阅读说明：本技术 一种导电性能好使用寿命长的电池板栅 (Battery grid with good conductivity and long service life ) 是由 李仁东 于 2019-10-23 设计创作，主要内容包括：本发明涉及动力电池技术领域,且公开了一种导电性能好使用寿命长的电池板栅,包括板栅本体,板栅本体的顶部固定连接有上边框,上边框的顶部固定连接有机耳,板栅本体的一侧固定连接有左边框,板栅本体的另一侧固定连接有右边框,板栅本体的底部固定连接有下边框,下边框的底部固定连接有极板。该新型动力电池板栅,通过设置加固筋条,在横向方向设置有加固筋条,能够有效的提高板栅的强度,提高了板栅的负载能力,延长了板栅的使用寿命,进而延长了动力电池的使用寿命,使板栅稳定性好,板栅抗变形以及抗蠕变能力强,同时加固筋条上设有耐热层和绝缘层,能够有效的避免板栅长期处在动力电池的放热中受到损伤,同时绝缘性强,提高产品安全性。(The invention relates to the technical field of power batteries, and discloses a battery grid with good conductivity and long service life. This novel power battery grid, through setting up the reinforcement rib, be provided with the reinforcement rib in horizontal direction, can effectual improvement grid's intensity, the load carrying capacity of grid has been improved, the life of grid has been prolonged, and then power battery's life has been prolonged, it is good to make grid stability, grid resistance to deformation and creep resistance can be strong, be equipped with heat-resistant layer and insulating layer on the reinforcement rib simultaneously, can effectually avoid the grid to receive the damage in being in power battery's exothermic for a long time, simultaneously insulating nature is strong, improve the product security.)

1. The utility model provides a good long service life's of electric conductive performance battery grid, includes grid body (1), its characterized in that: the top of the grid body (1) is fixedly connected with an upper frame (2), the top of the upper frame (2) is fixedly connected with an organic lug (3), one side of the grid body (1) is fixedly connected with a left frame (4), the other side of the grid body (1) is fixedly connected with a right frame (5), the bottom of the grid body (1) is fixedly connected with a lower frame (9), the bottom of the lower frame (9) is fixedly connected with a polar plate (10), the inside of the grid body (1) is fixedly connected with a transverse rib (11), the top of the transverse rib (11) is fixedly connected with a reinforcing rib (12), the reinforcing rib (12) comprises a steel bar shell (121), the inner side of the steel bar shell (121) is fixedly connected with a heat-resistant layer (122), and the inner side of the heat-resistant layer (122) is fixedly connected with an insulating layer (123), the reinforcing rib (12) is provided with heat dissipation holes (124), the reinforcing rib (12) is located on the main vertical conductive rib (13) inside the grid body (1) through a connecting rod (16) and fixedly connected with, the vertical conductive ribs (14) are assisted through the equal fixedly connected with on the two sides of the main vertical conductive rib (13), and the vertical conductive reinforcing ribs (15) are arranged inside the grid body (1).

2. The battery grid with good conductivity and long service life according to claim 1, wherein: the grid body (1) is kept away from to left side frame (4) and right side frame (5) one side equal fixedly connected with link (6), mounting hole (7) have been seted up on link (6).

3. The battery grid with good conductivity and long service life according to claim 2, wherein: the number of mounting holes (7) is eight, and eight mounting holes (7) divide into two sets ofly, and all seted up four mounting holes (7) on every mounting bracket (6).

4. The battery grid with good conductivity and long service life according to claim 1, wherein: and one sides of the left frame (4) and the right frame (5) far away from the grid body (1) are fixedly connected with elastic pieces (8) which are positioned at the top end and the bottom end of the connecting frame (6).

5. The battery grid with good conductivity and long service life according to claim 1, wherein: the heat-resistant layer (122) is a ceramic fiber layer, and the insulating layer (123) is an insulating rubber layer.

6. The battery grid with good conductivity and long service life according to claim 1, wherein: the heat dissipation holes (124) sequentially penetrate through the insulating layer (123), the heat-resistant layer (122) and the steel bar outer frame (121) from inside to outside.

7. The battery grid with good conductivity and long service life according to claim 1, wherein: the middle part of the reinforcing rib (12) is provided with a through hole (18) matched with the connecting rod (16), and the connecting rod (16) penetrates through the through hole (18).

8. The battery grid with good conductivity and long service life according to claim 1, wherein: the transverse ribs (11) are hexagonal conductive ribs.

9. The battery grid with good conductivity and long service life according to claim 1, wherein: the cross section of main vertical conducting rib (13) is the pentagon, and set up fixed orifices (17) with connecting rod (16) looks adaptation on main vertical conducting rib (13), fixed orifices (17) are passed in connecting rod (16).

10. The battery grid with good conductivity and long service life according to claim 1, wherein: the longitudinal conductive reinforcing ribs (15) are vertical reinforcing ribs, and the longitudinal conductive reinforcing ribs (15) are parallel to the main vertical conductive ribs (13).

Technical Field

The invention relates to the technical field of power batteries, in particular to a battery grid with good conductivity and long service life.

Background

The slab lattice is the main component of power battery and has two kinds of drawing and casting, the casting is to pour heated and molten lead alloy into slab lattice mold under the action of gravity, then cooling and forming, then processing, wherein the grid drawing is to make a specified rectangular hole on a lead belt with a certain width on a punch, and stretching and forming are carried out, the common materials of the grid are lead-antimony and lead-calcium alloy, in the transverse ribs and the vertical ribs of the grid, the transverse ribs are mainly used for bearing active substances and increasing the reaction area of the active substances, and the vertical ribs are mainly used for conducting current, so that the structure of the vertical ribs on the grid determines the current conducting capacity of the grid, in the application field of the power battery, because the power battery is always in a large-current and high-rate discharge state during the normal use, therefore, the requirement on the large current conducting capacity of the grid vertical ribs is stricter, and the current conducting capacity of the grid vertical ribs is ensured.

The special grid for the power battery generally adopts a method of reducing the number of transverse ribs, increasing the number of vertical ribs or increasing the cross-sectional area of the vertical ribs, but the method has two defects: firstly, the reduction of the number of the transverse ribs is equivalent to the reduction of the capacity of bearing active substances of a grid and the reaction area of the active substances, and the strength of the active substances of a polar plate is poor; and secondly, the weight of the grid is correspondingly increased by increasing the number of the vertical ribs, the volume of the active substance is reduced due to the increase of the volume of the vertical ribs, the cost of the battery is increased, the capacity of the battery is reduced, and meanwhile, the traditional grid is insufficient in structural strength and easy to break, the service life of the grid is influenced, so that the service life of the power battery is correspondingly reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the battery grid with good conductivity and long service life, which has the advantages of increasing the capacity of the vertical ribs of the grid for conducting large current, ensuring the strength of the active substance of the polar plate not to be reduced, increasing the strength of the grid structure, prolonging the service life of the grid and the like, and solves the problem that the strength of the active substance of the polar plate is difficult to be reduced when the capacity of conducting large current is increased in the grid in the current market.

(II) technical scheme

In order to achieve the purposes of increasing the large current conducting capacity of the vertical ribs of the grid, ensuring that the strength of active substances of a polar plate is not reduced, increasing the strength of a grid structure and prolonging the service life of the grid, the invention provides the following technical scheme: a battery grid with good conductivity and long service life comprises a grid body, wherein the top of the grid body is fixedly connected with an upper frame, the top of the upper frame is fixedly connected with a lug, one side of the grid body is fixedly connected with a left frame, the other side of the grid body is fixedly connected with a right frame, the bottom of the grid body is fixedly connected with a lower frame, the bottom of the lower frame is fixedly connected with a polar plate, the inside of the grid body is fixedly connected with a transverse rib, the top of the transverse rib is fixedly connected with a reinforcing rib, the reinforcing rib comprises a steel bar shell, the inner side of the steel bar shell is fixedly connected with a heat-resistant layer, the inner side of the heat-resistant layer is fixedly connected with an insulating layer, the reinforcing rib is provided with heat dissipation holes, and the reinforcing rib is fixedly connected with a main vertical conductive rib positioned in the grid body through a connecting, the two sides of the main vertical conductive rib are fixedly connected with auxiliary vertical conductive ribs, and the longitudinal conductive reinforcing ribs are arranged in the grid body.

Preferably, the left frame and the right frame are fixedly connected with a connecting frame on one side far away from the grid body, and mounting holes are formed in the connecting frame.

Preferably, the number of the mounting holes is eight, the eight mounting holes are divided into two groups, and four mounting holes are formed in each mounting frame.

Preferably, one sides of the left frame and the right frame, which are far away from the grid body, are fixedly connected with elastic pieces located at the top end and the bottom end of the connecting frame.

Preferably, the heat-resistant layer is a ceramic fiber layer, and the insulating layer is an insulating rubber layer.

Preferably, the heat dissipation holes sequentially penetrate through the insulating layer, the heat-resistant layer and the steel bar outer frame from inside to outside.

Preferably, the middle part of the reinforcing rib is provided with a through hole matched with the connecting rod, and the connecting rod penetrates through the through hole.

Preferably, the shape of the transverse ribs is hexagonal conductive ribs.

Preferably, the cross section of the main vertical conductive rib is pentagonal, a fixing hole matched with the connecting rod is formed in the main vertical conductive rib, and the connecting rod penetrates through the fixing hole.

Preferably, the longitudinal conductive reinforcing ribs are vertical reinforcing ribs, and the longitudinal conductive reinforcing ribs are parallel to the main vertical conductive ribs.

(III) advantageous effects

Compared with the prior art, the invention provides the battery grid with good conductivity and long service life, which has the following beneficial effects:

1. the novel power battery grid is provided with the auxiliary vertical conductive ribs and the vertical conductive reinforcing ribs through the arrangement, on the premise that the weight and the size of the grid are not changed, the auxiliary vertical conductive ribs are fixedly connected to the two sides of the main vertical conductive ribs, current passes through the auxiliary vertical conductive ribs and is transmitted, the current generated by the reaction of active substances of a polar plate is more effectively collected to the main vertical conductive ribs for conduction, the conduction of the current is further improved through the arrangement of the vertical conductive reinforcing ribs, the purpose of stable current transmission is achieved, meanwhile, the cross section of the main vertical conductive ribs is pentagonal, the reaction area of the active substances is increased, the capacity of conducting the grid is further improved, the reaction area of the active substances of the polar plate is ensured, the binding force between the grid and the active substances and the strength of the active substances of the polar plate are enhanced, the conductive performance of the grid is improved, The requirements of large current and high-rate discharge during the operation of the power battery are ensured.

2. This novel power battery grid, through setting up reinforcement rib and flexure strip, be provided with the reinforcement rib in horizontal direction, can the effectual intensity that improves the grid, the load capacity of grid has been improved, the life of grid has been prolonged, and then power battery's life has been prolonged greatly, it is good to make grid stability, grid resistance to deformation and creep resistance can the reinforce, be equipped with heat-resistant layer and insulating layer on the reinforcement rib simultaneously, can effectually avoid the grid to be in the power battery for a long time and receive the damage in giving out heat, improve the life of grid, insulating nature is strong simultaneously, improve product safety, all be provided with the flexure strip in grid body both sides, can play the effect of buffering, the life of grid has further been prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a connecting rod according to the present invention;

FIG. 3 is a schematic view of the construction of the reinforcement rib of the present invention;

FIG. 4 is a cross-sectional view of a major vertical conductive rib structure of the present invention;

fig. 5 is a schematic view of the structure of the transverse rib of the present invention.

In the figure: 1 grid body, 2 go up frame, 3 ears, 4 left frames, 5 right frames, 6 link, 7 mounting holes, 8 flexure strips, 9 lower frame, 10 polar plates, 11 horizontal ribs, 12 reinforcement ribs, 121 steel casing, 122 heat-resistant layer, 123 insulating layer, 124 louvre, 13 main vertical conducting rib, 14 subsidiary vertical conducting rib, 15 vertical conducting reinforcement, 16 connecting rods, 17 fixed orificess, 18 through-holes.

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.

Referring to fig. 1-5, a battery grid with good conductivity and long service life comprises a grid body 1, an upper frame 2 is fixedly connected to the top of the grid body 1, a lug 3 is fixedly connected to the top of the upper frame 2, a left frame 4 is fixedly connected to one side of the grid body 1, a right frame 5 is fixedly connected to the other side of the grid body 1, a connecting frame 6 is fixedly connected to one side of the left frame 4 and one side of the right frame 5 away from the grid body 1, mounting holes 7 are formed in the connecting frame 6, the number of the mounting holes 7 is eight, the eight mounting holes 7 are divided into two groups, each mounting frame 6 is provided with four mounting holes 7, elastic pieces 8 positioned at the top end and the bottom end of the connecting frame 6 are fixedly connected to one side of the left frame 4 and one side of the right frame 5 away from the grid body 1, a lower frame 9 is fixedly connected to the bottom of the grid body 1, and a polar plate, the grid body 1 is internally and fixedly connected with transverse ribs 11, the transverse ribs 11 are hexagonal conductive ribs, the top of each transverse rib 11 is fixedly connected with a reinforcing rib 12, each reinforcing rib 12 comprises a reinforcing steel bar shell 121, a heat-resistant layer 122 is fixedly connected to the inner side of each reinforcing steel bar shell 121, an insulating layer 123 is fixedly connected to the inner side of each heat-resistant layer 122, each heat-resistant layer 122 is a ceramic fiber layer, each insulating layer 123 is an insulating rubber layer, heat dissipation holes 124 are formed in each reinforcing rib 12, each heat dissipation hole 124 sequentially penetrates through each insulating layer 123, each heat-resistant layer 122 and each reinforcing steel bar outer frame 121 from inside to outside, and by arranging the reinforcing ribs 12 and the elastic sheets 8, the reinforcing ribs 12 are arranged in the transverse direction, so that the strength of the grid can be effectively improved, the load capacity of the grid is improved, the service life of the grid is prolonged, the service life of the, the grid has strong deformation resistance and creep resistance, the reinforcing ribs 12 are provided with the heat-resistant layers 122 and the insulating layers 123, the grid can be effectively prevented from being damaged in heat release of a power battery for a long time, the service life of the grid is prolonged, the insulation property is strong, the product safety is improved, the elastic sheets 8 are arranged on two sides of the grid body 1, the buffering effect can be achieved, the service life of the grid is further prolonged, the reinforcing ribs 12 are fixedly connected with main vertical conductive ribs 13 positioned in the grid body 1 through connecting rods 16, the cross sections of the main vertical conductive ribs 13 are pentagonal, fixing holes 17 matched with the connecting rods 16 are formed in the main vertical conductive ribs 13, the connecting rods 16 penetrate through the fixing holes 17, through holes 18 matched with the connecting rods 16 are formed in the middle parts of the reinforcing ribs 12, the connecting rods 16 penetrate through the through holes 18, auxiliary vertical conductive ribs 14 are fixedly connected to two sides of the main vertical conductive ribs 13, the vertical conductive reinforcing ribs 15 are arranged in the grid body 1, the vertical conductive reinforcing ribs 15 are vertical reinforcing ribs, the vertical conductive reinforcing ribs 15 are parallel to the main vertical conductive ribs 13, the vertical conductive reinforcing ribs 15 and the auxiliary vertical conductive ribs 14 are arranged, so that the number of the conductive ribs is increased, the spacing between the ribs is reduced, the current conduction is facilitated, the current distribution gradually tends to be uniform, the auxiliary vertical conductive ribs 14 also have current passing and current transmitting functions, the auxiliary vertical conductive ribs 14 and the vertical conductive reinforcing ribs 15 are arranged, on the premise that the weight and the size specification of the grid are not changed, the auxiliary vertical conductive ribs 14 are fixedly connected to two sides of the main vertical conductive ribs 13, the current passing and current transmitting functions are arranged on the auxiliary vertical conductive ribs 14, and the current generated by the reaction of active substances of the polar plates 10 is more effectively converged on the main vertical conductive ribs 13 for conduction, the setting of vertical electrically conductive strengthening rib 15 has further improved the conduction of electric current, reach the purpose that the electric current stably conveyed, the cross section of main vertical electrically conductive rib 13 is the pentagon simultaneously, increase active material reaction area, further improve grid conduction current's ability, consequently guaranteed polar plate 10 active material's reaction area, the cohesion of grid and active material and polar plate 10 active material intensity have been strengthened, the electric conductive property of grid has been improved, the requirement of heavy current and high rate discharge during power battery operation has been guaranteed.

To sum up, the novel power battery grid is provided with the auxiliary vertical conductive ribs 14 and the vertical conductive reinforcing ribs 15, on the premise that the weight and the size of the grid are not changed, the auxiliary vertical conductive ribs 14 are fixedly connected to the two sides of the main vertical conductive rib 13, current passes through the auxiliary vertical conductive ribs 14 and is transmitted, the current generated by the reaction of active substances of the polar plate 10 is more effectively collected on the main vertical conductive rib 13 to be conducted, the current conduction is further improved by the arrangement of the vertical conductive reinforcing ribs 15, the purpose of stable current transmission is achieved, meanwhile, the cross section of the main vertical conductive rib 13 is pentagonal, the reaction area of the active substances is increased, the current transmission capacity of the grid is further improved, the reaction area of the active substances of the polar plate 10 is ensured, the binding force between the grid and the active substances is enhanced, and the strength of the active substances of the polar plate 10 is enhanced, The conductivity of the grid is improved, and the requirements of large current and high-rate discharge during the operation of the power battery are met.

This novel power battery grid, through setting up reinforcing rib 12 and flexure strip 8, be provided with reinforcing rib 12 in horizontal direction, can effectual improvement grid's intensity, the load capacity of grid has been improved, the life of grid has been prolonged, and then power battery's life has been prolonged greatly, it is good to make grid stability, grid resistance to deformation and creep ability reinforce, it is equipped with heat-resistant layer 122 and insulating layer 123 on rib 12 to consolidate simultaneously, can effectually avoid the grid to receive the damage in being in power battery's exothermic for a long time, improve the life of grid, simultaneously insulating nature is strong, improve product safety, all be provided with flexure strip 8 in 1 both sides of grid body, can play the effect of buffering, the life of grid has further been prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.