CN215771300U

CN215771300U - High-safety disposable battery

Info

Publication number: CN215771300U
Application number: CN202121736559.2U
Authority: CN
Inventors: 徐彬
Original assignee: Dongguan Pengwei Energy Technology Co ltd
Current assignee: Dongguan Pengwei Energy Technology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-02-08
Anticipated expiration: 2031-07-28

Abstract

The utility model relates to the field of primary batteries, in particular to a high-safety primary battery which comprises a battery body, wherein the battery body comprises an outer shell layer, a ventilation layer, a liquid absorption layer, a first guide layer, a heat dissipation net layer and a second guide layer; the ventilation layer is arranged on the inner side of the outer shell layer; the liquid absorbing layer is arranged on one side, away from the outer shell layer, of the ventilating layer; the first guide layer is arranged on one side, away from the ventilation layer, of the liquid absorption layer; the heat dissipation net layer is arranged on one side, away from the liquid absorbing layer, of the first guide layer; the second guide layer is arranged on one side, away from the first guide layer, of the heat dissipation net layer. The utility model provides a high-safety disposable battery with long service life and strong heat conductivity.

Description

High-safety disposable battery

Technical Field

The utility model relates to the field of primary batteries, in particular to a high-safety primary battery.

Background

Primary batteries are generally referred to as dry cells. The primary cell is a voltaic cell, with some absorbent (such as wood chips or gelatin) to make the contents a paste that does not spill over. Is often used as a power supply for flashlight illumination, radio and the like. Through the development of a primary battery technology for many years, the problems of specific energy, cycle life, high and low temperature adaptability and the like are broken through.

When the primary battery is used for a long time, the heat in the battery is difficult to volatilize, and the longer the time, the higher the temperature is, the explosion danger is possible finally, so that the safety of the alkaline dry battery in the use process is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a high-safety disposable battery with long service life and strong heat conductivity.

The utility model adopts the following technical scheme:

a high-safety disposable battery comprises a battery body, wherein the battery body comprises an outer shell layer, a ventilation layer, a liquid absorption layer, a first guide layer, a heat dissipation net layer and a second guide layer; the ventilation layer is arranged on the inner side of the outer shell layer; the liquid absorbing layer is arranged on one side, away from the outer shell layer, of the ventilating layer; the first guide layer is arranged on one side, away from the ventilation layer, of the liquid absorption layer; the heat dissipation net layer is arranged on one side, away from the liquid absorbing layer, of the first guide layer; the second guide layer is arranged on one side, away from the first guide layer, of the heat dissipation net layer.

The technical scheme is further improved in that the outer shell layer is a heat-conducting plastic layer, and the top end of the outer shell layer is provided with a sealing ring.

The technical proposal is further improved in that the ventilation layer is a filter screen layer.

The technical proposal is further improved in that the liquid absorbing layer is a water absorbing resin layer.

The further improvement of the technical scheme is that the first guide layer is an insulating coating layer.

The technical proposal is further improved in that the heat dissipation net layer is a honeycomb-shaped breathable net layer.

The technical scheme is further improved in that the second guide layer is a heat-resistant polyester film layer.

The technical proposal is further improved in that the battery body is of a cylindrical battery structure.

The further improvement of the technical proposal is that the battery body also comprises an electrode bar arranged at the center inside the outer shell layer, an electrolyte layer arranged at the outer end of the electrode bar and a zinc barrel layer arranged at the outer side of the electrolyte layer.

The technical proposal is further improved in that two ends of the electrode bar are respectively provided with a positive electrode port and a negative electrode port.

The utility model has the beneficial effects that:

the battery heat dissipation device is provided with a ventilation layer, a liquid absorption layer, a first guide layer, a heat dissipation net layer and a second guide layer, heat generated in the battery is quickly guided to the heat dissipation net layer through the second guide layer, the heat dissipation net layer conducts diffusion heat dissipation on the transmitted heat, and then the residual heat is transmitted to the first guide layer and the ventilation layer for further heat dissipation; and the penetrated moisture and other liquids are absorbed by the liquid absorption layer, so that the waterproof heat dissipation structure has certain waterproof performance and quick heat dissipation performance, can perform multilayer quick heat dissipation and isolate external liquids, further prolongs the service life of the waterproof heat dissipation structure, and is high in safety.

Drawings

Fig. 1 is a schematic structural view of a high safety disposable battery according to the present invention;

fig. 2 is a partial sectional structural view of the high safety disposable battery of fig. 1;

fig. 3 is a partially enlarged view of circle a of the high safety primary battery of fig. 2.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, a high safety disposable battery includes a battery body 10, the battery body 10 including an outer case layer 20, a ventilation layer 30, a liquid absorbent layer 40, a first guide layer 50, a heat releasing mesh layer 60, and a second guide layer 70; the ventilation layer 30 is arranged on the inner side of the outer shell layer 20; the liquid absorbing layer 40 is arranged on the side, away from the outer shell layer 20, of the ventilating layer 30; the first guiding layer 50 is arranged on the side of the liquid absorbing layer 40 away from the ventilation layer 30; the heat dissipation mesh layer 60 is disposed on a side of the first guide layer 50 away from the liquid absorbent layer 40; the second guiding layer 70 is disposed on a side of the heat dissipation mesh layer 60 away from the first guiding layer 50.

The outer shell layer 20 is a heat-conducting plastic layer, and a sealing ring 21 is arranged at the top end of the outer shell layer 20. The shell layer 20 of the utility model is made of heat-conducting plastics, so that the heat dissipation effect of the utility model is effectively improved, and the practicability is strong.

The ventilation layer 30 is a filter screen layer. The cooling air can be effectively conveyed through the filter screen, the heat dissipation effect is good, and corrosive gas and dust can be effectively blocked.

The liquid absorbent layer 40 is a water absorbent resin layer. By the arrangement, liquid permeating into the shell can be better absorbed, and the corrosion to the lithium battery pack is avoided; meanwhile, the liquid medium after each layer is damaged can be adsorbed, and the service life of the lithium battery pack can be effectively prolonged.

The first guide layer 50 is an insulating paint layer. The battery has certain insulation performance and enhances the stability of the battery.

The heat dissipation mesh layer 60 is a honeycomb-shaped air permeable mesh layer. The heat dissipation net layer 60 of the honeycomb-shaped ventilation net can better guide cooling air into the ventilation net and also has a certain dustproof effect.

The second guide layer 70 is a heat-resistant polyester film layer. The arrangement ensures that the battery has certain heat resistance and enhances the stability of the battery.

The battery body 10 is a cylindrical battery structure; the battery body 10 further comprises an electrode rod 11 arranged in the center of the inner part of the outer shell layer 20, an electrolyte layer 12 arranged at the outer end of the electrode rod 11, and a zinc cylinder layer 13 arranged at the outer side of the electrolyte layer 12; and two ends of the electrode rod 11 are respectively provided with a positive electrode port and a negative electrode port.

The battery is provided with the ventilation layer 30, the liquid absorption layer 40, the first guide layer 50, the heat dissipation net layer 60 and the second guide layer 70, heat generated in the battery is quickly guided to the heat dissipation net layer 60 through the second guide layer 70, the heat dissipation net layer 60 conducts diffusion heat dissipation on the transmitted heat, and then the residual heat is transmitted to the first guide layer 50 and the ventilation layer 30 for further heat dissipation; and the liquid absorbing layer 40 absorbs the permeated water and other liquids, so that the waterproof heat-dissipating structure has certain waterproof performance and quick heat-dissipating performance, can perform multilayer quick heat dissipation and isolate external liquids, further prolongs the service life of the waterproof heat-dissipating structure, and is high in safety.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A high-safety disposable battery is characterized by comprising a battery body, wherein the battery body comprises an outer shell layer, a ventilation layer, a liquid absorption layer, a first guide layer, a heat dissipation net layer and a second guide layer; the ventilation layer is arranged on the inner side of the outer shell layer; the liquid absorbing layer is arranged on one side, away from the outer shell layer, of the ventilating layer; the first guide layer is arranged on one side, away from the ventilation layer, of the liquid absorption layer; the heat dissipation net layer is arranged on one side, away from the liquid absorbing layer, of the first guide layer; the second guide layer is arranged on one side, away from the first guide layer, of the heat dissipation net layer.

2. The high-safety disposable battery according to claim 1, wherein the casing layer is a heat conductive plastic layer, and a sealing ring is provided on the top end of the casing layer.

3. The high safety disposable battery according to claim 1, wherein the ventilation layer is a filter mesh layer.

4. The high-safety disposable battery according to claim 1, wherein the liquid absorbent layer is a water absorbent resin layer.

5. The high-safety disposable battery according to claim 1, wherein the first guide layer is an insulating paint layer.

6. The high-safety disposable battery according to claim 1, wherein the heat-dissipating mesh layer is a honeycomb-shaped air-permeable mesh layer.

7. The high-safety disposable battery of claim 1, wherein the second guide layer is a heat-resistant polyester film layer.

8. The high-safety disposable battery as set forth in claim 1, wherein the battery body is provided in a cylindrical battery structure.

9. The high-safety disposable battery according to claim 1, wherein the battery body further comprises an electrode rod disposed at the center inside the outer casing, an electrolyte layer disposed at the outer end of the electrode rod, and a zinc can layer disposed outside the electrolyte layer.

10. The high-safety disposable battery according to claim 9, wherein both ends of the electrode rod are respectively provided with a positive electrode port and a negative electrode port.