CN218995503U

CN218995503U - High-voltage electrified warning device for mine, tunnel or coal mine

Info

Publication number: CN218995503U
Application number: CN202223307081.9U
Authority: CN
Inventors: 陈士明; 胡祎焓
Original assignee: Beijing Longvega Technology Development Co ltd
Current assignee: Beijing Longvega Technology Development Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-09
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a high-voltage live warning device for mines, tunnels or coal mines, which comprises a lower binding post, an insulating shell, a sensor, a stroboscopic circuit and a luminous tube, wherein the lower binding post is connected to the bottom of the insulating shell in a sealing manner, the lower binding post can be electrically connected with a high-voltage live body, the lower binding post is connected with the sensor, the sensor can generate induced current according to the high voltage of the high-voltage live body, the sensor is electrically connected with the luminous tube through the stroboscopic circuit, and the luminous tube is arranged on the side wall of the insulating shell. The utility model can improve the use safety of underground high-voltage transmission and distribution equipment of mines, tunnels or coal mines.

Description

High-voltage electrified warning device for mine, tunnel or coal mine

Technical Field

The utility model relates to the technical field of underground high-voltage power transmission and distribution equipment of mines, tunnels or coal mines, in particular to a high-voltage live warning device for the mines, tunnels or coal mines.

Background

The high-voltage live display device is used for indicating the live state of high voltage, and the traditional high-voltage live display device generally comprises a detection sensor and a display device. Because of the narrow equipment space in the underground coal mine and other occasions, the traditional high-voltage electrified display device is difficult to install and use in the underground coal mine equipment. In addition, because flammable and explosive gases exist in the underground coal mine and other occasions, the detection sensor in the conventional electrified display device has large grounding current and high open-circuit voltage, and the flammable and explosive gases existing in the underground coal mine are easy to ignite, so that great potential safety hazards exist. In the underground coal mine and other occasions, a high-voltage electrified display device suitable for explosion-proof requirements is urgently needed to prompt operators to strictly forbid electrified uncovering so as to meet the explosion-proof requirements in the underground coal mine and other complex environments.

Disclosure of Invention

The purpose of this application is to provide a high-voltage live warning device for mine, tunnel or colliery in pit, has solved current high-voltage live display device and can not satisfy the technical problem of explosion-proof requirement, has reached the technical effect that high-voltage live display device satisfies the explosion-proof requirement in complex environment such as colliery in pit.

In a first aspect, the embodiment of the application provides a high-voltage live warning device for mine, tunnel or colliery in pit, including lower terminal, insulating housing, sensor, stroboscopic circuit and luminotron, lower terminal glues the bottom of sealing in insulating housing, and lower terminal can be connected with high-voltage live body electricity, and lower terminal is connected with the sensor, and the sensor can produce induced current according to the high pressure of high-voltage live body, and the sensor passes through stroboscopic circuit and luminotron electricity is connected, and the luminotron is located on insulating housing's the lateral wall.

In one possible implementation, the device further comprises an induction polar plate, wherein the induction polar plate is connected to the top of the insulating shell in a glue sealing manner, and the induction polar plate can generate induction charges according to the high voltage of the high-voltage electrified body.

In another possible embodiment, the lower terminal has a mounting hole on the bottom surface for electrical connection to a high-voltage electrical conductor.

In another possible implementation, the top surface of the sensing plate is provided with a ground connection hole for factory test connection.

In another possible implementation, the edges of the sensing plates are enclosed within an insulating housing.

In another possible implementation, the outer side wall of the insulating housing is of an umbrella skirt structure.

In another possible implementation, the insulating housing is made of DMC insulating material, and insulating resin is poured into the insulating housing to glue the sensor, the strobe circuit and the luminous tube.

In another possible implementation manner, the plurality of luminous tubes are uniformly distributed on the periphery of the insulating shell.

In another possible implementation, each luminous tube comprises a stroboscopic indicator light and a light guide column, the stroboscopic indicator light is connected in the light guide column in a sleeved mode, and the light guide column extends to the inner side wall of the insulating shell.

In another possible implementation, the lower terminal is mounted on the incoming line end of the live isolation static contact bus in the observation window of the high-voltage electric equipment.

Compared with the prior art, the embodiment of the application has the beneficial effects that:

the embodiment of the application is convenient for directly butt the lower binding post on the double-screw bolt on the high-voltage electrified body, when having high pressure on the high-voltage electrified body, can send out light through the luminotron and provide the high-voltage electrified body and have high-voltage electricity to improve the result of use of this application embodiment in occasions such as colliery in pit. Simultaneously, this application embodiment is sealed through insulating housing, and lower terminal glue seals simultaneously and connects in insulating housing's bottom for this application embodiment's leakproofness is high, can improve this application embodiment in the explosion-proof effect under occasions such as colliery in the pit when using, and can protect the erosion of the corrosive gas and the liquid of the electronic component in this application embodiment, has improved this application embodiment's life.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the structure of the present utility model at a first viewing angle;

FIG. 2 is a schematic view of the structure of the present utility model at a second viewing angle;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is a schematic diagram of a stereoscopic rendering structure of the present utility model;

FIG. 5 is a schematic cross-sectional rendering structure of the present utility model;

110, lower terminal in the figure; 111. a mounting hole; 120. an induction polar plate; 121. a ground connection hole; 200. an insulating housing; 210. an insulating resin; 310. a sensor; 320. a strobe circuit; 400. a luminous tube; 410. a strobe indicator light; 420. a light guide column; 500. a high-voltage charge body.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element or structure is referred to as being "mounted" or "disposed" on another element or structure, it can be directly on the other element or structure or be indirectly on the other element or structure. When an element or structure is referred to as being "connected to" another element or structure, it can be directly connected to the other element or structure or be indirectly connected to the other element or structure.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the device or a component or structure being referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The detection sensor in the conventional electrified display device has large grounding current and high open-circuit voltage, is easy to lead flammable and explosive gas existing in occasions such as coal mines and the like, and has great potential safety hazard. The embodiment of the application provides a high-voltage live warning device for mines, tunnels or underground coal mines, indicates the high-voltage live body through the response mode, and the leakproofness is high, and the installation of being convenient for is favorable to improving the security of live display device when occasions such as coal mine use.

The embodiment of the application provides a high-voltage live warning device for mine, tunnel or colliery in pit, including lower terminal 110, insulating housing 200, sensor 310, stroboscopic circuit 320 and luminotron 400, lower terminal 110 glues the bottom of sealing and connecting in insulating housing 200, and lower terminal 110 can be connected with high-voltage live body 500 electricity, and lower terminal 110 is connected with sensor 310, and sensor 310 can produce induced current according to the high pressure of high-voltage live body 500, and sensor 310 passes through stroboscopic circuit 320 and luminotron 400 electricity is connected, and luminotron 400 is located on insulating housing 200's the lateral wall.

Specifically, as shown in fig. 1 to 5, the lower terminal 110 is used for electrically connecting with the high-voltage electrified body 500, so as to facilitate the installation of the warning device; the lower terminal 110 is connected to the sensor 310, so that the lower terminal 110 can conduct high voltage on the high voltage charged body 500 to the sensor 310, the sensor 310 can generate induced current according to the high voltage of the high voltage charged body 500, and further drive the luminous tube 400 to emit light, and the luminous tube 400 is used for indicating that the high voltage charged body 500 is provided with high voltage on the side wall of the insulating housing 200 when the luminous tube 400 emits light.

When the embodiment of the application is used, the lower binding post 110 is convenient to directly abut against the stud on the high-voltage electrified body 500, and when the high-voltage electrified body 500 has high voltage, the high-voltage electrified body 500 can be provided with high voltage electricity by the luminous tube 400 to emit light, so that the application effect of the embodiment in the underground coal mine and other occasions is improved. Meanwhile, the embodiment of the application is sealed through the insulating housing 200, and meanwhile, the lower binding post 110 is in glue sealing connection with the bottom of the insulating housing 200, so that the tightness of the embodiment of the application is high, the explosion-proof effect of the embodiment of the application in occasions such as underground coal mines can be improved when the embodiment of the application is used, the electronic element in the embodiment of the application can be protected from being corroded by corrosive gas and liquid, and the service life of the embodiment of the application is prolonged.

The embodiment of the application is suitable for being used for high-voltage electrified bodies with the nominal voltage of 3kV and above and the frequency of 50Hz, is suitable for being used on mining flame-proof type electrical equipment in an underground explosive gas environment of a coal mine, can also directly replace a high-voltage electroscope, carries out detection prompt for damaging the high-voltage electrified environment, and improves the safety of staff. The embodiment of the application is a passive detection prompt alarm device, is suitable for carrying out high-voltage prompt alarm on mining flameproof high-voltage equipment in occasions such as underground coal mines, and can provide warning of a main loop voltage state at a high-voltage electric installation position for operators, so that misoperation of high-voltage live working is prevented, and meanwhile safety of high-voltage work and mine environment is improved.

It should be noted that the sensor 310 may include an inductor, an ac transformer, or other electronic components or circuits capable of generating an induced current according to a high voltage, and the embodiment of the present application is not limited to the specific form and specific structure of the sensor 310.

The sensor 310 may include an electric field sensing element, an amplifying circuit, and the like, so as to achieve efficient power supply to the strobe circuit 320.

In some implementations, as shown in fig. 2, the embodiment of the application further includes an induction polar plate 120, where the induction polar plate 120 is glue sealed and connected to the top of the insulating housing 200, the induction polar plate 120 can generate induction charges according to the high voltage of the high voltage charged body 500, and the induction polar plate 120 can generate induction charges according to the high voltage electromotive force on the high voltage charged body 500, so that the effect of generating induction current when the embodiment of the application is used is further improved.

In some implementations, the bottom surface of the lower terminal 110 is provided with a mounting hole 111 for electrically connecting with the high-voltage charged body 500, and the lower terminal 110 is convenient to be directly mounted on the high-voltage charged body 500 through the mounting hole 111, so that the embodiment of the application is convenient to be directly mounted on the high-voltage charged body 500, and the quick mounting of the embodiment of the application is convenient to be realized.

The embodiment of the application is convenient to install the embodiment of the application at the incoming line bus and the incoming line end of the breaker of high-voltage equipment such as an explosion-proof high-voltage distribution device and an explosion-proof mobile substation through the mounting hole 111, so that the high-voltage equipment can be conveniently and efficiently electrified detected, the dotted detection and indication effect of the high-voltage equipment are improved, and the use safety of the high-voltage equipment is improved.

The installation of this application embodiment is very convenient, only need with this application embodiment through the bolt direct fastening on the high-voltage live body can to be fit for installing on the old equipment of mining high-voltage pairing device and mobile substation high-voltage switch, can improve the safety in utilization of these old equipment.

In some implementations, the top surface of the sensing polar plate 120 is provided with a grounding connection hole 121 for factory test connection, and the grounding connection hole 121 is used for connecting the embodiment of the application with external test equipment, so that the embodiment of the application is convenient to connect with the test equipment when factory, and the test efficiency of the embodiment of the application is improved.

In use of the present embodiment, the lower terminal 110 is secured to the power inlet busbar, the breaker inlet terminal, or the isolation blade power side. The induction polar plate 120 is suspended, the grounding connection hole 121 on the induction polar plate 120 is used as a grounding connection point for factory test connection, the grounding current on the grounding connection hole 121 is not more than 10uA, and the test is safe and reliable and convenient.

In some implementations, as shown in fig. 2, the edge of the sensing electrode plate 120 is enclosed in the insulating housing 200, so that the insulating effect of the sensing electrode plate 120 is further improved, the sensing electrode plate 120 is prevented from directly carrying high-voltage electricity, and the safety in use of the embodiment of the application is improved.

In some implementations, the outer sidewall of the insulating housing 200 is in an umbrella skirt structure, so that the insulating housing 200 in the embodiment of the application forms a structure similar to an insulator, so that the insulating housing 200 has a creepage distance as long as possible, can prevent pollution flashover, improves the insulating performance of the embodiment of the application, and improves the safety of the embodiment of the application in detecting high-voltage electrification.

In some implementations, the insulating housing 200 is made of DMC insulating material, and insulating resin 210 is poured into the insulating housing 200 to glue the sensor 310, the strobe circuit 320 and the light emitting tube 400.

In some implementations, the number of light emitting tubes 400 is plural, and the plurality of light emitting tubes 400 are uniformly distributed on the periphery side of the insulating housing 200, so that the light emitting tubes 400 are uniformly distributed in the middle of the insulating body, and further the embodiment of the application can be installed in any angle direction in a rotatable manner, so that the light emitting state of the light emitting tubes 400 can be observed conveniently.

In some implementations, each luminous tube 400 includes a strobe indicator light 410 and a light guide post 420, the strobe indicator light 410 is connected in the light guide post 420 in a sleeved mode, and the light guide post 420 extends to the inner side wall of the insulating housing 200.

In some implementations, the lower terminal 110 is mounted on the incoming end of a live isolation static contact bus in a viewing window of a high voltage powered device. The embodiment of the application can be directly installed on the incoming line end of the live isolation static contact bus which is easy to observe in the high-voltage explosion-proof Guan Jiexian sub-observation window, the copper bar and other observation windows, and the space volume required by the installation and use of the live isolation static contact bus can be greatly reduced during the installation, so that the live isolation static contact bus can be installed and used in a smaller space and can be used in equipment with limited space such as an explosion-proof switch.

The embodiment of the application is generally arranged in a wire inlet bus, a circuit breaker, a main transformer, a switch cabinet, a GIS (gasinsulated switchgear) combined electrical appliance and other places needing to be displayed whether to be electrified or not; to prevent electrical mishandling, the operator is provided with information on the status of the main circuit voltage at the high voltage electrical installation.

The embodiment of the application provides an integrated structural design of a high-voltage electrified warning device for mines, tunnels or coal mines, and the appearance structure of the embodiment of the application is a high-voltage insulating piece; the high-voltage charge is led into the inductor through the electric field induction principle, after the accumulated charge of the sensor is amplified, the charged state is prompted through the stroboscopic warning indicator lamp and the luminous tube, so that the application of an explosive gas environment is met, and the use and maintenance safety of high-voltage charged equipment in the explosive gas environment is improved; the anti-explosion device is suitable for being operated in an explosive gas environment and underground coal mines containing corrosive gas, and improves the anti-explosion safety performance and the hidden danger of electric shock; the safety indicator lamp stroboscopic warning reminds operation staff, is convenient for realizing the explosion-proof requirement of forbidden electrified uncapping, and can directly realize the purpose of high-voltage self-detection electricity testing in the air complex environment.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims

1. A high-voltage live warning device for mine, tunnel or colliery in pit, its characterized in that includes lower terminal (110), insulating housing (200), sensor (310), stroboscopic circuit (320) and luminotron (400), lower terminal (110) can be connected with high-voltage live body (500) electricity, lower terminal (110) with sensor (310) are connected, sensor (310) with luminotron (400) electricity is connected, luminotron (400) are located on insulating housing (200).

2. The device of claim 1, wherein the sensor (310) is electrically connected to the light emitting tube (400) through the strobe circuit (320).

3. The apparatus of claim 1, further comprising an inductive pole plate (120), the inductive pole plate (120) enclosed within the insulating housing (200).

4. The device according to claim 1, wherein the lower terminal is glued to the bottom of the insulating housing, and the bottom surface of the lower terminal (110) is provided with a mounting hole (111) for electrical connection with the high voltage charging body (500).

5. A device according to claim 3, characterized in that the top surface of the inductive pole plate (120) is provided with a ground connection hole (121) for a factory test connection.

6. The device according to any one of claims 1 to 5, wherein the outer side wall of the insulating housing (200) is of a sheds-like structure.

7. The device of claim 6, wherein the insulating housing (200) is made of DMC insulating material, and insulating resin (210) is poured into the insulating housing (200) to glue the sensor (310), the strobe circuit (320) and the light emitting tube (400).

8. The apparatus of claim 1, wherein the light emitting tubes (400) are plural, and the plural light emitting tubes (400) are uniformly distributed on the peripheral side of the insulating housing (200).

9. The apparatus of claim 8, wherein each light emitting tube (400) comprises a strobe light (410) and a light guiding column (420), wherein the strobe light (410) is connected in the light guiding column (420) in a sleeved mode, and the light guiding column (420) extends to the inner side wall of the insulating shell (200).

10. The apparatus of claim 1, wherein the lower terminal (110) is mounted on a wire inlet end of a live isolation stationary contact bus in a viewing window of the high voltage powered device.