CN212257555U

CN212257555U - Radial grid

Info

Publication number: CN212257555U
Application number: CN202020891244.4U
Authority: CN
Inventors: 苏翔; 雷焕先; 张泽波; 李昌镞
Original assignee: Flying Power Jiangxi Co ltd
Current assignee: Flying Power Jiangxi Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-12-29
Anticipated expiration: 2030-05-25

Abstract

The utility model relates to a battery production technical field especially relates to a radial grid contains the frame, frame upper end one side is fixed with utmost point ear, the inside horizontal rib that is fixed with of frame, the inside slope that still inclines of frame is fixed with a plurality of oblique ribs, and is a plurality of oblique rib one end all links to each other with utmost point ear, and is a plurality of the oblique rib other end is radial distribution, still be fixed with a plurality of fixed disks on the oblique rib, fixed disk both ends face all is less than oblique rib 0.3mm in the thickness direction. When the polar plate is formed, lead plaster is coated on two end faces of the grid, after the lead plaster is fixed in a grid formed between the horizontal rib and the inclined rib, the end face of the fixed disc is lower than the inclined rib by 0.3mm in the thickness direction, the fixed disc is buried in the lead plaster, the bonding strength of the lead plaster and the grid is enhanced, the lead plaster is not easy to fall off, the service life and the corrosion resistance of the grid are enhanced, and the working stability of the storage battery is enhanced.

Description

Radial grid

[ technical field ] A method for producing a semiconductor device

The utility model relates to a battery production technical field especially relates to a radial grid.

[ background of the invention ]

The device for converting chemical energy into electric energy is called a chemical battery, generally called a battery for short. After discharge, the internal active material can be regenerated by charging-electrical energy is stored as chemical energy; chemical energy is converted into electrical energy again when electrical discharge is required. The battery is called as a storage battery and is also called as a secondary battery, the electrode makes an important component of the storage battery, and the grid is a current collecting framework of the electrode, plays a role in conducting and collecting current and enabling the current to be distributed uniformly, plays a role in supporting an active substance and is a carrier of the active substance.

At present, the grids are all composed of tabs, frames and ribs in the frames. However, the conventional ribs on the market comprise horizontal ribs horizontally arranged in the frame and vertical ribs vertically arranged with the horizontal ribs, and the connection mode of the ribs makes the current conduction path of the grid longer, so that larger internal pressure drop exists, the low-temperature (-18 ℃) large-current discharge starting performance of the lead-acid storage battery is poor, the lead-acid storage battery is not suitable for automobile batteries with higher low-temperature starting performance requirements, the user experience is greatly reduced, the bonding strength of the grid and lead paste is low, the lead paste is easy to fall off, the service life of the grid is shortened, and the working stability of the storage battery is reduced.

The utility model discloses it is not enough to solve prior art and research and propose.

[ Utility model ] content

The utility model aims at overcoming the shortcoming of above-mentioned prior art, provide a radial grid.

The utility model discloses can realize through following technical scheme:

the utility model discloses a radiation type grid contains the frame, frame upper end one side is fixed with utmost point ear, the inside horizontal rib that is fixed with of frame, the inside slope that still inclines of frame is fixed with a plurality of oblique ribs, and is a plurality of oblique rib one end all links to each other with utmost point ear, and is a plurality of the oblique rib other end is radial distribution, still be fixed with a plurality of fixed disks on the oblique rib, fixed disk both ends face all is less than oblique rib 0.3mm in the thickness direction. The frame is fixed with the inclined ribs in a staggered manner through the plurality of horizontal ribs, the inclined ribs are of a net structure, one ends of the inclined ribs are connected with the tabs, the other ends of the inclined ribs are designed by adopting the radioactive ribs, the tabs are used for dispersing current to the lower portion of the frame in the discharging process, so that the current distribution of the grid is uneven during discharging, namely the current on the upper portion of the grid and the current on the lower portion of the grid are uneven, namely discharging starts from the upper portion of the grid and ends at the lower portion of the grid, the inclined ribs are directly connected with the tabs, the current distribution uniformity is effectively improved, the distance between the current and the lower portion of the frame through the inclined ribs is shortest, the internal resistance is reduced, active substances are fully and uniformly utilized, further, the discharging performance of the grid formed by the radioactive inclined ribs is superior to that of an orthogonal grid (namely the horizontal ribs and the vertical ribs are vertically arranged), and the effective area of the discharging, the lead-free battery plate has the advantages that the conductive performance is better, the distance between the grid ribs is shortest, the internal resistance of the grid plate is smaller, the current density on the plate is effectively improved during heavy current discharge, the distribution uniformity is reduced, the voltage drop of the plate is reduced, when the plate is formed, the lead paste is coated on the two end faces of the grid, and after the lead paste is fixed in a grid formed between the horizontal ribs and the inclined ribs, the end face of the fixed disc is lower than the inclined ribs by 0.3mm in the thickness direction, the fixed disc is buried in the lead paste, the bonding strength of the lead paste and the grid is enhanced, the lead paste is not easy to fall off, the service life and the corrosion resistance of the grid are enhanced.

Compared with the prior art, the utility model has the advantages that:

1. the lead-acid storage battery is characterized in that the frame is of a net structure after a plurality of horizontal ribs and the inclined ribs are fixed in a staggered mode, one end of each inclined rib is connected with a lug, the other end of each inclined rib is designed to be provided with the radioactive ribs, the height of the grid can be reduced, the uniformity of current distribution is facilitated, the conductivity of the grid is improved, low-temperature large-current discharge starting performance is effectively improved, the lead-acid storage battery is suitable for automobile batteries with high requirements on low-temperature starting performance, and user experience is greatly improved.

2. When the polar plate is formed, lead plaster is coated on two end faces of the grid, after the lead plaster is fixed in a grid formed between the horizontal rib and the inclined rib, the end face of the fixed disc is lower than the inclined rib by 0.3mm in the thickness direction, the fixed disc is buried in the lead plaster, the bonding strength of the lead plaster and the grid is enhanced, the lead plaster is not easy to fall off, the service life and the corrosion resistance of the grid are enhanced, and the working stability of the storage battery is enhanced.

[ description of the drawings ]

The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

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

fig. 2 is a schematic view of another angle structure of the present invention;

in the figure: 1. a tab; 2. a frame; 3. horizontal ribs; 4. oblique ribs; 5. fixing the disc;

[ detailed description ] embodiments

The following detailed description of embodiments of the present invention is made with reference to the accompanying drawings:

as shown in fig. 1-2, the utility model discloses a radial grid contains frame 2, and frame 2 upper end one side is fixed with utmost point ear 1, and frame 2 is inside transversely to be fixed with a plurality of horizontal ribs 3, and frame 2 is inside still to incline to be fixed with a plurality of oblique ribs 4, and a plurality of oblique ribs 4 one end all links to each other with utmost point ear 1, and a plurality of oblique ribs 4 other ends are radial distribution, still is fixed with a plurality of fixed disks 5 on the

oblique rib

4, 5 both ends faces of fixed disk all are less than oblique rib 0.3mm in the thickness direction. The frame 2 is fixed with the inclined ribs 4 through a plurality of horizontal ribs 3 in a staggered manner to form a net structure, one ends of the inclined ribs 4 are connected with the tabs 1, the other ends of the inclined ribs 4 are designed by adopting radioactive ribs, and the tabs 1 are used for dispersing current to the lower parts of the frame 2 in the discharging process, so that the current distribution of the grid is uneven during discharging, namely the current on the upper part of the grid and the current on the lower part of the grid are uneven, namely discharging starts from the upper part of the grid and finally reaches the lower part of the grid, therefore, the inclined ribs 4 are directly connected to the tabs 1, the current distribution uniformity is effectively improved, the distance between the current and the lower part of the frame 2 through the inclined ribs 4 is shortest, the internal resistance is reduced, the full and uniform utilization of active substances is facilitated, and further, the discharging performance of the grid formed by the radioactive inclined ribs 4 is better than that of an orthogonal grid (namely, the effective area of the dischargeable grid is 2-4 times larger than that of an orthogonal grid, the conductivity is better, the distance between the grid ribs is shortest, the internal resistance of the grid is smaller, the current density and the distribution uniformity of a polar plate during heavy current discharge are effectively improved, the pressure drop of the polar plate is reduced, and when the polar plate is formed, lead paste is coated on two end faces of the grid, and after the lead paste is fixed in a grid formed between a horizontal rib 3 and an inclined rib 4, because the end face of a fixed disc 5 is lower than the inclined rib by 0.3mm in the thickness direction, the fixed disc 5 is embedded in the lead paste, the bonding strength of the lead paste and the grid is enhanced, the lead paste is not easy to fall off, the service life and the corrosion resistance of the grid are enhanced, and the working stability of.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many changes, modifications, substitutions and variations can be made to the embodiments without departing from the technical principles of the present invention, and these changes, modifications, substitutions and variations should also be considered as the protection scope of the present invention.

Claims

1. A radial grid, comprising a frame, characterized in that: frame upper end one side is fixed with utmost point ear, the inside horizontal rib that transversely is fixed with of frame, the inside still slope of frame is fixed with a plurality of oblique ribs, and is a plurality of oblique rib one end all links to each other with utmost point ear, and is a plurality of the oblique rib other end is radial distribution, still be fixed with a plurality of fixed disks on the oblique rib, fixed disk both ends face all is less than oblique rib 0.3mm in the thickness direction.