WO2020177759A1 - Connecteur électrique, élément de connexion enfichable pour réfrigérant, extrémité d'insertion et extrémité de réception - Google Patents

Connecteur électrique, élément de connexion enfichable pour réfrigérant, extrémité d'insertion et extrémité de réception Download PDF

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Publication number
WO2020177759A1
WO2020177759A1 PCT/CN2020/078134 CN2020078134W WO2020177759A1 WO 2020177759 A1 WO2020177759 A1 WO 2020177759A1 CN 2020078134 W CN2020078134 W CN 2020078134W WO 2020177759 A1 WO2020177759 A1 WO 2020177759A1
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WO
WIPO (PCT)
Prior art keywords
connector
refrigerant
plug
electrical
valve
Prior art date
Application number
PCT/CN2020/078134
Other languages
English (en)
Chinese (zh)
Inventor
张建平
黄春华
Original Assignee
奥动新能源汽车科技有限公司
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
Priority claimed from CN201910167826.XA external-priority patent/CN111668433A/zh
Priority claimed from CN201910168147.4A external-priority patent/CN111677952B/zh
Application filed by 奥动新能源汽车科技有限公司 filed Critical 奥动新能源汽车科技有限公司
Publication of WO2020177759A1 publication Critical patent/WO2020177759A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L29/00—Joints with fluid cut-off means
    • F16L29/04—Joints with fluid cut-off means with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
    • H01R27/02—Coupling parts adapted for co-operation with two or more dissimilar counterparts for simultaneous co-operation with two or more dissimilar counterparts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the invention relates to the field of electric vehicles, in particular to an electrical connector and its refrigerant plug, insertion end and receiving end, and also to a battery pack and quick-change bracket containing the electrical connector, and an electric vehicle containing them.
  • the energy acquisition of electric vehicles mainly includes two methods: charging and switching. Since the power exchange method can realize the rapid supply of electric energy, reduce the waiting time of customers and improve the utilization rate of the power exchange station. In addition, the battery can be charged centrally at night, realizing the "peak shaving and energy storage" of the electric load. At the same time, the comprehensive utilization efficiency of power equipment is improved, and the service life of the battery is prolonged, which has high promotion value and economic significance.
  • the first solution is to increase the power of the battery pack, but the cost of the vehicle and the actual charging of the vehicle are more prominent.
  • the battery pack can also be replaced by quick change, which is the traditional fuel vehicle refueling mode.
  • the current quick change battery pack replacement speed is faster than the refueling mode, and can greatly reduce the cost of electric vehicles.
  • the battery pack generates a lot of heat during use. Therefore, it is necessary to cool the battery pack by means of water cooling.
  • the interface between the water cooling pack and the battery pack is usually set separately from the electrical connection interface of the battery pack to facilitate the water cooling pack or The battery pack is replaced separately, but this separate arrangement greatly increases the manufacturing cost of the quick-change assembly of the electric vehicle.
  • the cooling pipe provided on the quick-change battery pack is connected to the cooling system on the electric vehicle, and the circulation of the coolant is used to realize the heat balance of the quick-change battery pack.
  • the current quick-change battery pack and the plug-in structure on the quick-change bracket assembly are not perfect in liquid tightness, and dripping and leakage may occur, which may cause safety hazards such as electric leakage.
  • the current connectors also have some problems in the butt positioning, which are prone to problems such as misplaced insertion.
  • the present invention provides an electrical connector and its refrigerant plug, insertion end and receiving end, as well as a battery pack and quick-change bracket containing the electrical connector, and Electric vehicles containing them.
  • An electrical connector insertion end which includes: a mounting seat;
  • the mounting base is provided with an electrical connection portion and a refrigerant connection portion, the refrigerant connection portion and the electrical connection portion are located on the same side of the mounting base, the electrical connection portion is used for power connection and signal transmission, the refrigerant The connection part is used for communicating the cooling medium.
  • a refrigerant plug connector comprising: a joint valve core, a joint valve plug, a joint valve housing, and a joint elastic member; one end of the joint valve housing is an open end, and the open end is used to receive a refrigerant plug Plug; the joint valve core is fixed inside the joint valve housing, and a refrigerant channel is formed between the open end and the joint valve housing; the joint valve plug is arranged around the joint valve core, And can reciprocate between an open position to open the refrigerant passage and a closed position to close the refrigerant passage; the joint elastic member biases the joint valve plug in a direction that moves toward the closed position Connector valve plug.
  • the positive improvement effect of the present invention is that the insertion end of the electrical connector integrates the electrical connection part and the refrigerant connection part together, which facilitates manufacturing and reduces the manufacturing cost of the electrical connector.
  • the liquid tightness of the refrigerant plug joint is relatively good, so that risks such as liquid dripping are not easily generated.
  • Fig. 1 is a schematic diagram of a three-dimensional structure of an insertion end of an electrical connector according to a preferred embodiment of the present invention.
  • Fig. 2 is another three-dimensional structural diagram of the insertion end of the electrical connector according to the preferred embodiment of the present invention.
  • Fig. 3 is a schematic diagram of a three-dimensional structure of a refrigerant plug according to a preferred embodiment of the present invention.
  • Fig. 4 is a schematic cross-sectional structure diagram of a refrigerant connector according to a preferred embodiment of the present invention.
  • Fig. 5 is another schematic cross-sectional structure diagram of the refrigerant connector according to the preferred embodiment of the present invention, wherein the refrigerant connector is in a normally connected state.
  • Fig. 6 is another cross-sectional structural diagram of the refrigerant connector according to the preferred embodiment of the present invention, in which the refrigerant connector is in an extreme insertion state.
  • Fig. 7 is a schematic diagram of a three-dimensional structure of a receiving end of an electrical connector according to a preferred embodiment of the present invention.
  • Fig. 8 is another three-dimensional structural diagram of the receiving end of the electrical connector according to the preferred embodiment of the present invention.
  • Fig. 9 is a three-dimensional structural diagram of an electrical connector according to a preferred embodiment of the present invention.
  • Fig. 10 is a schematic cross-sectional structure diagram of an electrical connector according to a preferred embodiment of the present invention.
  • Fig. 11 is a schematic diagram of a three-dimensional structure of a battery pack according to a preferred embodiment of the present invention.
  • Fig. 12 is a three-dimensional structural diagram of a quick-change bracket according to a preferred embodiment of the present invention.
  • Fig. 13 is a structural diagram of a battery pack installed on a quick-change bracket according to a preferred embodiment of the present invention.
  • refrigerant connector 10 refrigerant connector connector 20; connector valve core 21; connector valve plug 22; connector valve housing 23; open end 231; refrigerant passage 232; step surface 233; first flow port 24; joint elastic member 25; first sealing member 26; second sealing member 27; insertion groove 271; sealing convex ring 272; refrigerant plug connector 30; plug valve core 31; plug valve housing 32; insertion end 321; Limiting surface 322; second circulation port 323; plug elastic 33; electrical connector 40; electrical connection portion 41; refrigerant connection portion 42; electrical connector insertion end 50; mounting base 51; electrical connection portion 52; high voltage terminal 521 Low-voltage signal terminal 522; refrigerant connection portion 53; water inlet 531; water outlet 532; first groove 54; second groove 55; positioning pin 56; electrical connector receiving end 60; jack 61; battery pack 70; Quick change bracket 80;
  • FIG. 1 is a schematic diagram of a three-dimensional structure of an insertion end 50 of an electrical connector according to this embodiment.
  • FIG. 2 shows the electrical connector insertion end 50 viewed from the opposite side of FIG. 1.
  • the electrical connector insertion end 50 includes a mounting seat 51.
  • the mounting base 51 is provided with an electrical connection portion 52 and a refrigerant connection portion 53, the refrigerant connection portion 53 and the electrical connection portion 52 are located on the same side of the mounting base 51, the electrical connection portion 52 is used for power connection and signal transmission, and the refrigerant connection portion 53 is used for Connect the cooling medium.
  • the cooling medium can be a liquid such as water, ethylene glycol, or air-conditioning hot and cold gas.
  • the refrigerant connection portion 53 is located on both sides of the electrical connection portion 52.
  • those skilled in the art may also provide the refrigerant connection portion 53 on the same side of the electrical connection portion 52 instead of on both sides.
  • the refrigerant connection portion 53 is provided on both sides of the electrical connection portion 52 in the longitudinal direction of the mounting base 51.
  • the refrigerant connection portion 53 may also be provided in the electrical connection in the vertical direction of the mounting base 51. Section 52 on both sides.
  • the mounting portion is provided with a connecting surface, the connecting surface is provided with a first groove 54 and a second groove 55, the electrical connecting portion 52 is arranged in the first groove 54, and the refrigerant connecting portion 53 is arranged in the second groove 55.
  • Different grooves are provided to separate the electrical connection portion 52 and the refrigerant connection portion 53. In this way, even if the refrigerant connection portion 53 has accidents such as liquid leakage, it can be avoided to affect the electrical connection portion 52 and cause the electrical connection portion. 52 short circuit or leakage.
  • the refrigerant connection part 53 includes a water inlet 531 and a water outlet 532.
  • the water inlet 531 and the water outlet 532 are respectively provided on both sides of the electrical connection part 52.
  • the cooling medium enters from the water inlet 531 and flows out from the water outlet 532.
  • the electrical connection part 52 includes a low-voltage signal terminal 522 and a high-voltage terminal 521.
  • the height of the low-voltage signal terminal 522 is lower than that of the high-voltage terminal 521.
  • High and low voltage electrical appliances can use the principle of low voltage to control high voltage during the automatic connection process to ensure the safe and reliable connection of high and low voltage points.
  • Low voltage control high voltage The height of the low voltage signal terminal 522 is lower than the high voltage terminal 521.
  • the high voltage terminal 521 can be contacted and energized; when removing the battery
  • the low-voltage terminal is disconnected before the high-voltage terminal 521, that is, the low-voltage is disconnected first, that is, the high-voltage forced power-off is controlled to avoid the high-voltage electric arc during the splitting process.
  • the electrical connection part 52 further includes a positioning pin 56.
  • the positioning pin 56 is used for positioning the insertion position of the insertion end 50 of the electrical connector to ensure insertion accuracy.
  • the refrigerant connecting portion 53 includes a refrigerant connector plug or a refrigerant connector connector. If the refrigerant connecting portion 53 is provided with a refrigerant plug, the electrical connector receiving end 60 is provided with a corresponding refrigerant plug connector. If the refrigerant connecting portion 53 is provided with a refrigerant plug connector, the electrical connector receiving end 60 is provided with a corresponding refrigerant plug connector.
  • FIGS 3-6 illustrate the refrigerant connector 10 of this embodiment.
  • the refrigerant connector 10 includes a refrigerant connector connector 20 and a refrigerant connector plug 30.
  • the refrigerant plug connector 20 and the refrigerant plug plug 30 can cooperate with each other to achieve liquid communication.
  • the refrigerant may be a liquid such as water, ethylene glycol, or air-conditioning hot and cold gas.
  • the refrigerant plug connector 20 includes a connector valve core 21, a connector valve plug 22, a connector valve housing 23, and a connector elastic member 25.
  • One end of the joint valve housing 23 is an open end 231, and the open end 231 is used to receive a refrigerant plug.
  • the joint valve core 21 is fixed inside the joint valve housing 23, and a refrigerant channel 232 is formed between the open end 231 and the joint valve housing 23.
  • the joint valve core 21 is fixed to the inside of the joint valve housing 23 through a threaded connection.
  • the end of the joint valve core 21 is provided with an external thread, and the inside of the joint valve housing 23 is provided with a threaded hole, and the joint valve core 21 is threadedly engaged in the threaded hole.
  • the joint valve core may also be fixed inside the joint valve housing by means of welding, bonding, or the like.
  • the joint valve plug 22 is arranged around the joint spool 21 and can reciprocate between an open position where the refrigerant passage 232 is opened and a closed position where the refrigerant passage 232 is closed.
  • the joint elastic member 25 biases the joint valve plug 22 in a direction that causes the joint valve plug 22 to move toward the closed position.
  • the joint elastic member 25 is a spring. In other embodiments, other suitable elastic members can also be selected.
  • the joint valve housing 23 is provided with a first circulation port 24, and the cooling liquid enters or flows out of the inner cavity of the joint valve housing 23 from the first circulation port 24.
  • the refrigerant plug connector 30 includes a plug valve core 31, a plug valve housing 32, and a plug elastic member 33.
  • the insertion end 321 of the plug valve housing 32 is open.
  • the plug valve core 31 is disposed inside the plug valve housing 32 and can reciprocate between a first position that opens the opening of the insertion end 321 and a second position that closes the opening of the insertion end 321.
  • the plug elastic member 33 biases the plug valve core 31 in a direction that causes the plug valve core 31 to move toward the second position.
  • the insertion end 321 is used to insert the open end 231.
  • the plug elastic member 33 is a spring. In other embodiments, other suitable elastic members may also be selected.
  • An insertion hole is provided in the plug valve housing 32, the plug spool 31 is slidably inserted into the insertion hole, and the spring is sleeved on the plug spool 31 and abuts against the plug valve housing 32 and the plug spool 31 between.
  • a second circulation port 323 is provided in the plug valve housing 32, and the cooling liquid enters or flows out of the inner cavity of the plug valve housing 32 from the second circulation port 323.
  • the refrigerant connector plug 30 when the refrigerant connector 10 is normally connected, the refrigerant connector plug 30 is inserted into the refrigerant connector connector 20, and the insertion end 321 of the plug valve housing 32 of the refrigerant connector plug 30 abuts against the refrigerant connector
  • the connector valve plug 22 of the connector connector 20 makes the connector valve plug 22 move toward the open position against the elastic force of the connector elastic member 25, the refrigerant passage 232 is opened, and at the same time, the connector valve core 21 of the refrigerant connector connector 20 abuts against the refrigerant plug
  • the plug spool 31 of the connector plug 30 moves the plug spool 31 toward the first position to open the opening of the insertion end 321.
  • the opening of the insertion end 321 and the refrigerant passage 232 are opened at the same time, the refrigerant connector connector 20 and the refrigerant connector plug 30 are in communication with each other, so that the coolant (refrigerant) flows out or flows into the battery pack through the refrigerant connector 10 Battery pack.
  • the refrigerant plug 10 realizes fluid communication through two-way extrusion, and realizes that each has a self-locking function but can be automatically communicated when connected, but does not drip when disassembled.
  • the refrigerant plug connector 20 further includes a first seal 26, which is provided between the outer circumference of the connector valve plug 22 and the inner wall of the connector valve housing 23.
  • the sealing performance between the joint valve plug 22 and the inner wall of the joint valve housing 23 is strengthened.
  • the inner wall of the joint valve housing 23 is provided with a groove, and the first sealing member 26 is arranged in the groove.
  • the first seal 26 is an O-ring.
  • the end surface of the connector plug 22 facing the open end 231 is provided with a second seal 27.
  • the second sealing member 27 extends toward the inner peripheral surface of the joint valve plug 22 to seal the gap between the joint valve plug 22 and the joint valve core 21.
  • the second sealing member 27 can not only strengthen the sealing member between the refrigerant connector connector 20 and the refrigerant connector plug 30, but also enhance the sealing performance between the connector valve core 21 and the connector valve plug 22, achieving two goals.
  • the second sealing member 27 is sleeved on the end of the joint valve plug 22 facing the open end 231.
  • the second sealing member 27 is arranged in the form of a kit for easy installation.
  • the second sealing member 27 has an annular structure and is provided with an insertion groove 271 and a sealing convex ring 272.
  • the end of the joint valve plug 22 facing the open end 231 is provided with an insertion portion for engaging the insertion groove 271, and the sealing convex ring 272 is arranged in the insertion groove The opposite side of 271.
  • the second sealing member 27 is provided with at least two sealing convex rings 272.
  • the two sealing convex rings 272 can achieve two seals to ensure the seal between the refrigerant plug connector 20 and the refrigerant plug connector 30 when they are joined.
  • the end of the joint valve core 21 facing the open end 231 has a tapered structure and tapers toward the inside of the joint valve housing 23. In this way, a tapered refrigerant passage 232 is formed between the joint valve core 21 and the joint valve housing 23. In this way, the joint valve plug 22 can easily close the refrigerant passage 232.
  • a step surface 233 is provided inside the joint valve housing 23, and the step surface 233 is used to limit the moving distance of the joint valve plug 22 toward the open position.
  • the refrigerant connector plug 30 has been inserted into the extreme position of the refrigerant connector connector 20, and the connector valve plug 22 abuts against the step surface 233.
  • the outer surface of the plug valve housing 32 of the refrigerant connector plug 30 of this embodiment is also provided with a limit surface 322, which abuts against the end of the connector valve housing 23 to avoid the refrigerant plug plug 30 Over-insertion.
  • the inner peripheral surface of the open end 231 of the joint valve housing 23 is provided with an inclined guide surface.
  • the outer peripheral surface of the insertion end 321 is provided with an inclined guide structure, and the inclined guide structure is adapted to the inclined guide surface.
  • the refrigerant plug connector 30 is easily and accurately inserted into the refrigerant plug connector 20.
  • Figures 7-8 illustrate the electrical connector receiving end 60 of this embodiment.
  • the electrical connector receiving end 60 is adapted to the electrical connector inserting end 50 as described above.
  • the electrical connector receiving end 60 is provided with mating terminals corresponding to the low voltage signal terminal 522 and the high voltage terminal 521 of the electrical connector insertion end 50.
  • a socket 61 corresponding to the positioning pin 56 is provided for positioning the insertion end 50 of the electrical connector.
  • the electrical connector 40 includes the electrical connector insertion end 50 as above and the electrical connector receiving end 60 as above.
  • the electrical connector 40 realizes electrical communication and cooling medium communication.
  • the electrical connector 40 further includes an electrical connection portion 41 and a refrigerant connection portion 42, and the refrigerant connection portion 42 includes the refrigerant connector 10 as described above.
  • the electrical connector 40 includes an electrical connector insertion end 50 and an electrical connector receiving end 60.
  • the electrical connector insertion end 50 is provided with one of a refrigerant connector plug 30 and a refrigerant connector connector 20, and the electrical connector receiving end 60 The other of the refrigerant plug connector 30 and the refrigerant plug connector 20 is provided therein.
  • the use of the above-mentioned refrigerant plug 10 in the electrical connector 40 can improve its own liquid tightness and prevent the occurrence of liquid dripping and causing short circuit or leakage of the electrical connector 40.
  • FIG. 11 illustrates the battery pack 70 of this embodiment, and the battery pack 70 includes the electrical connector receiving end 60 as above.
  • the battery pack 70 includes a casing.
  • a cooling medium channel is provided in the bottom plate of the casing.
  • the cooling medium connecting portion 53 leads to the cooling medium channel.
  • the water inlet 531 and the water outlet 532 lead to the cooling medium channel.
  • the refrigerant passage may be a serpentine passage or an annular passage formed integrally with the housing.
  • the refrigerant channel may also be a serpentine channel or an annular channel formed between two plates, and the two plates constitute the bottom plate of the housing.
  • FIG. 12 illustrates the quick-change bracket 80 of this embodiment, and the quick-change bracket 80 includes the electrical connector insertion end 50 as above.
  • the electrical connector insertion end 50 is adapted to the electrical connector receiving end 60 of the battery pack 70, so that the battery pack 70 is installed on the quick-change bracket 80 and water and electricity are connected.
  • This embodiment also provides an electric vehicle, which includes the above battery pack 70 and the above quick-change bracket 80.
  • the electrical connector insertion end 50 integrates the electrical connection portion 52 and the refrigerant connection portion 53 together, which facilitates manufacturing, reduces the manufacturing cost of the electrical connector 40, and correspondingly reduces the receiving end, which is compatible with or includes it, The manufacturing cost of the electrical connector 40, the quick-change bracket 80, the battery pack 70, and the electric vehicle.

Abstract

L'invention concerne un connecteur électrique (40), pourvu d'une extrémité d'insertion (50) et d'une extrémité de réception (60). L'extrémité d'insertion comprend : une base de montage (51) ; une partie de raccordement électrique (41) et une partie de raccordement de réfrigérant (42). La partie de raccordement de réfrigérant et la partie de raccordement électrique sont disposées sur un même côté de la base de montage. La partie de raccordement électrique est utilisée pour le raccordement électrique et la transmission de signaux. La partie de raccordement de réfrigérant est utilisée pour communiquer avec un fluide de refroidissement. La partie de raccordement de réfrigérant est pourvue d'un connecteur (20) à élément de connexion enfichable pour réfrigérant, qui comprend un noyau de vanne de connecteur (21), une fiche de vanne de connecteur (22), un boîtier de vanne de connecteur (23) et un élément flexible de connecteur (25). L'extrémité d'insertion est adaptée à l'extrémité de réception. L'invention concerne également un élément de connexion enfichable pour réfrigérant (10) comprenant le connecteur à élément de connexion enfichable pour réfrigérant et une fiche d'élément de connexion enfichable pour réfrigérant (30) adaptée à celui-ci. L'extrémité d'insertion du connecteur électrique intègre ensemble la partie de raccordement électrique et la partie de raccordement de réfrigérant, elle est pratique à fabriquer et réduit les coûts de fabrication du connecteur électrique. Le connecteur à élément de connexion enfichable pour réfrigérant est étanche aux liquides et n'est pas sujet à des risques tels que l'égouttement et les fuites de liquide.
PCT/CN2020/078134 2019-03-06 2020-03-06 Connecteur électrique, élément de connexion enfichable pour réfrigérant, extrémité d'insertion et extrémité de réception WO2020177759A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201910167826.X 2019-03-06
CN201910167826.XA CN111668433A (zh) 2019-03-06 2019-03-06 插入端、接收端、电连接器、快换支架、电池包、电动车
CN201910168147.4A CN111677952B (zh) 2019-03-06 2019-03-06 冷媒插接件接头、冷媒插接件以及电连接器
CN201910168147.4 2019-03-06

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Publication Number Publication Date
WO2020177759A1 true WO2020177759A1 (fr) 2020-09-10

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PCT/CN2020/078134 WO2020177759A1 (fr) 2019-03-06 2020-03-06 Connecteur électrique, élément de connexion enfichable pour réfrigérant, extrémité d'insertion et extrémité de réception

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Cited By (2)

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CN114204201A (zh) * 2020-09-17 2022-03-18 奥动新能源汽车科技有限公司 快换式电池端液冷连接装置、电池包及电动汽车
CN116118574A (zh) * 2022-12-14 2023-05-16 中国第一汽车股份有限公司 液冷连接装置及具有其的电动车辆

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US5662141A (en) * 1994-06-10 1997-09-02 Faster S.R.L. Leak-resistant fluid coupling arrangement
EP1058044A1 (fr) * 1999-06-03 2000-12-06 Pascal Kabushiki Kaisha Dispositif d'accouplement
EP1262707A2 (fr) * 2001-05-29 2002-12-04 Kabushiki Kaisha Kosmek Raccord rapide
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CN114204201A (zh) * 2020-09-17 2022-03-18 奥动新能源汽车科技有限公司 快换式电池端液冷连接装置、电池包及电动汽车
CN116118574A (zh) * 2022-12-14 2023-05-16 中国第一汽车股份有限公司 液冷连接装置及具有其的电动车辆

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