Circuit protection mechanism for power distribution room equipment installation

Abstract

The utility model provides a distribution room equipment installation line protection mechanism, which comprises a main body back plate and a line protection mechanism, the main body back plate is used for installing a distribution box and connecting each protection component at the front end, a clamping groove guide rail is used for installing an air switch, and the air switch ensures the stable transmission of current. The main electric wire shell and the main electric hole plate are used for protecting a home-entry line, the bridging line hole strip and the bridging line clamping cover are used for fixing and protecting a bridging line, the air switch is exposed out of an open hole in the center of the switch cover, electric power personnel can conveniently operate and debug the air switch, the branch loop junction box is used for separating electric wires of different loops, and the operation efficiency is improved. The wiring harness hole groove fixes a wiring harness formed by bundling multiple strands of wires, winding and electric leakage of the multiple strands of wires are avoided, the maintenance burden of the power personnel is reduced, the zero line busbar box and the ground wire busbar box protect busbar lines, and virtual connection and falling of the lines are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of distribution circuit control, in particular to a line protection mechanism for the installation of power distribution room equipment. Background Technique

[0002] A power distribution room is a distribution place formed by assembling switchgear, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet according to the electrical wiring requirements. During normal operation, the circuit can be switched on or off manually or automatically, and during a fault or abnormal operation, the circuit can be cut off or an alarm can be given by means of protective electrical appliances. In the prior art, a large amount of dust is likely to enter during use, which affects later maintenance. It is inconvenient to install small busbars on a small number of high-voltage switch cabinets with fixed protective casings. Therefore, a line protection mechanism for the installation of power distribution room equipment is proposed to solve the above problems.

[0003] According to a line protection device for a high-voltage switch cabinet with the retrieval announcement number: CN218161240U, which includes: a switch cabinet body, an instrument room is arranged on the switch cabinet body, and a cabinet door corresponding to the instrument room is arranged on the switch cabinet body; a top plate, the top plate is fixedly connected to the top of the instrument room; a busbar, the busbar is arranged on one side of the top plate inside the instrument room; a fixing plate, the fixing plate is fixedly connected to the top of the switch cabinet body, a first rotating shaft is rotatably arranged on the fixing plate, a rotating plate is fixedly connected to the first rotating shaft, and the rotating plate corresponds to the top plate; the utility model effectively protects the lines at the top of the high-voltage switch cabinet, effectively identifies multiple groups of switch cabinets, and is convenient for the staff to overhaul and maintain.

[0004] However, when implementing the above technical solutions, the following problems exist: In the above technical solutions, busbars are used for line arrangement, and different lines are arranged together without classification, which causes great inconvenience to the detection and maintenance of electric power workers. It is impossible to distinguish the live wire and the neutral wire in time, there is no distinction between the main line and the branch circuit, it is impossible to distinguish wires with different powers and different thicknesses, and safety hazards such as virtual connection and electric leakage are likely to occur, and there is no good safety factor. Content of the Utility Model

[0005] The purpose of the utility model is to provide a line protection mechanism for the installation of power distribution room equipment to solve the problems in the above background technique.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A line protection mechanism for the installation of power distribution room equipment, including a main body backplane and a protection mechanism. A card slot guide rail is provided in the center of the front end of the main body backplane. An air switch is provided at the front end of the card slot guide rail. A protection shell is provided on the outside of the main body backplane. A protection mechanism is provided at the front end of the main body backplane. A main wire case is provided on the left side of the top of the protection shell. A main electric hole plate is provided at the top end inside the main wire case. A cross-over wire hole strip is provided on the right side of the main wire case. A cross-over wire card cover is provided on the front side of the cross-over wire hole strip. A switch cover is provided on the front side of the air switch. A wire connecting post is provided on the right side of the switch cover. A wire harness hole groove is provided at the bottom end of the wire connecting post. A branch circuit sub-line box is provided at the bottom end of the protection shell.

[0007] Preferably, the protection mechanism includes a main wire case, a main electric hole plate, a cross-over wire hole strip, a cross-over wire card cover, a switch cover, a wire connecting post, a wire harness hole groove, a branch circuit sub-line box, a zero line wire groove, a zero line bus bar box, and a ground wire bus bar box. A zero line wire groove is provided at the bottom of the branch circuit sub-line box. A zero line bus bar box is provided on the left side of the zero line wire groove. A ground wire bus bar box is provided at the bottom of the zero line wire groove.

[0008] Preferably, the connection between the main body backplane and the card slot guide rail is a bolt connection. The connection between the card slot guide rail and the air switch is a card slot connection. The connection between the main body backplane and the protection shell is a bolt connection. The air switch is arranged parallel to the card slot guide rail. The connection between the main wire case and the main electric hole plate is a card slot connection. There are two groups of main electric hole plates. Two strip-shaped round holes are provided on the main electric hole plate. The inner diameter of the main wire case matches the outer diameter of the main electric hole plate.

[0009] Preferably, the connection between the main body backplane and the cross-over wire hole strip is a bolt connection. The connection between the cross-over wire hole strip and the cross-over wire card cover is a card slot connection. The width dimensions of the cross-over wire hole strip and the cross-over wire card cover match. There are two groups of cross-over wire hole strips.

[0010] Preferably, the connection between the protection shell and the switch cover is a card slot connection. The inner diameter of the opening of the air switch matches the inner diameter of the switch cover. The connection between the main body backplane and the wire connecting post is a bolt connection. The connection between the protection shell and the wire harness hole groove is a card slot connection. There are two groups of wire harness hole grooves.

[0011] Preferably, the connection between the branch circuit sub-line box and the protection shell is a bolt connection. There are four groups of branch circuit sub-line boxes. An opening is provided at the bottom right of the branch circuit sub-line box.

[0012] Preferably, the connection between the zero line wire groove and the main body backplane is a bolt connection. The connection between the main body backplane and the zero line bus bar box is a bolt connection. The connection between the main body backplane and the ground wire bus bar box is a bolt connection.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The main body backboard is used to install the distribution box and is responsible for connecting each front-end protection component. The slot guide rail is used to install the air switch, and the air switch ensures the stable transmission of current. When the voltage exceeds a certain limit, the air switch will automatically turn off. Insert the two incoming wires into the main power distribution board respectively, install the main power distribution board on the top of the main wire housing, and the incoming wires pass through the main wire housing and enter the protection housing. Connect the incoming wires to the main switch of the air switch. The main wire housing and the main power distribution board complete the protection of the incoming line. The cross-connecting wire connects the conductors and then crosses and places them into the cross-connecting wire hole strip. Place the cross-connecting wires at equal intervals, and then buckle the cross-connecting wire cover into the cross-connecting wire hole strip to complete the fixation and protection of the cross-connecting. After the air switch is installed, install the switch cover into the protection housing, and expose the air switch from the opening at the center of the switch cover to facilitate the power personnel to perform real-time operation and debugging on the air switch. Extend the live wire and neutral wire at the bottom of different air switches downward. The live wire and neutral wire are placed separately in the branch circuit distribution box. The branch circuit distribution box separates the wires of different circuits to facilitate the power personnel to perform maintenance and observation. Bundle the live wire and neutral wire into a wire harness, bend the wire harness upward and pull it out through the top wire harness hole groove, and place it into the wiring post. Bend the busbar neutral wire downward and pull it out through the bottom wire harness hole groove. The wire harness hole groove fixes the wire harness bundled by multiple wires, avoids the entanglement and leakage of multiple wires, and reduces the burden on the power personnel for maintenance. Bend the busbar neutral wire in the bottom wire harness hole groove to the left, and the neutral wire passes through the neutral wire groove and is connected to the neutral busbar box. Pass the ground wire through the bottom wire harness hole groove and connect it to the ground busbar box. The neutral wire groove fixes the neutral wire at the busbar to avoid virtual connection and dropping of the line. The neutral busbar box and the ground busbar box protect the busbar line. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall internal structure of the utility model;

[0016] Figure 2 is a schematic diagram of the top view appearance structure of the utility model;

[0017] Figure 3 is a schematic diagram of the internal side structure of the utility model;

[0018] Figure 4 is a schematic diagram of the overall external structure of the utility model.

[0019] Reference numerals in the figure: 1, main body backplane; 2, card slot guide rail; 3, air switch; 4, protective housing; 5, line protection mechanism; 501, main wire housing; 502, main wire hole plate; 503, cross-over wire hole strip; 504, cross-over wire clip cover; 505, switch cover; 506, wire connection post; 507, wire harness hole groove; 508, branch circuit distribution box; 509, neutral wire groove; 510, neutral bus bar box; 511, ground bus bar box. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1-4 , the present invention provides a technical solution: a line protection mechanism for the installation of power distribution room equipment, including a main body backplane 1 and a protection mechanism 5. A card slot guide rail 2 is provided in the center of the front end of the main body backplane 1, an air switch 3 is provided at the front end of the card slot guide rail 2, a protective housing 4 is provided on the outside of the main body backplane 1, a protection mechanism 5 is provided at the front end of the main body backplane 1, a main wire housing 501 is provided on the left side of the top of the protective housing 4, a main wire hole plate 502 is provided at the top end inside the main wire housing 501, a cross-over wire hole strip 503 is provided on the right side of the main wire housing 501, a cross-over wire clip cover 504 is provided on the front side of the cross-over wire hole strip 503, a switch cover 505 is provided on the front side of the air switch 3, a wire connection post 506 is provided on the right side of the switch cover 505, a wire harness hole groove 507 is provided at the bottom end of the wire connection post 506, and a branch circuit distribution box 508 is provided at the bottom end of the protective housing 4.

[0022] Furthermore, the protection mechanism 5 includes a main wire housing 501, a main wire hole plate 502, a cross-over wire hole strip 503, a cross-over wire clip cover 504, a switch cover 505, a wire connection post 506, a wire harness hole groove 507, a branch circuit distribution box 508, a neutral wire groove 509, a neutral bus bar box 510 and a ground bus bar box 511. A neutral wire groove 509 is provided at the bottom of the branch circuit distribution box 508, a neutral bus bar box 510 is provided on the left side of the neutral wire groove 509, and a ground bus bar box 511 is provided at the bottom of the neutral wire groove 509. The neutral wire groove 509 fixes the neutral wire at the bus bar, avoiding virtual connection and dropping of the line, and the neutral bus bar box 510 and the ground bus bar box 511 protect the bus bar lines.

[0023] Further, the main body backplane 1 is bolted to the card slot guide rail 2, the card slot guide rail 2 is connected to the air switch 3 by a card slot, the main body backplane 1 is bolted to the protective housing 4, the air switch 3 is arranged in parallel with the card slot guide rail 2, the main wire housing 501 and the main wire hole plate 502 are connected by a card slot. There are two sets of main wire hole plates 502, and two strip-shaped round holes are opened on the main wire hole plate 502. The inner diameter of the main wire housing 501 matches the outer diameter of the main wire hole plate 502. The main body backplane 1 is used to install the distribution box and is responsible for connecting each front-end protective component. The card slot guide rail 2 is used to install the air switch 3. The air switch 3 ensures the stable transmission of current. When the voltage exceeds a certain limit, the air switch 3 will automatically turn off. Insert the two incoming lines into the main wire hole plate 502 respectively, install the main wire hole plate 502 on the top of the main wire housing 501, and the incoming lines pass through the main wire housing 501 and enter the protective housing 4. Connect the incoming lines to the main switch of the air switch 3. The main wire housing 501 and the main wire hole plate 502 complete the protection of the incoming line.

[0024] Further, the main body backplane 1 is bolted to the cross-connecting wire hole strip 503, the cross-connecting wire hole strip 503 is connected to the cross-connecting wire card cover 504 by a card slot, and the width dimensions of the cross-connecting wire hole strip 503 and the cross-connecting wire card cover 504 match. There are two sets of cross-connecting wire hole strips 503. After the cross-connecting wires are connected and crossed, they are placed into the cross-connecting wire hole strip 503. The cross-connecting wires are placed at equal intervals, and then the cross-connecting wire card cover 504 is buckled into the cross-connecting wire hole strip 503 to complete the fixation and protection of the cross-connecting wires.

[0025] Further, the protective housing 4 is connected to the switch cover 505 by a card slot, the inner diameter of the opening of the air switch 3 matches the inner diameter of the opening of the switch cover 505, the main body backplane 1 is bolted to the wire connecting post 506, the protective housing 4 is connected to the wire harness hole groove 507 by a card slot. There are two sets of wire harness hole grooves 507. After the air switch 3 is installed, the switch cover 505 is installed into the protective housing 4, and the air switch 3 is exposed through the opening at the center of the switch cover 505, which is convenient for power personnel to perform real-time operation and debugging on the air switch 3.

[0026] Further, the branch circuit distribution box 508 is bolted to the protective housing 4. There are four sets of branch circuit distribution boxes 508. An opening is provided at the bottom right of the branch circuit distribution box 508. The live wires and neutral wires at the bottom of different air switches 3 extend downward. The live wires and neutral wires are placed separately in the branch circuit distribution box 508. The branch circuit distribution box 508 separates the wires of different circuits, which is convenient for power personnel to repair and observe. Bundle the live wires and neutral wires into a wire harness, bend the wire harness upward and pull it out through the top wire harness hole groove 507, and place it into the wire connecting post 506. Bend the busbar neutral wire downward and pull it out through the bottom wire harness hole groove 507. The wire harness hole groove 507 fixes the wire harness bundled by multiple wires, avoids the entanglement and leakage of multiple wires, and reduces the burden on power personnel for maintenance.

[0027] Further, the zero-line wire duct 509 is bolt-connected to the main body backplane 1, the main body backplane 1 is bolt-connected to the zero-line busbar box 510, and the main body backplane 1 is bolt-connected to the ground wire busbar box 511. Bend the busbar zero line in the bottom wire harness hole slot 507 to the left, pass the zero line through the zero-line wire duct 509 and connect it to the zero-line busbar box 510. Pass the ground wire through the bottom wire harness hole slot 507 and connect it to the ground wire busbar box 511. The zero-line wire duct 509 fixes the zero line at the busbar, preventing the circuit from having loose connections and falling off. The zero-line busbar box 510 and the ground wire busbar box 511 protect the busbar circuit.

[0028] Working principle: First, power personnel enter the power distribution room to turn off the main switch. Before connection, check again that the incoming line is not charged. Install the slot guide rail 2 on the main body backplane 1, install the air switch 3 on the slot guide rail 2, insert the two incoming lines into the main power hole plate 502 respectively, install the main power hole plate 502 on the top of the main power wire case 501. The incoming lines pass through the main power wire case 501 and enter the protective housing 4. Connect the incoming lines to the main switch of the air switch 3. The main power wire case 501 and the main power hole plate 502 complete the protection of the incoming line circuit. After connecting the overhead wire at the top of the air switch 3, place it crosswise into the overhead wire hole strip 503 at equal intervals, and then buckle the overhead wire cover 504 into the overhead wire hole strip 503 to complete the fixation and protection of the overhead wire. Then, extend the live wire and zero line at the bottom of different air switches 3 downward. The live wire and zero line are placed separately in the branch circuit distribution box 508, bundled into a wire harness, bent upward and pulled out through the top wire harness hole slot 507, and placed into the wiring post 506. Bend the busbar zero line downward and pull it out through the bottom wire harness hole slot 507. Bend the busbar zero line in the bottom wire harness hole slot 507 to the left, pass the zero line through the zero-line wire duct 509 and connect it to the zero-line busbar box 510. Pass the ground wire through the bottom wire harness hole slot 507 and connect it to the ground wire busbar box 511. Finally, install the switch cover 505 into the protective housing 4, and expose the air switch 3 through the opening at the center of the switch cover 505, which is convenient for power personnel to operate and debug the air switch 3. In this way, the use process of a line protection mechanism for power distribution room equipment installation is completed.

[0029] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A line protection mechanism installed in a power distribution room, comprising a main body back plate (1) and a protection mechanism (5), characterized in that: A card slot guide rail (2) is arranged at the center of the front end of the main body back plate (1), and an air switch (3) is arranged at the front end of the card slot guide rail (2). A protective shell (4) is arranged on the outer side of the main body back plate (1), and a protective mechanism (5) is arranged at the front end of the main body back plate (1). A main wire shell (501) is arranged on the left side of the top of the protective shell (4), and a main wire hole plate (502) is arranged at the top of the main wire shell (501). A bridge wire hole bar (503) is arranged on the right side of the main wire shell (501), and a bridge wire card cover (504) is arranged on the front side of the bridge wire hole bar (503). A switch cover (505) is arranged on the front side of the air switch (3), and a wire driving pile (506) is arranged on the right side of the switch cover (505). A wire harness hole slot (507) is arranged at the bottom end of the wire driving pile (506), and a branch circuit junction box (508) is arranged at the bottom end of the protective shell (4).

2. A line protection mechanism installed in a power distribution room according to claim 1, characterized in that: The protection mechanism (5) comprises a main line housing (501), a main line hole plate (502), a bridge line hole bar (503), a bridge line card cover (504), a switch cover (505), a wire driving pile (506), a wire harness hole slot (507), a branch circuit junction box (508), a neutral line slot (509), a neutral line bus box (510) and a ground line bus box (511); a neutral line slot (509) is arranged at the bottom of the branch circuit junction box (508), a neutral line bus box (510) is arranged on the left side of the neutral line slot (509), and a ground line bus box (511) is arranged at the bottom of the neutral line slot (509).

3. A line protection mechanism installed in a power distribution room according to claim 1, characterized in that: The main body back plate (1) is connected to the slot guide rail (2) by bolts, the slot guide rail (2) is connected to the air switch (3) by a slot connection, the main body back plate (1) is connected to the protective housing (4) by bolts, the air switch (3) is arranged parallel to the slot guide rail (2), the main wire shell (501) is connected to the main electric orifice plate (502) by a slot connection, the main electric orifice plate (502) is provided with two groups, the main electric orifice plate (502) is provided with two strip-shaped circular grooves, and the inner diameter of the main wire shell (501) matches the outer diameter of the main electric orifice plate (502).

4. A line protection mechanism for equipment installation in a power distribution room according to claim 1, characterized in that: The main body back plate (1) is connected to the bridge wire hole bar (503) by bolts, the bridge wire hole bar (503) is connected to the bridge wire card cover (504) by a card slot, the bridge wire hole bar (503) and the bridge wire card cover (504) have matching widths, and two groups of the bridge wire hole bars (503) are provided.

5. The line protection mechanism installed in the power distribution room equipment according to claim 1 is characterized in that: The protective shell (4) and the switch cover (505) are connected by a slot, the air switch (3) and the switch cover (505) have matching inner diameters of openings, the main body back plate (1) and the wire driving pile (506) are connected by bolts, the protective shell (4) and the wire harness hole slot (507) are connected by a slot, and two groups of the wire harness hole slots (507) are provided.

6. A line protection mechanism installed in a power distribution room according to claim 1, characterized in that: The branch circuit junction box (508) is connected to the protective housing (4) by bolts. Four groups of branch circuit junction boxes (508) are provided. An opening is provided at the bottom of the right side of the branch circuit junction box (508).

7. A line protection mechanism installed in a power distribution room according to claim 2, characterized in that: The neutral line duct (509) is connected to the main body back plate (1) by bolts, the main body back plate (1) is connected to the neutral line bus box (510) by bolts, and the main body back plate (1) is connected to the ground line bus box (511) by bolts.

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