CN211743597U

CN211743597U - Quick plug terminal of lithium cell

Info

Publication number: CN211743597U
Application number: CN202020201222.0U
Authority: CN
Inventors: 马吉富; 罗剑锋; 朱卫民; 包兴发; 张�浩
Original assignee: Wolong Electric Group Zhejiang Dengta Power Source Co ltd; Wolong Electric Group Co Ltd
Current assignee: Wolong Electric Group Zhejiang Dengta Power Source Co ltd; Wolong Electric Drive Group Co Ltd
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-10-23
Anticipated expiration: 2030-02-24

Abstract

The utility model discloses a lithium battery quick plugging terminal, which comprises a plastic socket, a plastic plug, a female pin inserting plate, a plurality of metal pin female heads arranged on the female pin inserting plate, a male pin inserting plate and a plurality of metal pin male heads arranged on the male pin inserting plate, wherein the female pin inserting plate and the male pin inserting plate are respectively detachably connected on the plastic socket and the plastic plug, and the metal pin male heads comprise an anode male head, a cathode male head, a monitoring male head and a communication male head; the length of the negative pole male head is larger than that of the positive pole male head, and the length of the positive pole male head is larger than that of the monitoring male head and that of the communication male head. The utility model discloses synthesize multiple type public head and the female head that corresponds in a plug terminal, the integrated level is high, and the dismouting is high-efficient. Female first faller and public first faller can dismantle respectively and connect on plastics socket and plastics plug, and the later stage maintenance of being convenient for is wherein parts with changing, and the design that part public first length is different can prevent that the battery management system that the order is in disorder probably leads to from being burnt out.

Description

Quick plug terminal of lithium cell

Technical Field

The utility model belongs to the technical field of the lithium cell, concretely relates to quick plug terminal of lithium cell.

Background

In the use of the existing communication lithium battery, a battery pack is fixedly installed, a communication base station needs to install, expand, maintain and replace the battery pack in work engineering, various plugging terminals of the battery pack generally have independent functions and are generally divided into a plurality of terminals for dispersive plugging, the plugging process is complex in operation and long in time consumption, and the battery pack is not beneficial to quick installation, expansion, maintenance and replacement. In addition, in the process of inserting and pulling a large number of terminals, if the inserting and pulling sequence of the terminals is wrong, the battery management system can be burnt out.

SUMMERY OF THE UTILITY MODEL

Based on the above-mentioned problem that exists among the prior art, the utility model aims to provide an integrated level is high, compact structure, and easy operation is quick, has to distinguish the electricity order, improves the quick plug terminal of lithium cell of battery management system security, specifically realizes through following technical scheme:

a lithium battery quick plugging terminal comprises a plastic socket, a plastic plug, a female pin inserting plate, a plurality of metal pin female heads and male pin inserting plates which are arranged on the female pin inserting plate, and a plurality of metal pin male heads which are arranged on the male pin inserting plate, wherein the female pin inserting plate and the male pin inserting plate are respectively detachably connected to the plastic socket and the plastic plug, the metal pin female heads are matched with the corresponding metal pin male heads, and the metal pin male heads comprise an anode male head, a cathode male head, a monitoring male head and a communication male head; the length of the negative pole male head is greater than that of the positive pole male head, and the length of the positive pole male head is greater than that of the monitoring male head and that of the communication male head

Optionally, female first faller and public first faller pass through back-off structure and can dismantle with plastics socket and plastics plug respectively and be connected. The installation and the dismantlement when being convenient for maintain and change can only change one or more in plastics socket, plastics plug, female first faller and the public first faller as required.

Optionally, be equipped with female first through-hole and the public first through-hole that the public first size of metal contact pin corresponds on plastics socket and the plastics plug respectively, the protruding length of the public first of metal contact pin and metal contact pin is injectd through female first through-hole and public first through-hole to the public head of metal contact pin and metal contact pin respectively to the public head of metal contact pin and metal contact pin.

Optionally, the monitoring male head comprises a temperature monitoring male head and/or a voltage monitoring male head.

Optionally, be equipped with upper portion frame and lower part frame on the plastics plug, be equipped with on the plastics socket with upper portion frame and lower part frame matched with upper portion protrusion structure and lower part protrusion structure, the upper portion frame includes the public first through-hole that public head of anodal, negative pole, public head of temperature monitoring and the public first correspondence of communication correspond, the lower part frame includes the public first through-hole that public head of voltage monitoring corresponds, female first through-hole correspondence is established in upper portion protrusion structure and lower part protrusion structure.

Optionally, the diameters of the positive male head and the negative male head are larger than the diameters of the monitoring male head and the communication male head. The positive public head of positive pole and the public first diameter of negative pole are big more, and the electric current that can flow through is big more, and the public first length of major diameter negative pole is the longest in addition, and when it and the female first contact of negative pole that corresponds, then the plug-in position of the public head of all the other metal contact pins of accurate positioning and the female head of metal contact pin, strengthen grafting efficiency greatly.

Optionally, the negative electrode male head is arranged between the positive electrode male heads.

Optionally, a guide protrusion structure is arranged on the plastic plug, a guide groove structure is arranged on the plastic socket, and the guide protrusion structure and the guide groove structure are matched to guide and position the inserting positions of the metal contact pin male head and the metal contact pin female head.

Optionally, the metal pin female heads on the female head pin plate and the male head pin plate and the corresponding metal pin male heads are respectively provided with a digital mark. The metal pin connector is used for marking the corresponding positions of the metal pin female head and the metal pin male head.

Optionally, direction marks are arranged on the plastic socket and the plastic plug and used for identifying the connection direction of the plastic socket and the plastic plug.

Optionally, the tail parts of the metal pin female head and the metal pin male head are of a half-groove structure, so that the connecting wire can be conveniently welded.

Compared with the prior art, the utility model discloses synthesize the public head of the positive pole of multiple type, the public head of negative pole, monitoring and the public head of communication and the female head that corresponds in a plug terminal, the integrated level is high, and the dismouting is high-efficient. Female first faller and public first faller can dismantle respectively and connect on plastics socket and plastics plug, and the later stage of being convenient for is maintained and is changed arbitrary part wherein. The length of the negative pole male head is larger than that of the positive pole male head, and the length of the positive pole male head is larger than that of the monitoring male head and that of the communication male head. The power-on sequence can be ensured to be that the cathode is firstly carried out, then the anode is carried out, and then the monitoring and the communication are carried out. The battery management system is prevented from being burnt out possibly caused by the disordered sequence, and the safety of the battery management system is greatly ensured.

Drawings

Fig. 1 is a front exploded view of a quick plug terminal of a lithium battery according to the present embodiment;

fig. 2 is an exploded left side perspective view of the quick plug terminal of the lithium battery according to this embodiment;

fig. 3 is an exploded view of a right side three-dimensional structure of the quick plug terminal of the lithium battery according to the embodiment;

fig. 4 is a schematic view of an assembly structure of the quick plug terminal of the lithium battery according to the embodiment;

fig. 5 is a schematic diagram illustrating a plugging state of the quick plugging terminal of the lithium battery according to this embodiment.

In the figures, the reference numbers are: 1-plastic socket, 11-guide groove structure, 12-socket groove, 13-female through hole, 14-upper protrusion structure, 15-lower protrusion structure, 16-socket direction mark, 2-plastic plug, 21-guide protrusion structure, 22-plug groove, 23-male through hole, 24-upper frame, 25-lower frame, 26-plug direction mark, 3-male pin plate, 31-male digital mark, 32-male pin plate buckle, 4-metal pin male, 41-negative male, 42-positive male, 43-temperature monitoring male, 44-communication male, 45-voltage monitoring male, 46-male half groove structure, 5-female pin plate, 51-female digital mark, 52-female contact pin plate buckle, 6-metal contact pin female head, 61-negative electrode female head, 62-positive electrode female head, 63-temperature monitoring female head, 64-communication female head, 65-voltage monitoring female head and 66-female head half-groove structure.

Detailed Description

The following examples illustrate the specific embodiments of the present invention:

examples

As shown in fig. 1 to 5, the lithium battery quick plug terminal includes a plastic socket 1, a plastic plug 2, a female plug pin plate 5, a plurality of metal pin female heads 6 and male plug pin plates 3 disposed on the female plug pin plate 5, and a plurality of metal pin male heads 4 disposed on the male plug pin plate 3, wherein the female plug pin plate 5 and the male plug pin plate 3 are detachably connected to the plastic socket 1 and the plastic plug 2, the metal pin female heads 6 are matched with the corresponding metal pin male heads 4, and the metal pin male heads 4 include a positive male head 42, a negative male head 41, a temperature monitoring male head 43, a communication male head 44, and a voltage monitoring male head 45; the length of the negative electrode male head 41 is greater than that of the positive electrode male head 42, the length of the positive electrode male head 42 is greater than that of the temperature monitoring male head 43, and the lengths of the temperature monitoring male head 43, the communication male head 44 and the voltage monitoring male head 45 are equal. Correspondingly, the metal pin female head 6 is provided with a positive female head 62, a negative female head 61, a temperature monitoring female head 63, a communication female head 64 and a voltage monitoring female head 65.

Wherein, female first faller 5 and public first faller 3 pass through back-off structure and can dismantle with plastics socket 1 and plastics plug 2 respectively and be connected. The reverse buckling structure is formed by matching a female plug pin plate buckle 52 on the female plug pin plate 5 with a socket clamping groove 12, or formed by matching a male plug pin plate buckle 32 on the male plug pin plate 3 with a plug clamping groove 22.

Wherein, be equipped with female first through-hole 13 and public first through-hole 23 that female head 6 of metal contact pin and the public first 4 sizes of metal contact pin correspond on plastic socket 1 and the plastic plug 2 respectively, female head 6 of metal contact pin and the public first 4 of metal contact pin are respectively through female first through-hole 13 and public first through-hole 23 the protruding length of the public first 4 of metal contact pin of injecing of metal contact pin female head 6 and metal contact pin.

Wherein, be equipped with upper portion frame 24 and lower part frame 25 on the plastics plug 2, be equipped with on the plastics socket 1 with upper portion frame 24 and lower part frame 25 matched with upper portion protruding structure 14 and lower part protruding structure 15, upper portion frame 24 includes anodal public head 42, the public head 41 of negative pole, public head 43 of temperature monitoring and the public first through-hole 23 that public head 24 of communication corresponds, lower part frame 25 includes public first through-hole 23 that public head 45 of voltage monitoring corresponds, female first through-hole 13 corresponds and establishes in upper portion protruding structure 14 and lower part protruding structure 15.

The diameters of the positive male head 42 and the negative male head 41 are larger than the diameter of the temperature monitoring male head 43, and the diameters of the temperature monitoring male head 43, the diameter of the communication male head 44 and the diameter of the voltage monitoring male head 45 are the same. The larger the diameters of the positive male head 42 and the negative male head 41 are, the larger the current can flow, and the longer the negative male head 41 with the large diameter is, so that the length of the negative male head 41 with the large diameter is longest, and when the positive male head is in contact with the corresponding negative female head 61, the insertion positions of the rest metal pin male heads 4 and the rest metal pin female heads 6 can be accurately positioned, and the insertion efficiency is greatly improved.

The negative male heads 41 are arranged among the plurality of positive male heads 42.

Wherein, establish direction protruding structure 21 on the plastics plug 2, establish direction groove structure 11 on the plastics socket 1, direction protruding structure 21 cooperatees with direction groove structure 11 and is used for the grafting position of guiding orientation metal contact pin male head 4 and metal contact pin female head 6.

The female pin head 6 and the corresponding male pin head 4 on the female pin needle plate 5 and the male pin needle plate 3 are respectively provided with a female digital identifier 51 and a male digital identifier 41. For marking the corresponding positions of the female metal pin head 6 and the male metal pin head 4.

The plastic socket 1 and the plastic plug 2 are respectively provided with direction marks, and the direction marks comprise socket direction marks 16 and plug direction marks 26 and are used for identifying the connection direction of the plastic socket 1 and the plastic plug 2.

The tail of the metal pin female head 6 is of a female head half-groove structure 66, and the tail of the metal pin male head 4 is of a male head half-groove structure 46, so that welding of connecting wires is facilitated.

During the structural installation, install female first 6 of metal contact pin and male head 4 of metal contact pin on female first faller 5 and male first faller 3 respectively earlier, rethread back-off structure with female first faller 5 and male head faller 3 install respectively on plastics socket 1 and plastics plug 2 make female first 6 of metal contact pin and male head 4 of metal contact pin be in respectively corresponding female first through-hole 13 and public first through-hole 23 can.

During the use, adjust the direction of plastics socket 1 and plastics plug 2 according to plug direction sign 26 and socket direction sign 16 to be connected direction protruding structure 21 and direction groove structure 11, later aim at public head 41 of negative pole and female 61 of negative pole earlier and insert the back, disect insertion, then positive public head 42 and positive female 62 of corresponding, public head 43 of temperature monitoring and female 63 of temperature monitoring, public head 44 of communication and the female 64 of communication, public head 45 of voltage monitoring and the female 65 of voltage monitoring are all in alignment state. The terminal operation time is saved, and the installation, maintenance or replacement efficiency is greatly improved.

It should be noted that the protection scope of the present invention is not limited to the specific structure and shape of the embodiments, and all the equivalent replacement or non-substantial transformation according to the present invention, such as only using the temperature monitoring male head or the voltage monitoring male head, all belong to the protection scope of the present invention.

Claims

1. The utility model provides a quick plug terminal of lithium cell which characterized in that: the device comprises a plastic socket, a plastic plug, a female pin inserting plate, a plurality of metal pin female heads arranged on the female pin inserting plate, a male pin inserting plate and a plurality of metal pin male heads arranged on the male pin inserting plate, wherein the female pin inserting plate and the male pin inserting plate are respectively detachably connected to the plastic socket and the plastic plug; the length of the negative pole male head is larger than that of the positive pole male head, and the length of the positive pole male head is larger than that of the monitoring male head and that of the communication male head.

2. The lithium battery quick connect-disconnect terminal of claim 1, characterized in that: female first faller and public first faller pass through back-off structure and can dismantle with plastics socket and plastics plug respectively and be connected.

3. The lithium battery quick connect-disconnect terminal of claim 1, characterized in that: the monitoring male head comprises a temperature monitoring male head and/or a voltage monitoring male head.

4. The lithium battery quick connect-disconnect terminal of claim 3, characterized in that: female first through-hole and public first through-hole that are equipped with the public first size of metal contact pin female head and metal contact pin on plastics socket and the plastics plug respectively, the protruding length of the public first of metal contact pin female head and metal contact pin is injectd through female first through-hole and public first through-hole respectively to the public head of metal contact pin female head and metal contact pin.

5. The lithium battery quick connect-disconnect terminal of claim 4, characterized in that: be equipped with upper portion frame and lower part frame on the plastics plug, be equipped with on the plastics socket with upper portion frame and lower part frame matched with upper portion protrusion structure and lower part protrusion structure, the public first through-hole that public head of the public head of upper portion frame includes anodal public head, negative pole public head, temperature monitoring corresponds with the public head of communication, the public first through-hole that the public head of lower part frame includes voltage monitoring corresponds, female first through-hole correspondence is established in upper portion protrusion structure and lower part protrusion structure.

6. The lithium battery quick connect-disconnect terminal of claim 1, characterized in that: the diameters of the positive pole male head and the negative pole male head are larger than the diameters of the monitoring male head and the communication male head.

7. The lithium battery quick connect-disconnect terminal of claim 1, characterized in that: establish direction protruding structure on the plastics plug, establish direction groove structure on the plastics socket, direction protruding structure and direction groove structure cooperate the grafting position of guide location metal contact pin male head and metal contact pin female head.

8. The lithium battery quick connect-disconnect terminal of claim 1, characterized in that: and the female metal pins on the female pin inserting plate and the male metal pins corresponding to the female metal pins are respectively provided with a digital mark.

9. The lithium battery quick connect-disconnect terminal of claim 1, characterized in that: and direction marks are arranged on the plastic socket and the plastic plug.

10. The lithium battery quick connect-disconnect terminal of claim 1, characterized in that: the tail parts of the metal pin female head and the metal pin male head are of half-groove structures.