CN107351627A - 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
CN107351627A
CN107351627A CN201610307387.4A CN201610307387A CN107351627A CN 107351627 A CN107351627 A CN 107351627A CN 201610307387 A CN201610307387 A CN 201610307387A CN 107351627 A CN107351627 A CN 107351627A
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CN
China
Prior art keywords
valve
heat exchanger
outlet
branch road
entrance
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Granted
Application number
CN201610307387.4A
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Chinese (zh)
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CN107351627B (en
Inventor
汪孟瑛
叶梅娇
陈雪峰
黄健
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BYD Co Ltd
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BYD Co Ltd
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Priority to CN201610307387.4A priority Critical patent/CN107351627B/en
Publication of CN107351627A publication Critical patent/CN107351627A/en
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Publication of CN107351627B publication Critical patent/CN107351627B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/615—Heating or keeping warm
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The invention discloses a kind of automotive thermal tube reason system and electric automobile, the system includes heat pump type air conditioning system, battery bag heat-exchange system, engine-cooling system, first switch valve and the first plate type heat exchanger, the heat pump type air conditioning system and the engine-cooling system are exchanged heat by first plate type heat exchanger and the battery bag heat-exchange system respectively, the refrigerant inlet of first plate type heat exchanger heats the outlet of branch road and compressor via the battery of selective on or off, the refrigerant outlet of first plate type heat exchanger is heated to reflux the outlet of branch road and first switch valve via battery.Thus, except the demand realized in-car refrigeration and heated, the function of also cooling down and heat with battery, battery is worked all the time within the scope of suitable temperature, improve battery efficiency, endurance and service life.

Description

Automotive thermal tube manages system and electric automobile
Technical field
The present invention relates to automotive air-conditioning system, in particular it relates to a kind of automotive thermal tube reason system and electronic vapour Car.
Background technology
The battery efficiency for ensureing electric automobile is high, it is necessary to there is suitable operating temperature, it is too high or Height can all make a big impact to its performance and endurance.China Patent Publication No. is CN205039220U utility model discloses a kind of automobile power cell cooling system.The electrokinetic cell Although cooling system can be cooled down by evaporator in refrigeration to electrokinetic cell, electrokinetic cell with Evaporator, which is close together, to be exchanged heat, although feasible in principle, is difficult on car, because steaming Device is sent out typically all in air conditioning box body, cabinet space is limited, and the electrokinetic cell of pure electric automobile is very big, It is typically disposed in underbody.
The content of the invention
In order to solve problems of the prior art, according to an aspect of the present invention, there is provided a kind of vapour Car heat management system, wherein, the automotive thermal tube reason system includes heat pump type air conditioning system, battery bag exchanges heat System, engine-cooling system, first switch valve and the first plate type heat exchanger, the heat pump type air conditioning system It is by first plate type heat exchanger and battery bag heat exchange respectively with the engine-cooling system System heat exchange, the heat pump type air conditioning system change including compressor, indoor condenser, indoor evaporator and outdoor Hot device, the outlet of the compressor connect with the entrance of the indoor condenser, the indoor condenser Outlet connects with the entrance of the first switch valve, the egress selection of the first switch valve via the One throttling branch road or the first through-flow branch road connect with the entrance of the outdoor heat exchanger, the outdoor heat exchanger Egress selection connected via the second through-flow branch road with the entrance of the compressor or via second section Stream branch road connects with the entrance of the indoor evaporator, the outlet of the indoor evaporator and the compressor Entrance connection, the refrigerant inlet of first plate type heat exchanger via selective on or off electricity Pond cooling branch road connects with the outlet of the outdoor heat exchanger or with the entrance of the indoor evaporator, And connected via the battery heating branch road of selective on or off with the entrance of the compressor, it is described The refrigerant outlet of first plate type heat exchanger via selective on or off battery cooling for reflux branch road Connected with the entrance of the compressor.
Alternatively, the engine-cooling system include the first water pump, engine, indoor heater cores and Triple valve, the outlet of first water pump connect with the entrance of the triple valve, two of the triple valve Export the engine coolant entrance with first plate type heat exchanger and the indoor heater cores respectively Entrance connection, the indoor heater cores outlet and first plate type heat exchanger engine cool Coolant inlet of the liquid outlet with the engine connects, the cooling liquid outlet of the engine with it is described The entrance connection of first water pump.
Alternatively, the refrigerant inlet of first plate type heat exchanger via selective on or off institute The outlet of battery cooling branch road and the outdoor heat exchanger is stated, is provided with the battery cooling branch road First expansion valve.
Alternatively, the automotive thermal tube reason system also includes second switch valve, the first throttle branch road warp Connected by the second switch valve with the entrance of the indoor evaporator, the system of first plate type heat exchanger Cryogen entrance cools down the entrance of branch road and the second switch valve via the battery of selective on or off Connection, and it is provided with first flow valve on battery cooling branch road.
Alternatively, it is provided with the 3rd switch valve on the battery cooling for reflux branch road.
Alternatively, the first check valve, the 3rd switch are provided with the battery cooling for reflux branch road Valve connects via first check valve with the entrance of the compressor.
Alternatively, it is provided with second flow valve on battery heating branch road.
Alternatively, it is heated to reflux being provided with the second check valve on branch road in the battery.
Alternatively, first plate type heat exchanger is connected on the coolant circuit of the battery bag heat-exchange system In, and the second water connected with first plate type heat exchanger is additionally provided with the coolant circuit Pump, deputy tank and battery bag.
Alternatively, the 4th switch valve is provided with the described first through-flow branch road, on the first throttle branch road It is provided with the second expansion valve.
Alternatively, the heat pump type air conditioning system also include expansion switch valve, the entrance of the expansion switch valve with The outlet of the indoor condenser, the outlet of the expansion switch valve and the entrance of the outdoor heat exchanger Connection, the first throttle branch road for it is described expansion switch valve throttling runner, the first through-flow branch road For the through-flow runner of the expansion switch valve.
Alternatively, the 5th switch valve is provided with the described second through-flow branch road, described second throttles on branch road It is provided with the 3rd expansion valve.
Alternatively, the outlet of the indoor evaporator connects via the entrance of the 3rd check valve and the compressor It is logical.
Alternatively, the heat pump type air conditioning system is applied to electric automobile, is also set on the second through-flow branch road The second plate type heat exchanger is equipped with, the motor that second plate type heat exchanger is arranged on the electric automobile simultaneously is cold But in system.
Alternatively, the 5th switch valve, second plate type heat exchanger are provided with the described second through-flow branch road Refrigerant inlet and the outdoor heat exchanger outlet, the refrigerant outlet of the plate type heat exchanger Connected with the entrance of the 5th switch valve.
Alternatively, the electromotor cooling system includes connecting to form loop with second plate type heat exchanger Motor, motor radiator and the 3rd water pump.
Alternatively, the heat pump type air conditioning system also includes gas-liquid separator, the outlet of the indoor evaporator Connected with the entrance of the gas-liquid separator, the outlet of the outdoor heat exchanger is via the described second through-flow branch Road connects with the entrance of the gas-liquid separator, and the refrigerant outlet of first plate type heat exchanger is via electricity Pond cooling for reflux branch road connects with the entrance of the gas-liquid separator, the outlet of the gas-liquid separator and institute State the entrance connection of compressor.
Alternatively, the heat pump type air conditioning system also includes ptc heater, and the ptc heater is used to add Wind of the hot-fluid through the indoor condenser.
Alternatively, the ptc heater is arranged on 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.
Automotive thermal tube provided by the invention manages system, except heat pump type air conditioning system can be utilized to realize the in-car summer Its refrigeration and the demand of winter heating, the also function of battery cooling and battery heating.It is board-like by first Heat exchanger, heat exchange can be carried out with battery bag coolant by the refrigerant of heat pump type air conditioning system, to electricity Pond cools, and can carry out heat exchange with battery bag coolant by the coolant of engine again, battery is heated, Using the heat exchange between three kinds of media, effective utilization to the energy under different vehicle conditions is suitable for, makes battery All the time worked within the scope of suitable temperature, so as to improve the efficiency for charge-discharge of battery, endurance and make Use the life-span.In addition, the present invention can both realize air conditioning for automobiles in the case where not changing refrigerant circulation direction The refrigeration of system and heating, it is simple in construction so that whole system pipeline arrangement is simple, is easy to produce in batches.
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 be for providing a further understanding of the present invention, and a part for constitution instruction, with Following embodiment is used to explain the present invention together, but is not construed as limiting the invention. In accompanying drawing：
Fig. 1 is the structural representation according to the heat pump type air conditioning system of one embodiment of the present 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 is the structural representation according to the heat pump type air conditioning system of another embodiment of the invention；
Fig. 6 is the structural representation that system is managed according to the automotive thermal tube of one embodiment of the present invention；
Fig. 7 is the structural representation that system is managed according to the automotive thermal tube of another embodiment of the invention；
Fig. 8 is the overlooking the structure diagram for the expansion switch valve that the preferred embodiment for the present invention provides；
Fig. 9 be along the cross-sectional view crossed by Fig. 8 center lines AB-AB, wherein, the first valve port Open mode is in the second valve port；
Figure 10 is that the expansion switch valve that the preferred embodiment for the present invention provides along visual angle faces knot Structure schematic diagram；
Figure 11 be along the cross-sectional view crossed by Fig. 8 center lines AB-AB, wherein, the first valve port In open mode, the second valve port is in closure state；
Figure 12 be along the cross-sectional view crossed by Fig. 8 center lines AB-AB, wherein, the first valve port In closure state, the second valve port is in open mode；
Figure 13 is the facing along another visual angle for the expansion switch valve that the preferred embodiment for the present invention provides Structural representation；
Figure 14 be along the cross-sectional view crossed by Figure 13 center lines AC-AC, wherein, the first valve Mouth is in open mode, and the second valve port is in closure state；
Figure 15 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 16 is the partial enlarged drawing in A portions in Figure 15；
Figure 17 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 18 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, and is not limited to this hair It is bright.
In the present invention, in the case where not making opposite explanation, the noun of locality that uses as " it is upper and lower, left, It is right " be typically for the page of accompanying drawing, " upstream, downstream " be relative to medium, Such as, it is downstream towards the flow direction of refrigerant specifically for the flow direction of refrigerant, the back of the body Flow direction from refrigerant is upstream, " inside and outside " refer to corresponding component profile it is interior with it is outer.
In the present invention, electric automobile mainly refers to hybrid vehicle.
Fig. 1 is the structural representation according to the heat pump type air conditioning system of one embodiment of the present invention.Such as figure Shown in 1, the system can include：HVAC (heating and ventilation and air-conditioning, Heating Ventilation and Air Conditioning) assembly 600 and air door mechanism (not shown), wherein, HVAC assemblies 600 Indoor condenser 601 and indoor evaporator 602 can be included.Air door mechanism can be used for conducting and lead to room The air channel of interior evaporator 602 and indoor condenser 601.As shown in figure 1, the outlet of compressor 604 with Indoor condenser 601 entrance connection, the egress selection of indoor condenser 601 via first throttle Branch road or the first through-flow branch road connect with the entrance of outdoor heat exchanger 605, the outlet of outdoor heat exchanger 605 Optionally connected via the second throttling branch road with the entrance of indoor evaporator 602 or via the second through-flow branch Road connects with the entrance of compressor 604, and the outlet of indoor evaporator 602 connects with the entrance of compressor 604 It is logical.
In the present invention, or the outlet of indoor condenser 601 is via first throttle branch road and outdoor heat exchange The entrance connection of device 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.For example, in one embodiment, such as Fig. 1 Shown, heat pump type air conditioning system can also include expansion switch valve 603, the entrance of the expansion switch valve 603 With the outlet of indoor condenser 601, outlet and the outdoor heat exchanger 605 of the expansion switch valve 603 Entrance connection, wherein, first throttle branch road for expansion switch valve 603 throttling runner, first is through-flow Branch road is the through-flow runner of expansion switch valve 603.
In the present invention, expansion switch valve is that have expansion valve function (also referred to as electric expansion valve simultaneously Function) and switch valve function (also referred to as magnetic valve function) valve, it is switch that can be regarded as Valve and expansion valve it is integrated.Through-flow runner and throttling runner are internally formed in expansion switch valve, when swollen Swollen switch valve is 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 4th switch valve 608 and the second expansion valve 607, wherein, the 4th switch is provided with the first through-flow branch road Valve 608, the second expansion valve 607 is provided with first throttle branch road.Specifically, as shown in Fig. 2 room The outlet of inner condenser 601 is connected with shape via the 4th switch valve 608 with the entrance of outdoor heat exchanger 605 Into the first through-flow branch road, the outlet of indoor condenser 601 is via the second expansion valve 607 and outdoor heat exchanger 605 entrance is connected to form first throttle branch road.When system is under heat pump high-temperature refrigeration circulation pattern When, the 4th switch valve 608 is turned on, and the second expansion valve 607 is closed, the outlet warp of indoor condenser 601 Connected by the first through-flow branch road with the entrance of outdoor heat exchanger 605.Followed when system is in heat pump low-temperature heating When under ring mode, the second expansion valve 607 is turned on, and the 4th switch valve 608 is closed, indoor condenser 601 Outlet connected via first throttle branch road with the entrance of outdoor heat exchanger 605.
Laid in order to facilitate pipeline, save space hold, it is preferable that in heat pump air conditioner provided by the invention Using expansion switch valve 603 in system, i.e. the embodiment shown in Fig. 1.
With the implementation of the first through-flow branch road and first throttle branch road in the embodiment of above-mentioned replacement It is similar, as shown in figure 1, the 5th switch valve 610 is provided with the second through-flow branch road, the second throttling branch The 3rd expansion valve 609 is provided with road.Specifically, as shown in figure 3, the outlet of outdoor heat exchanger 605 Connected via the 5th switch valve 610 with the entrance of compressor 604 to form the second through-flow branch road, outdoor is changed The outlet of hot device 605 connects via the 3rd expansion valve 609 with the entrance of indoor evaporator 602 to form Two throttling branch roads.When system is under heat pump high-temperature refrigeration circulation pattern, the 3rd expansion valve 609 turns on, 5th switch valve 610 is closed, and the outlet of outdoor heat exchanger 605 is via the second throttling branch road and indoor evaporation The entrance connection of device 602.When system is under heat pump low-temperature heating circulation pattern, the 5th switch valve 610 Conducting, the 3rd expansion valve 609 are closed, and the outlet of outdoor heat exchanger 605 is via the second through-flow branch road and pressure The entrance connection of contracting machine 604.
Fig. 3 shows the structural representation of the heat pump type air conditioning system according to another embodiment of the present invention. As shown in figure 3, the heat pump type air conditioning system can also include the check valve 615 of gas-liquid separator 611 and the 3rd, Wherein, the outlet of indoor evaporator 602 connects with the entrance of gas-liquid separator 611, gas-liquid separator 611 Outlet connected with the entrance of compressor 604.So, the refrigerant flowed out through indoor evaporator 602 can Gas-liquid separation is carried out to first pass around gas-liquid separator 611, the gas isolated is back to compressor again In 604, compressor 604 is damaged so as to prevent liquid refrigerant from entering compressor 604, so as to To extend the service life of compressor 604, and improve the efficiency of whole heat pump type air conditioning system.Indoor evaporation The outlet of device 602 is connected by the 3rd check valve 615 with the entrance of gas-liquid separator 611.Here, if It is to prevent in heat pump low-temperature heating circulation pattern (described in detail below) to put the 3rd check valve 615 Lower refrigerant is back to indoor evaporator 602, influences heating effect.
Under heat pump low-temperature heating circulation pattern, in order to improve heating ability, it is preferable that as shown in figure 4, The second plate type heat exchanger 612, second plate type heat exchanger 612 are provided with whole heat pump type air conditioning system It is also disposed in simultaneously in the electromotor cooling system of electric automobile.So, electromotor cooling system can be utilized Waste heat give air-conditioning system refrigerant heat, so as to improve the suction temperature of compressor 604 and inspiratory capacity. Second plate type heat exchanger 612 can arbitrarily be arranged on the upstream or downstream of the 5th switch valve 610.In Fig. 4 In the embodiment shown, the second plate type heat exchanger 612 is arranged on the upstream of the 5th switch valve 610, i.e. The refrigerant inlet 612a of second plate type heat exchanger 612 and the outlet of outdoor heat exchanger 605, the The refrigerant outlet 612b of double-plate heat exchanger 612 connects with the entrance of the 5th switch valve 610.Another (not shown) in a kind of embodiment, the second plate type heat exchanger 612 are arranged on the 5th switch valve 610 Downstream, i.e. the second refrigerant inlet 612a of plate type heat exchanger 612 and going out for the 5th switch valve 610 Mouth connection, the refrigerant outlet 612b of the second plate type heat exchanger 612 and the entrance of gas-liquid separator 611 Connection.
At the same time, the second plate type heat exchanger 612 is arranged in electromotor cooling system simultaneously.Such as Fig. 4 institutes Show, electromotor cooling system can include connected with the second plate type heat exchanger 612 with formed the motor in loop, The water pump 614 of motor radiator 613 and the 3rd.So, refrigerant can pass through the second plate type heat exchanger 612 Heat exchange is carried out with the coolant in electromotor cooling system.By the 5th switch valve 610 and indoor evaporator After 602, the outlet of indoor evaporator 602 is still the gas of low-temp low-pressure, now the 5th switch valve 610 Only flowed through with indoor evaporator 602 as runner.
In heat pump type air conditioning system provided by the invention, R134a, R410a, R32, R290 can be used Etc. various refrigerants, preferentially high temperature refrigerant is selected.
Fig. 5 is the structural representation according to the heat pump type air conditioning system of another embodiment of the present invention.Such as figure Shown in 6, HVAC assemblies 600 can also include ptc heater 619, and the ptc heater 619 is used Heated in the wind to 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 (12V or 24V batteries drive), voltage range：9V-32V.In addition, this ptc heater 619 can be by Several or a complete core body of several pieces of PTC-ceramic piece modules and radiating fin composition, or The PTC-ceramic piece module of strip with radiating fin or bulk.
In the present invention, the ptc heater 619 can arrange the windward side of condenser 601 indoors Or leeward side.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, It can also be arranged at the air port of defrosting duct.
If ptc heater 619 is arranged in the windward side or leeward of casing interior room inner condenser 601 Side, be arranged in parallel with indoor condenser 601, can the grooving on casing housing, ptc heater 619 hang down Straight cutting enters to put casing into, can also welding support, ptc heater on the side plate of condenser 601 indoors 619 are fixed by screws on the support of indoor condenser 601.If ptc heater 619 is arranged In blowing at pin air port and defrosting outlet for casing, or it is arranged at the air port of defrosting duct, screw can be passed through It is directly anchored at the air port of casing air outlet and wind passage mouth.
By this embodiment, when temperature is too low outside car, the heating capacity of heat pump low temperature heating is unsatisfactory for car During interior demand, the auxiliary heating heating of ptc heater 619 can be run, it is possible thereby to eliminate heat pump air conditioner The defects of heating capacity is small when system hypothermia heats, and vehicle defrosting-defogging is slow, and heating effect is bad.
Fig. 6 is the structural representation that system is managed according to the automotive thermal tube of one embodiment of the present invention.Such as Shown in Fig. 6, automotive thermal tube reason system can include heat pump type air conditioning system described above, battery bag Heat-exchange system and the first plate type heat exchanger 620, wherein, the refrigerant inlet of the first plate type heat exchanger 620 620a cools down the outlet or room of branch road and outdoor heat exchanger 605 via the battery of selective on or off The entrance connection of interior evaporator 602, the refrigerant outlet 620b of the first plate type heat exchanger 620 is via electricity Pond cooling for reflux branch road is connected with the entrance of compressor 604, and the first plate type heat exchanger 620 is connected on simultaneously In the battery coolant circuit of battery bag heat-exchange system.
That is, the main inventive concept as the present invention, it is that branch road, first are cooled down by battery by increase It is that plate type heat exchanger 620 and battery cooling for reflux branch road collectively constitute and that indoor evaporator 602 is in parallel For the refrigerant diverter branch cooled down to battery, so, when the cooling circulation of heat pump high-temperature refrigeration power-up pond When under pattern, refrigerant is segmented into two strands：Wherein one refrigerant flow direction indoor evaporator 602, and Evaporated indoors in evaporator 602, absorb indoor environment heat, reduce indoor temperature；Another burst of refrigeration Agent flows to the first plate type heat exchanger 620, and passes through the first plate type heat exchanger 620 and battery bag heat-exchange system Battery coolant circuit in coolant exchanged heat, absorb the heat of coolant, and then can realize Cooling to battery bag 622.
In the present invention, the refrigerant inlet 620a of the first plate type heat exchanger 620 connected mode has two Kind pattern：In one embodiment, as shown in fig. 6, the refrigerant of the first plate type heat exchanger 620 enters Mouth 620a can be via the battery cooling branch road of selective on or off and going out for outdoor heat exchanger 605 Mouth connection.Specifically, the first expansion valve 621 can be set on battery cooling branch road.So, can be with According to the actual requirements by opening or closing the first expansion valve 621 to control whether refrigerant can flow into The refrigerant inlet 620a of first plate type heat exchanger 620.That is, it is to be on to control battery cooling branch road State, it is in cut-off state.
In this embodiment, under heat pump high-temperature refrigeration power-up pond cooling circulation pattern, changed from outdoor The refrigerant for the medium temperature high pressure that hot device 605 comes out directly is divided into two strands：One flows to the 3rd expansion valve 609； Another plume is to the first expansion valve 621.In other words, now refrigerant be after shunting again on every branch road Reducing pressure by regulating flow is carried out respectively.
In another embodiment, as shown in fig. 7, automotive thermal tube reason system also includes the 4th switch valve 626, the second throttling branch road connects via the 4th switch valve 626 with the entrance of indoor evaporator 602.Tool Body, in the embodiment shown in figure, the outlet of the 3rd expansion valve 609 is via the 4th switch valve 626 Connected with the entrance of indoor evaporator 602.The refrigerant inlet 620a warps of first plate type heat exchanger 620 Connected by the battery cooling branch road of selective on or off with the entrance of the 4th switch valve 626, and First flow valve 627 is provided with battery cooling branch road.
So, it can control whether refrigerant can flow into first by controlling first flow valve 627 The refrigerant inlet 620a of plate type heat exchanger 620, i.e. control battery cooling branch road be it is in the conduction state, It is in cut-off state.In addition, control first flow valve 627 can also be made according to regulation and control are actually needed Cryogen flows into the size of the flow of the first plate type heat exchanger 620.
In this embodiment, under heat pump high-temperature refrigeration power-up pond cooling circulation pattern, changed from outdoor The refrigerant for the medium temperature high pressure that hot device 605 comes out is divided into two strands after the throttling of the 3rd expansion valve 609： One flows to the 4th switch valve 626, another plume to first flow valve 627, wherein, first flow valve 627 can realize the function of the distribution of the flow proportional of two strands of refrigerants.Now, refrigerant is first dry Carry out what then reducing pressure by regulating flow was shunted again on road.
In order to prevent under heat pump low-temperature heating circulation pattern, the refrigerant of low-temp low-pressure is back to the first plate In formula heat exchanger 620, the first check valve 628 is provided with battery cooling for reflux branch road.That is, first Check valve 628 can only uniaxially allow refrigerant from the refrigerant outlet 620b of the first plate type heat exchanger 620 The entrance of compressor 604 is flowed to, and can not be flowed round about.
Specifically, the first plate type heat exchanger 620 is connected in the coolant circuit of battery bag heat-exchange system, And the second water pump 624 connected with the first plate type heat exchanger 620, pair are additionally provided with coolant circuit Water tank 625 and battery bag 622.
For example, in one embodiment, the cooling liquid outlet of battery bag 622 is cold with deputy tank 625 But liquid entrance connects, and the cooling liquid outlet of deputy tank 625 connects with the coolant inlet of the second water pump 624, The cooling liquid outlet of second water pump 624 connects with the coolant inlet of the first plate type heat exchanger 620, and first The cooling liquid outlet of plate type heat exchanger 620 connects with the coolant inlet of battery bag 622, is consequently formed electricity Pond bag cooling/heating circulation.
As above, to prevent liquid refrigerant enters compressor 604 from damaging compressor 604, so as to To extend the service life of compressor 604, and the efficiency of whole heat pump type air conditioning system is improved, it is empty in heat pump Gas-liquid separator 611 is provided with adjusting system.As shown in Figure 6 and Figure 7, gas-liquid separator 611 enters In addition to mouth connects except the outlet with indoor evaporator 602 and the 5th switch valve 610, the first plate-type heat-exchange The refrigerant outlet 620b of device 620 also entering via battery cooling for reflux branch road and gas-liquid separator 611 Mouth connection.In other words, the liquid refrigerant come out from the first plate type heat exchanger 620 can also first pass around Gas-liquid separator 611 carries out gas-liquid separation, and the gas isolated is back in compressor 604 again, so as to Prevent liquid refrigerant from entering compressor 604 and damaging compressor 604.
Return now in the structural representation of the automotive thermal tube reason system shown in Fig. 7.As shown in fig. 7, In the system, automotive thermal tube reason system can also include first switch valve 630, wherein, indoor condenser 601 outlet connects with the entrance of first switch valve 630, the egress selection of first switch valve 630 Connected via first throttle branch road or the first through-flow branch road with the entrance of outdoor heat exchanger 605.It is specific such as to scheme Shown in 7, the outlet of first switch valve 630 can be via expansion switch valve 603 and outdoor heat exchanger 605 Entrance connection.In addition, the refrigerant inlet 620a of the first plate type heat exchanger 620 is led via selectivity The outlet of logical or cut-off battery heating branch road and compressor 604, the first plate type heat exchanger 620 Refrigerant outlet 620b is heated to reflux the outlet of branch road and first switch valve 630 via battery, the One plate type heat exchanger 620 is connected in the battery coolant circuit of battery bag heat-exchange system simultaneously.
That is, another inventive concept as the present invention, switched by condenser 601 indoors and expansion Increase first switch valve 630 between valve 603, and increase refrigeration of the connection in the first plate type heat exchanger 620 Battery heating branch road between the entrance of agent entrance 620a and indoor condenser 601, and connection is the Battery between the refrigerant outlet 620b and first switch valve 630 of one plate type heat exchanger 620 outlet Branch road is heated to reflux, wherein, battery heating branch road, the first plate type heat exchanger 620 and battery are heated to reflux Branch road where branch road collectively constitutes one and indoor condenser 601 and first switch valve 630 is in parallel For the refrigerant diverter branch heated to battery.So, when heat pump low-temperature heating adds battery-heated model When lower, the refrigerant of the HTHP come out from compressor 604, two strands are segmented into：Wherein one is made Cryogen flows to the entrance of indoor condenser 601, condenses heat release, raises indoor environment temperature, indoor condensation The outlet of device 601 is the liquid refrigerant of medium temperature high pressure, the outlet of indoor condenser 601 and first switch The entrance of valve 630 is connected, another strand of the first plate type heat exchanger of refrigerant flow direction 620, and passes through the first plate Formula heat exchanger 620 is exchanged heat with the coolant in the battery coolant circuit of battery bag heat-exchange system, cold But the heat of liquid 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, the is provided with battery heating branch road Two flow valves 631.So, when needing to heat battery, for example, under battery-heated model, Second flow valve 631 can be opened, now, refrigerant can flow through the first plate type heat exchanger 620, carry Heating load gives battery bag heat-exchange system.When that need not be heated to battery, for example, being cooled down in battery Under circulation pattern, second flow valve 631 can be closed, prevents the refrigerant of HTHP from entering the first plate Formula heat exchanger 620 carries out heat temperature raising to battery, and causing the temperature of battery further increases.In addition, the Two flow valves 631 also have the function that the ratio for distributing two strands of refrigerant flows.
To prevent under battery heat cycles pattern, from the refrigerant outlet of the first plate type heat exchanger 620 The refrigerant of the liquid for the cryogenic high pressure that 620b comes out flows directly into compressor 604, causes to compressor Infringement, the 3rd switch valve 633 is provided with battery cooling for reflux branch road.So, when system is in battery When under heat cycles pattern, it can use and close the 3rd switch valve 633 so that from the first plate type heat exchanger 620 The refrigerants of cryogenic high pressure that come out of refrigerant outlet 620b be all heated to reflux branch road stream via battery To expansion switch valve 603.
As described above, in order to prevent under heat pump low-temperature heating circulation pattern, the refrigerant backflow of low-temp low-pressure Into the first plate type heat exchanger 620, the first check valve 628 is provided with battery cooling for reflux branch road. Wherein, the 3rd switch valve 633 connects via the first check valve 628 with the entrance of compressor 604.
To prevent in the case where battery cools down circulation pattern, the gas of the HTHP come out from indoor condenser 601 Cryogen is heated to reflux branch road after first switch valve 630, along battery and flows to the first plate-type heat-exchange The refrigerant outlet 620b of device 620, it is heated to reflux being provided with the second check valve 632 on branch road in battery. That is, the second check valve 632 can uniaxially allow refrigerant from the refrigerant of the first plate type heat exchanger 620 620b flow direction expansion switch valves 603 are exported, and can not be flowed in opposite direction.
In the structural representation for returning the automotive thermal tube reason system shown in Fig. 6 below.As shown in fig. 6, The automotive thermal tube manage system except including heat pump type air conditioning system described above, battery bag heat-exchange system and Outside first plate type heat exchanger 620, engine-cooling system can also be included, wherein, heat pump air conditioner system System and the engine-cooling system are changed by the first plate type heat exchanger 620 with battery bag heat-exchange system respectively Heat.In the present invention, the first plate type heat exchanger 620 is three ply board formula heat exchanger.So-called " three ply board formula Heat exchanger " refers to the plate type heat exchanger for being internally formed three heat exchanger channels, wherein, a heat exchanger channels Interior flowing be heat pump type air conditioning system refrigerant, flowing is battery coolant in heat exchanger channels, Flowing is engine coolant in one heat exchanger channels.
Specifically, as shown in Figure 6 and Figure 7, engine-cooling system can include the first water pump 641, Engine 642, indoor heater cores 643 (being arranged in HVAC 600) and triple valve 644, wherein, The outlet of first water pump 641 connects with the entrance 644a of triple valve 644, and two of triple valve 644 go out Mouthful (that is, second outlet 644c and first outlet 644b) entrance with indoor heater cores 643 respectively Connected with the engine coolant entrance 620c of the first plate type heat exchanger 620, indoor heater cores 643 Outlet and the first plate type heat exchanger 620 engine coolant export 620d with engine 642 Coolant inlet connects, and the cooling liquid outlet of engine 642 connects with the entrance of the first water pump 641.
When opening the first water pump 641, the entrance 644a and the first of triple valve 644 of triple valve 644 is turned on When exporting 644b, engine coolant can be via the engine coolant of the first plate type heat exchanger 620 Entrance 620c flows into the first plate type heat exchanger 620, and cold via the engine of the first plate type heat exchanger 620 But liquid outlet 620d flows out the first plate type heat exchanger 620.So, the waste heat of engine 642 can be utilized Heated for battery bag.Further, it is also possible to entrance 644a and threeway by turning on triple valve 644 The second outlet 644c of valve 644 so that engine coolant flows into indoor heater cores 643, so as to real Now heated using engine exhaust heat to be in-car.
Below system will be managed in different works automotive thermal tube provided by the invention is described in detail by taking Fig. 6 as an example Cyclic process and principle under operation mode.It should be appreciated that other embodiment is (for example, Fig. 7 institutes The embodiment shown) under system circulation process and principle to Fig. 6 be it is similar, herein just no longer one by one Repeat.
Pattern one：Heat pump high-temperature refrigeration circulation pattern.System in this mode when, whole system shape Into a high-temperature refrigeration circulatory system.As shown in fig. 6, first, compressor 604 is discharged high through overcompression The gas of warm high pressure, it is connected with indoor condenser 601.Now, by air door mechanism control wind without Indoor condenser 601, due to calm process, therefore, hot friendship will not be carried out in condenser 601 indoors Change, the indoor condenser 601 only uses as runner, and it is still high temperature that now indoor condenser 601, which exports, The gas of high pressure.The indoor outlet of condenser 601 is connected with expansion switch valve 603, now expands switch valve 603 switch valve actions, only flow through as runner, now expand switch valve 603 and export still as high temperature height The gas of pressure.Expansion switch valve 603 outlet is connected with outdoor heat exchanger 605, outdoor heat exchanger 605 and Outdoor air is exchanged heat, and heat is dispersed into air, and the outlet of outdoor heat exchanger 605 is the liquid of medium temperature high pressure Body.Now, the 5th switch valve 610 is closed, and the first expansion valve 621 is closed, and outdoor heat exchanger 605 goes out Mouth is connected with the 3rd expansion valve 609, and the 3rd expansion valve 609 plays throttling action as restricting element, its Export as low temperature and low pressure liquid.The aperture of 3rd expansion valve 609 can give certain open according to the actual requirements Degree, this aperture can be according to the entrances installed in the outlet of indoor evaporator 602 and gas-liquid separator 611 Between pressure-temperature sensor pressure and temperature gathered data calculate indoor evaporator 602 outlet system The cryogen degree of superheat is adjusted.The outlet of 3rd expansion valve 609 is connected with the entrance of indoor evaporator 602, low Warm low pressure liquid is evaporated in evaporator 602 indoors so that the outlet of indoor evaporator 602 is low temperature The gas of low pressure.The outlet of indoor evaporator 602 is connected with the entrance of the 3rd check valve 615, and the 3rd is single Outlet to valve 615 is connected with the entrance of gas-liquid separator 611, and the liquid not being evaporated is passed through gas-liquid Separator 611 is separated, and the gas of last low-temp low-pressure is returned in compressor 604, is consequently formed one and is followed Ring.Now the flow direction of the apoplexy of HVAC assemblies 600 flows only through indoor evaporator 602, indoor condenser 601 Calm process, only flows through as refrigerant flow path.Also, in this mode, the second water pump 624 is closed, First water pump 641 is closed, and triple valve 644 powers off, i.e. is closed.
Pattern two：Battery cools down circulation pattern.System in this mode when, battery bag heat-exchange system Form a battery bag cooling recirculation system.As shown in fig. 6, compressor 604 discharges high temperature through overcompression The gas of high pressure, it is connected with indoor condenser 601.Now, wind is controlled without room by air door mechanism Inner condenser 601, due to calm process, therefore, heat exchange will not be carried out in condenser 601 indoors, The indoor condenser 601 only uses as runner, and it is still HTHP that now indoor condenser 601, which exports, Gas.The indoor outlet of condenser 601 is connected with expansion switch valve 603, now expands switch valve 603 Switch valve action is played, is only flowed through as runner, switch valve 603 is now expanded and exports still as HTHP Gas.The outlet of expansion switch valve 603 is connected with outdoor heat exchanger 605, outdoor heat exchanger 605 and outdoor Air heat-exchange, heat is dispersed into air, the outlet of outdoor heat exchanger 605 is the liquid of medium temperature high pressure. Now, the 5th switch valve 610 is closed, and the 3rd expansion valve 609 is closed, outdoor heat exchanger 605 outlet with First expansion valve 621 is connected, and the first expansion valve 621 plays throttling action as restricting element, and it is exported For low temperature and low pressure liquid.The aperture of first expansion valve 621 can give certain aperture according to the actual requirements, This aperture can be according to the entrance installed in the outlet of the first plate type heat exchanger 620 and gas-liquid separator 611 Between the pressure and temperature gathered data of pressure-temperature sensor calculate refrigerant superheat degree and adjust. The outlet of first expansion valve 621 is connected with the refrigerant inlet 620a of the first plate type heat exchanger 620, low temperature Low pressure liquid is exchanged heat in the first plate type heat exchanger 620 with the hot water come out from battery bag 622, is made The refrigerant outlet 620b for obtaining the first plate type heat exchanger 620 is the gas of low-temp low-pressure.First board-like changes The refrigerant outlet 620b of hot device 620 is connected with the entrance of the first check valve 628, the first check valve 628 Outlet be connected with the entrance of gas-liquid separator 611, the liquid not being evaporated is passed through gas-liquid separator 611 separation, the gas of last low-temp low-pressure are returned in compressor 604, are consequently formed a circulation.This When the apoplexy of HVAC assemblies 600 flow direction flow only through indoor evaporator 602, indoor condenser 601 is calm By only being flowed through as refrigerant flow path.Also, in this mode, the second water pump 624 is opened, the One water pump 641 is closed, and triple valve 644 powers off.
Pattern three：Heat pump high-temperature refrigeration power-up pond cooling circulation pattern.System in this mode when, Whole system forms high-temperature refrigeration battery cooling recirculation system simultaneously.As shown in fig. 6, first, pressure Contracting machine 604 discharges the gas of HTHP through overcompression, is connected with indoor condenser 601.Now, lead to Cross air door mechanism and control wind without indoor condenser 601, it is therefore, cold indoors due to calm process Heat exchange will not be carried out in condenser 601, the indoor condenser 601 only uses as runner, now indoor Condenser 601 is exported still as the gas of HTHP.The indoor outlet of condenser 601 and expansion switch valve 603 It is connected, now expands switch valve 603 and play switch valve action, only flowed through as runner, now expansion switch Valve 603 is exported still as the gas of HTHP.Expand the outlet of switch valve 603 and the phase of outdoor heat exchanger 605 Even, outdoor heat exchanger 605 exchanges heat with outdoor air, heat is dispersed into air, outdoor heat exchanger 605 Export as the liquid of medium temperature high pressure.Now, the 5th switch valve 610 is closed, and the first expansion valve 621 is opened, Outdoor heat exchanger 605 exports to be connected with the 3rd expansion valve 609 and the first expansion valve 621 respectively.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 3rd expansion valve 609 entrance, the 3rd expansion valve 609 play throttling action as restricting element, and it is that low temperature is low that it, which is exported, Press liquid.The aperture of 3rd expansion valve 609 can give certain aperture according to the actual requirements, and this aperture can With according to be arranged on indoor evaporator 602 outlet and gas-liquid separator 611 entrance between pressure- The pressure and temperature gathered data of temperature sensor calculates the outlet of indoor evaporator 602 refrigerant superheat degree and come Regulation.The outlet of 3rd expansion valve 609 is connected with the entrance of indoor evaporator 602, and low temperature and low pressure liquid exists It is evaporated in indoor evaporator 602 so that the outlet of indoor evaporator 602 is the gas of low-temp low-pressure, The outlet of indoor evaporator 602 is connected with the entrance of the 3rd check valve 615.Another plume expands to first The entrance of valve 621, the aperture of the first expansion valve 621 can give certain aperture according to the actual requirements, This aperture can be according to the refrigerant outlet 620b and gas-liquid separator 611 of the first plate type heat exchanger 620 Entrance between the pressure and temperature gathered data of pressure-temperature sensor calculate refrigerant superheat degree and come Regulation.First expansion valve 621 plays throttling action as restricting element, and its outlet is low temperature and low pressure liquid. The outlet of first expansion valve 621 is connected with the refrigerant inlet 620a of the first plate type heat exchanger 620, low temperature Hot water of the low pressure liquid with being come out from battery bag 622 in the first plate type heat exchanger 620 carries out heat exchange, So that the refrigerant outlet 620b of the first plate type heat exchanger 620 is the gas of low-temp low-pressure, first is board-like The refrigerant outlet 620b of heat exchanger 620 is connected with the first check valve 628.3rd check valve 615 Outlet and the outlet of the first check valve 628 are connected with gas-liquid separator 611 respectively, from the first check valve 628 The refrigerant that is come out with the outlet from the first check valve 628 of outlet refrigerant out converge, not steaming The liquid distributed is separated by gas-liquid separator 611, and the gas of last low-temp low-pressure returns to compressor 604 In, it 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.Also, in the pattern Under, the second water pump 624 is opened, and the first water pump 641 is closed, and triple valve 644 powers off.
Pattern four：Heat pump low-temperature heating circulation pattern.System in this mode when, whole system shape Into a low temperature heating circulation system.As shown in fig. 6, first, compressor 604 is discharged high through overcompression The gas of warm high pressure, it is connected with indoor condenser 601, now, indoor condenser 601 has wind process, 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 expansion switch valve 603, now expands Close valve 603 and play expansion valve, play throttling action as restricting element, its outlet is low-temp low-pressure Liquid.Wherein, the aperture for expanding switch valve 603 can give certain aperture according to the actual requirements, This aperture can be according to the temperature acquisition of the pressure-temperature sensor installed in the exit of compressor 604 The numbers of data (i.e. compressor exhaust temperature) is adjusted.Expansion switch valve 603 exports and outdoor heat exchange The entrance of device 605 is connected, and outdoor heat exchanger 605 absorbs the heat of outdoor air, outdoor heat exchanger 605 Export the gas for low-temp low-pressure.Now, the 5th switch valve 610 is opened, and the 3rd expansion valve 609 is closed, First expansion valve 621 is closed, and refrigerant is directly entered gas-liquid separator 611 without indoor evaporator 602 In, the liquid not being evaporated is separated by gas-liquid separator 611, and the gas of last low-temp low-pressure returns to pressure In contracting machine 604, a circulation is consequently formed.Also, in this mode, the second water pump 624 is closed, First water pump 641 is closed, and triple valve 644 powers off.
Pattern five：Battery heat cycles pattern.System in this mode when, battery bag heat-exchange system Form a battery bag cooling recirculation system.As shown in fig. 6, first, compressor 604 is arranged through overcompression Go out the gas of HTHP, be connected with second flow valve 631, now, first switch valve 630 is closed, The outlet of second flow valve 631 is the gas of HTHP, the outlet of second flow valve 631 and the first plate Formula heat exchanger 620 is connected, the gas of HTHP in the first plate type heat exchanger 620 with from battery bag 622 Cold water out is exchanged heat so that the refrigerant outlet 620b of the first plate type heat exchanger 620 is medium temperature The liquid of high pressure.The refrigerant outlet 620b of first plate type heat exchanger 620 passes through the second check valve 632 The entrance of expansion switch valve 603 is connected to, switch valve 603 is now expanded and plays expansion valve, as Restricting element plays throttling action, and it exports the liquid for low-temp low-pressure.Wherein, switch valve 603 is expanded Aperture can give certain aperture according to the actual requirements, this aperture can be according to installed in compressor The temperature acquisition data (i.e. compressor exhaust temperature) of the pressure-temperature sensor in 604 exit it is more It is few to adjust.The outlet of expansion switch valve 603 is connected with the entrance of outdoor heat exchanger 605, outdoor heat exchanger 605 absorb the heat of outdoor air, and the outlet of outdoor heat exchanger 605 is the gas of low-temp low-pressure.Now, 6th switch valve 610 is opened, and the 3rd expansion valve 609 is closed, and the first expansion valve 621 is closed, refrigerant It is directly entered without indoor evaporator 602 in gas-liquid separator 611, the liquid not being evaporated passes through gas Liquid/gas separator 611 is separated, and the gas of last low-temp low-pressure is returned in compressor 604, is consequently formed one Circulation.Also, in this mode, the second water pump 624 is closed, the first water pump 641 is closed, triple valve 644 power-off.
Pattern six：Heat pump low-temperature heating and battery heat cycles pattern.System in this mode when, Battery bag heat-exchange system forms a battery bag heating circulation system.
As shown in fig. 7, first, compressor 604 discharges the gas of HTHP through overcompression, respectively with Indoor condenser 601 is connected and is connected with the entrance of second flow valve 631, now, goes out from compressor 604 The gas of the HTHP come is divided into two strands：One is condensed in condenser 601 indoors so that room The outlet of inner condenser 601 is the liquid of medium temperature high pressure, the outlet of indoor condenser 601 and first switch valve 630 entrance is connected.Another stock-traders' know-how crosses second flow valve 631 and flows into the first plate type heat exchanger 620, Heat exchange is carried out with the cold water come out from battery bag 622 at first plate type heat exchanger 620, first board-like changes The refrigerant outlet 620b of hot device 620 be medium temperature high pressure liquid refrigerant, the first plate type heat exchanger 620 Refrigerant outlet 620b be connected by the second check valve 632 with the outlet of first switch valve 630.Two The liquid refrigerant of stock medium temperature high pressure converges in the exit of first switch valve 630, and flows into and expand Close the entrance of valve 603.Now expansion switch valve 603 plays expansion valve, is played as restricting element Throttling action, it exports the liquid for low-temp low-pressure.Wherein, the aperture for expanding switch valve 603 can root Certain aperture is given according to actual demand, this aperture can be according to installed in the exit of compressor 604 The number of the temperature acquisition data (i.e. compressor exhaust temperature) of pressure-temperature sensor is adjusted.It is swollen The swollen outlet of switch valve 603 is connected with the entrance of outdoor heat exchanger 605, outside the absorption chamber of outdoor heat exchanger 605 The heat of air, the outlet of outdoor heat exchanger 605 are the gas of low-temp low-pressure.Now, the 5th switch valve 610 Open, the 3rd expansion valve 609 is closed, and the first expansion valve 621 is closed, and refrigerant is without indoor evaporation Device 602 is directly entered in gas-liquid separator 611, and the liquid not being evaporated is divided by gas-liquid separator 611 From the gas of last low-temp low-pressure is returned in compressor 604, is consequently formed a circulation.Also, Under the pattern, the second water pump 624 is closed, and the first water pump 641 is closed, and triple valve 644 powers off.
Pattern seven：Engine low temperature heats circulation pattern.As shown in fig. 6, the cooling from engine 642 The high temperature coolant that liquid exports out goes out by the entrance 644a- second of the triple valve 644 of the first water pump 641 Mouth 644c, the coolant that heat exchange cooling is low temperature is carried out by indoor heater cores 643 and air again, It is back to again in the coolant inlet of engine 642, thus completes a circulation.In this mode, press Contracting machine 604, expansion switch valve 603, the 3rd expansion valve 609, the first expansion valve 621 are all in power-off shape State, the second water pump 624 are closed, and the first water pump 641 is run, the entrance 644a- second of triple valve 644 Outlet 644c leads to, and entrance 644a- second outlets 644b is obstructed.
Pattern eight：Engine mode battery heat cycles pattern.As shown in fig. 6, from engine 642 The high temperature coolant that cooling liquid outlet comes out is by the first water pump 641, the entrance 644a- of triple valve 644 First outlet 644b, the first plate type heat exchanger 620 is flowed to, heat is carried out with the cold water that battery bag 622 comes out Coolant of the cooling for low temperature is exchanged, then is flow back into the coolant inlet of engine 642, is thus completed Engine mode battery heats a circulation.In this mode, compressor 604, expansion switch valve 603, 3rd expansion valve 606, the first expansion valve 621 are run all in off-position, the second water pump 624, the One water pump 641 is run, and the entrance 644a- first outlets 644b of triple valve 644 leads to, entrance 644a- Two outlet 644c are obstructed.
Pattern nine：Engine mode low-temperature heating powers up pond heat cycles pattern.As shown in fig. 6, from hair The high temperature coolant that the cooling liquid outlet of motivation 642 comes out passes through the first water pump 641, in triple valve 644 Punishment stream, all the way by the entrance 644a- first outlets 644b of triple valve 644 to the first plate type heat exchanger 620, carry out coolant of the heat exchange cooling for low temperature, another way warp with the cold water that battery bag 622 comes out The entrance 644a- second outlets 644c for crossing triple valve 644 carries out heat to indoor heater cores 643 and air Coolant of the cooling for low temperature is exchanged, 620d is exported from the engine coolant of the first plate type heat exchanger 620 It flow back into the coolant inlet of engine 642 together again with the refrigerant of indoor heater cores 643 outflow It is interior, thus complete an engine mode low-temperature heating power-up pond heat cycles.In this mode, compress Machine 604, expansion switch valve 603, the 3rd expansion valve 609, the first expansion valve 621 all in off-position, Second water pump 624 is run, and the first water pump 641 is run, the entrance 644a- first outlets of triple valve 644 644b leads to, and entrance 644a- second outlets 644c leads to.
To sum up, automotive thermal tube reason system provided by the invention, except that heat pump type air conditioning system can be utilized to realize In-car cooling in summer and the demand of winter heating, the also function of battery cooling and battery heating.Pass through One plate type heat exchanger, hot friendship can be carried out with battery bag coolant by the refrigerant of heat pump type air conditioning system Change, battery is cooled, heat exchange can be carried out with battery bag coolant by the coolant of engine again, it is right Battery heats, and using the heat exchange between three kinds of media, is suitable under different vehicle conditions to effective profit of the energy With making battery be worked all the time within the scope of suitable temperature, so as to improve the efficiency for charge-discharge of battery, continuous Boat ability and service life.In addition, the present invention both can be real in the case where not changing refrigerant circulation direction The refrigeration of existing automotive air-conditioning system and heating, it is simple in construction so that whole system pipeline arrangement is simple, easily In batch production.
As described above, in the present invention, expansion switch valve is that have expansion valve function and switch valve work(simultaneously Can valve, it is the integrated of switch valve and expansion valve that can be regarded as.It will be provided below a kind of swollen The example embodiment of swollen switch valve.
As shown in figure 8, expansion switch valve mentioned above can include valve body 500, wherein, the valve body On 500 formed with import 501, outlet 502 and connection import 501 and outlet 502 between in Portion's runner, the first valve element 503 and the second valve element 504 are installed on inner flow passage, the first valve element 503 makes Obtain import 501 directly to connect with outlet 502 or disconnect connection, the second valve element 504 causes the He of import 501 Outlet 502 is connected by restriction 505 or disconnects connection.
Wherein, " the directly connection " that the first valve element is realized refers to enter from the import 501 of valve body 500 Cooling agent can cross the first valve element and valve body 500 is insusceptibly flowed directly to by inner flow passage Outlet 502, " the disconnecting connection " that the first valve element is realized refer to enter from the import 501 of valve body 500 Cooling agent 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 from the cold of the entrance of import 501 of valve body 500 But the outlet 502 of valve body 500 is flowed to after the throttling that agent can cross the second valve element and pass through restriction, and " disconnect connection " that second valve element is realized refer to from the cooling agent of the entrance of import 501 of valve body 500 without Method crosses the second valve element and the outlet 502 of valve body 500 can not be flowed to by restriction 505.
So, can be made by the control to the first valve element and the second valve element, expansion switch valve of the invention Obtain the cooling agent entered from import 501 and at least realize three kinds of states.That is, 1) cut-off state；2) cross The direct connected state of first valve element 503；And 3) cross the throttling mode of communicating of the second valve element 504.
Wherein, the liquid refrigerant of HTHP can turn into low temperature again after the throttling of restriction 505 The vaporific hydraulic pressure refrigerant of low pressure, can be that the evaporation of refrigerant create conditions, i.e. restriction 505 Cross-sectional area is less than the cross-sectional area of outlet 504, and by controlling the second valve element, restriction 505 Aperture size can be adjusted, and with flow of the controlling stream through restriction 505, be prevented because of the very few generation of refrigerant Refrigeration deficiency, and prevent from causing compressor generation liquid hit phenomenon because refrigerant is excessive.That is, second The cooperation of 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 on the inner flow passage of same valve body 500 504, it is simple in construction to realize the break-make control of import 501 and outlet 502 and/or throttling control function, It is readily produced and installs, and when expansion switch valve provided by the invention is applied to heat pump, can subtracts The refrigerant charge of few whole heat pump, reduces cost, simplifies pipeline connection, more conducively heat pump system The oil return of system.
As a kind of exemplary inner mounting structure of valve body 500, as shown in Fig. 8 to Figure 13, valve Body 500 includes forming the valve seat 510 of inner flow passage and the first valve casing 511 on the valve seat 510 With the second valve casing 512, the first electromagnetism for driving the first valve element 503 is installed in first valve casing 511 Drive division 521, the second electromagnetic drive for driving the second valve element 504 is installed in second valve casing 512 Portion 522, the inner flow passage that the first valve element 503 is extended in valve seat 510 from the first valve casing 511, second The inner flow passage that 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, power on/off control energy Enough positions for easily controlling the first valve element 503, and then control import 501 directly to be connected with outlet 502 Or disconnect connection；By to the second electromagnetic drive part 522, e.g., magnet coil, power on/off control The position of the second valve element 504 can easily be controlled, so as to control import 501 and outlet 502 whether with Restriction 505 connects.In other words, shared import 501 and outlet 502 have been installed in parallel in valve body 500 Electric expansion valve and magnetic valve, it is thus possible to realize expansion switch valve break-make and/or throttling automation Control, and simplify pipeline trend.
To make full use of the locus of all directions of expansion switch valve, avoid expanding switch valve and difference Pipeline connection produces interference, and valve seat 510 is formed as polyhedral structure, the first valve casing 511, the second valve casing 512nd, 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, import 501 and outlet 502 Opening direction is mutually perpendicular to.So, import, export pipeline can be connected to the difference of polyhedral structure On surface, it can avoid that pipeline arrangement is in disorder, the problem of tangling.
As a kind of typical internal structure of expansion switch valve, as shown in Figs. 8 to 11, inside stream Road includes first flow 506 and the second flow channel 507 connected respectively with import 501, first flow 506 On formed formed with the first valve port 516 coordinated with the first valve element 503, restriction 505 in second flow channel On 507 be formed as with the second valve element 504 coordinate the second valve port 517, first flow 506 and second Runner 507 is intersected in the downstream of the second valve port 517 and connected with outlet 502.
That is, 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, by converting the second valve Blocking or turning on to the second valve port 517 is realized in the position of core 504, so as to realize electronic expansion The throttling function of valve.
First flow 506 and second flow channel 507 can be respectively communicated with import with any appropriate arrangement 501 and outlet 502, for reduce valve body 500 overall space-consuming, as shown in figure 12, second flow channel 507 open up in the same direction with outlet 502, and first flow 506 is formed as orthogonal with second flow channel 507 First through hole 526, import 501 by the second through hole 527 for being opened in the side wall of second flow channel 507 with Second flow channel 507 is connected, 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, this hair It is bright that this is not restricted, belong among protection scope of the present invention.
For the further overall space-consuming for simplifying valve body 500, as shown in Figure 15 to Figure 16, import 501 It is opened in mutual vertically on valve body 500 with outlet 502.So, as shown in Figure 15 to Figure 17, enter The axis of mouth 501, the axis (i.e. the axis of second flow channel 507) for exporting 502, and first flow 506 Axis it is vertically arranged two-by-two in space, so as to prevent the shifting of the first valve element 503 and the second valve element 504 Movable property life interference, and can maximumlly utilize the inner space of valve body 500.
As is illustrated by figs. 11 and 12, for ease of realizing the closing of the first valve port 516 and opening, the first valve Core 503 is along moving direction with the coaxial laying of the first valve port 516 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 and Two valve ports 517 are coaxially laid selectively to block or depart from the second valve port 517.
Wherein, as shown in figure 14, first flow 506 is blocked for the first valve element 503 of guarantee reliable Property, the first valve element 503 can include the first valve rod 513 and be connected to the of the end of the first valve rod 513 One plug 523, first plug 523 are used to be sealed against on the end face of the first valve port 516 to block First flow 506.
The aperture size of the restriction 505 of switch valve is expanded for ease of regulation, as is illustrated by figs. 11 and 12, Second valve element 504 includes the second valve rod 514, and the end of second valve rod 514 is formed as taper header structure, Second valve port 517 is formed as the taper pore structure being engaged with the taper header structure.
Wherein, the aperture of restriction 505 for expanding switch valve can moving up and down by the second valve element 504 To adjust, 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 11, the second valve element 504 is in Extreme lower position, the second valve element 504 block the second valve port 517, refrigerant completely can not by restriction 505, That is the second valve port 517；If expansion switch valve restriction 505 has aperture, as shown in figure 12, the second valve There is space between the taper header structure and restriction 505 of the end of core 504, flowed again after refrigerant throttling To outlet 502.If desired, can be by controlling the second electromagnetism during the throttle opening of increase expansion switch valve Drive division 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；On the contrary, when the restriction 505 for needing reduction expansion switch valve Aperture when, can drive under the phase of the second valve element 504 mobile.
In use, when only needing to use the magnetic valve function of expansion switch valve, such as Figure 11, Tu14He Shown in Figure 17, the first valve element 503 departs from the first valve port 516, and the first valve port 516 is in open mode, Second valve element 504 is in extreme lower position, and the second valve element 504 blocks throttle orifice 505, from import 501 The first valve port can not can only be passed sequentially through by throttle orifice 505 completely by flowing into the refrigerant of inner flow passage 516th, first through hole 526 is flowed into outlet 502.When magnetic valve powers off, the first valve element 503 is to the left Mobile, the first plug 523 and the first valve port 516 separate, and refrigerant can lead to from first through hole 526 Cross；Work as solenoid valves, the first valve element 503 moves right, the first plug 523 and the first valve port 516 Fitting, refrigerant can not pass through from first through hole 526.
It should be noted that the dotted line with the arrow in Figure 11 and Figure 13 represents refrigerant using electromagnetism Flow route and trend during valve function.
When only needing to use the electric expansion valve function of expansion switch valve, as shown in Figure 12 and Figure 18, Second valve port 517, i.e. restriction 505 are in open mode, and the first valve element 503 blocks the first valve port 516, The refrigerant of inner flow passage is flowed into from import 501 can only be passed sequentially through by first through hole 526 Second through hole 527, restriction 505 are flowed into outlet 502, and can move up and down the second valve element 504 adjust the size of the aperture of restriction 505.
It should be noted that the dotted line with the arrow in Figure 12 and Figure 18 represents refrigerant using electronics Flow route and trend during expansion valve function.
When need simultaneously using expansion switch valve magnetic valve function and electric expansion valve function when, as Fig. 9, Shown in Figure 15 and Figure 16, 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, and the first valve port 516 is in open mode, restriction 505 In open mode, the refrigerant for flowing into inner flow passage can be respectively along first flow 506 and second The flow direction outlet of road 507 502, 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 And be not intended to limit the invention, other have the expansion of expansion valve function and switch valve function switch simultaneously Valve is equally applicable to the present invention.
The present invention also provides a kind of electric automobile, including according to above-mentioned heat pump air conditioner system provided by the invention System.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, it is still, of the invention and unlimited Detail in above-mentioned embodiment, can be to the present invention in the range of the technology design of the present invention Technical scheme carry out a variety of simple variants, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique described in above-mentioned embodiment is special Sign, in the case of reconcilable, can be combined by any suitable means.In order to avoid need not The repetition wanted, the present invention no longer separately illustrate to various combinations of possible ways.
In addition, various embodiments of the present invention can be combined randomly, as long as its Without prejudice to the thought of the present invention, it should equally be considered as content disclosed in this invention.

Claims (20)

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), engine-cooling system and the first plate Formula heat exchanger (620), the heat pump type air conditioning system and the engine-cooling system pass through described respectively One plate type heat exchanger (620) exchanges heat with the battery bag heat-exchange system, and the heat pump type air conditioning system includes Compressor (604), indoor condenser (601), indoor evaporator (602) and outdoor heat exchanger (605), The outlet of the compressor (604) connects with the entrance of the indoor condenser (601), the interior The outlet of condenser (601) connects with the entrance of the first switch valve (630), the first switch Changed via first throttle branch road or the first through-flow branch road with the outdoor egress selection of valve (630) Hot device (605) entrance connection, the egress selection of the outdoor heat exchanger (605) via second Through-flow branch road connects with the entrance of the compressor (604) or via the second throttling branch road and the interior The entrance connection of evaporator (602), outlet and the compressor (604) of the indoor evaporator (602) Entrance connection, the refrigerant inlet (620a) of first plate type heat exchanger (620) is via selection Property on or off battery cooling branch road and the outdoor heat exchanger (605) outlet or with institute The entrance connection of indoor evaporator (602) is stated, and is heated via the battery of selective on or off The outlet of branch road and the compressor (604), the refrigeration of first plate type heat exchanger (620) Agent exports the battery cooling for reflux branch road and the compressor of (620b) via selective on or off (604) entrance connection, and it is heated to reflux branch road and the first switch valve (630) via battery Outlet.
2. automotive thermal tube according to claim 1 manages system, it is characterised in that the engine Cooling system includes the first water pump (641), engine (642), indoor heater cores (643) and three Port valve (644), the outlet of first water pump (641) and the entrance (644a) of the triple valve (644) Connection, two outlets (644b, 644c) of the triple valve (644) are board-like with described first respectively The engine coolant entrance (620c) of heat exchanger (620) and the indoor heater cores (643) Entrance connects, the outlet of the indoor heater cores (643) and first plate type heat exchanger (620) Engine coolant outlet (620d) coolant inlet with the engine (642) connect, The cooling liquid outlet of the engine (642) connects with the entrance of first water pump (641).
3. automotive thermal tube according to claim 1 manages system, it is characterised in that first plate The refrigerant inlet (620a) of formula heat exchanger (620) via selective on or off the battery The outlet of branch road and the outdoor heat exchanger (605) is cooled down, is set on the battery cooling branch road There is the first expansion valve (621).
4. automotive thermal tube according to claim 1 manages system, it is characterised in that the automobile heat Management system also includes second switch valve (626), and the second throttling branch road is via the second switch valve (626) entrance with the indoor evaporator (602) connects, first plate type heat exchanger (620) Refrigerant inlet (620a) via selective on or off battery cooling branch road opened with described second The entrance connection of valve (626) is closed, and first flow valve is provided with battery cooling branch road (627)。
5. automotive thermal tube according to claim 1 manages system, it is characterised in that in the battery The 3rd switch valve (633) is provided with cooling for reflux branch road.
6. automotive thermal tube according to claim 1 manages system, it is characterised in that in the battery The first check valve (628) is provided with cooling for reflux branch road.
7. automotive thermal tube according to claim 1 manages system, it is characterised in that in the battery Second flow valve (631) is provided with heating branch road.
8. 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 second check valve (632) on branch road.
9. automotive thermal tube according to claim 1 manages system, it is characterised in that first plate Formula heat exchanger (620) is connected in the coolant circuit of the battery bag heat-exchange system, and described cold But be additionally provided with liquid loop connected with first plate type heat exchanger (620) the second water pump (624), Deputy tank (625) and battery bag (622).
10. automotive thermal tube according to claim 1 manages system, it is characterised in that described first is logical The 4th switch valve (608) is provided with stream branch road, the second expansion valve is provided with the first throttle branch road (607)。
11. automotive thermal tube according to claim 1 manages system, it is characterised in that the heat pump is empty Adjusting system also includes expansion switch valve (603), entrance and the interior of the expansion switch valve (603) The outlet of condenser (601), outlet and the outdoor heat exchanger of the expansion switch valve (603) (605) entrance connection, the first throttle branch road are the throttling stream for expanding switch valve (603) Road, the first through-flow branch road are the through-flow runner for expanding switch valve (603).
12. automotive thermal tube according to claim 1 manages system, it is characterised in that described second is logical The 5th switch valve (610) is provided with stream branch road, the 3rd expansion valve is provided with the second throttling branch road (609)。
13. 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 3rd check valve (615) and the compressor (604) It is logical.
14. automotive thermal tube according to claim 1 manages system, it is characterised in that the heat pump is empty Adjusting system is applied to electric automobile, and the second plate type heat exchanger is additionally provided with the second through-flow branch road (612), second plate type heat exchanger (612) while it is arranged on the motor cooling system of the electric automobile In system.
15. automotive thermal tube according to claim 14 manages system, it is characterised in that described second The 5th switch valve (610), the refrigeration of second plate type heat exchanger (612) are provided with through-flow branch road The outlet of agent entrance (612a) and the outdoor heat exchanger (605), second plate-type heat-exchange The refrigerant outlet (612b) of device (612) connects with the entrance of the 5th switch valve (610).
16. automotive thermal tube according to claim 14 manages system, it is characterised in that the motor Cooling system includes connecting to form the motor in loop, motor with second plate type heat exchanger (612) Radiator (613) and the 3rd water pump (614).
17. 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 gas of the indoor evaporator (602) The entrance connection of liquid/gas separator (611), the outlet of the outdoor heat exchanger (605) is via described second Through-flow branch road connects with the entrance of the gas-liquid separator (611), first plate type heat exchanger (620) Refrigerant outlet (620b) via battery cooling for reflux branch road and the gas-liquid separator (611) Entrance connects, and the outlet of the gas-liquid separator (611) connects with the entrance of the compressor (604).
18. 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) flows through described for heating The wind of indoor condenser (601).
19. automotive thermal tube according to claim 18 manages system, it is characterised in that the PTC Heater (619) is arranged on the windward side or leeward side of the indoor condenser (601).
20. a kind of electric automobile, it is characterised in that including according to any one in claim 1-19 Described heat pump type air conditioning system.
CN201610307387.4A 2016-05-10 2016-05-10 Automobile thermal management system and electric automobile Active CN107351627B (en)

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CN109733182A (en) * 2018-12-29 2019-05-10 宁波吉利罗佑发动机零部件有限公司 A kind of heat management system of extended-range electric vehicle
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CN113246801A (en) * 2021-05-12 2021-08-13 中国第一汽车股份有限公司 Whole-vehicle thermal management system of fuel cell vehicle
CN114435115A (en) * 2020-11-06 2022-05-06 上海汽车集团股份有限公司 Hybrid electric vehicle and thermal management system thereof
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CN109921142A (en) * 2017-12-13 2019-06-21 南京农业大学 A kind of temperature control system of the mixed electrical automobile battery with integrated function plate
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