WO2019062979A1 - 第一、第二充电连接件以及充电枪、车辆和充电*** - Google Patents
第一、第二充电连接件以及充电枪、车辆和充电*** Download PDFInfo
- Publication number
- WO2019062979A1 WO2019062979A1 PCT/CN2018/108823 CN2018108823W WO2019062979A1 WO 2019062979 A1 WO2019062979 A1 WO 2019062979A1 CN 2018108823 W CN2018108823 W CN 2018108823W WO 2019062979 A1 WO2019062979 A1 WO 2019062979A1
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- WO
- WIPO (PCT)
- Prior art keywords
- charging connector
- charging
- cooling
- connector according
- disposed
- Prior art date
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Classifications
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- 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
- B60L53/10—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 characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
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- 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
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- 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
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- 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
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
-
- 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
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
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- 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
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20936—Liquid coolant with phase change
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02T90/12—Electric charging stations
-
- 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 application relates to the field of vehicle charging technologies, and in particular, to a first charging connector, a second charging connector, a vehicle including a first charging connector or a second charging connector, and a first charging connector and a second charging The charging system of the connector.
- the present application aims to solve at least one of the technical problems in the related art to some extent. To this end, the present application proposes a first charging connector that can effectively reduce the operating temperature of the first terminal.
- the present application also proposes a second charging connector.
- the present application also proposes a vehicle.
- the first charging connector includes: a first housing; a first cooling duct, the first cooling duct is fixed in the first housing, and the first cooling duct includes: a receiving chamber
- the receiving chamber can accommodate a cooling medium, one end of the receiving chamber is open and is provided with a protruding column, and one end of the receiving chamber is provided with a liquid leakage hole, and the liquid leakage hole surrounds the protruding column Settings.
- the accommodating chamber the first cooling pipe is accommodated with a cooling medium, the cooling medium is adapted to lower the operating temperature of the first terminal, and the protruding column can be connected when the first cooling pipe and the second cooling pipe are connected Opening a sealing plug in the second cooling pipe to form a passage between the first cooling pipe and the second cooling pipe, so that the docking between the first cooling pipe and the second cooling pipe is more reliable. Reduce the risk of leakage of the cooling medium and improve the safety of the vehicle when charging.
- the second charging connector includes: a second housing; a second cooling duct, the second cooling duct is disposed in the second housing, and the second cooling duct includes: a liquid chamber a second control valve and a sealing plug, the liquid chamber may be filled with a cooling medium, the liquid chamber has an opening, the second control valve is disposed in the liquid chamber and connected to the sealing plug, the second A control valve controls the sealing plug to selectively seal the opening.
- a vehicle according to the present application includes the first charging connector or the second charging connector.
- FIG. 1 is a schematic view of docking a first charging connector and a second cooling pipe according to an embodiment of the present application
- FIG. 2 is an exploded view of a second charging connector in accordance with an embodiment of the present application.
- FIG. 3 is a cross-sectional view of a second charging connector in accordance with an embodiment of the present application.
- FIG. 4 is a partial structural schematic view of a second charging connector according to an embodiment of the present application.
- FIG. 5 is a schematic diagram of a first charging connector according to an embodiment of the present application.
- Figure 6 is a cross-sectional view of a first charging connector in accordance with an embodiment of the present application.
- FIG. 7 is a cross-sectional view of a first cooling line and a second cooling line docked in accordance with an embodiment of the present application
- Figure 8 is a cross-sectional view of the first cooling line and the second cooling line not docked in accordance with an embodiment of the present application
- Figure 9 is a partial schematic view of the piston and the inlet passage
- FIG. 10 is a schematic diagram of a charging system in accordance with an embodiment of the present application.
- FIG. 11 is a schematic structural view of a vehicle according to an embodiment of the present application.
- FIG. 12 is a schematic structural view of a vehicle according to another embodiment of the present application.
- the first charging connector 100 The first charging connector 100;
- a first cooling duct 20 a receiving chamber 21; a raised column 22; a liquid leakage hole 23; a first return passage 24;
- Cooling medium 30
- Pump 40 storage container 50; first sealing ring 80; filter 90; power distribution module 110; first terminal 120;
- a second housing 210 a second cooling line 220; a liquid chamber 221; a second control valve 230;
- Sealing plug 240 tapered opening 250; sensor 260; second sealing ring 270; second return channel 280; piston 290;
- the charging system may include a first charging connector 100, a second charging connector 200, and a pump 40, a first charging connector 100 and a second charging connector 200. Docking, one of the first charging connector 100 and the second charging connector 200 is a charging socket, and the other of the first charging connector 100 and the second charging connector 200 is a charging gun, and the charging socket can also be powered The battery is connected by a charging harness so that the charging gun can charge the power battery after the charging socket and the charging gun are docked.
- the first charging connector 100 and the second charging connector 200 are separately described below.
- the first charging connector 100 includes a first cooling line 20
- the second charging connector 200 includes a second cooling line 220
- the second cooling line 220 is provided with a sealing plug. 240.
- the sealing plug 240 is opened, and the first cooling conduit 20 and the second cooling conduit 220 are electrically connected.
- the cooling medium can be a liquid, such as water; the cooling medium can also be a gas, such as a cryogenic gas.
- the pump 40 When the first cooling line 20 and the second cooling line 220 are docked, the pump 40 operates to cause the cooling medium to enter the first cooling line 20 and the second cooling line 220. It can be understood that the pump 40 can power the flow of the cooling medium in the first cooling line 20 and the second cooling line 220, so that the cooling medium can be enabled in the first cooling line 20 and the second cooling line.
- the effective circulating flow in 220 can further reduce the operating temperatures of the first charging connector 10 and the second charging connector 20.
- the charging system includes a storage container 50 coupled to a pump 40 for storing a cooling medium.
- the pump 40 can pump the cooling medium from the storage container 50 into the first cooling line 20 and the second cooling line 220, and can also cool the cooling medium in the first cooling line 20 and the second cooling line 220.
- the storage container 50 can effectively provide the first cooling line 20 and the second cooling line 220 with a cooling medium that participates in the cycle.
- the first charging connector 100 further includes: a first housing 10 and a first terminal 120.
- the first cooling circuit 20 is fixed in the first housing 10, so that the first housing 10 can protect and The first cooling circuit 20 is fixed, wherein the first cooling circuit 20 is plural, and the first terminal 120 is plural, and the plurality of first terminals 120 are disposed in pairs, for example, the first terminal 120 There may be two, wherein the first cooling circuit 20 may also be two, and the two first cooling pipes 20 are disposed on both sides of the first terminal 120.
- the first connection terminal 120 may include a positive terminal and a negative terminal that transmit current. This first terminal 120 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 first cooling line 20 includes a receiving chamber 21 , and the cooling chamber 30 can be accommodated in the receiving chamber 21 , whereby the first cooling line 20 can reduce the first wiring.
- the temperature of the terminal 120 can continuously remove the heat generated by the first terminal 120, so that the burning problem of the first terminal 120 can be effectively solved, thereby improving the use and safety of the vehicle.
- the second charging connector 200 is provided with an openable and sealing sealing plug 240.
- the raised post 22 is adapted to push open the sealing plug 240 of the sealed cooling medium 30 within the second charging connector 200. It can be understood that after the protruding post 22 pushes the sealing plug 240 away, the cooling medium 30 located in the first charging connector 100 or the second charging connector 200 can flow to the other side, so that the other space can also be filled.
- the cooling medium 30 can make the first charging connector 100 and the second charging connector 200 reliable in charging, and can effectively reduce the operating temperature of the first terminal 120, and the cooling medium 30 is also safe to use.
- the first cooling duct 20 can be accommodated with the cooling medium 30, the operating temperature of the first terminal 120 can be effectively reduced, and the first cooling duct can be made by providing the boss 22
- the 20 can be effectively docked with the second cooling line 220 and filled with the cooling medium 30, so that the charging safety of the vehicle can be improved.
- the first cooling duct 20 houses the cooling medium 30, and the cooling medium 30 is adapted to lower the operating temperature of the first terminal 120, and the boss 22 can be in the first cooling duct 20
- the sealing plug 240 in the second cooling pipe 220 is opened to form a passage between the first cooling pipe 20 and the second cooling pipe 220, so that the first cooling pipe 20 is formed.
- the docking with the second cooling line 220 is more reliable, reducing the risk of leakage of the cooling medium and improving the safety of the vehicle when charging.
- the cooling medium 30 in the first charging connector 100 and the second charging connector 200 can be removed when not being charged, so that the operations of the first charging connector 100 and the second charging connector 200 can be facilitated, thereby Can improve the user's comfort.
- one end of the accommodating chamber 21 is provided with a liquid leakage hole 23, and the liquid leakage hole 23 is provided around the boss column 22.
- the leakage hole 23 may be disposed between the first coolant line 20 and the second coolant line 220 such that the first coolant line 20 and the second coolant line 220 are kept open, and the cooling medium 30 may be Flows from the first cooling line 20 to the second cooling line 220 through the leak holes 23.
- the first charging connector 100 may further include: a first return passage 24, the first return passage 24 is disposed at one end of the accommodating chamber 21, and first The return passage 24 is located below the leak hole 23.
- first return passage 24 is located below the leak hole 23.
- the first return passage 24 is configured in an arc shape.
- the recirculation passage thus provided can facilitate the recirculation of the cooling medium 30 under the action of gravity, so that the leakage of the first cooling duct 20 can be effectively prevented.
- the first charging connector 100 may further include a cooling system 400, and the cooling system 400 may include: a pump 40 and a storage container 50, and a receiving chamber 21
- the storage container 50 is electrically connected, and the pump 40 is disposed between the accommodation chamber 21 and the storage container 50.
- the pump 40 can be a two-way pump 40, that is, when the first cooling line 20 is in operation, the pump 40 can pump the cooling medium 30 from the storage container 50 to the accommodating chamber 21, and after the charging is completed, the pump 40 can be taken from the accommodating chamber.
- the cooling medium 30 is pumped to the storage container 50.
- the cooling system 400 may further include: a filter 90 and a heat exchanger 420 disposed downstream of the storage container 50, and the first cooling line 20 is disposed at a downstream end of the heat exchanger 420, and is replaced After the cooling medium 30 cooled by the heat exchanger 420 enters the first cooling line 20, the first charging connector 100 and the second charging connector 200 can be cooled.
- the storage container 50, the heat exchanger 420, the filter 90, and the pump body 40 are connected in series in series, and the filter 90 can function as a filter.
- the first charging connector 100 may further include: a power distribution module 110 , and the power distribution module 110 may supply power to the pump 40 .
- the first charging connector 100 further includes a first control valve (not shown) disposed at an outlet of the storage container 50.
- the first control valve can effectively cut off the pump 40 and the accommodating chamber 21, so that the cooling medium 30 can be prevented from flowing freely between the pump 40 and the accommodating chamber 21, so that the safety of the cooling medium 30 can be effectively ensured, thereby avoiding the occurrence of the cooling medium. 30 leaks.
- one end of the accommodating chamber 21 is provided with a sealing groove in which a first sealing ring 80 is disposed, and the first sealing ring 80 is disposed around the boss column 22 and the liquid leakage hole 23.
- the first sealing ring 80 can effectively abut the second cooling pipe 220, so that the first cooling pipe 20 and the second cooling pipe can be ensured.
- An effective seal between 220 which in turn can effectively prevent leakage of the cooling medium 30.
- the second sealing ring 220 of the second charging connector 200 is provided with a second sealing ring 270, and the second sealing ring 270 can correspond to the first sealing ring 80, so that the first sealing ring can be better ensured. Sealing reliability between the cooling line 20 and the second cooling line 220.
- the second charging connector 200 will be described in detail below.
- the second charging connector 200 may include a second housing 210 and a second cooling conduit 220, and the second cooling conduit 220 is disposed in the second housing 210.
- the second cooling circuit 220 includes a liquid chamber 221, a second control valve 230 and a sealing plug 240.
- the liquid chamber 221 can be filled with a cooling medium 30, the liquid chamber 221 has an opening, and the second control valve 230 is disposed in the liquid chamber 221. Further, the second control valve 230 is coupled to the sealing plug 240, and the second control valve 230 controls the sealing plug 240 to selectively seal the opening.
- the raised column 22 in the first cooling line 20 can push the sealing plug 240 inwardly, so that the receiving chamber 21 and the liquid chamber can be made
- the communication between the two ends 221 is such that the cooling medium 30 can flow into the other side regardless of which one has the cooling medium 30, so that the operating temperature when the first charging connector 100 and the second charging connector 200 are charged can be effectively reduced.
- the first charging connector 100 and the second charging connector 200 are arranged in such a manner that the structure is simple and easy to fit.
- the open configuration is a tapered opening 250 that tapers to the outside and the sealing plug 240 is configured to taper to match the opening.
- the tapered opening 250 can reduce the leakage of the cooling medium 30, and can facilitate the sealing of the sealing plug 240, so that the reliability of the docking of the first charging connector 100 and the second charging connector 200 can be better ensured.
- the second control valve 230 includes a valve seat 231, a valve core 232, and an elastic member 234.
- the valve seat 231 is disposed in the liquid chamber 221, and the valve core 232 is disposed.
- an elastic member 234 is disposed between the valve seat 231 and the spool 232, and the spool 232 is connected to the sealing plug 240.
- the resilient member 234 can effectively limit the movement of the spool 232, thereby acting to limit the sealing plug 240, such that the sealing plug 240 effectively seals the tapered opening 250 and pushes the sealing plug 240 inwardly of the raised post 22.
- the elastic member 234 can make the sealing plug 240 open and uniform in speed and suitable.
- the valve seat 231 has a peripheral wall, the end of which is configured as a tapered end, the valve body 232 includes a tapered portion, and the tapered portion can be fitted over the tapered end. That is to say, the valve seat 231 also has the function of restricting the movement of the valve core 232, so that the operational reliability of the valve core 232 can be ensured, and the sealing plug 240 can be ensured to switch between opening and sealing the tapered opening 250 naturally. Smooth.
- the inner peripheral wall of the liquid chamber 221 is also configured as a stopper, and the stopper is configured to be tapered to fit the tapered portion.
- the tapered portion of the valve body 232 can stop against the inner peripheral wall of the liquid chamber 221, that is, the limiting portion, so that the inner peripheral wall of the liquid chamber 221 is also It can function to limit the movement of the spool 232, so that the operational reliability of the second control valve 230 can be ensured, and the sealing reliability of the sealing plug 240 can be ensured.
- the second charging connector 200 may further include: a sensor 260 disposed on the valve seat 231, and the sensor 260 is configured to detect the elasticity of the elastic member 234. force. It can be understood that the sensor 260 can effectively detect the change of the elastic force of the elastic member 234, so that the position of the sealing plug 240 can be judged. When the sealing plug 240 moves to the predetermined position, the sensor 260 can send a signal to cause the pump 40 to start working. Then, the cooling medium 30 is pumped into the first cooling line 20 and the second cooling line 220.
- the liquid chamber 221 is provided with a second return passage 280 at a position close to the opening.
- the second return passage 280 can allow the cooling medium 30 to flow back into the liquid chamber 221, so that leakage of the cooling medium 30 can be effectively prevented.
- the pump 40, the filter 90 and the storage container 50 may also be connected to the second cooling line 220.
- the valve seat 231 of the second cooling line 220 may be provided with a plurality of liquid inlets.
- the gas pipe can be opened at the charging pile 300, so that the entire circuit is connected to the outside air.
- the pump 40 starts to work, and the cooling medium 30 in the entire circuit is taken out.
- the valve body is closed, the valve body is closed. .
- the liquid chamber 221 may further include an inlet passage 291, the inlet passage 291 is located inside the second return passage 280, and the inlet passage 291 is in communication with the second return passage 280. It can be understood that the liquid inlet passage 291 can further flow inward after the cooling medium flows into the liquid chamber 221, and the cooling medium located in the second return passage 280 can also flow inward through the liquid inlet passage 291.
- a piston 290 is provided in the inlet passage 291, and the piston 290 is movable in the inlet passage 291 to open and close the inlet passage 291.
- the piston 290 can function to open and close the inlet passage 291.
- the piston 290 is a conical boss, and the circumferential surface of the conical boss and the circumferential surface of the liquid inlet passage 291 are coaxial and parallel, so that the piston 290 can move up and down within a certain range inside the liquid inlet passage 291.
- the inner diameter of the inlet passage 291 is increased in a direction away from the second return passage 280, the piston 290 is tapered, and the bottom end of the inlet passage 291 is set as a limit end.
- the setting of the limiting end can prevent the piston 290 from coming out. It should be noted that when the liquid inlet channel 291 enters the liquid, the cooling medium pushes the piston 290 downward, the piston 290 opens the liquid inlet passage 291, and when the liquid is discharged outward, the piston 290 is upward. Move to close the inlet channel 291.
- the density of the piston 290 is less than the density of the cooling medium.
- the cooling medium can adjust the position of the piston 290 according to its own flow direction, so that the opening and closing adjustment of the liquid inlet passage 291 can be realized.
- the two first cooling pipes 20 and the two second cooling pipes 220 are butted, and two The other cooling components of the whole vehicle may be connected between the second cooling pipes 220, so that the cooling system 400, the two first cooling pipes 20, the two second cooling pipes 220, and other cooling components of the whole vehicle may be formed.
- a circulation loop can make the charging system simple in structure, and can effectively reduce the operating temperatures of the first charging connector 100 and the second charging connector 200.
- a vehicle 1000 includes the first charging connector 100 of the above embodiment or the second charging connector 200 of the above embodiment.
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- Microelectronics & Electronic Packaging (AREA)
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
一种充电连接装置,包括第一充电连接件(100)、第二充电连接件(200),第一充电连接件(100)包括:第一壳体(10);第一冷却管路(20),第一冷却管路(20)固定在第一壳体(10)内,第一冷却管路(20)包括:容纳室(21),容纳室(21)内可容纳有冷却介质(30),容纳室(21)的一端敞开且设置有凸起柱(22),容纳室(21)的一端设置有漏液孔(23),漏液孔(23)围绕凸起柱(22)设置;第二充电连接件(200)包括:第二壳体(210)和第二冷却管路(220),第二冷却管路(220)设置在第二壳体(210)内,第二冷却管路(220)包括:液体室(221)、第二控制阀(230)和密封塞(240),液体室(221)内可充满冷却介质(30),液体室(221)具有敞口,第二控制阀(230)设置在液体室(221)内,而且第二控制阀(230)与密封塞(240)相连,第二控制阀(230)控制密封塞(240)选择性地密封敞口。还提供了一种具有上述充电连接装置的车辆(1000)。通过上述充电连接装置能够降低充电时接线端子处的温度,并且能够避免冷却介质(30)的泄漏,提高了车辆(1000)充电时的安全性。
Description
相关申请的交叉引用
本申请要求比亚迪股份有限公司于2017年09月30日提交的、发明名称为“第一、第二充电连接件以及充电枪、车辆和充电***”的、中国专利申请号“201710944267.X”的优先权。
本申请涉及车辆充电技术领域,尤其涉及一种第一充电连接件、第二充电连接件、包括第一充电连接件或第二充电连接件的车辆,以及包括第一充电连接件和第二充电连接件的充电***。
目前由于能源和环境等问题,推动新能源汽车爆发性成长,新能源汽车保有量也不断攀升。与传统燃油车相比,新能源汽车具有节能环保的巨大优势,但是电动车充电时间周期长,却是长久以来的诟病。
现阶段利用增大充电功率来缩短充电时间的方式被普遍采用。与之而来的问题是:由于电流过大,充电插座处的接线端子发热严重,导致出现充电端子烧毁或充电问题故障,这样整车无法正常充电,而且充电安全性无法得到有效保证。
还有,虽然目前一些厂商也在积极采用降低接线端子处的温度的一些方式,例如,在充电线束处布置冷却装置,但是冷却效果不理想,而且布置起来较复杂。
发明内容
本申请旨在至少在一定程度上解决相关技术中的技术问题之一。为此,本申请提出一种第一充电连接件,该第一充电连接件可以有效降低第一接线端子的工作温度。
本申请还提出了一种第二充电连接件。
本申请还提出了一种车辆。
根据本申请的第一充电连接件,包括:第一壳体;第一冷却管路,所述第一冷却管路固定在所述第一壳体内,所述第一冷却管路包括:容纳室,所述容纳室内可容纳有冷却介质,所述容纳室的一端敞开且设置有凸起柱,所述容纳室的所述一端设置有漏液孔,所述漏液孔围绕所述凸起柱设置。
由此,通过设置容纳室,使第一冷却管路容纳有冷却介质,冷却介质适于降低第一接线端子的工作温度,凸起柱可以在第一冷却管路与第二冷却管路对接时,将第二冷却管路内的密封塞顶开,使第一冷却管路与第二冷却管路之间形成通路,使得第一冷却管路与第二冷却管路之间的对接更加可靠,减少冷却介质泄漏的风险,提高了车辆充电时的安全性。
根据本申请的第二充电连接件,包括:第二壳体;第二冷却管路,所述第二冷却管路设置在所述第二壳体内,所述第二冷却管路包括:液体室、第二控制阀和密封塞,所述液体室内可充满冷却介质,所述液体室具有敞口,所述第二控制阀设置在所述液体室内且与所述密封塞相连,所述第二控制阀控制所述密封塞选择性地密封所述敞口。根据本申请的车辆,包括所述的第一充电连接件或所述的第二充电连接件。
图1是根据本申请实施例的第一充电连接件和第二冷却管路对接的示意图;
图2是根据本申请实施例的第二充电连接件的***图;
图3是根据本申请实施例的第二充电连接件的剖视图;
图4是根据本申请实施例的第二充电连接件的局部结构示意图;
图5是根据本申请实施例的第一充电连接件的示意图;
图6是根据本申请实施例的第一充电连接件的剖视图;
图7是根据本申请实施例的第一冷却管路和第二冷却管路对接的剖视图;
图8是根据本申请实施例的第一冷却管路和第二冷却管路未对接的剖视图;
图9为活塞和进液通道的局部示意图;
图10是根据本申请实施例的充电***的示意图;
图11是根据本申请的一个实施例的车辆的结构示意图;
图12是根据本申请的另一个实施例的车辆的结构示意图。
附图标记:
第一充电连接件100;
第一壳体10;
第一冷却管路20;容纳室21;凸起柱22;漏液孔23;第一回流通道24;
冷却介质30;
泵40;存储容器50;第一密封圈80;过滤器90;配电模块110;第一接线端子120;
第二充电连接件200;
第二壳体210;第二冷却管路220;液体室221;第二控制阀230;
阀座231;阀芯232;弹性件234;
密封塞240;渐缩敞口250;传感器260;第二密封圈270;第二回流通道280;活塞290;
充电桩300;
冷却***400;换热器420;
车辆1000。
下面详细描述本申请的实施例,所述实施例的示例在附图中示出。下面通过参考附图描述的实施例是示例性的,旨在用于解释本申请,而不能理解为对本申请的限制。
下面参考附图详细描述根据本申请实施例的充电***。
如图1和图12所示,根据本申请实施例的充电***可以包括:第一充电连接件100、第二充电连接件200和泵40,第一充电连接件100和第二充电连接件200可以对接,第一充电连接件100和第二充电连接件200中的一个为充电插座,第一充电连接件100和第二充电连接件200中的另一个为充电枪,充电插座还可以与动力电池通过充电线束相连,这样在充电插座和充电枪对接后,充电枪可以为动力电池充电。
下面分开描述一下第一充电连接件100和第二充电连接件200。
如图1、图7和图8所示,第一充电连接件100包括第一冷却管路20,第二充电连接件200包括第二冷却管路220,第二冷却管路220设置有密封塞240,在第一充电连接件100和第二充电连接件200对接时,密封塞240打开,第一冷却管路20和所述第二冷却管路220导通。这样冷却介质可以在第一冷却管路20和所述第二冷却管路220内流动,从而可以降低第一充电连接件100和第二充电连接件200的工作温度。冷却介质可以为液体,例如,水;冷却介质也可以为气体,例如,低温气体。
在第一冷却管路20和第二冷却管路220对接时,泵40工作以使冷却介质进入第一冷却管路20和第二冷却管路220中。可以理解的是,泵40可以为冷却介质在第一冷却管路20和第二冷却管路220中的流动提供动力,从而可以使得冷却介质能够在第一冷却管路20和第二冷却管路220中有效循环流动,进而可以更好地降低第一充电连接件10和第二充电连接件20的工作温度。
另外,如图10所示,充电***包括和泵40连接的存储容器50,存储容器50用于存储冷却介质。由此,泵40可以将冷却介质从存储容器50泵入第一冷却管路20和第二冷却管路220中,也可以将第一冷却管路20和第二冷却管路220中的冷却介质泵入存储容器50,这样,存储容器50可以有效地为第一冷却管路20和第二冷却管路220提供参与循环的冷却介质。
其中,第一充电连接件100内还包括:第一壳体10和第一接线端子120,第一冷却管 路20固定在第一壳体10内,这样第一壳体10可以起到保护和固定第一冷却管路20的作用,其中,第一冷却管路20为多个,而且第一接线端子120为多个,多个第一接线端子120成对设置,例如,第一接线端子120可以为两个,其中,第一冷却管路20也可以为两个,两个第一冷却管路20设置在第一接线端子120的两侧。其中,第一接线端子120可以包括传输电流的正极接线端子和负极接线端子。此第一接线端子120适用于直流充电口。
同理交流充电口充电接线端子也是成对出现,可能为多个,原理同上,依旧可以实施应用。
其中,如图5和图6所示,第一冷却管路20包括:容纳室21,容纳室21内可容纳有冷却介质30,由此,第一冷却管路20可以起到降低第一接线端子120温度的作用,冷却介质30可以持续带走第一接线端子120所产生的热量,从而可以有效地解决第一接线端子120烧损问题,进而可以提高车辆的使用和安全性。
容纳室21的一端敞开,而且容纳室21的一端设置有凸起柱22,第二充电连接件200内同样可以容纳有冷却介质30,第二充电连接件200设置有可开闭的密封塞240,凸起柱22适于推开第二充电连接件200内的密封冷却介质30的密封塞240。可以理解的是,在凸起柱22推开密封塞240之后,位于第一充电连接件100或第二充电连接件200内的冷却介质30可以流向另一方,从而可以使得另一方空间内也充满冷却介质30,这样可以使得第一充电连接件100和第二充电连接件200充电可靠,而且可以有效降低第一接线端子120的工作温度,冷却介质30的使用安全性也较好。
由此,通过设置容纳室21,可以使得第一冷却管路20容纳有冷却介质30,可以有效降低第一接线端子120的工作温度,而且通过设置凸起柱22,可以使得第一冷却管路20能够与第二冷却管路220有效对接,而且充满冷却介质30,从而可以提高车辆的充电安全性。
由此,通过设置容纳室21,使第一冷却管路20容纳有冷却介质30,冷却介质30适于降低第一接线端子120的工作温度,凸起柱22可以在第一冷却管路20与第二冷却管路220对接时,将第二冷却管路220内的密封塞240顶开,使第一冷却管路20与第二冷却管路220之间形成通路,使得第一冷却管路20与第二冷却管路220之间的对接更加可靠,减少冷却介质泄漏的风险,提高了车辆充电时的安全性。另外,在未充电时,第一充电连接件100和第二充电连接件200内的冷却介质30可以被抽走,从而可以易于第一充电连接件100和第二充电连接件200的操作,进而可以提升用户的使用舒适性。
如图6所示,容纳室21的一端设置有漏液孔23,漏液孔23围绕凸起柱22设置。漏液孔23可以设置在第一冷却液管路20和第二冷却液管路220之间,使得第一冷却液管路20与第二冷却液管路220之间保持畅通,冷却介质30可以通过漏液孔23从第一冷却管路20流向第二冷却管路220。
根据本申请的一个实施例,如图7和图8所示,第一充电连接件100还可以包括:第一回流通道24,第一回流通道24设置在容纳室21的一端处,而且第一回流通道24位于漏液孔23的下方。由此,在充电完成且抽走冷却介质30时,部分冷却介质30可能会存留在第一冷却管路20内,第一回流通道24可以使得冷却介质30回流到容纳室21内,从而可以避免冷却介质30的泄漏,可以保证冷却介质30的使用安全性。
如图7和图8所示,第一回流通道24构造为弧形。如此设置的回流通道可以便于冷却介质30在重力作用下回流,从而可以有效避免第一冷却管路20出现漏液现象。
根据本申请的一个可选实施例,如图5-图10所示,第一充电连接件100还可以包括连通有冷却***400,冷却***400可以包括:泵40和存储容器50,容纳室21和存储容器50导通,泵40设置在容纳室21和存储容器50之间。泵40可以为双向泵40,也就是说,在第一冷却管路20工作时,泵40可以从存储容器50将冷却介质30泵向容纳室21,在充电完成后,泵40可以从容纳室21将冷却介质30泵向存储容器50。其中,另外,冷却***400还可以包括:过滤器90和换热器420,换热器420设置在存储容器50的下游,第一冷却管路20设置在换热器420的下游端,经过换热器420降温后的冷却介质30进入到第一冷却管路20后,可以为第一充电连接件100和第二充电连接件200进行降温。存储容器50、换热器420、过滤器90和泵体40之间依次串联连接,过滤器90可以起到过滤的作用。如图10所示,第一充电连接件100还可以包括:配电模块110,配电模块110可以为泵40供电。
根据本申请的一个实施例,如图10所示,第一充电连接件100还包括:第一控制阀(未示出),第一控制阀设置在存储容器50的出口处。第一控制阀可以有效切断泵40和容纳室21,从而可以避免冷却介质30在泵40和容纳室21之间随意流动,从而可以有效保证冷却介质30的使用安全性,从而可以避免出现冷却介质30泄漏的问题。
如图5和图6所示,容纳室21的一端设置有密封槽,密封槽内设置有第一密封圈80,第一密封圈80围绕凸起柱22和漏液孔23设置。在第一充电连接件100与第二充电连接件200对接时,第一密封圈80可以有效贴靠在第二冷却管路220上,从而可以保证第一冷却管路20和第二冷却管路220之间的有效密封,进而可以有效避免冷却介质30的泄漏。需要说明的是,第二充电连接件200的第二冷却管路220上设置有第二密封圈270,第二密封圈270可以与第一密封圈80相对应,这样可以更好地保证第一冷却管路20和第二冷却管路220之间的密封可靠性。
下面详细描述一下第二充电连接件200。
如图2、图3和图4所示,第二充电连接件200可以包括:第二壳体210和第二冷却管路220,第二冷却管路220设置在第二壳体210内,第二冷却管路220包括:液体室221、 第二控制阀230和密封塞240,液体室221内可充满冷却介质30,液体室221具有敞口,第二控制阀230设置在液体室221内,而且第二控制阀230与密封塞240相连,第二控制阀230控制密封塞240选择性地密封敞口。
由此,在第一冷却管路20和第二冷却管路220对接时,第一冷却管路20中的凸起柱22可以向内推开密封塞240,从而可以使得容纳室21与液体室221之间连通,这样无论哪一方里面有冷却介质30,冷却介质30均可以流动至另一方内,从而可以有效降低第一充电连接件100和第二充电连接件200充电时的工作温度。而且这样设置第一充电连接件100和第二充电连接件200结构简单,易于配合。
如图7和图8所示,敞口构造为向外侧渐缩的渐缩敞口250,密封塞240构造为锥形以与敞口匹配。渐缩敞口250可以减少冷却介质30的泄漏,而且可以有利于密封塞240的密封,从而可以更好地保证第一充电连接件100和第二充电连接件200对接的可靠性。
根据本申请的一个实施例,如图7和图8所示,第二控制阀230包括:阀座231、阀芯232和弹性件234,阀座231设置在液体室221内,阀芯232设置在阀座231内,弹性件234设置在阀座231和阀芯232之间,阀芯232与密封塞240相连。弹性件234可以有效限制阀芯232的运动,从而可以起到限制密封塞240的作用,这样可以使得密封塞240有效密封渐缩敞口250,而且在凸起柱22向内推开密封塞240时,弹性件234可以使得密封塞240打开速度均匀且适宜。
如图7和图8所示,阀座231具有周壁,周壁的端部构造为渐缩端部,阀芯232包括锥形部,而且锥形部可配合在渐缩端部上。也就是说,阀座231实质上也具有限制阀芯232移动的作用,从而可以保证阀芯232的工作可靠性,而且可以保证密封塞240在打开和密封渐缩敞口250之间切换自然且顺畅。
液体室221的内周壁还构造为限位部,限位部构造为锥形以与锥形部配合。如图8所示,在密封塞240密封渐缩敞口250时,阀芯232的锥形部可以止抵在液体室221的内周壁上,即限位部,这样液体室221的内周壁也可以起到限制阀芯232移动的作用,从而可以保证第二控制阀230的工作可靠性,以及可以保证密封塞240的密封可靠性。
根据本申请的一个实施例,如图7和图8所示,第二充电连接件200还可以包括:传感器260,传感器260设置在阀座231上,而且传感器260用于检测弹性件234的弹性力。可以理解的是,传感器260可以有效检测到弹性件234的弹性力变化,从而可以判断出密封塞240的位置,在密封塞240移动至预定位置时,传感器260可以发出信号以使得泵40开始工作,然后向第一冷却管路20和第二冷却管路220内泵入冷却介质30。
还有,如图7和图8所示,液体室221在靠近敞口的位置设置有第二回流通道280。第二回流通道280可以允许冷却介质30回流到液体室221内,从而可以有效避免冷却介质30 泄漏。
需要说明的是,泵40、过滤器90和存储容器50也可以连接在第二冷却管路220处,例如,第二冷却管路220的阀座231处可以设置有多个进液口。
还有,在车辆充电完成后,充电桩300处可以打开气管,使得整个回路与外部空气联通,此时泵40开始工作,将整个回路中的冷却介质30抽出,完毕后,阀体关闭透气管。
另外,如图8和图9所示,液体室221还可以包括:进液通道291,进液通道291位于第二回流通道280的内侧,而且进液通道291与第二回流通道280连通。可以理解的是,该进液通道291可以在冷却介质流入液体室221之后再进一步地向内流动,而且位于第二回流通道280内的冷却介质也可以通过该进液通道291向内流动。
根据本申请的一个实施例,如图8和图9所示,进液通道291内设置有活塞290,活塞290在进液通道291内可移动以开闭进液通道291。活塞290可以起到开闭进液通道291的作用,例如,在进液时,活塞290可以打开进液通道291,在出液时,活塞290可以关闭进液通道291。其中,该活塞290为锥形凸台,锥形凸台的周面和进液通道291周面同轴并平行,这样活塞290可以在进液通道291内部一定范围内上下移动。进液通道291的内径在远离第二回流通道280的方向上递增,活塞290呈锥形,进液通道291的底端设置为限位端。限位端的设置可以防止活塞290的脱出,需要说明的是,在进液通道291进液时,冷却介质向下推动活塞290,活塞290打开进液通道291,在向外出液时,活塞290向上移动以关闭进液通道291。
其中,活塞290的密度小于冷却介质的密度。这样冷却介质可以根据自身的流动方向调节活塞290的位置,从而可以实现对进液通道291的开闭调节。
如图10所示,在充电***中,第一充电连接件100和第二充电连接件200对接时,两个第一冷却管路20和两个第二冷却管路220对接,而且,两个第二冷却管路220之间可以连接有整车其他冷却部件,这样冷却***400、,两个第一冷却管路20、两个第二冷却管路220和整车其他冷却部件之间可以形成一个循环回路,从而可以使得充电***结构简单,而且可以有效降低,第一充电连接件100和第二充电连接件200的工作温度。
如图11和图12所示,根据本申请实施例的车辆1000,包括上述实施例的第一充电连接件100或者上述实施例的第二充电连接件200。
在本说明书的描述中,参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且,描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外,在不相互矛盾的情况下,本领域的 技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本申请的实施例,可以理解的是,上述实施例是示例性的,不能理解为对本申请的限制,本领域的普通技术人员在本申请的范围内可以对上述实施例进行变化、修改、替换和变型。
Claims (19)
- 一种第一充电连接件,其特征在于,包括:第一壳体;第一冷却管路,所述第一冷却管路固定在所述第一壳体内,所述第一冷却管路包括:容纳室,所述容纳室内可容纳有冷却介质,所述容纳室的一端敞开且设置有凸起柱,所述容纳室的所述一端设置有漏液孔,所述漏液孔围绕所述凸起柱设置。
- 根据权利要求1所述的第一充电连接件,其特征在于,还包括:第一回流通道,所述第一回流通道设置在所述容纳室的所述一端处且位于所述漏液孔的下方。
- 根据权利要求2所述的第一充电连接件,其特征在于,所述第一回流通道构造为弧形。
- 根据权利要求1-3任一项所述的第一充电连接件,其特征在于,所述容纳室导通有存储容器,所述存储容器和所述容纳室之间设置有泵。
- 根据权利要求4所述的第一充电连接件,其特征在于,还包括:换热器,所述存储容器的出口处连接有换热器,所述换热器还与所述容纳室连接。
- 根据权利要求5所述的第一充电连接件,其特征在于,还包括:第一控制阀,所述第一控制阀设置在所述存储容器的出口处。
- 根据权利要求1-6任一项所述的第一充电连接件,其特征在于,所述容纳室的所述一端设置有密封槽,所述密封槽内设置有第一密封圈,所述第一密封圈围绕所述漏液孔。
- 一种第二充电连接件,其特征在于,包括:第二壳体;第二冷却管路,所述第二冷却管路设置在所述第二壳体内,所述第二冷却管路包括:液体室、第二控制阀和密封塞,所述液体室内可充满冷却介质,所述液体室具有敞口,所述第二控制阀设置在所述液体室内且与所述密封塞相连,所述第二控制阀控制所述密封塞选择性地密封所述敞口。
- 根据权利要求8所述的第二充电连接件,其特征在于,所述敞口构造为向外侧渐缩的渐缩敞口,所述密封塞构造为锥形以与所述敞口匹配。
- 根据权利要求8或9所述的第二充电连接件,其特征在于,所述第二控制阀包括:阀座、阀芯和弹性件,所述阀座设置在所述液体室内,所述阀芯设置在阀座内,所述弹性件设置在所述阀座和所述阀芯之间,所述阀芯与所述密封塞相连。
- 根据权利要求10所述的第二充电连接件,其特征在于,所述阀座具有周壁,所述周壁的端部构造为渐缩端部,所述阀芯包括锥形部且所述锥形部可配合在所述渐缩端部上。
- 根据权利要求11所述的第二充电连接件,其特征在于,所述液体室的内周壁还构造为限位部,所述限位部构造为锥形以与所述锥形部配合。
- 根据权利要求10-12任一项所述的第二充电连接件,其特征在于,还包括:传感器,所述传感器设置在所述阀座上且用于检测所述弹性件的弹性力。
- 根据权利要求8-13任一项所述的第二充电连接件,其特征在于,所述液体室在靠近所述敞口的位置设置有第二回流通道。
- 根据权利要求8-14任一项所述的第二充电连接件,其特征在于,所述液体室还包括:进液通道,所述进液通道位于所述第二回流通道的内侧且与所述第二回流通道连通。
- 根据权利要求15所述的第二充电连接件,其特征在于,所述进液通道内设置有活塞,所述活塞在所述进液通道内可移动以开闭所述进液通道。
- 根据权利要求16所述的第二充电连接件,其特征在于,所述进液通道的内径在远离所述第二回流通道的方向上递增,所述活塞呈锥形,所述进液通道的底端设置为限位端。
- 根据权利要求17所述的第二充电连接件,其特征在于,所述活塞的密度小于所述冷却介质的密度。
- 一种车辆,其特征在于,包括根据权利要求1-7中任一项所述的第一充电连接件或根据权利要求8-18中任一项所述的第二充电连接件。
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