CN213905133U

CN213905133U - Fireproof and explosion-proof capacitor

Info

Publication number: CN213905133U
Application number: CN202023177321.9U
Authority: CN
Inventors: 朱永红; 黄庆国
Original assignee: Huizhou Saier Electronic Co ltd
Current assignee: Huizhou Saier Electronic Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-08-06
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a fireproof and explosion-proof capacitor, which comprises a housing, wherein carbon dioxide storage boxes are arranged on both sides of the housing, the top of each carbon dioxide storage box is communicated with an outlet pipe, one end of the outlet pipe, which is far away from the carbon dioxide storage boxes, penetrates through the housing and extends to the inner cavity of the housing, and is communicated with a connecting pipe, and heat insulation plates are fixedly arranged on both sides of the bottom of the inner cavity of the housing; when capacitor body breaks down or applied voltage is too big to lead to the nature, the inside temperature of casing can rise, high temperature can be the fusing stick fusing, after the fusing, under the reaction force of spring, can drive the valve pull rod and be close to, can open the valve along with the valve pull rod is close to, open the valve after, carbon dioxide in the carbon dioxide storage box passes through the outlet duct and gets into the connecting pipe, get into jet-propelled pipe through the connecting pipe, spout through jet-propelled pipe, put out a fire to the capacitor body who takes place the spontaneous combustion, capacitor body spontaneous combustion and the conflagration that causes have been avoided.

Description

Fireproof and explosion-proof capacitor

Technical Field

The utility model relates to a condenser technical field specifically is a fire prevention and explosion protection condenser.

Background

The capacitor, generally referred to as capacitor for short, is an electric charge-containing capacitor, and as the name implies, the capacitor is an electric charge-containing device, and the capacitor is one of electronic components used in electronic devices in large quantities, and is widely applied to dc blocking, ac coupling, bypass, filtering, tuning loop, energy conversion, control and other aspects in circuits.

The existing capacitor mainly comprises a core bag body, a rubber plug and a shell, when the capacitor is in fault or the external voltage is too large, large current can be generated, the internal temperature of the capacitor can be increased, spontaneous combustion can easily occur, once spontaneous combustion occurs, fire disasters are easily caused, and serious potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire prevention explosion-proof capacitor possesses the advantage that can automatic fire extinguishing to solve the problem that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fireproof and explosion-proof capacitor comprises a shell, wherein carbon dioxide storage boxes are arranged on two sides of the shell, the top of each carbon dioxide storage box is communicated with an air outlet pipe, one end, far away from the carbon dioxide storage boxes, of each air outlet pipe penetrates through the shell and extends to the inner cavity of the shell to be communicated with a connecting pipe, heat insulation plates are fixedly arranged on two sides of the bottom of the inner cavity of the shell, air injection pipes are communicated with the inner sides of the connecting pipes at equal intervals, one ends, far away from the connecting pipes, of the air injection pipes penetrate through the heat insulation plates and extend to the outer parts of the heat insulation plates, a capacitor body is fixedly arranged at the bottom of the inner cavity of the shell and located between the heat insulation plates, the top of the capacitor body penetrates through the shell and extends to the outer parts of the shell, connecting plates are fixedly arranged at the top of the inner sides of the heat insulation plates, connecting rods are hinged to two sides of the bottom of the connecting plates, the top of the connecting rods penetrates through the connecting plates and extends to the outer parts of the connecting plates, the connecting pipe is characterized in that a pull valve rod is connected to the inner side of the connecting pipe in a sliding mode, one end, far away from the connecting pipe, of the pull valve rod penetrates through the thermal insulation board and extends to the outer fixed mounting of the thermal insulation board, a limiting plate is fixedly mounted on the outer side of the limiting plate and connected with the outer side of the connecting rod in a clamped mode, a fusing rod is placed between the outer side of the connecting rod and the inner side of the thermal insulation board, a baffle is fixedly mounted on the surface of the pull valve rod, a spring is fixedly mounted on the outer side of the baffle and located on the surface of the pull valve rod, and the outer side of the spring is fixedly mounted on the inner side of the thermal insulation board.

Preferably, one side of the top of the carbon dioxide storage box is communicated with a pressure valve, and the front of the carbon dioxide storage box is communicated with an air inlet valve.

Preferably, the both sides of casing are equal fixed mounting have the shell, carbon dioxide stores box, outlet duct, pressure valve and admission valve and all is located the inner chamber of shell.

Preferably, the bottom of the outer side of the connecting rod and the inner side of the heat insulation plate are both provided with a groove matched with the fusing rod, and two ends of the surface of the fusing rod are both located in the inner cavity of the groove.

Preferably, openings are formed in two sides of the top of the connecting plate, and the surface of the connecting rod is in sliding connection with the inner cavity of the opening.

Preferably, the front of shell just is located the department that corresponds of admission valve and has seted up the round hole, the front of shell just is located that the top of round hole articulates there is the dust guard, the front fixed mounting of dust guard has the handle.

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

when capacitor body breaks down or applied voltage is too big to lead to the nature, the inside temperature of casing can rise, high temperature can be the fusing stick fusing, after the fusing, under the reaction force of spring, can drive the valve pull rod and be close to, can open the valve along with the valve pull rod is close to, open the valve after, carbon dioxide in the carbon dioxide storage box passes through the outlet duct and gets into the connecting pipe, get into jet-propelled pipe through the connecting pipe, spout through jet-propelled pipe, put out a fire to the capacitor body who takes place the spontaneous combustion, capacitor body spontaneous combustion and the conflagration that causes have been avoided.

Drawings

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

FIG. 2 is a schematic view of the top-view cross-sectional structure of the housing of the present invention;

FIG. 3 is a schematic diagram of the right-side cross-sectional structure of the present invention;

FIG. 4 is a schematic diagram of a right-view partial cross-sectional structure of the connection plate of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a carbon dioxide storage cartridge; 3. an air outlet pipe; 4. a connecting pipe; 5. a heat insulation plate; 6. a gas ejector tube; 7. a capacitor body; 8. a connecting plate; 9. a connecting rod; 10. pulling the valve rod; 11. a limiting plate; 12. a fuse rod; 13. a baffle plate; 14. a spring; 15. a housing; 16. a dust guard.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a fireproof and explosion-proof capacitor comprises a shell 1, wherein carbon dioxide storage boxes 2 are arranged on two sides of the shell 1, the top of each carbon dioxide storage box 2 is communicated with an air outlet pipe 3, one end, far away from the carbon dioxide storage box 2, of each air outlet pipe 3 penetrates through the shell 1 and extends to an inner cavity of the shell 1 to be communicated with a connecting pipe 4, heat insulation plates 5 are fixedly arranged on two sides of the bottom of the inner cavity of the shell 1, air injection pipes 6 are communicated with the inner side of each connecting pipe 4 at equal intervals, one ends, far away from the connecting pipes 4, of the air injection pipes 6 penetrate through the heat insulation plates 5 and extend to the outer parts of the heat insulation plates 5, a capacitor body 7 is fixedly arranged at the bottom of the inner cavity of the shell 1 and located between the heat insulation plates 5, the top of the capacitor body 7 penetrates through the shell 1 and extends to the outer parts of the shell 1, the top of the inner side of the connecting pipe 4 is connected with a pull valve rod 10 in a sliding manner, one end, far away from the connecting pipe 4, of the pull valve rod 10 penetrates through the heat insulation board 5 and extends to the outer part of the heat insulation board 5 to be fixedly provided with a limiting board 11, the outer side of the limiting board 11 is clamped with the outer side of the connecting rod 9, a fusing rod 12 is arranged between the outer side of the connecting rod 9 and the inner side of the heat insulation board 5, the surface of the pull valve rod 10 is fixedly provided with a baffle 13, the outer side of the baffle 13 is fixedly provided with a spring 14 positioned on the surface of the pull valve rod 10, the outer side of the spring 14 is fixedly arranged with the inner side of the heat insulation board 5, when the capacitor body 7 breaks down or the external voltage is too large to cause nature, the temperature in the shell 1 can rise, the fusing rod 12 can be fused by high temperature, after fusing, under the reaction force of the spring 14, the pull valve rod 10 can be driven to be close, the valve can be opened along with the pull valve rod 10, after the valve is opened, carbon dioxide in the carbon dioxide storage box 2 enters the connecting pipe 4 through the outlet pipe 3, get into gas-blast pipe 6 through connecting pipe 4, spout through gas-blast pipe 6, put out a fire to capacitor body 7 that takes place the spontaneous combustion, avoided capacitor body 7 spontaneous combustion and the conflagration that causes.

One side of the top of the carbon dioxide storage box 2 is communicated with a pressure valve, the front of the carbon dioxide storage box 2 is communicated with an air inlet valve, carbon dioxide gas can be filled into the carbon dioxide storage box 2 through the air inlet valve, the pressure valve can discharge redundant carbon dioxide gas entering the carbon dioxide storage box 2, the stability of the carbon dioxide storage box 2 is ensured, the two sides of the shell 1 are fixedly provided with a shell 15, the carbon dioxide storage box 2, an air outlet pipe 3, the pressure valve and the air inlet valve are all positioned in the inner cavity of the shell 15, the carbon dioxide storage box 2, the air outlet pipe 3, the pressure valve and the air inlet valve can be protected, the carbon dioxide storage box 2, the air outlet pipe 3, the pressure valve and the air inlet valve are prevented from being damaged due to collision, the bottom of the outer side of the connecting rod 9 and the inner side of the heat insulation board 5 are both provided with grooves matched with the fusing rod 12, and both ends of the surface of the fusing rod 12 are positioned in the inner cavities of the grooves, can carry on spacingly to fusing stick 12, prevent that fusing stick 12 from dropping, the opening has all been seted up to the both sides at 8 tops of connecting plate, connecting rod 9's surface and open-ended inner chamber sliding connection, connecting rod 9 of being convenient for removes at the open-ended inner chamber, the round hole has been seted up in the front of shell 15 and the corresponding department that is located the admission valve, be convenient for store the box 2 interior carbon dioxide gas that fills through the round hole to carbon dioxide, the front of shell 15 and the top that is located the round hole articulate has dust guard 16, dust guard 16's positive fixed mounting has the handle, can prevent that the dust from getting into the air inlet of admission valve through carrying out the round hole, block up the air inlet.

The working principle is as follows: when capacitor body 7 breaks down or applied voltage is too big to lead to the nature, the inside temperature of casing 1 can rise, high temperature can be the fusing stick 12 fusing, after the fusing, under spring 14's reaction force, can drive the valve rod 10 and be close to, can open the valve along with valve rod 10 is close to, open the valve after, carbon dioxide in the carbon dioxide storage box 2 passes through 3 entering connecting pipes 4 of outlet duct, get into jet-propelled pipe 6 through connecting pipe 4, spout through jet-propelled pipe 6, put out a fire to capacitor body 7 that takes place the spontaneous combustion, avoided capacitor body 7 spontaneous combustion and the conflagration that causes.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fire and explosion protection capacitor comprises a shell (1), and is characterized in that: the carbon dioxide heat insulation structure is characterized in that carbon dioxide storage boxes (2) are arranged on two sides of the shell (1), the top of each carbon dioxide storage box (2) is communicated with an air outlet pipe (3), one end, far away from the carbon dioxide storage boxes (2), of each air outlet pipe (3) penetrates through the shell (1) and extends to an inner cavity of the shell (1) to be communicated with a connecting pipe (4), heat insulation plates (5) are fixedly mounted on two sides of the bottom of the inner cavity of the shell (1), air injection pipes (6) are communicated with the inner sides of the connecting pipes (4) at equal intervals, one ends, far away from the connecting pipes (4), of the air injection pipes (6) penetrate through the heat insulation plates (5) and extend to the outer portions of the heat insulation plates (5), a capacitor body (7) is fixedly mounted at the bottom of the inner cavity of the shell (1) and located between the heat insulation plates (5), and the top of the capacitor body (7) penetrates through the shell (1) and extends to the outer portions of the shell (1), the heat insulation board is characterized in that a connecting plate (8) is fixedly mounted at the top of the inner side of the heat insulation board (5), connecting rods (9) are hinged to the two sides of the bottom of the connecting plate (8), the top of each connecting rod (9) penetrates through the connecting plate (8) and extends to the outside of the connecting plate (8), a pull valve rod (10) is connected to the top of the inner side of the connecting pipe (4) in a sliding mode, one end, away from the connecting pipe (4), of each pull valve rod (10) penetrates through the heat insulation board (5) and extends to the outside of the heat insulation board (5) and is fixedly provided with a limiting plate (11), the outer side of each limiting plate (11) is connected with the outer side of the corresponding connecting rod (9) in a clamping mode, a broken rod (12) is placed between the outer side of the corresponding connecting rod (9) and the inner side of the heat insulation board (5), a baffle (13) is fixedly mounted on the surface of the pull valve rod (10), and a spring (14) is fixedly mounted on the outer side of the baffle (13) and positioned on the surface of the pull valve rod (10), the outer side of the spring (14) is fixedly arranged with the inner side of the heat insulation plate (5).

2. A fire and explosion protection capacitor as claimed in claim 1, wherein: one side of the top of the carbon dioxide storage box (2) is communicated with a pressure valve, and the front of the carbon dioxide storage box (2) is communicated with an air inlet valve.

3. A fire and explosion protection capacitor as claimed in claim 1, wherein: the equal fixed mounting in both sides of casing (1) has shell (15), carbon dioxide stores box (2), outlet duct (3), pressure valve and admission valve and all is located the inner chamber of shell (15).

4. A fire and explosion protection capacitor as claimed in claim 1, wherein: the bottom of the outer side of the connecting rod (9) and the inner side of the heat insulation plate (5) are both provided with grooves matched with the fusing rod (12), and the two ends of the surface of the fusing rod (12) are both located in inner cavities of the grooves.

5. A fire and explosion protection capacitor as claimed in claim 1, wherein: the opening has all been seted up to the both sides at connecting plate (8) top, the surface and the open-ended inner chamber sliding connection of connecting rod (9).

6. A fire and explosion protection capacitor as claimed in claim 3, wherein: the front of shell (15) just is located the department that corresponds of admission valve and has seted up the round hole, the front of shell (15) just is located the top of round hole and articulates there is dust guard (16), the front fixed mounting of dust guard (16) has the handle.