger 605 is connected with the first end of the tie point 620 of selective on or off via the 3rd expansion valve 609 and connected with the first end of the second branch road 621 of selective on or off to form the second throttling branch road.When system is under high-temperature refrigeration pattern, 3rd expansion valve 609 turns on, 6th switch valve 610 is closed, and the outlet of outdoor heat exchanger 605 is connected via the second end of second branch road 621 of the second throttling branch road with turning on and connected with the second end of the tie point 620 of cut-off.When system is under low temperature heating pattern, 6th switch valve 610 turns on, 3rd expansion valve 609 is closed, and the outlet of outdoor heat exchanger 605 is connected via the second end of tie point 620 of the second through-flow branch road with turning on and connected with the second end of the second branch road 621 of cut-off.
Laid in order to facilitate pipeline, save space hold, it is preferable that switch valve 606 is expanded using the first expansion switch valve 603 and second in heat pump type air conditioning system provided by the invention, i.e. the embodiment shown in Figure 1A and Figure 1B.
Fig. 4 shows the structural representation of the heat pump type air conditioning system according to another embodiment of the present invention.As shown in Figure 4, the heat pump type air conditioning system can also include gas-liquid separator 611, wherein, the outlet of indoor evaporator 602 connects with the entrance of gas-liquid separator 611, second end of tie point 620 connects with the entrance of gas-liquid separator 611, and the outlet of gas-liquid separator 611 connects with the entrance of compressor 604.So, the refrigerant flowed out through indoor evaporator 602 can first pass around gas-liquid separator 611 and carry out gas-liquid separation, the gas isolated is back in compressor 604 again, compressor 604 is damaged so as to prevent liquid refrigerant from entering compressor 604, so as to extend the service life of compressor 604, and improve the efficiency of whole heat pump type air conditioning system.
Under low temperature heating pattern, in order to improve heating ability simultaneously, it is preferable that as fig. 5 a and fig. 5b, the second plate type heat exchanger 612 is provided with whole heat pump type air conditioning system, second plate type heat exchanger 612 is also disposed in the electromotor cooling system of electric automobile.So, the waste heat of electromotor cooling system can be utilized to give air-conditioning system refrigerant heat, so as to improve the suction temperature of compressor 604 and inspiratory capacity.
For example, as shown in Figure 5A, in heat pump type air conditioning system using the 3rd expansion valve 609 and the 6th switch In the embodiment of valve 610, the second plate type heat exchanger 612 can be arranged in the second through-flow branch road as shown in Figure 5A.For example, in one embodiment, the refrigerant inlet 612a of the second plate type heat exchanger 612 and the outlet of outdoor heat exchanger 605, the refrigerant outlet 612b of the second plate type heat exchanger 612 connect with the entrance of the 6th switch valve 610.Or, (not shown) in another embodiment, the refrigerant inlet 612a of second plate type heat exchanger 612 can also be connected with the first end of the tie point 620 of selective on or off with the outlet of the 6th switch valve 610, the refrigerant outlet 612b of the second plate type heat exchanger 612 and connected with the first end of the second branch road 621 of selective on or off.
At the same time, the second plate type heat exchanger 612 is arranged in electromotor cooling system simultaneously.As shown in Figure 5A, electromotor cooling system can include connecting with the second plate type heat exchanger 612 to form the motor in loop, the water pump 614 of motor radiator 613 and second.So, refrigerant can carry out heat exchange by the second plate type heat exchanger 612 with the coolant in electromotor cooling system.Refrigerant is returned in compressor 604 after the 6th switch valve 610 and second switch valve 622.
Or, as shown in Figure 5 B, in heat pump type air conditioning system using in the embodiment of the second expansion switch valve 606, the outlet of the expansion switch valves 606 of the refrigerant inlet 612a of second plate type heat exchanger 612 and second, the refrigerant outlet 612b of second plate type heat exchanger 612 is connected with the first end of the tie point 620 of selective on or off and connected with the first end of the second branch road 621 of selective on or off, and the second plate type heat exchanger 612 is arranged in the electromotor cooling system of electric automobile simultaneously.So, refrigerant can carry out heat exchange by the second plate type heat exchanger 612 with the coolant in electromotor cooling system.Refrigerant is returned in compressor 604 after second switch valve 622.
By the second plate type heat exchanger 612, heating ability of the air-conditioning system under low temperature heating pattern can be improved.
But, in order to avoid carrying out the heating of refrigerant under high-temperature refrigeration pattern, can control whether to carry out heat exchange in the second plate type heat exchanger 612 using valve using in the embodiment of the second expansion switch valve 606 in the heat pump type air conditioning system shown in Fig. 5 B.Specifically, electromotor cooling system can include motor coolant main line 616, the first motor coolant branch road 617 and the second motor coolant branch road 618, wherein, the first end on coolant main line 616 optionally connects with the first end of the first motor coolant branch road 617 or the first end of the second motor coolant branch road 618.Such as, in one embodiment, the first end on coolant main line 616 can connect with the import 615a of the second triple valve 615, the first end of first motor coolant branch road 617 can connect with the first outlet 615b of the second triple valve 615, the first end of second motor coolant branch road 618 can connect with the second outlet 615c of the second triple valve 615, thus, by second triple valve 615, the first end on coolant main line 616 can be controlled optionally to be connected with the first end of the first motor coolant branch road 617 or the first end of the second motor coolant branch road 618.In addition, as shown in Figure 5 B, second end of the first motor coolant branch road 617 connects with second end on coolant main line 616, and the second end of the second motor coolant branch road 618 also connects with second end on coolant main line 616, wherein, motor, the water pump 614 of motor radiator 613 and second are in series with coolant main line 616, the second plate type heat exchanger 612 is in series with the first motor coolant branch road 617.
So, when air-conditioning system is operated under low temperature heating pattern, now in order to improve heating ability, it is necessary to be heated in the second plate type heat exchanger 612 to refrigerant.Therefore, in such a case, it is possible to by controlling the motor coolant branch road 617 of the second triple valve 615 first to turn on, thus, the coolant in electromotor cooling system flows through the second plate type heat exchanger 612, at this point it is possible to realize the heat exchange with refrigerant.However, when system is operated under high-temperature refrigeration pattern, refrigerant need not now be heated in the second plate type heat exchanger 612.Therefore, in such a case, it is possible to by controlling the motor coolant branch road 618 of the second triple valve 615 second to turn on, thus, coolant in electromotor cooling system is not passed through the second plate type heat exchanger 612, and the runner of the second plate type heat exchanger 612 as just refrigerant flows through.
In heat pump type air conditioning system provided by the invention, the various refrigerants such as R134a, R410a, R32, R290 can be used, preferentially select high temperature refrigerant.
Fig. 6 is the structural representation according to the heat pump type air conditioning system of another embodiment of the present invention.As shown in fig. 6, heat pump type air conditioning system can also include ptc heater 619, the ptc heater 619 is used to heat the wind for flowing through indoor condenser 601.
In the present invention, ptc heater 619 can be high pressure PTC (being driven by vehicle high-tension battery), voltage range:200V-900V.Or ptc heater 619 can also be low pressure PTC (driving of 12V or 24V batteries), voltage range:9V-32V.In addition, this ptc heater 619 can be by several or a complete core body that several pieces of PTC-ceramic piece modules and radiating fin form, or the PTC-ceramic piece module of the strip with radiating fin or bulk.
In the present invention, the ptc heater 619 can arrange the windward side or leeward side of condenser 601 indoors.Also, in order to improve the heating effect of the wind to flowing through indoor condenser 601, the ptc heater 619 can be arranged in parallel with indoor condenser 601.In other embodiments, the ptc heater 619 can also be arranged in the blowing at pin air port and defrosting outlet of the casing of HVAC assemblies 600, can also be arranged at the air port of defrosting duct.
If ptc heater 619 is arranged in the windward side or leeward side of casing interior room inner condenser 601, it is arranged in parallel with indoor condenser 601, can the grooving on casing housing, ptc heater 619, which is inserted perpendicularly into, puts casing into, welding support on the side plate of condenser 601, ptc heater 619 it can also be fixed by screws in indoors on the support of indoor condenser 601.If ptc heater 619 is arranged in into the blowing at pin air port and defrosting outlet of casing, or it is arranged at the air port of defrosting duct, can be directly anchored to by screw at the air port of casing air outlet and wind passage mouth.
By this embodiment, when temperature is too low outside car, and the heating capacity of heat pump low temperature heating is unsatisfactory for in-car demand, the auxiliary heating heating of ptc heater 619 can be run, it is possible thereby to which heating capacity is small when eliminating heat pump type air conditioning system low-temperature heating, the defects of vehicle defrosting-defogging is slow, and heating effect is bad.
Fig. 7 is the structural representation that system is managed according to the automotive thermal tube of one embodiment of the present invention.As shown in Figure 7, the system can include heat pump type air conditioning system described above, battery bag heat-exchange system and the first plate type heat exchanger 637, wherein, the refrigerant inlet of first plate type heat exchanger 637 cools down the outlet of branch road and outdoor heat exchanger 605 via the battery of selective on or off, or connected with the first end of the first end of the tie point 620 of selective on or off and the second branch road 621 of selective on or off, the refrigerant outlet of first plate type heat exchanger 637 connects via battery cooling for reflux branch road with the entrance of compressor 604, first plate type heat exchanger 637 is connected in the battery coolant circuit of battery bag heat-exchange system simultaneously.
I.e., a main inventive concept as the present invention, it is that branch road, the first plate type heat exchanger 637 and battery cooling for reflux branch road collectively constitutes and indoor evaporator 602 is in parallel the refrigerant diverter branch for being used to cool down motor are cooled down by battery by increasing, so, when high-temperature refrigeration is powered up under the refrigerating mode of pond, refrigerant is segmented into two strands:Wherein one refrigerant flow direction indoor evaporator 602, and evaporated indoors in evaporator 602, indoor environment heat is absorbed, reduces indoor temperature;Another strand of the first plate type heat exchanger of refrigerant flow direction 637, and exchanged heat by the first plate type heat exchanger 637 and the coolant in the battery coolant circuit of battery bag heat-exchange system, the heat of coolant is absorbed, and then the cooling to battery bag can be realized.
In the present invention, the connected mode of the refrigerant inlet of the first plate type heat exchanger 637 has both of which:In one embodiment, as shown in fig. 7, the refrigerant inlet of the first plate type heat exchanger 637 can cool down the outlet of branch road and outdoor heat exchanger 605 via the battery of selective on or off.Specifically, the first expansion valve 638 can be set on battery cooling branch road.So, it can control whether refrigerant can flow into the refrigerant inlet of the first plate type heat exchanger 637 by opening or closing the first expansion valve 638 according to the actual requirements.That is, it is in the conduction state to control battery cooling branch road, is in cut-off state.
In this embodiment, in the case where high-temperature refrigeration powers up pond refrigerating mode, the refrigerant of the medium temperature high pressure come out from outdoor heat exchanger 605 is directly divided into two strands:One flows to the second expansion switch valve 606;Another plume is to the first expansion valve 638.In other words, now refrigerant is to carry out reducing pressure by regulating flow respectively on every branch road again after shunting.
In another embodiment, as shown in Figure 8, the refrigerant inlet of first plate type heat exchanger 637 is connected with the first end of the tie point 620 of selective on or off via the battery cooling branch road of selective on or off and connected with the first end of the second branch road 621 of selective on or off, and is provided with second flow valve 635 on battery cooling branch road.Specifically in the embodiment shown in Fig. 8, the outlet of outdoor heat exchanger 605 is connected by the second expansion switch valve 606 with the first end of the tie point 620 of selective on or off, connect with the first end of the second branch road 621 of selective on or off, and connected via the battery cooling branch road of selective on or off with the refrigerant inlet of the first plate type heat exchanger 637.
So, it can control whether refrigerant can flow into the refrigerant inlet of the first plate type heat exchanger 637 by controlling second flow valve 635, i.e. control battery cooling branch road is in the conduction state, is in cut-off state.In addition, control second flow valve 635 can also regulate and control the size that refrigerant flows into the flow of the first plate type heat exchanger 637.
In this embodiment, under high-temperature refrigeration plus battery-heated model, the refrigerant of the medium temperature high pressure come out from outdoor heat exchanger 605 is divided into two strands after the throttling of the second expansion switch valve 606:One flows to the 3rd switch valve 623, and now, second switch valve 622 is closed, and another plume is to second flow valve 635, to realize the distribution of the flow proportional of two strands of refrigerants.In other words, now, refrigerant is that reducing pressure by regulating flow is first carried out on main line and then is shunted again.
In order to prevent under low temperature heating pattern, the refrigerant of low-temp low-pressure is back in the first plate type heat exchanger 637, and the second check valve 628 is provided with battery cooling for reflux branch road.That is, the second check valve 628 can only uniaxially allow the refrigerant outlet of refrigerant from the first plate type heat exchanger 637 to flow to the entrance of compressor 604, and can not flow round about.
When first check valve 624 mentioned hereinabove is also prevented from only cooling down battery bag 640, the refrigerant of low-temp low-pressure is back in indoor evaporator 602 i.e., first check valve 624 can only uniaxially allow refrigerant to flow to the entrance of compressor 604 from the outlet of indoor evaporator 602, and can not flow round about.
In one embodiment, the first water pump 642, deputy tank 625 and the battery bag 640 connected with the first plate type heat exchanger 637 are additionally provided with the coolant circuit of battery bag heat-exchange system.
So, the cooling liquid outlet of battery bag 640 connects with the coolant inlet of deputy tank 625, the cooling liquid outlet of deputy tank 625 connects with the coolant inlet of the first water pump 642, the cooling liquid outlet of first water pump 642 connects with the coolant inlet of the first plate type heat exchanger 637, the cooling liquid outlet of first plate type heat exchanger 637 connects with the coolant inlet of battery bag 640, is consequently formed the circulation of battery bag cooling/heating.
As described above, to prevent liquid refrigerant enters compressor 604 from damaging compressor 604, so as to extend the service life of compressor 604, and the efficiency of whole automotive thermal tube reason system is improved, gas-liquid separator 611 is provided with heat pump type air conditioning system.As shown in Figure 7 and Figure 8, in addition to the entrance of gas-liquid separator 611 connects except the second end of the outlet with indoor evaporator 602 and tie point 620, the refrigerant outlet of the first plate type heat exchanger 637 also connects via battery cooling for reflux branch road with the entrance of gas-liquid separator 611.In other words, the refrigerant come out from the first plate type heat exchanger 637 can also first pass around gas-liquid separator 611 and carry out gas-liquid separation, and the gas isolated is back in compressor 604 again, and compressor 604 is damaged so as to prevent liquid refrigerant from entering compressor 604.
Return now in the structural representation of the automotive thermal tube reason system shown in Fig. 7.As shown in Figure 7, within the system, automotive thermal tube reason system can also include first switch valve 630, wherein, the outlet of indoor condenser 601 connects with the entrance of first switch valve 630, is connected via first throttle branch road or the first through-flow branch road with the entrance of outdoor heat exchanger 605 egress selection of first switch valve 630.Specifically as shown in fig. 7, the outlet of first switch valve 630 can connect via the first expansion switch valve 603 with the entrance of outdoor heat exchanger 605.In addition, the refrigerant inlet of first plate type heat exchanger 637 heats the outlet of branch road and the compressor 604 via the battery of selective on or off, the refrigerant outlet of first plate type heat exchanger 637 is heated to reflux the outlet of branch road and first switch valve 630 via battery, and the first plate type heat exchanger 637 is connected in the battery coolant circuit of battery bag heat-exchange system simultaneously.
I.e., another inventive concept as the present invention, it is by increasing first switch valve 630 between the outlet of condenser 601 indoors and the first expansion switch valve 603, and increase battery heating branch road of the connection between the refrigerant inlet of the first plate type heat exchanger 637 and the entrance of indoor condenser 601, and the battery connected between the outlet of the refrigerant outlet and first switch valve 630 of the first plate type heat exchanger 637 is heated to reflux branch road, and battery heating branch road, first plate type heat exchanger 637 and battery are heated to reflux branch road and collectively constitute the refrigerant diverter branch being used for battery heating being in parallel with the branch road where indoor condenser 601 and first switch valve 630.So, when low temperature heating adds under battery-heated model, the refrigerant of the HTHP come out from compressor 604, two strands are segmented into:The entrance of condenser 601 wherein in one refrigerant flow direction room, condense heat release, raise indoor environment temperature, the outlet of indoor condenser 601 is the liquid refrigerant of medium temperature high pressure, the outlet of indoor condenser 601 is connected with the entrance of first switch valve 630, another strand of the first plate type heat exchanger of refrigerant flow direction 637, and exchanged heat by the first plate type heat exchanger 637 and the coolant in the battery coolant circuit of battery bag heat-exchange system, condense heat release, the heat of coolant absorption refrigeration agent release, and then the heat temperature raising to battery bag can be realized.
Battery heating branch road whether is flowed through for ease of control refrigerant, first flow valve 636 is provided with battery heating branch road.So, when needing to heat battery, for example, under battery-heated model, first flow valve 636 can be opened, now, refrigerant can flow through the first plate type heat exchanger 637, there is provided heat gives battery bag heat-exchange system.When that need not be heated to battery, for example, under battery refrigerating mode, first flow valve 636 can be closed, prevents the refrigerant of HTHP from entering the first plate type heat exchanger 637 and carrying out heat temperature raising to battery, causing the temperature of battery further increases.In addition, first flow valve 636 also has the function that the ratio for distributing two strands of refrigerant flows.
To prevent under battery-heated model, the liquid refrigerant of the cryogenic high pressure come out from the refrigerant outlet of the first plate type heat exchanger 637 flows directly into compressor 604, causes the infringement to compressor, the 4th switch valve 633 is provided with battery cooling for reflux branch road.So, when system is under battery-heated model, it can use and close the 4th switch valve 633 so that the liquid refrigerant of the cryogenic high pressure come out from the refrigerant outlet of the first plate type heat exchanger 637 is all heated to reflux branch road via battery and flows to the first expansion switch valve 603.
To prevent under battery refrigerating mode, the gas refrigerant of the HTHP come out from indoor condenser 601, after first switch valve 630, the refrigerant outlet that branch road flows to the first plate type heat exchanger 637 is heated to reflux along battery, is heated to reflux being provided with the 3rd check valve 632 on branch road in battery.That is, the 3rd check valve 632 can uniaxially allow the refrigerant outlet of refrigerant from the first plate type heat exchanger 637 to flow to the entrance of the first expansion switch valve 603, and can not flow in opposite direction.
Cyclic process and principle of the system under different mode of operations will be managed by taking Fig. 7 as an example automotive thermal tube provided by the invention is described in detail below.It should be appreciated that the system circulation process and principle under other embodiment (for example, embodiment shown in Fig. 8) are similar to Fig. 7, just no longer repeat one by one herein.
Pattern one:High-temperature refrigeration pattern.System be in system in this mode when, whole system formed a high-temperature refrigeration circulatory system.As shown in fig. 7, first, compressor 604 discharges the gas of HTHP through overcompression, is connected with indoor condenser 601.Now, wind is controlled due to calm process, therefore, heat exchange to be carried out in condenser 601 indoors, the indoor condenser 601 is only used as runner, and now indoor condenser 601 is exported still as the gas of HTHP without indoor condenser 601.The indoor outlet of condenser 601 is connected with the first expansion switch valve 603, and now the first expansion switch valve 603 plays switch valve action, is only flowed through as runner, and now the first expansion switch valve 603 is exported still as the gas of HTHP.First expansion switch valve 603 outlet is connected with outdoor heat exchanger 605, and outdoor heat exchanger 605 is exchanged heat with outdoor air, and heat is dispersed into air, and outdoor heat exchanger 605 exports the liquid for medium temperature high pressure.Outdoor heat exchanger 605 exports to be connected with the second expansion switch valve 606, and now the second expansion switch valve 606 plays expansion valve action, plays throttling action as restricting element, its outlet is low temperature and low pressure liquid.The second expansion aperture of switch valve 606 can give certain aperture according to the actual requirements, and this aperture can calculate indoor evaporator 602 according to the pressure and temperature gathered data of the pressure-temperature sensor between the entrance of the outlet of indoor evaporator 602 and gas-liquid separator 611 and export refrigerant superheat degree to adjust.Second switch valve 622 is closed, and the 3rd switch valve 623 is opened, and so, tie point 620 is ended, and the second branch road 621 turns on.The low temperature and low pressure liquid come out from the second expansion switch valve 606, which is got in evaporator 602, to be evaporated so that the outlet of indoor evaporator 602 is the gas of low-temp low-pressure.Indoor evaporator 602 is connected with gas-liquid separator 611, and the liquid not being evaporated is separated by gas-liquid separator 611, and the gas of last low-temp low-pressure is returned in compressor 604, is consequently formed a circulation.Now the flow direction of the apoplexy of HVAC assemblies 600 flows only through indoor evaporator 602, indoor 601 calm process of condenser, only flows through, first flow valve 636 is closed as refrigerant flow path, first switch valve 630 is in open mode, and the first expansion valve 638 is closed.
Pattern two:Battery refrigerating mode.System in this mode when, battery bag heat-exchange system formed a battery bag cooling recirculation system.As shown in fig. 7, first, compressor 604 discharges the gas of HTHP through overcompression, is connected with indoor condenser 601.Now, wind is controlled due to calm process, therefore, heat exchange to be carried out in condenser 601 indoors, the indoor condenser 601 is only used as runner, and now indoor condenser 601 is exported still as the gas of HTHP without indoor condenser 601.The indoor outlet of condenser 601 is connected with the first expansion switch valve 603, and now the first expansion switch valve 603 plays switch valve action, is only flowed through as runner, and now the first expansion switch valve 603 is exported still as the gas of HTHP.First expansion switch valve 603 outlet is connected with outdoor heat exchanger 605, and outdoor heat exchanger 605 is exchanged heat with outdoor air, and heat is dispersed into air, and outdoor heat exchanger 605 exports the liquid for medium temperature high pressure.The outlet of outdoor heat exchanger 605 is connected with the first expansion valve 638, cools by the throttling of the first expansion valve 638, the outlet of the first expansion valve 638 is low temperature and low pressure liquid.The aperture of first expansion valve 638 can give certain aperture according to the actual requirements, and this aperture can be adjusted according to the pressure and temperature gathered data of the pressure-temperature sensor between the refrigerant outlet of the first plate type heat exchanger 637 and the entrance of gas-liquid separator 611.The outlet of first expansion valve 638 is connected with the refrigerant inlet of the first plate type heat exchanger 637, hot water of the low temperature and low pressure liquid with being come out from battery bag 640 in the first plate type heat exchanger 637 carries out heat exchange so that the refrigerant outlet of the first plate type heat exchanger 637 is the gas of low-temp low-pressure.The refrigerant outlet of first plate type heat exchanger 637 is connected with gas-liquid separator 611, and the liquid not being evaporated is separated by gas-liquid separator 611, and the gas of last low-temp low-pressure is returned in compressor 604, is consequently formed a circulation.Now in HVAC assemblies 600, indoor 601 calm process of condenser, only flowed through as refrigerant flow path, first flow valve 636 is closed, first switch valve 630 is in open mode, second expansion switch valve 606 is closed, and the first expansion valve 638 is in open mode, and the 4th switch valve 633 is in open mode.
Pattern three:High-temperature refrigeration power-up pond cooling circulation pattern.When in this mode, whole system forms high-temperature refrigeration battery cooling recirculation system simultaneously.As shown in fig. 7, first, compressor 604 discharges the gas of HTHP through overcompression, is connected with indoor condenser 601.Now, wind is controlled due to calm process, therefore, heat exchange to be carried out in condenser 601 indoors, the indoor condenser 601 is only used as runner, and now indoor condenser 601 is exported still as the gas of HTHP without indoor condenser 601.The indoor outlet of condenser 601 is connected with the first expansion switch valve 603, and now the first expansion switch valve 603 plays switch valve action, is only flowed through as runner, and now the first expansion switch valve 603 is exported still as the gas of HTHP.First expansion switch valve 603 outlet is connected with outdoor heat exchanger 605, and outdoor heat exchanger 605 is exchanged heat with outdoor air, and heat is dispersed into air, and outdoor heat exchanger 605 exports the liquid for medium temperature high pressure.Outdoor heat exchanger 605 exports to be connected with the second expansion expansion valve 638 of switch valve 606 and first respectively, and now, the liquid of the medium temperature high pressure come out from outdoor heat exchanger 605 is divided into two strands:One flows to the entrance of the second expansion switch valve 606, now, second expansion switch valve 606 rise expansion valve action it is identical, play throttling action as restricting element, its outlet is low temperature and low pressure liquid.The aperture of second expansion switch valve 606 can give certain aperture according to the actual requirements, and this aperture can calculate indoor evaporator 602 according to the pressure and temperature gathered data of the pressure-temperature sensor between the entrance of the outlet of indoor evaporator 602 and gas-liquid separator 611 and export refrigerant superheat degree to adjust.Second switch valve 622 is closed, and the 3rd switch valve 623 is opened, and so, tie point 620 is ended, and the second branch road 621 turns on.The low temperature and low pressure liquid come out from the second expansion switch valve 606, which is got in evaporator 602, to be evaporated so that the outlet of indoor evaporator 602 is the gas of low-temp low-pressure.Entrance of another plume to the first expansion valve 638, the aperture of first expansion valve 638 can give certain aperture according to the actual requirements, and this aperture can be adjusted according to the pressure and temperature gathered data of the pressure-temperature sensor between the refrigerant outlet of the first plate type heat exchanger 637 and the entrance of gas-liquid separator 611.By the reducing pressure by regulating flow of the first expansion valve 638, the outlet of the first expansion valve 638 is low temperature and low pressure liquid.The outlet of first expansion valve 638 is connected with the refrigerant inlet of the first plate type heat exchanger 637, hot water of the low temperature and low pressure liquid with being come out from battery bag 640 in the first plate type heat exchanger 637 carries out heat exchange so that the refrigerant outlet of the first plate type heat exchanger 637 is the gas of low-temp low-pressure.The outlet of indoor evaporator 602 and the refrigerant outlet of the first plate type heat exchanger 637 are connected with gas-liquid separator 611 respectively, converge from the refrigerant that the refrigerant outlet of the first plate type heat exchanger 637 comes out and the refrigerant from the outlet of indoor evaporator 602 out, the liquid not being evaporated is separated by gas-liquid separator 611, the gas of last low-temp low-pressure is returned in compressor 604, is consequently formed a circulation.Now the flow direction of the apoplexy of HVAC assemblies 600 flows only through indoor evaporator 602, indoor 601 calm process of condenser, only flowed through as refrigerant flow path, first flow valve 636 is closed, first switch valve 630 is in open mode, second expansion switch valve 606 is in open mode, and the first expansion valve 638 is in open mode, and the 4th switch valve 633 is in open mode.
Pattern four:Low temperature heating pattern.System in this mode when, whole system formed a low temperature heating circulation system.As shown in fig. 7, first, compressor 604 discharges the gas of HTHP through overcompression, is connected with indoor condenser 601, the gas of HTHP is condensed in condenser 601 indoors so that the indoor outlet of condenser 601 is the liquid of medium temperature high pressure.The indoor outlet of condenser 601 is connected with the first expansion switch valve 603, and now the first expansion switch valve 603 plays expansion valve, plays throttling action as restricting element, it exports the liquid for low-temp low-pressure.Wherein, the aperture of first expansion switch valve 603 can give certain aperture according to the actual requirements, this aperture can according to the temperature acquisition data (i.e. compressor exhaust temperature) of the pressure-temperature sensor installed in the exit of compressor 604 number adjust.First expansion switch valve 603 outlet is connected with outdoor heat exchanger 605, and outdoor heat exchanger 605 absorbs the heat of outdoor air, and the outlet of outdoor heat exchanger 605 is the gas of low-temp low-pressure.Outdoor heat exchanger 605 exports to be connected with the second expansion switch valve 606, and now the second expansion switch valve 606 plays switch valve, is only flowed through as a runner.Second switch valve 622 is opened, and the 3rd switch valve 623 is closed, and so, tie point 620 turns on, and the second branch road 621 ends.The gas of the low-temp low-pressure come out from the second expansion switch valve 606 is directly entered gas-liquid separator 611, the liquid not being evaporated is separated by gas-liquid separator 611, the gas of last low-temp low-pressure is returned in compressor 604, is consequently formed a circulation.Now, first flow valve 636 is closed, and first switch valve 630 is in open mode, and the first expansion valve 638 is closed.
Bellows design based on existing HVAC, if it is desired to control wind to pass through indoor condenser 601, then wind is first had to by can just get in condenser 601 after indoor evaporator 602.But heat exchange can not be carried out in indoor evaporator 602 under heating pattern, therefore, tie point 620 is turned on, end the second branch road 621 so that indoor evaporator 602 is shorted, and even distinguished and admirable through indoor evaporator 602, refrigerant temperature is also unaffected.
Pattern five:Battery-heated model.System in this mode when, battery bag heat-exchange system formed a battery bag heating circulation system.
As shown in Figure 7, first, compressor 604 discharges the gas of HTHP through overcompression, it is connected with first flow regulating valve 636, first flow regulating valve 636 is connected with the refrigerant inlet of the first plate type heat exchanger 637, at the refrigerant of the first plate type heat exchanger 637 and the cold water of battery bag 640 out carries out heat exchange, and the refrigerant outlet of the first plate type heat exchanger 637 is the liquid refrigerant of medium temperature high pressure.The refrigerant outlet of first plate type heat exchanger 637 is connected by the 3rd check valve 632 with the entrance of the first expansion switch valve 603.Now the first expansion switch valve 603 plays expansion valve, plays throttling action as restricting element, it exports the liquid for low-temp low-pressure.Wherein, the aperture of first expansion switch valve 603 can give certain aperture according to the actual requirements, this aperture can according to the temperature acquisition data (i.e. compressor exhaust temperature) of the pressure-temperature sensor installed in the exit of compressor 604 number adjust.First expansion switch valve 603 outlet is connected with outdoor heat exchanger 605, and outdoor heat exchanger 605 absorbs the heat of outdoor air, and the outlet of outdoor heat exchanger 605 is the gas of low-temp low-pressure.Outdoor heat exchanger 605 exports to be connected with the second expansion switch valve 606, and now the second expansion switch valve 606 plays switch valve, is only flowed through as a runner.Second switch valve 622 is opened, and the 3rd switch valve 623 is closed, and so, tie point 620 turns on, and the second branch road 621 ends.The gas of the low-temp low-pressure come out from the second expansion switch valve 606 is directly entered gas-liquid separator 611, the liquid not being evaporated is separated by gas-liquid separator 611, the gas of last low-temp low-pressure is returned in compressor 604, is consequently formed a circulation.Now the air door mechanism in HVAC assemblies 600 is closed, wind does not flow to indoor condenser 601 and indoor evaporator 602, only flowed through as refrigerant flow path, first switch valve 630 is closed, first flow valve 636 adjusts certain aperture on demand, first expansion valve 638 is closed, and the 4th switch valve 633 is closed, and the second expansion switch valve 606 is opened.
Pattern six:Low temperature heating and battery-heated model.System in this mode when, battery bag heat-exchange system formed a battery bag heating circulation system.
As shown in fig. 7, first, compressor 604 discharges the gas of HTHP through overcompression, is connected respectively with indoor condenser 601 and the entrance of first flow valve 636 is connected, now, the gas of the HTHP come out from compressor 604 is divided into two strands:One is condensed in condenser 601 indoors so that the indoor outlet of condenser 601 is the liquid of medium temperature high pressure, and the outlet of indoor condenser 601 is connected with the entrance of first switch valve 630.Another stock-traders' know-how crosses first flow valve 636 and flows into the first plate type heat exchanger 637, cold water with being come out from battery bag 640 at the first plate type heat exchanger 637 carries out heat exchange, the refrigerant outlet of first plate type heat exchanger 637 is the liquid refrigerant of medium temperature high pressure, and the refrigerant outlet of the first plate type heat exchanger 637 is connected by the 3rd check valve 632 with the outlet of first switch valve 630.The liquid refrigerant of two bursts of medium temperature high pressures converges in the exit of first switch valve 630, and flows into the entrance of the first expansion switch valve 603.Now the first expansion switch valve 603 plays expansion valve, plays throttling action as restricting element, it exports the liquid for low-temp low-pressure.Wherein, the aperture of first expansion switch valve 603 can give certain aperture according to the actual requirements, this aperture can according to the temperature acquisition data (i.e. compressor exhaust temperature) of the pressure-temperature sensor installed in the exit of compressor 604 number adjust.First expansion switch valve 603 outlet is connected with outdoor heat exchanger 605, and outdoor heat exchanger 605 absorbs the heat of outdoor air, and the outlet of outdoor heat exchanger 605 is the gas of low-temp low-pressure.Outdoor heat exchanger 605 exports to be connected with the second expansion switch valve 606, and now the second expansion switch valve 606 plays switch valve, is only flowed through as a runner.Second switch valve 622 is opened, and the 3rd switch valve 623 is closed, and so, tie point 620 turns on, and the second branch road 621 ends.The gas of the low-temp low-pressure come out from the second expansion switch valve 606 is directly entered gas-liquid separator 611, the liquid not being evaporated is separated by gas-liquid separator 611, the gas of last low-temp low-pressure is returned in compressor 604, is consequently formed a circulation.Now, first flow valve 636 adjusts certain aperture on demand, and first switch valve 630 is in open mode, and the first expansion valve 638 is closed, and the 4th switch valve 633 is closed, and the second expansion switch valve 606 is opened.
To sum up, automotive thermal tube reason system provided by the invention, in the case where not changing refrigerant circulation direction, you can realize the refrigeration and heat-production functions of air conditioner heat pump system.In addition, branch road, the first plate type heat exchanger and battery cooling for reflux branch road collectively constitutes and indoor evaporator is in parallel the refrigerant diverter branch being used for battery cooling are cooled down by battery due to increasing, and increase is heated to reflux branch road by battery heating branch road, the first plate type heat exchanger and battery and collectively constitutes the refrigerant diverter branch being used for battery heating being in parallel with branch road where indoor condenser and first switch valve, battery can be avoided to be directly arranged in indoor evaporator, beneficial to arrangement.In addition, automotive thermal tube reason system can pass through battery water circulation system, first with refrigerant so that coolant cooling or heating, coolant is recycled to be cooled down or heated to battery, so that battery works within the scope of suitable temperature all the time, so as to improve the efficiency for charge-discharge of battery, endurance and service life.
As described above, in the present invention, expansion switch valve is the valve for having simultaneously expansion valve function and switch valve function, and it is the integrated of switch valve and expansion valve that can be regarded as.It will be provided below a kind of example embodiment for expanding switch valve.
As shown in Figure 9, expansion switch valve mentioned above can include valve body 500, wherein, inner flow passage on the valve body 500 formed with import 501, outlet 502 and connection between import 501 and outlet 502, first valve element 503 and the second valve element 504 are installed on inner flow passage, first valve element 503 causes import 501 directly to be connected with outlet 502 or disconnect connection, and the second valve element 504 causes import 501 to be connected with outlet 502 by restriction 505 or disconnect connection.
Wherein, " the directly connection " that first valve element is realized refers to that the cooling agent from the entrance of import 501 of valve body 500 can cross the first valve element and the outlet 502 of valve body 500 is insusceptibly flowed directly to by inner flow passage, and " the disconnecting connection " that the first valve element is realized refers to that the cooling agent from the entrance of import 501 of valve body 500 can not cross the first valve element and the outlet 502 of valve body 500 can not be flowed to by inner flow passage." being connected by restriction " that second valve element is realized refers to that the second valve element can be crossed to flow to the outlet 502 of valve body 500 after the throttling by restriction from the cooling agent of the entrance of import 501 of valve body 500, and " the disconnecting connection " that the second valve element is realized refers to that the cooling agent from the entrance of import 501 of valve body 500 can not cross the second valve element and the outlet 502 of valve body 500 can not be flowed to by restriction 505.
So, by the control to the first valve element and the second valve element, expansion switch valve of the invention can at least to realize three kinds of states from the cooling agent that import 501 enters.That is, 1) cut-off state;2) the direct connected state of the first valve element 503 is crossed;And 3) cross the throttling mode of communicating of the second valve element 504.
Wherein, the liquid refrigerant of HTHP is again after the throttling of restriction 505, the vaporific hydraulic pressure refrigerant of low-temp low-pressure can be turned into, it can be created conditions for the evaporation of refrigerant, i.e. the cross-sectional area of restriction 505 is less than the cross-sectional area of outlet 504, and by controlling the second valve element, the aperture size of restriction 505 can be adjusted, with flow of the controlling stream through restriction 505, prevent because refrigerant it is very few caused by freeze deficiency, and prevent from causing compressor generation liquid hit phenomenon because refrigerant is excessive.That is, the cooperation of the second valve element 504 and valve body 500 can make it that expanding switch valve has the function of expansion valve.
So, by installing the first valve element 503 and the second valve element 504 on the inner flow passage of same valve body 500, to realize the break-make control of import 501 and outlet 502 and/or throttling control function, it is simple in construction, it is readily produced and installs, and when expansion switch valve provided by the invention is applied to heat pump, the refrigerant charge of whole heat pump can be reduced, cost is reduced, simplifies pipeline connection, the more conducively oil return of heat pump.
A kind of exemplary inner mounting structure as valve body 500, as shown in Fig. 9 to Figure 14, valve body 500 includes forming the valve seat 510 of inner flow passage and the first valve casing 511 on the valve seat 510 and the second valve casing 512, the first electromagnetic drive part 521 for driving the first valve element 503 is installed in first valve casing 511, the second electromagnetic drive part 522 for driving the second valve element 504 is installed in second valve casing 512, the inner flow passage that first valve element 503 is extended in valve seat 510 from the first valve casing 511, the inner flow passage that second valve element 504 is extended in valve seat 510 from the second valve casing 512.
Wherein, by the first electromagnetic drive part 521, e.g., magnet coil, the control of power on/off can easily control the position of the first valve element 503, and then control import 501 and export 502 and directly connect or disconnect connection;By to the second electromagnetic drive part 522, e.g., magnet coil, the control of power on/off can easily control the position of the second valve element 504, so as to control whether import 501 and outlet 502 connect with restriction 505.In other words, the electric expansion valve and magnetic valve of shared import 501 and outlet 502 are installed in parallel in valve body 500, it is thus possible to realize the break-make of expansion switch valve and/or the Automated condtrol of throttling, and simplify pipeline trend.
To make full use of the locus of all directions of expansion switch valve, avoid expanding switch valve and connecting to produce with different pipelines interfering, valve seat 510 is formed as polyhedral structure, first valve casing 511, the second valve casing 512, import 501 and outlet 502 are separately positioned on the different surfaces of the polyhedral structure, wherein, the installation direction of first valve casing 511 and the second valve casing 512 is mutually perpendicular to, and the opening direction of import 501 and outlet 502 is mutually perpendicular to.So, import, export pipeline can be connected on the different surfaces of polyhedral structure, can avoid that pipeline arrangement is in disorder, the problem of tangling.
A kind of typical internal structure as expansion switch valve, as shown in Fig. 9 to Figure 12, inner flow passage includes first flow 506 and the second flow channel 507 connected respectively with import 501, formed with the first valve port 516 coordinated with the first valve element 503 on first flow 506, restriction 505 is formed to be formed as the second valve port 517 coordinated with the second valve element 504 in second flow channel 507, and first flow 506 and second flow channel 507 are intersected in the downstream of the second valve port 517 and connected with outlet 502.
I.e., closing or the opening to the first valve port 516 are realized by converting the position of the first valve element 503, and then blocking or turning on for the first flow 506 of connection import 501 and outlet 502 is controlled, so as to realize the connection of above-described magnetic valve or disconnect the function of connection.Similarly, blocking or turning on to the second valve port 517 is realized by converting the position of the second valve element 504, so as to realize the throttling function of electric expansion valve.
First flow 506 and second flow channel 507 can be respectively communicated with import 501 and outlet 502 with any appropriate arrangement, to reduce the overall space-consuming of valve body 500, as shown in figure 13, second flow channel 507 opens up in the same direction with outlet 502, first flow 506 is formed as first through hole 526 orthogonal with second flow channel 507, import 501 is connected by the second through hole 527 being opened in the side wall of second flow channel 507 with second flow channel 507, and the through hole 527 of first through hole 526 and second is respectively communicated with import 501.Its In, first through hole 526 can be set or be arranged in parallel in spatial vertical with the second through hole 527, the invention is not limited in this regard, be belonged among protection scope of the present invention.
For the further overall space-consuming for simplifying valve body 500, as shown in Figure 16 to Figure 19, import 501 is opened on valve body 500 mutual vertically with outlet 502.So, as shown in Figure 16 to Figure 18, the axis of import 501, the axis (i.e. the axis of second flow channel 507) for exporting 502, it is vertically arranged two-by-two in space with the axis of first flow 506, so as to prevent the mobile generation of the first valve element 503 and the second valve element 504 from interfering, and it can maximumlly utilize the inner space of valve body 500.
As shown in Figure 12 and Figure 13, for ease of realizing the closing of the first valve port 516 and opening, the first valve element 503 is along moving direction with the 516 coaxial laying of the first valve port selectively to block or depart from the first valve port 516.
For ease of realizing the closing of the second valve port 517 and opening, the second valve element 504 is along moving direction with the 517 coaxial laying of the second valve port selectively to block or depart from the second valve port 517.
Wherein, as shown in figure 15, the reliability blocked for the first valve element 503 of guarantee to first flow 506, first valve element 503 can include the first valve rod 513 and be connected to the first plug 523 of the end of the first valve rod 513, and first plug 523 is used to be sealed against on the end face of the first valve port 516 to block first flow 506.
For ease of the aperture size of the restriction 505 of regulation expansion switch valve, as shown in Figure 12 and Figure 13, second valve element 504 includes 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 the taper pore structure being engaged with the taper header structure.
Wherein, expand switch valve the aperture of restriction 505 can moving up and down to adjust by the second valve element 504, and moving up and down for the second valve element 504 can be adjusted by the second electromagnetic drive part 522.If the aperture for expanding the restriction 505 of switch valve is zero, as shown in figure 12, the second valve element 504 is in extreme lower position, and the second valve element 504 blocks the second valve port 517, and refrigerant can not pass through restriction 505, i.e. the second valve port 517 completely;If expansion switch valve restriction 505 has aperture, as shown in figure 13, there is space between the taper header structure and restriction 505 of the end of the second valve element 504, outlet 502 is flow to again after refrigerant throttling.If desired, can be by controlling the second electromagnetic drive part 522 so that the second valve element 504 moves up, to cause conical head structure away from restriction 505, so as to realize that the change of the aperture of restriction 505 is big during the throttle opening of increase expansion switch valve;On the contrary, when needing to reduce the aperture of restriction 505 of expansion switch valve, can drive mobile under the phase of the second valve element 504.
During use, when only needing to use the magnetic valve function of expansion switch valve, as shown in Figure 12, Figure 15 and Figure 18, first valve element 503 departs from the first valve port 516, first valve port 516 is in open mode, and the second valve element 504 is in extreme lower position, and the second valve element 504 blocks throttle orifice 505, the refrigerant of inner flow passage is flowed into from import 501 can not can only pass sequentially through the first valve port 516, first through hole 526 is flowed into outlet 502 by throttle orifice 505 completely.When magnetic valve powers off, the first valve element 503 is moved to the left, and the first plug 523 and the first valve port 516 separate, and refrigerant can pass through from first through hole 526;Work as solenoid valves, the first valve element 503 is moved right, and the first plug 523 and the first valve port 516 are bonded, and refrigerant can not pass through from first through hole 526.
It should be noted that the dotted line with the arrow in Figure 12 and Figure 18 represents flow route and trend of the refrigerant when using magnetic valve function.
When only needing to use the electric expansion valve function of expansion switch valve, as shown in Figure 13 and Figure 19, second valve port 517, i.e. restriction 505 is in open mode, first valve element 503 blocks the first valve port 516, the refrigerant of inner flow passage is flowed into from import 501 can only pass sequentially through the second through hole 527, restriction 505 flows into outlet 502, and can move up and down the second valve element 504 to adjust the size of the aperture of restriction 505 by first through hole 526.
It should be noted that the dotted line with the arrow in Figure 13 and Figure 19 represents flow route and trend of the refrigerant when using electric expansion valve function.
When needing simultaneously using the magnetic valve function and electric expansion valve function that expand switch valve, as shown in Figure 10, Figure 16 and Figure 17, wherein, dotted line with the arrow represents the glide path and trend of refrigerant, first valve element 503 departs from the first valve port 516, first valve port 516 is in open mode, restriction 505 is in open mode, the refrigerant for flowing into inner flow passage can be respectively along first flow 506 and the flow direction of second flow channel 507 outlet 502, so as to have magnetic valve function and electric expansion valve function simultaneously.
It should be appreciated that one of which example of the above-mentioned embodiment as just expansion switch valve, and be not intended to limit the invention, there is the expansion switch valve of expansion valve function and switch valve function to be equally applicable to the present invention simultaneously for other.
The present invention also provides a kind of electric automobile, including manages system according to above-mentioned automotive thermal tube provided by the invention.Wherein, the electric automobile can include pure electric automobile, hybrid vehicle, fuel cell car.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing; but; the present invention is not limited to the detail in above-mentioned embodiment; in the range of the technology design of the present invention; a variety of simple variants can be carried out to technical scheme, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in the case of reconcilable, can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention no longer separately illustrates to various combinations of possible ways.
In addition, various embodiments of the present invention can be combined randomly, as long as it without prejudice to the thought of the present invention, it should equally be considered as content disclosed in this invention.

Claims (25)

1. a kind of automotive thermal tube manages system, it is characterised in that the automotive thermal tube reason system includes heat pump Air-conditioning system, battery bag heat-exchange system, first switch valve (630) and the first plate type heat exchanger (637), The heat pump type air conditioning system includes indoor condenser (601), indoor evaporator (602), compressor (604) With outdoor heat exchanger (605), the outlet of the compressor (604) and the indoor condenser (601) Entrance connection, the outlet of the indoor condenser (601) and entering for first switch valve (630) Mouthful connection, the egress selection of the first switch valve (630) via first throttle branch road or first Through-flow branch road connects with the entrance of the outdoor heat exchanger (605), the outdoor heat exchanger (605) Egress selection via the of the second throttling branch road or the second through-flow branch road and selective on or off The first end connection of one branch road (637) and with the of the second branch road (621) of selective on or off One end connects, and the second end of the tie point (620) connects with the entrance of the compressor (604), Second end of second branch road (621) connects with the entrance of the indoor evaporator (602), described The outlet of indoor evaporator (602) connects with the entrance of the compressor (604), and described first is board-like The refrigerant inlet of heat exchanger (637) via selective on or off battery cool down branch road with it is described The outlet of outdoor heat exchanger (605), or the tie point (620) with selective on or off First end and selective on or off second branch road (621) first end connection, and The outlet of branch road and the compressor (604) is heated via the battery of selective on or off, The refrigerant outlet of first plate type heat exchanger (637) is cold via the battery of selective on or off But backflow branch road connects with the entrance of the compressor (604), and is heated to reflux branch road via battery With the outlet of the first switch valve (630), first plate type heat exchanger (637) is gone here and there simultaneously It is associated in the battery coolant circuit of the battery bag heat-exchange system.
2. automotive thermal tube according to claim 1 manages system, it is characterised in that described first Second switch valve (622) is provided with road (620).
3. automotive thermal tube according to claim 1 manages system, it is characterised in that described second The 3rd switch valve (623) is provided with road (621).
4. automotive thermal tube according to claim 1 manages system, it is characterised in that the heat pump is empty Adjusting system also includes:First triple valve (644), the egress selection of the outdoor heat exchanger (605) Ground is via the second throttling branch road or the second through-flow branch road and the entrance (644a) of first triple valve (644) Connection, first outlet (644b) and the tie point (620) of first triple valve (644) First end connection, the second outlet (644c) of first triple valve (644) with described second The first end connection on road (621).
5. automotive thermal tube according to claim 1 manages system, it is characterised in that the indoor steaming The outlet for sending out device (602) connects via the entrance of the first check valve (624) and the compressor (604) It is logical.
6. automotive thermal tube according to claim 1 manages system, it is characterised in that in the battery First flow valve (636) is provided with heating branch road.
7. automotive thermal tube according to claim 1 manages system, it is characterised in that in the battery The 4th switch valve (633) is provided with cooling for reflux branch road.
8. automotive thermal tube according to claim 7 manages system, it is characterised in that in the battery The second check valve (628) is additionally provided with cooling for reflux branch road.
9. automotive thermal tube according to claim 1 manages system, it is characterised in that in the battery It is heated to reflux being provided with the 3rd check valve (632) on branch road.
10. automotive thermal tube according to claim 1 manages system, it is characterised in that first plate The refrigerant inlet of formula heat exchanger (637) cools down branch road and institute via the battery of selective on or off The outlet of outdoor heat exchanger (605) is stated, and first is provided with battery cooling branch road Expansion valve (638).
11. automotive thermal tube according to claim 1 manages system, it is characterised in that first plate The refrigerant inlet of formula heat exchanger (637) cools down branch road and choosing via the battery of selective on or off The first end of the tie point (620) of selecting property on or off and the institute of selective on or off The first end connection of the second branch road (621) is stated, and second is provided with battery cooling branch road Flow valve (635).
12. automotive thermal tube according to claim 1 manages system, it is characterised in that the battery bag To be connected with first plate type heat exchanger (637) is additionally provided with the coolant circuit of heat-exchange system One water pump (642), deputy tank (625) and battery bag (640).
13. automotive thermal tube according to claim 1 manages system, it is characterised in that described first is logical The 5th switch valve (608) is provided with stream branch road, the second expansion valve is provided with the first throttle branch road (607)。
14. automotive thermal tube according to claim 1 manages system, it is characterised in that the heat pump is empty Adjusting system also include first expansion switch valve (603), this first expansion switch valve (603) entrance with The outlet of the indoor condenser (601), the outlet of the first expansion switch valve (603) and institute The entrance connection of outdoor heat exchanger (605) is stated, the first throttle branch road is that the described first expansion switchs The throttling runner of valve (603), the first through-flow branch road are the described first expansion switch valve (603) Through-flow runner.
15. automotive thermal tube according to claim 1 manages system, it is characterised in that described second is logical The 6th switch valve (610) is provided with stream branch road, the 3rd expansion valve is provided with the second throttling branch road (609)。
16. automotive thermal tube according to claim 15 manages system, it is characterised in that the automobile Heat management system is applied to electric automobile, and the automotive thermal tube reason system also includes electromotor cooling system;
The heat pump type air conditioning system also includes:Second plate type heat exchanger (612), wherein, second plate Formula heat exchanger (612) is arranged in the described second through-flow branch road, and second plate type heat exchanger (612) It is arranged on simultaneously in the electromotor cooling system.
17. automotive thermal tube according to claim 16 manages system, it is characterised in that described second The refrigerant inlet (612a) of plate type heat exchanger (612) and the outlet of the outdoor heat exchanger, The refrigerant outlet (612b) of second plate type heat exchanger (612) and the 6th switch valve (610) Entrance connection.
18. the automotive thermal tube reason system according to claim 16 or 17, it is characterised in that described Electromotor cooling system include connected with second plate type heat exchanger (612) with formed the motor in loop, Motor radiator (613) and the second water pump (614).
19. automotive thermal tube according to claim 1 manages system, it is characterised in that the heat pump is empty Adjusting system also include second expansion switch valve (606), this second expansion switch valve (606) entrance with The outlet of the outdoor heat exchanger (605), the outlet of the second expansion switch valve (606) and institute State the first end connection of the tie point (620) of selective on or off and turned on the selectivity Or the first end connection of the second branch road (621) of cut-off, the second throttling branch road are described second swollen The throttling runner of swollen switch valve (606), the second through-flow branch road are the described second expansion switch valve (606) Through-flow runner.
20. automotive thermal tube according to claim 19 manages system, it is characterised in that the automobile Heat management system is applied to electric automobile, and the automotive thermal tube reason system also includes electromotor cooling system;
The heat pump type air conditioning system also includes:Second plate type heat exchanger (612), wherein, second plate The refrigerant inlet (612a) of formula heat exchanger (612) goes out with the described second expansion switch valve (606) Mouth connection, refrigerant outlet (612b) and the selectivity of second plate type heat exchanger (612) The tie point (620) of on or off first end connection and with the selective on or off The first end connection of second branch road (621), and second plate type heat exchanger (612) is set simultaneously In the electromotor cooling system.
21. automotive thermal tube according to claim 20 manages system, it is characterised in that the motor Cooling system includes motor coolant main line (616), the first motor coolant branch road (617) and second Motor coolant branch road (618), the first end of the motor coolant main line (616) optionally with The first end of the first motor coolant branch road (617) or the second motor coolant branch road (618) First end connection, the second end of the first motor coolant branch road (617) and second motor Second end of coolant branch road (618) connects with the second end of the motor coolant main line (616), Wherein, be in series with the motor coolant main line (616) motor, motor radiator (613) and Second water pump (614), second plate is in series with the first motor coolant branch road (617) Formula heat exchanger (612).
22. automotive thermal tube according to claim 1 manages system, it is characterised in that the heat pump is empty Adjusting system also includes gas-liquid separator (611), outlet and the pressure of the gas-liquid separator (611) The entrance connection of contracting machine (604), entrance and the indoor evaporator of the gas-liquid separator (611) (602) outlet and connected with the second end of the tie point (620), described first is board-like The refrigerant outlet of heat exchanger (637) is via the battery cooling for reflux branch road and the gas-liquid separator (611) entrance connection.
23. automotive thermal tube according to claim 1 manages system, it is characterised in that the heat pump is empty Adjusting system also includes ptc heater (619), and the ptc heater (619) is used for flowing through the room The wind of inner condenser (601) is heated.
24. automotive thermal tube according to claim 23 manages system, it is characterised in that the PTC Heater (619) is arranged in the windward side or leeward side of the indoor condenser (601).
25. a kind of electric automobile, it is characterised in that including according to any one in claim 1-24 Described automotive thermal tube reason system.
CN201610308045.4A 2016-05-10 2016-05-10 Automotive thermal tube manages system and electric car Active CN107351629B (en)

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