CN219224943U

CN219224943U - Grounding state monitoring device

Info

Publication number: CN219224943U
Application number: CN202320719872.8U
Authority: CN
Inventors: 郑凌寒; 赵红军
Original assignee: Sichuan Anbang Weisite Electronic Equipment Co ltd
Current assignee: Sichuan Anbang Weisite Electronic Equipment Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-06-20
Anticipated expiration: 2033-04-04

Abstract

The utility model relates to the technical field of power monitoring devices, and discloses a grounding state monitoring device, which comprises a monitoring network, wherein the monitoring network is composed of a monitoring terminal, a backflow state monitoring unit and a transformer core grounding state monitoring unit, so that independent grounding state monitoring of a transformer and a transformer backflow cable in a transformer substation is realized, monitoring results are uniformly and intensively displayed in the monitoring terminal, a worker does not need to rely on manual recording and checking, the grounding state is automatically monitored and returned, when other components in a subsequent transformer substation need to be subjected to grounding checking, the grounding state monitoring unit and the transformer core grounding state monitoring unit are designed and the backflow state monitoring unit are similar to an intermediate monitoring unit according to corresponding detection standards, the input ends of the monitoring units are in butt joint with the components to be monitored, the input detection standards are met, the output ends of the monitoring units are in butt joint with the monitoring terminal, the output display standards are met, the grounding state monitoring and displaying operation of a new access component can be completed, and the device is convenient to expand.

Description

Grounding state monitoring device

Technical Field

The utility model relates to the technical field of power monitoring devices, in particular to a grounding state monitoring device.

Background

At present, because the grounding state detection standards and methods of transformers, traction reflow cables (in order to prevent the magnetic field formed by single-phase grounding fault current from seriously affecting the outside, an insulating wire with lower impedance can be laid in parallel along a cable line, and two ends of the insulating wire are grounded, the grounding wire is called a reflow wire and is also called a shielding conductor), and the grounding state detection standards and methods are not unified, and cannot be detected in a centralized manner through equipment, the state management of the grounding wire of a transformer substation mainly depends on manual recording and checking, the centralized unified state monitoring of all the grounding wires in the transformer substation cannot be realized, and great operation safety hazards exist.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a grounding status monitoring device to solve the above-mentioned problems in the prior art.

The utility model provides the following technical scheme: the grounding state monitoring device comprises a monitoring network, wherein the monitoring network comprises a monitoring terminal, a backflow state monitoring unit and a transformer core grounding state monitoring unit, the transformer core grounding monitoring unit is used for synchronously accessing and monitoring a plurality of transformer core parts, the backflow state monitoring unit is used for synchronously accessing and monitoring a plurality of traction backflow cables, the transformer core grounding monitoring unit and the backflow state monitoring unit are jointly accessed into the monitoring terminal, monitoring results are intensively displayed, a main carrier of the monitoring terminal is a grounding network state and a backflow state monitoring unit, a main carrier of the backflow state monitoring unit is a traction backflow state cable box, and a main carrier of the transformer core grounding state monitoring unit is a transformer core grounding state monitoring box.

Preferably, a power switch, a protection module, a grounding resistance monitoring module, a grounding copper bar and a wire inlet terminal are integrated in the transformer core grounding state monitoring box, so that the grounding detection operation of the transformer core is completed.

Preferably, the cable box in the traction reflux state is internally provided with wiring terminals for a plurality of reflux cables, so as to complete the grounding detection operation for the traction reflux cables.

Preferably, the ground network state and the reflux state monitoring unit are uniformly and fixedly installed in the screen cabinet, and an exhaust fan, an illuminating lamp, an automatic fire extinguisher and a ground busbar are arranged in the screen cabinet so as to ensure the running safety and the use convenience of the ground network state and the reflux state monitoring unit in the screen cabinet.

Preferably, the transformer core grounding state monitoring box and the traction reflux state cable box are both of IP54 protection level, so that the internal components of the transformer core grounding state monitoring box and the traction reflux state cable box are ensured to run safely and stably for a long time.

Preferably, the grounding network state monitoring unit can be integrated with a communication module, so that the operator can conveniently call the grounding state monitoring data in different places.

The utility model has the technical effects and advantages that:

1. the utility model realizes the independent grounding state monitoring of the transformer and the traction reflow cable in the transformer substation through the monitoring network formed by the monitoring terminal, the reflow state monitoring unit and the transformer core grounding state monitoring unit, and uniformly and intensively displays the monitoring result in the monitoring terminal, the grounding state is automatically monitored and returned without the help of manual recording and checking by staff, and when other components in the subsequent transformer substation need to be subjected to grounding checking, the grounding state monitoring unit and the reflow state monitoring unit are designed to be similar to an intermediate monitoring unit according to corresponding detection standards, the input end of the monitoring unit is in butt joint with the component to be monitored, the input detection standard is met, the output end is in butt joint with the monitoring terminal, and the output display standard is met, thus the grounding state monitoring and displaying operation of the new access component can be completed, and the device is convenient to expand.

Drawings

Fig. 1 is a diagram of a monitoring network system according to the present utility model.

Fig. 2 is a three-view of the external structure of the transformer core grounding state monitoring box according to the present utility model.

Fig. 3 is a schematic diagram of an internal structure of a transformer core grounding state monitoring box according to the present utility model.

FIG. 4 is a diagram showing the grounding state of the transformer core in the first terminal of the present utility model;

FIG. 5 is a second diagram of the terminals in the transformer core grounding state monitoring box according to the present utility model;

fig. 6 is a three view of the exterior structure of the status box of the return cable of the present utility model;

FIG. 7 is a three view of the internal structure of the status box of the return cable of the present utility model;

FIG. 8 is a first terminal block diagram of the utility model in a condition box of a return cable;

fig. 9 is a second terminal termination diagram of the utility model in the return cable status box;

FIG. 10 is a schematic view of a multi-view structure of a cabinet according to the present utility model;

FIG. 11 is a wiring diagram of terminals in a cabinet of the present utility model;

fig. 12 is a wiring diagram of terminals in a cabinet according to the present utility model.

The reference numerals are: 1. a power switch; 2. a protection module; 3. a ground resistance monitoring module; 4. a grounding copper bar; 5. and a wire inlet terminal.

Detailed Description

The embodiments of the present utility model will be described more fully with reference to the drawings in the present utility model, and the configurations of the structures described in the following embodiments are merely examples, and the ground fault state monitoring device according to the present utility model is not limited to the configurations described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any creative effort are within the scope of the present utility model.

The utility model provides a grounding state monitoring device, which comprises a monitoring network, wherein the monitoring network comprises a monitoring terminal, a backflow state monitoring unit and a transformer core grounding state monitoring unit, the transformer core grounding monitoring unit synchronously accesses and monitors a plurality of transformer core parts, the backflow state monitoring unit synchronously accesses and monitors a plurality of traction backflow cables, the transformer core grounding monitoring unit and the backflow state monitoring unit are jointly accessed into the monitoring terminal, monitoring results are displayed in a centralized manner, a main carrier of the monitoring terminal is a grounding network state and a backflow state monitoring unit, a main carrier of the backflow state monitoring unit is a traction backflow state cable box, and a main carrier of the transformer core grounding state monitoring unit is a transformer core grounding state monitoring box.

Further, the power switch 1, the protection module 2, the grounding resistance monitoring module 3, the grounding copper bar 4 and the wire inlet terminal 5 are integrated in the transformer core grounding state monitoring box, so that the grounding detection operation of the transformer core is completed.

Further, the connecting terminals for a plurality of reflow cables are arranged in the traction reflow state cable box, and the grounding detection operation for the traction reflow cables is completed.

Further, the ground net state and the reflux state monitoring unit are uniformly and fixedly installed in the screen cabinet, and an exhaust fan, an illuminating lamp, an automatic fire extinguisher and a grounding busbar are arranged in the screen cabinet, so that the running safety and the use convenience of the ground net state and the reflux state monitoring unit in the screen cabinet are ensured.

Further, the transformer core grounding state monitoring box and the traction reflux state cable box are both of IP54 protection level, so that the safety and stability of the internal components of the transformer core grounding state monitoring box and the traction reflux state cable box are ensured.

Furthermore, a communication module can be integrated in the grounding network state monitoring unit, so that the operator can conveniently call the grounding state monitoring data in different places.

The working principle of the utility model is as follows:

when the transformer grounding state monitoring system is used, a plurality of transformers are respectively butted into a group by a worker, the transformer core grounding state monitoring boxes are used for independently monitoring the grounding states of the transformers corresponding to the transformer core grounding state monitoring boxes, the traction reflow cables are butted into the traction reflow state cable boxes, the grounding states of the reflow cables are independently monitored, then the transformer core grounding state monitoring boxes and the traction reflow state cable boxes are integrally butted through the monitoring terminal grounding grid, monitoring results are integrally and intensively displayed by the reflow state monitoring units of the monitoring terminal, the worker does not need to rely on manual recording and checking, the grounding states are automatically monitored and returned, and when other components in a subsequent transformer substation need to be subjected to grounding checking, the middle monitoring units are similar to the reflow state monitoring units, the input ends of the monitoring units are butted with the components to be monitored, the input detection standards are met, the output ends are butted with the monitoring terminals, the output display standards are met, and the grounding monitoring display operation of the new access components can be completed.

The utility model realizes the independent grounding state monitoring of the transformer and the traction reflow cable in the transformer substation through the monitoring network formed by the monitoring terminal, the reflow state monitoring unit and the transformer core grounding state monitoring unit, and uniformly and intensively displays the monitoring result in the monitoring terminal, the grounding state is automatically monitored and returned without the help of manual recording and checking by staff, and when other components in the subsequent transformer substation need to be subjected to grounding checking, the grounding state monitoring unit and the reflow state monitoring unit are designed to be similar to an intermediate monitoring unit according to corresponding detection standards, the input end of the monitoring unit is in butt joint with the component to be monitored, the input detection standard is met, the output end is in butt joint with the monitoring terminal, and the output display standard is met, thus the grounding state monitoring and displaying operation of the new access component can be completed, and the device is convenient to expand.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a ground state monitoring devices, includes monitoring network, its characterized in that: the monitoring network comprises a monitoring terminal, a backflow state monitoring unit and a transformer core grounding state monitoring unit, wherein the transformer core grounding monitoring unit synchronously accesses and monitors a plurality of transformer core parts, the backflow state monitoring unit synchronously accesses and monitors a plurality of traction backflow cables, the transformer core grounding monitoring unit and the backflow state monitoring unit are jointly accessed to the monitoring terminal and intensively display monitoring results, the monitoring terminal is mainly in a grounding network state and in a backflow state monitoring unit, the backflow state monitoring unit is mainly in a traction backflow state cable box, and the transformer core grounding state monitoring unit is mainly in a transformer core grounding state monitoring box.

2. The ground state monitoring device according to claim 1, wherein: the transformer core grounding state monitoring box is internally integrated with a power switch (1), a protection module (2), a grounding resistance monitoring module (3), a grounding copper bar (4) and a wire inlet terminal (5).

3. The ground state monitoring device according to claim 1, wherein: and wiring terminals for a plurality of reflow cables are arranged in the traction reflow state cable box.

4. The ground state monitoring device according to claim 1, wherein: the ground net state and reflux state monitoring unit is uniformly and fixedly installed in the screen cabinet, and an exhaust fan, an illuminating lamp, an automatic fire extinguisher and a grounding busbar are arranged in the screen cabinet.

5. The ground state monitoring device according to claim 1, wherein: the transformer core grounding state monitoring box and the traction reflux state cable box are both of IP54 protection grade.

6. The ground state monitoring device according to claim 1, wherein: the grounding network state monitoring unit can be integrated with a communication module.