CN212257190U

CN212257190U - Explosion-proof device of power capacitor

Info

Publication number: CN212257190U
Application number: CN202021820131.1U
Authority: CN
Inventors: 王东
Original assignee: Changxing Xingxing Capacitor Factory
Current assignee: Changxing Xingxing Capacitor Factory
Priority date: 2020-06-29
Filing date: 2020-08-27
Publication date: 2020-12-29
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a power capacitor explosion-proof equipment, including main part and alarm lamp, the threaded hole is seted up at the top of main part, the inside threaded connection of screw hole has the installation base, there is the alarm lamp at the top of installation base through bolt swing joint, the bleeder vent has been seted up to the circumference of installation base, the cavity has been seted up to the inside of main part, the fixed column has been cup jointed to the inside of cavity. This power capacitor explosion-proof equipment, when power capacitor main part is inside to produce a large amount of gases, can be through pressure plate with fixed column jack-up, make the inside air vent of fixed column expose the cavity, make gaseous through the air vent discharge, prevent that heat and gas in the main part are too much, lead to this power capacitor explosion, the inductive switch of alarm lamp bottom can be pushed up to the top of fixed column simultaneously, make the alarm lamp send out the police dispatch newspaper, remind operating personnel to cut off the power supply, make power capacitor stop operation, prevent the power capacitor explosion.

Description

Explosion-proof device of power capacitor

Technical Field

The utility model relates to a power capacitor explosion-proof equipment technical field specifically is a power capacitor explosion-proof equipment.

Background

A capacitor, generally referred to simply as its capacity to hold a charge, is denoted by the letter C, and defines: the capacitor, as the name implies, is a 'capacitor for containing electricity', is a device for containing electric charge, and is one of the electronic components used in a large number in electronic equipment, and is widely applied to the aspects of isolating direct current and alternating current, coupling, bypass, filtering, tuning loop, energy conversion, control and the like in a circuit, the capacitor is formed between any two conductors (including conducting wires) which are insulated and closely spaced, and the power capacitor is the most common one in the capacitor, and the power capacitor is a capacitor used for a power system and electrical equipment, and is applied to a plurality of industries such as electronics, household appliances, communication, electric power, electrified railways, hybrid electric vehicles, wind power generation, solar power generation and the like, and as the application field of the power capacitor is wider and more, the quality requirement of the capacitor is stricter and more, the equipment in the capacitor manufacturing industry is more and more advanced, manufacturing process, design theory all are constantly promoting, and the condenser itself is the container, and the biggest quality hidden danger is that lose capacitance, explosion, and after power capacitor put into operation, can produce very big heat, and the inside has produced a large amount of gas and can't get rid of, and the condenser continues to work, produces heat and more gas, leads to the explosion at last, therefore, is an important task to power capacitor's explosion-proof.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a power capacitor explosion-proof equipment has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a power capacitor explosion-proof equipment, includes main part and alarm lamp, the threaded hole is seted up at the top of main part, the inside threaded connection of screw hole has the installation base, there is the alarm lamp at the top of installation base through bolt swing joint, the bleeder vent has been seted up to the circumference of installation base, the cavity has been seted up to the inside of main part, the fixed column has been cup jointed to the inside of cavity, the bottom fixedly connected with pressure plate of fixed column, the fixed surface of fixed column is connected with the prevention board, the air vent has been seted up to the inside of fixed column, the inner diapire of cavity is seted up flutedly, the bottom fixedly connected with sealing ring of prevention board, the bottom fixed mounting of alarm lamp has.

Optionally, the number of the air holes is eight, and the eight air holes are distributed in the circumferential direction of the mounting base in an annular array mode.

Optionally, the size of the mounting base is matched with the size of the threaded hole, and a groove is formed in the surface of the bolt.

Optionally, the number of the bolts is four, and the four bolts are distributed on the surface of the mounting base in a rectangular array.

Optionally, the size of the cavity is adapted to the size of the stopper plate, and the size of the groove is adapted to the size of the sealing ring.

Optionally, the cavity is cylindrical, and the number of the vent holes is two.

(III) advantageous effects

The utility model provides a power capacitor explosion-proof equipment possesses following beneficial effect:

1. this power capacitor explosion-proof equipment, when power capacitor main part is inside to produce a large amount of gases, can be through pressure plate with fixed column jack-up, make the inside air vent of fixed column expose the cavity, make gaseous through the air vent discharge, prevent that heat and gas in the main part are too much, lead to this power capacitor explosion, the inductive switch of alarm lamp bottom can be pushed up to the top of fixed column simultaneously, make the alarm lamp send out the police dispatch newspaper, remind operating personnel to cut off the power supply, make power capacitor stop operation, prevent the power capacitor explosion.

2. This power capacitor explosion-proof equipment through the setting of screw hole, can make things convenient for operating personnel fixed mounting base, through the setting of bleeder vent, can make things convenient for the air vent to loose gas, through the setting of recess and sealing ring, can strengthen the leakproofness of cavity, through the setting of bolt, easy to assemble and change the alarm lamp.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a partial cross-sectional structure of the main body of the present invention;

fig. 4 is a schematic view of the internal cross-sectional structure of the cavity of the present invention.

In the figure: 1. a main body; 2. an alarm lamp; 3. a threaded hole; 4. installing a base; 5. air holes are formed; 6. a cavity; 7. fixing a column; 8. a stop plate; 9. a vent hole; 10. a groove; 11. a seal ring; 12. a pressure plate; 13. a bolt; 14. an inductive switch.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: an explosion-proof device of a power capacitor comprises a main body 1 and an alarm lamp 2, wherein a threaded hole 3 is formed in the top of the main body 1, an installation base 4 can be conveniently fixed by an operator through the arrangement of the threaded hole 3, the internal thread of the threaded hole 3 is connected with the installation base 4, the top of the installation base 4 is movably connected with the alarm lamp 2 through a bolt 13, the alarm lamp 2 is convenient to install and replace through the arrangement of the bolt 13, vent holes 5 are formed in the circumferential direction of the installation base 4, the vent holes 5 can facilitate the air dissipation of vent holes 9, a cavity 6 is formed in the main body 1, a fixed column 7 is sleeved in the cavity 6, a pressure plate 12 is fixedly connected to the bottom of the fixed column 7, a stop plate 8 is fixedly connected to the surface of the fixed column 7, vent holes 9 are formed in the fixed column 7, a groove 10 is formed in the inner bottom wall of, the sealing performance of the cavity can be enhanced by arranging the groove 10 and the sealing ring 11, and the bottom of the alarm lamp 2 is fixedly provided with the inductive switch 14;

in order to prevent explosion caused by excessive heat and gas in the power capacitor, when a large amount of gas is generated in the power capacitor main body 1, the pressure plate 12 jacks up the fixed column 7 to enable the vent hole 9 in the fixed column 7 to be exposed out of the cavity 6, the gas is exhausted through the vent hole 9, meanwhile, the top of the fixed column 7 jacks up the inductive switch 14 at the bottom of the alarm lamp 2 to enable the alarm lamp 2 to give an alarm to remind an operator of power failure, so that the power capacitor stops operating, and the explosion of the power capacitor is prevented;

the number of the air holes 5 is eight, the eight air holes 5 are distributed in the circumferential direction of the mounting base 4 in an annular array mode, the size of the mounting base 4 is matched with that of the threaded holes 3, the surfaces of the bolts 13 are provided with grooves, the number of the bolts 13 is four, the four bolts 13 are distributed on the surface of the mounting base 4 in a rectangular array mode, the size of the cavity 6 is matched with that of the stop plate 8, the size of the groove 10 is matched with that of the sealing ring 11, the shape of the cavity 6 is in a cylindrical shape, and the number of the air holes 9 is two.

The utility model discloses in, the device's working procedure as follows:

1. the mounting base 4 is mounted on the top of the main body 1 through the threaded hole 3, and the alarm lamp 2 is mounted on the surface of the mounting base 4 through the bolt 13;

2. when a large amount of gas is generated in the power capacitor main body 1, the gas in the closed space generates pressure, the pressure plate 12 jacks up the fixed column 7, and the vent hole 9 in the fixed column 7 is exposed out of the cavity 6, so that the gas is discharged out of the main body 1 along the vent hole 9, and the device can prevent the power capacitor from exploding due to excessive heat and gas in the main body 1 by discharging the gas in the device;

3. meanwhile, the top of the fixed column 7 can push against the inductive switch 14 at the bottom of the alarm lamp 2, so that the alarm lamp 2 gives an alarm to remind an operator to cut off the power supply, the power capacitor stops running, the explosion of the power capacitor is prevented, and the safety of the device is improved;

4. and the groove 10 of the bottom wall in the cavity 6 and the sealing ring 11 at the bottom of the stop plate 8 can enhance the sealing performance of the cavity when excessive heat and gas in the main body 1 do not occur at ordinary times.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a power capacitor explosion-proof equipment, includes main part (1) and alarm lamp (2), its characterized in that: the top of the main body (1) is provided with a threaded hole (3), the inner part of the threaded hole (3) is connected with a mounting base (4) in a threaded manner, the top of the mounting base (4) is movably connected with an alarm lamp (2) through a bolt (13), the circumferential direction of the mounting base (4) is provided with air holes (5), the interior of the main body (1) is provided with a cavity (6), a fixed column (7) is sleeved in the cavity (6), the bottom of the fixed column (7) is fixedly connected with a pressure plate (12), a stop plate (8) is fixedly connected on the surface of the fixed column (7), a vent hole (9) is arranged inside the fixed column (7), a groove (10) is arranged on the inner bottom wall of the cavity (6), a sealing ring (11) is fixedly connected with the bottom of the stop plate (8), and an induction switch (14) is fixedly arranged at the bottom of the alarm lamp (2).

2. A power capacitor explosion protection device as defined in claim 1, wherein: the number of the air holes (5) is eight, and the air holes (5) are distributed in the circumferential direction of the mounting base (4) in an annular array mode.

3. A power capacitor explosion protection device as defined in claim 1, wherein: the size of the mounting base (4) is matched with that of the threaded hole (3), and a groove is formed in the surface of the bolt (13).

4. A power capacitor explosion protection device as defined in claim 1, wherein: the number of the bolts (13) is four, and the four bolts (13) are distributed on the surface of the mounting base (4) in a rectangular array mode.

5. A power capacitor explosion protection device as defined in claim 1, wherein: the size of the cavity (6) is matched with that of the stop plate (8), and the size of the groove (10) is matched with that of the sealing ring (11).

6. A power capacitor explosion protection device as defined in claim 1, wherein: the cavity (6) is cylindrical, and the number of the vent holes (9) is two.