阅读说明：本技术 一种锂电池电芯结构 (Lithium battery cell structure ) 是由 孙其勇 于 2019-08-15 设计创作，主要内容包括：本发明公开了一种锂电池电芯结构,包括电池外箱、箱盖和电池,所述电池放置在电池外箱的内部,所述电池外箱内部固定安装有隔板,所述隔板上开设有多个贯穿隔板的放置槽,所述放置槽的内部滑动安装有与隔板垂直的固定板,所述隔板的内部开设有与隔板平行的紧固槽,所述紧固槽内部滑动安装有紧固杆,所述紧固杆与固定板固定连接,且所述紧固杆的一端贯穿电池外箱并延伸到电池外箱的外侧,所述电池外箱的一端中部固定安装有用于调节紧固杆的U型架,固定板可以对电池起到固定的作用,而且紧固杆可以调节固定板对电池紧固的预紧力,可以防止电池的晃动,而且使用紧固螺栓调节,使得调节更加方便。(The invention discloses a lithium battery cell structure, which comprises a battery outer box, a box cover and a battery, wherein the battery is placed in the battery outer box, a partition plate is fixedly arranged in the battery outer box, a plurality of placing grooves penetrating through the partition plate are formed in the partition plate, a fixing plate vertical to the partition plate is slidably arranged in each placing groove, a fastening groove parallel to the partition plate is formed in each partition plate, a fastening rod is slidably arranged in each fastening groove and fixedly connected with the fixing plate, one end of each fastening rod penetrates through the battery outer box and extends to the outer side of the battery outer box, a U-shaped frame used for adjusting the fastening rod is fixedly arranged in the middle of one end of the battery outer box, the fixing plate can fix the battery, the fastening rod can adjust the pre-tightening force of the fixing plate on the battery, the battery can be prevented from shaking and can be adjusted by using a fastening bolt, so that the adjustment is more convenient.)

1. The utility model provides a lithium cell electricity core structure, includes battery outer container (1), case lid (2) and battery (6), place in the inside of battery outer container (1) battery (6), its characterized in that: the battery outer box is characterized in that a partition plate (11) is fixedly mounted inside the battery outer box (1), a plurality of placing grooves (10) penetrating through the partition plate (11) are formed in the partition plate (11), a fixing plate (9) perpendicular to the partition plate (11) is slidably mounted inside the placing grooves (10), fastening grooves (111) parallel to the partition plate (11) are formed in the partition plate (11), fastening rods (12) are slidably mounted inside the fastening grooves (111), the fastening rods (12) are fixedly connected with the fixing plate (9), one ends of the fastening rods (12) penetrate through the battery outer box (1) and extend to the outer side of the battery outer box (1), and a U-shaped frame (5) used for adjusting the fastening rods (12) is fixedly mounted in the middle of one end of the battery outer box (1).

2. The lithium battery cell structure of claim 1, wherein: the one end that anchorage bar (12) stretched out battery outer container (1) is seted up threadedly, fastening bolt (122) are installed in the fixed rotation in the screw thread outside, are located inside anchorage bar (12) the outside of U type frame (5) is installed spring (121), the one end and the anchorage bar (12) fixed connection of spring (121), the inside wall fixed connection of the other end and U type frame (5).

3. The lithium battery cell structure of claim 1, wherein: constant head tank (8) have been seted up to battery outer container (1) mutually perpendicular's lateral wall, constant head tank (8) are isosceles triangle, and the degree of depth of constant head tank (8) is less than the wall thickness of battery outer container (1), case lid (2) mutually perpendicular's lateral wall is provided with constant head tank assorted locating piece (3) with the body, battery outer container (1) four corners upper end fixed mounting has installation pole (4), set up on case lid (2) with installation pole (4) assorted mounting hole (41).

4. The lithium battery cell structure of claim 1, wherein: install polar plate (7) on battery (6), polar plate (7) include pole piece (71) and utmost point post (72), pole piece (71) fixed mounting is in the below of utmost point post (72), the top fixed mounting of utmost point post (72) has elastic sheet (73), be provided with recess (74) between elastic sheet (73), spherical groove (75) have been seted up to the upper end of utmost point post (72), the diameter of the face of cylinder that elastic sheet (73) inboard constitutes is four fifths of spherical groove (75) diameter.

5. The lithium battery cell structure of claim 4, wherein: the utility model discloses a novel energy-saving gas stove, including case lid (2), bottom fixed mounting of case lid (2) have with spherical groove (75) assorted spherical spliced pole (16), the upper end fixedly connected with of spherical spliced pole (16) leads electrical pillar (161), the fixed support column (13) that is provided with in the outside of leading electrical pillar (161), fixed slot (131) that are used for placing flexure strip (73) are offered to the bottom surface of support column (13), the edge of fixed slot (131) is provided with chamfer (132) and makes fixed slot (131) opening be tubaeform, lead the inside that electrical pillar (161) extend to case lid (2), and be located the inside one end fixed mounting of case lid (2) and have conducting strip (14), insulating layer (15) are installed in conductive pillar (161).

6. The lithium battery cell structure of claim 5, wherein: the conducting strips (14) correspond to the positions of the polar plates (7), and the conducting strip above the positive electrode of one battery (6) is connected with the negative conducting strip above the other battery (6) through a conducting strip (17).

7. The lithium battery cell structure of claim 1, wherein: the side wall of the battery outer box (1) is provided with a sliding chute (101) matched with the fixing plate (9), and the length of the sliding chute (101) is the same as that of the placing groove (10).

8. The lithium battery cell structure of claim 6, wherein: the conductive columns (16), the conductive sheets (14) and the conductive strips (17) are made of conductive metal materials or conductive graphite.

9. A lithium battery cell structure according to claim 5 or 6, characterized in that: the supporting columns (13) and the insulating layers (15) are made of insulating ceramics.

Technical Field

The invention relates to the technical field of lithium batteries, in particular to a battery core structure of a lithium battery.

Background

With the development of the automobile industry, electric automobiles are increasingly used, and lithium ion batteries are developed as main power batteries due to the capability of repeated charging and high energy density, therefore, lithium batteries are increasingly used in electric vehicles, a power supply system used in the vehicle is formed by connecting a plurality of lithium batteries in parallel to supply power to the vehicle, the lithium batteries for supplying power to the vehicle are called as battery modules or battery cores, when the battery core of the lithium battery is installed, the battery core cannot be fastened because the size of the installation groove of the installation plate for placing the battery is fixed, the battery core is easy to shake, the connection between the electric cores is usually manually connected through a lead, the connection position adopts bolts or welding, after long-term use, the bolt is easy to loosen or the welding part is easy to oxidize to cause the problem of heat generation of the contact point.

Disclosure of Invention

The invention aims to provide a lithium battery cell structure, which solves the problems that in the background technology, due to the fact that the size of a mounting groove of a mounting plate for placing a battery is fixed, the battery cell cannot be fastened, the battery cell is prone to shaking, connection between the battery cells is often manually connected through a wire, a connection position is connected through a bolt or welded, and after long-time use, the bolt is prone to loosening or the welding position is prone to oxidation, and therefore a contact point is prone to generate heat.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a lithium cell electricity core structure, includes battery outer container, case lid and battery, the battery is placed in the inside of battery outer container, the inside fixed mounting of battery outer container has the baffle, set up a plurality of standing grooves that run through the baffle on the baffle, the inside slidable mounting of standing groove has the fixed plate perpendicular with the baffle, the fastening groove parallel with the baffle is seted up to the inside of baffle, the inside slidable mounting of fastening groove has the anchorage bar, anchorage bar and fixed plate fixed connection, just the one end of anchorage bar runs through the battery outer container and extends to the outside of battery outer container, the one end middle part fixed mounting of battery outer container has the U type frame that is used for adjusting the anchorage bar.

Preferably, the one end that the anchorage bar stretches out the battery outer container is seted up threadedly, the fixed rotation in the screw thread outside is installed fastening bolt, is located the anchorage bar outside of U type frame inside is installed the spring, the one end and the anchorage bar fixed connection of spring, the other end and the inside wall fixed connection of U type frame.

Preferably, the locating slot has been seted up to battery outer container mutually perpendicular's lateral wall, the locating slot is isosceles triangle, and the degree of depth of locating slot is less than the wall thickness of battery outer container, case lid mutually perpendicular's lateral wall is provided with locating piece of locating slot assorted with the body, battery outer container four corners upper end fixed mounting has the installation pole, set up on the case lid with installation pole assorted mounting hole.

Preferably, install the polar plate on the battery, the polar plate includes pole piece and utmost point post, pole piece fixed mounting is in the below of utmost point post, the top fixed mounting of utmost point post has the flexure strip, be provided with the recess between the flexure strip, spherical groove has been seted up to the upper end of utmost point post, the diameter of the face of cylinder that the flexure strip inboard constitutes is four fifths of spherical groove diameter.

Preferably, the bottom fixed mounting of case lid has with spherical groove assorted spherical spliced pole, the upper end fixedly connected with of spherical spliced pole leads electrical pillar, the fixed support column that is provided with in the outside of leading electrical pillar, the fixed slot that is used for placing the flexure strip is offered to the bottom surface of support column, the edge of fixed slot is provided with the chamfer and makes the fixed slot opening be tubaeform, lead the inside that electrical pillar extends to the case lid, and be located the inside one end fixed mounting of case lid and have the conducting strip, it installs the insulating layer to lead electrical pillar and the conducting strip outside.

Preferably, the conducting strips correspond to the positions of the polar plates, and the conducting strip above the positive electrode of one battery is connected with the negative conducting strip above the other battery through a conducting strip.

Preferably, the side wall of the battery outer box is provided with a sliding chute matched with the fixing plate, and the length of the sliding chute is the same as that of the placing groove.

Preferably, the conductive posts, the conductive sheets and the conductive strips are made of conductive metal materials or conductive graphite.

Preferably, the support posts and the insulating layer are insulating ceramics.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the fixing plate can fix the battery, the fastening rod can adjust the pre-tightening force of the fixing plate for fastening the battery, the battery can be prevented from shaking, and the fastening bolt is used for adjustment, so that the adjustment is more convenient.

2. Pole piece and spherical spliced pole and conducting strip, the positive negative pole wiring of battery in the installation has been avoided, work efficiency is greatly improved, and flexure strip and fixed slot play fixed effect to the spherical spliced pole, can prevent rocking between pole piece and the spherical spliced pole and cause the insecure problem of connection, also can avoid the condition that the contact point that appears owing to the insecure connection generates heat, the connection piece constitutes a power supply system with adjacent battery, the in-process of installation has avoided the parallel connection line between the battery, the work load has been reduced, work efficiency is greatly improved.

Drawings

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

FIG. 2 is a schematic diagram of the outer case of the battery of the present invention;

FIG. 3 is a cross-sectional view of the outer case of the battery of the present invention;

FIG. 4 is a schematic diagram of a plate structure according to the present invention;

FIG. 5 is a cross-sectional view of a plate of the present invention;

FIG. 6 is a cross-sectional view of a ball joint column of the present invention;

FIG. 7 is a diagram of a conductive sheet according to the present invention.

In the figure: 1. a battery outer case; 2. a box cover; 3. positioning blocks; 4. mounting a rod; 41. mounting holes; 5. a U-shaped frame; 6. a battery; 7. a polar plate; 71. pole pieces; 72. a pole column; 73. an elastic sheet; 74. a groove; 75. a spherical groove; 8. positioning a groove; 9. a fixing plate 10 and a placing groove; 101. a chute; 11. a partition plate; 111. a fastening groove; 12. a fastening rod; 121. a spring; 122. fastening a bolt; 13. a support pillar; 131. fixing grooves; 14. a conductive sheet; 15. an insulating layer; 16. a spherical connecting column; 161. a conductive post; 17 conductive strips.

Detailed Description

The invention provides a lithium battery core structure, which aims to solve the problems that the battery core is easy to shake due to the fact that the size of a mounting groove for placing a battery of a mounting plate is fixed, the battery core cannot be fastened, the battery cores are often connected manually through a wire, a connection part is connected through a bolt or welded, and after long-time use, the bolt is easy to loosen or the welding part is easy to oxidize to cause heating of a contact point. The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.