CN211062823U

CN211062823U - Charging device

Info

Publication number: CN211062823U
Application number: CN201922249387.5U
Authority: CN
Inventors: 潘晨阳; 章明; 滕钰; 郭文辉; 董鹏
Original assignee: Zhuhai Zhongli New Energy Technology Co ltd
Current assignee: Zhuhai Zhongli New Energy Technology Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-07-21
Anticipated expiration: 2029-12-13

Abstract

The utility model relates to a lithium ion battery echelon utilizes technical field, provide a charging device, a lithium ion battery module for utilizing echelon charges, locate two electrically conductive modules on the base including base and parallel to each other, electrically conductive module includes along linear arrangement's a plurality of electrically conductive unit, electrically conductive unit is including connecing electroplax and elastic conducting strip, elastic conducting strip pressurized back and connecing the electroplax butt, above-mentioned charging device charges to lithium ion battery module and can avoid the utmost point ear probe or the utmost point ear connection of copper sheet anchor clamps and lithium ion battery module, effectively avoids causing the damage to the utmost point ear of lithium ion battery module, and simultaneously, above-mentioned charge mode easy operation is swift, effectively improves work efficiency.

Description

Charging device

Technical Field

The utility model relates to a lithium ion battery echelon utilizes technical field, especially provides a charging device.

Background

The existing lithium ion battery module used for the electric automobile is used for charging the waste lithium ion battery module in a gradient way, the traditional charging way is to use a cable to be directly connected with the lithium ion battery module to realize charging, and a tab probe or a copper sheet clamp is inevitably used when the cable is connected with the lithium ion battery module to ensure that the cable is well contacted with a battery tab.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a charging device aims at solving current echelon and utilizes the charging mode to cause the damage and the inconvenient technical problem of operation easily to lithium ion battery module.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a charging device for lithium ion battery module to echelon utilization charges, includes the base and locates parallelly to each other two electrically conductive modules on the base, electrically conductive module includes along the a plurality of electrically conductive units of inline, electrically conductive unit including connect the electroplax and with connect the elastic conducting strip that the electroplax keeps normally open state, the elastic conducting strip after the pressurized with connect the electroplax butt.

The utility model provides a charging device has following beneficial effect at least: when the charging device is used for charging the lithium ion battery module, a tab probe or a copper sheet clamp can be omitted from being connected with a tab of the lithium ion battery module, the damage to the tab of the lithium ion battery module is effectively avoided, meanwhile, the charging mode is simple and fast to operate, and the working efficiency is effectively improved.

In one embodiment, the base includes a supporting plate and a mounting plate that are connected to each other, the supporting plate is used for bearing the lithium ion battery modules, and the two conductive modules are disposed on the mounting plate.

In one embodiment, the two end parts of the supporting plate are provided with first limiting flanges.

In one embodiment, the two end parts of the mounting plate are provided with second limit flanges.

In one embodiment, the support plate and the mounting plate are connected perpendicular to each other.

In one embodiment, the base is provided with a plurality of power connection holes, and the plurality of power connection holes correspond to the plurality of conductive units one to one.

In one embodiment, the electric connection plate is provided with a boss portion for abutting against the elastic conductive sheet.

In one embodiment, the elastic conductive sheet includes a conductive portion and an insulating connecting portion, the conductive portion is connected to the power connection board, and the insulating connecting portion is fixedly connected to the power connection board.

In one embodiment, the insulating connection portion has a first connection portion and a second connection portion, the first connection portion is bent to form the first connection portion and the second connection portion, the first connection portion is used for being connected with the conductive portion, and the second connection portion is used for being connected with the power connection plate.

In one embodiment, the surface of the base is provided with an antistatic coating.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a charging device according to an embodiment of the present invention;

fig. 2 is a front view of the charging device shown in fig. 1;

fig. 3 is a sectional view taken along a-a of the charging device shown in fig. 2;

fig. 4 is an enlarged schematic view of a portion a of the charging device shown in fig. 3;

fig. 5 is a schematic structural diagram of an insulating connection portion of the charging device shown in fig. 4.

Wherein, in the figures, the respective reference numerals:

10. the flexible printed circuit board comprises a base, 11, a supporting plate, 111, a first limiting flange, 12, a mounting plate, 121, a second limiting flange, 122, a power connection hole, 20, a conductive module, 21, a conductive unit, 211, a power connection plate, 2111, a boss part, 212, an elastic conductive sheet, 2121, a conductive part, 2122, an insulating connection part, 2123, a first connection part, 2124, a second connection part, 2125, a socket, 2126 and a connection hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 to 3, a charging device for charging a lithium ion battery module for echelon utilization includes a base 10 and two conductive modules 20 disposed on the base 10 in parallel, each conductive module 20 includes a plurality of conductive units 21 arranged along a straight line, each conductive unit 21 includes a power connection plate 211 and an elastic conductive sheet 212 normally open with the power connection plate 211, and the elastic conductive sheet 212 is pressed and abutted against the power connection plate 211.

When the charging device is used, the lithium ion battery module is placed on the base 10, the positive pole lug of the lithium ion battery module is abutted against the conductive unit 21 of one conductive module 20, the negative pole lug of the lithium ion battery module is abutted against the conductive unit 21 of the other conductive module 20, and the lithium ion battery module is pushed, so that the elastic conductive sheet 212 of the conductive unit 21 is abutted against the contact plate 211 after being pressed, and the lithium ion battery module can be charged.

The positive electrode and the negative electrode of the lithium ion battery module respectively comprise a plurality of pole lug pieces, the conductive unit 21 of one conductive module 20 corresponds to the pole lug pieces of the positive electrode one by one, and the conductive unit 21 of the other conductive module 20 corresponds to the pole lug pieces of the negative electrode one by one.

In particular, since the positive electrodes and the negative electrodes of the lithium ion battery modules are generally arranged in parallel with each other along the horizontal direction, correspondingly, the two conductive modules 20 of the charging device are also arranged in parallel with each other along the horizontal direction, so that the charging device can be applied to most of the lithium ion battery modules on the market.

Of course, the two conductive modules 20 of the charging device may also adopt different arrangements according to different arrangement manners of the positive electrode and the negative electrode of the actual lithium ion battery module, such as parallel arrangement along the vertical direction, and the like, and are not limited herein.

In an embodiment, please refer to fig. 1 to fig. 3, the base 10 includes a supporting plate 11 and a mounting plate 12 connected to each other, the supporting plate 11 is used for carrying the lithium ion battery module, and the two conductive modules 20 are disposed on the mounting plate 12. When the lithium ion battery module charging device is used, the lithium ion battery module is placed on the supporting plate 11, and then the lithium ion battery module is pushed to move towards the mounting plate 12, so that the positive electrode lug and the negative electrode lug of the lithium ion battery module are respectively abutted against the two conductive modules 20, and pressure is applied to the elastic conductive sheet 212 of the conductive unit 21, so that the elastic conductive sheet 212 is abutted against the connecting plate 211, and the lithium ion battery module can be charged, and the operation is convenient and simple.

Further, referring to fig. 1 to 3, the two ends of the supporting plate 11 are provided with first limiting flanges 111. After the lithium ion battery module is placed in the support plate 11, one first limit flange 111 abuts against one end of the lithium ion battery module and the other first limit flange 111 abuts against the other end of the lithium ion battery module to prevent the lithium ion battery module from falling due to external force collision in the charging process, and meanwhile, the two first limit flanges 111 also play a role in pushing and guiding the lithium ion battery module, so that pole pieces of a positive electrode and a negative electrode of the lithium ion battery module can accurately correspond to the conductive unit 21 of the charging device, and the charging operation becomes more convenient.

Further, referring to fig. 1 to 3, the two ends of the mounting plate 12 are provided with second limiting flanges 121. In the charging process, one second limiting flange 121 abuts against one end of the lithium ion battery module, and the other second limiting flange 121 abuts against the other end of the lithium ion battery module, so that the lithium ion battery module is effectively prevented from falling down due to external force collision in the charging process, meanwhile, the phenomenon that the lithium ion battery module shifts in the charging process to cause the tab to be separated from the conductive unit 21 can also be avoided, and the reliability of the charging device is effectively improved.

Further, with continued reference to fig. 1-3, the support plate 11 and the mounting plate 12 are perpendicularly connected to each other. Because the lithium ion battery module is usually square, the supporting plate 11 and the mounting plate 12 are connected in a mutually perpendicular manner, so that the conductive unit 21 can be effectively abutted against the lug of the lithium ion battery module, the situation that the lithium ion battery module cannot be charged due to poor contact is effectively avoided, and the reliability of the charging device is effectively improved.

In an embodiment, please refer to fig. 4, the base 10 is provided with a plurality of electrical vias 122, and the electrical vias 122 correspond to the conductive units 21 one by one. Connect electric hole 122 to be used for the power supply plug to insert, make and connect electric plate 211 and external power source switch-on, connect electric plate 211 butt when elastic conducting strip 212 pressurized back and can realize charging the lithium ion battery module, further improve the convenience of the operation of charging.

In an embodiment, as shown in fig. 3 and fig. 4, the contact plate 211 is provided with a boss portion 2111 for abutting against the elastic conductive sheet 212. By providing the boss portion 2111, the elastic conductive sheet 212 can be ensured to be effectively abutted against the power connection plate 211, charging failure due to poor contact between the elastic conductive sheet 212 and the power connection plate 211 is prevented, and reliability of the charging device is effectively improved.

In an embodiment, with continued reference to fig. 3 and 4, the flexible conductive sheet 212 includes a conductive portion 2121 and an insulating connecting portion 2122 connected to each other, the conductive portion 2121 abuts against the boss portion 2111, and the insulating connecting portion 2122 is connected to the contact board 211. Specifically, the insulating connection portion 2122 is made of an insulating material having elasticity, such as PVC, rubber, silicone, and the like, and is not particularly limited herein. The conductive portion 2121 is connected to the contact plate 211 via an insulating connecting portion 2122, so that the conductive portion 2121 is electrically isolated from the contact plate 211 in the non-use state, so that the contact plate 211 and the conductive portion 2121 are normally open, and when the elastic conductive sheet 212 is pressed by the lithium ion battery module, the insulating connecting portion 2122 is pressed and deformed, so that the conductive portion 2121 abuts against the boss portion 2111, so that the contact plate 211 and the conductive portion 2121 are closed and energized.

Further, as shown in fig. 5, the insulating connection portion 2122 has a first connection portion 2123 and a second connection portion 2124, the first connection portion 2123 is used for connecting to the conductive portion 2121, and the second connection portion 2124 is used for connecting to the power connection board 211. When the conductive portion 2121 is pressed, the first connection portion 2123 and the second connection portion 2124 approach each other, so that the conductive portion 2121 abuts against the boss portion 2111, and charging of the lithium ion battery is started, and when the pressure applied to the conductive portion 2121 disappears, the insulating connection portion 2122 elastically separates the first connection portion 2123 and the second connection portion 2124 from each other, so that the conductive portion 2121 is separated from the boss portion 2111, and charging of the lithium ion battery is stopped.

Further, with reference to fig. 5, the first connecting portion 2123 is provided with a socket 2125 for being sleeved with the conductive portion 2121, the second connecting portion 2124 is provided with a connecting hole 2126, and the second connecting portion 2124 is fixedly connected to the electrical connection board 211 after passing through the connecting hole 2126 by using a fastener.

Of course, there are various ways of connecting the conductive part 2121 and the first connecting part 2123, such as bonding or clamping, and there are also various ways of connecting the contact plate 211 and the second connecting part 2124, such as bonding or clamping.

In another embodiment, the elastic conductive sheet 212 includes a conductive portion 2121 and an insulating compression spring connected between the contact plate 211 and the conductive portion 2121, in the non-use state, the conductive portion 2121 is separated from the contact plate 211 by the insulating compression spring, so that the contact plate 211 and the conductive portion 2121 are normally open, and when the lithium ion battery module presses the elastic conductive sheet 212, the insulating compression spring is compressed and deformed, so that the conductive portion 2121 abuts against the boss portion 2111, so that the contact plate 211 and the conductive portion 2121 are closed and energized.

In one embodiment, the surface of the base 10 is provided with an antistatic coating. Through set up antistatic coating on base 10 surface, effectively prevent that base 10 surface from producing static, avoid static to cause the damage to lithium ion battery module, further improve above-mentioned charging device's reliability.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a charging device for lithium ion battery module to echelon utilization charges which characterized in that: including the base and locate parallelly to each other two electrically conductive modules on the base, electrically conductive module includes along the linear arrangement a plurality of electrically conductive units, electrically conductive unit including connect the electroplax and with connect the elastic conducting strip that the electroplax kept normally open state, elastic conducting strip after the pressurized with connect the electroplax butt.

2. The charging device according to claim 1, wherein: the base includes interconnect's backup pad and mounting panel, the backup pad is used for bearing lithium ion battery module, two electrically conductive module is located on the mounting panel.

3. The charging device according to claim 2, wherein: and the two end parts of the supporting plate are respectively provided with a first limiting flange.

4. The charging device according to claim 2, wherein: and the two end parts of the mounting plate are provided with second limiting flanges.

5. The charging device according to claim 2, wherein: the support plate is connected with the mounting plate in a mutually perpendicular manner.

6. The charging device according to claim 1, wherein: the base is provided with a plurality of electricity connecting holes, and the electricity connecting holes correspond to the conductive units one to one.

7. The charging device according to claim 1, wherein: and the electricity connecting plate is provided with a boss part which is used for being abutted against the elastic conducting strip.

8. The charging device according to claim 1, wherein: the elastic conducting strip comprises a conducting part and an insulating connecting part which are mutually connected, the conducting part is abutted to the electric connection plate, and the insulating connecting part is fixedly connected with the electric connection plate.

9. The charging device according to claim 8, wherein: the insulating connecting part is provided with a first connecting part and a second connecting part which are formed by bending, the first connecting part is used for being connected with the conductive part, and the second connecting part is used for being fixedly connected with the power connection board.

10. A charging arrangement as claimed in any of claims 1 to 9, in which: the surface of the base is provided with an antistatic coating.