CN216563426U

CN216563426U - Lead-acid storage battery separator and lead-acid storage battery

Info

Publication number: CN216563426U
Application number: CN202122855155.1U
Authority: CN
Inventors: 朱恒平; 何满; 吴万斌
Original assignee: Hoppecke Battery Systems Wuhan Co Ltd
Current assignee: Hoppecke Battery Systems Wuhan Co Ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-05-17
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a partition plate of a lead-acid storage battery and the lead-acid storage battery, wherein the partition plate comprises a partition plate main body extending along the vertical direction, the partition plate main body is provided with a front side surface and a rear side surface which are oppositely arranged along the front-back direction, the front side surface and/or the rear side surface is a setting surface, the setting surface is provided with an accommodating groove, the side wall of the accommodating groove penetrates through the upper side surface of the partition plate main body to be arranged, and two adjacent partition plates are butted to form an inserting groove with an opening at the upper end for accommodating a positive plate or a negative plate. According to the partition plate of the lead-acid storage battery, the containing groove is formed in the partition plate, the containing groove can limit the polar plates or the negative plates placed in the containing groove, the positive plates and the negative plates positioned on the front side and the rear side of the partition plate are prevented from being in contact with each other, and the problem of short circuit of the lead-acid storage battery due to the contact of the positive plates and the negative plates is effectively solved.

Description

Lead-acid storage battery separator and lead-acid storage battery

Technical Field

The utility model relates to the technical field of lead-acid storage battery structures, in particular to a partition plate of a lead-acid storage battery and the lead-acid storage battery.

Background

The separator of the lead-acid storage battery is an important component of the lead-acid storage battery, and is arranged between a positive plate and a negative plate of the lead-acid storage battery, so that the separator has the function of isolating the positive plate from the negative plate. The positive and negative plates in the lead-acid storage battery are alternately stacked and separated by the partition plate, so that the short circuit of the lead-acid storage battery caused by the contact of the positive and negative plates can be avoided. At present, a flat plate type separator cannot play a positioning role, a polar plate is easy to deviate relative to the separator, and when the deviation is large, the positive and negative polar plates exceed the edges of the separator and are in mutual contact, so that the lead-acid storage battery is in short circuit.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a partition plate of a lead-acid storage battery and the lead-acid storage battery, and aims to solve the problem that a polar plate cannot be limited by the partition plate, and the polar plate is easy to deviate relative to the partition plate, so that the lead-acid storage battery is short-circuited.

In order to achieve the above purpose, the present invention provides a separator for a lead-acid storage battery, where the separator includes a separator main body extending in an up-down direction, the separator main body has a front side surface and a rear side surface which are oppositely arranged in the front-back direction, the front side surface and/or the rear side surface is an installation surface, the installation surface is provided with an accommodation groove, a side wall of the accommodation groove is arranged to penetrate through the upper side surface of the separator main body, and an insertion groove with an open upper end is formed by butting two adjacent separators to accommodate a positive plate or a negative plate.

Optionally, the side wall of the receiving groove is provided through the lower side of the partition body.

Optionally, the material of the partition board is ultra-fine glass wool.

The utility model also provides a lead-acid storage battery, which comprises the partition plates of the lead-acid storage battery, wherein each partition plate comprises a partition plate main body extending in the vertical direction, each partition plate main body is provided with a front side surface and a rear side surface which are oppositely arranged in the front-back direction, an accommodating groove is arranged on the arrangement surface of the front side surface and/or the rear side surface, the side wall of each accommodating groove penetrates through the upper side surface of each partition plate main body, and an inserting groove with an opening at the upper end can be formed by butting two adjacent partition plates for accommodating the positive plate or the negative plate.

Optionally, a plurality of the partition plates are arranged, and the plurality of the partition plates are mutually butted to form a plurality of the insertion grooves;

the lead-acid storage battery also comprises a plurality of positive plates and a plurality of negative plates, wherein the positive plates and the negative plates are correspondingly and alternately inserted into the insertion grooves.

Optionally, the groove depth of the accommodating groove is greater than or equal to the thickness of the positive plate.

Optionally, the groove depth of the accommodating groove is greater than or equal to the thickness of the negative plate.

Optionally, the front side surface and the rear side surface are both provided with the accommodating groove, and the groove depth of the accommodating groove is greater than one third of the thickness of the positive plate and less than or equal to one half of the thickness of the positive plate.

Optionally, the front side surface and the rear side surface are both provided with the accommodating groove, and the groove depth of the accommodating groove is greater than one third of the thickness of the negative plate and less than or equal to one half of the thickness of the negative plate.

Optionally, the front side surface and the rear side surface are provided with the accommodating grooves, a groove depth of one of the accommodating grooves is equal to one half of the thickness of the negative plate, and a groove depth of the other accommodating groove is equal to one half of the thickness of the positive plate.

In the technical scheme of the utility model, the partition plate comprises a partition plate main body extending in the up-down direction, the partition plate main body is provided with a front side surface and a rear side surface which are oppositely arranged in the front-back direction, the front side surface and/or the rear side surface is an arrangement surface, the arrangement surface is provided with an accommodating groove, the side wall of the accommodating groove penetrates through the upper side surface of the partition plate main body to be arranged, and an insertion groove with an opening at the upper end can be formed by butting two adjacent partition plates for accommodating a positive plate or a negative plate. Be provided with on the baffle the holding tank, the holding tank can be to placing in the holding tank the positive plate or the negative plate carries on spacingly, avoids being located the side around the baffle the positive plate with the negative plate contacts each other, effectively solves lead acid battery because of the problem of positive negative plate contact short circuit.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of one embodiment of a separator for a lead-acid battery provided by the present invention;

FIG. 2 is a schematic view of the assembly of the separator, positive plate and negative plate of a lead acid battery;

FIG. 3 is a schematic structural view of another embodiment of a separator for a lead-acid battery provided by the present invention;

FIG. 4 is a schematic diagram of a separator of the lead acid battery of FIG. 3 from another perspective;

FIG. 5 is a schematic illustration of the assembly of the separator, positive plate and negative plate of the lead acid battery of FIG. 3;

FIG. 6 is a schematic structural view of yet another embodiment of a separator for a lead acid battery provided by the present invention;

FIG. 7 is a top view of a separator of the lead acid battery of FIG. 6;

FIG. 8 is a schematic structural view of a separator for a lead-acid battery according to an embodiment of the present invention;

fig. 9 is a top view of a separator of the lead acid battery of fig. 8.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				1	Partition board	14	Accommodating tank
11	Front side	15	Inserting groove
				12	Rear side	200	Positive plate
13	Upper side surface	300	Negative plate

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B", including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The separator of the lead-acid storage battery is an important component of the lead-acid storage battery, is arranged between a positive plate and a negative plate of the lead-acid storage battery, and has the function of isolating the positive plate from the negative plate. The positive and negative plates in the lead-acid storage battery are alternately stacked and separated by the partition plate, so that the short circuit of the lead-acid storage battery caused by the contact of the positive and negative plates can be avoided. At present, a flat plate type separator cannot play a positioning role, a polar plate is easy to deviate relative to the separator, and when the deviation is large, a positive polar plate and a negative polar plate exceed the edges of the separator and are in mutual contact, so that the lead-acid storage battery is in short circuit.

In view of this, the utility model provides a separator of a lead-acid storage battery, where the accommodating groove is arranged on the separator, and the accommodating groove can limit the polar plates or the negative plates placed in the accommodating groove, so as to avoid the mutual contact between the positive plates and the negative plates located on the front and back side surfaces of the separator, and effectively solve the problem of short circuit of the lead-acid storage battery due to the contact between the positive and negative polar plates. As shown in fig. 1 and fig. 2, an embodiment of the separator of a lead-acid storage battery provided by the utility model is shown. As shown in fig. 3 and 5, another embodiment of the separator for a lead-acid storage battery provided by the present invention is provided. Referring to fig. 6 and 7, there is provided a separator for a lead-acid battery according to still another embodiment of the present invention. As shown in fig. 8 and 9, the present invention provides a separator for a lead-acid battery.

As shown in fig. 1 and 2, the present invention provides a separator 1 of a lead-acid storage battery, the separator 1 includes a separator body extending in an up-down direction, the separator body has a front side surface 11 and a rear side surface 12 oppositely disposed in a front-back direction, the front side surface 11 and/or the rear side surface 12 is a setting surface, the setting surface is provided with a receiving groove 14, a side wall of the receiving groove 14 is disposed through an upper side surface 13 of the separator body, and an insertion groove 15 capable of forming an upper end opening is butted between two adjacent separators 1 to receive a positive plate 200 or a negative plate 300.

In the technical scheme of the utility model, the separator 1 comprises a separator body extending in the up-down direction, the separator body is provided with a front side surface 11 and a rear side surface 12 which are oppositely arranged in the front-back direction, the front side surface 11 and/or the rear side surface 12 is an arrangement surface, the arrangement surface is provided with an accommodating groove 14, the side wall of the accommodating groove 14 is arranged through the upper side surface 13 of the separator body, and an insertion groove 15 with an open upper end is formed by butting two adjacent separators 1 and is used for accommodating the positive plate 200 or the negative plate 300. Be provided with on baffle 1 holding tank 14, holding tank 14 can be to placing in holding tank 14 positive plate 200 or negative plate 300 carry on spacingly, avoid being located the front and back side 12 of baffle 1 positive plate 200 with negative plate 300 contacts each other, effectively solve lead acid battery because of the problem of positive and negative plate contact short circuit.

The front side surface 11 is provided with the accommodating groove 14, the specific arrangement mode of the accommodating groove 14 is not limited, and the sidewall of the accommodating groove 14 may run through the upper side surface of the partition body, or the sidewall of the accommodating groove 14 may run through the upper side surface 13 and the lower side surface of the partition body. As shown in fig. 6 and 7, the side wall of the receiving groove 14 is provided through the lower side of the partition body. Through will the lateral wall of holding tank 14 runs through the last side 13 and the downside setting of baffle main part, adjacent two the butt joint can form the equal open-ended of upper and lower extreme and insert between baffle 1 and establish groove 15, with will the positive plate perhaps the negative plate is inserted and is established more convenient when holding tank 14.

Leading flank 11 with trailing flank 12 all is equipped with holding tank 14, holding tank 14's specific mode of setting is not the restriction, can holding tank 14's lateral wall runs through the last side setting of baffle main part, also can holding tank 14's lateral wall runs through the last side 13 and the downside setting of baffle main part. As shown in fig. 8 and 9, the side wall of the receiving groove 14 is provided through the lower side of the partition body. Through will the lateral wall of holding tank 14 runs through the last side 13 and the downside setting of baffle main part, adjacent two the butt joint can form the equal open-ended of upper and lower extreme and insert between baffle 1 and establish groove 15, with will the positive plate perhaps the negative plate is inserted and is established more convenient when holding tank 14.

The specific material of the separator 1 is not limited, and may be a wood separator 1, or may be microporous rubber, or may be ultrafine glass fiber. Specifically, in this embodiment, the material of the separator 1 is ultrafine glass fiber. The separator 1 material in a lead acid battery should have porosity and permeability and be chemically stable, i.e., have good acid and oxidation resistance. The superfine glass fiber is a porous material and has the advantages of corrosion resistance, good chemical stability and the like, the partition board 1 made of the superfine glass fiber is provided with a large number of micro pores and holes which are communicated with the inside and the outside, the electrolyte can be ensured to pass through, the contact between the positive and negative plates 300 can be blocked, the reaction speed of active substances and the electrolyte on the plates can be controlled, and the lead-acid storage battery can be protected. The separator 1 is formed by injection molding through a corresponding separator mold, is simple to process and manufacture, and is beneficial to improving the yield of the separator and reducing the production cost of the lead-acid storage battery.

The utility model also provides a lead-acid storage battery, which comprises a separator 1 of the lead-acid storage battery, and the specific structure of the separator 1 of the lead-acid storage battery refers to the embodiment. It can be understood that, since the lead-acid battery of the present invention adopts all the technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is provided herein.

The positive and negative plates in the lead-acid storage battery are embedded with each other, and are separated by a partition board 1 in order to avoid short circuit caused by the mutual contact of the positive and negative plates. Specifically, in the present embodiment, a plurality of the partition boards 1 are provided, and a plurality of the partition boards 1 are butted against each other to form a plurality of the insertion grooves 15; the lead-acid storage battery further comprises a plurality of positive plates 200 and a plurality of negative plates 300, wherein the plurality of positive plates 200 and the plurality of negative plates 300 are correspondingly and alternately inserted into the plurality of insertion grooves 15. The plurality of positive electrode plates 200 and the plurality of negative electrode plates 300 are arranged, and then the plurality of positive electrode plates 200 are connected in parallel to form a group of positive electrode plates 200, and the plurality of negative electrode plates 300 are connected in parallel to form a group of negative electrode plates 300. When the lead-acid storage battery is mounted, the positive electrode plate 200 and the negative electrode plate 300 are fitted to each other, and the separator 1 is inserted between the adjacent two positive electrode plates 200 and negative electrode plates 300, thereby obtaining a large capacity lead-acid storage battery.

The installation surface of the separator body is provided with an accommodating groove 14, and an insertion groove 15 with an open upper end is formed by butting two adjacent separators 1 and is used for accommodating the positive plate 200 or the negative plate 300. The groove depth of the receiving groove 14 is not particularly limited, and the groove depth of the receiving groove 14 may be greater than the thickness of the positive electrode plate 200, or the groove depth of the receiving groove 14 may be equal to the thickness of the positive electrode plate 200. In an embodiment, the depth of the accommodating groove 14 is equal to the thickness of the positive plate 200. It should be noted that the accommodating groove is disposed on the front side 11 or the rear side 12. By setting the depth of the accommodation groove to the thickness of the positive electrode plate 200, the positive electrode plate 200 can be accommodated in the accommodation groove 14 so that the position of the positive electrode plate 200 on the separator 1 is determined, that is, the positive electrode plate 200 is not displaced from the separator 1, and contact between the positive electrode plate 200 and the negative electrode plate 300 can be avoided. When the positive plate 200 is inserted into the insertion groove 15 formed by the mutual butt joint of the two adjacent separators 1, the butt joint between the two adjacent separators 1 is attached without a gap, and the positive plate 200 and the two adjacent separators 1 are not provided with a gap.

The installation surface of the separator body is provided with an accommodating groove 14, and an insertion groove 15 with an open upper end is formed by butting two adjacent separators 1 and is used for accommodating the positive plate 200 or the negative plate 300. The groove depth of the accommodating groove 14 is not particularly limited, and the groove depth of the accommodating groove 14 may be greater than the thickness of the negative electrode plate 300, or the groove depth of the accommodating groove 14 may be equal to the thickness of the negative electrode plate 300. Specifically, in the present embodiment, as shown in fig. 1 and 2, the groove depth of the receiving groove 14 is equal to the thickness of the negative electrode plate 300. Note that, the accommodating groove 14 is provided on the front side surface 11 or the rear side surface 12. By setting the groove depth of the receiving groove 14 to the thickness of the negative electrode plate 300 so that the negative electrode plate 300 can be received in the receiving groove 14 so that the position of the negative electrode plate 300 on the separator 1 is determined, that is, the negative electrode plate 300 is not offset from the separator 1, the contact between the positive electrode plate 200 and the negative electrode plate 300 can be avoided. When the negative plate 300 is inserted into the insertion groove 15 formed by the mutual butt joint of the two adjacent partition plates 1, the butt joint between the two adjacent partition plates 1 is attached without a gap, and the negative plate 300 and the two adjacent partition plates 1 are not provided with a gap.

When the front side surface 11 and the rear side surface 12 are both provided with the accommodating grooves 14, the two accommodating grooves 14 have the same groove depth. In an embodiment, the front side surface 11 and the rear side surface 12 are both provided with the receiving groove 14, and the depth of the receiving groove 14 is greater than one third of the thickness of the positive electrode plate 200 and less than or equal to one half of the thickness of the positive electrode plate 200. When the groove depth of the accommodating groove 14 is less than one third of the thickness of the positive plate 200, the limiting effect of the accommodating groove 14 on the positive plate 200 inserted therein is poor, and when the groove depth of the accommodating groove 14 is greater than one half of the thickness of the positive plate 200, the separator 1 is easily deformed by pressing during use.

Specifically, in the present embodiment, as shown in fig. 3 to 5, the front side surface 11 and the rear side surface 12 are both provided with the accommodating groove 14, and the depth of the accommodating groove 14 is equal to one half of the thickness of the positive electrode plate 200. By setting the received groove depth on both the front side surface 11 and the rear side surface 12 to be half the thickness of the positive electrode plate 200 so that the positive electrode plate 200 can be received in the receiving groove 14 while the negative electrode plate 300 can be received in the receiving groove 14 or partially positioned in the receiving groove 14 so that the positions of the positive electrode plate 200 and the negative electrode plate 300 on the separator 1 are determined, i.e., the positive electrode plate 200 and the negative electrode plate 300 are both offset from the separator 1, contact between the positive electrode plate 200 and the negative electrode plate 300 can be avoided. When the positive plate 200 is inserted into the insertion groove 15 formed by the mutual butt joint of the two adjacent separators 1, the butt joint between the two adjacent separators 1 is attached without a gap, and the positive plate 200 and the two adjacent separators 1 are not provided with a gap.

When the front side surface 11 and the rear side surface 12 are both provided with the receiving grooves 14, and the two receiving grooves 14 have the same groove depth. In one embodiment, the accommodating groove 14 is formed in each of the front side surface 11 and the rear side surface 12, and the depth of each accommodating groove 14 is greater than one third of the thickness of the negative electrode plate 300 and less than or equal to one half of the thickness of the negative electrode plate 300. When the groove depth of the accommodating groove 14 is less than one third of the thickness of the negative electrode plate 300, the accommodating groove 14 has a poor limiting effect on the negative electrode plate 300 inserted therein, and when the groove depth of the accommodating groove 14 is greater than one half of the thickness of the negative electrode plate 300, the separator 1 is easily deformed by extrusion in use.

Specifically, the front side surface 11 and the rear side surface 12 are each provided with the receiving groove 14, and the receiving groove 14 has a groove depth equal to one half of the thickness of the negative plate 300. By setting the received groove depth on both the front side surface 11 and the rear side surface 12 to be half the thickness of the negative electrode plate 300 so that the negative electrode plate 300 can be received in the receiving groove 14 while the positive electrode plate 200 can be received in the receiving groove 14 or partially positioned in the receiving groove 14 so that the positions of the positive electrode plate 200 and the negative electrode plate 300 on the separator 1 are determined, that is, the positive electrode plate 200 and the negative electrode plate 300 are both offset from the separator 1, the positive electrode plate 200 and the negative electrode plate 300 can be prevented from contacting. When the negative plate 300 is inserted into the insertion groove 15 formed by the mutual butt joint of the two adjacent partition plates 1, the butt joint between the two adjacent partition plates 1 is attached without a gap, and the negative plate 300 and the two adjacent partition plates 1 are not provided with a gap.

When the front side surface 11 and the rear side surface 12 are provided with the receiving grooves 14 and the two receiving grooves 14 have different groove depths, in an embodiment, the front side surface 11 and the rear side surface 12 are provided with the receiving grooves 14, the groove depth of one of the receiving grooves 14 is equal to one half of the thickness of the negative electrode plate 300, and the groove depth of the other receiving groove 14 is equal to one half of the thickness of the positive electrode plate 200. By providing the receiving grooves 14 in both the front side 11 and the rear side 12 such that the positive electrode plates 200 and the negative electrode plates 300 are correspondingly positioned in the respective receiving grooves 14 such that the positions of the positive electrode plates 200 and the negative electrode plates 300 on the separator 1 are determined, i.e., the positive electrode plates 200 and the negative electrode plates 300 are offset from the separator 1, the positive electrode plates 200 and the negative electrode plates 300 can be prevented from contacting. When two adjacent separators 1 are butted, the arrangement surfaces with the same groove depth are opposite, so that when the positive plate 200 is inserted into the insertion groove 15 formed by butting two adjacent separators 1, the butted part of the two adjacent separators 1 is jointed without gap, and the positive plate 200 and the two adjacent separators 1 are not gap; when the negative plate 300 is inserted into the insertion groove 15 formed by the mutual butt joint of the two adjacent partition plates 1, the butt joint between the two adjacent partition plates 1 is attached without a gap, and the negative plate 300 and the two adjacent partition plates 1 are not provided with a gap.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a lead acid battery's baffle, its characterized in that, the baffle includes along the baffle main part of upper and lower to extending, the baffle main part has along the front and back to the leading flank and the trailing flank that set up relatively, the leading flank and/or the trailing flank is for setting up the face, it is equipped with the holding tank to set up the face, the lateral wall of holding tank runs through the side setting of going up of baffle main part, adjacent two the butt joint can form upper end open-ended and insert the groove of establishing between the baffle for hold and establish positive plate or negative plate.

2. The separator for a lead-acid storage battery according to claim 1, wherein the side wall of said housing groove is provided through the lower side face of said separator main body.

3. The separator for a lead-acid storage battery according to claim 1, wherein the material of the separator is ultrafine glass fibers.

4. A lead-acid storage battery comprising the separator for a lead-acid storage battery according to any one of claims 1 to 3.

5. The lead-acid storage battery according to claim 4, wherein said separator is provided in plurality, and a plurality of said separators are butted against each other to form a plurality of said insertion grooves;

6. The lead-acid battery according to claim 5, characterized in that the groove depth of the accommodation groove is greater than or equal to the thickness of the positive plate.

7. The lead-acid battery according to claim 5, characterized in that the groove depth of the accommodation groove is greater than or equal to the negative plate thickness.

8. The lead-acid storage battery according to claim 5, characterized in that the front side surface and the rear side surface are both provided with the accommodating grooves, and the groove depths of the accommodating grooves are both greater than one third of the thickness of the positive electrode plate and less than or equal to one half of the thickness of the positive electrode plate.

9. The lead-acid storage battery according to claim 5, characterized in that the front side face and the rear side face are each provided with the accommodation groove, and the accommodation grooves each have a groove depth greater than one third and equal to or less than one half of the thickness of the negative electrode plate.

10. The lead-acid battery of claim 5, wherein said front side and said rear side are each provided with said receiving grooves, wherein one of said receiving grooves has a groove depth equal to one-half of the thickness of said negative plate and the other of said receiving grooves has a groove depth equal to one-half of the thickness of said positive plate.