CN217238257U

CN217238257U - Single-phase grounding line selection monitoring device

Info

Publication number: CN217238257U
Application number: CN202220332964.6U
Authority: CN
Inventors: 高善学
Original assignee: Shanxi Jintong Transmission And Transfer Co ltd
Current assignee: Shanxi Jintong Transmission And Transfer Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-08-19
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses a single-phase grounding line selection monitoring device, a first wire holder is fixedly connected on a monitoring device body and is electrically connected with a monitoring circuit therein, the end part of a connecting wire is electrically connected with a second wire holder, and the second wire holder is nested and spliced with the first wire holder and realizes the electrical connection; an insertion groove is formed in the end portion of the first wiring seat, sliding grooves are formed in two sides of the insertion groove, a sliding rod is installed in each sliding groove, and a first electrode is fixedly connected to the outer side end of each sliding rod; the end part of the second wiring seat is provided with a mounting cavity, the mounting cavity is internally provided with a plug socket which is nested and plugged with the plug slot in a sliding manner, the side wall of the plug socket is provided with a groove which is nested and plugged with the sliding rod, the groove is fixedly connected with a second electrode, the mounting cavity is also internally provided with a driving mechanism which is linked with the plug socket in a matching manner, and the driving mechanism controls the plug socket to move in a stretching manner. The utility model discloses can effectively avoid the staff to electrocute, improve the security of detection device body.

Description

Single-phase grounding line selection monitoring device

Technical Field

The utility model relates to an electric power system check out test set technical field, specific single-phase ground connection route selection monitoring devices that says so.

Background

The single-phase grounding line selection monitoring device is a key device for detecting whether a power transmission line has a fault or not and determining a fault line, the traditional single-phase grounding line selection monitoring device needs to be connected with the monitoring device and the detection line through a connecting wire for detection when the fault of the line is detected, and the electric leakage phenomenon can occur at the interface between the monitoring device and the connecting wire due to poor insulation treatment effect, so that certain potential safety hazard exists, and therefore, the single-phase grounding line selection monitoring device with the good insulation effect at the interface position is necessary to be designed.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a single-phase ground connection route selection monitoring devices can effectively avoid the staff to electrocute, improves the security of detection device body.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a single-phase grounding line selection monitoring device comprises a monitoring device body, a connecting wire, a first wire holder and a second wire holder, wherein the first wire holder is fixedly connected to the monitoring device body and electrically connected with a monitoring circuit in the monitoring device body;

an insertion groove is formed in the end part of the first wire holder, sliding grooves are formed in two sides of the insertion groove, a sliding rod penetrating into the insertion groove is slidably mounted in the sliding groove, a first spring abutting against the inner side end of the sliding rod is mounted in the sliding groove in a nested mode, a first electrode is fixedly connected to the outer side end of the sliding rod, and the first electrode is electrically connected with a detection circuit in the detection device body through a first lead;

the end part of the second wiring seat is provided with a mounting cavity, the mounting cavity is internally provided with a plug socket which is nested and plugged with the plug groove in a sliding manner, the side wall of the plug socket is provided with a groove which is nested and plugged with the sliding rod, a second electrode is fixedly connected in the groove and electrically connected with the connecting wire through a second wire, the mounting cavity is also internally provided with a driving mechanism which is linked with the plug socket in a matching manner, and the driving mechanism controls the telescopic motion of the plug socket.

The outer edge of the first wire holder is provided with an inwards concave nesting groove, the outer edge of the second wire holder is fixedly connected with a nesting seat which is nested and spliced with the nesting groove, and a first magnet and a second magnet which attract each other are respectively arranged at the relative positions of the nesting groove and the nesting seat.

The drive mechanism includes: the top plate is slidably installed in the installation cavity, the end part of the top plate penetrates out of the outer side of the installation cavity, the second spring is installed in the installation cavity in a nested mode and abutted to the inner side end of the top plate, the first rack is fixedly connected to the side wall of the top plate and arranged in the installation cavity, the second rack is fixedly connected to the side wall of the plug-in socket and arranged in the installation cavity, and the transmission gear is rotatably installed in the installation cavity and keeps meshed with the first rack and the second rack.

The end part of the first wire holder is also provided with a slot which is nested and combined with the top plate.

And a wiring cavity is further formed in the plug socket, and the second wires are led into the wiring cavity and are distributed in a snake shape.

The utility model has the advantages that: when the top plate butts against the first wiring seat and withdraws the installation cavity, the connection-peg can be driven to stretch out and be nested and inserted in the insertion-connection groove, the sliding rod is nested and inserted in the groove of the connection-peg, so that the first electrode is electrically connected with the second motor, and the connection part of the first electrode and the second electrode is protected by the insertion-connection groove and the groove, thereby effectively avoiding the electric leakage phenomenon. When the disconnection, extract the second wire holder from first wire holder, when first magnet and second magnet cancel the effect of inter attraction, the plugboard outwards pops out under the effect of second spring, and then makes the plug socket withdraw to the installation cavity in, recess, second electrode receive the protection of installation cavity this moment, can effectively avoid the staff to electrocute, improve the security of detection device body.

Drawings

Fig. 1 is a schematic structural view of a first wire holder of the present invention;

FIG. 2 is an enlarged detail view of portion A of FIG. 1;

FIG. 3 is a schematic structural view of a second wire holder according to the present invention;

FIG. 4 is an enlarged detail view of the portion B of FIG. 3;

fig. 5 is an enlarged detail view of the portion C in fig. 3.

In the figure: the device comprises a monitoring device body 1, a connecting wire 2, a first wire holder 3, a second wire holder 4, a splicing groove 5, a sliding groove 6, a sliding rod 7, a first spring 8, a first electrode 9, a first wire 10, an installation cavity 11, a splicing seat 12, a groove 13, a second electrode 14, a second wire 15, a nesting groove 16, a nesting seat 17, a first magnet 18, a second magnet 19, a top plate 20, a second spring 21, a first rack 22, a second rack 23, a transmission gear 24, a slot 25 and a wiring cavity 26.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-5, a single-phase grounding line selection monitoring device includes a monitoring device body 1, a connecting wire 2, a first wire holder 3, and a second wire holder 4, wherein the first wire holder 3 is fixedly connected to the monitoring device body 1 and electrically connected to a monitoring circuit therein, an end of the connecting wire 2 is electrically connected to the second wire holder 4, and the second wire holder 4 is inserted into the first wire holder 3 in a nested manner and electrically connected thereto;

an insertion groove 5 is formed in the end portion of the first wire holder 3, sliding grooves 6 are formed in two sides of the insertion groove 5, a sliding rod 7 penetrating into the insertion groove 5 is slidably mounted in the sliding groove 6, a first spring 8 abutting against the inner side end of the sliding rod 7 is nested in the sliding groove 6, a first electrode 9 is fixedly connected to the outer side end of the sliding rod 7, and the first electrode 9 is electrically connected with a detection circuit in the detection device body through a first lead 10;

the end part of the second wire holder 4 is provided with a mounting cavity 11, a plug socket 12 which is nested and plugged with the plug groove 5 is slidably mounted in the mounting cavity 11, a groove 13 which is nested and plugged with the sliding rod 7 is formed in the side wall of the plug socket 12, a second electrode 14 is fixedly connected in the groove 13, the second electrode 14 is electrically connected with the connecting wire 2 through a second wire 15, a driving mechanism which is linked with the plug socket 12 is further mounted in the mounting cavity 11 in a matched manner, and the driving mechanism controls the plug socket 12 to move in a telescopic manner.

The utility model discloses in, inside sunken nested groove 16 has been seted up to the outer fringe of first connection terminal 3, and the outer fringe rigid coupling of second connection terminal 4 has the nested seat 17 with the 16 nested grafting in nested groove, and nested groove 16, the relative position of nested seat 17 are provided with first magnet 18, the second magnet 19 that attracts each other respectively, improve the stability of first connection terminal 3 when nested with second connection terminal 4.

The drive mechanism includes: the top plate 20 is slidably mounted in the mounting cavity 11 and the end of the top plate passes through the outer side of the mounting cavity 11, the second spring 21 is nestedly mounted in the mounting cavity 11 and is abutted against the inner end of the top plate 20, the first rack 22 is fixedly connected to the side wall of the top plate 20 and is arranged in the mounting cavity 11, the second rack 23 is fixedly connected to the side wall of the plug-in socket 12 and is arranged in the mounting cavity 11, and the transmission gear 24 is rotatably mounted in the mounting cavity 11 and is kept meshed with the first rack 22 and the second rack 23.

When the first wire holder 3 and the second wire holder 4 are nested and plugged, the top plate 20 is retracted into the mounting cavity 11 under the action of the first wire holder 3, the first rack 22 is driven to move synchronously in the process, the second rack 23 and the plug socket 12 fixedly connected with the second rack 23 are driven to move towards the outer side of the mounting cavity 11 through the transmission gear 24, and then the plug socket 5 is inserted to realize the electrical connection between the first lead 10 and the second lead 15.

The end of the first wire holder 3 is further provided with a slot 25 nested and combined with the top plate 20, so that the top plate 20 can be stably abutted against the first wire holder 3.

Still seted up wiring chamber 26 in the bayonet socket 12, second wire 15 lets in wiring chamber 26 and is snakelike arranging, and at the outside in-process that stretches out of bayonet socket 12, snakelike second wire 15 of arranging can realize tensile, avoids second wire 15 to take place to stretch out, influences the normal monitoring of detection device body.

The utility model discloses a theory of operation is: when the detection device is used, one end of the connecting wire 2 is connected to a detection circuit, the second wire holder 4 at the other end of the connecting wire 2 is nested and plugged with the first wire holder 3 on the monitoring device body 1, the plugging base 12 can be driven to extend out and be nested and plugged in the plugging groove 5 when the top plate 20 abuts against the first wire holder 3 and withdraws the installation cavity 11, in the process, the sliding rod 7 is nested and plugged in the groove 13 of the plugging base 12, so that the first electrode 9 is electrically connected with the second motor, the connection between the detection circuit and the detection device body is further realized, after the first wire holder 3 and the second wire holder 4 are plugged and combined, the first magnet 18 and the second magnet 19 attract each other, the stable connection between the first electrode 9 and the second electrode 14 can be ensured, the connection part of the first electrode 9 and the second electrode 14 is protected by the plugging groove 5 and the groove 13, and the occurrence of electric leakage can be effectively avoided.

When the connection is disconnected, the second wire holder 4 is pulled out of the first wire holder 3, when the first magnet 18 and the second magnet 19 cancel the mutual attraction, the plug board is outwards popped out under the action of the second spring 21, and then the plug board 12 is retracted into the installation cavity 11, and at the moment, the groove 13 and the second electrode 14 are protected by the installation cavity 11, so that electric shock of workers can be effectively avoided, and the safety of the detection device body is improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes 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. Any reference sign in a claim should not 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 single-phase ground connection route selection monitoring devices which characterized in that: the monitoring device comprises a monitoring device body (1), a connecting wire (2), a first wire holder (3) and a second wire holder (4), wherein the first wire holder (3) is fixedly connected to the monitoring device body (1) and is electrically connected with a monitoring circuit in the monitoring device body, the end part of the connecting wire (2) is electrically connected with the second wire holder (4), and the second wire holder (4) is nested and spliced with the first wire holder (3) to realize electrical connection;

the end part of the first wire holder (3) is provided with an insertion groove (5), sliding grooves (6) are arranged on two sides of the insertion groove (5), a sliding rod (7) penetrating into the insertion groove (5) is slidably mounted in the sliding groove (6), a first spring (8) abutting against the inner side end of the sliding rod (7) is nested in the sliding groove (6), a first electrode (9) is fixedly connected to the outer side end of the sliding rod (7), and the first electrode (9) is electrically connected with a detection circuit in the detection device body through a first lead (10);

the end part of the second wiring seat (4) is provided with a mounting cavity (11), a plug socket (12) which is nested and plugged with the plug groove (5) is slidably mounted in the mounting cavity (11), the side wall of the plug socket (12) is provided with a groove (13) which is nested and plugged with the sliding rod (7), a second electrode (14) is fixedly connected in the groove (13), the second electrode (14) is electrically connected with the connecting wire (2) through a second wire (15), a driving mechanism which is linked with the plug socket (12) is further mounted in the mounting cavity (11) in a matched manner, and the driving mechanism controls the plug socket (12) to do telescopic motion.

2. The single-phase grounding line selection monitoring device according to claim 1, characterized in that: the outer edge of the first wire holder (3) is provided with an inwards concave nesting groove (16), the outer edge of the second wire holder (4) is fixedly connected with a nesting seat (17) which is nested and connected with the nesting groove (16), and the relative positions of the nesting groove (16) and the nesting seat (17) are respectively provided with a first magnet (18) and a second magnet (19) which attract each other.

3. The single-phase grounding line selection monitoring device according to claim 1, characterized in that: the drive mechanism includes: the top plate (20) is slidably mounted in the mounting cavity (11) and the end of the top plate penetrates out of the outer side of the mounting cavity (11), the second spring (21) is mounted in the mounting cavity (11) in a nested mode and abutted against the inner side end of the top plate (20), the first rack (22) is fixedly connected to the side wall of the top plate (20) and arranged in the mounting cavity (11), the second rack (23) is fixedly connected to the side wall of the plug-in socket (12) and arranged in the mounting cavity (11), and the transmission gear (24) is rotatably mounted in the mounting cavity (11) and keeps meshed with the first rack (22) and the second rack (23).

4. A single-phase earth line selection monitoring device according to claim 3, characterized in that: the end part of the first wire holder (3) is also provided with a slot (25) which is nested and combined with the top plate (20).

5. The single-phase grounding line selection monitoring device according to claim 1, characterized in that: and a wiring cavity (26) is further formed in the plug socket (12), and the second wires (15) are led into the wiring cavity (26) and are arranged in a snake shape.