CN213400882U - Flood discharge type explosion-proof power capacitor - Google Patents

Abstract

The utility model discloses an explosion-proof power capacitor of flood discharge type, its technical scheme main points are including the casing, be provided with the electric capacity core that holds the electric charge in the casing, be provided with the exhaust hole on the casing, be provided with explosion-proof equipment and baffle in the casing, explosion-proof equipment is including adjusting the package, the baffle, the slide bar with reset, adjust the long-pending expend with heat and contract with cold of inclusion, the baffle is connected with the casing, set up the trompil on the baffle, trompil that slide bar one end was passed on the baffle is used for contacting with adjusting the package, be provided with the stopper on the other end, reset one end and be connected with the stopper, the other end links to each other with the baffle, the utility model discloses a mechanical structure's mode has reached the technological effect with other discharge casings of high.

Description

Flood discharge type explosion-proof power capacitor

Technical Field

The utility model relates to a power capacitor, more specifically say, it relates to an explosion-proof power capacitor of flood discharge type.

Background

Power capacitors, capacitors for power systems and electrical equipment. Any two metal conductors are separated by an insulating medium, and thus a capacitor is formed. The capacitance of the capacitor is determined by its geometrical dimensions and the properties of the insulating medium between the two plates. When a capacitor is used under ac voltage, the capacitance of the capacitor is often expressed in terms of its reactive power.

At present, the power capacitor that circulates in the market does not possess explosion-proof function, because the circuit can produce a large amount of heats in the conversion, can lead to the inside electronic component of condenser to damage after the heat reaches certain temperature, causes the explosion even.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a flood discharge type explosion-proof power capacitor who prevents the explosion.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an explosion-proof power capacitor of flood discharge type, includes the casing, be provided with the electric capacity core that holds the electric charge in the casing, be provided with the exhaust hole that supplies the gas circulation on the casing, be provided with explosion-proof equipment in the casing, still be provided with the baffle with electric capacity core and explosion-proof equipment separated in the casing, explosion-proof equipment is including adjusting package, baffle, slide bar and the piece that resets, adjust the package volume and expand with heat and contract with cold along with temperature variation, baffle and casing fixed connection, be provided with on the baffle and set up the trompil with the exhaust hole is coaxial, trompil one end of slide bar is passed on the baffle is used for contacting with the regulation package, is provided with the stopper that seals the exhaust hole on the other end, it is connected with the stopper to.

The utility model discloses further set up to: and a contact block is arranged at one end of the sliding rod, which is in contact with the adjusting bag.

The utility model discloses further set up to: the shape of the contact block is trumpet-shaped towards the direction of the adjusting bag.

The utility model discloses further set up to: the reset piece is a telescopic reset spring which surrounds the outer surface of the sliding rod.

The utility model discloses further set up to: the outer wall of the shell is provided with an annular groove communicated with the exhaust hole, and the annular groove is clamped with the limiting block.

The utility model discloses further set up to: the exhaust holes are positioned on the outer walls of the two sides of the shell.

The utility model discloses further set up to: the adjusting bag comprises a deformable deformation layer and gas located in the deformation layer, and the gas expands with heat and contracts with cold along with the temperature change.

The utility model discloses further set up to: the gas is normal carbon dioxide.

The utility model discloses further set up to: and the outer side of the capacitor core is wrapped with an insulating layer.

The utility model discloses further set up to: the casing outside is provided with the infrared geminate transistor that detects the stopper displacement, infrared geminate transistor links to each other with human-computer interface.

To sum up, the utility model discloses following beneficial effect has: through being provided with exhaust hole and explosion-proof equipment for when the temperature rose, adjust the long-pending inflation of inclusion and promote the trompil removal that the slide bar passed on the baffle, reset spring is tensile, and the stopper moves to the outside and makes the exhaust hole be in the state of opening, makes the gas flow outside, thereby prevents the explosion.

Drawings

Fig. 1 is a schematic cross-sectional view of the present invention;

fig. 2 is a schematic sectional view of the explosion-proof device of the present invention.

Reference numerals: 1. a housing; 11. a capacitor core; 12. an insulating layer; 13. an exhaust hole; 14. an annular groove; 2. adjusting the bag; 21. a deformation layer; 22. a gas; 3. a partition plate; 31. opening a hole; 4. a slide bar; 41. a contact block; 5. a return spring; 6. a limiting block; 7. infrared pair of tubes.

Detailed Description

As shown with reference to figures 1 to 2,

the utility model provides an explosion-proof power capacitor of flood discharge type, including casing 1, be provided with the electric capacity core 11 that holds the electric charge in casing 1, be provided with the exhaust hole 13 of air feed circulation on casing 1, be provided with explosion-proof equipment in the casing 1, still be provided with the baffle with electric capacity core 11 and explosion-proof equipment separated in the casing 1, explosion-proof equipment is including adjusting package 2, baffle 3, slide bar 4 and the piece that resets, 2 volumes of adjusting package expand with heat and contract with cold along with the temperature variation, baffle 3 and casing 1 fixed connection, be provided with on the baffle 3 with the coaxial trompil 31 that sets up in exhaust hole 13, trompil 31 on the baffle 3 is passed to slide bar 4 one end is used for contacting with adjusting package 2, be provided with the stopper 6 that seals exhaust hole 13 on the other end, the piece one end that resets is. Through being provided with exhaust hole 13 and explosion-proof equipment for when the temperature rose, adjustment package 2 volume expansion promoted slide bar 4 and passed the trompil 31 removal on the baffle 3, and reset spring 5 is tensile, and stopper 6 moves to the outside and makes exhaust hole 13 be in the open mode, makes high-temperature gas flow direction outside, thereby prevents the explosion.

One end of the sliding rod 4, which is in contact with the adjusting bag 2, is provided with a contact block 41. The contact block 41 is provided so that the adjustment bag 2 is cushioned against wear when it comes into contact with the slide bar 4 when it is expanded.

The contact block 41 is shaped like a trumpet towards the conditioning pack 2. The shape is arranged to be trumpet-shaped, so that the volume change of the adjusting bag 2 is more easily accepted, and the sensitivity of the explosion-proof device is improved.

The reset piece is a telescopic reset spring 5, and the reset spring 5 surrounds the outer surface of the sliding rod 4. The reset spring 5 surrounding the outer surface of the sliding rod 4 is arranged, so that high-temperature gas can flow out, the temperature is reduced, the limiting block 6 is driven to reset, and the effect of repeated use is achieved.

An annular groove 14 communicated with the exhaust hole 13 is formed in the outer wall of the shell 1, and the annular groove 14 is clamped with the limiting block 6. Be provided with annular groove 14 and stopper 6 looks block and join in marriage, spacing stopper 6, prevent that stopper 6 from taking place the skew in the use, when reseing, keep the stopper to the sealed effect of exhaust hole 13.

The exhaust holes 13 are formed on the outer walls of both sides of the case 1. The exhaust holes 13 are formed in the outer walls of the two sides of the housing 1 to facilitate the high-temperature gas to flow out of the housing 1.

The conditioning pack 2 comprises a deformable deformation layer 21 and a gas 22 arranged in the deformation layer 21, wherein the gas 22 expands with heat and contracts with cold along with the temperature change. The gas 22 expands with heat and contracts with cold to bring the deformation layer 21 into contact with the contact block 41.

Preferably, the gas 22 is normal carbon dioxide. The carbon dioxide is obviously affected by thermal expansion and cold contraction, and the using effect is improved.

The capacitor core 11 is wrapped with an insulating layer 12. An insulating layer 12 is provided to prevent the capacitive core 11 from conducting electricity to the housing 1.

The outer side of the shell 1 is provided with an infrared pair transistor 7 for detecting the displacement of the limiting block 6, and the infrared pair transistor 7 is connected with a human-computer interface. Infrared geminate transistors 7 are arranged on the two sides of the outer wall of the shell 1, located on the exhaust hole 13, and the infrared geminate transistors 7 detect that the limiting block 6 extends out of the exhaust hole 13, transmit signals of the limiting block 6 to a human-computer interface, so that danger can be found timely.

The utility model discloses during the use, the medium suffers to puncture and makes the temperature rise in the electric capacity core 11, and gas 22 inflation drives deformation layer 21 and exerts pressure to loudspeaker form contact piece 41, makes the sliding block that passes baffle 3 move to the outside, and reset spring 5 is tensile, and stopper 6 moves outwards makes exhaust hole 13 be in the state of opening, and high temperature gas is from exhaust hole 13 discharge casing 1, and infrared geminate transistors 7 detects 6 removal of stopper and send signal to human-computer interface simultaneously. After the temperature drops, the gas 22 is cooled and retracted, the deformation layer 21 recovers deformation, the reset spring 5 rebounds to drive the sliding rod 4 and the limiting block 6 to reset, and the limiting block 6 is clamped with the annular groove 14 to finish the use process.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides an explosion-proof power capacitor of flood discharge type, including casing (1), be provided with electric capacity core (11) that hold electric charge in casing (1), characterized by: the shell (1) is provided with an exhaust hole (13) for air circulation, an explosion-proof device is arranged in the shell (1), a baffle plate for separating the capacitor core (11) from the explosion-proof device is also arranged in the shell (1), the explosion-proof device comprises an adjusting bag (2), a clapboard (3), a sliding rod (4) and a reset piece, the volume of the adjusting bag (2) expands with heat and contracts with cold along with the change of temperature, the clapboard (3) is fixedly connected with the shell (1), the clapboard (3) is provided with an opening (31) which is coaxial with the exhaust hole (13), one end of the sliding rod (4) penetrates through an opening (31) on the clapboard (3) and is used for being contacted with the adjusting bag (2), the other end is provided with a limiting block (6) for sealing the exhaust hole (13), one end of the reset piece is connected with the limiting block (6), and the other end of the reset piece is connected with the partition plate (3).

2. A flood discharge type explosion-proof power capacitor according to claim 1, characterized in that: and a contact block (41) is arranged at one end of the sliding rod (4) which is in contact with the adjusting bag (2).

3. A flood discharge type explosion-proof power capacitor according to claim 2, characterized in that: the contact block (41) is trumpet-shaped towards the direction of the adjusting bag (2).

4. A flood discharge type explosion-proof power capacitor according to claim 1, characterized in that: the reset piece is a telescopic reset spring (5), and the reset spring (5) surrounds the outer surface of the sliding rod (4).

5. A flood discharge type explosion-proof power capacitor according to claim 1, characterized in that: the outer wall of the shell (1) is provided with an annular groove (14) communicated with the exhaust hole (13), and the annular groove (14) is matched with the limiting block (6) in a clamping manner.

6. A flood discharge type explosion-proof power capacitor according to claim 1, characterized in that: the exhaust holes (13) are positioned on the outer walls of the two sides of the shell (1).

7. A flood discharge type explosion-proof power capacitor according to claim 1, characterized in that: the adjusting bag (2) comprises a deformable deformation layer (21) and gas (22) located in the deformation layer (21), wherein the gas (22) expands with heat and contracts with cold along with temperature change.

8. A flood discharge type explosion-proof power capacitor according to claim 7, wherein: the gas (22) is normal carbon dioxide.

9. A flood discharge type explosion-proof power capacitor according to claim 1, characterized in that: and the outer side of the capacitor core (11) is wrapped with an insulating layer (12).

10. A flood discharge type explosion-proof power capacitor according to claim 1, characterized in that: the infrared pair transistors (7) for detecting the displacement of the limiting block (6) are arranged on the outer side of the shell (1), and the infrared pair transistors (7) are connected with a human-computer interface.

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