CN111834924A

CN111834924A - Plugging device

Info

Publication number: CN111834924A
Application number: CN202010601738.9A
Authority: CN
Inventors: 杨翔翼; 邵心元; 徐娟; 陈旭; 谌兆敏; 张忠勇; 郑庆梦; 戴昊; 杨振宝; 薛志成; 崔志文; 巫伟南; 陈学有; 黄云杰
Original assignee: Shenzhen Power Supply Bureau Co Ltd
Current assignee: Shenzhen Power Supply Bureau Co Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2020-10-27

Abstract

The application relates to a plugging device is applied to the cubical switchboard, plugging device includes: fire-proof layer, support piece and mounting. This application embodiment through being provided with support piece with the mounting, support piece set up in the incoming line mouth, with the flame retardant coating position is relative, in order to support the flame retardant coating effectively prevents the flame retardant coating drops because of the stickness reduces. The embodiment of the application provides plugging device has solved the relatively poor technical problem of the operation security of present cubical switchboard that exists among the prior art, has reached the improvement cubical switchboard operation security's technological effect. In addition, the fixing part is connected with the supporting part, and the supporting part is stably fixed at the wire inlet, so that the operation safety of the switch cabinet is improved by improving the stability of the supporting part.

Description

Plugging device

Technical Field

The application relates to the technical field of power equipment, in particular to a plugging device.

Background

The switch cabinet is final-stage equipment of a power distribution system and is used for controlling the on-off of a load. A plurality of cables are involved in the switch cabinet, and therefore, a plurality of wire inlets are formed in the switch cabinet, and the cables are led in or out from the wire inlets. However, in daily work, some small animals climb into the switch cabinet through the wire inlet and enter an electrified area in the cabinet, so that the switch cabinet is in failure, and accidents such as tripping of electric equipment and the like are caused. In order to prevent small animals and the like from entering the switch cabinet from the wire inlet at the bottom of the switch cabinet, the mode of blocking the wire inlet by using fireproof mud is generally adopted at present, namely, the fireproof mud is adhered to the wire inlet by using the viscosity of the fireproof mud, so that the aim of protecting the switch cabinet is fulfilled. However, after the switch cabinet works for a period of time, the cable generates heat to easily cause the accelerated aging of the fireproof mud, and after the viscosity of the fireproof mud is reduced, the fireproof mud naturally falls off under the action of self gravity, so that the operation safety of the existing switch cabinet is poor.

Disclosure of Invention

Therefore, it is necessary to provide a plugging device for solving the problem of poor operation safety of the existing switch cabinet.

A plugging device is applied to a switch cabinet, and the switch cabinet is provided with a wire inlet; the occlusion device comprises:

the fireproof layer is arranged on the switch cabinet and covers the wire inlet;

the support piece is attached to the fireproof layer and used for supporting the fireproof layer;

the fixing piece is connected with one end, far away from the wire inlet, of the supporting piece and used for fixing the supporting piece.

In one embodiment, the supporting member includes a plurality of supporting bars, a connecting point is arranged on one side of the fixing member close to the supporting member, the supporting bars are all connected to the connecting point, and the supporting bars are umbrella-shaped and attached to the switch cabinet.

In one embodiment, the supporting bars are arranged at one end, close to the switch cabinet, of the fixing part at intervals in an annular shape and are attached to the switch cabinet.

In one embodiment, the method further comprises the following steps:

the switch cabinet is connected with the fixing piece through the fixing support.

In one embodiment, the method further comprises the following steps:

the clamping ring is arranged on the fixing support, and the fixing piece is clamped in the clamping ring.

In one embodiment, the fixing bracket includes:

the first supporting rod is connected with the switch cabinet;

and the second supporting rod is in cross connection with the first supporting rod, and the clamping ring is detachably connected to the second supporting rod.

In one embodiment, the method further comprises the following steps:

and the electrical assembly is arranged on the switch cabinet.

In one embodiment, the method further comprises the following steps:

and the cable penetrates through the wire inlet and is electrically connected with the electrical assembly.

In one embodiment, the supporting member and the fixing member are both hollow structures, the supporting member has a first cavity, the fixing member has a second cavity, and the cable sequentially penetrates through the first cavity, the second cavity and the wire inlet to be electrically connected with the electrical component.

In one embodiment, the fire-blocking layer is made of fire-blocking mud.

The embodiment of the application provides a plugging device, is applied to the cubical switchboard, plugging device includes: fire-proof layer, support piece and mounting. This application embodiment through being provided with support piece with the mounting, support piece set up in the incoming line mouth, with the flame retardant coating position is relative, in order to support the flame retardant coating effectively prevents the flame retardant coating drops because of the stickness reduces. The technical problem that the operation safety of present cubical switchboard that exists among the prior art is relatively poor has been solved to the cubical switchboard, has reached the improvement cubical switchboard operation safety's technological effect. In addition, the fixing part is connected with the supporting part, and the supporting part is stably fixed at the wire inlet, so that the operation safety of the switch cabinet is improved by improving the stability of the supporting part.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an occlusion device and an application scenario provided in an embodiment of the present application;

fig. 2 is a schematic diagram of a metal plate structure of an occlusion device according to an embodiment of the present application;

FIG. 3 is a schematic view of the support and fastening structure of the occluding device provided in one embodiment of the present application;

FIG. 4 is a schematic view of an occluding device according to one embodiment of the present application;

FIG. 5 is a schematic view of a portion of an occluding device according to one embodiment of the present application;

fig. 6 is a partial structural schematic view of an occlusion device according to an embodiment of the present application.

Description of reference numerals:

10. a plugging device;

100. a switch cabinet;

110. a wire inlet;

200. a fire barrier layer;

300. a support member;

310. a supporting strip;

340. a first adjustment slit;

350. a second adjustment slot;

400. a fixing member;

500. fixing a bracket;

510. a first support bar;

520. a second support bar;

600. a snap ring;

700. an electrical component;

800. a cable;

900. a buffer layer.

Detailed Description

In order to make the purpose, technical solution and advantages of the present application more apparent, an occlusion device of the present application is further described in detail by embodiments and with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be considered as limiting the present application.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The embodiment of the application provides a plugging device 10, which can be applied to any power distribution network for accommodating power equipment, such as a switch cabinet of a high-voltage power distribution network, a low-voltage power distribution network, a micro-grid and the like.

Referring to fig. 1, an embodiment of the present application provides a plugging device 10 applied to a switch cabinet 100, where the plugging device 10 includes: a fire-proof layer 200, a support member 300, and a fixing member 400.

The switch cabinet 100 is provided with a wire inlet 110, the wire inlet 110 may be disposed at any position of the switch cabinet 100, for example, the top, the bottom, the side surface, etc. of the switch cabinet 100, and the wire inlet 110 is used to provide a lead space for a power cable, so that the power cable may enter the inside of the switch cabinet 100 from the outside of the switch cabinet 100 to connect to an associated power consumption device inside the switch cabinet 100. The wire inlet 110 may have any shape, such as a circle, a square, a diamond, or other irregular shapes. The switch cabinet 100 may be made of any metal or alloy material, such as iron, steel, cold-rolled steel, etc., and the switch cabinet 100 may be square, circular, or any other shape. The switch cabinet 100 is hollow to form an accommodating space for providing an installation space for the electric equipment in the switch cabinet 100, and the electric equipment may include: circuit breakers, voltmeters, ammeters, fuses, and the like. The switch cabinet 100 is not limited in this embodiment, and only needs to satisfy a function of providing an installation space for the power distribution equipment.

The fireproof layer 200 is disposed on the switch cabinet 100, and covers the wire inlet 110, so as to seal the wire inlet 110. The thickness of the fire-proof layer 200 may be adjusted according to the caliber of the wire inlet 110, and the thickness of the fire-proof layer 200 may be the same as the diameter of the wire inlet 110. The fire-blocking layer 200 may be made of any material, such as cement, steel, glass, and the like. The fireproof layer 200 is filled in the wire inlet 110 and used for blocking the wire inlet 110, and the cable may be inserted into the fireproof layer 200 and connected to the electric equipment inside the switch cabinet 100. The fire-proof layer 200 may be a single layer or a plurality of layers of fire-proof materials stacked on each other. In this embodiment, the fireproof layer 200 is not limited at all, and only needs to fulfill the function of sealing the wire inlet 110.

The support member 300 is attached to the fire-retardant layer 200, and is used for supporting the fire-retardant layer 200. The supporting member 300 may be a flat plate, the flat plate faces the wire inlet 110, one surface of the flat plate is attached to the fireproof layer 200, the other surface of the flat plate is fixedly connected to the fixing member 400, and the area of the flat plate is larger than that of the wire inlet 110. The supporting member 300 may also be in any shape such as umbrella shape, petal shape, etc., and the supporting member 300 may be made of any hard material, such as: pure metals, alloys, plastics, wood, etc. The support member 300 of the present embodiment is not limited in any way, and only needs to fulfill the function of supporting the fire-retardant layer 200.

Referring to fig. 2, the fixing member 400 is connected to an end of the supporting member 300 away from the wire inlet 110, and is used for fixing the supporting member 300. The fixing member 400 may be connected to the switch cabinet 100, or may be connected to the ground, a wall surface, or other devices. The fixing member 400 may be rod-shaped, column-shaped, plate-shaped, or any other shape, and the fixing member 400 may be made of any hard material, for example: plastics, pure metals, alloys, wood, etc. The fixing member 400 is not limited in this embodiment, and only needs to fulfill the function of fixing the supporting member 300. The supporting member 300 and the fixing member 400 may be an integral structure, for example, a metal plate may be adopted, one side of the metal plate is provided with a plurality of slits, and finally, the metal plate is connected with two ends parallel to the slits, so that the supporting member and the fixing member 400 are formed.

The working principle of the plugging device 10 provided by the embodiment of the application is as follows:

the plugging device 10 according to the present embodiment is provided with a fire barrier 200, a support 300 and a fixing member 400. The switch cabinet 100 is provided with a wire inlet 110, and a power cable in the switch cabinet 100 is led into the switch cabinet 100 from the wire inlet 110 to be electrically connected with the power distribution equipment. The fireproof layer 200 is disposed at the wire inlet 110, so as to seal the wire inlet 110, and prevent small animals and the like from entering the interior of the switch cabinet 100 from the wire inlet 110 to affect the normal operation of the power distribution equipment inside the switch cabinet 100. The support member 300 is attached to the fireproof layer 200 to support the fireproof layer 200, and the fixing member 400 is connected to the support member 300 to fix the support rod, so that the support member 300 can stably support the fireproof layer 200 to prevent the fireproof layer 200 from falling off.

The embodiment provides a plugging device 10 applied to a switch cabinet 100, where the plugging device 10 includes: the fire-proof layer 200, the support member 300, and the fixing member 400. In this embodiment, the supporting member 300 and the fixing member 400 are arranged, and the supporting member 300 is arranged at the wire inlet 110 and is opposite to the fireproof layer 200 to support the fireproof layer 200, so that the fireproof layer 200 is effectively prevented from falling off due to the reduction of viscosity. In this embodiment, the plugging device 10 solves the technical problem existing in the prior art that the operation safety of the existing switch cabinet 100 is poor, and achieves the technical effect of improving the operation safety of the switch cabinet 100. In addition, the fixing member 400 is connected to the supporting member 300, so as to stably fix the supporting member 300 to the wire inlet 110, thereby improving the operational safety of the switch cabinet 100 by improving the stability of the supporting member 300.

Referring to fig. 3, in an embodiment, the supporting member 300 includes a plurality of supporting bars 310, a connecting point is formed on a surface of the fixing member 400 close to the supporting member 300, the supporting bars 310 are all connected to the connecting point, and the supporting bars 310 are umbrella-shaped and attached to the switch cabinet 100. The connection point may be located at any position of one end surface of the fixing member 400, such as a center of the end surface, or any point on an outer edge of a circumference, and the plurality of support bars 310 may be radially fixed to the connection point. Each of the supporting bars 310 may be rod-shaped, arc-shaped or irregularly shaped, and the supporting bars 310 may be made of any hard material, such as: pure metals, alloys, plastics, wood, etc. The support bars 310 are not particularly limited in this embodiment, and only need to fulfill the function of supporting the fire-proof layer 200.

In one embodiment, the supporting bars 310 are disposed at an end of the fixing member 400 close to the switch cabinet 100 at annular intervals, and are attached to the switch cabinet 100. The plurality of support bars 310 are arranged at intervals in a ring shape, and the plurality of supports can be arranged in a single-layer ring shape or in a multi-layer ring shape, so that the support force and the support stability of the plurality of support bars 310 are enhanced. The supporting bars 310 may be uniformly disposed at one end of the fixing member 400 close to the switch cabinet 100, so that the supporting bars 310 may be uniformly stressed, thereby prolonging the service life of the supporting bars 310. The support bars 310 are not limited in this embodiment, and only need to fulfill the function of supporting the fire-proof layer 200.

Referring to fig. 4 and 5, in one embodiment, the occlusion device 10 further comprises: a stationary bracket 500, a snap ring 600, an electrical assembly 700, and a cable 800.

The switch cabinet 100 and the fixing member 400 are connected by the fixing bracket 500, and the fixing bracket 500 may have any shape, such as a rectangular frame, a diamond frame, a tripod, and the like. When the fixing bracket 500 may be a tripod, the triangle has structural stability, and the stability of the fixing bracket 500 may be effectively improved. The fixing bracket 500 may further include: a first support bar 510 and a second support bar 520. The first support bar 510 is connected to the switch cabinet 100, the second support bar 520 is connected to the first support bar 510 in a crossing manner, and the snap ring 600 is detachably connected to the second support bar 520. The first support bar 510 and the second support bar 520 may be made of any hard material, for example: pure metals, alloys, plastics, wood, etc. The fixing bracket 500 is not limited in this embodiment, and only needs to fulfill the function of connecting the switch cabinet 100 and the fixing member 400.

The snap ring 600 is disposed on the fixing bracket 500, and the fixing member 400 is clamped in the snap ring 600. The snap ring 600 may be circular, semicircular, arc-shaped or any other shape, and the snap ring 600 may be made of any hard material, for example: pure metals, alloys, plastics, wood, etc. The snap ring 600 may be fixed to the fixing bracket 500 by bolts or the like to be easily disassembled. The present embodiment does not limit the snap ring 600, and only needs to fulfill the function of connecting the fixing bracket 500 and the fixing member 400.

The electrical component 700 is disposed in the switch cabinet 100, and the electrical component 700 refers to basic electric equipment in the switch cabinet 100, and may include: circuit breakers, cables, voltmeters, ammeters, fuses, and the like. The present embodiment does not limit the electrical assembly 700, and may be specifically configured or selected according to actual situations.

The cable 800 is inserted through the wire inlet 110 and electrically connected to the electrical component 700, and the cable 800 is used for connecting the device outside the switch cabinet 100 and the electrical component 700. The cable can be one or a plurality of cables. The cable 800 may be an overhead bare wire, a busbar, a power cable, a rubber-sheathed cable, an overhead insulated cable, a branch cable, an electromagnetic cable, or the like. The cable 800 is not limited in this embodiment, and only needs to fulfill the function of connecting the device outside the switch cabinet 100 and the electrical component 700.

In one embodiment, the supporting member 300 and the fixing member 400 may be both hollow structures, the supporting member 300 has a first cavity, the fixing member 400 has a second cavity, and the cable 800 sequentially passes through the first cavity, the second cavity and the wire inlet 110 to be electrically connected to the electrical assembly 700. The fireproof layer 200 is disposed at the wire inlet 110, and the cable 800 sequentially passes through the first cavity, the second cavity and the wire inlet 110 to be electrically connected with the electrical component 700, so that the wire inlet 110 has no exposed space, and the sealing performance of the wire inlet 110 is improved.

In one embodiment, the fire-blocking layer 200 is made of fire-blocking mud. The fireproof mud is a flexible flame-retardant material, has the characteristics of high fire resistance limit and low smoke generation amount, and can well retard fire, block smoke, resist oil, resist water and resist corrosion. In this embodiment, the adhesive property of the fire-proof mud is adhered to the wire inlet 110, so that the operation is convenient, no additional adhesive layer is required, and in addition, the fire-proof mud is made of a flexible material and can be adjusted according to the shape of the wire inlet 110, thereby improving the convenience of the use of the fire-proof layer 200.

In one embodiment, the plugging device 10 further comprises a buffer layer 900, wherein the buffer layer 900 is disposed on the inner surface of the fixing member 400 and is used for providing buffer isolation for the cable 800. The fixing member 400 is generally made of a rigid material, the fixing member 400 is hollow inside, and the buffer layer 900 is disposed on the inner surface of the fixing member 400, so that the cable 800 does not directly contact with the fixing member 400 when the cable 800 is severely shaken, thereby protecting the cable 800. The cushioning layer 900 may be made of any flexible material, such as flexible plastic, rubber, etc. The buffer layer 900 is not limited in this embodiment, and only needs to satisfy the function of providing buffer isolation for the cable 800.

Referring to fig. 6, in one embodiment, a side surface of the supporting member 300 is provided with a first adjusting slit 340 along an axial direction, and a side surface of the fixing member 400 is provided with a second adjusting slit 350 along the axial direction. When the cable 800 is too thick or too large, the supporting member 300 and the fixing member 400 need to be detached to replace the supporting member 300 and the fixing member 400 having a larger diameter. In this embodiment, the first and second adjustment slits 340 and 350 may widen the width of the slit by being pressed by the cable 800, so that the cable 800 may be received in the inner cavities of the supporter 300 and the holder 400. The first adjustment slit 340 and the second adjustment slit 350 are not limited in this embodiment, and only need to fulfill the function of adjusting the inner space of the supporting member 300 and the fixing member 400.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The plugging device is characterized by being applied to a switch cabinet (100), wherein a wire inlet (110) is formed in the switch cabinet (100); the occlusion device (10) comprises:

a fireproof layer (200) which is arranged on the switch cabinet (100) and covers the wire inlet (110);

a support member (300) disposed in close contact with the flame retardant layer (200) for supporting the flame retardant layer (200);

the fixing piece (400) is connected with one end, away from the wire inlet (110), of the support piece (300) and used for fixing the support piece (300).

2. The plugging device of claim 1, wherein the support member (300) comprises a plurality of support bars (310), a connection point is provided on a side of the fixing member (400) adjacent to the support member (300), the support bars (310) are connected to the connection point, and the support bars (310) are umbrella-shaped and attached to the switch cabinet (100).

3. The plugging device of claim 2, wherein the plurality of support bars (310) are disposed at annularly spaced intervals at an end of the fixture (400) proximate to the switchgear cabinet (100) and are disposed in close proximity to the switchgear cabinet (100).

4. The occlusion device of claim 1, further comprising:

a fixing bracket (500), through which the switch cabinet (100) and the fixing member (400) are connected.

5. The occlusion device of claim 4, further comprising:

the clamping ring (600) is arranged on the fixing support (500), and the fixing piece (400) is clamped in the clamping ring (600).

6. The occlusion device of claim 5, wherein the fixation stent (500) comprises:

a first support bar (510) connected to the switchgear cabinet (100);

and the second support rod (520) is in cross connection with the first support rod (510), and the clamping ring (600) is detachably connected to the second support rod (520).

7. The occlusion device of claim 1, further comprising:

an electrical assembly (700) provided to the switchgear cabinet (100).

8. The occlusion device of claim 7, further comprising:

and the cable (800) is arranged through the wire inlet (110) and is electrically connected with the electrical assembly.

9. The occlusion device of claim 8, wherein the support member (300) and the fixing member (400) are both hollow structures, the support member (300) has a first cavity, the fixing member (400) has a second cavity, and the cable (800) is sequentially threaded through the first cavity, the second cavity and the wire inlet (110) to be electrically connected with the electrical component (700).

10. The plugging device of claim 1, wherein the fire barrier (200) is made of fire clay.