CN209822815U

CN209822815U - Tightly assembled lead-acid storage battery

Info

Publication number: CN209822815U
Application number: CN201920806844.3U
Authority: CN
Inventors: 史俊雷; 张祖波; 徐建刚; 高国兴; 夏诗忠
Original assignee: CAMEL GROUP HUAZHONG BATTERY Co
Current assignee: CAMEL GROUP HUAZHONG BATTERY Co
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2019-12-20
Anticipated expiration: 2029-05-31

Abstract

A tightly assembled lead-acid storage battery comprises a battery groove body, wherein a single lattice is arranged in the battery groove body, the section of the single lattice is of an isosceles trapezoid structure, and the length of the upper bottom side of the isosceles trapezoid is greater than that of the lower bottom side; each single lattice is internally provided with a pole group, each pole group comprises a positive pole plate group consisting of a positive pole plate and a negative pole plate group consisting of a negative pole plate and a negative pole busbar, a cushion block is arranged on each of two sides of each pole group, each cushion block is a block structure formed by connecting a plurality of parallel transverse ribs and a plurality of parallel vertical ribs in a criss-cross crossed manner, the widths W of the plurality of parallel transverse ribs are sequentially reduced from top to bottom, the left side surface of each vertical rib is a right trapezoid, an included angle alpha is formed between the inclined edge of each right trapezoid and the vertical direction, and the included angle alpha is matched with the included angle formed between the inclined edge of each isosceles trapezoid and the vertical direction; the charge and discharge cycle performance of the lead-acid storage battery is improved, the vibration resistance of the battery is improved, and the service life of the battery is prolonged.

Description

Tightly assembled lead-acid storage battery

Technical Field

The utility model belongs to the technical field of the lead acid battery production technique and specifically relates to a tight assembly lead acid battery is related to.

Background

The production process of the lead-acid storage battery with rich liquid start comprises the working procedures of tank body production, polar plate encapsulation, polar group cast welding, polar group groove entering, butt welding, heat sealing, terminal welding and the like.

In the production process of the tank body, a PP material is adopted, so that the PP material and the injection molding process are adopted, a certain demolding inclination is generally kept for ensuring smooth demolding, and the partition wall is generally narrow at the top and wide at the bottom, so that the upper part of a single lattice (a containing pole group part) of the tank body is wide at the bottom and narrow at the bottom.

While the pole groups are generally of uniform thickness at the upper and lower portions.

In order to ensure that the pole group is smoothly inserted into the cell, the design thickness of the pole group is calculated by the narrow size of the lower part of the cell body unit cell, so that the actual upper part of the pole group in the cell is loose and the lower part of the pole group in the cell is tight, and the tight assembly degree of the upper part and the lower part of the cell is different; because the lead-acid storage battery for starting is in use of the automobile and is continuously subjected to vehicle conditions such as jolt, vibration and the like, the amplitude of the upper part of the pole group is increased, and the vibration resistance of the battery is reduced; meanwhile, the upper part is loosely assembled, and the lead paste of the pole group is easy to soften and fall off in the charge and discharge circulation, so that the service life of the battery is shortened.

The current solution to this problem is: 1. Fixing the pole group and the tank body by hot melt adhesive; 2. the demoulding inclination of the groove body is reduced.

However, the prior art solutions have the following disadvantages: 1. the pole group and the groove body are fixed by the hot melt adhesive, so that the amplitude of the pole group under the condition of bumping and vibrating during the driving process of the automobile is reduced, and the vibration resistance of the battery is improved; however, the upper part of the lead paste is actually loosely assembled, so that the problem that the lead paste of the pole group is easy to soften and fall off cannot be solved; 2. the demolding inclination is reduced, the difficulty of injection molding and demolding of the battery groove body is increased, the reject ratio is increased, and the cost is increased.

Disclosure of Invention

An object of the utility model is to overcome the aforesaid of prior art not enough and provide a tight assembly lead acid battery, improve lead acid battery charge-discharge cycle performance, improve the vibration resistance of battery, improve battery life-span.

The technical scheme of the utility model is that: a tightly assembled lead-acid storage battery comprises a battery groove body, wherein a single lattice is arranged in the battery groove body, the section of the single lattice is of an isosceles trapezoid structure, and the length of the upper bottom side of the isosceles trapezoid is greater than that of the lower bottom side;

each single cell is internally provided with a pole group, each pole group comprises a positive plate group consisting of positive plates and negative plates, each positive plate group consists of positive busbars and negative busbars, each negative plate group consists of negative busbars, adjacent positive plates and adjacent negative plates are separated by separators, and the positive busbars and the negative busbars of the adjacent single cells are connected;

the polar group both sides all are provided with a cushion, and the cushion is by a massive structure that the horizontal rib of a plurality of parallels and the vertical rib of a plurality of parallels intersect vertically and horizontally and connect, horizontal rib width W of a plurality of parallels reduces from top to bottom in proper order, it is a right trapezoid to erect the rib left surface, and the right trapezoid hypotenuse is formed with an contained angle alpha with vertical direction, contained angle alpha angle and, the contained angle phase-match that isosceles trapezoid hypotenuse and vertical direction formed.

The cushion block is of a block structure formed by connecting 3-10 parallel transverse ribs and 3-10 parallel vertical ribs in a crisscross mode.

The cushion block is a block-shaped structure formed by connecting 5 parallel transverse ribs and 4 parallel vertical ribs in a crisscross mode.

The length of the transverse ribs is matched with the width of the polar group, the length of the transverse ribs is 80-200 mm, and the height of the transverse ribs is 0.5-3 mm.

The height of the vertical ribs is 60-200 mm, and the width of the vertical ribs is 0.5-3 mm.

The included angle alpha is 20' to 3 degrees.

The two adjacent single lattices are separated by a cell body partition wall, butt welding holes are formed in the cell body partition wall, and the adjacent single lattice anode bus bars and the adjacent single lattice cathode bus bars are mutually connected at the butt welding holes through wall penetrating welding.

Two single check at battery cell body both ends are connected with the straight utmost point post of positive terminal on the positive busbar in one of them single check, are connected with the straight utmost point post of negative terminal on the negative busbar in another single check, have the terminal on the straight utmost point post of each positive terminal, the straight utmost point post of each negative terminal respectively.

The top end of the battery groove body is sealed by a battery cover.

The beneficial effects of the utility model reside in that: compared with the prior art the utility model discloses according to simple structure, realize that the tight assembly of lower part is unanimous on the battery utmost point crowd, improve lead acid battery charge-discharge cycle performance, improve the resistant vibration performance of battery, improve battery life-span simultaneously.

Drawings

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

FIG. 2 is a left side view of the cushion block structure of the present invention;

FIG. 3 is a front view of the cushion block structure of the present invention;

in the figure: 1. transverse ribs; 2. vertical ribs; 3. cushion blocks; 4. a battery cell body; 5. a pole group; 6. a tank body partition wall.

Detailed Description

The technical solution in the embodiments of the present invention will now be clearly and completely described with reference to the accompanying drawings, which are simplified schematic drawings and only schematically illustrate the basic structure of the present invention.

In fig. 1, the utility model comprises a battery groove body 4, a single lattice is arranged in the battery groove body 4, the section of the single lattice is an isosceles trapezoid structure, and the length of the upper bottom side of the isosceles trapezoid is larger than that of the lower bottom side; each single lattice is internally provided with a pole group 5, each pole group 5 comprises a positive plate group consisting of positive plates and a negative plate group consisting of negative plates, wherein the positive plates and the negative plates are separated by partition plates, the adjacent two single lattices are separated by a groove body partition wall 6, butt welding holes are formed in the groove body partition wall 6, and the busbars between the adjacent positive and negative plate groups are mutually connected at the butt welding holes through wall penetrating welding; two sides of the pole group 5 are respectively provided with a cushion block 3, and the cushion block 3 is a block-shaped structure formed by criss-cross connection of a plurality of parallel transverse ribs 1 and a plurality of parallel vertical ribs 2; two single cells at two ends of the battery groove body 4, wherein a positive electrode bus bar in one single cell is connected with a positive electrode terminal straight pole column, a negative electrode bus bar in the other single cell is connected with a negative electrode terminal straight pole column, each positive electrode terminal straight pole column and each negative electrode terminal straight pole column are respectively connected with a terminal, and the top end of the battery groove body 4 is sealed by a battery cover;

in fig. 2 and 3, the cushion block 3 of the present invention is a block structure directly injection-molded by connecting 5 parallel horizontal ribs 1 and 4 parallel vertical ribs 2 in a crisscross manner, the widths w of the five parallel horizontal ribs 1 are reduced from top to bottom in sequence, the length of the horizontal rib 1 is quantitative, the length is 80-200 mm, the length is equivalent to the width of a polar plate, the height of the horizontal rib 1 is quantitative, and the height is 0.5-3 mm; the left side surface of each vertical rib 2 is in a right trapezoid shape, an included angle alpha is formed between the inclined edge of the right trapezoid and the vertical direction, the included angle alpha is matched with the included angle formed between the inclined edge of the isosceles trapezoid and the vertical direction, the included angle alpha is 20' to 3 degrees, the height h of each vertical rib 2 is quantitative, the height h of each vertical rib is 60 to 200mm, the width of each vertical rib 2 is quantitative, and the width of each vertical rib is 0.5 to 3 mm.

After the pole group 5 is produced, the cushion blocks 3 are arranged on the left side and the right side of the pole group 5, then the pole group is integrally placed in the battery groove body 4, the cushion blocks 3 just offset the upper tightness and the lower tightness caused by the demoulding inclination of the groove body partition wall 6, the upper tightness and the lower tightness of the pole group are consistent, and then butt welding, heat sealing and the like are carried out, so that the battery assembly is completed; the tight assembly of the upper part and the lower part of the battery pole group is consistent, the charge-discharge cycle performance of the lead-acid storage battery is improved, the vibration resistance of the battery is improved, and the service life of the battery is prolonged.

Claims

1. A tight-fitting lead-acid battery characterized in that: the battery cell comprises a battery cell body (4), wherein a single lattice is arranged in the battery cell body (4), the section of the single lattice is of an isosceles trapezoid structure, and the length of the upper bottom side of the isosceles trapezoid is greater than that of the lower bottom side of the isosceles trapezoid;

each single cell is internally provided with a pole group (5), each pole group (5) comprises a positive plate group consisting of positive plates and negative plates, each positive plate group consists of positive busbars and each negative plate group consists of negative busbars, each adjacent positive plate and each adjacent negative plate are separated by a partition, and the positive busbars and the negative busbars of the adjacent single cells are connected;

utmost point crowd (5) both sides all are provided with a cushion (3), and cushion (3) are by horizontal and vertical rib (2) of a plurality of parallels block structure of crossing connection with great ease of horizontal rib (1) and a plurality of parallels, horizontal rib (1) width W of a plurality of parallels reduces from top to bottom in proper order, vertical rib (2) left surface is a right trapezoid, and the right trapezoid hypotenuse is formed with an contained angle alpha with vertical direction, contained angle alpha angle and, the contained angle phase-match that isosceles trapezoid hypotenuse and vertical direction formed.

2. A tightly-fitted lead-acid battery according to claim 1, characterized in that: the cushion block (3) is a block-shaped structure formed by connecting 3-10 parallel transverse ribs (1) and 3-10 parallel vertical ribs (2) in a criss-cross mode.

3. A tightly-fitted lead-acid battery according to claim 1, characterized in that: the cushion block (3) is a block-shaped structure formed by connecting 5 parallel transverse ribs (1) and 4 parallel vertical ribs (2) in a criss-cross mode.

4. A tightly-fitted lead-acid battery according to claim 1, characterized in that: the length of the transverse ribs (1) is matched with the width of the polar group (5), the length of the transverse ribs (1) is 80-200 mm, and the height of the transverse ribs (1) is 0.5-3 mm.

5. A tightly-fitted lead-acid battery according to claim 1, characterized in that: the height of the vertical ribs (2) is 60-200 mm, and the width of the vertical ribs (2) is 0.5-3 mm.

6. A tightly-fitted lead-acid battery according to claim 1, characterized in that: the included angle alpha is 20' to 3 degrees.

7. A tightly-fitted lead-acid battery according to claim 1, characterized in that: the two adjacent single lattices are separated by a groove body partition wall (6), butt welding holes are formed in the groove body partition wall (6), and the adjacent single lattice anode bus bars and the adjacent single lattice cathode bus bars are mutually connected in the butt welding holes through wall penetrating welding.

8. A tightly-fitted lead-acid battery according to claim 1, characterized in that: two single check at battery cell body (4) both ends are connected with the straight utmost point post of positive terminal on the positive busbar in one of them single check, are connected with the straight utmost point post of negative terminal on the negative busbar in another single check, have the terminal on the straight utmost point post of each positive terminal, the straight utmost point post of each negative terminal respectively.

9. A tightly-fitted lead-acid battery according to claim 1, characterized in that: the top end of the battery groove body (4) is sealed by a battery cover.