CN219393424U

CN219393424U - Corrosion-resistant positive grid

Info

Publication number: CN219393424U
Application number: CN202320449810.XU
Authority: CN
Inventors: 黄世彬; 黄连清; 周晓伟; 刘贵春
Original assignee: Minhua Power Source Co Ltd(fujian)
Current assignee: Minhua Power Source Co Ltd(fujian)
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-07-21
Anticipated expiration: 2033-03-10

Abstract

The utility model provides a corrosion-resistant positive grid, comprising: the side fixed connection utmost point ear of frame and strengthening rib one, the horizontal muscle of fixed connection in the frame, fixed slot one is offered respectively and the groove one runs through on horizontal muscle surface, and erects the both sides of the both ends respectively fixed connection frame of muscle through the horizontal muscle of a fixed connection of running through the groove, and the frame is close to the position fixed connection strengthening rib one of utmost point ear simultaneously, the fixed surface of strengthening rib one connects fixed block one, and fixed slot two is offered on the surface of fixed block one, and the one end fixed connection strengthening rib two of utmost point ear is kept away from to the frame, and the two through-grooves that set up of strengthening rib simultaneously connect the perpendicular muscle of penetrating groove two. According to the utility model, through the cooperation of the first reinforcing ribs and the first fixing blocks, the current near the pole lugs can be uniformly distributed, so that the problem of excessive concentration of the current is avoided, and the corrosion resistance near the pole lugs is enhanced.

Description

Corrosion-resistant positive grid

Technical Field

The utility model relates to the technical field of grids, in particular to a corrosion-resistant positive grid.

Background

The charge and discharge of the lead storage battery is mainly completed by a plate grid; the traditional grid type polar plate grid comprises a quadrangular frame, transverse ribs and vertical ribs which are crisscrossed in the frame to form a grid structure, and polar lugs; the lead paste is coated on the two sides and then is solidified into a polar plate, the polar plate generates current after chemical reaction with electrolyte in the storage battery groove, wherein the current at the bottom is converged through a frame and ribs on the grid, and then is output through protruding lugs above the polar plate.

Through retrieval, a grid structure (application number: CN 201821048569.5) of a lead-acid storage battery disclosed in the prior art is described in a specification which comprises a grid frame, lugs arranged on the upper frame of the grid frame and grid bars fixed in the grid frame, wherein the grid bars comprise transverse ribs, longitudinal ribs, oblique ribs and separation ribs, the separation ribs divide the inner part of the grid frame into an upper part and a lower part, the upper part is a diamond rib net by interlacing oblique ribs, the lower part is a wavy rib net by interlacing the transverse ribs and the longitudinal ribs up and down, and each longitudinal rib corresponds to two oblique ribs with opposite oblique directions; "; the grid structure divides the inner part of the grid frame into an upper part and a lower part through a transverse feeding, the upper part is a diamond-shaped rib net formed by oblique ribs, the lower part is a wave-shaped rib net formed by transverse ribs and longitudinal ribs, and as each longitudinal rib corresponds to two oblique ribs with opposite oblique directions, the grid density of the upper part is increased, the utilization rate of lead plaster on the upper part is improved, but the grid structure on the grid, which is close to a lug, is easy to cause local corrosion due to overlarge local current, and the stability of the rib structure in the grid is weaker, so that the probability of extruded deformation exists on the lower part of the grid during installation, meanwhile, the rib structure adopts the design that the thicknesses of the two ends are consistent, and as the current is gathered from the bottom to the top of a polar plate, the thicknesses of the two ends of the ribs are consistent, the internal resistance is increased, and the conductivity of the grid is weakened.

Disclosure of Invention

In order to overcome the defects in the prior art, a corrosion-resistant positive grid is provided to solve the problems in the prior art.

To achieve the above object, there is provided a corrosion-resistant positive grid comprising: the side fixed connection utmost point ear of frame and strengthening rib one, the horizontal muscle of fixed connection in the frame, fixed slot one is offered respectively and the groove one runs through on horizontal muscle surface, and erects the both sides of the both ends respectively fixed connection frame of muscle through the horizontal muscle of a fixed connection of running through the groove, and the frame is close to the position fixed connection strengthening rib one of utmost point ear simultaneously, the fixed surface of strengthening rib one connects fixed block one, and fixed slot two is offered on the surface of fixed block one, and the one end fixed connection strengthening rib two of utmost point ear is kept away from to the frame, and the two through-grooves that set up of strengthening rib simultaneously connect the perpendicular muscle of penetrating groove two.

Preferably, the frame is internally provided with a plurality of groups of parallel equidistant fixed connection transverse ribs, the sections of the plurality of groups of transverse ribs are of oval structures, the surfaces of the transverse ribs are parallel equidistant provided with a plurality of groups of through grooves I, and the through grooves I are of round table structures.

Preferably, the parallel equidistant fixed connection multiunit erects the muscle in the frame, erects the position and the quantity one-to-one of muscle and run through groove one, and erects muscle and horizontal muscle and make up the well font structure together, erects the whole of muscle and is the round platform shape structure simultaneously, erects the diameter that the muscle is close to utmost point ear one end and is greater than the diameter of the other end.

Preferably, the side surfaces of the two sides of the transverse rib are respectively provided with three groups of first fixing grooves at equal intervals, the section of each first fixing groove is of an arc-shaped structure, and the lengths of the first fixing grooves and the length of the transverse rib are equal.

Preferably, the second reinforcing rib fixedly connected with the frame is of a W-shaped structure, the turning part of the second reinforcing rib is fixedly connected with the transverse rib and the frame respectively, and the second reinforcing rib is fixedly connected with the vertical rib through the second through groove formed in the turning part.

Preferably, the positions of the upper parts of the frames close to the pole lugs are parallel and equidistant to form three groups of reinforcing ribs I, the three groups of reinforcing ribs I and the corresponding vertical ribs are distributed in a staggered mode, and meanwhile the three groups of reinforcing ribs I are of cylindrical structures.

Preferably, the surface of the first reinforcing rib surrounds four groups of first fixing blocks which are fixedly connected at equal intervals, edges of one ends of the four groups of first fixing blocks, which are far away from the first reinforcing rib, are of arc-shaped structures, the section of the second fixing groove formed in the surface of the first fixing block is of an isosceles trapezoid structure, and meanwhile, the diameter section formed by combining the first reinforcing rib and the first fixing block is of a cross-shaped structure.

Compared with the prior art, the utility model has the beneficial effects that: through the cooperation of frame, perpendicular muscle, horizontal muscle and strengthening rib one for the current near the utmost point ear can carry out even distribution, thereby avoid appearing the problem that local electric current is excessively concentrated, strengthen the corrosion resistance near the utmost point ear, and through the setting of strengthening rib two, make the lower part of this grid possess good structural strength, can reduce the grid lower part and be pressed the probability of deformation then, the diameter of perpendicular muscle is from grid lower part to the upper portion grow gradually simultaneously, then perpendicular muscle cross-section change coincide with the change of electric current, make the grid internal resistance reduce, effectively reduce grid corrosion rate, prolong the life of battery, strengthen the conductive capability of grid.

Drawings

Fig. 1 is a schematic top view of an embodiment of the present utility model.

Fig. 2 is a schematic front view of an embodiment of the present utility model.

FIG. 3 is a schematic side view of a portion of an embodiment of the present utility model.

Fig. 4 is a schematic radial cross-section of a reinforcing bar according to an embodiment of the present utility model.

In the figure: 1. a tab; 2. a frame; 3. a first reinforcing rib; 4. vertical ribs; 5. transverse ribs; 6. a second reinforcing rib; 7. a first fixing groove; 8. a first fixed block; 9. and a second fixing groove.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

Referring to fig. 1 to 4, the present utility model provides a corrosion-resistant positive grid comprising: frame 2 and strengthening rib one 3, the side fixed connection utmost point ear 1 of frame 2, the horizontal muscle 5 of fixed connection in the frame 2, fixed slot one 7 is offered respectively and run through groove one on the horizontal muscle 5 surface, and erects muscle 4 and pass through the horizontal muscle 5 of a fixed connection of run through groove one, erects the both sides of the both ends of muscle 4 respectively fixed connection frame 2, and the frame 2 is close to the position fixed connection strengthening rib one 3 of utmost point ear 1 simultaneously, the fixed surface of strengthening rib one 3 connects fixed block one 8, and fixed slot two 9 are offered to the surface of fixed block one 8, and the one end fixed connection strengthening rib two 6 of utmost point ear 1 are kept away from to frame 2, and the strengthening rib two 6 is through the two connection of run through groove two that set up erects muscle 4 simultaneously.

In this embodiment, the vertical rib 4 of fixed connection in the frame 2, its diameter that is close to tab 1 one end is greater than the diameter of the other end, make the axle cross section of vertical rib 4 be isosceles trapezoid structure, then accord with the in-process that electric current moved from grid lower part to upper portion grow gradually, consequently, can effectively reduce the internal resistance of grid, thereby reduce grid corrosion rate, the life of battery, the electric conductivity of reinforcing grid, and be close to tab 1 near fixed connection's strengthening rib one 3 in the frame 2, can avoid the electric current to concentrate excessively near tab 1, ensure that electric current can even distribution, thereby avoid appearing the local corrosion problem that appears because of local electric current is too big, reinforcing rib two 6's setting simultaneously, make frame 2 of grid lower part, vertical rib 4 and transverse rib 5 can constitute a whole, thereby strengthen the structural strength of grid lower part, reduce grid lower part deformation's probability, and transverse rib 5 surface set up's fixed slot one 7 can strengthen the fixed effect of lead plaster, reduce the lead plaster and drop probability, and set up in the perpendicular cross-section of tab one 3 through setting up 7 and have good and the equal cross-section of perpendicular cross-section of tab 1, moreover, the cross section that can be good and the same length of perpendicular rib 1 has the perpendicular cross section of lead plaster is good.

As a preferred embodiment, a plurality of groups of transverse ribs 5 are fixedly connected in the frame 2 at equal intervals in parallel, the sections of the plurality of groups of transverse ribs 5 are of oval structures, a plurality of groups of through grooves I are formed in the surface of the transverse ribs 5 at equal intervals in parallel, and the through grooves I are of a truncated cone-shaped structure.

In this embodiment, as shown in fig. 1 and fig. 2, the oval structure of the cross section of the transverse rib 5 makes the transverse rib 5 have good corrosion resistance, and the through groove formed on the surface of the transverse rib 5 can enhance the stability of the transverse rib 5 and the vertical rib 4 when connected, and meanwhile, the frame 2 of the positive grid is shorter than the frame 2 of the negative grid, but thicker than the frame 2 of the negative grid.

As a preferred embodiment, a plurality of groups of vertical ribs 4 are fixedly connected in the frame 2 at equal intervals in parallel, the positions and the number of the vertical ribs 4 and the through grooves are in one-to-one correspondence, the vertical ribs 4 and the transverse ribs 5 are combined together to form a groined structure, meanwhile, the whole vertical ribs 4 are of a truncated cone-shaped structure, and the diameter of one end, close to the pole lug 1, of the vertical rib 4 is larger than that of the other end.

In this embodiment, as shown in fig. 1 and fig. 2, the axial section of the vertical rib 4 is in an isosceles trapezoid structure, the vertical rib 4 is matched with the corresponding size of the through groove one, so that the vertical rib 4 and the horizontal rib 5 can be conveniently connected, and meanwhile, the vertical rib 4 and the horizontal rib 5 are combined together to form a groined structure, so that the overall structural strength of the grid can be enhanced.

As a preferred embodiment, three groups of first fixing grooves 7 are respectively formed on the side surfaces of two sides of the transverse rib 5 at equal intervals, the section of the first fixing groove 7 is in an arc-shaped structure, and the lengths of the first fixing groove 7 and the transverse rib 5 are equal.

In this embodiment, as shown in fig. 2 and 3, the first fixing groove 7 formed on the side surface of the transverse rib 5 can effectively increase the contact area between the lead plaster and the transverse rib 5, so as to enhance the connection stability between the transverse rib 5 and the lead plaster and reduce the falling probability of the lead plaster.

As a preferred implementation mode, the reinforcing rib II 6 fixedly connected with the frame 2 is of a W-shaped structure, the turning parts of the reinforcing rib II 6 are respectively fixedly connected with the transverse rib 5 and the frame 2, and the reinforcing rib II 6 is fixedly connected with the vertical rib 4 through the through groove II formed at the turning parts.

In this embodiment, as shown in fig. 1 and fig. 2, the second reinforcing rib 6 is arranged, so that a good structural strength is provided between the transverse rib 5 and the frame 2 at the lower part of the grid, and the second reinforcing rib 6 is fixedly connected with the vertical rib 4 through the second through groove, so that the structural strength of the second reinforcing rib 6 is enhanced, and the deformation probability of the lower part of the grid can be effectively reduced.

As a preferred embodiment, the upper part of the frame 2 is parallel and equidistant to the position close to the lug 1, three groups of reinforcing ribs I3 are fixedly connected, the three groups of reinforcing ribs I3 and the corresponding vertical ribs 4 are distributed in a staggered manner, and meanwhile, the three groups of reinforcing ribs I3 are of cylindrical structures.

In this embodiment, as shown in fig. 1 and fig. 4, the first reinforcing ribs 3 and the vertical ribs 4 are distributed in a staggered manner, so that the area of the space near the tab 1 can be effectively reduced, the adhesion effect of the lead plaster is enhanced, and meanwhile, the problem that the current is excessively concentrated near the tab 1 can be avoided, thereby reducing the probability of local corrosion near the tab 1.

As a preferred implementation mode, the surface of the reinforcing rib I3 is fixedly connected with four groups of fixing blocks I8 at equal intervals, edges of the four groups of fixing blocks I8 far away from one end of the reinforcing rib I3 are of arc-shaped structures, the section of a fixing groove II 9 formed in the surface of the fixing block I8 is of an isosceles trapezoid structure, and meanwhile, the diameter section formed by combining the reinforcing rib I3 and the fixing block I8 is of a cross-shaped structure.

In this embodiment, as shown in fig. 1 and 4, the first fixing block 8 is arranged, so that the cross-sectional area of the first reinforcing rib 3 can be increased, the fixing effect on the lead paste can be enhanced through the second fixing groove 9 formed in the surface of the fixing block, and the corrosion resistance near the tab 1 can be enhanced.

According to the corrosion-resistant positive grid, through the cooperation of the first reinforcing ribs 3 and the first fixing blocks 8, current near the lug 1 can be uniformly distributed, so that the problem of excessive concentration of current is avoided, corrosion resistance near the lug 1 is enhanced, the internal resistance of the grid can be effectively reduced due to the structure of the vertical ribs 4, meanwhile, the structural strength of the lower part of the grid can be enhanced due to the arrangement of the second reinforcing ribs 6, and extrusion deformation is avoided.

Claims

1. A corrosion resistant positive grid comprising: frame (2) and strengthening rib one (3), the side fixed connection utmost point ear (1) of frame (2), its characterized in that: the utility model discloses a solar cell module, including frame (2), fixed connection horizontal muscle (5), fixed slot one (7) are offered respectively on horizontal muscle (5) surface and run through groove one, and erect muscle (4) through run through groove one fixed connection horizontal muscle (5), the both ends of erectting muscle (4) are fixed connection both sides of frame (2) respectively, and the frame (2) is close to the position fixed connection strengthening rib one (3) of utmost point ear (1) simultaneously, fixed connection fixed block one (8) of strengthening rib one (3), fixed slot two (9) are offered on the surface of fixed block one (8), and the one end fixed connection strengthening rib two (6) of utmost point ear (1) are kept away from to frame (2), and perpendicular muscle (4) are connected through the run through groove two of seting up to strengthening rib two (6) simultaneously.

2. The corrosion-resistant positive grid according to claim 1, wherein a plurality of groups of transverse ribs (5) are fixedly connected in parallel and equidistant in the frame (2), the sections of the groups of transverse ribs (5) are of oval structures, a plurality of groups of penetrating grooves I are formed in parallel and equidistant on the surfaces of the transverse ribs (5), and the penetrating grooves I are of a truncated cone-shaped structure.

3. The corrosion-resistant positive grid according to claim 1, wherein a plurality of groups of vertical ribs (4) are fixedly connected in the frame (2) at equal intervals in parallel, the positions and the number of the vertical ribs (4) and the through grooves are in one-to-one correspondence, the vertical ribs (4) and the transverse ribs (5) are combined together to form a groined structure, meanwhile, the whole of the vertical ribs (4) is in a truncated cone-shaped structure, and the diameter of the vertical ribs (4) close to one end of the lug (1) is larger than that of the other end.

4. The corrosion-resistant positive grid according to claim 1, wherein three groups of first fixing grooves (7) are respectively formed on the side surfaces of two sides of the transverse rib (5) at equal intervals, the section of each first fixing groove (7) is of an arc-shaped structure, and the lengths of the first fixing grooves (7) and the transverse rib (5) are equal.

5. The corrosion-resistant positive grid according to claim 1, wherein the reinforcing rib II (6) fixedly connected with the frame (2) is of a W-shaped structure, the turning part of the reinforcing rib II (6) is fixedly connected with the transverse rib (5) and the frame (2) respectively, and the reinforcing rib II (6) is fixedly connected with the vertical rib (4) through the through groove II formed at the turning part.

6. The corrosion-resistant positive grid according to claim 1, wherein three groups of reinforcing ribs I (3) are fixedly connected at equal intervals in parallel at the upper part of the frame (2) close to the lug (1), the three groups of reinforcing ribs I (3) and the corresponding vertical ribs (4) are distributed in a staggered mode, and meanwhile the three groups of reinforcing ribs I (3) are of a cylindrical structure.

7. The corrosion-resistant positive grid according to claim 1, wherein the surface of the first reinforcing rib (3) is fixedly connected with four groups of first fixing blocks (8) at equal intervals, edges of the four groups of first fixing blocks (8) far away from one end of the first reinforcing rib (3) are of arc-shaped structures, the section of a second fixing groove (9) formed in the surface of the first fixing block (8) is of an isosceles trapezoid structure, and meanwhile the diameter section formed by combining the first reinforcing rib (3) and the first fixing block (8) is of a cross-shaped structure.