CN112751051A

CN112751051A - Explosion-proof alarm battery based on carbon-carbon composite shell

Info

Publication number: CN112751051A
Application number: CN201911045346.2A
Authority: CN
Inventors: 黄湛明; 陈敬业
Original assignee: Hunan Zhongde New Material Technology Co ltd
Current assignee: Hunan Zhongde New Material Technology Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2021-05-04

Abstract

The invention discloses an explosion-proof alarm battery based on a carbon-carbon composite shell, which comprises a zinc cylinder, electrolyte, a sealing sheet, a carbon rod, a piston and an alarm mechanism, wherein the piston is sleeved on the lower section of the carbon rod, the outer wall of the piston is attached to the inner wall of the zinc cylinder, the zinc cylinder is divided into an alarm cavity and a reaction cavity by the piston, the electrolyte is arranged in the reaction cavity, and the lower end of the carbon rod keeps a certain distance with the zinc cylinder; the alarm mechanism comprises a fixed hole arranged at the inner bottom of the zinc cylinder, a luminous body arranged in the fixed hole, an electrode plate arranged on the piston and positioned below the carbon rod, and a conductive spring connecting the electrode plate and the bottom of the carbon rod, wherein one electrode of the luminous body is connected with the zinc cylinder, and the other electrode is upwards arranged and used for being connected with the electrode plate. The invention solves the problem that a user cannot visually check whether the dry battery is damaged.

Description

Explosion-proof alarm battery based on carbon-carbon composite shell

Technical Field

The invention belongs to the field of batteries, and particularly relates to an explosion-proof alarm battery based on a carbon-carbon composite shell.

Background

The dry cell is a chemical cell which uses pasty electrolyte to generate direct current, not only widely used in electric torch, semiconductor radio, camera, toy, etc., but also in various fields of national economy such as national defense, telecommunication, scientific research, navigation and medicine, etc. In the use of battery, be equipped with the air chamber between sealing washer and the electrolyte for buffer pressure and the gas that the battery produced of keeping in, avoid the battery to warp even explode, but the temperature of battery is too high or overdischarge can produce a large amount of gases in the battery is inside, leads to interior pressure increase, makes the battery warp even explode, therefore the inside explosion-proof structure explosion-proof equipment that sets up of battery is vital.

At present more commonly used dry battery explosion-proof structure sets up weaker rupture membrane on the seal ring, can split in order to emit unnecessary gas when pressure is too big, but this kind of structure is mostly disposable structure, and the rupture membrane fracture caused the leakage of solution in the battery easily after battery inside atmospheric pressure is emitted, and the user also can't visual inspection out the dry battery in addition and whether damage.

Disclosure of Invention

Based on this, it is necessary to provide an explosion-proof alarm battery based on a carbon-carbon composite shell, aiming at the problem that in the prior art, a user cannot visually check whether a dry battery is damaged.

The invention provides an explosion-proof alarm battery based on a carbon-carbon composite shell, which comprises a zinc cylinder, electrolyte, a sealing sheet, a carbon rod, a positive electrode cap and a shell, and further comprises:

a piston; the electrolyte is arranged in the reaction cavity, and the lower end of the carbon rod keeps a certain distance with the zinc cylinder;

the alarm mechanism comprises a fixed hole arranged at the inner bottom of the zinc cylinder, a luminous body arranged in the fixed hole, an electrode plate arranged on the piston and positioned below the carbon rod, and a conductive spring connected with the electrode plate and the bottom of the carbon rod, wherein one electrode of the luminous body is connected with the zinc cylinder, and the other electrode of the luminous body is upwards arranged and used for being connected with the electrode plate.

Preferably, the alarm mechanism further comprises a support frame arranged on the lower surface of the piston, and the electrode plate is fixedly arranged at the lower end of the support frame.

Preferably, the bottom of the carbon rod is provided with a mounting hole, the conductive spring is arranged in the mounting hole, and the lower end of the conductive spring is connected with the electrode plate.

Preferably, the explosion-proof alarm battery based on the carbon-carbon composite shell further comprises an air hole formed in the inner bottom of the zinc cylinder and a supporting spring connected with the piston and the inner bottom of the zinc cylinder.

Preferably, the explosion-proof alarm battery based on the carbon-carbon composite shell further comprises a circuit board arranged at the inner bottom of the zinc cylinder, the luminous body is arranged on the circuit board, the luminous body is arranged on the lower surface of the circuit board, and the other electrode of the luminous body is arranged on the upper surface of the circuit board and corresponds to the electrode plate.

Preferably, the bottom of the zinc can is recessed inwards to form a cavity, the fixing hole is arranged in the cavity, and the outward end of the luminous body does not exceed the cavity.

The invention divides the zinc cylinder into a reaction cavity and an alarm cavity which are not communicated with each other by arranging a piston in the zinc cylinder, and arranges an electrolyte in the reaction cavity, after gas is generated in the reaction cavity, the pressure is increased to push the piston to slide along a carbon rod, the piston drives a conducting strip which is arranged in the alarm cavity and connected with the carbon rod to move downwards when sliding and is contacted with an electrode of a luminous body, the luminous body passes through the inner bottom of the zinc cylinder, and the other electrode of the luminous body is connected with the inner bottom of the zinc cylinder, so that the luminous body emits light to be used as an alarm signal to be sensed by a user.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of an explosion-proof alarm battery based on a carbon-carbon composite shell according to the present invention;

fig. 2 is a schematic structural diagram of another embodiment of the explosion-proof alarm battery based on the carbon-carbon composite shell.

Detailed Description

The invention provides an explosion-proof alarm battery based on a carbon-carbon composite shell, which comprises a zinc cylinder 10, an electrolyte 20, a sealing sheet 42, a carbon rod 30, a shell 11 and a positive electrode cap 43, wherein an opening at the upper end of the zinc cylinder 10 is arranged to form a cylinder opening; the sealing sheet 42 is covered at the top of the tube opening; the carbon rod 30 penetrates through the sealing sheet 42 and is inserted into the zinc cylinder 10, and the top end of the carbon rod 30 is arranged in a protruding mode from the upper surface of the sealing sheet 42; the positive electrode cap 43 is arranged on the sealing sheet 42 and is connected with the top end of the carbon rod 30; the casing 11 is including the cladding zinc section of thick bamboo 10 and run through the shell that sets up, certainly the lower turn-ups that the lower port of shell inwards extended the setting, certainly the last turn-ups of the last port of shell inwards extending, go up the turn-ups laminating the bottom of zinc section of thick bamboo 10, it will to go up the turn-ups anodal cap 43 and gasket 42 press and cover on the bung hole. The preferred cladding of casing 11 can improve the holistic factor of safety of battery at the outside compound casing of carbon of battery, promotes the joint strength between each part, avoids taking place to break or explode. The inner wall of the case 11 is provided with an insulating layer for preventing conduction between the positive electrode cap 43 and the zinc can 10 from the outside.

In this embodiment, explosion-proof alarm battery based on compound casing of carbon still includes piston 51 and alarm mechanism, and wherein, piston 51 cover is established the hypomere of carbon-point 30, piston 51's inner wall with the laminating of carbon-point 30, piston 51's outer wall with the laminating of the inner wall of zinc section of thick bamboo 10, piston 51 will the warning chamber 12 of lower part and the reaction chamber on upper portion are separated into to zinc section of thick bamboo 10, electrolyte 20 sets up in the reaction chamber, still be provided with division board 41 between electrolyte 20 and gasket 42, the lower extreme of carbon-point 30 with zinc section of thick bamboo 10 keeps a determining deviation.

The alarm mechanism comprises a fixing hole arranged at the inner bottom of the zinc can 10, a luminous body 56 arranged in the fixing hole, an electrode plate 53 arranged on the piston 51 and positioned below the carbon rod 30, and a conductive spring 54 connecting the electrode plate 53 and the bottom of the carbon rod 30, wherein one electrode of the luminous body 56 is connected with the zinc can 10, and the other electrode is upwards arranged and used for being connected with the electrode plate 53.

The invention divides the shape into a reaction chamber and an alarm chamber 12 which are not communicated with each other by arranging a piston 51 in a zinc cylinder 10, and arranges an electrolyte 20 in the reaction chamber, after gas is generated in the reaction chamber, the pressure is increased to push the piston 51 to slide along a carbon rod 30, the piston 51 drives a conducting strip which is arranged in the alarm chamber 12 and connected with the carbon rod 30 to move downwards when sliding and is contacted with an electrode of a luminous body 56, the luminous body 56 is arranged by penetrating through the inner bottom of the zinc cylinder 10, the other electrode of the luminous body is connected with the inner bottom of the zinc cylinder 10, and therefore the luminous body 56 emits light as an alarm signal to be sensed by a user.

Further, the alarm mechanism further comprises a support frame 52 arranged on the lower surface of the piston 51, the support frame 52 comprises a connecting plate arranged on the lower surface of the piston 51 and a support rod arranged on the connecting plate and vertically arranged downwards, and the electrode plate 53 is fixedly arranged at the lower end of the support rod. In addition, referring to fig. 2, a bottom of the carbon rod 30 is provided with a mounting hole, the conductive spring 54 is disposed in the mounting hole, and a lower end of the conductive spring 54 is connected to the electrode plate 53.

In a preferred embodiment of the present invention, referring to fig. 2, the explosion-proof alarm battery based on carbon-carbon composite housing further comprises an air hole 58 disposed at the inner bottom of the zinc can 10 and a support spring 57 connecting the piston 51 and the inner bottom of the zinc can 10. The supporting spring 57 is used for balancing the internal pressure of the reaction chamber, so that the piston 51 of the battery is prevented from moving in the zinc cylinder 10 under the action of external force, and the air hole 58 is arranged to prevent the piston 51 from moving downwards to cause the internal pressure of the alarm chamber 12 to be overlarge, so that the alarm chamber 12 is consistent with the pressure chamber of the external environment.

Further, the explosion-proof alarm battery based on the carbon-carbon composite shell further comprises a circuit board 56 arranged at the inner bottom of the zinc cylinder 10, the light-emitting body 56 is arranged on the circuit board 56, the light-emitting body 56 is arranged on the lower surface of the circuit board 56, and the other electrode of the light-emitting body 56 is arranged on the upper surface of the circuit board 56 and corresponds to the electrode plate 53. The circuit board 56 is arranged so as to fixedly arrange the luminous body 56 at the inner bottom of the zinc pot 10.

Further, the bottom of the zinc can 10 is recessed inwards to form a cavity, the fixing hole is arranged in the cavity, and the outward end of the luminous body 56 does not exceed the cavity. In the embodiment, the bottom of the zinc can 10 is recessed inwards to form a concave cavity, so that one end of the luminous body 56 is accommodated in the concave cavity, the alarm light is easy to be perceived by a user, and the normal power supply use is not influenced.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, the scope of the present description should be considered as being described in the present specification. 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 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.

Claims

1. The utility model provides an explosion-proof alarm battery based on compound casing of carbon-carbon, includes a zinc section of thick bamboo, electrolyte, gasket, carbon-point, casing and positive polar cap, its characterized in that, explosion-proof alarm battery based on compound casing of carbon-carbon still includes:

2. The explosion-proof alarm battery based on the carbon-carbon composite shell as claimed in claim 1, wherein the alarm mechanism further comprises a support frame arranged on the lower surface of the piston, and the electrode plate is fixedly arranged at the lower end of the support frame.

3. The explosion-proof alarm battery based on the carbon-carbon composite shell as claimed in claim 2, wherein the bottom of the carbon rod is provided with a mounting hole, the conductive spring is arranged in the mounting hole, and the lower end of the conductive spring is connected with the electrode plate.

4. The explosion-proof alarm battery based on carbon-carbon composite shell as claimed in claim 1, further comprising an air hole arranged at the inner bottom of the zinc cylinder and a supporting spring connecting the piston and the inner bottom of the zinc cylinder.

5. The carbon-carbon composite shell based explosion-proof alarm battery as claimed in claim 1, further comprising a circuit board disposed at the inner bottom of the zinc can, wherein the light emitter is disposed on the circuit board, the light emitter is disposed on the lower surface of the circuit board, and the other electrode of the light emitter is disposed on the upper surface of the circuit board and corresponds to the electrode sheet.

6. The explosion-proof alarm battery based on the carbon-carbon composite shell as claimed in claim 1, wherein the bottom of the zinc cylinder is recessed inwards to form a cavity, the fixing hole is arranged in the cavity, and the end of the luminous body facing outwards does not exceed the cavity.

7. The explosion-proof alarm battery based on the carbon-carbon composite shell as claimed in claim 1, further comprising a shell, wherein the shell is wrapped by the zinc cylinder and is provided with a through shell, a lower flanging which is arranged from the lower port of the shell in an inward extending manner, and an upper flanging which is arranged from the upper port of the shell in an inward extending manner, the upper flanging is attached to the bottom of the zinc cylinder, the positive cap and the sealing piece are pressed on the opening of the zinc cylinder by the upper flanging, and an insulating layer is arranged on the inner wall of the shell.