Lead-acid storage battery
Technical Field
The utility model belongs to the technical field of storage batteries, and particularly relates to a lead-acid storage battery.
Background
Lead acid batteries (VRLA), which are batteries in which the electrodes are made mainly of lead and its oxides and the electrolyte is a sulfuric acid solution. In a discharge state of the lead-acid battery, the main component of the positive electrode is lead dioxide, and the main component of the negative electrode is lead; in the charged state, the main components of the anode and the cathode are lead sulfate.
The lead-acid storage battery in the prior art is generally characterized in that a separator is directly arranged between a positive plate and a negative plate for separation, the separator is in a free movable state and is used for preventing short circuit from occurring between the positive plate and the negative plate, and active substances attached to the surfaces of the positive plate and the negative plate are easy to fall off in the long-term use process, so that the service life of the battery is reduced.
Disclosure of utility model
The utility model provides a lead-acid storage battery, which is used for solving the problems that active substances on positive plates and negative plates of the lead-acid storage battery in the prior art are easy to fall off and the service life of the battery is reduced.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a lead acid battery, includes battery case and battery cover, battery case inside is equipped with a plurality of through the spaced electrolysis trough of middle baffle, corresponds in every electrolysis trough and is equipped with electrode module, positive, negative pole post is drawn forth through the battery cover after each electrode module establishes ties, positive, negative pole post is last to have set firmly the anticreep binding clip, electrode module includes positive plate, negative plate and location baffle, positive plate and negative plate outside cover are equipped with the anticreep bag that prevents that the active material drops, every positive plate and negative plate both sides all are equipped with the location baffle, a plurality of location baffle is fixed in order to make every positive plate and negative plate all pressed from both sides by two location baffles through four reference column connection.
Further, one side of the positioning partition plate is provided with four positioning corners used for limiting the polar plate, the space size defined by the four positioning corners is matched with the external dimension of the polar plate, and the four corners of the positioning partition plate are provided with positioning holes matched with the positioning columns.
Furthermore, the positioning partition board is made of plastic or glass fiber, and the positioning corner and the positioning partition board are integrally formed.
Further, arc grooves are formed in the inner wall, the bottom and the side wall of the middle partition plate of the battery shell.
Further, anticreep binding clip includes binding clip body, line ball terminal and locking terminal, sets up on the binding clip body vertically set up with the bolt hole of line ball terminal adaptation and be used for just, the fixed perforation that the negative pole post passes through, fixed perforated lateral wall is open structure, set up on the binding clip body with fixed perforation open slot of intercommunication, open slot both sides wall passes through the second terminal transversely and locks fixed just, the negative pole post.
Further, the fixing perforation is a waisted structure with large ends and small middle parts or a waisted structure with small ends and large middle parts, and the parts of the positive pole and the negative pole columns matched with the fixing perforation are waisted structures with large ends and small middle parts or waisted structures with small ends and large middle parts.
Further, a pair of elastic strips are arranged on two sides of the electrode module.
Compared with the prior art, the utility model adopts the structure, and the technical progress is that:
The anti-falling bag is sleeved outside the positive plate and the negative plate, the positioning partition plates are tensioned and fixed through the four positioning columns, the positioning partition plates, the positive plate and the negative plate form a stable whole, so that each positive plate and each negative plate are clamped by the two positioning partition plates when being wrapped by the anti-falling bag, the surface active substances of the positive plate and the negative plate can be effectively prevented from falling off, the service life of the battery is prolonged, and the anti-falling device is suitable for the technical field of batteries.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
In the drawings:
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of an embodiment of the present utility model;
FIG. 3 is a schematic view of an electrode module according to an embodiment of the present utility model;
FIG. 4 is a schematic view of another structure of an electrode module according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a split structure of an electrode module according to an embodiment of the present utility model;
fig. 6 is a schematic view of a battery case according to an embodiment of the present utility model;
Fig. 7 is a schematic structural diagram of an anti-drop connector lug according to an embodiment of the utility model;
fig. 8 is a schematic cross-sectional view of an anti-drop connector lug according to an embodiment of the utility model.
Marking parts: the battery comprises the following components of a battery cover 01-battery cover 11-cover plate 02-battery shell 20-battery shell body 21-arc grooves, 03-electrode modules 31-positioning partition plates 310-positioning holes 311-positioning corners 32-negative plates 320-anti-falling bags 33-positive plates 34-positioning columns 35-positive and negative plates 36-elastic strips 04-anti-falling binding clips 41-line pressing terminals 42-binding clip bodies 420-open grooves 43-locking terminals.
Detailed Description
Preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are presented for purposes of illustration and explanation only and are not intended to limit the present utility model.
The utility model discloses a lead-acid storage battery, which is shown in figures 1-3 and comprises a battery shell 02 and a battery cover 01, wherein a plurality of electrolytic tanks separated by middle partition plates are arranged in the battery shell 02, electrode modules 03 are correspondingly arranged in each electrolytic tank, positive and negative electrode columns 35 are led out from the battery cover 01 after the electrode modules 03 are connected in series, anti-falling jointing clamps 04 are fixedly arranged on the positive and negative electrode columns 35, the electrode modules 03 comprise positive plates 33, negative plates 32 and positioning partition plates 31, anti-falling bags 320 for preventing active substances from falling are sleeved outside the positive plates 33 and the negative plates 32, positioning partition plates 31 are arranged on two sides of each positive plate 33 and each negative plate 32, and the positioning partition plates 31 are fixedly connected through four positioning columns 34 so that each positive plate 33 and each negative plate 32 are clamped by two positioning partition plates 31.
As a specific embodiment of the present utility model, as shown in fig. 4, a pair of elastic bars 36 are fixedly installed at the outer sides of both sides of each electrode module 03 through positioning posts 34. The elastic strip 36 is of an arc structure, is made of plastic, and can be transversely arranged or longitudinally arranged. By arranging the elastic strips 36, the electrode module 03 is elastically supported, so that the electrode module 03 can be relatively fixed with the inner wall of the electrolytic tank after being put into the electrolytic tank, and shaking and relative displacement can not be generated. When the gap between the electrode module 03 and the electrolytic cell is small, the separator paper can be used for filling, so that shaking is prevented.
The anti-falling bag 320 is sleeved outside the positive plate 33 and the negative plate 32, the positioning separators 31 are fixed by tightening through the four positioning posts 34, and the positioning separators 31, the positive plate 33 and the negative plate 32 form a stable whole, so that each positive plate 33 and each negative plate 32 are simultaneously clamped by the two positioning separators 31 when being wrapped by the anti-falling bag 320, and the surface active substances of the positive plate 33 and the negative plate 32 can be effectively prevented from falling off.
In addition, before the electrode module 03 serving as the electrode group is assembled and then assembled into the battery case 02, the binding tape is required to be stranded and fixed, the binding tape is detached again and assembled into the electrolytic cell of the battery case 02, the operation process is complex, the electrode modules are difficult to ensure that the electrode plates and the separator are kept neat and consistent, and the shell-entering efficiency is easy to influence. However, the electrode module 03 is formed into a stable whole by connecting and positioning the four positioning columns, so that the complex process of bundling and disassembling the binding belt is not needed, the uniformity of the electrode group can be ensured, and the electrode group can be ensured to smoothly enter the electrolytic tank of the battery shell 03.
As a specific embodiment of the present utility model, as shown in fig. 5, one side of the positioning partition 31 is provided with four positioning corners 311 for limiting the polar plate, the space size defined by the four positioning corners 311 is adapted to the external dimension of the polar plate, and the four corners of the positioning partition 31 are provided with positioning holes 310 adapted to the positioning columns 34. The positioning partition plate 31 is made of plastic or glass fiber, and the positioning corner 311 and the positioning partition plate 31 are integrally formed. Through setting up four location turning 311, positive plate 33 and negative plate 32 are limited in four location turning 311, can make between each positive plate 33 and negative plate 32 and the location baffle 31 form a relative fixed position, guarantee neat and the stability between each part, avoid the appearance of dislocation condition, make things convenient for the utmost point ear welding on each polar plate.
As a specific embodiment of the present utility model, as shown in fig. 6, arc grooves are formed on the inner wall, the bottom and the side wall of the middle separator of the battery case 02. The battery cover 01 is provided with a cover plate 11, and a plurality of liquid adding ports for adding electrolyte into the electrolytic tank are arranged below the cover plate 11. Specifically, the battery case 02 includes a battery case body 20, the inner wall, the bottom and the middle partition plate of the battery case body 20 are provided with arc grooves 21, when electrolyte is filled, the electrolyte can quickly flow to each position of the electrode module 03 along the arc grooves 21, and the electrolyte is filled between the electrode plates, so that the efficiency of acid liquid filling can be improved, and the electrode plates are ensured to be fully immersed into the electrolyte.
As a specific embodiment of the present utility model, as shown in fig. 7, the anti-falling binding clip 04 includes a binding clip body 42, a pressing terminal 41 and a locking terminal 43, the binding clip body 42 is provided with a bolt hole longitudinally arranged and adapted to the pressing terminal 41 and a fixing through hole for passing through the positive and negative poles 35, the side wall of the fixing through hole is in an open structure, the binding clip body 42 is provided with an open slot 420 communicated with the fixing through hole, and two side walls of the open slot 420 transversely pass through the second terminal to fix the positive and negative poles 35. The fixing perforation is a waisted structure with large ends and small middle or a waisted structure with large ends and small middle, and the part of the positive pole and negative pole column 35 matched with the fixing perforation is a waisted structure with large ends and small middle or a waisted structure with small ends and large middle. The binding clip body 42 is locked and fixed with the positive pole and the negative pole posts 35 through the locking terminal 43, and the binding clip body 42 is connected with the outside through the line pressing terminal 41, so that the lead-acid storage battery is connected. In this embodiment, the first structure is adopted by the positive and negative poles and the binding clip body 42, as shown in fig. 8, the fixing hole is a waisted structure with two large ends and a small middle, the part of the positive and negative poles 35 matched with the fixing hole is a waisted structure with two large ends and a small middle, and the positive and negative poles 35 and the binding clip body 42 are matched with each other, so that the binding clip body 42 can tightly hold the positive and negative poles 35, on one hand, the binding clip body 42 can be prevented from falling off from the positive and negative poles, on the other hand, the contact area between the positive and negative poles is increased, and the reliable connection between the storage battery and external equipment is ensured.
In summary, the utility model can effectively prevent the active substances on the surface layers of the positive plate 33 and the negative plate 32 from falling off, prolong the service life of the battery, solve the problems that the active substances on the positive plate 33 and the negative plate 32 of the lead-acid storage battery in the prior art are easy to fall off, and reduce the service life of the battery, and is suitable for the technical field of batteries.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the scope of the claims of the present utility model.