CN211829099U

CN211829099U - Battery box panel structure

Info

Publication number: CN211829099U
Application number: CN202020876132.1U
Authority: CN
Inventors: 郭功勋; 伍星星; 黄治文; 曹胜军; 许艳香; 豆程程; 龙花
Original assignee: DONGGUAN YANGTIAN ELECTRONIC TECHNOLOGY CO LTD
Current assignee: DONGGUAN YANGTIAN ELECTRONIC TECHNOLOGY CO LTD
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-10-30
Anticipated expiration: 2030-05-22

Abstract

The utility model belongs to the technical field of lithium ion battery, concretely relates to battery box panel structure, including panel body, positive connector, negative pole connector and BMS battery management module, BMS battery management module sets up the middle part at the panel body, and BMS battery management module is connected with the control cable, and the control cable is installed the control cable interface on the panel body, and positive connector and negative pole connector set up the both sides at the panel body respectively, and positive connector is two or more with the negative pole connector. Compared with the prior art, the utility model discloses a set positive connector and negative pole connector to two or more for the panel body has formed the structure of dual output interface or many output interfaces, consequently, can increase the whole charge output load flow of battery box effectively, has reduced the temperature rise efficiency of the cable on positive connector and the negative pole connector when heavy current output, has improved the life of cable.

Description

Battery box panel structure

Technical Field

The utility model belongs to the technical field of lithium ion battery, concretely relates to battery box panel structure.

Background

With the continuous development of new energy industry, lithium ion batteries are used as core energy supply devices of devices such as power automobiles and household energy storage devices, and the safety of the lithium ion batteries directly affects the safety performance of the devices. The battery box is used as a carrier of the lithium ion battery, and plays a key role in the safety and protection of the battery pack. Therefore, the structural design of the battery case is very important.

At present, the battery box on the market mainly comprises panel, curb plate and bottom plate, wherein, is provided with positive connecting terminal and negative connecting terminal on the panel usually, through two electrode connecting terminal for external equipment realizes the electricity with the inside group battery of battery box and connects. However, because only one positive connecting terminal and one negative connecting terminal are often arranged on the existing panel, the current carrying capacity is small, when a large current is output, the temperature rise of the cable on each electrode connecting terminal is obvious, the performance of the cable is seriously degraded after long-term use, the service life is shortened, and meanwhile, a series of safety problems are easily caused due to overhigh temperature.

In view of the above, it is necessary to improve the rationality of the battery box panel body in order to meet the actual demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the battery box panel structure can effectively solve the problems of quicker temperature rise of a cable on an electrode connector and smaller charge load flow, and prolongs the service life of the device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a battery box panel structure, includes panel body, anodal connector, negative pole connector and BMS battery management module, BMS battery management module sets up the middle part of panel body, BMS battery management module is connected with the control cable, the control cable install in control cable interface on the panel body, anodal connector with the negative pole connector sets up respectively the both sides of panel body, anodal connector with the negative pole connector is two or more. The monitoring cable is connected with the battery pack in the battery box through a monitoring cable interface and is used for monitoring the battery pack by the BMS battery management module; in addition, positive pole connector and negative pole connector all set up to two or more, have increased the holistic charge output load flow of battery box, consequently, when heavy current work, can show the temperature rise efficiency that reduces the cable, but because the space of panel body is limited, its quantity can carry out the rationality adaptation according to actual application.

As right the utility model discloses in the improvement of battery box panel structure, the positive connector is including the first positive link, first fixed part and the anodal link of second that connect gradually, first fixed part run through in the panel body, first positive link with the anodal link of second is located respectively on two faces of panel body. The first positive connecting end is used for connecting electrodes of external equipment, and the second positive connecting end is used for connecting electrodes of the battery pack in the battery box, so that the battery pack is electrically connected with the external equipment.

As right the utility model discloses in the improvement of battery box panel structure, the negative pole connector is including the first negative connection end, second fixed part and the second negative connection end that connect gradually, the second fixed part run through in the panel body, first negative connection end with second negative connection end is located respectively on two faces of panel body. The first negative connecting end is used for connecting an electrode of external equipment, and the second negative connecting end is used for connecting an electrode of a battery pack in the battery box, so that the battery pack is electrically connected with the external equipment.

As right the utility model discloses in battery box panel structure's improvement, every positive pole connector with the negative pole connector all can carry out 360 rotations on the panel body. Set positive connector and negative pole connector to rotatable structure, help adjusting according to the angle of wiring, improved widely the utility model discloses an suitability.

As right the utility model discloses in the improvement of battery box panel structure, every between the positive connector and every be dislocation diagonal angle setting from top to bottom between the negative connector. The arrangement of staggered diagonal angles between every two positive connectors and between every two negative connectors can ensure that every connector cannot interfere with each other when in wiring, and the cables cannot cross, so that the wiring effect is more attractive.

As right the utility model discloses in the improvement of battery box panel structure, the panel body is following be provided with a plurality of bunched threads in the direction that the control cable was arranged and detain. The wiring buckle is additionally arranged, so that the monitoring cable can be conveniently arranged, the wiring disorder caused by overlong monitoring cable can be prevented, and meanwhile, the panel body of the battery box can be kept neat and attractive; in addition, each cable tie buckle can be arranged at equal intervals, and the situation that the monitoring cable is prone to sagging and protruding in the interval due to overlarge distance between the two cable tie buckles is avoided.

As right the utility model discloses in the improvement of battery box panel structure, air exit and through hole have been seted up at the middle part of panel body, the air exit is at least one, the through hole is installed and is worn the wall terminal. The air outlet is connected with a cooling fan arranged in the battery box and used for exhausting air and cooling; and the wall-penetrating terminal on the through hole is used for installing a power supply of the cooling fan and supplying power to the cooling fan.

As right the utility model discloses in the improvement of battery box panel structure, the air exit include a plurality of run through in the through-hole of panel body, the network structure is constituteed to the through-hole. The reticular air outlet structure can improve the flow rate of the air outlet and the stability of air exhaust.

As right the utility model discloses in battery box panel structure's improvement, still be provided with label laminating district and printing district on the face of panel body, label laminating district is located around BMS battery management module, the printing district sets up the edge of panel body. The label attaching area is used for attaching labels, such as parameter labels, warning labels and the like; the printing area is used for printing two-dimensional codes, logos, marks and the like.

As right the utility model discloses in the improvement of battery box panel structure, the both sides of panel body still are provided with the handle, the handle sets up for the formula of can falling. The handle is additionally arranged, the battery box is convenient to carry, and the handle is arranged in a retractable mode, so that the space can be saved, and the transportation cost is reduced.

The beneficial effects of the utility model reside in that: compared with the prior art, the utility model discloses a set positive connector and negative pole connector to two or more for the panel body has formed the structure of dual output interface or many output interfaces, consequently, can increase the whole charge output load flow of battery box effectively, has reduced the temperature rise efficiency of the cable on positive connector and the negative pole connector when heavy current output, has improved the life of cable.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided to explain the invention and not to constitute an undue limitation on the invention. In the drawings:

fig. 1 is one of the schematic structural diagrams of the present invention;

fig. 2 is a second schematic structural diagram of the present invention;

wherein, 1-panel body; 2-a positive connector; 3-a negative connector; 4-BMS battery management modules; 11-monitoring cable interface; 12-binding a wire buckle; 13-an air outlet; 14-a through-wall terminal; 15-a label application zone; 16-a printing zone; 17-a handle; 21-a first positive connection end; 22-a first fixed part; 23-a second positive connection end; 31-a first negative connection end; 32-a second fixed part; 33-second negative connection terminal.

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal "and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings, which are not intended to limit the present invention.

As shown in fig. 1-2, a panel structure of a battery box comprises a panel body 1, a positive connector 2, a negative connector 3 and a BMS battery management module 4, wherein the BMS battery management module 4 is arranged in the middle of the panel body 1, the BMS battery management module 4 is connected with a monitoring cable, the monitoring cable is mounted on a monitoring cable interface 11 on the panel body 1, the positive connector 2 and the negative connector 3 are respectively arranged on two sides of the panel body 1, and the positive connector 2 and the negative connector 3 are two or more. In the utility model, the monitoring cable is installed on the monitoring cable interface 11 and connected with the battery pack inside the battery box, and is used for the BMS battery management module 4 to monitor the battery pack; in addition, in this embodiment, the positive connector 2 and the negative connector 3 are both provided as two connectors, so that the panel body 1 forms a structure with dual output interfaces, thereby significantly improving the charge output load flow of the battery box, and when the battery box works in the presence of a large current, the temperature rise of the cables respectively connected with the positive connector 2 and the negative connector 3 is reduced, thereby prolonging the service life of the cables and avoiding the safety problem caused by an excessively high temperature.

Preferably, each of the positive connector 2 and the negative connector 3 can be rotated on the panel body 1 by 360 °. Set positive connector 2 and negative pole connector 3 to rotatable structure, help adjusting according to the angle of wiring, improved widely the utility model discloses an applicability.

Preferably, the positive connectors 2 and the negative connectors 3 are arranged diagonally and vertically in a staggered manner. The arrangement of staggered diagonal angles between every two positive connectors 2 and every two negative connectors 3 can ensure that every connector does not interfere with each other when in wiring, and the cables cannot cross, so that the wiring effect is more attractive.

Preferably, the positive connector 2 includes a first positive connection end 21, a first fixing portion 22 and a second positive connection end 23 which are connected in sequence, the first fixing portion 22 penetrates through the panel body 1, and the first positive connection end 21 and the second positive connection end 23 are respectively located on two panel surfaces of the panel body 1; the cathode connector 3 includes a first cathode connecting end 31, a second fixing portion 32 and a second cathode connecting end 33 which are connected in sequence, the second fixing portion 32 penetrates through the panel body 1, and the first cathode connecting end 31 and the second cathode connecting end 33 are respectively located on two plate surfaces of the panel body 1. The positive connector 2 and the negative connector 3 have similar structures, wherein the first positive connection terminal 21 and the first negative connection terminal 31 are respectively used for connecting two electrodes of an external device, and the second positive connection terminal 23 and the second negative connection terminal 33 are used for connecting electrodes of a battery pack inside the battery box, so as to realize electrical connection between the battery pack and the external device.

Preferably, the panel body 1 is provided with a plurality of cable ties 12 in a direction along which the monitoring cables are arranged. The wiring buckle 12 is additionally arranged, so that the monitoring cable can be conveniently arranged, the wiring disorder caused by overlong monitoring cable can be prevented, and meanwhile, the whole panel body of the battery box can be kept neat and attractive; in order to improve the sorting effect of the cable tie 12, in this embodiment, each cable tie 12 is equidistantly arranged, so that the length of the monitoring cable between each cable tie 12 is kept consistent, and the conditions of monitoring cable sagging and bulging are avoided.

Preferably, the middle part of the panel body 1 is provided with at least one air outlet 13 and a through hole, and the through hole is provided with a wall-penetrating terminal 14. The air outlet 13 is connected with a cooling fan arranged in the battery box and used for exhausting air and cooling; and the wall-through terminal 14 on the through hole is used for installing a power supply of the cooling fan and supplying power to the cooling fan.

Preferably, air exit 13 includes a plurality of through-holes that run through in panel body 1, and the network structure is constituteed to the through-hole, and the stability of the flow of air exit 13 department and airing exhaust can be improved to netted air exit structure, improves the radiating effect of battery box, and wherein, the through-hole can be different shapes, nevertheless for the ease of processing, in this embodiment, this through-hole sets up to circular through-hole, forms through integrative punching press, improves the efficiency of production.

Preferably, the panel body 1 is further provided with a label attaching area 15 and a printing area 16 on the panel surface, the label attaching area 15 is located around the BMS battery management module 4, and the printing area 16 is provided at the edge of the panel body 1. The label attaching area 15 is used for attaching labels, such as parameter labels and warning labels corresponding to the type; the printing area 16 can be used for printing patterns such as two-dimensional codes, logos, signs and the like.

Preferably, handles 17 are further disposed on both sides of the panel body 1, and the handles 17 are laid down. Add handle 17, help conveniently carrying the battery box, handle 17 sets up to the setting that can put down the formula in addition, can also save space, reduces the expense of transportation.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed above, or as otherwise known in the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a battery box panel structure which characterized in that: including panel body (1), anodal connector (2), negative pole connector (3) and BMS battery management module (4), BMS battery management module (4) set up the middle part of panel body (1), BMS battery management module (4) are connected with the control cable, the control cable install in control cable interface (11) on panel body (1), anodal connector (2) with negative pole connector (3) set up respectively the both sides of panel body (1), anodal connector (2) with negative pole connector (3) are two or more.

2. The battery box panel structure according to claim 1, characterized in that: the positive connector (2) comprises a first positive connecting end (21), a first fixing part (22) and a second positive connecting end (23) which are sequentially connected, the first fixing part (22) penetrates through the panel body (1), and the first positive connecting end (21) and the second positive connecting end (23) are respectively located on two faces of the panel body (1).

3. The battery box panel structure according to claim 1, characterized in that: the negative electrode connector (3) comprises a first negative electrode connecting end (31), a second fixing part (32) and a second negative electrode connecting end (33) which are sequentially connected, the second fixing part (32) penetrates through the panel body (1), and the first negative electrode connecting end (31) and the second negative electrode connecting end (33) are respectively located on two faces of the panel body (1).

4. The battery box panel structure according to claim 1, characterized in that: each of the positive connector (2) and the negative connector (3) is rotatable on the panel body (1) by 360 degrees.

5. The battery box panel structure according to claim 1, characterized in that: and the positive connectors (2) and the negative connectors (3) are arranged in a staggered and opposite angle mode from top to bottom.

6. The battery box panel structure according to claim 1, characterized in that: the panel body (1) is provided with a plurality of cable ties (12) in a direction along which the monitoring cables are arranged.

7. The battery box panel structure according to claim 1, characterized in that: air exit (13) and through hole have been seted up in the middle part of panel body (1), air exit (13) are at least one, wall-penetrating terminal (14) are installed to the through hole.

8. The battery box panel structure according to claim 7, wherein: the air outlet (13) comprises a plurality of through holes penetrating through the panel body (1), and the through holes form a net structure.

9. The battery box panel structure according to claim 1, characterized in that: still be provided with label laminating district (15) and printing area (16) on the face of panel body (1), label laminating district (15) are located BMS battery management module (4) around, printing area (16) set up the edge of panel body (1).

10. The battery box panel structure according to claim 1, characterized in that: the novel multifunctional panel is characterized in that handles (17) are further arranged on two sides of the panel body (1), and the handles (17) can be arranged in a laid-down mode.