WO2019062974A1 - Connecteur de charge, véhicule et système de charge - Google Patents

Connecteur de charge, véhicule et système de charge Download PDF

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Publication number
WO2019062974A1
WO2019062974A1 PCT/CN2018/108809 CN2018108809W WO2019062974A1 WO 2019062974 A1 WO2019062974 A1 WO 2019062974A1 CN 2018108809 W CN2018108809 W CN 2018108809W WO 2019062974 A1 WO2019062974 A1 WO 2019062974A1
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WO
WIPO (PCT)
Prior art keywords
charging
charging connector
terminal
segment
cold air
Prior art date
Application number
PCT/CN2018/108809
Other languages
English (en)
Chinese (zh)
Inventor
吴兴国
左杰
刘伟
张春枫
陈秋城
Original Assignee
比亚迪股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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 WO2019062974A1 publication Critical patent/WO2019062974A1/fr

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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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases

Definitions

  • the present application relates to the field of vehicle charging technology, and in particular, to a charging connector, a vehicle including a charging connector, and a charging system including a first charging connector and a second charging 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 charging connector that enables simultaneous cooling of the terminals and the charging harness.
  • the present application further proposes a vehicle.
  • the present application further proposes a charging system.
  • the charging connector includes: a housing; a terminal, the terminal is disposed in the housing; a charging harness, the charging harness is connected to the terminal; and a cold air duct, the cold air pipeline respectively The terminal is in contact with the charging harness.
  • the cold air duct can effectively cool the terminal and the charging harness, thereby alleviating the problem that the terminal is heated excessively due to charging.
  • the charging connector has a simple structure, is easy to process, and is highly feasible.
  • a vehicle according to the present application includes: the charging connector.
  • the charging system includes: a first charging connector, the first charging connector is the charging connector; a second charging connector, the second charging connector is the charging connector
  • the cold air conduit of the first charging connector is docked with the cold air conduit of the second charging connector.
  • FIG. 1 is an assembled view of a first charging connector and a second charging connector in accordance with an embodiment of the present application
  • FIG. 2 is a schematic view of a first charging connector in accordance with an embodiment of the present application.
  • FIG. 3 is a schematic view of a second charging connector in accordance with an embodiment of the present application.
  • FIG. 4 is a schematic view of a first cold air duct, an elastic member, a collar, and a seal ring according to an embodiment of the present application;
  • FIG. 5 is a schematic view of a first cold air duct, an elastic member, a collar, and a seal ring according to an embodiment of the present application;
  • FIG. 6 is a schematic view of a second cold air duct and a seal ring according to an embodiment of the present application
  • FIG. 7 is a schematic view of a second cold air duct and a seal ring according to an embodiment of the present application.
  • FIG. 8 is a schematic view showing the assembly of a first charging connector and a second charging connector according to an embodiment of the present application
  • FIG. 9 is an assembled view of a first charging connector and a second charging connector according to an embodiment of the present application.
  • FIG. 10 is a schematic view of a first terminal and a terminal sheath according to an embodiment of the present application.
  • Figure 11 is a cross-sectional view of the liquid-cooled piping and charging harness after assembly according to an embodiment of the present application
  • FIG. 12 is an assembled view of a charging harness and a liquid cooling pipe according to an embodiment of the present application.
  • FIG. 13 is a schematic illustration of the entire charging system in accordance with an embodiment of the present application.
  • FIG. 14 is a schematic diagram of docking of a first charging connector and a second charging connector according to an embodiment of the present application.
  • Figure 15 is a schematic illustration of a vehicle of one embodiment of the present application.
  • Figure 16 is a schematic illustration of a vehicle in accordance with another embodiment of the present application.
  • First housing 1 First terminal 2; first terminal segment 3; first tube segment 31; second tube segment 32; elastic member 4; collar 5; first sealing ring 6; terminal sheath 7; Wire harness 8; liquid cooling pipe 9; air conditioning system 91;
  • a second housing 201 a second terminal 202; a second terminal segment 203; an annular groove 204; a heat absorption layer 205; a second sealing ring 206; a second charging harness 207;
  • Charging system 30 cooling system 40; power distribution module 50;
  • the existing cooling schemes of the charging gun and the charging port are basically independent systems, and only the cooling is performed on the one hand, and there is no unified integration.
  • two sets of cooling schemes are provided to separately cool the vehicle and the charging gun side.
  • the structure of this method is complicated, the operation is relatively troublesome, and it requires more space, and it is also difficult to achieve unified control and management.
  • the cost of the two systems is relatively large, and the cooling loops of the two are also difficult to exchange information, and it is difficult to deal with problems.
  • the charging system 30 may include: a first charging connector 10 and a second charging connector 20, the first charging connector 10 and the second charging connector 20 may be docked, first One of the charging connector 10 and the second charging connector 20 is a charging socket, and the other of the first charging connector 10 and the second charging connector 20 is a charging gun, and the charging socket can also be charged with the power battery through the first charging.
  • the wire harness 8 is connected so that the charging gun can charge the power battery after the charging socket and the charging gun are docked.
  • the structure of the charging connector in the present application is completely the same as the structure of the first charging connector 10 and the structure of the second charging connector 20 described herein, and the plurality of components in the first charging connector 10
  • the structure and positional relationship are the same as the structure and positional relationship of the plurality of components in the charging connector, and the structure and positional relationship of the plurality of components in the second charging connector 20 and the plurality of components in the charging connector
  • the structure and positional relationship are the same, so the specific structure of the charging connector will not be described again.
  • the first charging connector 10 includes: a first housing 1 and a first terminal 2 . a first cold air duct and a first charging harness 8, the first connecting terminal 2 is disposed inside the first housing 1, the first charging harness 8 is connected to the first connecting terminal 2, and the first cold air duct is respectively connected to the first connecting terminal 2 is in contact with the first charging harness 8.
  • cold air may flow in the first cold air duct, wherein the heat source of the first charging connector 10 mainly comes from the first connecting terminal 2, the first charging harness 8 and the first connecting terminal 2 and the first charging harness 8
  • the crimping point such that the first cold air duct can be used not only for taking away the heat of the first terminal 2, but also for taking away the heat of the first charging harness 8, and the first cold air duct can also take the first The heat at the crimping of the terminal 2 and the first charging harness 8.
  • the first terminal 2 is a positive terminal and a negative terminal for transmitting current. This first terminal 2 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 cold air duct includes: a first terminal section 3 and a first harness section that are in communication, the first terminal section 3 is parallel to the first terminal 2, and the first harness section is parallel to the first charging harness 8.
  • the first terminal segment 3 corresponds to the first terminal 2, for example, the first terminal segment 3 can simultaneously abut the positive terminal and the negative terminal, and the first segment can be simultaneously applied to the two first chargings.
  • the first terminal segment 3 and the first wire segment are simple in structure, and the temperature of the first charging connector 10 can be effectively reduced.
  • the first charging connector 10 may further include: an elastic member 4 and a collar 5, and the elastic member 4 is disposed at the first terminal segment. 3 and the collar 5, wherein the collar 5 is sleeved on the elastic member 4, and a first sealing ring 6 is further disposed on the collar 5, and the first sealing ring 6 has a sealing function when the first charging When the connecting member 10 and the second charging connector 20 are butted, the interface can be sealed, so that air leakage at the interface can be prevented.
  • the elastic member 4 can be disposed as a spring, and the elastic potential of the spring is good, and the working performance of the first charging connector 10 can be improved.
  • the terminal segment 3 may include: a first pipe segment 31 and a second pipe segment 32, the outer diameter of the second pipe segment 32 being smaller than the outer diameter of the first pipe segment 31, elastic
  • the sleeve 4 is disposed on the second pipe section 32, so that the spring sleeve can be conveniently sleeved on the second pipe section 32, and after the elastic ring 4 is compressed by a predetermined distance, the collar 5 can be sleeved on the second pipe section 32, so that Prevent the spring from returning to a state where no elastic deformation occurs.
  • the first charging connector 10 may further include: a terminal sheath 7 which is sleeved on the first terminal 2, wherein the terminal sheath 7 is The first terminal 2 has a protective effect to prevent damage to the first terminal 2 by an object other than the terminal sheath 7.
  • the charging system may further include: an air conditioning system 91, the air conditioning system 91 is connected to the first cold air duct, and the air conditioning system 91 can deliver cold air to the first terminal section 3 of the first cold air duct, so that The heat generated by the vehicle during charging is dissipated.
  • an air conditioning system 91 the air conditioning system 91 is connected to the first cold air duct, and the air conditioning system 91 can deliver cold air to the first terminal section 3 of the first cold air duct, so that The heat generated by the vehicle during charging is dissipated.
  • the first charging connector 10 may further include: a liquid cooling pipe 9, the liquid cooling pipe 9 is wound around the first charging wire harness 8, and the liquid cooling pipe 9 is wound around the first On the outer surface of the charging harness 8, a liquid-cooling line 9 is provided with a flowable coolant.
  • the liquid-cooling line 9 can absorb the heat on the first charging harness 8 as soon as possible, so that the purpose of cooling the first charging harness 8 can be achieved.
  • the liquid cooling pipe 9 may be a flat pipe. The flat tube can increase its contact area with the first charging harness, so that heat exchange can be facilitated.
  • a cooling system 40 may be disposed within the charging system 30, and the cooling system 40 may be in communication with the liquid cooling line 9. After the charging gun and the charging socket are docked, the charging is started, the power distribution module 50 energizes the vehicle cooling system 40, the cooling system 40 starts to work, and the cooling liquid is connected to the liquid cooling circuit 9, so as to absorb the first charging.
  • the heat on the wire harness 8 enables the cold air cooling and the cooling liquid to cool together to share a single pipe, thereby enhancing the cooling effect.
  • the first charging connector 10 has a simple structure, is easy to process, and is highly feasible.
  • the second charging connector 20 may include: a second housing 201 , a second terminal 202 , and a second a cold air duct and a second charging harness 207, the second terminal 202 is disposed inside the second housing 201, the second charging harness 207 is connected to the second terminal 202, and the second cooling duct is respectively connected to the second terminal 202 and The second charging harness 207 is in contact.
  • cold air may flow in the second cold air duct, wherein the heat source of the second charging connector 10 mainly comes from the second terminal 202, the second charging harness 207, and the second terminal 202 and the second charging harness 207.
  • the crimping station such that the second cold air duct can be used not only for taking away the heat of the second terminal 202, but also for carrying away the heat of the second charging harness 207, and the second cold air duct can also take the second The heat at the crimping of the terminal 202 and the second charging harness 207.
  • the second terminal 202 is a positive terminal and a negative terminal for transmitting current. This second terminal 202 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 second cold air duct includes: a second terminal section 203 and a second harness section that are in communication, the second terminal section 203 is parallel to the second terminal 202, and the second harness section is parallel to the second charging harness 207.
  • the second terminal segment 203 corresponds to the second terminal 202.
  • the second terminal segment 203 can simultaneously abut the positive terminal and the negative terminal, and the second segment can be simultaneously applied to the two second charging.
  • the second terminal segment 203 and the second wire segment are simple in structure, and the temperature of the second charging connector 20 can be effectively reduced.
  • the second terminal segment 203 is provided with a second sealing ring 206 away from the end of the second wire segment, and the outer end of the second terminal segment 203 is provided with a ring.
  • the groove 204, the second sealing ring 206 is disposed at the annular groove 204, and the annular groove 204 can be well coupled with the second sealing ring 206, so that the connection of the annular groove 204 and the second sealing ring 206 is closer. Therefore, it is possible to prevent air leakage at the junction of the annular groove 204 and the second seal ring 206.
  • the second charging connector 20 may further include: a heat absorbing layer 205 having an insulating property, the heat absorbing layer 205 being disposed on the inner circumference of the second casing 201, wherein the heat absorbing layer 205 has superconducting
  • the heat and flexible material can be disposed on the upper and lower sides, and the heat of the second charging harness and the second terminal segment 203 can be absorbed and quickly released into the air, thereby speeding up the cooling effect.
  • the heat absorbing layer 205 may also be disposed in the first casing 1 or a heat absorbing layer 205 may be disposed in the first casing 1 .
  • the first sealing ring 6 and the second sealing ring 206 are in direct contact with each other, and the elastic member 4 will be in contact with A sealing ring 6 is pressed against the annular groove 204.
  • the first seal ring 6 and the second seal ring 206 can better seal the first cold air duct and the second cold air duct.
  • a vehicle 100 includes the first charging connector 10 of the above embodiment or the second charging connector 20 of the above embodiment.

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  • Electric Propulsion And Braking For Vehicles (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

La présente invention concerne un connecteur de charge et un véhicule (100). Un premier connecteur de charge (10) du connecteur de charge s'attache à un second connecteur de charge (20). Le premier connecteur de charge (10) comprend un premier boîtier (1), une première borne de câblage (2), une première conduite d'air de refroidissement et un premier faisceau de fils de charge (8), le premier faisceau de fils de charge (8) étant connecté à la première borne de câblage (2), et la première conduite d'air de refroidissement étant respectivement en contact avec la première borne de câblage (2) et le premier faisceau de fils de charge (8).
PCT/CN2018/108809 2017-09-30 2018-09-29 Connecteur de charge, véhicule et système de charge WO2019062974A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201721288184.1 2017-09-30
CN201721288184.1U CN207931502U (zh) 2017-09-30 2017-09-30 充电连接件以及车辆和充电系统

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WO2019062974A1 true WO2019062974A1 (fr) 2019-04-04

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PCT/CN2018/108809 WO2019062974A1 (fr) 2017-09-30 2018-09-29 Connecteur de charge, véhicule et système de charge

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CN (1) CN207931502U (fr)
HK (1) HK1246074A2 (fr)
WO (1) WO2019062974A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11935672B2 (en) 2021-07-30 2024-03-19 Aptiv Technologies AG Power cable assembly for a power distribution system having an integrated cooling system

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109600960B (zh) * 2017-09-30 2020-12-25 比亚迪股份有限公司 车辆的充电装置以及车辆
US10756498B1 (en) * 2019-03-22 2020-08-25 Te Connectivity Corporation Terminal heat exchanger for an electrical connector
US11180044B2 (en) 2019-06-14 2021-11-23 Honda Motor Co., Ltd. Electric vehicle cooling system
CN114731012A (zh) * 2019-11-25 2022-07-08 株式会社藤仓 带线缆的供电连接器
CN113091378A (zh) * 2021-04-19 2021-07-09 江苏镭神智造科技有限公司 一种直流充电枪冷却装置

Citations (4)

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Publication number Priority date Publication date Assignee Title
JP2000115915A (ja) * 1998-09-30 2000-04-21 Harness Syst Tech Res Ltd 電気自動車充電用コネクタ装置
CN101522459A (zh) * 2006-09-29 2009-09-02 丰田自动车株式会社 车辆充电系统、车辆充电装置及电动车辆
CN106104949A (zh) * 2014-02-05 2016-11-09 特斯拉汽车公司 充电线缆的冷却
CN106347166A (zh) * 2016-11-22 2017-01-25 飞洲集团有限公司 一种电动车辆的整体冷却充电装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000115915A (ja) * 1998-09-30 2000-04-21 Harness Syst Tech Res Ltd 電気自動車充電用コネクタ装置
CN101522459A (zh) * 2006-09-29 2009-09-02 丰田自动车株式会社 车辆充电系统、车辆充电装置及电动车辆
CN106104949A (zh) * 2014-02-05 2016-11-09 特斯拉汽车公司 充电线缆的冷却
CN106347166A (zh) * 2016-11-22 2017-01-25 飞洲集团有限公司 一种电动车辆的整体冷却充电装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11935672B2 (en) 2021-07-30 2024-03-19 Aptiv Technologies AG Power cable assembly for a power distribution system having an integrated cooling system

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CN207931502U (zh) 2018-10-02
HK1246074A2 (zh) 2018-08-31

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