CN220510609U - Novel high-voltage switch cabinet pressure relief device for box-type transformer substation - Google Patents

Abstract

The utility model discloses a novel high-voltage switch cabinet pressure relief device for a box-type transformer substation, which comprises a transformer substation box body, wherein a high-voltage switch cabinet main body is arranged in the transformer substation box body, a pressure relief opening is formed in one side, close to the high-voltage switch cabinet main body, of the transformer substation box body, the pressure relief opening is hinged to a pressure relief door, and a wind scooper is arranged outside the pressure relief door. According to the utility model, the electromagnet, the pressure release door and the buzzer are matched with each other, and the electromagnet is in magnetic attraction with the outer wall of the box body, so that the pressure release threshold value of the box-type transformer substation can be conveniently adjusted, when a bus chamber, a cable chamber or a breaker chamber in the high-voltage switch cabinet breaks down and the pressure reaches the threshold value along with the action of high-voltage gas, the pressure release door can be opened to release pressure, the high-voltage switch cabinet is conveniently protected from further damage, meanwhile, the pressure release device is convenient for resetting and recycling, accessories are not required to be replaced, and the operation is more convenient and simple.

Description

Novel high-voltage switch cabinet pressure relief device for box-type transformer substation

Technical Field

The utility model relates to the technical field of box-type substations, in particular to a novel high-voltage switch cabinet pressure relief device for a box-type substation.

Background

The box-type substation is called a preassembled substation or a preassembled substation. The transformer is assembled with functions of voltage reduction, low-voltage distribution and the like, and is installed in a movable steel structure box which is dampproof, rust-proof, dustproof, rat-proof, fireproof, antitheft, heat-insulating, totally-enclosed, and is especially suitable for urban network construction and transformation, and is a brand-new transformer station which rises after a civil engineering transformer station. The high-voltage switch cabinet is used for power generation, power transmission, power distribution, electric energy conversion and consumption of a power system and has the functions of on-off, control or protection.

Novel high tension switchgear pressure release device of box-type substation on the market at present adopts steel screw and the nylon screw of different materials as the sealing element of pressure release mouth, and when pressure overload, the nylon screw damages and can carry out the pressure release, and this pressure release device is after the pressure release, needs to change and supply damaging the accessory, inconvenient circulation uses.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The utility model aims to provide a novel high-voltage switch cabinet pressure relief device for a box-type transformer substation, which is convenient to reset and recycle, does not need to replace accessories, and is more convenient and simple to operate.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

the utility model provides a novel high tension switchgear pressure relief device for box-type substation, includes the transformer substation box, the inside high tension switchgear main part that is provided with of transformer substation box, the pressure release mouth has been seted up to one side that the transformer substation box is close to the high tension switchgear main part, pressure release mouth hinged joint has the relief door, the relief door outside is provided with the wind scooper, transformer substation box is close to pressure release mouth bottom department embedding fixedly connected with electro-magnet, wind scooper and the relative one side fixedly connected with spacing of pressure release mouth, the inside sliding connection of spacing has bee calling organ, bee calling organ tip fixedly connected with trigger switch.

As a preferred scheme for the novel high-voltage switch cabinet pressure relief device for the box-type transformer substation, the wind scooper is fixedly connected with the outer side wall of the transformer substation box body, the top of the wind scooper is obliquely arranged, and the pressure air is prevented from being directly sprayed out through the limiting function of the wind scooper to play a role in buffering.

As a preferred scheme of the novel high-voltage switch cabinet pressure relief device for the box-type transformer substation, one side, close to the pressure relief opening, of the pressure relief door is fixedly connected with a sealing rubber strip, the sealing rubber strip is tightly attached to the inner side wall of the pressure relief opening, so that the air tightness of the pressure relief opening in a normal state is conveniently ensured, and dust is reduced from entering the box body.

As a preferred scheme of the novel high-voltage switch cabinet pressure relief device for the box-type transformer substation, the bottom of one side, close to the pressure relief opening, of the pressure relief door is embedded and fixedly connected with the iron block, the iron block is attracted with the electromagnet through magnetic force, when the pressure in the transformer substation box exceeds the suction force provided by the electromagnet, the pressure relief door can be opened for pressure relief, and meanwhile, the opening and closing mode of the magnetic force attraction is convenient to reset and reuse, and accessories are not required to be replaced.

As a preferred scheme of the novel high-voltage switch cabinet pressure relief device for the box-type transformer substation, one side, far away from an electromagnet, of the pressure relief door is fixedly connected with a starting switch corresponding to a trigger switch, when the pressure relief door is used for pressure relief, the trigger switch is correspondingly connected with the starting switch, and a buzzer is started to give an alarm.

As a preferred scheme of the novel high-voltage switch cabinet pressure relief device for the box-type transformer substation, a spring is fixedly connected between the limiting frame and the buzzer, when the pressure relief pressure is large, the overturning angle of the pressure relief door is larger, and the spring is compressed to adapt to the overturning angle.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the electromagnet, the pressure release door and the buzzer are matched with each other, and the electromagnet is in magnetic attraction with the outer wall of the box body, so that the pressure release threshold value of the box-type transformer substation can be conveniently adjusted, when a bus chamber, a cable chamber or a breaker chamber in the high-voltage switch cabinet breaks down and the pressure reaches the threshold value along with the action of high-voltage gas, the pressure release door can be opened to release pressure, the high-voltage switch cabinet is conveniently protected from further damage, meanwhile, the pressure release device is convenient for resetting and recycling, accessories are not required to be replaced, and the operation is more convenient and simple.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description will be given with reference to the accompanying drawings and detailed embodiments, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive faculty for a person skilled in the art. Wherein:

FIG. 1 is a schematic view of the appearance of a novel high-voltage switchgear pressure relief device for a box-type substation;

fig. 2 is a schematic diagram of the internal structure of a transformer substation box body of the novel high-voltage switch cabinet pressure relief device for the box-type transformer substation;

FIG. 3 is an enlarged view of FIG. 2 at A;

fig. 4 is a schematic diagram of a pressure release door of the pressure release device for a novel high-voltage switch cabinet of a box-type substation.

Legend description: 1. a substation box; 2. a high voltage switchgear main body; 3. a pressure relief port; 4. a wind scooper; 5. a pressure relief door; 6. a sealing rubber strip; 7. an electromagnet; 8. iron blocks; 9. a limiting frame; 10. a buzzer; 11. triggering a switch; 12. the switch is activated.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1-4, the utility model provides a novel high-voltage switch cabinet pressure relief device for a box-type transformer substation, which comprises a transformer substation box body 1, wherein a high-voltage switch cabinet main body 2 is arranged in the transformer substation box body 1, a pressure relief opening 3 is formed in one side, close to the high-voltage switch cabinet main body 2, of the transformer substation box body 1, a pressure relief door 5 is hinged to the pressure relief opening 3, a wind scooper 4 is arranged outside the pressure relief door 5, an electromagnet 7 is fixedly connected to the bottom, close to the pressure relief opening 3, of the transformer substation box body 1 in an embedded manner, a limiting frame 9 is fixedly connected to one side, opposite to the pressure relief opening 3, of the wind scooper 4, a buzzer 10 is connected to the inside of the limiting frame 9 in a sliding manner, and a trigger switch 11 is fixedly connected to the end part of the buzzer 10.

Referring to fig. 1 and 2 again, in order to avoid the direct ejection of the pressure air flow in the box, specifically, the wind scooper 4 is fixedly connected with the outer side wall of the substation box 1, and the top of the wind scooper 4 is obliquely arranged, and plays a role of buffering through the limiting function of the wind scooper 4.

Please refer to fig. 2 and fig. 3 again, in order to be convenient for reduce the dust and get into in the box, specifically, the side that pressure release door 5 is close to pressure release mouth 3 fixedly connected with joint strip 6, joint strip 6 closely laminates with pressure release mouth 3 inside wall, is convenient for guarantee the gas tightness under the normal condition of pressure release mouth 3.

Please refer to fig. 3 and fig. 4 again, in order to be convenient for adjust the threshold value that pressure in the box opened relief door 5, be convenient for reset and used repeatedly simultaneously, specifically, the one side bottom embedding fixedly connected with iron plate 8 that relief door 5 is close to pressure relief mouth 3, iron plate 8 passes through magnetic force actuation with electro-magnet 7, when the pressure in transformer substation's box 1 exceeds the suction that electro-magnet 7 provided, can open relief door 5 and carry out the pressure release.

Referring to fig. 3 again, in order to facilitate starting the buzzer 10 to send out an alarm, specifically, a side of the pressure release door 5 away from the electromagnet 7 is fixedly connected with a start switch 12 corresponding to the trigger switch 11, and when the pressure release door 5 releases pressure, the pressure release door is turned over, and at this time, the trigger switch 11 is correspondingly turned on with the start switch 12.

Referring to fig. 3 again, in order to adapt to the turning angle of the pressure relief door 5, specifically, a spring (not shown in the figure) is fixedly connected between the limiting frame 9 and the buzzer 10, when the pressure relief pressure is large, the turning angle of the pressure relief door 5 is larger, and the spring is compressed to adapt to the turning angle.

When the automatic pressure release switch is specifically used, firstly, the electromagnet 7 and the buzzer 10 are connected with an external power supply, and when the high-voltage switch cabinet main body 2 works normally, the electromagnet 7 and the pressure release door 5 are attracted through magnetic force, and at the moment, the trigger switch 11 and the starting switch 12 on the buzzer 10 are in a separated state.

When a bus chamber, a cable chamber or a breaker chamber in the high-voltage switch cabinet main body 2 breaks down and is accompanied by high-voltage gas action, and the pressure reaches a certain value (according to the external environment pressure specification of the high-voltage switch cabinet, the protection pressure is more than 1.3 times of the standard requirement, the magnetic force of the electromagnet 7 can be adjusted in advance to be more than the value), the attraction force provided by the electromagnet 7 is larger than the attraction force provided by the electromagnet 7, namely, the pressure release door 5 and the electromagnet 7 are opened, at the moment, the air flow can be discharged out of the transformer substation box body 1 through the pressure release opening 3 and the air guide cover 4, the pressure release door 5 is overturned to enable the starting switch 12 at the back of the pressure release door to be in contact with the trigger switch 11, so that the buzzer 10 is started to give an alarm, and a worker can conveniently find a problem in time to process.

After the treatment is finished, the buzzer 10 is closed, and the electromagnet 7 is sucked with the pressure release door 5 again under the action of gravity, so that the pressure release protection effect is realized. The pressure relief device can be repeatedly used, accessories are not required to be replaced, and the pressure relief device is convenient to operate and reset.

The high-voltage switch cabinet main body 2 in the device comprises a bus bar chamber, a cable chamber and a breaker chamber, which are the prior art and are not described in detail herein.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. The utility model provides a novel high tension switchgear pressure release device for box-type substation, includes transformer substation's box (1), its characterized in that, transformer substation's box (1) inside is provided with high tension switchgear main part (2), transformer substation's box (1) is close to one side of high tension switchgear main part (2) and has seted up pressure release mouth (3), pressure release mouth (3) hinged joint has relief door (5), pressure release door (5) outside is provided with wind scooper (4), transformer substation's box (1) is close to pressure release mouth (3) bottom department embedding fixedly connected with electro-magnet (7), one side fixedly connected with spacing (9) that wind scooper (4) are relative with pressure release mouth (3), the inside sliding connection of spacing (9) has bee calling organ (10), bee calling organ (10) end fixedly connected with trigger switch (11).

2. The novel high-voltage switch cabinet pressure relief device for the box-type transformer substation is characterized in that the wind scooper (4) is fixedly connected with the outer side wall of the transformer substation box body (1), and the top of the wind scooper (4) is obliquely arranged.

3. The novel high-voltage switch cabinet pressure relief device for the box-type transformer substation is characterized in that a sealing rubber strip (6) is fixedly connected to one side, close to a pressure relief opening (3), of the pressure relief door (5), and the sealing rubber strip (6) is tightly attached to the inner side wall of the pressure relief opening (3).

4. The novel high-voltage switch cabinet pressure relief device for the box-type transformer substation according to claim 1, wherein an iron block (8) is fixedly connected to the bottom of one side of the pressure relief door (5) close to the pressure relief opening (3), and the iron block (8) and an electromagnet (7) are attracted through magnetic force.

5. The novel high-voltage switch cabinet pressure relief device for the box-type substation according to claim 1 is characterized in that a starting switch (12) corresponding to a trigger switch (11) is fixedly connected to one side, away from an electromagnet (7), of the pressure relief door (5).

6. The novel high-voltage switch cabinet pressure relief device for the box-type substation according to claim 1 is characterized in that a spring is fixedly connected between the limiting frame (9) and the buzzer (10).