CN210778833U

CN210778833U - Storage battery

Info

Publication number: CN210778833U
Application number: CN201921549019.6U
Authority: CN
Inventors: 李越南; 刘海凤; 周文渭; 庄建
Original assignee: Tianneng Battery Group Co Ltd
Current assignee: Tianneng Battery Group Co Ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-16
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses a storage battery, including battery jar and battery cover, the battery jar is divided into a plurality of simple lattices by the division board, is equipped with a utmost point crowd in every simple lattice, has the edge between the adjacent simple lattice the division board is followed the clearance that the bottom of battery jar extends to the top direction. By utilizing the utility model, on one hand, the assembly pressure of each single cell is more consistent, thereby solving the problem of uneven local pressure in the battery, in particular the problem of bulging of the side surface under pressure; on the other hand, the split battery jar makes certain space remain between the single utmost point crowd, when charging into or normal use, does benefit to the heat dissipation, reduces the battery temperature rise.

Description

Storage battery

Technical Field

The utility model belongs to the technical field of the battery, especially, relate to an adopt battery of split type battery jar.

Background

The existing storage battery is designed into an integral structure, and the VRLA battery has the structural characteristics that a pole group is tightly contacted with a battery shell, and the VRLA battery has stronger assembly pressure. During the production process, the battery is extruded by the pole group to deform during the assembly; the temperature change can take place at the closing cap in-process, and the battery also can take place the rising and the reduction phenomenon of temperature when adding the acid and forming to charge, and battery case receives cold and hot change and also can cause the deformation of battery case different degrees. The deformation is more than or equal to 2mm, and can reach 4-5mm seriously. The uneven local pressure in the battery and the thermal deformation of the battery are main factors for generating bulging of the battery, and the service life of the battery is influenced.

The storage battery comprises a pole, a safety valve, a battery cover, a battery jar, a positive plate, a negative plate, partition paper and electrolyte, wherein a plurality of grooves are formed in the bottom of the battery jar, a rotating shaft and idler wheels are installed in the grooves, the idler wheels are installed in the middle of the rotating shaft, movable sleeves are arranged at two ends of the rotating shaft, a spring is installed between the end of the rotating shaft and the bottom of each movable sleeve, one end of the spring is connected with the end of the rotating shaft, the other end of the spring is connected with the bottom of each movable sleeve, and the movable sleeves are movably installed in shaft holes.

The storage battery mainly dissipates heat to the outside through shell conduction heat, and the shell cannot provide enough heat dissipation capacity, so that the temperature of the storage battery is increased, and the use safety and the service life of the storage battery are influenced. In addition, the local pressure in the battery is uneven, the battery can be swelled due to thermal deformation of the battery, and the storage battery with large swelling deformation has potential safety hazards, so that high alertness of users can be caused, a large amount of complaints or returns caused by battery deformation can be caused, and serious negative effects and large economic losses can be caused to the production of storage battery enterprises.

SUMMERY OF THE UTILITY MODEL

The utility model provides a storage battery, which can solve the problems of battery bulging deformation and other potential safety hazards caused by the fact that the temperature rise between the electrode groups cannot be timely dispersed in the traditional storage battery; and its neotype gluey groove design provides the sealed mode of gluing that adds of a battery transport exempts from, has simplified production processes, has reduced producers' working strength, has improved production efficiency.

The technical scheme of the utility model as follows:

the battery comprises a battery container and a battery cover, wherein the battery container is divided into a plurality of single lattices by partition plates, a pole group is arranged in each single lattice, and a gap extending from the bottom of the battery container to the top along the partition plates is formed between every two adjacent single lattices.

The utility model has the advantages that the gaps are arranged between the adjacent single lattices, the assembly pressure of each single lattice is more consistent, and the problem of uneven local pressure in the battery, particularly the problem of pressure bulge on the side surface is solved; on the other hand, split type battery case for leave certain space between the single utmost point crowd, when charging into or normal use, with the increase of air or cooling water's contact surface, do benefit to the heat dissipation, reduce the battery temperature rise, solve traditional battery because of battery list check disjunctor, the battery bulging deformation and other potential safety hazards that lead to can not in time effluvium in temperature rise between the inside utmost point crowd.

In order to increase the heat dissipation effect, the gap is 5-10 mm.

The number of the single lattices is 6, and the single lattices are arranged by 1 multiplied by 6.

The upper end of each adjacent cell is provided with a connecting block, the wall surface of the cell corresponding to the connecting block is provided with a weldment groove, the weldment groove is provided with a through-wall welding hole penetrating through the connecting block, and the electrode groups of each cell are connected by through-wall welding.

The connecting block is a cube or a cuboid, and the sectional area is slightly larger than the corresponding through-wall welding hole.

Compare in the gap bridge welding that traditional battery generally adopted, the utility model discloses a wear the wall welding and can shorten the conductive path, battery internal resistance reduces, has improved the big electric discharge performance of battery.

In order to facilitate the assembly and sealing of the battery, the top of each single lattice is provided with a sealing rubber groove, and the battery cover is provided with a sealing convex edge matched with the sealing groove.

And a flat-opening O-shaped sealing ring is arranged on an end pole of the storage battery. Through this setting, reduced with utmost point post contact department because the atress concentrates the damage to utmost point post, the sealed inflow of gluing of effective separation terminal department makes binding post and sealed effect better, prevents the weeping, ensures the stability that the battery used.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the battery jar of the utility model adopts a split design, the gap is arranged between the adjacent single lattices, the assembly pressure of each single lattice is more consistent, and the problem of uneven local pressure in the battery, especially the bulge of the side surface under pressure is solved; on the other hand, split type battery jar for leave certain space between the single utmost point crowd, when charging into or normal use, do benefit to the heat dissipation, reduce the battery temperature rise.

2. The utility model discloses in the in-service operation in-process, compare traditional battery, it is few, simple to add the closing cap operation process, because the battery jar is heavier after having gone into utmost point crowd, and well big dense battery all is in 20KG to 100KG inequality, the utility model discloses a battery only needs to aim at the T word structure of battery lid bottom and has added the sealed battery jar of good utmost point crowd that goes into of gluing, has fallen staff's working strength greatly at the end, and production efficiency also very improves.

Drawings

Fig. 1 is a schematic structural diagram of a storage battery of the present invention;

fig. 2 is the schematic diagram of the internal structure of the storage battery of the present invention.

Detailed Description

The invention will be described in further detail with reference to the following figures and examples, which are intended to facilitate the understanding of the invention without limiting it.

As shown in fig. 1 and 2, a secondary battery includes a battery case and a battery cover, the battery case is divided into six unit cells 1 by partition plates, the unit cells are arranged in a 1 × 6 arrangement, a pole group 3 is provided in each unit cell 1, and a gap 2 extending along the partition plates from the bottom of the battery case to the top is provided between the adjacent unit cells 1.

Compared with the overall structure of the existing storage battery, the storage battery of the embodiment has the advantages that the assembly pressure of each unit cell 1 is consistent, so that the problem that the pressure in the battery is uneven, particularly the pressure on the side surface is raised is solved. On the other hand, a certain gap is reserved between the single 3 pole groups, when the battery is charged and formed or is normally used, the contact surface with air or cooling water is increased, heat dissipation is facilitated, the temperature rise of the battery is reduced, and the problems that the battery bulges and deforms and other potential safety hazards are caused due to the fact that the temperature rise between the internal pole groups cannot be timely dispersed in the traditional battery due to battery connection are solved.

As shown in fig. 2, the adjacent cells 1 are provided with connecting blocks at the upper end fixed positions, the cell wall surfaces corresponding to the connecting blocks are provided with weldment grooves 4, the weldment grooves 4 are provided with through-wall welding holes penetrating through the connecting blocks, the electrode groups 3 of each cell 1 are connected by adopting bus bars 8, and the bus bars 8 of different cells are connected by adopting through-wall welding.

In this embodiment, the face that connecting block and cell 1 are fixed is the square, and length width height is 35mm, and the face that connecting block and cell are fixed is greater than the area of the wall welding hole that wears that corresponds. The diameter of the through-wall welding hole is generally 8-12 mm.

In order to ensure the reliability of the internal connection of the battery, a structure of bus bar 8 through-wall welding is adopted between the assembly of the pole groups, the conductive path is shortened, the internal resistance of the battery is reduced, and the large-current discharge performance of the battery is improved. On the other hand, compared with the prior gap bridge welding, the wall-penetrating welding can realize one-time cast welding forming, reduce the production cost and simultaneously prevent the gap bridge of the lead-acid storage battery from being broken in the using process, thereby ensuring that the lead-acid storage battery is not damaged in advance under the condition of severe using state. Through the arrangement of the weldment groove 4 and the through-wall welding hole, the embedding and welding of the weldment are facilitated, and poor through-wall welding caused by displacement in the welding process is prevented; meanwhile, the wall thickness of the single cell is relatively reduced, and the material consumption is reduced.

The top of each single lattice 1 is provided with a sealing rubber groove 5, and the battery cover is provided with a sealing convex edge matched with the sealing groove 5.

The utility model discloses a battery, battery jar and lid cooperation department, battery jar top surface design into the recess, and the battery lid bottom designs into T font structure for after the utmost point crowd entered the battery jar, the groove department that can be directly on the battery jar adds the closing cap and glues, can directly seal the battery lid after that. The traditional method is that a groove is designed on the bottom surface of the battery cover, when the groove cover is sealed, the battery cover is turned over by 180 degrees, sealing glue is sealed at the groove of the battery cover, and then the battery cover groove added with the sealing glue is aligned after the semi-finished product assembled into the battery pack is turned over by 180 degrees.

When the production operation of the sealing cover is carried out, the prepared sealing glue is injected into the sealing glue groove 5 at the top of the battery jar with the electrode group 3 qualified by inspection, and then the battery cover is closed into the battery jar to be tightly combined. No matter the size of the battery model, the manual operation of all being convenient for, and can carry out terminal sealing this moment in succession, carry out the solidification operation of sealing colloid again promptly after adding terminal look glue. The battery cover sealing glue curing and the terminal sealing glue curing are synchronous, the traditional method that the battery needs to be turned right after the battery cover is sealed is omitted, the traditional operation and equipment configuration that the terminal sealing glue needs to be matched for sealing and curing are omitted, the manual operation intensity is effectively reduced, and the battery production efficiency and the production cost are improved.

In order to reduce the damage caused by stress concentration at the contact part of the terminal post and effectively block the inflow of sealant at the terminal, the sealing effect of the wiring terminal and the sealant is better, leakage is prevented, the use stability of the battery is ensured, and a flat-opening O-shaped sealing ring 7 is arranged on the terminal post 6.

The above-mentioned embodiment is to the technical solution and the beneficial effects of the present invention have been described in detail, it should be understood that the above is only the specific embodiment of the present invention, not used for limiting the present invention, any modification, supplement and equivalent replacement made within the principle scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A storage battery comprises a battery container and a battery cover, wherein the battery container is divided into a plurality of single lattices by partition plates, and a pole group is arranged in each single lattice.

2. The battery according to claim 1, wherein the gap is 5-10 mm.

3. The battery of claim 1, wherein said cells are 6, arranged in a 1 x 6 array.

4. The battery according to claim 1, wherein the adjacent cells are provided with connecting blocks at positions where the upper ends of the adjacent cells are fixed to each other, the wall surfaces of the cells corresponding to the connecting blocks are provided with weldment grooves, the weldment grooves are provided with through-wall welding holes penetrating through the connecting blocks, and the electrode groups of each cell are connected by through-wall welding.

5. The battery according to claim 4, characterized in that said connection blocks are cubic or rectangular, with a cross-section greater than the area of the corresponding through-wall welding holes.

6. The accumulator according to claim 1, characterized in that the top of each unit cell is provided with a sealant groove, and the cell cover is provided with a sealing flange matching with the sealing groove.

7. The storage battery of claim 1, wherein a flat-mouthed O-ring seal is provided on the terminal post of the storage battery.