阅读说明：本技术 新型铅酸电池的板栅 (Grid of novel lead-acid battery ) 是由 蔡宏 于 2021-08-24 设计创作，主要内容包括：本发明公开一种新型铅酸电池的板栅,包括纯铅板栅本体以及加强组件,所述纯铅板栅本体具有相对的两个第一侧,所述纯铅板栅本体包括框体以及设于框体内的多个板栅筋条,多个板栅筋条包括多个板栅横向筋条和多个板栅纵向筋条,多个所述板栅横向筋条和多个所述板栅纵向筋条交织形成多个板栅网格；所述加强组件包括套设于所述框体的加强框和设于所述加强框内的至少一个加强件,所述加强件设于所述纯铅板栅本体的第一侧,且与多个所述板栅筋条连接,其中,所述板栅网格用以填充活性物质。加强所述纯铅板栅本体的结构,能有效抑制所述纯铅板栅本体在使用过程中的变形长大和活性物质的脱落,延长使用寿命,提高生产合格率。(The invention discloses a grid of a novel lead-acid battery, which comprises a pure lead grid body and a reinforcing assembly, wherein the pure lead grid body is provided with two opposite first sides, the pure lead grid body comprises a frame body and a plurality of grid ribs arranged in the frame body, the grid ribs comprise a plurality of grid transverse ribs and a plurality of grid longitudinal ribs, and the grid transverse ribs and the grid longitudinal ribs are interwoven to form a plurality of grid meshes; the reinforcing assembly comprises a reinforcing frame sleeved on the frame body and at least one reinforcing piece arranged in the reinforcing frame, the reinforcing piece is arranged on the first side of the pure lead grid body and connected with the plurality of grid ribs, and grid meshes are used for filling active substances. The structure of the pure lead grid body is strengthened, deformation and growth of the pure lead grid body in the using process and falling-off of active substances can be effectively inhibited, the service life is prolonged, and the production qualified rate is improved.)

1. A novel grid of a lead-acid battery, comprising:

the pure lead grid comprises a pure lead grid body and a plurality of grid ribs, wherein the pure lead grid body is provided with two opposite first sides and comprises a frame body and the grid ribs arranged in the frame body, the grid ribs comprise a plurality of grid transverse ribs and a plurality of grid longitudinal ribs, and the grid transverse ribs and the grid longitudinal ribs are interwoven to form a plurality of grid meshes; and the number of the first and second groups,

the reinforcing assembly comprises a reinforcing frame sleeved on the frame body and at least one reinforcing piece arranged in the reinforcing frame, and the reinforcing piece is arranged on the first side of the pure lead grid body and connected with the grid ribs;

wherein the grid mesh is used for filling active substances.

2. The grid of a novel lead-acid battery of claim 1, wherein the two reinforcements are respectively arranged on two first sides of the pure lead grid body and surround the pure lead grid body with the reinforcing frame.

3. The grid for a novel lead-acid battery of claim 1, wherein the reinforcement includes a plurality of reinforcing ribs connected to the frame, each reinforcing rib connected to each grid rib, the plurality of reinforcing ribs including a first plurality of reinforcing ribs and a second plurality of reinforcing ribs, each first reinforcing rib connecting a second plurality of reinforcing ribs.

4. The grid for a novel lead-acid battery of claim 3, wherein one of the first and second reinforcing ribs is configured to reinforce the transverse ribs and the other is configured to reinforce the longitudinal ribs.

5. The grid of a novel lead-acid battery of claim 3, wherein each of the reinforcing ribs has a protrusion projecting away from the first side of the pure lead grid body, the protrusion being coated with an active material.

6. The grid of a novel lead-acid battery according to claim 5, wherein the thickness of the protruding part is 0.3-3 mm.

7. The grid for a novel lead-acid battery of claim 6, wherein the protrusions have a thickness of 1 mm.

8. The grid for a novel lead-acid battery of claim 5 wherein each of said reinforcing bars has a triangular cross-sectional shape.

9. The grid of a novel lead-acid battery of claim 3, wherein some of the plurality of reinforcing bars are disposed on and overlap corresponding ones of the grid bars.

10. The grid of a novel lead-acid battery as claimed in claim 3, characterized in that the material of the reinforcing frame and the reinforcing ribs is PP or PE or ABS.

Technical Field

The invention relates to the technical field of batteries, in particular to a novel grid of a lead-acid battery.

Background

In the use process of the grid in the existing lead-acid battery, the grid is easy to deform due to low strength of pure lead materials; the volume of the active material changes during the discharge and charge processes; the positive plate grid is corroded and deformed while being corroded, the size of the plate grid is linearly increased, even individual ribs are broken, short circuits are caused at the edge and a bus bar, the positive plate is grown, and active substances fall off to cause failure.

Disclosure of Invention

The invention mainly aims to provide a novel grid of a lead-acid battery, which aims to inhibit the deformation of the grid in the using process and solve the problem of failure caused by the falling of an active substance.

In order to achieve the above object, the present invention provides a novel grid for a lead-acid battery, comprising:

the pure lead grid comprises a pure lead grid body and a plurality of grid ribs, wherein the pure lead grid body is provided with two opposite first sides and comprises a frame body and the grid ribs arranged in the frame body, the grid ribs comprise a plurality of grid transverse ribs and a plurality of grid longitudinal ribs, and the grid transverse ribs and the grid longitudinal ribs are interwoven to form a plurality of grid meshes; and the number of the first and second groups,

the reinforcing assembly comprises a reinforcing frame sleeved on the frame body and at least one reinforcing piece arranged in the reinforcing frame, and the reinforcing piece is arranged on the first side of the pure lead grid body and connected with the grid ribs;

wherein the grid mesh is used for filling active substances.

Optionally, two reinforcing members are provided, and are respectively provided on two first sides of the pure lead grid body, and surround the pure lead grid body with the reinforcing frame.

Optionally, the reinforcement member comprises a plurality of reinforcing ribs connected to the reinforcing frame, each reinforcing rib being connected to each grid rib, the plurality of reinforcing ribs comprising a plurality of first reinforcing ribs and a plurality of second reinforcing ribs, each first reinforcing rib connecting a plurality of second reinforcing ribs.

Optionally, one of the first and second reinforcing bars is provided as a reinforcing transverse bar and the other is provided as a reinforcing longitudinal bar.

Optionally, each of the reinforcing ribs has a protrusion protruding away from the first side of the pure lead grid body, the protrusion being adapted to be coated with an active substance.

Optionally, the thickness of the protruding part is 0.3-3 mm.

Optionally, the protrusion has a thickness of 1 mm.

Optionally, each of the reinforcing ribs has a triangular cross-sectional shape.

Optionally, some of the plurality of reinforcing ribs are disposed on and overlap the corresponding grid ribs.

Optionally, the material of the reinforcing frame and the reinforcing rib is PP or PE or ABS.

In the technical scheme, a pure lead grid body is provided with two opposite first sides, the pure lead grid body comprises a frame body and a plurality of grid transverse ribs and a plurality of grid longitudinal ribs which are arranged in the frame body, the plurality of grid transverse ribs and the plurality of grid longitudinal ribs are interwoven to form a plurality of grid meshes, and the plurality of grid meshes are used for filling active substances; the reinforcing frame is sleeved outside the frame, the reinforcing piece is arranged on the first side of the pure lead grid body, and the reinforcing piece is connected with the grid ribs, so that the structure of the grid body is reinforced, the deformation growth of the pure lead grid body in the using process and the falling off of active substances can be effectively inhibited, the service life is prolonged, and the production yield is improved.

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 perspective view of an embodiment of a grid of a novel lead-acid battery provided by the present invention;

FIG. 2 is an enlarged schematic view of detail A of FIG. 1;

FIG. 3 is a schematic front view of FIG. 1;

fig. 4 is a schematic cross-sectional view along a-a of fig. 3.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Grid of novel lead-acid battery	2	Reinforcement assembly
1	Pure lead grid body	21	Reinforcing frame
				11	Frame body	22	Reinforcing rib
12	Grid rib	221	Reinforced transverse rib
				121	Transverse rib of grid	222	Reinforcing longitudinal rib
122	Longitudinal rib of grid	223	Projection part
				123	Grid mesh

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.

In the use process of the grid in the existing lead-acid battery, the grid is easy to deform due to low strength of pure lead materials; the volume of the active material changes during the discharge and charge processes; the positive plate grid is corroded and deformed while being corroded, the size of the plate grid is linearly increased, even individual ribs are broken, short circuits are caused at the edge and a bus bar, the positive plate is grown, and active substances fall off to cause failure.

In view of the above, the invention provides a novel grid of a lead-acid battery, which can effectively inhibit deformation and falling of active substances during the use process of the grid, prolong the service life, improve the mechanical strength of the grid and improve the production yield. Fig. 1 to fig. 4 show an embodiment of a grid of the novel lead-acid battery provided by the invention.

Referring to fig. 1 and fig. 2, a grid 100 of a novel lead-acid battery includes a pure lead grid body 1 and a reinforcing component 2, the pure lead grid body 1 has two opposite first sides, the pure lead grid body 1 includes a frame 11 and a plurality of grid ribs 12 arranged in the frame 11, the plurality of grid ribs 12 includes a plurality of grid transverse ribs 121 and a plurality of grid longitudinal ribs 122, and the plurality of grid transverse ribs 121 and the plurality of grid longitudinal ribs 122 are interwoven to form a plurality of grid meshes 123; the reinforcing assembly 2 comprises a reinforcing frame 21 sleeved on the frame body 11 and at least one reinforcing piece arranged in the reinforcing frame 21, wherein the reinforcing piece is arranged on the first side of the pure lead grid body 1 and connected with the grid ribs 12; wherein, the grid mesh 123 is used for filling active substances.

In the technical scheme of the invention, a pure lead grid body 1 is provided with two opposite first sides, the pure lead grid body 1 comprises a frame body 11 and a plurality of grid transverse ribs 121 and a plurality of grid longitudinal ribs 122 which are arranged in the frame body 11, the plurality of grid transverse ribs 121 and the plurality of grid longitudinal ribs 122 are interwoven to form a plurality of grid meshes 123, and the plurality of grid meshes 123 are used for filling active substances; through the reinforcing frame 21 that the framework 11 overcoat was established and at least one reinforcement that is equipped with in the reinforcing frame 21, the reinforcement is located the first side of pure lead grid body 1, the reinforcement is connected with a plurality of grid rib 12 to strengthen the structure of pure lead grid body 1 can effectively restrain pure lead grid body 1 deformation in the use is grown up and the active material drops, increase of service life, improves the production qualification rate.

In order to further inhibit the deformation growth and the falling of the active material of the pure lead grid body 1 in the using process, in this embodiment, the number of the reinforcing members is two, and the two reinforcing members are respectively arranged on two first sides of the pure lead grid body 1, and the reinforcing members are connected to the frame body 11 and surround the pure lead grid body 1 together with the reinforcing frame 21, so that two sides and the periphery of the reinforcing frame 21 are surrounded, the deformation growth and the falling of the active material in the using process are inhibited, the structure is reinforced, and the stability is improved.

Further, in this embodiment, the reinforcement member includes a plurality of reinforcing ribs 22 connected to the reinforcing frame 21, each reinforcing rib 22 being connected to each grid rib 12, the plurality of reinforcing ribs 22 including a plurality of first reinforcing ribs and a plurality of second reinforcing ribs, each first reinforcing rib connecting a plurality of second reinforcing ribs; each first reinforcing rib is connected with a plurality of second reinforcing ribs to form a reinforcing grid, each reinforcing rib 22 is connected to the upper surface of each grid rib 12 to reinforce the structure of the grid ribs 12, so that the structure is more stable, the grid growth caused by overlarge apparent density of active substances filled in the grid grids 123 is avoided, and the growth of the pure lead grid body 1 is inhibited. So set up, simple structure, stability is strong.

It should be noted that, in the present application, the connection mode between the reinforcing ribs 22 and the grid ribs 12 may be connected to the surface of the grid ribs 12, or may be connected to at least partially overlap the grid ribs 12 with the grid ribs 12, and in the present application, the reinforcing ribs 22 partially overlap the grid ribs 12, so that the structure of the pure lead grid body 1 can be reinforced more stably, the mechanical strength is enhanced, and the grid ribs 12 are not easily deformed and broken.

The first reinforcing rib and the second reinforcing rib may be obliquely arranged along the first side of the pure lead grid body 1, in this embodiment, referring to fig. 1 to 3, one of the first reinforcing rib and the second reinforcing rib is arranged as a transverse reinforcing rib 221, the other is arranged as a longitudinal reinforcing rib 222, the transverse reinforcing ribs 221 and the longitudinal reinforcing ribs 222 are interwoven to form a reinforcing grid, and each reinforcing rib 22 is connected to the grid rib 12, so as to reinforce the structure of the pure lead grid body 1 and inhibit the growth of the pure lead grid body 1; thus, the structure is firm and easy to manufacture.

In order to enhance the performance of the lead-acid battery, in the embodiment, referring to fig. 1, 2 and 4, each reinforcing rib 22 has a protrusion 223 protruding toward a first side away from the pure lead grid body 1, and the protrusion 223 is used to be coated with an active substance; by coating the surface of the projection 223 with an active material, the content of the active material on the grid is increased, thereby enhancing the performance of the lead-acid battery.

Specifically, in the embodiment, in order to ensure the basic performance of the grid and save the occupied space, the thickness of the protrusion 223 is 0.3 to 3 mm; each reinforcing rib 22 is connected to each reinforcing rib 22, part of the reinforcing ribs 22 occupy the original grid mesh 123, each reinforcing rib 22 is provided with the protruding portion 223 facing away from the first side of the pure lead grid body 1, the surface of the protruding portion 223 is coated with active substances, so as to improve the performance of the lead-acid battery, and prevent the performance of the lead-acid battery from being incapable of being ensured due to too little active substances, namely the protruding size of the protruding portion 223 is too small to ensure the basic performance of the lead-acid battery, the protruding size of the protruding portion 223 is too large to be processed, the occupied space is increased, and materials are wasted; so set up, save cost when improving performance.

More specifically, in the present embodiment, the thickness of the protruding portion 223 is 1mm, and it should be noted that, the protruding portion 223 is used to be coated with an active material, and through repeated research and test by the inventor, when the thickness of the protruding portion 223 reaches 1mm, the grid can ensure the performance and does not occupy too much space.

In this embodiment, referring to fig. 1, 3 and 4, the cross-sectional shape of each reinforcing rib 22 is a triangle, that is, the cross-sectional shape of the protrusion 223 is a triangle, the reinforcing rib 22 at least partially coincides with the grid rib 12, and the vertex angle of the triangle extends in a direction away from the first side of the pure lead grid body 1, so as to increase the area of the active material coated on the protrusion 223, thereby increasing the amount of the active material coated, and ensuring the performance of the lead-acid battery; so set up, simple structure practices thrift the material of the strengthening rib 22 that uses, practices thrift the cost.

In other embodiments, the reinforcing rib 22 may also be configured in a semicircular shape, wherein the arc line of the semicircular shape is protruded from the first side of the pure lead grid body 1, and the reinforcing rib 22 may also be configured in a hexagonal shape, because it is necessary to increase the area of the protrusion 223 coated with the active material, wherein the top end of the protrusion 223 is a hexagonal plane.

It should be noted that, when the grid 100 of the novel lead-acid battery is produced, die casting is performed first, then a pure lead plate is cut into the pure lead grid body 1, then the pure lead grid body 1 is placed in an injection mold for injection molding, and finally the grid 100 of the novel lead-acid battery is formed, the reinforcing ribs 22 are set to be triangular, semicircular or hexagonal, and the protruding portions 223 are respectively triangular sharp corners, semicircular arcs and hexagonal planes, so that the grid 100 of the novel lead-acid battery after injection molding can be conveniently taken out of the injection mold; so, when guaranteeing the performance of grid and strengthening pure lead grid body 1's structure, simplify the processing degree of difficulty, the processing of being convenient for.

Because the reinforcing ribs 22 are attached to the grid ribs 12, it is inevitable to cover a portion of the grid mesh 123, in order to reduce the coverage of the grid mesh 123, and to ensure the basic performance of a lead acid battery, in this embodiment, referring to fig. 2-4, some of the plurality of reinforcing bars 22 are disposed on the corresponding grid bars 12 and overlap the grid bars 12, that is to say some of the reinforcing ribs 22 of the plurality of reinforcing ribs 22 surround the grid ribs 12, the pure lead grid body 1 is set as a pure lead grid, and in the working process of the grid, the pure lead grid needs to be exposed in electrolyte, therefore, in the application, part of the reinforcing ribs 22 surround the corresponding grid ribs 12, the strength of the grid ribs 12 is enhanced, the processing is easy, the material is saved, and the production yield is improved.

Since the electrolyte in the lead-acid battery is sulfuric acid, in order to ensure the structure of the grid 100 of the novel lead-acid battery, the materials of the reinforcing frame 21 and the reinforcing ribs 22 are corrosion-resistant materials, specifically, the materials of the reinforcing frame 21 and the reinforcing ribs 22 are PP or PE or ABS; the PP is a thermoplastic synthetic resin with excellent performance, is colorless semitransparent thermoplastic light general plastic, and has chemical resistance, heat resistance, electrical insulation, high-strength mechanical property and good high-wear-resistance processing property, so that the strength and corrosion resistance of the pure lead grid body 1 can be enhanced; the PE has excellent low-temperature resistance, is resistant to acid and alkali erosion, is insoluble in common solvents at normal temperature, has small water absorption and excellent electrical insulation, and meets the working environment of the pure lead grid body 1; the ABS has the characteristics of easy processing, stable product size and easy coating, thereby facilitating the manufacture of the grid 100 of the novel lead-acid battery.

It should be noted that, in this embodiment, referring to fig. 4, the reinforcing ribs 22 located on the two first sides of the pure lead grid body 1 are symmetrically arranged, so as to facilitate designing and manufacturing a mold and simplify manufacturing steps, and one of the reinforcing ribs 22 located on one of the first sides may be connected to a corresponding one of the reinforcing ribs 22 located on the other side; therefore, the manufacturing is easy, and the labor is saved.

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.