CN210926619U

CN210926619U - Grounding device for ring main unit

Info

Publication number: CN210926619U
Application number: CN201921991751.9U
Authority: CN
Inventors: 李锋; 李晏平; 黄崇波
Original assignee: Chongqing Shineng Electric Power Equipment Co ltd
Current assignee: Chongqing Shineng Electric Power Equipment Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-07-03
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a grounding device for looped netowrk cabinet, including main part case, wiring mouth, pressing wire, apron, outlet, earth connection, grounding body, circuit breaker, variable resistor, relay and buckle, main part case right-hand member has seted up the wiring mouth, wiring mouth front both sides all are equipped with pressing wire, wiring mouth right-hand member is equipped with the apron, the outlet has been seted up on the left of the apron, main part bottom of the case portion centre is equipped with the earth connection, the earth connection front end is equipped with grounding body, main part incasement portion left side top is equipped with the circuit breaker, the circuit breaker right side is equipped with variable resistor, variable resistor left side below is equipped with the relay, main part case rear left and right sides are equipped with the buckle in proper order, be; this a earthing device for looped netowrk cabinet has and carries out the current and voltage to equipment through built-in instrument and carry out the advantage of in time protecting to equipment through earth connection cable and grounding body.

Description

Grounding device for ring main unit

Technical Field

The utility model relates to a ground connection technical field specifically is a grounding device for looped netowrk cabinet.

Background

With the improvement of the automation level of the power grid and the development of the smart power grid, the utilization rate of the ring main units in the urban power distribution network is higher and higher; if the equipment in the ring main unit needs to be overhauled in a power failure mode, reliable grounding needs to be conducted on the possible incoming call side, and sudden incoming calls are avoided, sometimes, discharging of incoming and outgoing cables is insufficient before overhauling, cable capacitors in the equipment are prone to generating current to discharge to human bodies, accidents occur, a grounding knife brake is absent in a 630A European type front connector (namely, front insertion) in the ring main unit (such as C2SC-12) of partial models at present, the equipment cannot be reliably grounded, other devices are needed for grounding, the existing grounding wire connector of the ring main unit is fixed and can only be used for the ring main unit of a specific model, a power supply area in a power supply unit jurisdiction often has ring main units of multiple models, and the old type grounding wire of the ring main unit cannot meet the requirements for being used in the ring main units of multiple models.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an earthing device for looped netowrk cabinet has and carries out the electric current to equipment through built-in instrument and carry out the relaying to thereby reduce and come protective apparatus, carry out the advantage of in time protecting equipment through ground connection cable and grounding body through the electric current, solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a grounding device for a ring main unit comprises a main body box, a wiring port, compression wires, a cover plate, wire outlets, grounding wires, a grounding body, a circuit breaker, a variable resistor, a relay and a buckle, wherein the right end of the main body box is provided with the wiring port, the compression wires are arranged on two sides in front of the wiring port, the cover plate is arranged at the right end of the wiring port and is fixed on the wiring port through a hinge, the wire outlets are arranged on the left side of the cover plate, the grounding wires are arranged in the middle of the bottom of the main body box, the grounding wires are fixed on the main body box through insulating glue, the grounding body is arranged at the front end of the grounding wires and is fixed on the grounding wires through the insulating glue, the circuit breaker is arranged above the left side inside the main body box and is fixed in the main body box through screws, the variable resistor is arranged on the, the variable resistor is characterized in that a relay is arranged below the left side of the variable resistor and fixed in the main body box through screws, buckles are sequentially arranged on the left side and the right side of the back of the main body box, and the buckles are fixed on the main body box through welding.

Preferably, the main box is made of an insulating material, and the cover plate is made of an insulating material.

Preferably, a wiring board is arranged in the wiring port, and a threaded hole is formed in the wiring board.

Preferably, the pressing wire is a threaded rod.

Preferably, the relay is connected to the ground line by a cable, and the circuit breaker is connected to the variable resistor, the relay, and the junction port by a cable.

Preferably, the circuit breaker model is: GSB3053, the type of the relay is as follows: JFY-713, the variable resistor model being: BC1-25W 3K.

Compared with the prior art, the beneficial effects of the utility model are as follows: this an earthing device for looped netowrk cabinet compresses tightly the cable through the silk that compresses tightly of wire connection mouth department, prevents that the cable landing, looped netowrk cabinet earth connection from connecting to make things convenient for the staff to overhaul for the mobility, grounding body even underground, can not appear leaving over the electric current and cause the injury to the human body, carry out open circuit, protective equipment, relay through the circuit breaker and carry out protective equipment to the earth connection grounding body.

Drawings

Fig. 1 is a schematic view of an overall structure of a grounding device for a ring main unit according to the present invention;

fig. 2 is a schematic view of the inside of a main box of the grounding device for a ring main unit according to the present invention;

fig. 3 is the utility model relates to a rear portion schematic diagram of a grounding device for looped netowrk cabinet.

The figures are labeled as follows: the device comprises a main body box 1, a wiring port 2, a compression wire 3, a cover plate 4, an outlet port 5, a grounding wire 6, a grounding body 7, a circuit breaker 8, a variable resistor 9, a relay 10 and a buckle 11.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Please refer to fig. 1-3, a earthing device for looped netowrk cabinet, including main part case 1, wiring mouth 2, pressing wire 3, apron 4, outlet 5, earth connection 6, grounding body 7, circuit breaker 8, variable resistor 9, relay 10, buckle 11, wiring mouth 2 has been seted up to main part case 1 right-hand member, 2 preceding both sides of wiring mouth all are equipped with pressing

wire

3, 2 right-hand members of wiring mouth are equipped with apron 4, apron 4 passes through the hinge to be fixed on wiring mouth 2, outlet 5 has been seted up in apron 4 left side, be equipped with earth connection 6 in the middle of main part case 1 bottom, earth connection 6 is fixed on main part case 1 through insulating cement, 6 front ends of earth connection are equipped with grounding body 7, grounding body 7 passes through insulating cement to be fixed on

earth connection

6, 1 inside left side top of main part case is equipped with circuit breaker 8, the circuit breaker: GSB3053, circuit breaker 8 passes through the fix with screw in main part case 1, and circuit breaker 8 right side is equipped with variable resistor 9, and the variable resistor 9 model is: BC1-25W3K, variable resistor 9 passes through the fix with screw in main part case 1, and the left side below of variable resistor 9 is equipped with relay 10, and the relay 10 model is: JFY-713, the relay 10 is fixed in the main body box 1 through screws, the left side and the right side of the back of the main body box 1 are sequentially provided with buckles 11, the buckles 11 are fixed on the main body box 1 through welding, the main body box 1 is made of insulating materials, the cover plate 4 is made of insulating materials, the wiring port 2 is internally provided with a wiring board, the wiring board is provided with threaded holes, the compression wire 3 is made of threaded rods, the relay 10 is connected to the grounding wire 6 through cables, and the breaker 8 is connected to the variable resistor 9, the relay 10 and the wiring port 2 through cables.

The working principle is as follows: the utility model relates to an earthing device for looped netowrk cabinet, place the device in the electric cabinet, fix through buckle 11, connect grounding body 7 on ground, connect power cord in the electric cabinet in wiring mouthful 2 department through the cable, the cable passes through outlet 5 and connects the cable in 3 departments of sticising the silk, it compresses tightly the silk 3 and compresses tightly the cable to carry out manual twisting through the screwdriver, cover apron 4 under the lid, when voltage fault appears in the electric cabinet, 8 circuit protection equipment in the electric cabinet of 8 work automatic disconnection of circuit breaker, because the trouble can produce a lot of extra electric currents and effectively block through the electric current that variable resistor 9 produced the trouble, pass through electric current transmission to relay 10 with the warp cable, grounding body 7 that transmits to grounding wire 6 through relay 10 warp cable carries out current grounding, arrange the underground with the electric current.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a earthing device for looped netowrk cabinet which characterized in that: the wire connecting device comprises a main body box (1), a wire connecting port (2), a compression wire (3), a cover plate (4), a wire outlet (5), a grounding wire (6), a grounding body (7), a circuit breaker (8), a variable resistor (9), a relay (10) and a buckle (11), wherein the wire connecting port (2) is formed at the right end of the main body box (1), the compression wire (3) is arranged on each of the two front sides of the wire connecting port (2), the cover plate (4) is arranged at the right end of the wire connecting port (2), the cover plate (4) is fixed on the wire connecting port (2) through a hinge, the wire outlet (5) is formed in the left side of the cover plate (4), the grounding wire (6) is arranged in the middle of the bottom of the main body box (1), the grounding wire (6) is fixed on the main body box (1) through insulating glue, the grounding body (7) is arranged at the, the improved multifunctional electromagnetic switch is characterized in that a circuit breaker (8) is arranged above the left side inside the main body box (1), the circuit breaker (8) is fixed in the main body box (1) through screws, a variable resistor (9) is arranged on the right side of the circuit breaker (8), the variable resistor (9) is fixed in the main body box (1) through screws, a relay (10) is arranged below the left side of the variable resistor (9), buckles (11) are sequentially arranged on the left side and the right side of the rear face of the main body box (1), and the buckles (11) are fixed on the main body box (1) through welding.

2. The grounding device for ring main unit according to claim 1, wherein: relay (10) pass through the fix with screw in main part case (1), its characterized in that of both sides about main part case (1) back: the main body box (1) is made of an insulating material, and the cover plate (4) is made of an insulating material.

3. The grounding device for ring main unit according to claim 1, wherein: the wiring port (2) is internally provided with a wiring board which is provided with a threaded hole.

4. The grounding device for ring main unit according to claim 1, wherein: the pressing wire (3) is a threaded rod.

5. The grounding device for ring main unit according to claim 1, wherein: the relay (10) is connected to a grounding wire (6) through a cable, and the breaker (8) is connected to the variable resistor (9), the relay (10) and the wiring port (2) through cables.

6. The grounding device for ring main unit according to claim 1, wherein: the circuit breaker (8) model is: GSB3053, the type of the relay (10) is as follows: JFY-713, the variable resistor (9) being of the type: BC1-25W 3K.