CN215816453U

CN215816453U - Interface anti-drop's undercurrent earthing device

Info

Publication number: CN215816453U
Application number: CN202122278539.1U
Authority: CN
Inventors: 王薇
Original assignee: Baoding Mengyang Electric Power Technology Co ltd
Current assignee: Baoding Mengyang Electric Power Technology Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-02-11
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a small current grounding device with an anti-drop interface, wherein the back of a grounding device body is provided with a line clamping plate, the line clamping plate can limit a connecting wire connected on the interface so as to prevent the connecting wire from dropping off, a line is led out from a wire outlet, a fixing buckle is fastened by a fixing bolt after the line is led out, the grounding device body is convenient for a worker to operate, the connecting wire can be prevented from dropping off under the action of strong external force on the interface, the connection stability of the device is improved, both sides of the grounding device body are provided with side opening plates, the arrangement of the buckle and the clamping groove avoids the problem that the side opening plates are troublesome when being connected with the grounding device body, only a pull ring needs to be held to pull outwards to enable the buckle on one side of the grounding device body to leave the inside of the clamping groove, so that the separation of the side opening plates from the grounding device body is finished, and the maintenance of the inside of the grounding device body is convenient for the worker, and the operation mode is simple, and the working efficiency is improved.

Description

Interface anti-drop's undercurrent earthing device

Technical Field

The utility model relates to the technical field of grounding devices, in particular to a small-current grounding device with an anti-drop interface.

Background

The small current grounding system is a three-phase system with a neutral point not grounded or grounded through an arc suppression coil and high impedance, and is also called a neutral point indirect grounding system. When a ground fault occurs in a phase, the ground fault current tends to be much smaller than the load current because a short circuit cannot be formed, so this system is called a "low current grounding system".

The low-current grounding device is generally a microcomputer low-current grounding line selection device and is suitable for a low-current grounding system with a neutral point not grounded or grounded through a resistor and an arc suppression coil. The device can be widely applied to power plants, transformer substations and hydropower stations of power systems and power supply systems of large-scale industrial and mining enterprises such as chemical industry, metallurgy, coal, railways and the like. The existing low-current grounding device has the following defects:

1. the interface of the existing low-current grounding device is often lack of a certain protection mechanism, so that the interface is easy to fall off, the overall connection stability of the device is influenced, and the accident is consented to be caused.

2. The existing low-current grounding device is complex in structure, difficult to assemble and maintain and not beneficial to maintenance, repair and use of workers.

In view of these defects, it is necessary to design a low-current grounding device with an anti-drop interface.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a small-current grounding device with an anti-drop interface, which has the advantages of preventing the interface from dropping, being convenient to disassemble and easy to maintain and can solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an interface anti-drop's undercurrent earthing device, includes the earthing device body, the front of earthing device body is provided with the display screen, and one side of display screen is provided with control panel, and control panel's top is provided with the pilot lamp, and the both sides of earthing device body all are provided with the side and open the board, and two sides are opened and are detachable between board and the earthing device body and be connected, and the back of earthing device body is provided with the wiring board.

Preferably, a heat dissipation port is formed in the top surface of the grounding device body, a heat dissipation fan is arranged inside the grounding device body and is arranged right below the heat dissipation port, lifting handles are arranged on two sides of the heat dissipation port, and supporting legs are arranged on the bottom surface of the grounding device body.

Preferably, the card line board bilateral symmetry is provided with two, the side of card line board is provided with the hinged end, the back at the earthing device body is connected through the hinged end to the card line board, the inside of card line board is provided with the interface, the one end fixed connection of interface is on the earthing device body, the interface is connected for the electricity with the inside of earthing device body, the outlet has been seted up on the front of card line board, the position and the interface phase-match of outlet, the size of outlet is less than the size of interface, two card line board junctions are provided with the fixed knot, the fixed front that sets up the card line board on one side of fixed knot, be provided with the screw on the front of the card line board of opposite side, the inside of fixed knot is provided with fixing bolt.

Preferably, one side in the outside of board is opened to the side is provided with the pull ring, and one side of inboard side of opening the board is provided with the lug, and the draw-in groove has been seted up to the side of lug, is provided with the spring groove on the inboard wall of earthing device body, and the position of spring groove and the position phase-match of draw-in groove, the inside in spring groove is provided with expanding spring, and expanding spring's one end fixed connection is on the interior bottom surface in spring groove, and fixedly connected with buckle on expanding spring's the other end, the buckle joint is in the inside of draw-in groove.

Preferably, a latch is arranged on one side of the side opening plate, which is far away from the convex block, and the latch is detachably clamped on the inner side of the grounding device body.

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

1. this interface anti-drop's undercurrent earthing device, the back of earthing device body is provided with the wiring board, the setting of wiring board can be injectd the wiring of connecting on the interface, thereby prevent it and drop, when the wiring, open the wiring board, connect the circuit on the interface, close the wiring board afterwards, draw forth the circuit in by the outlet, draw forth the back and utilize fixing bolt fastening fixed knot, make things convenient for the staff to operate the earthing device body, do not receive under the effect of powerful external force at the interface, can prevent that the wiring from droing, improve device connection stability.

2. This interface anti-drop's undercurrent earthing device, the both sides of earthing device body all are provided with the side and open the board, the more trouble problem when board and this body coupling of earthing device are opened to the side has been avoided in the setting of buckle and draw-in groove, only need hold the pull ring and outwards draw the buckle that makes earthing device body one side and leave the inside of draw-in groove, at this moment just can hold the side and open the board and take off it, just so accomplish the separation of side division board and earthing device body, make things convenient for the user to maintain the inside of earthing device body, and the operation is simple, and the work efficiency is improved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic rear view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic side view of the present invention;

FIG. 5 is a schematic view of a wire clamping plate according to the present invention;

fig. 6 is an enlarged view of the internal structure at a in fig. 3.

In the figure: 1. a grounding device body; 2. lifting the handle; 3. a display screen; 4. an indicator light; 5. a control panel; 6. supporting legs; 7. a wire clamping plate; 8. a fixing buckle; 9. an outlet; 10. an interface; 11. a heat dissipation port; 12. a hinged end; 13. laterally opening the plate; 14. a pull ring; 15. fixing the bolt; 16. a bump; 17. a card slot; 18. a spring slot; 19. a tension spring; 20. and (5) buckling.

Detailed Description

The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a small current grounding device with an anti-drop interface comprises a grounding device body 1, a display screen 3 is arranged on the front surface of the grounding device body 1, a control panel 5 is arranged on one side of the display screen 3, an indicator lamp 4 is arranged above the control panel 5, side opening plates 13 are arranged on two sides of the grounding device body 1, the two side opening plates 13 and the grounding device body 1 are detachably connected, a wire clamping plate 7 is arranged on the back surface of the grounding device body 1, a heat dissipation port 11 is formed in the top surface of the grounding device body 1, a heat dissipation fan is arranged inside the grounding device body 1 and arranged right below the heat dissipation port 11, lifting handles 2 are arranged on two sides of the heat dissipation port 11, and supporting legs 6 are arranged on the bottom surface of the grounding device body 1.

Referring to fig. 4-5, two line clamping plates 7 are symmetrically arranged on the left and right, a hinged end 12 is arranged on the side of the line clamping plate 7, the line clamping plate 7 is hinged to the back of the grounding device body 1 through the hinged end 12, an interface 10 is arranged inside the line clamping plate 7, one end of the interface 10 is fixedly connected to the grounding device body 1, the interface 10 is electrically connected with the inside of the grounding device body 1, a wire outlet 9 is arranged on the front of the line clamping plate 7, the position of the wire outlet 9 is matched with the interface 10, the size of the wire outlet 9 is smaller than that of the interface 10, a fixing buckle 8 is arranged at the joint of the two line clamping plates 7, the fixing buckle 8 is fixedly arranged on the front of the line clamping plate 7 on one side, a screw hole is arranged on the front of the line clamping plate 7 on the other side, a fixing bolt 15 is arranged inside the fixing buckle 8, and the line clamping plate 7 can limit the connection on the interface 10, thereby prevent it and drop, when the wiring, open card line board 7, connect the circuit on interface 10, close card line board 7 afterwards, draw the circuit in by outlet 9, utilize fixing bolt 15 fastening after drawing forth to detain 8, make things convenient for the staff to operate grounding device body 1, do not receive under the effect of powerful external force at interface 10, can prevent that the wiring from dropping, improve device connection stability.

Referring to fig. 6, a pull ring 14 is disposed on one side of the outer side of a side opening plate 13, a protrusion 16 is disposed on one side of the inner side of the side opening plate 13, a slot 17 is disposed on a side surface of the protrusion 16, a spring slot 18 is disposed on a wall surface of the inner side of a grounding device body 1, the position of the spring slot 18 matches the position of the slot 17, a retractable spring 19 is disposed inside the spring slot 18, one end of the retractable spring 19 is fixedly connected to an inner bottom surface of the spring slot 18, a buckle 20 is fixedly connected to the other end of the retractable spring 19, the buckle 20 is clamped inside the slot 17, a latch is disposed on one side of the side opening plate 13 away from the protrusion 16, the latch is detachably clamped to the inner side of the grounding device body 1, the arrangement of the buckle 20 and the slot 17 avoids a problem that the side opening plate 13 is troublesome to connect with the grounding device body 1, only by holding the pull ring 14 to pull outward to make the buckle 20 on one side of the grounding device body 1 leave the inner side of the slot 17, at this moment, the side opening plate 13 can be held and taken down, so that the side opening plate 13 is separated from the grounding device body 1, a user can maintain the inside of the grounding device body 1 conveniently, the operation mode is simple, and the working efficiency is improved.

In summary, in the interface anti-drop small current grounding device, the line clamping plate 7 is arranged to limit the connection line connected to the interface 10 so as to prevent the connection line from dropping off, when the connection line is connected, the line clamping plate 7 is opened to connect the line to the interface 10, then the line clamping plate 7 is closed to lead the line out from the line outlet 9, the fixing buckle 8 is fastened by the fixing bolt 15 after the line is led out, the grounding device body 1 is convenient for a worker to operate, the connection line can be prevented from dropping off without the interface 10 being subjected to strong external force, the connection stability of the device is improved, the arrangement of the buckle 20 and the clamping groove 17 avoids the problem that the connection of the side opening plate 13 and the grounding device body 1 is troublesome, the buckle 20 on one side of the grounding device body 1 is separated from the inside of the clamping groove 17 only by holding the pull ring 14 to pull outwards, the side opening plate 13 can be taken down, and thus the separation of the side opening plate 13 and the grounding device body 1 is completed, make things convenient for the user of service to maintain the inside of earthing device body 1, and operating means is simple, has improved work efficiency.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. The utility model provides an interface anti-drop's undercurrent earthing device, includes earthing device body (1), its characterized in that: the front of earthing device body (1) is provided with display screen (3), and one side of display screen (3) is provided with control panel (5), and the top of control panel (5) is provided with pilot lamp (4), and the both sides of earthing device body (1) all are provided with side and open board (13), are to dismantle between two side and open board (13) and earthing device body (1) and are connected, and the back of earthing device body (1) is provided with wire clamping board (7).

2. The small-current grounding device with the interface anti-dropping function as claimed in claim 1, wherein: the grounding device comprises a grounding device body (1), and is characterized in that a heat dissipation port (11) is formed in the top surface of the grounding device body (1), a heat dissipation fan is arranged inside the grounding device body (1), the heat dissipation fan is arranged under the heat dissipation port (11), lifting handles (2) are arranged on two sides of the heat dissipation port (11), and supporting legs (6) are arranged on the bottom surface of the grounding device body (1).

3. The small-current grounding device with the interface anti-dropping function as claimed in claim 1, wherein: the wire clamping plates (7) are arranged in bilateral symmetry, hinged ends (12) are arranged on the side faces of the wire clamping plates (7), the wire clamping plates (7) are hinged to the back face of the grounding device body (1) through the hinged ends (12), an interface (10) is arranged inside the wire clamping plates (7), one end of the interface (10) is fixedly connected to the grounding device body (1), the interface (10) is electrically connected with the inside of the grounding device body (1), a wire outlet (9) is formed in the front face of the wire clamping plates (7), the position of the wire outlet (9) is matched with the interface (10), the size of the wire outlet (9) is smaller than that of the interface (10), fixing buckles (8) are arranged at the joint of the two wire clamping plates (7), the fixing buckles (8) are fixedly arranged in the front face of the wire clamping plate (7) on one side, screw holes are formed in the front face of the wire clamping plate (7) on the other side, the fixing buckle (8) is internally provided with a fixing bolt (15).

4. The small-current grounding device with the interface anti-dropping function as claimed in claim 1, wherein: one side in the outside of board (13) is opened to the side is provided with pull ring (14), one side that board (13) is opened to the side is inboard is provided with lug (16), draw-in groove (17) have been seted up to the side of lug (16), be provided with spring groove (18) on the inboard wall of earthing device body (1), the position of spring groove (18) and the position phase-match of draw-in groove (17), the inside of spring groove (18) is provided with expanding spring (19), the one end fixed connection of expanding spring (19) is on the interior bottom surface of spring groove (18), fixedly connected with buckle (20) on the other end of expanding spring (19), buckle (20) joint is in the inside of draw-in groove (17).

5. The small-current grounding device with the interface anti-dropping function as claimed in claim 4, wherein: and clamping teeth are arranged on one side of the side opening plate (13) far away from the convex block (16), and the clamping teeth are detachably clamped on the inner side of the grounding device body (1).