Lithium ion battery for new energy automobile

Abstract

The lithium ion battery for the new energy automobile comprises a box body, two heat conduction plates are symmetrically and fixedly installed at the inner bottom of the box body, a lithium ion battery body is installed between the two heat conduction plates, a plurality of cooling fins are fixedly installed on one sides of the surfaces of the two heat conduction plates, and the cooling fins are fixedly installed on the other sides of the surfaces of the two heat conduction plates. Two mounting ports are formed in one side of the surface of the box body, a connecting frame is fixedly connected to the interiors of the two mounting ports, and a cooling fan is fixedly mounted on the surface of the connecting frame. By arranging the moving block, the screw rod, the abutting block, the moving sleeve and other structures, the moving sleeve is used for driving the moving block to move, the abutting block can clamp a lithium ion battery on one side, the situation that a battery body displaces when an automobile runs on a bumpy road section is avoided, potential safety hazards caused by collision of the lithium ion battery are prevented, and the service life of the lithium ion battery is prolonged. The service life of the lithium ion battery is prolonged, and the practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium ion batteries, in particular to a lithium ion battery for new energy vehicles. Background Art

[0002] Lithium-ion batteries are chemical batteries that use lithium as the negative electrode active material. Lithium has the most negative standard electrode potential, the lightest specific gravity among metals, and the highest reactivity. Therefore, lithium batteries have high electromotive force and specific energy, and are an important high-energy battery. The positive electrode active materials of lithium batteries include inorganic electrode materials such as oxides, sulfides, halides, halogens, and oxygen-containing acid salts.

[0003] The existing lithium-ion battery is installed inside the battery box and clamped by a limit spring. When the car encounters a bumpy road during driving, the battery body is easily displaced with the limit spring. If it accidentally contacts the electric heater, there is a safety hazard such as explosion. At the same time, the lithium-ion motor inside the battery box cannot dissipate heat, which will cause the lithium-ion battery to have a high temperature and affect the service life of the lithium-ion battery. In order to solve this problem, a lithium-ion battery for new energy vehicles is proposed. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the lithium-ion battery is installed inside the battery box and clamped by a limit spring. When the car encounters a bumpy road during driving, the battery body is easily displaced along with the limit spring. If it accidentally contacts the electric heater, there is a safety hazard such as explosion. At the same time, the lithium-ion motor inside the battery box cannot perform heat dissipation, which will cause the temperature of the lithium-ion battery to be high, affecting the service life of the lithium-ion battery.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a lithium-ion battery for new energy vehicles, including a box body, two heat-conducting plates are symmetrically fixedly installed on the inner bottom of the box body, a lithium-ion battery body is installed between the two heat-conducting plates, a plurality of heat sinks are fixedly installed on one side of the surface of the two heat-conducting plates, two installation openings are opened on one side of the surface of the box body, a connecting frame is fixedly connected to the inside of the two installation openings, a cooling fan is fixedly installed on the surface of the connecting frame, and a connecting column is fixedly connected to the inner bottom of the box body close to the lithium-ion battery body;

[0006] The top of the connecting column is fixedly connected with a screw rod, the outer sleeve of the screw rod is installed with a moving block, the top of the moving block is rotatably connected with a moving sleeve, the moving sleeve is sleeved and installed on the outside of the screw rod, a tightening block is arranged on one side of the moving block, and a strip opening is opened on the surface of the box body close to multiple heat sinks.

[0007] Preferably, the inner side wall of the moving block is fixedly connected to two slide bars, and the outer surface of the screw rod is provided with two slide grooves. The outer surfaces of the two slide bars are slidably installed to the inner side walls of the two slide grooves. The moving sleeve and the screw rod are threadedly connected, which makes it convenient to push the moving block to move under the drive of the moving sleeve, which is very convenient.

[0008] Preferably, dustproof nets are fixedly installed inside the installation opening and the strip opening, and the dustproof nets have a dust-proof function during the heat dissipation process.

[0009] Preferably, an opening is provided on the top of the box body, a cover plate is installed on the surface of the box body close to the opening, a plurality of screws are installed on the surface of the cover plate, a plurality of connecting holes are provided on the top of the box body, a plurality of the screws are installed inside the plurality of connecting holes, and the screws are installed inside the connecting holes, so as to facilitate the rapid assembly of the cover plate and the box body.

[0010] Preferably, one end of the abutting block is close to one side of the lithium-ion battery body.

[0011] Preferably, a connecting rod is installed through the interior of the moving block, a groove is provided on the surface of the clamping block, and both ends of the connecting rod are rotatably connected to the inner wall of the groove, so that the clamping block can be rotated to fix the lithium-ion battery body on one side.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The utility model is provided with structures such as a moving block, a screw, a clamping block and a moving sleeve, and uses the moving sleeve to drive the moving block to move, so that the clamping block can clamp the lithium-ion battery on one side, thereby avoiding displacement of the battery body when the car encounters a bumpy road section during driving, preventing safety hazards caused by collision of the lithium-ion battery, and prolonging the service life of the lithium-ion battery, and being more practical.

[0014] 2. The utility model provides a heat conducting plate, a heat sink, an opening, a strip opening and a heat dissipation fan, and utilizes the heat conducting plate and the heat sink to transfer heat, so that air circulation is carried out in cooperation with the opening and the strip opening under the action of the heat dissipation fan, and the heat generated by the lithium-ion battery can be dissipated, which is beneficial to prolonging the service life of the lithium-ion battery and is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional diagram of a lithium-ion battery for new energy vehicles of the utility model;

[0016] Figure 2 This is a top sectional view of a lithium-ion battery for new energy vehicles of the utility model;

[0017] Figure 3This is an exploded diagram of a lithium-ion battery for new energy vehicles of the utility model;

[0018] Figure 4 For this utility model Figure 3 A is an enlarged view of the middle image.

[0019] In the figure: 1. box body; 2. strip opening; 3. moving block; 4. screw; 5. installation opening; 6. connecting frame; 7. moving sleeve; 8. heat conducting plate; 9. lithium-ion battery body; 10. cooling fan; 11. connecting column; 12. connecting rod; 13. tightening block; 14. heat sink; 15. dust net; 16. cover plate; 17. screw; 18. connecting hole. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0021] See also Figure 1 - Figure 4 A lithium-ion battery for a new energy vehicle comprises a box body 1, two heat-conducting plates 8 are symmetrically fixedly installed on the inner bottom of the box body 1, a lithium-ion battery body 9 is installed between the two heat-conducting plates 8, a plurality of heat sinks 14 are fixedly installed on one side of the surface of the two heat-conducting plates 8, and the heat generated by the lithium-ion battery body 9 can be conducted to facilitate heat dissipation treatment, two mounting ports 5 are provided on one side of the surface of the box body 1, a connecting frame 6 is fixedly connected to the inside of the two mounting ports 5, a cooling fan 10 is fixedly installed on the surface of the connecting frame 6, and the heat inside the box body 1 is conveniently discharged by the operation of the cooling fan 10, and a connecting column 11 is fixedly connected to the inner bottom of the box body 1 near the lithium-ion battery body 9;

[0022] The top of the connecting column 11 is fixedly connected to a screw rod 4, and a moving block 3 is installed on the outer sleeve of the screw rod 4. The top of the moving block 3 is rotatably connected to a moving sleeve 7, and the moving sleeve 7 is sleeved and installed on the outside of the screw rod 4. A tightening block 13 is provided on one side of the moving block 3. The moving sleeve 7 is used to rotate on the outside of the screw rod 4, so as to conveniently drive the moving block 3 to move, so that the tightening block 13 can be rotated to tighten and fix the lithium-ion battery body 9 to avoid shaking. A strip opening 2 is provided on the surface of the box body 1 near the multiple heat sinks 14, and an opening is provided on the top of the box body 1. A cover plate 16 is installed on the surface of the box body 1 near the opening, and multiple screws 17 are installed on the surface of the cover plate 16. A plurality of connecting holes 18 are provided on the top of the box body 1, and a plurality of screws 17 are installed inside the plurality of connecting holes 18. The screws 17 are installed inside the connecting holes 18 to facilitate the quick assembly of the cover plate 16 and the box body 1.

[0023] like Figure 1 - Figure 3 As shown, the inner wall of the movable block 3 is fixedly connected with two slide bars, and two slide grooves are provided on the outer surface of the screw 4. The outer surfaces of the two slide bars are slidably installed to the inner walls of the two slide grooves. The movable sleeve 7 and the screw 4 are threadedly connected, which is convenient for pushing the movable block 3 to move under the drive of the movable sleeve 7, which is very convenient. The inside of the installation port 5 and the strip port 2 are fixedly installed with a dustproof net 15. The dustproof net 15 has a dust-proof function during the heat dissipation process. One end of the clamping block 13 is close to one side of the lithium-ion battery body 9. A connecting rod 12 is installed through the inside of the movable block 3. A groove is provided on the surface of the clamping block 13. The two ends of the connecting rod 12 are rotatably connected to the inner wall of the groove, which is convenient for the clamping block 13 to rotate and fix the lithium-ion battery body 9 on one side.

[0024] When the utility model is in use, firstly, the lithium-ion battery body 9 can be installed at the inner bottom of the box body 1 and be between the two heat-conducting plates 8. When the lithium-ion battery body 9 is fixed, the movable sleeve 7 is rotated, and the movable sleeve 7 is rotated on the screw 4, so as to facilitate the movement of the movable block 3, and at the same time, the abutting block 13 can be driven to rotate on the connecting rod 12, so that the abutting block 13 and the lithium-ion battery body 9 are abutted, so that the lithium-ion battery body 9 is fixedly installed. The cover plate 16 above the box body 1 is installed with the screw 17 and the connecting hole 18. When the lithium-ion battery body 9 is cooled, the cooling fan 10 is turned on to cooperate with the installation port 5 and the strip port 2 for air circulation, so as to facilitate the discharge of the heat derived from the heat-conducting plate 8 and the heat sink 14, so as to achieve the effect of cooling the lithium-ion battery body 9, which is beneficial to prolonging the service life of the lithium-ion battery body 9 and has stronger practicality.

[0025] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A lithium-ion battery for new energy vehicles, comprising a box (1), characterized in that: Two heat conducting plates (8) are symmetrically fixedly mounted on the inner bottom of the box (1), a lithium ion battery body (9) is mounted between the two heat conducting plates (8), a plurality of heat sinks (14) are fixedly mounted on one side of the surface of the two heat conducting plates (8), two mounting openings (5) are provided on one side of the surface of the box (1), a connecting frame (6) is fixedly connected inside the two mounting openings (5), a cooling fan (10) is fixedly mounted on the surface of the connecting frame (6), and a connecting column (11) is fixedly connected to the inner bottom of the box (1) near the lithium ion battery body (9); The top of the connecting column (11) is fixedly connected to a screw rod (4), the outer sleeve of the screw rod (4) is sleeved with a moving block (3), the top of the moving block (3) is rotatably connected to a moving sleeve (7), the moving sleeve (7) is sleeved and installed on the outside of the screw rod (4), a tightening block (13) is arranged on one side of the moving block (3), and a strip-shaped opening (2) is opened on the surface of the box body (1) close to the plurality of heat sinks (14).

2. A lithium-ion battery for new energy vehicles according to claim 1, characterized in that: The inner side wall of the moving block (3) is fixedly connected with two slide bars, the outer surface of the screw rod (4) is provided with two slide grooves, the outer surfaces of the two slide bars are slidably mounted to the inner side walls of the two slide grooves, and the moving sleeve (7) and the screw rod (4) are threadedly connected.

3. A lithium-ion battery for new energy vehicles according to claim 1, characterized in that: Dust-proof nets (15) are fixedly installed inside the installation opening (5) and the strip opening (2).

4. A lithium-ion battery for new energy vehicles according to claim 1, characterized in that: The top of the box body (1) is provided with an opening, a cover plate (16) is installed on the surface of the box body (1) close to the opening, a plurality of screws (17) are installed on the surface of the cover plate (16), a plurality of connection holes (18) are opened on the top of the box body (1), and a plurality of the screws (17) are installed inside the plurality of connection holes (18).

5. A lithium-ion battery for new energy vehicles according to claim 1, characterized in that: One end of the abutting block (13) is close to one side of the lithium-ion battery body (9).

6. A lithium-ion battery for new energy vehicles according to claim 1, characterized in that: A connecting rod (12) is installed through the interior of the moving block (3), a groove is provided on the surface of the abutting block (13), and two ends of the connecting rod (12) are rotatably connected to the inner side wall of the groove.

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