CN217544726U - Accumulator tank - Google Patents

Accumulator tank Download PDF

Info

Publication number
CN217544726U
CN217544726U CN202220893808.7U CN202220893808U CN217544726U CN 217544726 U CN217544726 U CN 217544726U CN 202220893808 U CN202220893808 U CN 202220893808U CN 217544726 U CN217544726 U CN 217544726U
Authority
CN
China
Prior art keywords
grooves
monomer
groove
battery
cell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202220893808.7U
Other languages
Chinese (zh)
Inventor
邓成智
李雪辉
孔鹤鹏
刘玉
李桂发
郭志刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianneng Battery Group Co Ltd
Original Assignee
Tianneng Battery Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianneng Battery Group Co Ltd filed Critical Tianneng Battery Group Co Ltd
Priority to CN202220893808.7U priority Critical patent/CN217544726U/en
Application granted granted Critical
Publication of CN217544726U publication Critical patent/CN217544726U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Secondary Cells (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

The utility model discloses a storage battery groove, the inner cavity of which is divided into a plurality of monomer grooves by clapboards, when the monomer grooves are arranged in a single row, the monomer grooves at the two ends of the storage battery groove are called as edge monomer grooves, and the monomer groove between the monomer grooves at the two sides is called as middle monomer groove; when the monomer grooves are arranged in double rows, the monomer grooves positioned at the four corners of the storage battery groove are called side monomer grooves, the monomer grooves positioned between the side monomer grooves are called middle monomer grooves, the outer side wall of the storage battery groove is provided with heat dissipation grooves corresponding to the middle monomer grooves, and the heat dissipation grooves are filled with heat dissipation layers. The device improves the local radiating effect of the storage battery groove by arranging the radiating groove under the condition of not influencing the structural strength of the storage battery, thereby improving the radiating capacity of the storage battery.

Description

Accumulator tank
Technical Field
The utility model relates to a secondary battery technical field especially relates to a storage battery groove.
Background
A lead accumulator is an accumulator whose electrodes are made up mainly of lead and its oxide and whose electrolyte is sulfuric acid solution. When the lead-acid battery discharges, the lead dioxide of the positive electrode and the spongy lead of the negative electrode are converted into lead sulfate; during charging, the lead sulfate of the positive electrode and the negative electrode is respectively converted into lead dioxide and spongy lead. The rated voltage of a single lead storage battery is 2.0V, and lead storage batteries with rated voltages of 4.0V, 6.0V, 8.0V, 10.0V and 12.0V are formed by connecting 2-6 single lead storage batteries in series frequently.
The 12.0V lead storage battery has two common structures, namely a single-row structure of 1*6 and a double-row structure of 2*3.
Formation is a key process in lead storage battery production, and positive active materials are converted into lead dioxide and negative active materials are converted into spongy lead through charging and discharging.
There are two common formation methods, plate formation and battery formation. The plate formation, also called as slot formation and external formation, inserts positive and negative plate into the formation slot alternatively, the plate with same polarity is arranged on the same side, the positive and negative electrode groups forming multi-plate are charged to form cooked plate, the cooked plate is used to assemble battery, the non-dry battery also needs to be added with acid and charged. The battery formation, also called container formation, is to assemble the green plates into a battery, add acid, and then electrify to form a cooked plate.
The formation of the battery is an exothermic process. The contact areas of the two side single lattices and the middle single lattice of the lead storage battery with the environment are different, in the lead storage battery with a double-row structure, the two side single lattices have 2 surfaces which are in contact with the environment and radiate heat, and the middle single lattice only has 1 surface which is in contact with the environment and radiate heat. In the formation process, the heat dissipation capacity of the single grids at the two sides is greater than that of the single grid in the middle, the internal temperature of the single grids at the two sides is lower than that of the single grid in the middle, and the water loss of the single grids at the two sides is less than that of the single grid in the middle.
After the formation is finished, the electrolyte density of the single grids at the two sides is lower than that of the single grid in the middle, so that the problems of uneven electrolyte density among the single grids and poor battery consistency are solved.
Patent document CN213905469U is a high-temperature lead-acid storage battery cover, which comprises a sealing cover, six groove bodies are fixed below the sealing cover, the groove bodies are divided into two rows and fixed on the lower end face of the sealing cover, and a gap is formed between the two rows of groove bodies; the battery is designed into two rows of three grids, a gap is reserved between two rows of groove bodies, the battery is fixed in the groove bodies, and heat-conducting silica gel is filled in the gap and at the bottom of the groove bodies. The method increases the heat dissipation area between the battery and the air, thereby improving the heat dissipation capacity of the battery.
The device increases the heat dissipation area by increasing the gap, if in order to guarantee that the primary battery volume is unchangeable, will reduce the capacity of battery, if in order to guarantee that the battery capacity is unchangeable, need change battery raw materials or increase battery volume, all can influence the original function and the structure of battery.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a storage battery groove improves the local radiating effect of storage battery groove through setting up the radiating groove under the battery structural strength condition not influence to improve the heat-sinking capability of battery.
When the monomer grooves are arranged in a single row, the monomer grooves positioned at two ends of the battery groove are called as side monomer grooves, and the monomer groove positioned between the monomer grooves at two sides is called as a middle monomer groove; when the monomer grooves are arranged in double rows, the monomer grooves positioned at the four corners of the storage battery groove are called side monomer grooves, the monomer grooves positioned between the side monomer grooves are called middle monomer grooves, the outer side wall of the storage battery groove is provided with heat dissipation grooves corresponding to the middle monomer grooves, and the heat dissipation grooves are filled with heat dissipation layers.
Preferably, when the single cells are arranged in a single row and the number of the single cells is 3 or 4, the depth of the heat dissipation groove is 1/5 to 1/3 of the thickness of the side wall of the battery groove, and the height of the heat dissipation groove is 1/2 to 4/5 of the height of the battery groove.
Preferably, when the single cells are arranged in a single row and the number of the single cells is 5 or 6, the depth of the heat sink corresponding to the single cell connected to one side of the single cell is 1/10 to 1/6 of the thickness of the sidewall of the battery cell, the depth of the heat sink corresponding to the single cell not connected to the side of the single cell is 1/5 to 1/3 of the thickness of the sidewall of the battery cell, and the height of the heat sink is 1/2 to 4/5 of the height of the battery cell.
Preferably, when the monomer grooves are arranged in double rows and the number of the monomer grooves is 6, the width of the heat dissipation groove is equal to the width of the corresponding arranged monomer groove, and the height of the heat dissipation groove is 1/2-4/5 of the height of the corresponding monomer groove.
Preferably, when the monomer grooves are arranged in a double row and the number of the monomer grooves is 6, the heat dissipation grooves extend to both end side monomer grooves in the width direction.
Specifically, the width of the heat dissipation groove extending on the edge monomer groove along the width direction is 1/10-1/5 of the width of the corresponding edge monomer groove, and the height of the heat dissipation groove is 1/2-4/5 of the height of the corresponding middle monomer groove.
Preferably, when the monomer grooves are arranged in double rows and the number of the monomer grooves is 6, two heat dissipation grooves arranged along the width direction are correspondingly arranged at the position of each monomer groove, and each heat dissipation groove extends to the monomer grooves at two ends along the width direction.
Specifically, the width of each heat dissipation groove extending along the edge monomer groove is 1/10-1/5 of the inner width of the corresponding edge monomer groove, the width of each heat dissipation groove extending along the middle monomer groove is 1/5-2/5 of the inner width of the corresponding middle monomer groove, and the height of each heat dissipation groove is 1/2-4/5 of the inner height of the corresponding middle monomer groove.
Preferably, the heat dissipation layer is made of a heat-conducting silica gel sheet or a graphite sheet, and the heat in the middle monomer tank is absorbed out by filling a material with strong heat absorption capacity, so that the overall temperature in the storage battery tank is reduced.
Compared with the prior art, the beneficial effects of the utility model are that:
through set up the radiating groove on battery groove lateral wall, under the prerequisite that does not change battery capacity, the heat-sinking capability of monomer groove in increasing to the radiating effect of battery has been improved.
Drawings
FIG. 1 is a schematic view of a single row of 6v accumulator cells in an example embodiment;
FIG. 2 is a schematic view of an embodiment of an 8v battery cell in a single row arrangement;
FIG. 3 is a schematic view of a single row arrangement of 10v battery cells in an example embodiment;
FIG. 4 is a schematic view of a single row of 12v accumulator cells in an example embodiment;
FIG. 5 is a schematic view of a first double row arrangement of cells in the embodiment;
FIG. 6 is a schematic view of a second double row arrangement of cells in the embodiment;
FIG. 7 is a schematic view of a third embodiment of a battery cell in a double row arrangement;
in the figure, 1, a battery cell; 2. a heat sink; 3. a partition plate; 4. a middle monomer groove; 5. and a side monomer groove.
Detailed Description
Example 1
As shown in FIG. 1, a 6v accumulator tank 1 is arranged in a single row, two side single tanks 5 and a middle monomer tank 4 clamped in the middle are separated in the accumulator tank 1 by clapboards 3, wherein the thickness of the clapboards 3 is 1/4 of the thickness of the side wall of the accumulator tank 1;
as the three sides of the edge monomer 5 are the side wall of the storage battery groove 1 and one side is the partition plate 2, compared with the middle monomer groove 4 with only two sides being the side wall of the storage battery groove 1, the heat dissipation capacity is very strong, and the problem of overhigh local temperature of the storage battery is caused, the heat dissipation groove 2 which is arranged corresponding to the middle monomer groove 4 is arranged on the side wall of the storage battery groove 1, the depth of the heat dissipation groove 2 is 1/5 of the thickness of the side wall of the storage battery groove 1, and the height of the heat dissipation groove 2 is 1/2 of the height of the storage battery groove 1.
Wherein, radiating groove 2 intussuseption is filled with the heat dissipation layer, and this heat dissipation layer material chooses for use heat conduction silica gel piece and thickness and radiating groove 2 thickness unanimously.
Example 2
As shown in fig. 2, the battery container 1 is formed by arranging 8v battery containers 1 in a single row, wherein the battery containers 1 are divided into two side battery containers 5 and two middle battery containers 4 by separators 3, and the thickness of the separators 3 is consistent with that of the side walls of the battery containers 1.
As the three sides of the edge monomer 5 are the side wall of the storage battery tank 1 and one side is the partition plate 3, compared with the middle monomer tank 4 with only two sides being the side wall of the storage battery tank 1, the heat dissipation capacity is very strong, and the problem of overhigh local temperature of the storage battery is caused, the heat dissipation tank 2 arranged corresponding to the middle monomer tank 4 is arranged on the side wall of the storage battery tank 1, the depth of the heat dissipation tank 2 is 1/3 of the thickness of the side wall of the storage battery tank 1, and the height of the heat dissipation tank 2 is 4/5 of the height of the storage battery tank 1.
Wherein, radiating groove 2 intussuseption is filled with the heat dissipation layer, and this heat dissipation layer material chooses for use heat conduction silica gel piece and thickness and radiating groove 2 thickness unanimously.
Example 3
As shown in FIG. 3, the battery container 1 is a single row arrangement of 10V battery containers, two side battery containers 5 and three middle battery containers 4 are separated from each other by a partition plate 3 in the battery container 1, wherein the thickness of the partition plate 3 is 1/2 of the thickness of the side wall of the battery container 1.
In order to solve the heat dissipation problem, heat dissipation grooves 2 arranged corresponding to the middle monomer grooves 4 are formed in the side walls of the storage battery grooves 1, wherein the depth of the heat dissipation groove 2 correspondingly arranged in the middle monomer groove 4 connected with the side monomer groove 5 is 1/10 of the thickness of the side wall of the storage battery groove 1, the depth of the heat dissipation groove 2 correspondingly arranged in the middle monomer groove 4 not connected with the side monomer groove 5 is 1/5 of the thickness of the side wall of the storage battery groove 1, and the height of the heat dissipation groove 2 is 3/5 of the height of the storage battery groove 1.
Wherein, radiating groove 2 intussuseption is filled with the heat dissipation layer, and this heat dissipation layer material chooses for use heat conduction silica gel piece and thickness and radiating groove 2 thickness unanimously.
Example 4
As shown in FIG. 4, the battery cell 1 is divided into two side cell slots 5 and four middle cell slots 4 sandwiched by partition plates 3, wherein the thickness of the partition plates 3 is 1/2 of the thickness of the side walls of the battery cell 1.
In order to solve the heat dissipation problem, the side wall of the storage battery groove 1 is provided with heat dissipation grooves 2 which are arranged corresponding to the middle monomer grooves 4, wherein the depth of the heat dissipation groove 2 which is arranged corresponding to the middle monomer groove 4 and is connected with the side monomer groove 5 is 1/6 of the thickness of the side wall of the storage battery groove 1, the depth of the heat dissipation groove 2 which is arranged corresponding to the middle monomer groove 4 and is not connected with the side monomer groove 5 is 1/6 of the thickness of the side wall of the storage battery groove 1, and the height of the heat dissipation groove 2 is 3/5 of the height of the storage battery groove 1.
Wherein, radiating groove 2 intussuseption is filled with the heat dissipation layer, and this heat dissipation layer material chooses for use heat conduction silica gel piece and thickness and radiating groove 2 thickness unanimity.
Example 5
As shown in FIG. 5, the battery container 1 is arranged in two rows, and the battery container 1 is divided into side cell containers 5 at four corners of the battery container and two sandwiched cell containers 4 by partition plates 3.
In order to solve the heat dissipation problem, the heat dissipation groove 2 is arranged on the outer groove surface corresponding to the middle monomer groove 4, the width of the heat dissipation groove 2 is equal to the inner width of the middle monomer groove 4, namely the heat dissipation groove 2 covers the whole side surface of the middle monomer groove 4 to improve the heat dissipation area, and the height of the heat dissipation groove 2 is 1/2-4/5 of the height of the middle monomer groove 4.
Wherein, radiating groove 2 intussuseption is filled with the heat dissipation layer, and this heat dissipation layer material chooses for use heat conduction silica gel piece and thickness and radiating groove 2 thickness unanimity.
Example 6
As shown in fig. 6, the battery container 1 is arranged in two rows, and the battery container 1 is divided by the partition plate 3 into the side cell container 5 at the four corners of the battery container and the two sandwiched cell containers 4.
In order to solve the heat dissipation problem, a heat dissipation groove 2 is arranged on the outer groove surface corresponding to a middle monomer groove 4, a heat dissipation groove 3 extends to monomer grooves 5 at two ends along the width direction, the width of the heat dissipation groove 2 extends on the monomer grooves 5 at the two ends is 1/10-1/5 of the inner width of the monomer groove 5 at the corresponding side along the width direction, and the height of the heat dissipation groove 2 is 1/2-4/5 of the inner height of the monomer groove at the corresponding middle monomer.
Wherein, radiating groove 2 intussuseption is filled with the heat dissipation layer, and this heat dissipation layer material chooses for use heat conduction silica gel piece and thickness and radiating groove 2 thickness unanimity.
Example 7
As shown in FIG. 7, the battery container 1 is arranged in two rows, and the battery container 1 is divided into side cell grooves 5 at four corners of the battery container 1 and two sandwiched cell grooves 4 by partitions 3.
In order to solve the heat dissipation problem, two heat dissipation grooves 2 which are arranged along the width direction are correspondingly arranged at the position of each single body groove 4, each heat dissipation groove 2 extends to the single body grooves 5 at two end edges along the width direction, and the arrangement method considers that the structural strength of the joint of the partition plate 3 and the inner wall of the groove is larger than that of the side wall of the single storage battery groove 1, so that the integral structural strength of the storage battery groove 1 is not influenced when the heat dissipation capacity is improved;
the width of each heat dissipation groove 2 extending along the edge monomer groove 5 is 1/10-1/5 of the width of the corresponding edge monomer groove 5, the width of each heat dissipation groove 2 extending along the middle monomer groove is 1/5-2/5 of the width of the corresponding middle monomer groove 4, and the height of each heat dissipation groove 2 is 1/2-4/5 of the height of the corresponding middle monomer groove 4.
Wherein, radiating groove 2 intussuseption is filled with the heat dissipation layer, and this heat dissipation layer material chooses for use heat conduction silica gel piece and thickness and radiating groove 2 thickness unanimously.
As shown in table 1, the performance and structural strength of the double-row battery cells are compared:
heat radiation performance Strength of
Control group ◆ ◆◆◆◆◆
Example 5 ◆◆ ◆◆◆
Example 6 ◆◆◆◆◆ ◆◆
Example 7 ◆◆◆◆ ◆◆◆◆
As can be seen from the table, compared with the double-row arrangement battery cell without the heat dissipation grooves, since the heat dissipation grooves arranged corresponding to the single cell groove are adopted in the embodiment 5, although the heat dissipation capability is improved compared with the original structure, the heat dissipation area is smaller than the other two types, and the heat dissipation effect is not good; in embodiment 6, the area of the heat dissipation groove is enlarged, so that the heat dissipation capacity is greatly improved, but the removed groove body also influences the structural strength of the storage battery groove; embodiment 7 then considers both advantages before, utilizes the high strength structure characteristics of battery groove inner wall and baffle handing-over department, has arranged two radiating grooves for monomer groove in every to realize improving the heat-sinking capability, can not influence the structural strength that battery groove originally simultaneously yet.

Claims (9)

1. When the monomer grooves are arranged in a single row, the monomer grooves positioned at two ends of the battery groove are called as side monomer grooves, and the monomer groove positioned between the monomer grooves at two sides is called as a middle monomer groove; when the monomer grooves are arranged in double rows, the monomer grooves positioned at the four corners of the storage battery groove are called side monomer grooves, and the monomer grooves positioned between the monomer grooves on the sides are called middle monomer grooves.
2. The battery case according to claim 1, wherein when the battery cases are arranged in a single row and the number of battery cases is 3 or 4, the depth of the heat sink is 1/5 to 1/3 of the thickness of the side wall of the battery case, and the height of the heat sink is 1/2 to 4/5 of the height of the battery case.
3. The battery cell according to claim 1, wherein when the cell slots are arranged in a single row and the number of the cell slots is 5 or 6, the depth of the heat sink provided corresponding to the cell slot connected to one side of the cell slot is 1/10 to 1/6 of the thickness of the sidewall of the battery cell, the depth of the heat sink provided corresponding to the cell slot not connected to the side of the cell slot is 1/5 to 1/3 of the thickness of the sidewall of the battery, and the height of the heat sink is 1/2 to 4/5 of the height of the battery.
4. The battery container according to claim 1, wherein when the cell containers are arranged in a double row and the number of the cell containers is 6, the width of the heat dissipation groove is equal to the width of the corresponding cell container, and the height of the heat dissipation groove is 1/2 to 4/5 of the height of the corresponding cell container.
5. The battery case according to claim 1, wherein the heat dissipating grooves extend in the width direction to both end edge cell grooves when the cell grooves are arranged in a double row and the number of the cell grooves is 6.
6. The accumulator tank of claim 5, wherein the width of the heat sink extends 1/10-1/5 of the width of the corresponding single tank on the single tank on one side, and the height of the heat sink is 1/2-4/5 of the height of the corresponding single tank on the middle side.
7. The battery container according to claim 1, wherein when the single-body grooves are arranged in a double row and the number of the single-body grooves is 6, two heat dissipation grooves are correspondingly arranged in the width direction at each single-body groove, and each heat dissipation groove extends to both end single-body grooves in the width direction.
8. The battery well according to claim 7, wherein each heat sink extends along the side cell well by a width of 1/10 to 1/5 of the width of the corresponding side cell well, extends along the middle cell well by a width of 1/5 to 2/5 of the width of the corresponding middle cell well, and has a height of 1/2 to 4/5 of the height of the corresponding middle cell well.
9. The battery cell of claim 1, wherein the heat sink material is a thermally conductive silicone sheet or a graphite sheet.
CN202220893808.7U 2022-04-18 2022-04-18 Accumulator tank Active CN217544726U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220893808.7U CN217544726U (en) 2022-04-18 2022-04-18 Accumulator tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220893808.7U CN217544726U (en) 2022-04-18 2022-04-18 Accumulator tank

Publications (1)

Publication Number Publication Date
CN217544726U true CN217544726U (en) 2022-10-04

Family

ID=83431779

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220893808.7U Active CN217544726U (en) 2022-04-18 2022-04-18 Accumulator tank

Country Status (1)

Country Link
CN (1) CN217544726U (en)

Similar Documents

Publication Publication Date Title
CN103208633A (en) Horizon battery and manufacturing method thereof
CN1178034A (en) Battery container, battery, and layer-built battery
KR20130094194A (en) Battery, battery plate assembly, and method of assembly
CN206461047U (en) A kind of lead-acid accumulator
US5993494A (en) Method of manufacturing modular components for a bipolar battery and the resulting bipolar battery
CN209374492U (en) A kind of high capacity lithium ion battery shell that heat sinking function is good
CN217544726U (en) Accumulator tank
GB1396340A (en) Lead storage batte'y
JPS59138076A (en) Stacked lead-acid battery
US11837701B2 (en) Bipolar lead acid battery cells with increased energy density
CN210200869U (en) Storage battery for container energy storage system
CN202651296U (en) Square nickel-metal-hydride battery with high capacity and low internal resistance
JPH069144B2 (en) Sealed lead acid battery
CN221041204U (en) Battery core
JP3706064B2 (en) Sealed storage battery
CN215933760U (en) Module structure and battery package
CN218448374U (en) Insert for storage battery and storage battery
CN220526994U (en) Battery cell
CN221176379U (en) Battery cell and battery pack
CN214957262U (en) Bipolar ear plate grid
CN216413114U (en) Miniature grid lead-acid storage battery
CN221009102U (en) Novel structure power battery plastic case
CN220138349U (en) Grid structure of bipolar battery
CN215418503U (en) Single-pole-lug and double-pole-lug structure lead-acid storage battery
CN217468535U (en) Wide-temperature polymer lithium ion battery structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant