CN112260005A - High-power connector of lithium ion power battery pack - Google Patents

High-power connector of lithium ion power battery pack Download PDF

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Publication number
CN112260005A
CN112260005A CN202011101519.0A CN202011101519A CN112260005A CN 112260005 A CN112260005 A CN 112260005A CN 202011101519 A CN202011101519 A CN 202011101519A CN 112260005 A CN112260005 A CN 112260005A
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CN
China
Prior art keywords
charging
battery pack
gun
plug
male
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
CN202011101519.0A
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Chinese (zh)
Inventor
高洁
姚晓青
徐勇
华晓鸣
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Jiangsu Chaodian New Energy Technology Development Co ltd
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Jiangsu Chaodian New Energy Technology Development Co ltd
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 Jiangsu Chaodian New Energy Technology Development Co ltd filed Critical Jiangsu Chaodian New Energy Technology Development Co ltd
Priority to CN202011101519.0A priority Critical patent/CN112260005A/en
Publication of CN112260005A publication Critical patent/CN112260005A/en
Withdrawn legal-status Critical Current

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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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • 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
    • H01R13/02—Contact members
    • H01R13/04—Pins or blades for co-operation with sockets
    • 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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • 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
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
    • H02J7/60—
    • H02J7/70—

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention belongs to the technical field of quick charging equipment of a lithium ion power battery pack, and relates to a high-power connector of the lithium ion power battery pack, which comprises a charging plug gun, wherein the charging plug gun is connected with one end of a charging socket in a matching way, the other end of the charging socket is connected with a male plug through a positive connecting wire and a negative connecting wire, and the male plug is connected with a female plug in a matching way; the charging electric insertion gun comprises a handle and a gun head connected to the handle, the handle is provided with a clamping tongue and a button which are mutually linked, and after the gun head is connected with the charging socket in a guiding and matching manner, the clamping tongue is clamped into a clamping groove of the charging socket; and a male low potential communication terminal and a male high potential communication terminal of the charging socket are correspondingly matched with a female low potential communication terminal and a female high potential communication terminal which are arranged in the gun head of the charging gun in an inserting manner.

Description

High-power connector of lithium ion power battery pack
Technical Field
The invention belongs to the technical field of quick charging equipment of a lithium ion power battery pack, and relates to a high-power connector of the lithium ion power battery pack.
Background
With the development of electronic technology, lithium ion batteries are widely applied to the fields of 3C digital products, electric tools, electric vehicles, unmanned aerial vehicles and the like due to the advantages of small size, light weight, high energy density, long service life and the like. In recent years, lithium ion batteries have been increasingly well played in the power market, so that attention to the lithium ion batteries is continuously rising, but connectors in the market at present are charged at high voltage and low current and low power, and cannot be matched with the connectors to meet the high-power charging requirement of the lithium ion batteries at high current and low voltage. The use of the connector not only suppresses the competitive advantage of the lithium ion power battery in the market, but also greatly restricts the development of the lithium ion power battery. According to the situation, the high-power connector of the lithium ion power battery pack is specially provided.
Disclosure of Invention
The invention aims at the problems and provides a high-power connector of a lithium ion power battery pack, which can effectively ensure the stability and safety of charging, realize the quick charging of the lithium ion power battery pack and improve the safety performance of charging.
According to the technical scheme of the invention: the utility model provides a high-power connector of lithium ion power battery group which characterized in that: the charging device comprises a charging plug gun, wherein the charging plug gun is connected with one end of a charging socket in a matching manner, the other end of the charging socket is connected with a male plug through a positive connecting wire and a negative connecting wire, and the male plug is connected with a female plug in a matching manner;
the charging electric insertion gun comprises a handle and a gun head connected to the handle, the handle is provided with a clamping tongue and a button which are mutually linked, and after the gun head is connected with the charging socket in a guiding and matching manner, the clamping tongue is clamped into a clamping groove of the charging socket;
and a male low potential communication terminal and a male high potential communication terminal of the charging socket are correspondingly matched with a female low potential communication terminal and a female high potential communication terminal which are arranged in the gun head of the charging gun in an inserting manner.
As a further improvement of the invention, a waterproof brim is arranged outside the clamping tongue.
As a further improvement of the invention, the casing of the gun head of the charging gun comprises an arc part and a straight edge part integrally connected with the arc part, and the clamping tongue is arranged at the upper end of the straight edge part; the connecting portion of the socket that charges and the rifle head casing phase-match that inserts the rifle to realize the direction and connect.
As a further improvement of the invention, the male terminal and the male terminal of the charging socket are correspondingly and cooperatively connected with the female terminal and the female terminal of the gun head of the charging gun, and the male terminal ground terminal of the charging socket is correspondingly and cooperatively connected with the female terminal ground terminal of the gun head of the charging gun.
As a further improvement of the invention, the charging socket is rotatably provided with a waterproof cover, and the waterproof cover is provided with a convex structure corresponding to the outer side plane of the male terminal.
As a further improvement of the present invention, positioning holes are respectively disposed at four corners of the charging socket.
As a further improvement of the invention, the positive connecting wire and the negative connecting wire are both tin silica gel flexible wires.
As a further improvement of the invention, the female plug is inserted into the lithium ion power battery pack housing in use.
As a further improvement of the invention, the waterproof cover adopts a spring rebound structure.
As a further improvement of the invention, a snap spring is arranged in the female terminal so as to realize stable plug-in connection with the male terminal.
The invention has the technical effects that: the charging insertion gun and the charging socket shell are compact in structural design and connected through the clamp spring, so that gun base separation caused by interface loosening and personnel misoperation can be effectively avoided, and the stability and safety of charging are fully guaranteed. The metal connecting terminals are designed to realize the quick charging of the lithium ion power battery pack through a large-current low-voltage charging mode by the aid of the current of 30-200A. The communication terminal is added in the invention, so that the charger and the battery are connected in real time, and the charger controls the charging of the battery pack by judging the basic information of the battery pack, thereby further improving the charging safety performance.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the charging gun of the present invention.
Fig. 3 is a schematic structural diagram of the charging socket of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
Fig. 1 to 3 include a charging electric gun 1, a female terminal 11, a female positive terminal 111, a female negative terminal 112, a female high-potential communication terminal 113, a female low-potential communication terminal 114, a female ground terminal 115, a snap spring 116, a handle 12, a button 13, a latch 14, a charging socket 2, a male terminal 21, a male positive terminal 211, a male negative terminal 212, a male high-potential communication terminal 213, a male low-potential communication terminal 214, a male ground terminal 215, a waterproof cover 22, a protrusion 221, and the like.
As shown in fig. 1 to 3, the invention relates to a high-power connector for a lithium ion power battery pack, which comprises a charging plug gun 1, wherein the charging plug gun 1 is connected with one end of a charging socket 2 in a matching manner, the other end of the charging socket 2 is connected with a male plug 5 through a positive connecting wire 3 and a negative connecting wire 4, and the male plug 5 is connected with a female plug 6 in a matching manner. The invention can effectively meet the quick charging function of the lithium ion power battery pack and has practicability.
The charging electric insertion gun 1 comprises a handle 12 and a gun head connected to the handle 12, the handle 12 is provided with a clamping tongue 14 and a button 13 which are mutually linked, and after the gun head is connected with the charging socket 2 in a guiding matching mode, the clamping tongue 14 is clamped into a clamping groove 23 of the charging socket 2. When production, the degree of depth of draw-in groove 23 adopts 3mm, can be in order effectively to realize preventing the mistake and draw the operation, realize charging electric gun 1 and the function of charging socket 2 fastening connection, avoid personnel mistake plug and the charging process in charge electric gun 1 and the unexpected pine of charging socket 2 to take off to guarantee charge efficiency and security.
The male low potential communication terminal 214 and the male high potential communication terminal 213 of the charging socket 2 are correspondingly plugged and matched with the female low potential communication terminal 114 and the female high potential communication terminal 113 which are arranged in the gun head of the charging gun 1, so that communication transmission between the battery pack and the charger is realized, and the charging safety is enhanced.
The outer side of the clamping tongue 14 is provided with a waterproof brim to protect the part of the clamping tongue 14. When in use, the operating button 13 is operated to realize the operation adjustment of lifting and clamping the clamping tongue 14.
The casing of the gun head of the charging electric gun 1 comprises an arc part and a straight edge part integrally connected with the arc part, and the clamping tongue 14 is arranged at the upper end of the straight edge part; the connecting part of the charging socket 2 is matched with the gun head shell of the charging insertion gun 1 so as to realize guiding connection.
The male terminal negative electrode 212 and the male terminal positive electrode 211 of the charging socket 2 are correspondingly and cooperatively connected with the female terminal negative electrode 112 and the female terminal positive electrode 111 built in the gun head of the charging gun 1, and the male terminal ground terminal 215 of the charging socket 2 is correspondingly and cooperatively connected with the female terminal ground terminal 115 built in the gun head of the charging gun 1.
The socket 2 that charges rotates and sets up waterproof cover 22, and waterproof cover 22 is equipped with the protruding structure 221 corresponding with public end binding post 21 outside plane, and waterproof cover 22 adopts the spring structure of kick-backing, can effectively prevent that liquid from splattering to get into the terminal and causing the short circuit, also can prevent personnel's mistake contact and electrocute, improves the safety in utilization, and it is corresponding with public end binding post 21 plane through protruding structure 221, further strengthens waterproof performance. Protruding structure 221 includes the shape and charges the protruding muscle that socket 2 corresponds to the connecting portion hole shape unanimity of public end binding post 21 side end face, and the back is closed to waterproof cover 22 lid, and the protruding muscle matches in the inner wall of connecting portion, realizes sealedly, in order to ensure the firm of protruding muscle structure, sets up the brace rod in protruding muscle inside.
The four corners of the charging socket 2 are respectively provided with positioning holes 24, and the specification of the positioning holes 24 is M3-M8.
The positive connecting wire 3 and the negative connecting wire 4 both adopt 4-25 mm tin silica gel flexible wires, preferably 10mm tin silica gel flexible wires, which ensure that they have sufficient overcurrent capacity.
The female plug 6 is inserted into the lithium ion power battery pack housing in use.
Female end binding post 11 is inside to set up jump ring 116 to realize being connected with the firm plug of public end binding post 21, when using, can bear 4000 plug numbers, satisfy the requirement to the number of times that charges, and when using, female end binding post 11's outside terminal surface is less than the rifle head terminal surface 5mm that charges electric rifle 1, avoids personnel's electric shock occurence of failure in order to guarantee in the operation process. The female terminal wiring terminal 11 has an independent cabin space, and can effectively prevent water from entering the positive electrode and the negative electrode simultaneously to cause short circuit.

Claims (10)

1.一种锂离子动力电池组大功率连接器，其特征在于：包括充电插枪（1），充电插枪（1）与充电插座（2）的一端配合连接，充电插座（2）的另一端通过正极连接线（3）、负极连接线（4）连接公插头（5），所述公插头（5）配合连接母插头（6）；1. A high-power connector for a lithium-ion power battery pack, characterized in that it comprises a charging plug-in gun (1), the charging plug-in gun (1) is cooperatively connected with one end of the charging socket (2), and the other end of the charging socket (2) is connected. One end is connected to the male plug (5) through the positive connecting wire (3) and the negative connecting wire (4), and the male plug (5) is matched with the female plug (6); 充电插枪（1）包括手柄（12）及连接于手柄（12）上的枪头，手柄（12）设置有相互联动的卡舌（14）与按钮（13），枪头与充电插座（2）导向配合连接后，卡舌（14）卡入充电插座（2）的卡槽（23）内；The charging plug-in gun (1) includes a handle (12) and a gun head connected to the handle (12). ) After the guide is connected, the tab (14) is snapped into the slot (23) of the charging socket (2); 充电插座（2）的公端低电位通讯端子（214）、公端高电位通讯端子（213）与充电插枪（1）的枪头内置的母端低电位通讯端子（114）、母端高电位通讯端子（113）对应插接配合。The male low-potential communication terminal (214) and the male high-potential communication terminal (213) of the charging socket (2) and the female low-potential communication terminal (114) built into the head of the charging plug (1), the female high-potential communication terminal (114), The potential communication terminal (113) corresponds to the plug-in matching. 2.如权利要求1所述的锂离子动力电池组大功率连接器，其特征在于：所述卡舌（14）外侧设置防水帽檐。2 . The high-power connector for a lithium-ion power battery pack according to claim 1 , wherein a waterproof brim is provided on the outer side of the tab ( 14 ). 3 . 3.如权利要求1所述的锂离子动力电池组大功率连接器，其特征在于：所述充电插枪（1）的枪头的壳体包括圆弧部及与圆弧部一体连接的直边部，卡舌（14）设置于直边部的上端；充电插座（2）的连接部与充电插枪（1）的枪头壳体相匹配，以实现导向连接。3. The high-power connector for a lithium-ion power battery pack according to claim 1, characterized in that: the shell of the gun head of the charging plug-in gun (1) comprises a circular arc portion and a straight line integrally connected with the circular arc portion. In the side part, the tab (14) is arranged on the upper end of the straight side part; the connection part of the charging socket (2) is matched with the gun head shell of the charging plug-in gun (1), so as to realize the guiding connection. 4.如权利要求1所述的锂离子动力电池组大功率连接器，其特征在于：所述充电插座（2）的公端负极端子（212）、公端正极端子（211）与充电插枪（1）的枪头内置的母端负极端子（112）、母端正极端子（111）对应配合连接，充电插座（2）的公端接地端子（215）与充电插枪（1）的枪头内置的母端接地端子（115）对应配合连接。4. The high-power connector for a lithium-ion power battery pack according to claim 1, characterized in that: the male negative terminal (212), the male positive terminal (211) and the charging plug of the charging socket (2) The female negative terminal (112) and the female positive terminal (111) built into the gun head of (1) are matched and connected correspondingly. The built-in female ground terminal (115) corresponds to the mating connection. 5.如权利要求1所述的锂离子动力电池组大功率连接器，其特征在于：所述充电插座（2）转动设置防水盖（22），防水盖（22）设有与公端接线端子（21）外侧平面相对应的凸起结构（221）。5. The high-power connector for a lithium-ion power battery pack according to claim 1, wherein the charging socket (2) is rotatably provided with a waterproof cover (22), and the waterproof cover (22) is provided with a connection terminal with a male terminal (21) The convex structure (221) corresponding to the outer plane. 6.如权利要求1所述的锂离子动力电池组大功率连接器，其特征在于：所述充电插座（2）的四角分别设置定位孔（24）。6 . The high-power connector for a lithium-ion power battery pack according to claim 1 , characterized in that: four corners of the charging socket ( 2 ) are respectively provided with positioning holes ( 24 ). 7 . 7.如权利要求1所述的锂离子动力电池组大功率连接器，其特征在于：所述正极连接线（3）、负极连接线（4）均采用锡质硅胶软线。7 . The high-power connector for a lithium-ion power battery pack according to claim 1 , wherein the positive electrode connecting wire ( 3 ) and the negative electrode connecting wire ( 4 ) are all made of tin silicone soft wires. 8 . 8.如权利要求1所述的锂离子动力电池组大功率连接器，其特征在于：所述母插头（6）在使用时嵌入锂离子动力电池组外壳。8 . The high-power connector for a lithium-ion power battery pack according to claim 1 , wherein the female plug ( 6 ) is embedded in the casing of the lithium-ion power battery pack when in use. 9 . 9.如权利要求5所述的锂离子动力电池组大功率连接器，其特征在于：所述防水盖（22）采用弹簧回弹结构。9 . The high-power connector for a lithium-ion power battery pack according to claim 5 , wherein the waterproof cover ( 22 ) adopts a spring rebound structure. 10 . 10.如权利要求1所述的锂离子动力电池组大功率连接器，其特征在于：所述母端接线端子（11）内部设置卡簧，以实现与公端接线端子（21）稳固插拔连接。10. The high-power connector for a lithium-ion power battery pack according to claim 1, wherein a snap spring is provided inside the female terminal (11) to realize stable insertion and removal with the male terminal (21). connect.
CN202011101519.0A 2020-10-15 2020-10-15 High-power connector of lithium ion power battery pack Withdrawn CN112260005A (en)

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CN202011101519.0A CN112260005A (en) 2020-10-15 2020-10-15 High-power connector of lithium ion power battery pack

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115441281A (en) * 2022-09-29 2022-12-06 湖北亿纬动力有限公司 Connector and battery pack

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110260684A1 (en) * 2008-11-25 2011-10-27 Xioa Xiaofeng Charging device for electric drivable vehicle
CN102237619A (en) * 2010-04-30 2011-11-09 河南天海电器有限公司 Conduction type charging connector for electric vehicle
CN109301929A (en) * 2018-11-29 2019-02-01 邱宇鹏 A kind of external connection battery is switched fast charging system
CN210897789U (en) * 2019-11-06 2020-06-30 深圳市奥昇汽车零部件科技有限公司 Charging seat on electric tricycle and charging gun for charging seat

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110260684A1 (en) * 2008-11-25 2011-10-27 Xioa Xiaofeng Charging device for electric drivable vehicle
CN102237619A (en) * 2010-04-30 2011-11-09 河南天海电器有限公司 Conduction type charging connector for electric vehicle
CN109301929A (en) * 2018-11-29 2019-02-01 邱宇鹏 A kind of external connection battery is switched fast charging system
CN210897789U (en) * 2019-11-06 2020-06-30 深圳市奥昇汽车零部件科技有限公司 Charging seat on electric tricycle and charging gun for charging seat

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115441281A (en) * 2022-09-29 2022-12-06 湖北亿纬动力有限公司 Connector and battery pack

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Application publication date: 20210122