CN112271365A - Lithium ion battery and battery cell fixing device thereof - Google Patents

Lithium ion battery and battery cell fixing device thereof Download PDF

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Publication number
CN112271365A
CN112271365A CN202011181646.6A CN202011181646A CN112271365A CN 112271365 A CN112271365 A CN 112271365A CN 202011181646 A CN202011181646 A CN 202011181646A CN 112271365 A CN112271365 A CN 112271365A
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battery
fixing device
moving plates
threaded rod
battery cell
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郑振兴
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Guangdong Polytechnic Normal University
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Guangdong Polytechnic Normal University
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • 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

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  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
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  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

本发明适用于锂离子电池领域，提供了一种锂离子电池及其电芯固定装置，包括电池外壳，所述电池外壳内侧中间位置处分别呈十字型分布固定连接有第一隔板、第二隔板，第一隔板左右两侧分别和电池外壳前后两侧内侧中间位置处固定连接，第二隔板左右两侧分别和电池外壳左右两侧内侧中间位置处固定连接；所述第一隔板左右两端前后位置处分别设置有两个移动固定装置；所述第二隔板左右两侧分别设置有两个滑动固定装置；所述电池外壳上端设置有电池固定装置。本发明实施例提供的一种锂离子电池及其电芯固定装置，能够稳定地对锂离子电池及其电芯进行固定，使得锂离子电池使用的安全性提高，实用性变好。

Figure 202011181646

The invention is applicable to the field of lithium ion batteries, and provides a lithium ion battery and a battery cell fixing device thereof, comprising a battery casing, wherein a first separator and a second separator are respectively fixed and connected in a cross-shaped distribution at the middle positions of the inner side of the battery casing. Separator, the left and right sides of the first separator are respectively fixedly connected to the middle position of the inner side of the front and rear sides of the battery case, and the left and right sides of the second separator are respectively fixed to the middle position of the inner side of the left and right sides of the battery case; the first spacer Two moving fixing devices are respectively arranged at the front and rear positions of the left and right ends of the plate; two sliding fixing devices are respectively arranged on the left and right sides of the second partition plate; and a battery fixing device is arranged on the upper end of the battery casing. The lithium ion battery and the cell fixing device thereof provided by the embodiment of the present invention can stably fix the lithium ion battery and its cell, so that the safety of using the lithium ion battery is improved and the practicability is improved.

Figure 202011181646

Description

Lithium ion battery and battery cell fixing device thereof
Technical Field
The invention relates to the field of lithium ion batteries, in particular to a lithium ion battery and a battery cell fixing device thereof.
Background
Lithium ion batteries are a new green energy source, and have been widely studied due to their advantages of light weight, large capacity, no memory effect, excellent electrochemical properties, and the like. At present, lithium ion batteries are used as power supplies for various electronic products, such as smart phones, notebook computers, digital cameras, portable small-sized electrical appliances and the like. Meanwhile, lithium ion batteries are also used in the electric automobile industry.
At present, people are studying how to reduce the cost of the lithium ion battery, but neglecting the safety problem caused by the lithium ion battery. Generally, a lithium ion battery and a battery cell fixing device thereof cannot stably fix the lithium ion battery and a battery cell thereof, so that an accident often occurs when the lithium ion battery is used, the safety of the lithium ion battery is reduced, and the practicability is deteriorated.
Disclosure of Invention
The embodiment of the invention aims to provide a lithium ion battery and a battery cell fixing device thereof. The lithium ion battery and the battery cell fixing device aim at solving the problems that a common lithium ion battery and a battery cell fixing device thereof cannot stably fix the lithium ion battery and the battery cell thereof, so that accidents often occur when the lithium ion battery is used, the safety of the use of the lithium ion battery is reduced, and the practicability is poor.
In order to achieve the purpose, the invention provides the following technical scheme:
a battery cell fixing device comprises a battery shell, wherein a first partition plate and a second partition plate are fixedly connected to the middle position of the inner side of the battery shell in a cross-shaped distribution mode respectively; two movable fixing devices are respectively arranged at the front and rear positions of the left end and the right end of the first partition plate; the left side and the right side of the second partition plate are respectively provided with two sliding fixing devices; and a battery fixing device is arranged at the upper end of the battery shell.
As a further scheme of the invention: the movable fixing device comprises two first movable plates which are arranged in bilateral symmetry about the first partition plates respectively, and the left and right sides of the two first movable plates are connected with the inner side of the battery shell and one end of the second partition plate in a sliding manner respectively; the middle positions of the two first moving plates are respectively in threaded connection with a first threaded rod, the left end of the first threaded rod is rotatably connected with the left side of the battery shell, and a driving moving device is arranged at the right end of the first threaded rod.
As a further scheme of the invention: the driving moving device comprises a first gear, a second gear is meshed and connected to one side, in the inward direction, of the first gear, a rotating shaft is fixedly connected to the middle position of the second gear, a motor is fixedly connected to the other end of the rotating shaft, and the bottom end of the motor is fixedly connected to the middle position of the upper end of the outer side of the left side of the battery shell.
As a further scheme of the invention: the sliding fixing device comprises two second moving plates, the two second moving plates are respectively and symmetrically arranged in front and back of the second partition plate, the right sides of the two second moving plates are respectively in sliding connection with the upper first moving plate and the lower first moving plate, and the inward ends of the two second moving plates are respectively in sliding connection with the front end and the rear end of the second partition plate; the middle positions of the two second moving plates are respectively in threaded connection with second threaded rods, one ends of the rear sides of the second threaded rods are rotatably connected with the inner side of the front end of the battery shell, and one ends of the front sides of the second threaded rods are provided with driving sliding devices.
As a further scheme of the invention: the driving sliding device comprises a belt wheel, and the middle position of the belt wheel is fixedly connected with one end in front of the second threaded rod; the two belt wheels are respectively connected through a belt.
As a further scheme of the invention: the battery fixing device comprises a fixing plate, and the lower end of the fixing plate and the upper end of the battery shell are detachably connected through four bolts which are symmetrically arranged front and back, left and right.
As a further scheme of the invention: two first sliding pins are fixedly connected to the front and rear opposite ends of the second moving plate respectively and are in sliding connection with the front and rear ends of the second partition plate respectively; two second sliding pins are fixedly connected to the middle positions of the inward sides of the two second moving plates respectively, and the two second sliding pins are connected with one side of the first partition plate in a sliding mode respectively.
A lithium ion battery comprises the battery cell fixing device.
The lithium ion battery and the battery cell fixing device thereof provided by the embodiment of the invention can be used for stably fixing the lithium ion battery and the battery cell thereof, so that the safety of the lithium ion battery in use is improved, and the practicability is improved.
Drawings
Fig. 1 is a schematic top view of a cell fixing device;
fig. 2 is a schematic structural view of the battery fixing device.
In the figure: 1. a battery case; 2. a first separator; 3. a first moving plate; 4. a second moving plate; 5. a second threaded rod; 6. a first threaded rod; 7. a second separator; 8. a pulley; 9. a rotating shaft; 10. a belt; 11. a first gear; 12. a second gear; 13. a motor; 14. a fixing plate; 15. a bolt; 16. a first slide pin; 17. a second slide pin.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a lithium ion battery and a cell fixing device thereof provided for an embodiment of the present invention include:
the battery comprises a battery shell 1, wherein a first partition plate 2 and a second partition plate 7 are fixedly connected to the middle position of the inner side of the battery shell 1 in a cross-shaped distribution manner, the left side and the right side of the first partition plate 2 are fixedly connected to the middle positions of the inner sides of the front side and the rear side of the battery shell 1 respectively, and the left side and the right side of the second partition plate 7 are fixedly connected to the middle positions of the inner sides of the left side and the right side of the battery shell; two movable fixing devices are respectively arranged at the front and rear positions of the left end and the right end of the first clapboard 2; the left side and the right side of the second clapboard 7 are respectively provided with two sliding fixing devices; and a battery fixing device is arranged at the upper end of the battery shell 1.
In one embodiment of the invention, when the device is used for fixing the lithium ion battery and the battery cell thereof, the two movable fixing devices are started firstly, then the two sliding fixing devices are started, so that the lithium battery is sufficiently fixed in the device, and finally the battery fixing device is started.
As shown in fig. 1, as a preferred embodiment of the present invention, the moving and fixing device includes two first moving plates 3, the two first moving plates 3 are respectively arranged in bilateral symmetry with respect to the first partition 2, and the left and right sides of the two first moving plates 3 are respectively slidably connected with the inner side of the battery case 1 and one end of the second partition 7; the middle positions of the two first moving plates 3 are respectively in threaded connection with a first threaded rod 6, the left end of the first threaded rod 6 is rotatably connected with the left side of the battery shell 1, and a driving moving device is arranged at the right end of the first threaded rod 6; the drive movement means are activated so that the first threaded bar 6 rotates, causing the two first moving plates 3 to perform an opposing, repellent movement.
As shown in fig. 1, as another preferred embodiment of the present invention, the driving and moving device includes a first gear 11, a second gear 12 is engaged and connected to one inward side of the first gear 11, a rotating shaft 9 is fixedly connected to a middle position of the second gear 12, a motor 13 is fixedly connected to the other end of the rotating shaft 9, and a bottom end of the motor 13 is fixedly connected to a middle position of an upper end of an outer side of a left side of the battery housing 1; the motor 13 is started, so that the motor 13 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the second gear 12 to rotate, the second gear 12 is meshed with the first gear 11 to rotate, and the first gear 11 drives the first threaded rod 6 to rotate.
As shown in fig. 1, as another preferred embodiment of the present invention, the sliding fixing device includes two second moving plates 4, the two second moving plates 4 are respectively and symmetrically arranged in front and back with respect to a second partition 7, the right sides of the two second moving plates 4 are respectively and slidably connected with the upper and lower first moving plates 3, and the inward ends of the two second moving plates 4 are respectively and slidably connected with the front and back ends of the second partition 7; a second threaded rod 5 is respectively in threaded connection with the middle positions of the two second moving plates 4, one end of the rear side of the second threaded rod 5 is rotatably connected with the inner side of the front end of the battery shell 1, and a driving sliding device is arranged at one end of the front side of the second threaded rod 5; the second threaded rod 5 rotates, so that the second threaded rod 5 drives the two second moving plates 4 to move in an opposite and repellent manner.
As shown in fig. 1, as another preferred embodiment of the present invention, the driving sliding device comprises a belt pulley 8, and the middle position of the belt pulley 8 is fixedly connected with one end of the front surface of the second threaded rod 5; the two belt wheels 8 are respectively connected through a belt 10; the left belt wheel 8 rotates, so that the belt wheel 8 drives the right belt wheel 8 to rotate through the belt 10, and the two belt wheels 8 respectively drive the two second threaded rods 5 to rotate simultaneously.
As shown in fig. 1 and 2, as another preferred embodiment of the present invention, the battery fixing device includes a fixing plate 14, and the lower end of the fixing plate 14 and the upper end of the battery case 1 are detachably connected by four bolts 15 symmetrically disposed at the front, rear, left and right, respectively; so that the fixing plate 14 seals the upper end of the battery case 1 and the four bolts 15 allow the fixing plate 14 and the battery case 1 to be detachably coupled.
As shown in fig. 1, as another preferred embodiment of the present invention, two first sliding pins 16 are fixedly connected to front and rear opposite ends of the two second moving plates 4, respectively, and the two first sliding pins 16 are slidably connected to front and rear ends of the second partition 7, respectively; two second sliding pins 17 are respectively and fixedly connected to the middle positions of the inward sides of the two second moving plates 4, and the two second sliding pins 17 respectively slide with one side of the first partition plate 2; the two second moving plates 4 can be smoothly and stably connected in the front end and the rear end of the second partition 7 in a sliding manner, and meanwhile, the two second moving plates 4 can be stably slid in one side of the first partition 2.
A lithium ion battery comprises the battery cell fixing device.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1.一种电芯固定装置，包括电池外壳（1），其特征在于，所述电池外壳（1）内侧中间位置处分别呈十字型分布固定连接有第一隔板（2）、第二隔板（7），第一隔板（2）左右两侧分别和电池外壳（1）前后两侧内侧中间位置处固定连接，第二隔板（7）左右两侧分别和电池外壳（1）左右两侧内侧中间位置处固定连接；所述第一隔板（2）左右两端前后位置处分别设置有两个移动固定装置；所述第二隔板（7）左右两侧分别设置有两个滑动固定装置；所述电池外壳（1）上端设置有电池固定装置。1. A battery cell fixing device, comprising a battery casing (1), characterized in that, a first separator (2) and a second separator are respectively fixed and connected in a cross-shaped distribution at the inner middle position of the battery casing (1). The plate (7), the left and right sides of the first partition plate (2) are respectively fixedly connected to the inner middle positions of the front and rear sides of the battery casing (1), and the left and right sides of the second partition plate (7) are respectively connected to the left and right sides of the battery casing (1). The middle positions of the inner sides of the two sides are fixedly connected; two moving fixing devices are respectively arranged at the front and rear positions of the left and right ends of the first partition plate (2); A sliding fixing device; a battery fixing device is arranged on the upper end of the battery casing (1). 2.根据权利要求1所述的电芯固定装置，其特征在于，所述移动固定装置包括两个第一移动板（3），两个第一移动板（3）分别关于第一隔板（2）左右对称设置，两个第一移动板（3）左右两侧分别和电池外壳（1）内侧、第二隔板（7）一端滑动连接；所述两个第一移动板（3）中间位置处分别螺纹连接有第一螺纹杆（6），第一螺纹杆（6）左端和电池外壳（1）左侧转动连接，第一螺纹杆（6）右端设置有驱动移动装置。2 . The battery cell fixing device according to claim 1 , wherein the mobile fixing device comprises two first moving plates ( 3 ), and the two first moving plates ( 3 ) are respectively related to the first partition plates ( 3 ). 3 . 2) The left and right are symmetrically arranged, and the left and right sides of the two first moving plates (3) are respectively slidably connected to the inner side of the battery casing (1) and one end of the second partition plate (7); the middle of the two first moving plates (3) A first threaded rod (6) is threadedly connected at the positions, the left end of the first threaded rod (6) is rotatably connected with the left side of the battery housing (1), and a driving moving device is provided on the right end of the first threaded rod (6). 3.根据权利要求2所述的电芯固定装置，其特征在于，所述驱动移动装置包括第一齿轮（11），第一齿轮（11）向内一侧啮合连接有第二齿轮（12），第二齿轮（12）中间位置处固定连接有转动轴（9），转动轴（9）另一端固定连接有电机（13），电机（13）底端和电池外壳（1）左侧外侧上端中间位置处固定连接。3 . The battery cell fixing device according to claim 2 , wherein the driving and moving device comprises a first gear ( 11 ), and a second gear ( 12 ) is meshed and connected to the inward side of the first gear ( 11 ). 4 . , a rotating shaft (9) is fixedly connected at the middle position of the second gear (12), the other end of the rotating shaft (9) is fixedly connected with a motor (13), the bottom end of the motor (13) and the upper end of the left outer side of the battery shell (1) Fixed connection in the middle. 4.根据权利要求1所述的电芯固定装置，其特征在于，所述滑动固定装置包括两个第二移动板（4），两个第二移动板（4）分别关于第二隔板（7）前后对称设置，两个第二移动板（4）右侧分别和上下两个第一移动板（3）滑动连接，两个第二移动板（4）向内一端分别和第二隔板（7）前后两端滑动连接；两个第二移动板（4）中间位置处分别螺纹连接有第二螺纹杆（5），第二螺纹杆（5）后面一端和电池外壳（1）前端内侧转动连接，第二螺纹杆（5）前面一端设置有驱动滑动装置。4 . The battery cell fixing device according to claim 1 , wherein the sliding fixing device comprises two second moving plates ( 4 ), and the two second moving plates ( 4 ) are respectively related to the second partition plates ( 4 . 5 . 7) The front and rear are symmetrically arranged, the right side of the two second moving plates (4) are respectively slidably connected with the upper and lower first moving plates (3), and the inward ends of the two second moving plates (4) are respectively connected with the second partition plate (7) The front and rear ends are slidingly connected; the middle positions of the two second moving plates (4) are respectively screwed with a second threaded rod (5), the rear end of the second threaded rod (5) and the inner side of the front end of the battery shell (1) Rotating connection, the front end of the second threaded rod (5) is provided with a driving sliding device. 5.根据权利要求4所述的电芯固定装置，其特征在于，所述驱动滑动装置包括带轮（8），带轮（8）中间位置处和第二螺纹杆（5）前面一端固定连接；两个所述带轮（8）分别通过皮带（10）连接。5 . The battery cell fixing device according to claim 4 , wherein the driving sliding device comprises a pulley ( 8 ), and the middle position of the pulley ( 8 ) is fixedly connected to the front end of the second threaded rod ( 5 ). 6 . ; The two pulleys (8) are respectively connected by belts (10). 6.根据权利要求1所述的电芯固定装置，其特征在于，所述电池固定装置包括固定板（14），固定板（14）下端和电池外壳（1）上端通过前后左右分别对称设置的四个螺栓（15）进行可拆卸连接。6 . The battery cell fixing device according to claim 1 , wherein the battery fixing device comprises a fixing plate ( 14 ), and the lower end of the fixing plate ( 14 ) and the upper end of the battery casing ( 1 ) are symmetrically arranged through front, rear, left, and right sides. 7 . Four bolts (15) for detachable connection. 7.根据权利要求4所述的电芯固定装置，其特征在于，两个所述第二移动板（4）前后相对一端分别固定连接有两个第一滑动销（16），两个第一滑动销（16）分别与第二隔板（7）前后两端滑动连接；两个所述第二移动板（4）向内一侧中间位置处分别固定连接有两个第二滑动销（17），两个第二滑动销（17）分别与第一隔板（2）一侧滑动连接。7 . The battery cell fixing device according to claim 4 , wherein two first sliding pins ( 16 ) are fixedly connected to the front and rear opposite ends of the two second moving plates ( 4 ), and the two first The sliding pins (16) are respectively slidably connected with the front and rear ends of the second partition plate (7); two second sliding pins (17) are respectively fixedly connected at the middle positions on the inward side of the two second moving plates (4). ), and the two second sliding pins (17) are respectively slidably connected to one side of the first partition plate (2). 8.一种锂离子电池，其特征在于，包括如权利要求1-7任一所述的电芯固定装置。8. A lithium-ion battery, characterized in that it comprises the battery cell fixing device according to any one of claims 1-7.
CN202011181646.6A 2020-10-29 2020-10-29 Lithium ion battery and battery cell fixing device thereof Pending CN112271365A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207818820U (en) * 2018-01-09 2018-09-04 惠州市凯业盛能源有限公司 A kind of lug fender bracket of soft bag lithium ionic cell
CN210325943U (en) * 2019-10-09 2020-04-14 深圳市安仕新能源科技有限公司 A lithium ion battery cell shelving isolation device
CN210349913U (en) * 2019-08-15 2020-04-17 苏州汉创检测技术服务有限公司 New energy battery detects positioner
CN210668481U (en) * 2019-11-08 2020-06-02 湖南科舰能源发展有限公司 Lithium ion storage battery
CN210926242U (en) * 2019-12-17 2020-07-03 吉林省德沃尔机电有限公司 Heating device for electric automobile lithium cell

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207818820U (en) * 2018-01-09 2018-09-04 惠州市凯业盛能源有限公司 A kind of lug fender bracket of soft bag lithium ionic cell
CN210349913U (en) * 2019-08-15 2020-04-17 苏州汉创检测技术服务有限公司 New energy battery detects positioner
CN210325943U (en) * 2019-10-09 2020-04-14 深圳市安仕新能源科技有限公司 A lithium ion battery cell shelving isolation device
CN210668481U (en) * 2019-11-08 2020-06-02 湖南科舰能源发展有限公司 Lithium ion storage battery
CN210926242U (en) * 2019-12-17 2020-07-03 吉林省德沃尔机电有限公司 Heating device for electric automobile lithium cell

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Application publication date: 20210126

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