WO2019062969A1 - Dispositif de charge de véhicule, et véhicule - Google Patents

Dispositif de charge de véhicule, et véhicule Download PDF

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Publication number
WO2019062969A1
WO2019062969A1 PCT/CN2018/108803 CN2018108803W WO2019062969A1 WO 2019062969 A1 WO2019062969 A1 WO 2019062969A1 CN 2018108803 W CN2018108803 W CN 2018108803W WO 2019062969 A1 WO2019062969 A1 WO 2019062969A1
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WO
WIPO (PCT)
Prior art keywords
cooling
charging
terminal
harness
charging device
Prior art date
Application number
PCT/CN2018/108803
Other languages
English (en)
Chinese (zh)
Inventor
邢骁
徐斌
尹浩
马爱国
王洪军
Original Assignee
比亚迪股份有限公司
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Filing date
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Application filed by 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Publication of WO2019062969A1 publication Critical patent/WO2019062969A1/fr

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Classifications

    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • 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
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the present disclosure relates to the field of vehicle charging technology, and in particular to a charging device for a vehicle and a vehicle having the same.
  • the present disclosure aims to solve at least one of the technical problems in the related art to some extent.
  • Another object of the present disclosure is to propose a vehicle.
  • a charging device for a vehicle comprising: a housing; a terminal, the terminal is disposed in the housing; a charging harness, the charging harness is connected to the terminal; and an air conditioning cooling system including a compressor connected in series a condenser, a valve body, and an evaporator; further comprising a cooling conduit for cooling at least one of the housing, the terminal, and the charging harness, the cooling conduit constituting evaporation of the air conditioning cooling system At least part of the device.
  • the air conditioning cooling system can effectively remove the heat of at least one of the housing, the charging harness and the connecting terminal, thereby effectively reducing the temperature of at least one of the terminal, the housing and the charging harness, and avoiding the problem of overheating of the terminal.
  • the cooling line includes a first cooling line having a flow path formed thereon to form a first cooling line.
  • the first cooling line is disposed adjacent to the terminal.
  • the cooling circuit further includes: a second cooling line, the second cooling line being sleeved on the charging harness.
  • a connecting pipe is connected between the condenser and the second cooling pipe and between the second cooling pipe and the compressor, and the connecting pipe is connected
  • the diameter is smaller than the diameter of the cooling line.
  • the charging device further includes: a controller for detecting a temperature of the charging harness, and a temperature sensor, the controller separately electrically connecting the temperature sensor and the compressor The connection controls the operation of the compressor when a temperature value detected by the temperature sensor reaches a predetermined value.
  • the terminal cooling system does not include an evaporator.
  • a vehicle includes the charging device of the vehicle.
  • FIG. 1 is a schematic view of a charging device according to a first embodiment of the present disclosure
  • FIG. 2 is a schematic view of a first cooling line of a charging device at a terminal according to a first embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of a charging device according to a second embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram of a charging device according to a third embodiment of the present disclosure.
  • FIG. 5 is a schematic view of the terminal of the charging device shown in Figure 4.
  • FIG. 6 is a schematic diagram of a charging device according to a fourth embodiment of the present disclosure.
  • FIG. 7 is a schematic diagram of a charging device according to a fifth embodiment of the present disclosure.
  • FIG. 8 is a schematic diagram of a charging connector, a cooling compartment, and an evaporator of a charging device in accordance with an embodiment of the present disclosure
  • FIG. 9 is a cross-sectional view of a cooling compartment of a charging device in accordance with an embodiment of the present disclosure.
  • FIG. 10 is a schematic diagram of a charging connector of a charging device according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic diagram of a vehicle in accordance with an embodiment of the present disclosure.
  • a charging device 100 of a vehicle 1000 which is applied to a vehicle 1000, and which can be connected to a power battery 80 so that the power battery 80 can be charged, will be described in detail with reference to the accompanying drawings.
  • a charging apparatus 100 may include a charging connector 10 and an air conditioning cooling system, wherein the charging connector 10 includes a housing 14, a terminal 11 and a charging harness 12, and a terminal 11 Inside the housing 14, the housing 14 can function to protect and secure the terminal block 11.
  • the number of the terminals 11 may be plural, and the plurality of terminals 11 are provided in pairs. For example, as shown in FIGS. 2 and 5, the number of the terminals 11 may be two.
  • the charging harness 12 is connected to the terminal 11 which may include a positive terminal and a negative terminal for transmitting current. This terminal 11 is suitable for a DC charging port.
  • the charging port of the AC charging port is also in pairs, and may be multiple.
  • the principle is the same as above, and the application can still be implemented.
  • the terminal cooling system 20 can be used to cool the charging connector 10. It will be understood that the terminal 11 will generate heat when the charging connector 10 is in operation, and the terminal cooling system 20 can effectively remove the heat generated by the terminal 11. And the terminal cooling system 20 belongs to a loop in the circulation path of the air conditioning cooling system, so that the heat generated by the terminal 11 can be continuously taken away, thereby ensuring that the temperature of the terminal 11 is maintained within an appropriate range, which can effectively avoid The problem of overheating of the terminal 11 occurs, and the charging safety of the vehicle 1000 can be ensured.
  • terminal cooling system 20 is arranged in various forms, and the cooling member has various options, which are described below with reference to the drawings.
  • the air conditioning cooling system includes: a cooling module terminal cooling system 20 for cooling the terminal 11 and a battery pack cooling system 60 for cooling the battery or high voltage electric appliance of the electric vehicle 1000, the charging device 100
  • the pipelines may be provided in two.
  • the two pipelines are respectively a first cooling pipeline 24 and a second cooling pipeline 50.
  • the first cooling pipeline 24 is used for cooling the terminal block 11, and the terminal 11 is provided with a jacket or A flow path spaced apart from the wire of the terminal 11 is formed in the terminal 11 to form a first cooling line 24; and a second cooling line 50 is used to cool the charging harness 12.
  • the terminal cooling system 20 is coupled to one of the first cooling line 24 and the second cooling line 50 and the battery pack cooling system 60 of the battery or electric high voltage appliance of the electric vehicle 1000 and the first cooling line 24 and the second cooling
  • the other of the lines 50 is connected to supply cooling liquid to the first cooling line 24 and the second cooling line 50.
  • terminal cooling system 20 is connected to the first cooling line 24 and the battery of the electric vehicle 1000 or the battery pack cooling system 60 of the high voltage electric appliance is connected to the second cooling line 50 as an example.
  • the terminal cooling system 20 includes a compressor 21, a condenser 22, a valve body and an evaporator 23, and a compressor 21, a condenser 22, a valve body and an evaporator 23 are arranged in series, and the first cooling pipe is provided.
  • the path 24 is disposed within the charging connector 10 and the first cooling line 24 is coupled to the evaporator 23. That is, the first cooling line 24 is disposed at the charging connector 10, and then the first cooling line 24 participates in the circulation of the refrigerant, so that the low-temperature refrigerant located in the first cooling line 24 can effectively connect with the charging connector.
  • the heat exchange is performed to ensure the operational reliability of the charging connector 10.
  • the first cooling line 24 can be in series with the evaporator 23.
  • the refrigerant passing through the evaporator 23 can continue to flow through the first cooling line 24, and is in the first cooling line 24 at the charging connection 10 for heat exchange, so that the heat of the charging connector 10 can be taken away.
  • the first cooling line 24 is in parallel with at least a portion of the lines of the evaporator 23. That is, the first cooling line 24 and at least a portion of the lines of the evaporator 23 are in parallel such that the first cooling line 24 can better reduce the operating temperature of the charging connector 10. Moreover, the first cooling line 24 may be connected in parallel with a part of the line of the evaporator 23 or in parallel with the entire evaporator 23.
  • At least a portion of the evaporator 23 constitutes the first cooling line 24 such that the first cooling line 24 can better reduce the operating temperature of the charging connector 10.
  • the first cooling line 24 is disposed adjacent to the terminal block 11. Thereby, the first cooling line 24 can directly exchange heat with the terminal 11 so that the heat generated by the terminal 11 can be directly taken away, thereby effectively reducing the operating temperature of the charging connector 10.
  • the first cooling line 24 passes through the terminal block 11.
  • the number of terminals 11 may be two, and the first cooling duct 24 extends through one side of the housing 14 into the interior of the housing 14, and then passes laterally through the two terminals 11, and then from the housing 14 One side is extended, so that the first cooling line 24 can directly contact the terminal block 11, and the heat of the terminal 11 can be effectively taken away, and the first cooling line 24 thus disposed is simple in structure.
  • the first cooling line 24 may be sleeved on the terminal block 11.
  • the contact area between the first cooling line 24 and the terminal 11 can be effectively increased, so that the operating temperature of the terminal 11 can be better reduced.
  • the number of the terminals 11 is two, and the first cooling line 24 is bent to set the two terminals 11. That is to say, a first cooling line 24 can be sleeved on the two terminals 11 at the same time, so that a first cooling line 24 can be omitted, and the first cooling line 24 can be arranged in a simple manner, and the two terminals 11 are arranged. Uniform heat transfer.
  • the air conditioning cooling system includes a terminal cooling system 20 and a battery pack cooling system 60, and the cooling circuit is disposed at the housing 14, the terminal 11 and At least one of the charging harnesses 12 is on. That is, the cooling line can selectively cool at least one of the housing 14, the terminal 11 and the charging harness 12, which can also effectively reduce the operating temperature of the charging connector 10.
  • the terminal cooling system 20 may not include the evaporator 23, so that the terminal cooling system 20 may omit the evaporator 23, thereby simplifying the structure of the terminal cooling system 20, and reducing the terminal cooling system 20 the cost of.
  • At least one cooling line of the terminal 11 and the charging harness 12 constitutes all of the evaporator 23 of the air conditioning cooling system.
  • the cooling circuit of at least one of the terminal 11 and the charging harness 12 to constitute the evaporator 23 of the air conditioning cooling system means that, in some embodiments, the evaporator 23 may not be provided, but through the terminal.
  • the cooling line of at least one of the charging harness 12 and the charging harness 12 is formed as an evaporator 23, that is, the terminal cooling system 20 may not include the evaporator 20.
  • the cooling circuit is disposed on the housing 14 to sufficiently exchange heat with the housing 14, and thus the lower temperature housing 14 exchanges heat with the higher temperature terminal 11 to lower the terminal 11
  • the cooling circuit is disposed inside the casing 14 to be disposed opposite to the charging harness 12, or the charging harness 12 is jacketed with a cooling conduit, so that the cooling conduit sufficiently exchanges heat with the charging harness 12, Further, the lower temperature charging harness 12 exchanges heat with the higher temperature terminal 11 to reduce the heat of the terminal 11; in still other embodiments, the cooling line is directly disposed opposite the terminal 11 or the terminal 11 At least part of the upper sleeve is provided with a cooling pipe, so that the cooling pipe directly dissipates the terminal 11 .
  • the cooling circuit may also be disposed on the housing 14 at the same time, and at least partially through the housing 14 and sleeved on the terminal 11; or the cooling line is simultaneously disposed on the housing 14, and at least Partially passes through the housing 14 and sleeved on the charging harness 12; or the cooling line is simultaneously sleeved on the terminal 11 and the charging harness 12.
  • the cooling circuit is at least partially disposed on the housing 14, and a portion of the cooling lines passing through the housing 14 are respectively sleeved on the charging harness 12 and the terminal block 11, or respectively with the charging harness 12 and the wiring.
  • the terminals 11 are oppositely arranged.
  • one, two or three of the housing 14, the terminal 11 and the charging harness 12 can be cooled to effectively lower the temperature of the terminal 11 and prevent the terminal 11 from being overheated.
  • the housing 14 is provided with a flow path to form a first cooling line 24.
  • the housing 14 can function to protect the first cooling line 24, and the first cooling line 24 can effectively exchange heat with the terminal 11 in the housing 14, so that the heat of the terminal 11 can be better taken away. The operating temperature of the terminal 11 is effectively reduced.
  • the flow path formed on the casing 14 is a passage through which the coolant flows.
  • the first cooling line 24 passes through the terminal block 11.
  • the number of terminals 11 may be two, and the first cooling duct 24 extends through one side of the housing 14 into the interior of the housing 14, and then passes laterally through the two terminals 11, and then from the housing 14 One side is extended, so that the first cooling line 24 can directly contact the terminal block 11, and the heat of the terminal 11 can be effectively taken away, and the first cooling line 24 thus disposed is simple in structure.
  • the first cooling line 24 can be sleeved on the terminal block 11.
  • the contact area between the first cooling line 24 and the terminal 11 can be effectively increased, so that the operating temperature of the terminal 11 can be better reduced.
  • the number of the terminals 11 is two, and the first cooling line 24 is bent to set the two terminals 11. That is to say, a first cooling line 24 can be sleeved on the two terminals 11 at the same time, so that a first cooling line 24 can be omitted, and the first cooling line 24 can be arranged in a simple manner, and the two terminals 11 are arranged. Uniform heat transfer.
  • the cooling line may further include: a second cooling line 50, and the second cooling line 50 is sleeved on the charging harness 12.
  • the second cooling duct 50 can be used to cool the charging harness 12, so that the temperature of the charging harness 12 can be effectively reduced, and the operating temperature of the terminal 11 can be lowered.
  • a connecting line is connected between the condenser 22 and the second cooling line 50 and between the second cooling line 50 and the compressor 21, and the diameter of the connecting line is smaller than the diameter of the cooling line.
  • the compressor 21 compresses the gaseous refrigerant into a high-temperature and high-pressure gaseous refrigerant, and then sends it to the condenser 22 to become a normal-temperature high-pressure liquid refrigerant, and then the space suddenly increases after the connection line is entered, the pressure is reduced, and the liquid refrigerant is vaporized. It becomes a gaseous low-temperature refrigerant, thereby absorbing a large amount of heat, and a large amount of heat comes from the charging harness 12.
  • the diameter of the first cooling line 24 is also larger than the diameter of the connecting line.
  • first cooling line 24 and the second cooling line 50 may be connected in series. As shown in FIG. 3, the first cooling line 24 and the second cooling line 50 may be connected in parallel.
  • the air conditioning cooling system may include: a cooling system employing cooling water, for example, a battery pack of the electric vehicle 1000 or a battery pack cooling system 60 of the high voltage appliance, the battery pack cooling system 60 and the second cooling The line 50 is connected, and both of the above embodiments describe a system using a refrigerant.
  • the battery pack cooling system 60 of the electric vehicle 1000 or the high-voltage electric appliance may include: a liquid storage tank 30, a pump body 40, the pump body 40 is connected to the liquid storage tank 30, and the second cooling circuit 50 is sleeved on the charging harness 12, Further, the second cooling line 50 is also connected to the pump body 40 and the reservoir 30.
  • the second cooling duct 50 no longer passes through the refrigerant, but passes through the cooling water, and is connected to the reservoir 30 and the pump body 40.
  • the pump body 40 starts to operate, and the cooling in the reservoir 30 is pumped into the second cooling line 50, so that the second cooling line 50 can be cooled on the outside of the charging harness 12 to charge the wiring harness. 12, thereby making it possible to better lower the operating temperature of the charging harness 12.
  • the second cooling line 50 can also be used to cool the terminal 11 and/or the housing 14 , that is, the second cooling line 50 can be used for the terminal 11 , the charging line 12 and the housing. At least one of 14. The following description continues with the second cooling duct 50 cooling the charging harness as an example.
  • the pump body 40 can also pump the cooling in the second cooling line 50 into the liquid storage tank 30, so that the cooling water in the second cooling line 50 can be prevented from leaking, thereby ensuring that the cooling water can be prevented from leaking in the second cooling line 50.
  • the reliability of use of the charging device 100 is not limited.
  • one end of the charging harness 12 is connected with a power battery 80, and the other end of the charging harness 12 is connected with a charging connector 10, and an inlet of the second cooling duct 50 is disposed near the charging connector 10.
  • the second cooling duct 50 thus disposed can also lower the operating temperature of the charging connector 10 while effectively reducing the temperature of the charging harness 12.
  • the outer surface of the charging harness 12 is provided with a waterproof layer.
  • the waterproof layer is arranged to prevent the cooling water from leaking into the interior of the charging harness 12, which ensures the safety of the charging harness 12 and avoids a safety accident.
  • the two ends of the second cooling duct 50 are provided with a sealing sleeve 51, and the sealing sleeve 51 is sleeved on the charging harness 12. Since the second cooling duct 50 is sleeved on the charging harness 12, by providing the sealing sleeve 51 at both ends thereof, it is possible to effectively prevent the coolant from leaking from both ends of the second cooling duct 50, thereby ensuring the second cooling duct.
  • the sealing property of 50 can ensure the safety of use of the charging device 100.
  • the battery pack cooling system 60 of the battery of the electric vehicle 1000 or the high-voltage electric appliance may include: a drive motor 62 and a motor controller 61.
  • the drive motor 62 and the motor controller 61 are provided with a connecting line.
  • the connecting line, the pump body 40 and the reservoir 30 are connected in series. That is, the cooling water can flow through the connecting line through the drive motor 62 and the motor controller 61, so that the cooling water can effectively take away the heat at the drive motor 62 and the motor controller 61.
  • the cooling functions of the drive motor 62, the motor controller 61, and the charging harness 12 are all controlled and provided by the pump body 40 and the reservoir 30, so that the air conditioning cooling system can be effectively simplified.
  • the charging device 100 may further include a cooling fan 90 disposed adjacent to the pump body 40.
  • the cooling fan 90 can effectively enhance the heat exchange capacity of the cooling water with the external environment, so that the charging harness 12, the driving motor 62, and the motor controller 61 can be supplied with low-temperature cooling water.
  • the charging device 100 further includes a control valve (not shown) disposed between the pump body 40 and the second cooling line 50.
  • the control valve can be used to shut off the pump body 40 and the second cooling line 50 such that after the second cooling line 50 is filled with the cooling water, the control valve is closed, so that the second cooling line 50 can be kept full and charged. After the end, the control valve is opened to allow the pump body 40 to draw the cooling water in the second cooling line 50. After the pumping is completed, the control valve is closed.
  • the control valve may be two, and two control valves may be respectively disposed at the inlet and outlet of the second cooling line 50.
  • the charging device 100 may further include: a controller for detecting the temperature of the charging harness 12, and a temperature sensor electrically connected to the temperature sensor and the control valve to detect the temperature at the temperature sensor.
  • a controller for detecting the temperature of the charging harness 12
  • a temperature sensor electrically connected to the temperature sensor and the control valve to detect the temperature at the temperature sensor.
  • the pump body 40 is controlled to operate and the control valve is opened.
  • the control valve and the pump body 40 can be operated synchronously. For example, when the pump body 40 is in operation, the control valve is opened, and when the pump body 40 is stopped, the control valve is closed. This ensures the operational reliability of the air conditioning cooling system.
  • thermosensors there are a plurality of temperature sensors, and a plurality of temperature sensors are spaced apart in the longitudinal direction of the charging harness 12.
  • the setting of multiple temperature sensors can help improve the control accuracy of the controller.
  • the controller may also be electrically connected to the compressor 21 to control the operation of the compressor 21 when the temperature value detected by the temperature sensor reaches a predetermined value.
  • the terminal cooling system 20 can be reasonably controlled, so that the operation of the terminal cooling system 20 can be controlled in a timely manner, so that the operating temperature of the charging connector 10 can be ensured.
  • the air conditioning cooling system includes: a terminal cooling system 20, and the charging device 100 may further include: a cooling compartment 70 on which the charging connector 10 is mounted, That is, the cooling compartment 70 can function to mount the charging connector 10.
  • the terminal cooling system 20 may include: a compressor 21 connected in series, a condenser 22, a valve body, and an evaporator 23, that is, the compressor 21, the condenser 22, the valve body and the evaporator 23 are connected in series, and the cooling compartment 70 A flow passage is provided on the bulkhead, and the flow passage is configured as at least a portion of the evaporator 23. It will also be appreciated that both the flow path and evaporator 23 are disposed within the cooling compartment 70 and the evaporator 23 is coupled to the cooling compartment 70 by a flow passage.
  • the evaporator 23 disposed in the cooling compartment 70 can exchange heat with the charging connector 10 at the cooling compartment 70, and the cooling compartment 70 thus provided can ensure the rationality of the arrangement of the evaporator 23 and the charging connector 10, and The operating temperature of the charging connector 10 can be effectively reduced, and the problem of overheating of the terminal 11 can be avoided.
  • the cooling compartment 70 includes a front mount 71 and a rear mount 72, and an evaporator 23 is disposed between the front mount 71 and the rear mount 72.
  • the evaporator 23 boils the low-temperature low-pressure refrigerant vapor coming from the capillary 27 to absorb heat and become a dry-saturated vapor of the low-temperature low-pressure refrigerant.
  • the front mount 71 is connected to the rear mount 72, and the front mount 71 and the rear mount 72 are provided with mounting holes for mounting the charging connector 10. Further, the flow path is disposed in the rear mount 72, and the liquid inlet and the liquid outlet of the flow passage penetrate the rear mount 72.
  • the charging connector 10 can be mounted on the front fixing seat 71 and the rear fixing seat 72 at the same time, so that the mounting reliability of the charging connector 10 can be ensured on the one hand, and a part of the charging connector 10 can be cooled on the other hand.
  • the interior of the compartment 70, so that the charging connector 10 can be wrapped by the cold air in the cooling compartment 70, can enhance the heat exchange effect of the evaporator 23 and the charging connector 10, thereby further reducing the operating temperature of the charging connector 10.
  • the charging device 100 may further include an air cooling passage 73 communicating with the cooling compartment 70, a charging hole provided in the charging connector 10, and the cooling compartment 70 communicating with the ventilation hole. Among them, cold air can flow into the cooling compartment 70 through the air cooling passage 73, and then the cold air flowing into the cooling compartment 70 contacts the charging connector 10 through the vent hole, so that the cooling of the charging connector 10 can be achieved.
  • the terminal cooling system 20 may further include: a blower 25 disposed in the air-cooling passage 73, the outlet of the air-cooling passage 73 and The cooling compartment 70 is in communication.
  • the air blowing member 25 can supply air to the cooling compartment 70.
  • the arrangement of the air supply member 25 can increase the heat exchange efficiency of the evaporator 23 and the charging connector 10, so that the speed of lowering the temperature of the charging connector 10 can be accelerated, and the charging connector 10 can be maintained within a suitable operating temperature range.
  • the blower 25 can be an axial fan.
  • the axial flow fan can facilitate the air supply to the interior of the cooling compartment 70, and the axial flow fan has a simple structure.
  • the front mount 71 includes a bottom wall 71a and a peripheral wall 71b.
  • the charging connector 10 is fixed to the bottom wall 71a, and the peripheral wall 71b is provided with an air outlet 71c. That is, the cold air blown into the cooling compartment 70 by the air blowing member 25 can be blown out from the air outlet 71c, so that the cold air blown out can be brought into contact with the charging connector 10 again, so that the heat of the charging connector 10 can be better taken away.
  • the charging connector 10 may include a housing 14 and a terminal 11 fixed in the housing 14, and a vent hole 15 is formed in an inner circumference of the housing 14. Therefore, when the charging connector 10 is docked with the charging gun, the cold air enters the cooling compartment 70 through the air inlet 71d, and then the cold air flows out from the air outlet 71c, and then the cold air blown from the air outlet 71c can flow through the air vent 15 to connect the charging.
  • the piece 10 is wrapped so that the cold air can not only cool the charging connector 10, but also cool the charging gun, so that the operating temperature of the charging connector 10 can be better reduced.
  • the vent holes 15 may be plural, and the plurality of vent holes 15 are circumferentially distributed in the inner circumference of the casing 14.
  • the plurality of vent holes 15 thus arranged can make the housing 14 have a reasonable layout, and can ensure that cold air flows in the circumferential direction of the terminal block 11, so that the heat exchange effect at the charging connector 10 can be improved.
  • the charging device 100 may further include: a controller for detecting the temperature of the charging connector 10, a charging sensor for electrically connecting the controller, and a temperature sensor for charging
  • the state detecting module detects that the air blowing member 25 operates when the vehicle 1000 is charging, and is adapted to control the operation of the compressor 21 when the temperature value detected by the temperature sensor is greater than a predetermined value. That is to say, the air blowing member 25 and the compressor 21 can operate at different times. For example, when the temperature is low and the charging connector 10 is just beginning to be charged, the air blowing member 25 starts to operate, and the charging connector 10 can be supplied with a certain flow rate.
  • the normal temperature wind can slow down the operating temperature of the charging connector 10, and when the temperature of the charging connector 10 rises to a predetermined temperature, the compressor 21 starts to work again, and the evaporator 23 first exchanges heat with the air, and the air is recharged.
  • the connector 10 exchanges heat so that the operating temperature of the charging connector 10 can be quickly reduced.
  • the charging device 100 may further include: a controller for detecting the temperature of the charging connector 10, a charging sensor for electrically connecting the controller, and a temperature sensor for charging
  • the state detecting module detects that the air blowing member 25 operates when the vehicle 1000 is charging, and is adapted to control the operation of the compressor 21 when the temperature value detected by the temperature sensor is greater than a predetermined value. That is to say, the air blowing member 25 and the compressor 21 can operate at different times. For example, when the temperature is low and the charging connector 10 is just beginning to be charged, the air blowing member 25 starts to operate, and the charging connector 10 can be supplied with a certain flow rate.
  • the cold air can ensure the operating temperature of the charging connector 10, and when the temperature of the charging connector 10 rises to a predetermined temperature, the compressor 21 starts to work again, and the refrigerant in the evaporator 23 and the charging connector 10 exchange heat again. Thereby, the operating temperature of the charging connector 10 can be quickly lowered.
  • terminal cooling system 20 of the above various embodiments can be combined with each other without interference.
  • the terminal cooling system 20 and the battery pack cooling system 60 of the two cooling forms are used in FIG.
  • the terminal cooling system 20 of FIG. 7 and the battery pack cooling system 60 of FIG. 6 can be combined.
  • a vehicle 1000 includes the charging device 100 of the above embodiment.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined.
  • the terms “installation”, “connected”, “connected”, “fixed”, and the like, are to be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated or defined otherwise. , or integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements.
  • the specific meanings of the above terms in the present disclosure can be understood by those skilled in the art on a case-by-case basis.
  • the first feature "on” or “under” the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact.
  • the first feature "above”, “above” and “above” the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.

Abstract

L'invention concerne un dispositif de charge (100) d'un véhicule, et un véhicule (1000). Le dispositif de charge (100) comprend : un boîtier (14) ; une borne de câblage (11), la borne de câblage (11) étant disposée dans le boîtier (14) ; un faisceau de fils de charge (12), le faisceau de fils de charge (12) étant connecté à la borne de câblage (11) ; et un système de refroidissement de climatisation, le système de refroidissement de climatisation comprenant un compresseur (21), un condenseur (22), un corps de vanne et un évaporateur (23), lesquels sont connectés en série, et comprenant en outre une conduite de refroidissement, laquelle est utilisée pour refroidir le boîtier (14), la borne de câblage (11) et/ou le faisceau de fils de charge (12), de manière à former au moins une partie de l'évaporateur (23).
PCT/CN2018/108803 2017-09-30 2018-09-29 Dispositif de charge de véhicule, et véhicule WO2019062969A1 (fr)

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