CN219086620U

CN219086620U - Bus PT cabinet with gas tank pressure release mechanism

Info

Publication number: CN219086620U
Application number: CN202223293628.4U
Authority: CN
Inventors: 金挺; 任向东
Original assignee: Fujian Yuneng Electric Complete Equipment Co ltd
Current assignee: Fujian Yuneng Electric Complete Equipment Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-05-26
Anticipated expiration: 2032-12-08

Abstract

The utility model relates to the technical field of electrical cabinets, in particular to a bus PT cabinet with a gas tank pressure release mechanism, which comprises a main body, wherein the bottom of the main body is provided with the pressure release mechanism, the pressure release mechanism comprises a pressure release hole formed in the bottom of the main body, a support column is rotatably arranged in the pressure release hole, the outer surface of the support column is fixedly provided with a pressure release plate, a torsion spring is arranged between the pressure release plate and the pressure release hole, a ventilation mechanism is arranged in the pressure release plate, and a torsion spring is arranged between the pressure release plate and the pressure release hole. According to the utility model, ventilation in daily use is ensured through the ventilation mechanism on the pressure release plate, and when the internal air pressure is large, the ventilation mechanism is closed, so that the force of pushing the pressure release plate by the atmospheric pressure is increased, the pressure release hole is punched to release pressure, the reaction speed of the pressure release mechanism in pressure release is improved, and the damage caused by the fault of the internal voltage transformer is reduced.

Description

Bus PT cabinet with gas tank pressure release mechanism

Technical Field

The utility model relates to the technical field of electrical cabinets, in particular to a bus PT cabinet with a gas tank pressure release mechanism.

Background

PT cabinet refers to voltage transformer cabinet, generally directly install on the generating line to detect generating line voltage and realize protect function, inside main installation voltage transformer PT, keep apart sword, fuse and arrester etc. voltage transformer is because the switch-on current is great, so safety during its use is particularly important, when voltage transformer inside breaks down, in order to reduce the harm that the explosion produced, people can set up gas tank and relief valve in voltage transformer cabinet's inside to aim at the cable pit of voltage transformer cabinet bottom with the pressure release hole, make the inside of high-pressure gas quilt let in the cable pit.

In the use process of the existing bus PT cabinet with the air box pressure release mechanism, the pressure release sealing plate on the pressure release hole is always broken through air pressure to finish pressure release operation, but in order to ensure normal ventilation during use, the pressure release sealing plate is further provided with an air vent, so that the pressure release sealing plate is not high in initial stress degree, and the pressure release sealing plate cannot be broken rapidly to release pressure.

For this purpose, a busbar PT cabinet with a gas tank pressure release mechanism is proposed.

Disclosure of Invention

The utility model aims to provide a bus PT cabinet with a gas tank pressure relief mechanism, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a generating line PT cabinet with gas tank release mechanism, includes the host computer body, release mechanism is installed to the bottom of host computer body, release mechanism is including seting up in the pressure release hole of host computer bottom, the support column is installed in the inside rotation in pressure release hole, the surface mounting of support column has the relief pressure board, be equipped with the torsional spring between relief pressure board and the pressure release hole, the internally mounted of relief pressure board has ventilation mechanism, ventilation mechanism is including running through the air vent of seting up in the relief pressure board top, a plurality of spliced pole are installed in the internal rotation of air vent, the surface mounting of spliced pole has the closure plate.

Preferably, the sliding groove is formed in the top of the pressure release plate, one end of the rotating column extends to the inside of the sliding groove, and a gear is fixedly mounted at one end of the rotating column.

Preferably, a sliding bar is slidably mounted in the sliding groove, the top of the sliding bar extends to the outside of the sliding groove, a rack is fixedly mounted at the bottom of the sliding bar, and the gear is meshed with the rack.

Preferably, the top of the pressure relief plate is fixedly provided with a fixed block, one side of the sliding bar, which is close to the fixed block, is fixedly provided with a spring, and one side of the spring is fixedly connected with the fixed block.

Preferably, an inner permanent magnet is fixedly arranged on the other side of the sliding bar, and an outer permanent magnet which is magnetically attracted with the inner permanent magnet is fixedly arranged at the bottom of the inner part of the main body.

Preferably, the opposite sides of the outer permanent magnet and the inner permanent magnet are connected with each other through magnetic attraction between different magnetic poles, and the bottom of the outer permanent magnet is movably connected with the top of the pressure release plate.

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

through the ventilation mechanism on the relief pressure board, guarantee ventilation when daily use, and when inside atmospheric pressure is great, ventilation mechanism can close to the dynamics of atmospheric pressure promotion relief pressure board makes the relief hole by dashing out to accomplish the pressure release, has improved the reaction rate of relief mechanism when the pressure release, reduces the damage that should inside voltage transformer trouble and cause.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

fig. 3 is a schematic longitudinal section of the internal structure of the present utility model.

In the figure: 1. a main body; 2. a pressure release mechanism; 3. a pressure relief hole; 4. a support column; 5. a pressure relief plate; 6. a torsion spring; 7. a ventilation mechanism; 8. a vent hole; 9. rotating the column; 10. a closing plate; 11. a sliding groove; 12. a gear; 13. a sliding bar; 14. a rack; 15. a fixed block; 16. a spring; 17. an inner permanent magnet; 18. an outer permanent magnet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 3, the utility model provides a bus PT cabinet with a gas tank pressure release mechanism, which has the following technical scheme:

the utility model provides a generating line PT cabinet with gas tank release mechanism, including host computer body 1, when host computer body 1 is installed, its installation ground bottom is provided with the cable pit for place the cable, pressure release mechanism 2 is installed to the bottom of host computer body 1, pressure release mechanism 2 is including seting up in the pressure release hole 3 of host computer body 1 bottom, the inside rotation in pressure release hole 3 is installed support column 4, the surface fixed mounting of support column 4 has pressure release board 5, be equipped with torsional spring 6 between pressure release board 5 and the pressure release hole 3, the internally mounted of pressure release board 5 has ventilation mechanism 7, ventilation mechanism 7 is including running through the air vent 8 of seting up in pressure release board 5 top, a plurality of rotation post 9 are installed in the inside rotation of air vent 8, the surface fixed mounting of rotation post 9 has closure plate 10;

in the initial state, the closing plate 10 is at an inclined angle, the torsion spring 6 enables the pressure release plate 5 to close the pressure release hole 3, and at the moment, the closing plate 10 opens the vent hole 8, so that in the daily use process, internal air flows into the cable trench at the bottom through the vent hole 8.

As an embodiment of the present utility model, referring to fig. 3, a sliding groove 11 is opened at the top of the pressure release plate 5, one end of a rotating column 9 extends into the sliding groove 11, a gear 12 is fixedly installed at one end of the rotating column 9, a sliding bar 13 is slidingly installed in the sliding groove 11, the top of the sliding bar 13 extends to the outside of the sliding groove 11, a rack 14 is fixedly installed at the bottom of the sliding bar 13, the gear 12 is meshed with the rack 14, a fixed block 15 is fixedly installed at the top of the pressure release plate 5, a spring 16 is fixedly installed at one side of the sliding bar 13 close to the fixed block 15, the spring 16 is in an initial state in a stretched state, one side of the spring 16 is fixedly connected with the fixed block 15, an inner permanent magnet 17 is fixedly installed at the other side of the sliding bar 13, an outer permanent magnet 18 magnetically attracted with the inner permanent magnet 17 is fixedly installed at the bottom of the inside of the main body 1, one side opposite to the outer permanent magnet 18 is connected with the top of the pressure release plate 5 through magnetic attraction force between different magnetic poles;

the gas in the gas box is decompressed through the air release valve, the high-pressure gas can blow the decompression plate 5 open, the outer permanent magnet 18 and the inner permanent magnet 17 are staggered, the sliding bar 13 is pulled to the fixed block 15 under the tension of the spring 16, the rack 14 at the bottom of the sliding bar 13 drives the gear 12 to rotate, so that the rotating column 9 and the upper closing plate 10 rotate, the closing plate 10 closes the vent hole 8, after the vent hole 8 is closed, the stress of the gas on the decompression plate 5 is increased, the decompression plate 5 rotates by taking the rotating column 9 as the center of a circle, and the decompression hole 3 is completely opened.

Working principle: in the initial state, the torsion spring 6 supports the pressure release plate 5 on the outer permanent magnet 18, the magnetic poles on one side of the outer permanent magnet 18 opposite to the inner permanent magnet 17 are opposite, so the outer permanent magnet 18 attracts the inner permanent magnet 17 towards the outer permanent magnet 18, and meanwhile, the closing plate 10 is in an inclined angle, so that the vent hole 8 is opened by the closing plate 10, in the daily use process, internal air flows into a cable trench at the bottom through the vent hole 8, when overload, short circuit, thunder, grounding and combustion occur on a load switch in the internal air box, namely, an accident of heating the air box occurs, the pressure of the air box rises along with the load switch, and when the pressure is higher than the opening pressure of the air release valve on the air box, namely, the pressure is higher than 0.25MPa, the air in the air box is released through the air release valve, the high-pressure air can wash the pressure release plate 5 to open a part, the outer permanent magnet 18 and the inner permanent magnet 17 are staggered, the sliding bar 13 is pulled to the fixed block 15 under the pulling force of the spring 16, the rack 14 at the bottom of the sliding bar 13 drives the gear 12 to rotate, so that the rotating column 9 and the closing plate 10 rotate, so that the vent hole 8 is closed by the closing plate 10, and the vent hole 5, after the load switch in the internal air box, the air box is closed, the pressure is opened, the vent hole 5 is completely, and the pressure is completely released through the cable hole 3, and the pressure release hole is avoided, and the pressure is completely released, and the pressure release hole is opened by the pressure hole.

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

Claims

1. Bus PT cabinet with gas tank release mechanism, including host computer body (1), its characterized in that: the pressure release mechanism (2) is installed to the bottom of host computer body (1), pressure release mechanism (2) are including seting up in pressure release hole (3) of host computer body (1) bottom, support column (4) are installed in the inside rotation of pressure release hole (3), the surface fixed mounting of support column (4) has pressure release board (5), be equipped with torsional spring (6) between pressure release board (5) and pressure release hole (3), the internally mounted of pressure release board (5) has ventilation mechanism (7), ventilation mechanism (7) are including running through and seting up in air vent (8) at pressure release board (5) top, a plurality of rotation post (9) are installed in the inside rotation of air vent (8), the surface fixed mounting of rotation post (9) has closure board (10).

2. A busbar PT cabinet with a gas box pressure relief mechanism as claimed in claim 1, wherein: the top of pressure release board (5) has seted up sliding tray (11), rotate the inside that post (9) one end extended to sliding tray (11), rotate the one end fixed mounting of post (9) and have gear (12).

3. A busbar PT cabinet with a gas box pressure relief mechanism as claimed in claim 2, wherein: the inside slidable mounting of sliding tray (11) has slider (13), the top of slider (13) extends to the outside of sliding tray (11), the bottom fixed mounting of slider (13) has rack (14), mesh between gear (12) and rack (14).

4. A busbar PT cabinet with a gas box pressure relief mechanism as claimed in claim 3, wherein: the top fixed mounting of pressure release board (5) has fixed block (15), one side that slider (13) are close to fixed block (15) fixed mounting has spring (16), fixed connection between one side and fixed block (15) of spring (16).

5. A busbar PT cabinet with a gas box pressure relief mechanism as claimed in claim 3, wherein: an inner permanent magnet (17) is fixedly arranged on the other side of the sliding strip (13), and an outer permanent magnet (18) which is magnetically attracted with the inner permanent magnet (17) is fixedly arranged at the bottom of the inside of the main body (1).

6. The bus PT cabinet with air box pressure release mechanism of claim 5, wherein: the opposite sides of the outer permanent magnet (18) and the inner permanent magnet (17) are connected with each other through magnetic adsorption forces between different magnetic poles, and the bottom of the outer permanent magnet (18) is movably connected with the top of the pressure release plate (5).