CN210516758U

CN210516758U - Explosion-proof mobile phone battery

Info

Publication number: CN210516758U
Application number: CN201921765538.6U
Authority: CN
Inventors: 马开营; 陈署; 梅金富; 甘小稳
Original assignee: Dongguan Xindian Energy Co ltd
Current assignee: Dongguan Xindian Energy Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-05-12
Anticipated expiration: 2029-10-21

Abstract

The utility model discloses an explosion-proof mobile phone battery, which comprises a battery body and an explosion-proof protective sleeve coated outside the battery body; the explosion-proof protective sleeve is connected to the battery body through a press seal; the explosion-proof protective sleeve sequentially comprises an insulating layer, an aluminum oxide protective layer and an explosion-proof diaphragm from outside to inside, wherein two sides of the aluminum oxide protective layer are respectively attached to the insulating layer and the explosion-proof diaphragm; the battery body comprises a middle clapboard, and a positive pole layer and a negative pole layer which are respectively arranged on two opposite sides of the middle clapboard, wherein temperature resistant layers are respectively arranged on the other sides of the positive pole layer and the negative pole layer, a PE waterproof layer is attached to the outer sides of the temperature resistant layers, and the middle clapboard is an explosion-proof plate; therefore, through the arrangement of the explosion-proof diaphragm and the explosion-proof plate, the explosion damage generated by the battery can be reduced when the battery explodes, so that the potential safety hazard is effectively reduced; the temperature-resistant layer is arranged to enable the heat-resistant layer to have temperature-resistant characteristics; the PE waterproof layer is provided with waterproof property.

Description

Explosion-proof mobile phone battery

Technical Field

The utility model belongs to the technical field of the mobile phone battery technique and specifically relates to indicate an explosion-proof type mobile phone battery.

Background

The mobile phone battery is an energy storage tool for providing electric power for the mobile phone, the mobile phone battery is usually a lithium battery and a nickel-metal hydride battery, when the mobile phone is used or charged, the temperature of the battery in the mobile phone can be increased, people often use the mobile phone while charging the mobile phone, so that the temperature of the mobile phone battery can be rapidly increased, the potential safety hazard of short circuit or even explosion of the mobile phone battery exists, the user is endangered, and the mobile phone battery cannot obtain higher safety guarantee when in use.

Therefore, a new technology needs to be developed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides an explosion-proof mobile phone battery, which can reduce the explosion damage of the battery when the battery explodes, thereby effectively reducing the potential safety hazard, and having temperature resistance and waterproof characteristics.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an explosion-proof mobile phone battery comprises a battery body and an explosion-proof protective sleeve coated outside the battery body; the explosion-proof protective sleeve is connected to the battery body through a press seal;

the explosion-proof protective sleeve sequentially comprises an insulating layer, an aluminum oxide protective layer and an explosion-proof diaphragm from outside to inside, wherein two sides of the aluminum oxide protective layer are respectively attached to the insulating layer and the explosion-proof diaphragm;

the battery body comprises a middle clapboard, and a positive pole layer and a negative pole layer which are respectively arranged on two opposite sides of the middle clapboard, wherein temperature-resistant layers are respectively arranged on the other sides of the positive pole layer and the negative pole layer, a PE waterproof layer is attached to the outer sides of the temperature-resistant layers, and the middle clapboard is an explosion-proof plate.

Preferably, the insulating layer is made of carbon dioxide-based biodegradable plastic.

Preferably, the temperature-resistant layer is made of alumina silicate refractory fibers.

Preferably, the PE waterproof layer is made of PE waterproof foam cotton rubber.

Preferably, the explosion-proof plate is a glass fiber plate, a PC plate, a PMMA plate or a composite plate.

As a preferable scheme, an anti-static film is pressed on one side of the anti-explosion diaphragm at a high temperature.

As a preferred scheme, the PET film layer is attached to the outer side of the PE waterproof layer, and the high-transmittance protective layer is attached to the outer side of the PET film layer.

Preferably, the high-transmittance protective layer is a glass plate, a PMMA plate, a PC plate or a composite plate.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely speaking, according to the technical scheme, the explosion damage generated by the battery can be reduced when the battery explodes, and the potential safety hazard can be effectively reduced; the temperature-resistant layer is arranged to enable the heat-resistant layer to have temperature-resistant characteristics; through the setting of PE waterproof layer, make it possess waterproof characteristic to promote its wholeness ability.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic diagram of the general structure of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a battery body according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of an explosion-proof protective sheath according to an embodiment of the present invention.

The attached drawings indicate the following:

10. battery body 11, intermediate separator

12. Positive electrode layer 13 and negative electrode layer

14. Temperature resistant layer 15, PE waterproof layer

16. PET film layer 17 and high-transmittance protective layer

20. Explosion-proof protective sleeve 21 and insulating layer

22. Alumina protective layer 23, explosion-proof diaphragm

24. An antistatic film.

Detailed Description

Please refer to fig. 1 to 4, which show the specific structure of the embodiment of the present invention; it includes a battery body 10 and an explosion-proof protection cover 20 coated outside the battery body 10; the explosion-proof protection case 20 is connected to the battery body 10 by press sealing.

Specifically, the explosion-proof protective sleeve 20 sequentially comprises an insulating layer 21, an aluminum oxide protective layer 22 and an explosion-proof diaphragm 23 from outside to inside, wherein two sides of the aluminum oxide protective layer 22 are respectively attached to the insulating layer 21 and the explosion-proof diaphragm 23, and the aluminum oxide protective layer 22 has good anti-conductivity and special metal strength and has a good protective effect on the battery; the battery body 10 comprises a middle partition plate 11, and a positive electrode layer 12 and a negative electrode layer 13 which are respectively arranged on two opposite sides of the middle partition plate 11, wherein temperature-resistant layers 14 are respectively arranged on the other sides of the positive electrode layer 12 and the negative electrode layer 13, a PE waterproof layer 15 is attached to the outer sides of the temperature-resistant layers 14, and the middle partition plate 11 is an explosion-proof plate. Therefore, through the arrangement of the explosion-proof diaphragm 23 and the explosion-proof plate, the explosion damage of the battery can be reduced when the battery explodes, and the potential safety hazard is effectively reduced.

Preferably, in this embodiment, the insulating layer 21 is made of carbon dioxide-based biodegradable plastic, so that the insulating layer 21 has good degradability while ensuring the insulating effect, thereby increasing the environmental protection characteristic of the product.

Preferably, in this embodiment, the temperature-resistant layer 14 is made of alumina silicate refractory fiber, and the alumina silicate refractory fiber has the characteristics of no asbestos, long fiber, flexible texture, good flatness, and excellent machinability, is used for heat insulation, heat preservation, sealing, electrical insulation and the like at high temperature, can replace asbestos products, is a high-grade ultrathin high-temperature-resistant material, and the temperature-resistant layer 14 made of alumina silicate refractory fiber has better high-temperature resistance.

Preferably, in this embodiment, the PE waterproof layer 15 is made of PE waterproof foam adhesive, and the PE waterproof foam adhesive has characteristics of high and low temperature resistance, moisture resistance, strong viscosity, and the like, and can improve the overall performance of the PE waterproof layer 15, and in addition, the thickness of the PE waterproof layer 15 may be 0.1MM to 0.18MM, and the PE waterproof layer 15 having a thickness of 0.15MM is preferably adopted, but of course, other thicknesses are also possible.

Preferably, in this embodiment, the explosion-proof plate is a glass fiber plate, a PC plate, a PMMA plate, or a composite plate, which can be selected according to actual requirements, and certainly, is not limited to the above-mentioned plate, and only needs to satisfy the explosion-proof performance of the explosion-proof plate, and thus, the details are not repeated herein.

Preferably, in this embodiment, the anti-static film 24 is pressed on one side of the anti-explosion diaphragm 23 at a high temperature, and by the arrangement of the anti-static film 24, the static effect on the peripheral surface of the battery can be reduced, and the phenomenon that the normal use of the battery is affected by a large amount of static electricity generated by the battery is avoided.

A PET film layer 16 is attached to the outer side of the PE waterproof layer 15, and a high-transmittance protective layer 17 is attached to the outer side of the PET film layer 16; preferably, in this embodiment, the PET film layer 16 may be colored by electroplating, spraying, UV transfer printing, and the like, and is attached to the high-transmittance protective layer 17 by gluing, so as to ensure color reduction and stereoscopic impression of color, and the thickness of the PET film layer 16 may be 0.1MM to 0.2MM, preferably 0.15 MM; preferably, in this embodiment, the high-transmittance protective layer 17 is a glass plate, a PMMA plate, a PC plate, or a composite plate, which can be selected according to actual requirements, and certainly, is not limited to the above-mentioned plate, and only needs to satisfy the performance of the high-transmittance protective layer 17, which is not described herein.

And, the chip that is used for responding to the inside temperature of battery body 10 is inlayed selectively in battery body 10's surface, the chip is detachable to be inlayed and to be located the surface of high protective layer 17 that passes through, the chip is in the coplanar with battery body 10's surface, be provided with the electromagnetic shaker in the chip, through the setting of electromagnetic shaker, in time through the vibrations of electromagnetic shaker in order to indicate the user when can making battery body 10 inside high temperature to effectively reduce the emergence of potential safety hazard.

In summary, the design of the utility model is mainly characterized in that the explosion-proof diaphragm and the explosion-proof plate are arranged, so that the explosion damage generated by the battery can be reduced when the battery explodes, thereby effectively reducing the occurrence of potential safety hazards; the temperature-resistant layer is arranged to enable the heat-resistant layer to have temperature-resistant characteristics; through the setting of PE waterproof layer, make it possess waterproof characteristic to promote its wholeness ability.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. An explosion-proof type mobile phone battery which characterized in that: comprises a battery body and an explosion-proof protective sleeve coated outside the battery body; the explosion-proof protective sleeve is connected to the battery body through a press seal;

2. The explosion-proof mobile phone battery of claim 1, wherein: the insulating layer is made of carbon dioxide-based biodegradable plastic.

3. The explosion-proof mobile phone battery of claim 1, wherein: the temperature resistant layer is made of aluminum silicate refractory fibers.

4. The explosion-proof mobile phone battery of claim 1, wherein: the PE waterproof layer is made of PE waterproof foam cotton rubber.

5. The explosion-proof mobile phone battery of claim 1, wherein: the explosion-proof plate is a glass fiber plate, a PC plate, a PMMA plate or a composite plate.

6. The explosion-proof mobile phone battery of claim 1, wherein: and an anti-static film is pressed on one side of the anti-explosion diaphragm at a high temperature.

7. The explosion-proof mobile phone battery of claim 1, wherein: the outside laminating of PE waterproof layer has the PET thin layer, the outside laminating of PET thin layer has high protective layer that passes through.

8. The explosion-proof mobile phone battery of claim 7, wherein: the high-transmittance protective layer is a glass plate, a PMMA plate, a PC plate or a composite plate.