CN213878295U

CN213878295U - Automobile starting lithium battery heating device

Info

Publication number: CN213878295U
Application number: CN202023164828.0U
Authority: CN
Inventors: 肖长昭
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-08-03
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a car starts lithium cell heating device, including battery case, battery case's top is covered with the upper cover, first mounting hole, two have all been seted up at the both ends of upper cover top one side the inside difference fixed mounting of first mounting hole has positive electrode contact and negative electrode joint, the second mounting hole has been seted up at the middle part of upper cover top opposite side, the inside fixed mounting of second mounting hole has control switch, the middle part on upper cover top is rotated through the handle groove and is connected with the handle, the middle part fixed mounting of upper cover bottom has ptc constant temperature heat-generating body, the utility model relates to a car starts lithium cell heating device to make lithium cell group not receive external microthermal influence, have better performance like this, constant temperature system maintains safe temperature simultaneously, can not too high damage lithium cell group.

Description

Automobile starting lithium battery heating device

Technical Field

The utility model relates to a lithium battery equipment technical field specifically is an automobile starting lithium cell heating device.

Background

A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. 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. With the development of scientific technology, lithium batteries have become the mainstream.

Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries.

Along with the development of the automobile industry, the lithium battery is also widely applied to the field of automobile starting batteries, but in winter, the performance of the lithium battery is insufficient due to low outdoor temperature of the conventional lithium battery, so that the starting of an automobile is influenced, and the battery is easily damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile starting lithium cell heating device to current lithium cell that proposes in solving above-mentioned background art is when winter, because outdoor temperature is lower, leads to the lithium cell performance not enough, influences the start-up of car, also causes the problem of the damage of battery easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automobile starting lithium cell heating device, includes battery case, battery case's top is stamped the upper cover, first mounting hole, two have all been seted up at the both ends of upper cover top one side the inside difference fixed mounting of first mounting hole has positive terminal and negative terminal, the second mounting hole has been seted up at the middle part of upper cover top opposite side, the inside fixed mounting of second mounting hole has control switch, the middle part on upper cover top is rotated through the handle groove and is connected with the handle, the middle part fixed mounting of upper cover bottom has ptc constant temperature heat-generating body.

As an optimized technical scheme of the utility model, the equal fixedly connected with in both sides on battery case surface is spacing.

As an optimized technical scheme of the utility model, the middle part on upper cover top is rotated through the handle groove and is connected with the handle.

As an optimized technical scheme of the utility model, battery case's inner wall scribbles fire retardant coating.

As a preferred technical scheme of the utility model, battery case's inner chamber fixed mounting has the lithium cell group, just ptc constant temperature heat-generating body passes through control switch and lithium cell group electric connection.

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

through the matching of a battery shell, an upper cover, first mounting holes, an anode joint, a cathode joint, a second mounting hole, a control switch, a ptc constant-temperature heating element and a lithium battery pack, the lithium battery pack is mounted in the battery shell, the top end of the battery shell is covered with an upper cover, and a waterproof sealing gasket is sleeved at the joint of the battery shell and the upper cover, so that the sealing property of the battery shell is improved, the anode joint and the cathode joint are respectively mounted in the two first mounting holes formed in the upper cover, the lithium battery pack supplies power to other equipment through the anode joint and the cathode joint, meanwhile, the ptc constant-temperature heating element is mounted in the middle of the bottom end of the upper cover, the control switch is mounted at the top end of the upper cover, the control switch is turned on to control the work of the ptc constant-temperature heating element, the ptc constant-temperature heating element depends on the electric quantity of the lithium battery pack, a constant temperature is maintained in the battery shell, so that the lithium battery pack is not influenced by low temperature, therefore, the performance is better, and meanwhile, the constant temperature system maintains the safe temperature, so that the lithium battery pack cannot be damaged too high.

Drawings

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

fig. 2 is a cross-sectional view of a battery case of the present invention;

fig. 3 is a bottom view of the upper cover of the present invention.

In the figure: 1. a battery case; 2. an upper cover; 3. a limiting strip; 4. a positive electrode tab; 5. a negative terminal; 6. a handle; 7. a control switch; 8. a lithium battery pack; 9. a first mounting hole; 10. a second mounting hole; 11. ptc constant temperature heating element.

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.

Please refer to fig. 1-3, the utility model provides a car start lithium battery heating device, including battery case 1, battery case 1's top is covered with upper cover 2, first mounting hole 9 has all been seted up at the both ends of 2 top one sides of upper cover, the inside difference fixed mounting of two first mounting holes 9 has positive terminal 4 and negative terminal 5, second mounting hole 10 has been seted up at the middle part of 2 top opposite sides of upper cover, the inside fixed mounting of second mounting hole 10 has control switch 7, the middle part on 2 tops of upper cover is connected with handle 6 through the handle groove rotation, the middle part fixed mounting of 2 bottoms of upper cover has ptc constant temperature heat-generating body 11.

Preferably, both sides of the surface of the battery shell 1 are fixedly connected with limiting strips 3, and the limiting strips 3 are used for limiting the lithium battery during installation to ensure that the lithium battery is completely installed to a designated place;

preferably, the middle part of the top end of the upper cover 2 is rotatably connected with a handle 6 through a handle groove, the handle 6 facilitates the movement and installation of the lithium battery, meanwhile, the handle 6 adopts a rotating connection mode, and the handle 6 can be placed in the handle groove when being idle, so that the space is saved;

preferably, the inner wall of the battery shell 1 is coated with a flame retardant coating to retard the flame of the inner cavity of the battery shell 1 and prevent the combustion of the battery shell 1 from igniting the external environment;

preferably, the lithium battery pack 8 is fixedly mounted in the inner cavity of the battery shell 1, and the ptc constant-temperature heating element 11 is electrically connected with the lithium battery pack 8 through the control switch 7.

When in specific use, the utility model relates to a heating device for automobile starting lithium battery, a lithium battery pack 8 is arranged in a battery shell 1, an upper cover 2 is covered on the top end of the battery shell 1, a waterproof sealing gasket is sleeved at the joint of the battery shell 1 and the upper cover 2, so as to increase the sealing performance of the battery shell 1, two first mounting holes 9 arranged on the upper cover 2 are respectively provided with a positive electrode connector 4 and a negative electrode connector 5, the lithium battery pack 8 supplies power for other equipment through the positive electrode connector 4 and the negative electrode connector 5, meanwhile, a ptc constant temperature heating element 11 is arranged in the middle of the bottom end of the upper cover 2, a control switch 7 is arranged on the top end of the upper cover 2, the control switch 7 is opened, the control switch 7 controls the work of the ptc constant temperature heating element 11, the ptc constant temperature heating element 11 is close to the electric quantity of the lithium battery pack 8, a constant temperature is maintained in the battery shell 1, so as to prevent the lithium battery pack 8 from being influenced by the outside, this has better performance, and the constant temperature system maintains safe temperature simultaneously, can not damage lithium cell group 8 too high.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an automobile starting lithium cell heating device, includes battery case (1), its characterized in that: the battery case is characterized in that the top end of the battery case (1) is covered with an upper cover (2), first mounting holes (9) and two positive connectors (4) and negative connectors (5) are respectively and fixedly mounted in the inner parts of the first mounting holes (9) at one side of the top end of the upper cover (2), second mounting holes (10) are formed in the middle of the other side of the top end of the upper cover (2), a control switch (7) is fixedly mounted in the inner parts of the second mounting holes (10), a handle (6) is rotatably connected to the middle of the top end of the upper cover (2) through a handle groove, and a ptc constant-temperature heating body (11) is fixedly mounted in the middle of the bottom end of the upper cover (2).

2. The heating device for the lithium battery for starting the automobile as claimed in claim 1, wherein: both sides of the surface of the battery shell (1) are fixedly connected with limiting strips (3).

3. The heating device for the lithium battery for starting the automobile as claimed in claim 1, wherein: the inner wall of the battery shell (1) is coated with flame retardant coating.

4. The heating device for the lithium battery for starting the automobile as claimed in claim 1, wherein: and a waterproof sealing gasket is sleeved at the joint of the battery shell (1) and the upper cover (2).

5. The heating device for the lithium battery for starting the automobile as claimed in claim 1, wherein: the inner cavity of the battery shell (1) is fixedly provided with a lithium battery pack (8), and the ptc constant-temperature heating body (11) is electrically connected with the lithium battery pack (8) through a control switch (7).