CN210608275U

CN210608275U - Small-sized metal switch cabinet

Info

Publication number: CN210608275U
Application number: CN201921691987.0U
Authority: CN
Inventors: 左建新; 李同山
Original assignee: Huadian High Tech Electric Technology Co ltd
Current assignee: Huadian High Tech Electric Technology Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-05-22
Anticipated expiration: 2029-10-10

Abstract

The utility model relates to a small-size metal switch cabinet, it includes the cabinet body, the cabinet is internal from top to bottom cuts apart into independent generating line room, circuit breaker handcart room and cable room in proper order through layer baffle, the generating line room is equipped with the instrument room through erecting the baffle partition at the front end of the cabinet body, the top of the cabinet body is equipped with first pressure release mouth in the generating line room top, circuit breaker handcart room is equipped with the through hole in the rear end of the layer baffle adjacent with the generating line room, just the top of the cabinet body is relative through hole department is equipped with second pressure release mouth, all be equipped with pressure relief device on first pressure release mouth and the second pressure release mouth. The utility model discloses general bus-bar room, circuit breaker handcart room and cable room are separated for independent cavity, and bus-bar room and circuit breaker handcart room all design have the pressure release mouth, when having guaranteed the indoor production electric arc of circuit breaker handcart that is located bus-bar room below, can carry out the pressure release alone, have prevented the influence to the bus-bar room, have guaranteed the safe operation nature of the whole cabinet body.

Description

Small-sized metal switch cabinet

Technical Field

The utility model relates to a distribution equipment technical field especially relates to a small-size metal switch cabinet.

Background

As a power distribution device for receiving and distributing electric energy, the metal switch cabinet is widely applied to places such as power distribution of industrial and mining enterprises and transformation substations in power systems. The existing metal switch cabinet has the defects of large volume, large occupied space and the like, a pressure release channel is not designed in the body of part of the cabinet body, and once internal faults occur, the safety of peripheral personnel is easily endangered, and potential safety hazards exist.

Patent numbers: CN206135260U, the inside of its bus bar room, circuit breaker handcart room and cable room is link up, and the mode of pushing down of the whole cabinet body is one or more pressure release mouths at cabinet body top, and this kind of structure can cause the influence to the bus bar room when locating the inside electric arc that produces of circuit breaker handcart room below the bus bar room, is unfavorable for the safe operation of the cabinet body.

SUMMERY OF THE UTILITY MODEL

The utility model provides a small-size metal switch cabinet that design is more reasonable, small, the occupation of land space is little to prior art not enough.

The utility model provides a technical scheme that its technical problem adopted is: the small-size metal switch cabinet includes the cabinet body, divide into independent bus-bar room, circuit breaker handcart room and cable room through layer baffle from top to bottom in proper order in the cabinet body, the bus-bar room separates through erecting the baffle at the front end of the cabinet body and is equipped with the instrument room, the top of the cabinet body is equipped with first pressure release mouth in bus-bar room top, circuit breaker handcart room is equipped with the through opening in the rear end of the layer baffle adjacent with the bus-bar room, just the top of the cabinet body is relative through opening department is equipped with second pressure release mouth, all be equipped with pressure relief device on first pressure release mouth and the second pressure release mouth.

The utility model provides a small-size metal switch cabinet's a preferred embodiment, the generating line room is in be equipped with the space bar between through hole and the second pressure release mouth, the one end screw fixed connection of space bar the through hole one side of layer baffle, other end screw fixed connection installation piece, installation piece fixed mounting in one side of second pressure release mouth.

The utility model provides a small-size metal switch cabinet in a preferred embodiment, pressure relief device includes frame and apron, the frame is enclosed to close by front bezel, back plate and both sides board and forms, the frame is located through the screw cover first pressure release mouth and second pressure release mouth, the size of apron is not less than the open-top's of frame size, just the hinge is passed through with the one end of frame to the one end of apron and is articulated, the other end overlap joint in the other end of frame.

The utility model provides a small-size metal switch cabinet's a preferred embodiment, the apron inlays with the bottom of the lapped one end of frame type frame and is equipped with 1 at least permanent magnet, the frame type frame is relative the permanent magnet department of apron also is equipped with 1 at least permanent magnet, the permanent magnet of apron and the permanent magnet actuation on the frame type frame mutually.

In a preferred embodiment of the small-sized metal switch cabinet, the cover plate and the frame are made of non-metal material.

In a preferred embodiment of the small metal switch cabinet, the front plate and/or the rear plate and/or the side plate of the frame are provided with a plurality of strip-shaped exhaust ports arranged side by side.

The utility model provides a in a preferred embodiment of small-size metal switch cabinet, establish to the ventilated type bottom plate the bottom plate of the cabinet body, the below of bottom plate is equipped with the base, the frame-type structure that the base formed for the channel-section steel combination, the bottom of frame and all cladding panel all around, the top of base and the bottom plate fixed connection of the cabinet body.

The utility model provides a in a preferred embodiment of small-size metal switch cabinet, be equipped with the grid plate in bar ventilation hole on the bottom plate, dustproof apron is installed through the supporting shoe in the top of bottom plate is indoor at the cable, the indoor ground connection copper bar of cable is installed in dustproof apron.

The utility model provides a small-size metal switch cabinet's a preferred embodiment, the base still is equipped with the vent in the preceding, the back both sides of the cabinet body, be equipped with the dust screen on the vent.

In a preferred embodiment of the small-sized metal switch cabinet, the cabinet body is a rectangular vertical structure with a width of 450 mm.

Compared with the prior art, the utility model provides a small-size metal switch cabinet's beneficial effect is:

the bus chamber, the circuit breaker handcart chamber and the cable chamber are separated into independent chambers, and the bus chamber and the circuit breaker handcart chamber are respectively provided with a pressure relief opening, so that when electric arcs are generated in the circuit breaker handcart chamber below the bus chamber, the pressure can be independently relieved, the influence on the bus chamber is prevented, and the safety operability of the whole cabinet body is ensured;

the pressure relief device with the pressure relief opening can perform air exhaust and pressure relief through the air exhaust opening in the frame type frame of the pressure relief device when the cabinet body is under a small pressure due to electric arcs generated in the cabinet body, can flush the permanent magnet attracted by the cover plate and the frame type frame when the pressure is high, enables the cover plate to be separated from the frame type frame, realizes pressure relief, and can set the attraction degree of the cover plate and the frame type frame through the number of the rotary permanent magnets, so that the cover plate can be flushed by the pressure within a certain range in the cabinet body.

Thirdly, the bottom plate of the cabinet body is designed to be of a grid plate structure, and the bottom of the cabinet body is provided with a base, so that the pressure relief of the cable chamber is realized;

fourthly, the width of the cabinet body is set to be 450mm, the size is small, and the occupied area is small.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic structural diagram of a small-sized metal switch cabinet provided by the present invention;

fig. 2 is a partial enlarged view at I provided in fig. 1.

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 efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the small-sized metal switch cabinet comprises a cabinet body 1, the cabinet body 1 is sequentially divided into an independent bus chamber 11, a breaker handcart chamber 12 and a cable chamber 13 from top to bottom through a layer of partition plate 20, and the bus chamber 11 is provided with an instrument chamber 14 at the front end of the cabinet body through a vertical partition plate 30; generally, devices such as a bus 40 and a static contact device 41 are installed in the bus chamber 11; a circuit breaker 42 is installed in the circuit breaker handcart chamber 12, and the circuit breaker in the embodiment adopts a side-mounted vacuum circuit breaker; the cable chamber 13 is internally provided with a current transformer 43, a grounding switch 44 and other devices; a relay protection element, an instrument, a live monitoring indicator and various secondary devices are arranged in the instrument room 14; the installation of the above-mentioned devices in the bus bar room, the handcart room of the circuit breaker, the cable room and the instrument room is the prior art and will not be described herein too much.

The key of the embodiment is as follows: the top of the cabinet body 1 is equipped with first pressure release mouth 15 above bus-bar room 11, circuit breaker handcart-room 12 is equipped with through-hole 202 at the rear end of the layer baffle 20 adjacent with bus-bar room 11, just the top of the cabinet body 1 is relative through-hole 202 department is equipped with second pressure release mouth 16, all be equipped with pressure relief device 17 on first pressure release mouth 15 and the second pressure release mouth 16, carry out the pressure release to bus-bar room 11 and circuit breaker handcart-room 12 respectively through first pressure release mouth 15 and second pressure release mouth 16, improve the safe operating performance of the cabinet body, avoid bus-bar room, circuit breaker handcart-room mutual interference when inside producing electric arc.

In this embodiment, in order to isolate the bus bar room 11 from the handcart room 12 of the circuit breaker, but the maintenance of the bus bar room is not affected, in the bus bar room 11 of this embodiment, a partition plate 18 is arranged between the through hole 202 and the second pressure relief hole 16, one end of the partition plate 18 is fixedly connected with the through hole 202 side of the layer partition plate by a screw, the other end of the partition plate 18 is fixedly connected with an installation block 19 by a screw, and the installation block 19 is fixedly installed on one side of the second pressure relief hole 16. The bus chamber and the circuit breaker handcart chamber are isolated through the detachably mounted partition plate, so that the isolation effect is achieved, and the bus chamber is maintained by conveniently detaching the partition plate.

Further, referring to fig. 1 and 2, the pressure relief device 17 in the present embodiment includes a frame 171 and a cover plate 172, the frame 171 is formed by enclosing a front plate, a rear plate, and two side plates, the frame 171 is covered on the first pressure relief opening 15 and the second pressure relief opening 16 through screws, the size of the cover plate 172 is not smaller than the size of the top opening of the frame 171, one end of the cover plate 172 is hinged to one end of the frame 171 through a hinge 21, and the other end is overlapped on the other end of the frame 171.

Preferably, at least 1 permanent magnet 22 is embedded in the bottom of the overlapping end of the cover plate 172 and the frame 171, at least 1 permanent magnet is also arranged at the position of the frame 171 opposite to the permanent magnet of the cover plate 172, the permanent magnet of the cover plate 172 is attracted with the permanent magnet on the frame 171, the number of the permanent magnets in this embodiment can be selected according to design requirements, and what needs to be ensured is: the cabinet body generates pressure formed by electric arc, and the cover plate can be opened when the frame-shaped frame cannot meet the pressure relief.

Preferably, the cover plate 172 and the frame 171 are made of non-metal materials.

Preferably, a plurality of strip-shaped exhaust ports 1710 arranged side by side are arranged on the front plate and/or the rear plate and/or the side plate of the frame 171, and in this embodiment, a plurality of strip-shaped exhaust ports arranged side by side are preferably arranged on the front plate, the rear plate and the two side plates.

In this embodiment, the pressure relief device 17 can perform air exhaust and pressure relief through the air outlet 1710 of the frame 171, and when the pressure is large, the cover plate 172 attracted by the frame 171 is opened, so that the air outlet is increased, and the pressure relief is realized.

Further, the bottom plate 10 of the cabinet body 1 is a ventilating bottom plate, a base 23 is arranged below the bottom plate, the base 23 is of a frame structure formed by combining channel steel, the bottom and the periphery of the frame are all coated with panels, and the top of the base 23 is fixedly connected with the bottom plate of the cabinet body. Pressure relief of the cable chamber is achieved.

Specifically, the grid plate with the strip-shaped ventilation holes is arranged on the bottom plate 10, the dustproof cover plate 25 is installed above the bottom plate 10 in the cable chamber 13 through the supporting blocks 24, the number of the supporting blocks 24 in the embodiment is four, the supporting blocks are respectively arranged at four corners of the dustproof cover plate 25, and the grounding copper bars 45 in the cable chamber 13 are installed on the dustproof cover plate 15.

Preferably, the base 23 is further provided with ventilation openings 230 at the front and rear sides of the cabinet body, and the ventilation openings 230 are provided with dust screens 26. The base 23 enables venting of the cable compartment.

The cabinet body 1 in the embodiment adopts a rectangular vertical structure with the width of 450mm, has small volume and small occupied area, and improves the utilization rate of space.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The utility model provides a small-size metal switch cabinet, includes the cabinet body, its characterized in that: the cabinet is internal from top to bottom cuts apart into independent generating line room, circuit breaker handcart room and cable room through layer baffle in proper order, the generating line room separates through erecting the baffle at the front end of the cabinet body and is equipped with the instrument room, the top of the cabinet body is equipped with first pressure release mouth in generating line room top, circuit breaker handcart room is equipped with the through hole in the rear end of the layer baffle adjacent with the generating line room, just the top of the cabinet body is relative through hole department is equipped with second pressure release mouth, all be equipped with pressure relief device on first pressure release mouth and the second pressure release mouth.

2. A miniature metal switchgear as claimed in claim 1, wherein: the bus chamber is equipped with the space bar between through hole and the second pressure release mouth, the one end screw fixed connection of space bar the through hole one side of layer baffle, other end screw fixed connection installation piece, installation piece fixed mounting in one side of second pressure release mouth.

3. A miniature metal switchgear as claimed in claim 1, wherein: pressure relief device includes frame and apron, the frame is enclosed by front bezel, back plate and both sides board and closes and form, the frame is covered through the screw and is located first pressure release mouth and second pressure release mouth, the size of apron is not less than the open-top's of frame size, just the one end of apron is articulated through the hinge with the one end of frame, the other end overlap joint in the other end of frame.

4. A miniature metal switchgear as claimed in claim 3, wherein: the apron inlays with the bottom of the lapped one end of frame type frame and is equipped with 1 at least permanent magnet, the frame type frame is relative the permanent magnet department of apron also is equipped with 1 at least permanent magnet, the permanent magnet of apron and the permanent magnet actuation on the frame type frame mutually.

5. A miniature metal switchgear as claimed in claim 3, wherein: the cover plate and the frame are both made of non-metal materials.

6. A miniature metal switchgear as claimed in claim 3, wherein: and a plurality of strip-shaped exhaust ports arranged side by side are arranged on the front plate and/or the rear plate and/or the side plate of the frame.

7. A miniature metal switchgear as claimed in claim 1, wherein: the bottom plate of the cabinet body is designed to be a ventilation bottom plate, a base is arranged below the bottom plate, the base is of a frame type structure formed by combining channel steel, the bottom and the periphery of the frame are all coated with panels, and the top of the base is fixedly connected with the bottom plate of the cabinet body.

8. A miniature metal switchgear as claimed in claim 7, wherein: the cable chamber is characterized in that a grid plate with strip-shaped ventilation holes is arranged on the bottom plate, a dustproof cover plate is arranged above the bottom plate in the cable chamber through a supporting block, and the grounding copper bar in the cable chamber is arranged on the dustproof cover plate.

9. A miniature metal switchgear as claimed in claim 7, wherein: the base is still equipped with the vent in the front of the cabinet body, back both sides, be equipped with the dust screen on the vent.

10. The small-sized metal switch cabinet according to any one of claims 1 to 9, wherein: the cabinet body adopts a rectangular vertical structure with the width of 450 mm.