CN214994103U - Electric shock prevention structure used in limited space - Google Patents
Electric shock prevention structure used in limited space Download PDFInfo
- Publication number
- CN214994103U CN214994103U CN202121005169.8U CN202121005169U CN214994103U CN 214994103 U CN214994103 U CN 214994103U CN 202121005169 U CN202121005169 U CN 202121005169U CN 214994103 U CN214994103 U CN 214994103U
- Authority
- CN
- China
- Prior art keywords
- well
- cable
- signal
- module
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The application relates to the technical field of electricity safety detection, in particular to an electric shock prevention structure used in a limited space, which comprises an electric leakage detection module, wherein a detection probe of the electric leakage detection module is fixedly arranged at the bottom of a cable well and is used for detecting the electrification condition of accumulated water at the bottom of the cable well in real time so as to output an accumulated water electrification signal when the accumulated water at the bottom of the cable well is electrified; the opening and closing detection module is fixedly arranged on the wall of the cable well and is used for detecting the opening and closing condition of the well cover of the cable well in real time so as to output a well cover opening signal when the well cover is opened; the control module is coupled with the electric leakage detection module and the opening and closing detection module and outputs an alarm signal when simultaneously receiving an accumulated water electrified signal and a well lid opening signal; and the alarm module is coupled with the control module and used for sending out an alarm when receiving the alarm signal. The potential safety hazard existing in the process of maintaining the power cable can be reduced.
Description
Technical Field
The application relates to the technical field of power utilization safety detection, in particular to an electric shock prevention structure used in a limited space.
Background
The power cable is a cable for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and the like.
At present, most of power cables are arranged in a cable way through a cable well, so cable maintenance personnel need to frequently go in and out of the cable well in the process of maintaining the power cables.
However, most of the waterproof measures for the well cover of the cable well have defects, which easily cause water accumulation at the bottom of the cable well, and when part of the power cable is damaged and leaks electricity, the power cable is easily conducted to cable maintenance personnel through the accumulated water, so that great potential safety hazards exist; therefore, further improvement can be made.
SUMMERY OF THE UTILITY MODEL
In order to reduce the potential safety hazard that exists in the in-process of power cable maintenance, this application provides a protection against electric shock structure for in the confined space.
The above object of the present application is achieved by the following technical solutions:
an electric shock protection structure for use in a confined space, including an electric shock protection structure for use in a confined space, comprising: the detection probe of the electric leakage detection module is fixedly arranged at the bottom of the cable well and is used for detecting the electrification condition of accumulated water at the bottom of the cable well in real time so as to output an accumulated water electrification signal when the accumulated water at the bottom of the cable well is electrified; the opening and closing detection module is fixedly arranged on the wall of the cable well and is used for detecting the opening and closing condition of the well cover of the cable well in real time so as to output a well cover opening signal when the well cover is opened; the control module is coupled with the electric leakage detection module and the opening and closing detection module and outputs an alarm signal when simultaneously receiving an accumulated water electrified signal and a well lid opening signal; and the alarm module is coupled with the control module and used for sending out an alarm when receiving the alarm signal.
Through adopting above-mentioned technical scheme, when control module received the ponding electrified signal that electric leakage detection module fed back and the well lid opening signal that switching detection module fed back simultaneously, control module output alarm signal to alarm module, at this moment, pilot lamp and bee calling organ carry out work in order to send out the police dispatch newspaper simultaneously, remind cable maintenance personnel cable shaft bottom of the well to have ponding and ponding electrified to reduce the potential safety hazard that the in-process that power cable maintained exists.
Optionally, still including the lighting module who sets firmly in the cable shaft wall of a well, control module exports the illumination signal when receiving the well lid and opens the signal, lighting module is coupled in control module to send light when receiving the illumination signal.
Through adopting above-mentioned technical scheme, when control module received the well lid opening signal that switching detection module fed back, control module output lighting signal to lighting module, at this moment, the engineering light carries out work in order to send light, and the cable maintainer of being convenient for carries out power cable maintenance work.
Optionally, the alarm module includes an indicator light and a buzzer.
Through adopting above-mentioned technical scheme, pilot lamp and bee calling organ use of mutually supporting can provide more obvious alarm information for cable maintenance personnel.
Optionally, switching detection module sets up slider, adjusting screw and travel switch on the slide rail including setting firmly in the slide rail of the cable shaft wall of a well, slip, adjusting screw and slide rail bottom preset fixation nut threaded connection and adjusting screw deviate from one side looks butt of cable shaft well lid with the slider, travel switch sets firmly on the slider and travel switch's push rod and cable shaft well lid looks butt.
Through adopting above-mentioned technical scheme, changing the cable shaft well lid of other different thickness for travel switch's high position need adjust the time, can drive slider and travel switch during the rotation adjusting screw and remove along being close to/keeping away from cable shaft well lid direction, thereby adapt to the cable shaft well lid of different thickness, improve the suitability of protection against electric shock structure.
Optionally, a graduated scale is arranged on the slide rail.
Through adopting above-mentioned technical scheme, the scale can regard as slider and travel switch displacement's reference to be convenient for travel switch height position's adjustment.
Optionally, the surface of the slide rail is provided with an anti-rust layer.
By adopting the technical scheme, the antirust performance of the slide rail can be improved by the antirust layer, so that the service life of the opening and closing detection module is prolonged.
Optionally, the cable shaft wall of a well has set firmly a mounting box, the mounting box includes one side open-ended box body and lid, electric leakage detection module, control module and alarm module all set firmly in the box body, the articulated closing cap of lid is in the box body opening part.
Through adopting above-mentioned technical scheme, box body and lid can protect electric leakage detection module, control module and alarm module, prolong its life to improve the stability of protection against electric shock structure.
Optionally, the box body and the box cover are transparent plates, and a plurality of through holes are formed in the box cover.
Through adopting above-mentioned technical scheme, the visual alarm that the pilot lamp sent can see through the transparent plate and spread, and the sense of hearing alarm that the buzzer sent enough passes the through-hole and spreads for cable maintenance personnel can clearly receive alarm module's alarm signal.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the control module simultaneously receives an accumulated water electrification signal fed back by the electric leakage detection module and a well lid opening signal fed back by the opening and closing detection module, the control module outputs an alarm signal to the alarm module, and at the moment, the indicator lamp and the buzzer simultaneously work to give an alarm to remind cable maintenance personnel that accumulated water exists at the bottom of the cable well and the accumulated water is electrified, so that potential safety hazards existing in the process of power cable maintenance are reduced;
2. when the control module receives the well lid opening signal fed back by the opening and closing detection module, the control module outputs an illumination signal to the illumination module, and at the moment, the engineering illumination lamp works to emit light, so that the cable maintenance personnel can conveniently perform power cable maintenance work.
Drawings
Fig. 1 is a schematic circuit diagram according to an embodiment of the present application.
Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 3 is an enlarged view of a in fig. 2.
Description of reference numerals: 1. a leakage detection module; 11. detecting a probe; 2. an open/close detection module; 21. a slide rail; 22. a slider; 23. adjusting the screw rod; 24. a travel switch; 241. a push rod; 25. fixing a nut; 3. a control module; 4. an alarm module; 41. an indicator light; 42. a buzzer; 5. a lighting module; 6. a graduated scale; 7. mounting a box; 71. a box body; 72. a box cover; 73. and a through hole.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses an electric shock prevention structure used in a limited space.
Referring to fig. 1 and 2, the electric shock prevention structure for a limited space comprises an electric leakage detection module 1, an opening and closing detection module 2, a control module 3 and an alarm module 4, wherein the electric leakage detection module 1 is used for detecting the electrification condition of accumulated water at the bottom of a cable well in real time so as to output an accumulated water electrification signal when the accumulated water at the bottom of the cable well is electrified; the opening and closing detection module 2 is used for detecting the opening and closing conditions of the well lid of the cable well in real time so as to output a well lid opening signal when the well lid is opened; the control module 3 is coupled to the electric leakage detection module 1 and the opening and closing detection module 2, and outputs an alarm signal when receiving an accumulated water electrification signal and a well lid opening signal at the same time; the alarm module 4 is coupled to the control module 3 for generating an alarm when receiving the alarm signal.
Specifically, the leakage detecting module 1 in this embodiment is a leakage detecting apparatus, which includes a detecting probe 11, where the detecting probe 11 extends to a bottom of the cable well and is fixed at the bottom of the cable well, so that when water is accumulated at the bottom of the cable well, the detecting probe 11 is soaked in the accumulated water. When there is partial power cable to appear damaging and when the electric leakage, detect probe 11 gathers ponding electrified signal to with ponding electrified signal feedback to control module 3.
Referring to fig. 2 and 3, opening and closing detection module 2 in this embodiment includes slide rail 21, slider 22, adjusting screw 23 and travel switch 24 that are vertical arrangement, and wherein, slide rail 21 sets firmly in the cable shaft wall of a well and slide rail 21 is located cable shaft well lid below, and slider 22 slides and sets up on slide rail 21 for slider 22 can slide along vertical direction and be close to/keep away from cable shaft well lid. The bottom of slide rail 21 sets firmly the fixation nut 25 that is connected the adaptation with adjusting screw 23, and adjusting screw 23 and 25 threaded connection of fixation nut and adjusting screw 23 top and the slider 22 one side looks butt that deviates from the cable shaft well lid of slider 22 for can drive slider 22 and slide along vertical direction and be close to/keep away from the cable shaft well lid when rotating adjusting screw 23. The travel switch 24 is fixedly arranged on the sliding block 22, the travel switch 24 comprises a push rod 241, when the cable well cover is arranged on the cable well mouth, the push rod 241 is abutted against the cable well cover, the travel switch 24 acquires a well cover closing signal and feeds the well cover closing signal back to the control module 3; when detaching cable shaft well lid from the cable shaft well head in order to maintain power cable, the butt relation of push rod 241 and cable shaft well lid disappears, and travel switch 24 gathers the well lid and opens the signal to open the signal feedback to control module 3 with the well lid.
The control module 3 in this embodiment adopts a single chip as a main control chip, and its model is STC89C 51.
Referring to fig. 2, the alarm module 4 in the present embodiment includes an LED indicator 41 and a buzzer 42, the indicator 41 being capable of giving a visual alarm, and the buzzer 42 being capable of giving an audible alarm; the indicator lamp 41 and the buzzer 42 are used in cooperation, and more obvious alarm information can be provided for cable maintenance personnel.
When control module 3 received the electrified signal of ponding that electric leakage detection module 1 fed back and the well lid opening signal that switching detection module 2 fed back simultaneously, control module 3 output alarm signal to alarm module 4, at this moment, pilot lamp 41 and bee calling organ 42 carry out work simultaneously in order to send out the police dispatch newspaper, remind cable maintainer cable shaft bottom hole to have ponding and ponding electrified to reduce the potential safety hazard that exists at the in-process that power cable maintained.
In this embodiment, a lighting module 5 is fixedly disposed on the wall of the cable well, the lighting module 5 in this embodiment is an engineering lighting lamp, and the lighting module 5 is coupled to the control module 3 to emit light when receiving a lighting signal. When control module 3 received the well lid opening signal that switching detection module 2 fed back, control module 3 output lighting signal to lighting module 5, at this moment, the engineering light carries out work in order to send light, and the cable maintainer of being convenient for carries out power cable maintenance work.
Referring to fig. 3, in this embodiment, be equipped with scale 6 on the slide rail 21, change the cable well lid of other different thickness for when travel switch 24's high position needs to be adjusted, can drive slider 22 and travel switch 24 during the screw adjusting rod 23 and move along being close to/keeping away from cable well lid direction, and scale 6 can regard as slider 22 and travel switch 24 displacement's reference, thereby the adjustment of the 24 high positions of travel switch of being convenient for.
In this embodiment, an anti-rust layer (not shown) is disposed on the surface of the slide rail 21 by spraying, and the anti-rust layer in this embodiment is made of anti-rust paint, and the anti-rust layer can improve the anti-rust performance of the slide rail 21, so as to prolong the service life of the opening/closing detection module 2.
In this embodiment, the cable shaft wall of a well has set firmly a mounting box 7, and mounting box 7 is including setting firmly box body 71 and the lid 72 in the cable shaft wall of a well, and wherein, the box body 71 deviates from the one side that is connected with the cable shaft wall of a well and is the open-ended state, and lid 72 articulates in box body 71 open-ended top for lid 72 can rotate the closing cap under the action of gravity in box body 71 opening part. The leakage detection module 1, the control module 3 and the alarm module 4 are all fixedly arranged in the box body 71, so that the box body 71 and the box cover 72 can protect the modules, the service life of the modules is prolonged, and the stability of an electric shock prevention structure is improved.
In this embodiment, the box body 71 and the box cover 72 are transparent plates, and the box cover 72 is provided with a plurality of through holes 73, so that the visual alarm given by the indicator lamp 41 can be transmitted out through the transparent plates, and the audible alarm given by the buzzer 42 can be transmitted out through the through holes 73, so that the cable maintenance personnel can clearly receive the alarm signal of the alarm module 4.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A protection against electric shock structure for in finite space, its characterized in that: comprises that
The detection probe (11) of the electric leakage detection module (1) is fixedly arranged at the bottom of the cable well and is used for detecting the electrification condition of accumulated water at the bottom of the cable well in real time so as to output an accumulated water electrification signal when the accumulated water at the bottom of the cable well is electrified;
the opening and closing detection module (2) is fixedly arranged on the wall of the cable well and is used for detecting the opening and closing conditions of the well cover of the cable well in real time so as to output a well cover opening signal when the well cover is opened;
the control module (3) is coupled with the electric leakage detection module (1) and the opening and closing detection module (2) and outputs an alarm signal when simultaneously receiving an accumulated water electrified signal and a well lid opening signal;
and the alarm module (4) is coupled with the control module (3) and used for sending out an alarm when receiving the alarm signal.
2. The electric shock protection structure for use in a limited space according to claim 1, wherein: still including setting firmly in lighting module (5) of the cable shaft wall of a well, control module (3) export illumination signal when receiving well lid opening signal, lighting module (5) are coupled in control module (3) to send light when receiving illumination signal.
3. The electric shock protection structure for use in a limited space according to claim 1, wherein: the alarm module (4) comprises an indicator lamp (41) and a buzzer (42).
4. The electric shock protection structure for use in a limited space according to claim 1, wherein: opening and closing detection module (2) including setting firmly slide rail (21), the slip of the cable shaft wall of a well and setting up slider (22), adjusting screw (23) and travel switch (24) on slide rail (21), adjusting screw (23) and slide rail (21) bottom preset fixation nut (25) threaded connection and adjusting screw (23) deviate from one side looks butt of cable shaft well lid with slider (22), travel switch (24) set firmly on slider (22) and push rod (241) and the cable shaft well lid looks butt of travel switch (24).
5. The electric shock protection structure for use in a limited space according to claim 4, wherein: and a scale (6) is arranged on the sliding rail (21).
6. The electric shock protection structure for use in a limited space according to claim 4, wherein: and an anti-rust layer is arranged on the surface of the slide rail (21).
7. The electric shock protection structure for use in a limited space according to claim 1, wherein: the cable shaft wall of a well has set firmly a mounting box (7), mounting box (7) include one side open-ended box body (71) and lid (72), electric leakage detection module (1), control module (3) and alarm module (4) all set firmly in box body (71), the articulated closing cap of lid (72) is in box body (71) opening part.
8. The electric shock protection structure for use in a limited space according to claim 7, wherein: the box body (71) and the box cover (72) are transparent plates, and a plurality of through holes (73) are formed in the box cover (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121005169.8U CN214994103U (en) | 2021-05-11 | 2021-05-11 | Electric shock prevention structure used in limited space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121005169.8U CN214994103U (en) | 2021-05-11 | 2021-05-11 | Electric shock prevention structure used in limited space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214994103U true CN214994103U (en) | 2021-12-03 |
Family
ID=79134003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121005169.8U Active CN214994103U (en) | 2021-05-11 | 2021-05-11 | Electric shock prevention structure used in limited space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214994103U (en) |
-
2021
- 2021-05-11 CN CN202121005169.8U patent/CN214994103U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111896891B (en) | High-voltage power cable fault detection device | |
| CN214994103U (en) | Electric shock prevention structure used in limited space | |
| CN204882535U (en) | Intelligence multi -parameter monitoring buoyage | |
| CN115561584A (en) | Distribution network ground fault positioning equipment matched with in-station equipment | |
| CN203587521U (en) | Detection device for multi-functional transformer box | |
| CN214374986U (en) | Voltage detection temperature measuring equipment for power grid | |
| CN217918321U (en) | Sewage discharge monitoring device for preventing industrial land pollution | |
| CN204373643U (en) | Pole inclination angle warning device | |
| CN211403976U (en) | Ground indicating lamp for severe weather rescue | |
| CN114383097A (en) | Wisdom street lamp with trouble self-checking function | |
| CN210793219U (en) | Mobile audible and visual alarm for locomotive | |
| CN205120209U (en) | Water level alarm device is used in power station | |
| CN209137836U (en) | Intelligent fire bolt boring cover | |
| CN202327972U (en) | Intelligent communication solar beacon light | |
| CN208262807U (en) | A kind of communication Portable overhaul case | |
| CN216846465U (en) | Automatic monitoring and alarming device for water level of accident oil pool of transformer substation | |
| CN214401680U (en) | Take limit function's regulation weir gate | |
| CN213118905U (en) | Junction box for solar street lamp engineering | |
| CN104596480B (en) | Pole inclination angle warning device | |
| CN216210554U (en) | New forms of energy electric power well environment detection control device | |
| CN213365699U (en) | Security alarm anti-theft device | |
| CN218179996U (en) | Environmental information detection alarm device for environmental protection engineering | |
| CN220207804U (en) | Low oil pressure tester for speed regulating system of hydroelectric generating set | |
| CN211605793U (en) | Block terminal convenient to periodic maintenance | |
| CN212483564U (en) | Pole setting formula solar energy water quality testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |