CN213212327U - Double-interface battery-replacing lithium battery device - Google Patents

Abstract

The utility model discloses a two interfaces trade electric lithium battery device, include the shell and set up lithium cell package and battery management module BMS in the shell, the shell includes box body and upper cover down, the box body includes that bottom plate and vertical seal set up in bottom plate curb plate all around down, the sealed opening part that closes in box body top down of upper cover, on cover and be provided with 2+6 socket and article word socket, 2+6 socket and article word socket electricity respectively connect between lithium cell package and battery management module BMS and between 2+6 socket and the article word socket at the inside electricity of shell. The utility model adds the pin socket on the basis of keeping the original 2+6 socket, thereby not only ensuring the connection with the battery changing cabinet and the electric vehicle, but also meeting the requirements of partial users who are unwilling to change the use habit in a short period; the plugging frequency of the 2+6 socket is reduced by 50%, the current of the 2+6 socket is greatly reduced, and the service life of the 2+6 socket can be prolonged by at least one time.

Description

Double-interface battery-replacing lithium battery device

Technical Field

The utility model belongs to the technical field of the lithium cell, concretely relates to double-interface trades electric lithium cell device.

Background

At present, a two-wheel vehicle/three-wheel vehicle used by a terminal user is basically provided with a delta-shaped plug, a conventional iron tower battery replacement battery is only provided with one 2+6 socket, and the user is generally provided with a patch cord to be compatible with the battery replacement battery 2+6 socket. However, after the contact point of the plug end of the patch cord 2+6 and the plug end of the battery 2+6 is plugged for a plurality of times, the hidden danger of increasing the contact resistance due to looseness may exist, the increase of the contact resistance may cause the discharge heating and then the deformation, so that the fastening is difficult, the vicious circle is generated, and the user experience is influenced. The damage of 2+6 jacks and patch cords almost becomes the most prominent problem in the iron tower power change application in China.

Therefore, a dual-interface lithium battery replacement device with a long service life and high safety performance is urgently needed to be provided.

SUMMERY OF THE UTILITY MODEL

For solving the defect that prior art exists, the utility model provides a two interfaces trade electric lithium battery device.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a two interfaces trade electric lithium battery device, include the shell and set up lithium cell package and battery management module BMS in the shell, lithium cell package and battery management module BMS electricity are connected, the shell includes box body and upper cover down, the box body includes that bottom plate and vertical seal set up in bottom plate curb plate all around down, the sealed opening part that closes in box body top down of upper cover, on cover and be provided with 2+6 socket and article word socket, 2+6 socket and article word socket electricity respectively connect between lithium cell package and battery management module BMS and between 2+6 socket and the article word socket inside the shell electricity be connected.

As an optimized technical proposal of the utility model, the utility model is also provided with a handle which is arranged on the upper surface of the upper cover.

As an optimized technical scheme of the utility model, the bayonet socket is equipped with on the upper surface of article word socket and the outside that is located the socket.

As a preferred technical scheme of the utility model, article word socket includes article word socket body, socket frame and is used for fastening the stop gear of article word plug, the socket frame sets up on the upper surface of upper cover, the socket frame is equipped with down installing port and last installing port, the bore size of going up the installing port is greater than the bore size of installing port down and forms fixed boss between the two, article word socket body sets up under in the installing port, stop gear sets up on fixed boss.

As a preferred technical scheme of the utility model, stop gear includes connecting rod and spacing ball, the bottom of connecting rod sets up on the upper surface of fixed boss, spacing ball sets up in the top of connecting rod.

As an optimal technical scheme of the utility model, still be equipped with radiating fin, radiating fin connects on the upper surface of fixed boss, the coating has the insulating layer on the radiating fin.

The utility model discloses compare in prior art, have following beneficial effect:

firstly, the utility model adds the pin socket on the basis of keeping the original 2+6 socket, thereby not only ensuring the connection with the battery changing cabinet and the electric vehicle, but also meeting the requirements of partial users who are unwilling to change the use habit in a short period;

secondly, the 2+6 jack is used for charging in the battery replacing cabinet (the current is less than 8A), the delta-shaped jack is used for plugging and discharging with the electric vehicle of the user (the current lasts about 30A at most), the plugging and unplugging frequency of the 2+6 jack is reduced by 50%, the current of the 2+6 jack is greatly reduced, and the service life of the 2+6 jack can be prolonged by at least one time;

thirdly, a bayonet design is added at the delta-shaped socket interface, and after a delta-shaped power line of a user is inserted, the power line is secondarily fixed by using the bayonet, so that the contact tightness of the power interface is improved, and the possibility that the power line jolts and loosens due to poor road conditions is avoided;

fourthly, the positive electrode and the negative electrode of the delta socket are connected with the 2+6 socket in the battery in a switching mode, on one hand, the switching line is arranged in the shell, the installation space of the product in the battery cavity is reduced, on the other hand, the delta socket is limited by a battery management system and only can discharge, the charging can be protected due to no communication, and the function of centralized charging management is achieved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment 1 of a dual-interface battery-replacement lithium battery device of the present invention;

fig. 2 is a circuit connection diagram of an embodiment 1 of a dual-interface battery-replacement lithium battery device of the present invention;

fig. 3 is a schematic structural view of a pin socket in embodiment 2 of the present invention;

fig. 4 is a schematic structural view of a pin socket body in embodiment 3 of the present invention;

fig. 5 is a schematic structural view of an outer bezel of an insertion slot and a limiting mechanism in embodiment 3 of the present invention;

fig. 6 is a schematic structural view of an outer bezel of an insertion slot in embodiment 3 of the present invention;

fig. 7 is a schematic structural view of a limiting mechanism in embodiment 3 of the present invention;

fig. 8 is a schematic structural view of a heat dissipation fin in embodiment 4 of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

In order to achieve the purpose of the present invention, as shown in fig. 1 to 2, the utility model discloses a two interfaces are provided in one of them embodiment and are traded electric lithium battery device, include shell 1 and set up lithium cell package 4 and battery management module BMS5 in the shell, lithium cell package 4 and battery management module BMS5 electricity are connected, shell 1 includes box body 11 and upper cover 12 down, box body 11 includes that bottom plate and vertical seal set up in bottom plate curb plate all around down, the sealed opening part that fits box body 11 top down of lid 12, be provided with 2+6 socket 2 and article word socket 3 on the upper cover 12, 2+6 socket 2 and article word socket 3 electricity are connected respectively between lithium cell package 4 and battery management module BMS5 and between 2+6 socket 2 and the interior electricity of shell between article word socket 3.

Specifically, the present embodiment further includes a handle 13, and the handle 13 is disposed on the upper surface of the upper cover 12.

The pin socket is added on the basis of keeping the original 2+6 socket, so that the connection between the battery replacement cabinet and the electric vehicle is ensured, and part of users unwilling to change the use habit in a short period are satisfied; the plugging frequency of the 2+6 socket is reduced by 50%, the current of the 2+6 socket is greatly reduced, and the service life of the 2+6 socket can be prolonged by at least one time; the positive and negative poles of the delta socket are connected with the 2+6 socket in the battery in a switching mode, on one hand, a switching line is arranged in the shell, the installation space of a product in a battery cavity is reduced, on the other hand, the delta socket is limited by a battery management system and only can discharge, the charging can be protected due to no communication, and the function of centralized charging management is achieved. In addition, a handle is added, so that the lifting tool is convenient to take.

Example 2

As shown in fig. 3, in order to further optimize the implementation effect of the present invention, a bayonet is disposed on the upper surface of the delta-shaped socket 3 and outside the socket.

In the embodiment, the bayonet design is added at the delta-shaped socket interface, and after a delta-shaped power line of a user is inserted, the delta-shaped power line is secondarily fixed by the bayonet, so that the contact tightness of the power interface is improved, and the possibility that the power line jolts and loosens due to poor road conditions is avoided;

example 3

As shown in fig. 4 to 7, in order to further optimize the implementation effect of the present invention, in this embodiment, the article-shaped socket 3 includes an article-shaped socket body 31, a socket outer frame 32 and a limiting mechanism 33 for fastening an article-shaped plug, the socket outer frame 32 is disposed on the upper surface of the upper cover 12, the socket outer frame 32 is provided with a lower mounting opening and an upper mounting opening, the caliber size of the upper mounting opening is greater than that of the lower mounting opening, and a fixed boss is formed between the two, the article-shaped socket body 31 is disposed in the lower mounting opening, and the limiting mechanism 33 is disposed on the fixed boss. The limiting mechanism 33 comprises a connecting rod and a limiting ball, the bottom of the connecting rod is arranged on the upper surface of the fixed boss, and the limiting ball is arranged at the top of the connecting rod.

The article word plug in this embodiment is inserted in article word socket body to support through spacing ball and fasten the injecing to article word plug around the surface of article word plug, improve the fastness of connecting.

Example 4

As shown in fig. 8, in order to further optimize the implementation effect of the present invention, the present embodiment is further provided with a heat dissipating fin 34, the heat dissipating fin 34 is connected to the upper surface of the fixing boss, and an insulating layer is coated on the heat dissipating fin 34.

In the embodiment, heat dissipation is performed through the heat dissipation fins, so that heating at the interface due to long-term discharge is avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A double-interface battery-replacing lithium battery device comprises a shell (1), a lithium battery pack (4) and a battery management module BMS (5) which are arranged in the shell, the lithium battery pack (4) is electrically connected with the battery management module BMS (5), it is characterized in that the shell (1) comprises a lower box body (11) and an upper cover (12), the lower box body (11) comprises a bottom plate and side plates which are vertically and hermetically arranged on the periphery of the bottom plate, the upper cover (12) is hermetically sealed at an opening at the top of the lower box body (11), the upper cover (12) is provided with a 2+6 jack (2) and a delta-shaped jack (3), the 2+6 socket (2) and the delta socket (3) are respectively and electrically connected between the lithium battery pack (4) and the battery management module BMS (5) and between the 2+6 socket (2) and the delta socket (3) in the shell.

2. The dual-interface battery-replacement device according to claim 1, further comprising a handle (13), wherein the handle (13) is disposed on an upper surface of the upper cover (12).

3. The dual-interface battery-replacing lithium battery device as claimed in claim 1, wherein a bayonet is arranged on the upper surface of the pin-shaped socket (3) and outside the socket.

4. The dual-interface battery-replacing lithium battery device according to claim 1, wherein the pin jack (3) comprises a pin jack body (31), a jack outer frame (32) and a limiting mechanism (33) for fastening a pin plug, the jack outer frame (32) is arranged on the upper surface of the upper cover (12), the jack outer frame (32) is provided with a lower mounting port and an upper mounting port, the caliber size of the upper mounting port is larger than that of the lower mounting port, a fixed boss is formed between the upper mounting port and the lower mounting port, the pin jack body (31) is arranged in the lower mounting port, and the limiting mechanism (33) is arranged on the fixed boss.

5. The dual-interface battery-replacement lithium battery device as recited in claim 4, wherein the limiting mechanism (33) comprises a connecting rod and a limiting ball, the bottom of the connecting rod is disposed on the upper surface of the fixing boss, and the limiting ball is disposed on the top of the connecting rod.

6. The dual-interface battery replacement device according to claim 1, further comprising heat dissipation fins (34), wherein the heat dissipation fins (34) are connected to the upper surfaces of the fixing bosses, and an insulating layer is coated on the heat dissipation fins (34).

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