CN211238297U

CN211238297U - Structure for preventing reverse pole assembly of battery

Info

Publication number: CN211238297U
Application number: CN201922247471.3U
Authority: CN
Inventors: 孟祥辉; 潘生泉
Original assignee: Hebei Allgrand Power Source Co ltd
Current assignee: Hebei Allgrand Power Source Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-08-11
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a structure for preventing battery reverse pole assembly, which is designed with unequal size A from a front row bridge-spanning inner pole column to the center of a battery cluster and size B from a rear row bridge-spanning inner pole column to the center of the battery cluster, and correspondingly corresponds an electrode connecting hole in a cover body and a middle counter bore; through above design, the lid of anti-lock reverse design and the inside bridge interior utmost point post of striding of battery case correspond the matching, and this scheme is applicable to the battery cluster quantity and is the battery of even number or odd, adopts this scheme back, has thoroughly solved the opposite emergence of single check antipole and lid equipment antipole under the condition that does not increase any part, and does not influence pleasing to the eye and performance, has reduced the manufacturing cost on the basis of reducing the production disability rate.

Description

Structure for preventing reverse pole assembly of battery

Technical Field

The utility model belongs to the technical field of battery equipment auxiliary device, in particular to prevent structure of battery antipole assembly.

Background

In recent years, with the rapid development of new energy technology, the application field of lead-acid storage batteries is continuously expanded, and the demand is greatly increased.

In the production and manufacturing process, as shown in fig. 1 and 2, the cross-bridge internal poles of a single battery cluster are designed in a symmetrical structure in the diagonal or centerline direction, and when the battery cluster is assembled, the single cluster needs to be turned by 180 degrees in the battery case to realize the exchange of the positive pole and the negative pole, so that the series assembly of a plurality of battery clusters in the battery case is realized; the problems encountered at present are: all be provided with two busbars in every battery cluster, a busbar is responsible for the connection of a plurality of positive plates, and another busbar is responsible for the connection of a plurality of negative plates, because of two busbars are very similar, the difference only lies in wherein positive busbar design short a little, is difficult to discern during the equipment, causes the single check to weld the antipole easily and then causes the power to use the back promptly and scrap, not only the cost of wasting but also influence market reputation.

The applicant designs various tool fixtures for preventing the reverse installation of the electrodes through technical innovation, but the tools can only carry out the detection of the reverse installation prevention on the bus bar in the prior welding technology, and the hidden trouble cannot be fundamentally eliminated.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a structure for preventing reverse-pole assembly of a battery, which is designed to solve the problem of high rejection rate caused by single-battery cluster assembly in the prior art, and to eliminate the hidden trouble thoroughly.

The utility model provides a technical scheme that its technical problem adopted is:

a structure for preventing the reverse pole assembly of a battery comprises a cover body matched with a battery case, wherein butt-joint grooves are formed in the periphery of the cover body to realize the insertion connection with the top edge of the battery case; the inside of the cover body is provided with a supporting clapboard corresponding to the battery case middle clapboard, and the supporting clapboard is provided with a butt joint groove for realizing the insertion of the middle clapboard;

the battery case is internally provided with a plurality of battery clusters, each battery cluster is provided with a positive bus bar and a negative bus bar, and the plurality of battery clusters are connected in series by connecting the positive bus bars and the negative bus bars on the adjacent battery clusters end to realize series connection; each anode busbar and each cathode busbar are provided with extension sections, and each extension section is provided with an electrode column or a bridge-spanning inner pole; the extension sections on the two busbars in each battery cluster are designed to be unequal in length; after the battery cluster is assembled and connected in the battery shell, the size A from the front row of bridge-spanning internal pole columns to the center of the battery cluster is not equal to the size B from the rear row of bridge-spanning internal pole columns to the center of the battery cluster;

a middle counter bore is arranged on the supporting clapboard, and the design position of the middle counter bore is matched with the arrangement position of the inner pole of the span bridge in the battery shell;

and the inner side surface of the cover body is provided with an electrode butt joint hole, and the electrode butt joint hole is correspondingly matched with a positive pole column and a negative pole column in the battery case.

The cover body is made of ABS material or polycarbonate material, and the inner pole is correspondingly eccentrically adjusted.

The left side and the right side of the cover body are provided with cover lifting handles.

Preferably, the difference between the dimension A and the dimension B is 10-15 mm.

The utility model discloses following beneficial effect has: through the design, the utility model designs the unequal size A from the front row bridge-spanning inner pole column to the center of the battery cluster and the size B from the rear row bridge-spanning inner pole column to the center of the battery cluster, and correspondingly corresponds the electrode connecting hole in the cover body and the middle counter bore; through the design, the cover body of the anti-buckling reverse design is correspondingly matched with the bridge-spanning inner pole inside the battery shell, the scheme is suitable for the storage battery with the even number or the odd number (more than or equal to 3) of the battery cluster number, after the scheme is adopted, the problem of single-lattice reverse pole and cover body assembly reverse pole is thoroughly solved under the condition of not increasing any part, the appearance and the use performance are not influenced, and the production and manufacturing cost is reduced on the basis of reducing the production rejection rate.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the three-dimensional splitting structure of the present invention;

FIG. 2 is a schematic view of the top view of the assembly of the cluster and the bus bar in the battery case;

FIG. 3 is a schematic view of the inner side of the cover;

FIG. 4 is a schematic view of the outer side of the cover;

FIG. 5 is a schematic view of the top view of the assembly of the cluster and the bus bar in the battery case II;

FIG. 6 is a schematic view of the inner side of the cover II;

in the figure, 1, a battery case, 2, a cover body, 3, a battery cluster, 31, a negative bus bar, 32, a positive bus bar, 4, a negative pole column, 5, a positive pole column, 6, an electrode butt joint hole, 7, a cover lifting handle, 8, a middle counter bore, 9, a butt joint groove, 10, a supporting partition board, 11, a bridge-spanning inner pole column, 12, a side board, 13, a middle partition board, 14 and an extension section.

Detailed Description

The invention will be further described by means of embodiments,

a structure for preventing reverse pole assembly of batteries is disclosed, as shown in figure 1, a plurality of groups of battery clusters 3 are arranged in a battery case 1, each group of battery clusters 3 are separated by a middle partition plate 13, and butt-joint grooves 9 are arranged around a cover body 2 to realize the insertion connection with the top edge of the battery case 1; the inside of the cover body 2 is provided with a supporting clapboard 10 corresponding to the clapboard in the battery case 1, and the supporting clapboard 10 is provided with a butt joint groove 9 for realizing the insertion connection with the clapboard 13; the cover body 2 is made of ABS material or polycarbonate material, and the left side and the right side of the cover body 2 are provided with cover lifting handles 7 which are convenient for the removal of the battery during the molding assembly and the use after the assembly;

the utility model discloses a focus lies in: a plurality of battery clusters 3 are arranged in the battery shell 1, each battery cluster 3 is provided with a positive bus bar 32 and a negative bus bar 31, and when the plurality of battery clusters 3 are connected in series, the positive bus bars 32 and the negative bus bars 31 on adjacent battery clusters are connected end to end through the bridge-spanning inner pole 11 to realize series connection; each of the positive electrode bus bar 32 and the negative electrode bus bar 31 is provided with an extension section 14, and the extension section 14 is provided with an electrode post or a bridge-spanning inner electrode post 11; the extension sections 14 on the two busbars inside each battery cluster 3 are designed in unequal lengths, as shown in fig. 3, after the battery clusters 3 are assembled and connected inside the battery case 1, the size a from the front row of bridge-spanning internal poles 11 to the center of the battery cluster is unequal to the size B from the rear row of bridge-spanning internal poles to the center of the battery cluster 3;

further, a middle counter bore 8 is arranged on the supporting partition plate 10, and the design position of the middle counter bore 8 is matched with the arrangement position of a bridge-spanning inner pole 11 in the battery shell;

meanwhile, the inner side surface of the cover body 2 is provided with an electrode connecting hole 6, and the electrode connecting hole 6 is correspondingly matched with the positive pole 5 and the negative pole 4 in the battery case.

As shown in fig. 2 and fig. 3, this scheme is applied to single battery case 1 inside and is provided with six even number battery clusters 3, stride the design of the size a of bridge interior utmost point post to battery cluster center department with the back row and stride the design of the size B of bridge interior utmost point post to battery cluster center department unequal, and size a is 10 millimeters with size B's difference, negative pole post 4 and positive pole post 5 design this moment are in one side, through asymmetric design, when carrying out battery cluster 3 installation, if anodal busbar 32 appears homopolar connection with negative busbar 31 when being connected, cross bridge interior utmost point post 11 at the butt joint can appear the situation of length difference and can't align the welding, with this realization battery cluster 3 prevents slow-witted equipment design when concatenating.

As shown in fig. 5 and 6, this scheme is applied to single battery case 1 inside and is provided with 5 even number battery clusters 3, stride the interior utmost point post of bridge to battery cluster center department's size A with the back row and stride the interior utmost point post of bridge to the design of battery cluster center department's size B inequality, and A is 10 millimeters with size B's difference, negative pole post 4 and positive pole post 5 set up relatively this moment, through asymmetric design, when carrying out battery cluster 3 installation, if homopolar connection appears when connecting in positive busbar 32 and negative busbar 31, the condition that can appear not of uniform length and can't align the welding in the interior utmost point post 11 of crossing the bridge of butt joint department.

Through many times of practical verification, the difference between the size A and the size B is in the optimal state within the range of 10-15 mm, so that the obvious warning effect can be realized, and the cost of the lead bus bar cannot be increased.

To summarize: the utility model discloses an above design, the lid of anti-lock reverse design and the inside bridge interior utmost point post of striding of battery case correspond the matching, and this scheme is applicable to the battery cluster quantity and is the battery of even number or odd number (≧ 3), adopts this scheme after, has thoroughly solved the opposite utmost point of single check and the opposite utmost point emergence of lid equipment under the condition that does not increase any part, and does not influence pleasing to the eye and performance, has reduced the manufacturing cost on the basis that reduces the production disability rate.

Claims

1. A structure for preventing the reverse pole assembly of a battery comprises a cover body matched with a battery case, wherein butt-joint grooves are formed in the periphery of the cover body to realize the insertion connection with the top edge of the battery case; the inside of the cover body is provided with a supporting clapboard corresponding to the battery case middle clapboard, and the supporting clapboard is provided with a butt joint groove for realizing the insertion of the middle clapboard;

the method is characterized in that: the battery case is internally provided with a plurality of battery clusters, each battery cluster is provided with a positive bus bar and a negative bus bar, and the plurality of battery clusters are connected in series by connecting the positive bus bars and the negative bus bars on the adjacent battery clusters end to realize series connection; each anode busbar and each cathode busbar are provided with extension sections, and each extension section is provided with an electrode column or a bridge-spanning inner pole; the extension sections on the two busbars in each battery cluster are designed to be unequal in length; after the battery cluster is assembled and connected in the battery shell, the size A from the front row of bridge-spanning internal pole columns to the center of the battery cluster is not equal to the size B from the rear row of bridge-spanning internal pole columns to the center of the battery cluster;

2. The structure for preventing battery reversal assembly of claim 1, wherein: the cover body is made of ABS material or polycarbonate material.

3. The structure for preventing battery reversal assembly of claim 1, wherein: the left side and the right side of the cover body are provided with cover lifting handles.

4. The structure for preventing battery reversal assembly of claim 1, wherein: the difference between the size A and the size B is 10-15 mm.