CN211099125U

CN211099125U - Lithium ion battery heating device

Info

Publication number: CN211099125U
Application number: CN201921036800.3U
Authority: CN
Inventors: 谢松; 孙健; 陈现涛; 王海斌; 孙强; 贺元骅
Original assignee: Civil Aviation Flight University of China
Current assignee: Civil Aviation Flight University of China
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-07-28
Anticipated expiration: 2029-07-04

Abstract

The utility model discloses a lithium ion battery heating device, the on-line screen storage device comprises a base, the top fixedly connected with support of base, the outside activity of support has cup jointed smooth external member, one side welding of smooth external member has the dead lever, the one end welding of dead lever has the layer board, aluminum hull is installed at the top of layer board, aluminum hull's inboard is seted up flutedly, the inboard of recess is equipped with the heat insulation layer, the resistance wire is installed to one side of heat insulation layer, the one end electric connection of resistance wire has the power connection. The utility model discloses a be connected aluminum hull and support and layer board, make aluminum hull and base even as an organic whole, the installation of lithium ion battery in lithium ion battery thermal runaway experiment has improved experimental efficiency, has strengthened the convenience of experiment to it is more accurate to make experimental data, and it can stabilize and bear the battery, and the efficient heating is experimental again, and convenient to detach and low in production cost bring very big facility for scientific research personnel.

Description

Lithium ion battery heating device

Technical Field

The utility model relates to a lithium cell apparatus technical field specifically is a lithium ion battery heating device.

Background

The lithium battery is a primary battery using lithium metal or lithium alloy as a negative electrode material and using a non-aqueous electrolyte solution, unlike a lithium ion battery, which is a rechargeable battery, and a lithium ion polymer battery. The inventor of lithium batteries was edison. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. Therefore, lithium batteries have not been used for a long time. With the development of microelectronic technology at the end of the twentieth century, miniaturized devices are increasing, and high requirements are made on power supplies. The lithium battery has then entered a large-scale practical stage.

With the exposure of many safety problems in the application process of the lithium ion battery, the research on the thermal runaway characteristic of the lithium ion battery has become a current research hotspot. In many thermal runaway experiments of lithium ion batteries, there are many mechanisms for triggering thermal runaway of lithium ion batteries, such as internal short circuit, overcharge, and overdischarge. Among these, external thermal-triggered thermal runaway is the most direct and dangerous way to trigger thermal runaway of lithium ion batteries. Meanwhile, the method is also a necessary experimental link for researching the thermal safety and the thermal propagation characteristic of the lithium ion battery. But at present, the lithium ion battery thermal runaway heating device which is efficient and practical is not available. The homemade device that the laboratory adopted often has the steadiness poor, the size differs, the inconvenient scheduling problem of operation.

And prior art patent such as application No. 201811169534.1. The heating rod is installed on the bottom of the heat collection plate, and the heat collection plate is fixed through the support and protected through the side wall. Although the lithium ion battery can be heated rapidly, the patent mainly has the following problems: improper placement position of the heating ring can lead to uneven heating of the lithium ion battery, and the data obtained by the experiment can be influenced. Therefore, a lithium ion battery heating device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium ion battery heating device makes aluminum hull and base even as an organic whole, and the installation of lithium ion battery in lithium ion battery thermal runaway experiment has improved experimental efficiency, has strengthened the convenience of experiment, heats through the inboard resistance wire that sets up at aluminum hull to it is more accurate to make experimental data, and it can stabilize and bear the battery, and can the efficient heating again is experimental, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium ion battery heating device, includes the base, the top fixedly connected with support of base, the outside activity of support has cup jointed smooth external member, the welding of one side of smooth external member has the dead lever, the welding of one end of dead lever has the layer board, the aluminium shell is installed at the top of layer board, the inboard of aluminium shell is seted up flutedly, the inboard of recess is equipped with the heat insulation layer, the resistance wire is installed to one side of heat insulation layer, the one end electric connection of resistance wire has power connection.

Preferably, a mica soft board is bonded on the top of the supporting plate.

Preferably, a threaded hole is formed in one side of the sliding sleeve piece, and a butterfly screw is connected to the inner thread of the threaded hole in a threaded mode.

Preferably, a rubber pad stands at the bottom of the base, and anti-skid grains are arranged at the bottom of the rubber pad.

Preferably, an upper cover is sleeved outside the aluminum shell, and a convex block is fixedly connected to the top of the upper cover.

Preferably, the inner side of the upper cover is fixedly connected with a limiting block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a be connected aluminium shell with support and layer board, make aluminium shell and base even as an organic whole, convenient in the installation of lithium ion battery in the lithium ion battery thermal runaway experiment, improved experimental efficiency, strengthened the convenience of experiment, heat through setting up the resistance wire in the inboard of aluminium shell, and make the experimental data more accurate, it can stabilize the bearing battery, can heat the experiment with the efficient again, convenient to detach and low in production cost, bring very big facility for the scientific research personnel;

2. the utility model discloses aluminum hull convenient to detach changes, and it passes through sliding sleeve spare and connects in the outside of support, and the liftable is rotatory, makes the more nimble operation of experiment platform, has improved the convenience of this device.

Drawings

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

fig. 2 is a schematic view of the front view cross-sectional structure of the present invention;

fig. 3 is a schematic cross-sectional view of the aluminum housing of the present invention.

In the figure: the device comprises a base 1, a support 2, a sliding sleeve 3, a fixing rod 4, a supporting plate 5, an aluminum shell 6, a heat insulating layer 7, a resistance wire 8, a power supply connector 9, a groove 10, a mica soft plate 11, a threaded hole 12, a butterfly screw 13, a rubber pad 14, an upper cover 15, a convex block 16 and a limiting block 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a lithium ion battery heating device comprises a base 1, wherein a support 2 is fixedly connected to the top of the base 1, the cross section of the support 2 is of a circular structure, a sliding sleeve 3 is convenient to rotate, the sliding sleeve 3 is movably sleeved outside the support 2, the sliding sleeve 3 is made of an iron pipe, a fixing rod 4 is welded on one side of the sliding sleeve 3, a supporting plate 5 is welded at one end of the fixing rod 4, an aluminum shell 6 is installed on the top of the supporting plate 5, the aluminum shell 6 is circularly arranged and is convenient to heat uniformly, a groove 10 is formed in the inner side of the aluminum shell 6, a heat insulating layer 7 is arranged on the inner side of the groove 10, the heat insulating layer 7 is made of glass fiber and is specifically placed between a resistance wire 8 and the aluminum shell 6, the heat insulating layer has the function of heat insulation and safety, a resistance wire 8 is installed on one side of the heat insulating layer 7, the resistance wire, the resistance can be adjusted by voltage and current, and one end of the resistance wire 8 is electrically connected with a power supply connector 9.

Specifically, a mica soft board 11 is bonded on the top of the supporting plate 5. The mica soft board 11 has excellent high-temperature-resistant insulating property, and is beneficial to improving the insulating effect of the supporting plate 5.

Specifically, a threaded hole 12 is formed in one side of the sliding sleeve member 3, a butterfly screw 13 is connected to the inner thread of the threaded hole 12, and the butterfly screw 13 is screwed up to be beneficial to fixing the position of the sliding sleeve member 3 and fixing the height of the supporting plate 5.

Specifically, a rubber pad 14 stands at the bottom of the base 1, and anti-skid grains are arranged at the bottom of the rubber pad 14. The rubber pad 14 is beneficial to improving the friction force between the base 1 and the test bed and improving the overall stability.

Specifically, an upper cover 15 is sleeved outside the aluminum housing 6, and a protruding block 16 is fixedly connected to the top of the upper cover 15. In the test process, the upper cover 15 is covered outside the aluminum shell 6, so that the heating efficiency is improved, and the mica soft board 11 is bonded on the inner side of the upper cover 15, so that the heat insulation effect of the upper cover 15 is improved.

Specifically, the inner side of the upper cover 15 is fixedly connected with a limiting block 17. The stopper 17 is advantageous for restricting the position of the upper cover 15 covering the outside of the aluminum case 6.

The working principle is as follows: during the use, with aluminum hull 6, assemble between layer board 5 and the

base

1, 2 outsides at the support at base 1 top are overlapped to sliding sleeve spare 3, according to the in-service use needs, screw up butterfly screw 13 and fix the position of sliding sleeve spare 3, thereby the height of fixed layer board 5, then place lithium ion battery in aluminum hull 6's center department, cover upper cover 15 in aluminum hull 6's outside, heat for resistance wire 8 through power connection 9, heat for lithium ion battery, the experimental efficiency is improved, the convenience of experiment has been strengthened.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lithium ion battery heating device comprises a base (1), and is characterized in that: the utility model discloses a motor support, including base (1), top fixedly connected with support (2), the outside activity of support (2) has cup jointed smooth external member (3), one side welding of smooth external member (3) has dead lever (4), the one end welding of dead lever (4) has layer board (5), aluminium shell (6) are installed at the top of layer board (5), the inboard of aluminium shell (6) is seted up flutedly (10), the inboard of recess (10) is equipped with heat insulation layer (7), resistance wire (8) are installed to one side of heat insulation layer (7), the one end electric connection of resistance wire (8) has power connection (9).

2. The lithium ion battery heating apparatus of claim 1, wherein: the top of the supporting plate (5) is bonded with a mica soft plate (11).

3. The lithium ion battery heating apparatus of claim 1, wherein: one side of the sliding sleeve piece (3) is provided with a threaded hole (12), and the inner thread of the threaded hole (12) is connected with a butterfly screw (13).

4. The lithium ion battery heating apparatus of claim 1, wherein: a rubber pad (14) stands at the bottom of the base (1), and anti-skid grains are arranged at the bottom of the rubber pad (14).

5. The lithium ion battery heating apparatus of claim 1, wherein: an upper cover (15) is sleeved outside the aluminum shell (6), and a convex block (16) is fixedly connected to the top of the upper cover (15).

6. The lithium ion battery heating apparatus according to claim 5, wherein: the inner side of the upper cover (15) is fixedly connected with a limiting block (17).