CN112768716A

CN112768716A - Fault alarm battery based on carbon-carbon composite shell

Info

Publication number: CN112768716A
Application number: CN201911066542.8A
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: 2019-11-04
Filing date: 2019-11-04
Publication date: 2021-05-07

Abstract

The invention discloses a fault alarm battery based on a carbon-carbon composite shell, which comprises a zinc cylinder, an electrolyte, a sealing sheet, a carbon rod and an anode cap, and further comprises: a piston; the carbon rod is sleeved with the piston, the inner wall of the piston is attached to 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 a reaction cavity at the lower part and an alarm cavity at the upper part by the piston, and the electrolyte is arranged in the reaction cavity; the alarm mechanism comprises a fixing hole penetrating through the sealing sheet and the positive electrode cap, a luminous body arranged in the fixing hole, a conductive sleeve which is sleeved on the carbon rod and one end of which extends outwards and is provided with a flanging, and a push ring which is sleeved on the carbon rod and is positioned between the piston and the flanging; one electrode of the luminous body is electrically connected with the zinc cylinder, the other electrode of the luminous body is arranged towards the carbon rod, and the push ring is used for ascending along with the piston and pushing the flanging to be in contact with the other electrode of the luminous body. The invention solves the problem that a user cannot visually check whether the dry battery is damaged.

Description

Fault alarm battery based on carbon-carbon composite shell

Technical Field

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

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 a fault 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 a fault alarm battery based on a carbon-carbon composite shell, which comprises a zinc cylinder, an electrolyte, a sealing sheet, a carbon rod and an anode cap, and further comprises:

a piston; the cover is established the hypomere of carbon-point, including a zinc section of thick bamboo, electrolyte, gasket, carbon-point and positive electrode cap, its characterized in that, the malfunction alerting battery based on compound casing of carbon-carbon still includes:

a piston; the carbon rod is sleeved with the electrolyte, the inner wall of the piston is attached to 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 a reaction cavity at the lower part and an alarm cavity at the upper part by the piston, and the electrolyte is arranged in the reaction cavity;

the alarm mechanism comprises a fixing hole penetrating through the sealing sheet and the positive electrode cap, a luminous body arranged in the fixing hole, a conductive sleeve which is sleeved on the carbon rod and one end of which extends outwards and is provided with a flanging, and a push ring which is sleeved on the carbon rod and is positioned between the piston and the flanging;

one electrode of the luminous body is electrically connected with the zinc cylinder, the other electrode of the luminous body faces the carbon rod, and the push ring is used for rising along with the piston and pushing the flanging to be in contact with the other electrode of the luminous body.

Preferably, the alarm mechanism further comprises a push plate arranged on the upper surface of the piston, and the push ring is fixedly arranged on the push plate.

Preferably, corresponding air holes are formed in the sealing piece and the positive electrode cap, and a supporting spring is further arranged between the push plate and the push ring.

Preferably, the malfunction alerting battery based on the carbon-carbon composite shell further comprises a circuit board arranged on the lower surface of the sealing ring, a first pole is arranged at one end of the circuit board, a second pole is arranged at the other end of the circuit board, the first pole is connected with the inner wall of the zinc cylinder and one electrode of the luminous body, and the second pole faces towards the carbon rod and is opposite to the flanging.

Preferably, the malfunction alerting electricity still includes the casing, the casing includes the cladding zinc section of thick bamboo and link up the shell that sets up, certainly the lower limb that the lower port of shell inwards extended the setting, certainly the upper edge that the last port of shell inwards extended, the top edge laminating the bottom of zinc section of thick bamboo sets up, the top edge will positive cap and gasket press cover on the nozzle of zinc section of thick bamboo.

The invention divides the zinc cylinder into a reaction cavity and an alarm cavity which are not communicated with each other by arranging the piston in the zinc cylinder, and arranges the electrolyte in the reaction cavity, after gas is generated in the reaction cavity, the pressure is increased to push the piston to slide along the carbon rod, the piston drives the flanging of the conducting ring which is arranged in the alarm cavity and connected with the carbon rod to be turned outwards when sliding, and the flanging is contacted with one pole of the luminous body, the other pole of the luminous body is connected with the side wall of the zinc cylinder, and 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 a carbon-carbon composite case based malfunction alert battery of the present invention;

fig. 2 is a schematic structural diagram of another embodiment of the carbon-carbon composite case-based malfunction alerting battery of the present invention.

Detailed Description

The invention provides a carbon-carbon composite shell-based fault alarm battery, and referring to fig. 1, the carbon-carbon composite shell-based fault alarm battery 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; casing 11 is including the cladding zinc section of thick bamboo 10 and link up the shell that sets up, certainly the lower extreme mouth of shell inwards extends the lower limb that sets up, certainly the upper edge of the inside extension of last port of shell, the upper edge laminating the bottom of zinc section of thick bamboo 10, the upper edge will anodal cap 43 and gasket 42 press and cover on the bung hole, the preferred cladding of casing 11 is in the outside carbon-carbon composite casing of battery, can improve the holistic factor of safety 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, the malfunction alerting battery based on the compound casing of carbon still includes piston 51 and alarm mechanism, and wherein, piston 51 cover is established the upper segment 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 alarm chamber 12 on upper portion and the reaction chamber of lower part are separated into to zinc section of thick bamboo 10, electrolyte 20 sets up in the reaction chamber.

The alarm mechanism comprises a fixing hole penetrating through the sealing piece 42 and the positive electrode cap 43, a luminous body 55 arranged in the fixing hole, a conductive sleeve sleeved on the carbon rod 30 and provided with a flange 54 extending outwards at one end, and a push ring 53 sleeved on the carbon rod 30 and positioned between the piston 51 and the flange 54;

one electrode of the luminophor 55 is connected with the zinc can electrode 10, the other electrode of the luminophor 55 is arranged towards the carbon rod 30, and the push ring 53 is used for ascending along with the piston 51 and pushing the flanging 54 to be in contact with the other electrode of the luminophor 55.

The invention divides the zinc pot 10 into a reaction chamber and an alarm chamber 12 which are not communicated with each other by arranging a piston 51 in the zinc pot 10, and arranges an electrolyte 20 in the alarm chamber 12, one pole of a luminous body 55 is connected with the side wall of the zinc pot 10, a conducting ring is connected with a carbon rod 30, a flanging 54 at the lower end of the conducting ring is turned outwards, when the air pressure in the reaction chamber is increased, a push ring pushes the flanging 54 to be contacted with the other electrode of the luminous body 55 along with the rise of the piston 51, and therefore, the luminous body emits light to be used as an alarm signal for a user to detect.

Further, the alarm mechanism further comprises a push plate 52 arranged on the upper surface of the piston, the push ring 53 is fixedly arranged on the push plate 52, and the push ring 53 is made of an insulating material.

In another embodiment of the present invention, referring to fig. 2, the sealing plate 42 and the positive electrode cap 43 are provided with corresponding air holes 57, and a supporting spring 58 is further provided between the push plate 52 and the push ring 53. The push ring 53 is brought into abutment with the flange 54 by providing a support spring 58. The push ring 53 is prevented from generating abnormal sound due to shaking in the use process. The air hole 58 is arranged to prevent the piston 51 from moving downwards to cause the internal pressure of the alarm cavity 12 to be overlarge, so that the alarm cavity 12 is consistent with the pressure cavity of the external environment. By providing the support spring 57 for equalizing the internal pressure of the reaction chamber, the piston 51 is prevented from moving in the can 10 by the external force,

further, the malfunction alerting battery based on the carbon-carbon composite shell further comprises a circuit board 56 arranged on the lower surface of the sealing ring, one end of the circuit board 56 is provided with a first pole, the other end of the circuit board is provided with a second pole, the first pole is connected with the inner wall of the zinc cylinder and one electrode of the luminous body, and the second pole faces towards the carbon rod and is opposite to the flanging.

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 a malfunction alerting battery based on compound casing of carbon-carbon, includes a zinc section of thick bamboo, electrolyte, gasket, carbon-point and positive polar cap, its characterized in that, malfunction alerting battery based on compound casing of carbon-carbon still includes:

2. The carbon-carbon composite housing based malfunction alarm battery of claim 1, wherein the alarm mechanism further comprises a push plate disposed on an upper surface of the piston, and the push ring is fixedly disposed on the push plate.

3. The carbon-carbon composite shell based failure alarm battery as in claim 2, wherein the sealing sheet and the positive electrode cap are provided with corresponding air holes, and a support spring is further arranged between the push plate and the push ring.

4. The carbon-carbon composite shell based fault alarm battery as claimed in claim 1, further comprising a circuit board disposed on a lower surface of the sealing ring, wherein one end of the circuit board is provided with a first pole, the other end of the circuit board is provided with a second pole, the first pole is connected with an inner wall of the zinc can and one electrode of the illuminant, the second pole is connected with the other electrode of the illuminant, and the second pole is disposed toward the carbon rod and opposite to the flange.

5. The carbon-carbon composite shell-based failure alarm battery according to claim 1, further comprising a shell, wherein the shell comprises a shell which covers the zinc can and is arranged in a penetrating manner, a lower edge which is arranged from a lower port of the shell to extend inwards, and an upper edge which is arranged from an upper port of the shell to extend inwards, the upper edge is arranged to be attached to the bottom of the zinc can, the positive electrode cap and the sealing piece are pressed on a can port of the zinc can by the upper edge, and an insulating layer is arranged on the inner wall of the shell.