CN111478189B - Mining remote on-line multi-loop electric distribution switch power restoration device - Google Patents
Mining remote on-line multi-loop electric distribution switch power restoration device Download PDFInfo
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- CN111478189B CN111478189B CN202010394455.1A CN202010394455A CN111478189B CN 111478189 B CN111478189 B CN 111478189B CN 202010394455 A CN202010394455 A CN 202010394455A CN 111478189 B CN111478189 B CN 111478189B
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- 238000005065 mining Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000000087 stabilizing effect Effects 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 8
- 102100039856 Histone H1.1 Human genes 0.000 claims description 6
- 101001035402 Homo sapiens Histone H1.1 Proteins 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
Abstract
The invention discloses a mining remote on-line multi-loop electric distribution switch re-electrifying device, which comprises an explosion-proof shell, wherein the explosion-proof shell comprises a wiring cavity and an element cavity, the wiring cavity is positioned above the element cavity, the wiring cavity is electrically communicated with the element cavity through seven-core insulating terminals, and fourteen horn nozzles for feeding and discharging cables are arranged at two sides of the wiring cavity; the component cavity is connected with the quick-opening door cover in a hinging mode, an observation window is arranged at the middle upper part of the quick-opening door cover, one side of the component cavity is provided with a power-on/off switch handle, and the component cavity is connected with a power-on/off switch in the component cavity through a through hole of the component cavity. The method solves the defect that remote operation cannot be performed in the current intelligent mine construction, improves the unmanned and intelligent technology of coal exploitation, has good popularization and practical value, and can generate good economic and social benefits after wide popularization and application.
Description
Technical Field
The invention relates to the technical field of junction boxes, in particular to a mining remote on-line multi-loop electric distribution switch re-electrifying device.
Background
At present, as the coal mining technology is developed towards the intelligent and unmanned direction, a plurality of bottleneck problems to be solved urgently exist for the whole system, for example, in the intelligent coal mining process, after one or more distribution switches in a distribution system trip for a certain reason, the power supply is recovered manually on site, so that the following problems can occur: firstly, the duplicate electricity time is long, the production time is influenced, and other secondary accidents can be possibly caused; and secondly, the remote power recovery problem of the power distribution switch of the underground power supply system of the coal mine is an urgent problem to be solved because the remote power recovery problem is not matched with the development and the application of an intelligent unmanned mining technology.
Disclosure of Invention
The invention discloses a mining remote on-line multi-loop electric distribution switch power restoration device, which is installed at a centralized distribution point and is respectively connected with corresponding distribution switches by communication cables, so that various information can be acquired and uploaded for each distribution switch, and quick remote reset and closing power transmission can be performed for each distribution switch.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a mining long-range online multi-circuit electric distribution switch is electric installation again, includes explosion-proof type shell, explosion-proof type shell includes wiring chamber and component chamber, the wiring chamber is located the top in component chamber, wiring chamber with component chamber is through seven core insulating terminal electric intercommunication, the both sides in wiring chamber have been arranged and have been supplied with the loudspeaker mouth that the cable was used to go into and out; the device is characterized in that the element cavity is connected with the shutter door cover in a hinged mode, an observation window is arranged at the middle upper part of the shutter door cover, a power-on/power-off switch handle is arranged at one side of the element cavity, the power-on/power-off switch handle is connected with the power-on/power-off switch in the element cavity through a through hole of the element cavity, a drawer type insulation board is arranged in the element cavity, a display screen, a voltage stabilizing transformer, a PLC programmable controller, a reset relay group, a closing relay group and a fuse are arranged on the insulation board, the display screen is opposite to the observation window, the operation condition of the device is convenient to observe, the voltage stabilizing transformer is arranged at the middle lower side of the insulation board, the fuse is arranged at the left side of the voltage stabilizing transformer, and a power-on wiring terminal is sequentially and electrically connected with the power-on/power-off switch, the voltage stabilizing transformer, the PLC programmable controller, the reset relay group and the closing relay group.
Preferably, the reset relay group is composed of ten reset relays installed on the right side of the insulating plate in a row from top to bottom, the switch-on relay group is composed of ten switch-on relays installed on the right side of the insulating plate in a row from top to bottom, the reset relay group is located above the switch-on relay group, the PLC programmable controller is installed on the left side of the insulating plate, each reset relay corresponds to one switch-on relay and two signal feedback lines, the reset relay is matched with the PLC programmable controller to form a power distribution switch's power restoration unit, an instruction sent through remote control is input into the PLC programmable controller, and the PLC programmable controller sends out a corresponding power restoration unit execution instruction.
Preferably, the PLC is also connected with a distribution switch, a local reset switch and a local closing switch.
Preferably, the position of the shutter cover corresponding to the reset relay is provided with an on-site reset button, and the position of the shutter cover corresponding to the closing relay is provided with an on-site closing button.
Preferably, a wiring cavity cover is arranged on the wiring cavity, and a bracket is arranged at the lower part of the element cavity.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is installed at a centralized distribution point, and is respectively connected with the corresponding distribution switches by using communication cables, so that not only can the collection and uploading of various information be carried out on each distribution switch, but also the rapid remote reset and closing power transmission can be carried out on each distribution switch;
2. the method solves the defect that remote operation cannot be performed in the current intelligent mine construction, improves the unmanned and intelligent technology of coal exploitation, has good popularization and practical value, and can generate good economic and social benefits after wide popularization and application;
drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic view of a shutter door according to the present invention;
FIG. 4 is a diagram of the layout of elements on an insulating plate according to the present invention;
FIG. 5 is an electrical schematic of the present invention; wherein: the WYB-voltage stabilizing transformer 220/24V, X1, X2-220V power supply wiring terminals, X3, X4-signal uploading wiring terminals, X5, X6-operation signal input terminals, reset relay of F1-distribution switch 1, reset relay of F2-distribution switch 2, reset relay of F3-distribution switch 3, closing relay of H1-distribution switch 1, closing relay of H2-distribution switch 2, closing relay of H3-distribution switch 3, state input wiring terminal of C1-distribution switch 1, state input wiring terminal of C2-distribution switch 2, the state input wiring terminal of the C3-distribution switch 3, the F1-1, the F2-1 and the F3-1 are respectively output reset switches of the F1, the F2 and the F3, the X7 and the X8, the X9 and the X10, the X11 and the X12 are respectively output wiring terminals of the F1-1, the F2-1 and the F3-1, the H1-1, the H2-1 and the H3-1 are respectively output closing switches of the H1, the H2 and the H3, the X13 and the X14, the X15 and the X16, the X17 and the X18 are respectively output wiring terminals of the H1-1, the H2-1 and the H3-1, the GK-power transmission switch, the F1, the F2 and the F3-in-place reset switches, the H1, the H2 and the H3-in-place closing switches, and the R1 and the R2: and a fuse.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
In order to better understand the embodiments of the present application, the following description will clearly and completely describe the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
As shown in fig. 1-5, the mining remote on-line multi-loop electric distribution switch power restoration device comprises an explosion-proof shell, wherein the explosion-proof shell comprises a wiring cavity 1 and an element cavity 2, the wiring cavity 1 is positioned above the element cavity 2, the wiring cavity 1 and the element cavity 2 are electrically communicated through seven-core insulation terminals, and fourteen horn nozzles 3 for feeding in and out cables are arranged on two sides of the wiring cavity 1; the device is characterized in that the element cavity 2 is connected with the shutter cover 4 in a hinged mode, an observation window 5 is arranged at the middle upper part of the shutter cover 4, a power-on/off switch handle 6 is arranged on one side of the element cavity 2, the power-on/off switch is connected with the power-off switch in the element cavity 2 through a through hole of the element cavity 2, an insulation board 7 of a drawer type is arranged in the element cavity 2, a display screen 8, a voltage stabilizing transformer 9, a PLC (programmable logic controller) 10, a reset relay group, a closing relay group and a fuse 11 are arranged on the insulation board 7, the display screen 8 is opposite to the observation window 5, the operation condition of the device is convenient to observe, the voltage stabilizing transformer 9 is arranged on the middle lower side of the insulation board 7, a fuse 11 is arranged on the left side of the voltage stabilizing transformer 9, and a power supply wiring terminal is sequentially and electrically connected with the power-on/off switch 11, the voltage stabilizing transformer 9, the PLC 10, the reset relay group and the closing relay group.
The reset relay group consists of ten reset relays 12 which are arranged on the right side of the insulating plate 7 in an upper-lower row, the closing relay group consists of ten closing relays 13 which are arranged on the right side of the insulating plate 7 in an upper-lower row, the reset relay group is positioned above the closing relay group, the PLC programmable controller 10 is arranged on the left side of the insulating plate 7, each reset relay 12 corresponds to one closing relay 13 and two signal feedback lines, the reset relay 12 is matched with the PLC programmable controller 10 to form a power distribution switch power restoration unit, a command sent through remote control is input into the PLC programmable controller 10, and the PLC programmable controller 10 sends out a corresponding power restoration unit execution command.
The PLC 10 is also connected with a distribution switch, a local reset switch and a local closing switch.
An on-site reset button 14 is arranged at a position corresponding to the reset relay 12 on the shutter cover 4, and an on-site switch-on button 15 is arranged at a position corresponding to the switch-on relay 13 on the shutter cover 4.
The corresponding position of the inner side of the shutter cover 4 is provided with a local reset button core 141, and the corresponding position of the inner side of the shutter cover 4 is provided with a local closing button core 151.
A wiring cavity cover 16 is arranged on the wiring cavity 1, and a bracket 17 is arranged at the lower part of the element cavity 2.
The insulation board 7 is also provided with a 48-pin quick connection socket for quick cable plugging, and is convenient and quick to maintain and replace.
In the example of three loops in the electrical schematic diagram, four loops are added with F4, H4, C4, F4-1, H4-1, X19 and X20, and so on.
As shown in fig. 5, in use: the device is externally connected with a 220-volt power supply, an isolating switch GK is closed, a voltage stabilizing transformer is electrified, and 24-volt direct current is output to relays F1, F2, F3, H1, H2, H3 and a PLC programmable controller.
The device receives the controlled power supply loop switch information (reset, closing and opening) and transmits the information to a PLC (programmable logic controller) through C1, C2 and C3 respectively, and the PLC sends corresponding instructions to be executed by relays F1, F2, F3, H1, H2 and H3.
Wherein reset (illustrated in first loop): the first loop power supply switch is in a switching-off state, a loop reset key fy1 (not shown in the figure) of the remote centralized control operating system is operated, a signal is transmitted to the PLC through an X5 terminal line and an X6 terminal line (or an on-site reset button F1 signal is operated), after the PLC sends out an instruction, the reset relay F1 is electrified to work, a normally open contact of the F1-1 is closed, the first loop power supply switch is reset (not shown in the figure), a reset normal (or abnormal) signal is transmitted to the PLC through a C1 line, the PLC is transmitted to a remote centralized control point (ground or a mining area centralized control room) operating system through an X3 terminal line and an X4 terminal line, the reset normal can carry out a switching-on process, otherwise, fault information such as short circuit or electric leakage exists, the continuous switching-on can not be carried out, and the continuous operation can not be carried out when the fault is eliminated on the site manually.
Wherein the switching-on: after the normal completion of reset, a closing key hy1 (not shown in the figure) of a remote centralized control operating system is operated, a signal is sent to a PLC programmable controller through X5 and X6 terminal lines (or an on-site closing button H1 signal is operated), after the PLC programmable controller sends an instruction, a closing relay H1 is electrified to work, a normally open contact of H1-1 is closed, a first loop power supply switch is closed (not shown in the figure), a closing signal is sent to the PLC programmable controller through a C1 line, and the PLC programmable controller is sent to a remote centralized control point (ground or collection area centralized control room) operating system through X3 and X4 terminal lines to display normal closing.
Wherein the opening is: when a certain power supply loop is required to be powered off, a closing key hy1 (not shown in the figure) of a remote centralized control operating system is operated again, a signal is transmitted to a PLC (programmable logic controller) through an X5 terminal line and an X6 terminal line (or an on-site closing button H1 signal is operated), after the PLC sends a command, the closing relay H1 is powered off to stop working, a normally open contact of the H1-1 is disconnected, a first loop power supply switch is opened (not shown in the figure), an opening signal is transmitted to the PLC through a C1 line, and the PLC transmits the opening signal to the remote centralized control point (ground or a collection area centralized control room) operating system through an X3 terminal line and an X4 terminal line to display normal opening and closing, and the mechanism is locked, if power is transmitted again, resetting and closing processes are required to be repeated again.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, component disassembly, or combination thereof, etc. that falls within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (3)
1. The application method of the mining remote on-line multi-loop electric distribution switch power restoration device comprises an explosion-proof shell, wherein the explosion-proof shell comprises a wiring cavity and an element cavity, and the wiring cavity is positioned above the element cavity; the device comprises an element cavity, a shutter door cover, a power-on/power-off switch handle, a drawer type insulating plate, a display screen, a voltage stabilizing transformer, a PLC (programmable logic controller), a reset relay group, a closing relay group and a fuse, wherein the shutter door cover is connected with the element cavity in a hinging manner, an observation window is arranged at the middle upper part of the shutter door cover, the power-on/power-off switch handle is arranged at one side of the element cavity, the power-on/power-off switch handle is connected with the power-on/power-off switch in the element cavity through a through hole of the element cavity, the drawer type insulating plate is internally provided with the element cavity, the display screen, the voltage stabilizing transformer, the PLC programmable logic controller, the reset relay group and the closing relay group are arranged on the insulating plate, the display screen is opposite to the observation window, the operation condition of the device is convenient to observe, the voltage stabilizing transformer is arranged at the middle lower side of the insulating plate, the fuse is arranged at the left side of the voltage stabilizing transformer, and a power-on terminal is electrically connected with the power-on/power-on switch in sequence;
the reset relay group consists of ten reset relays which are arranged on the right side of the insulating plate in an up-down row, the switch-on relay group consists of ten switch-on relays which are arranged on the right side of the insulating plate in an up-down row, the reset relay group is positioned above the switch-on relay group, the PLC is arranged on the left side of the insulating plate, each reset relay corresponds to one switch-on relay and two signal feedback lines, the reset relay is matched with the PLC to form a power distribution switch power restoration unit, a command sent by remote control is input into the PLC, and the PLC sends out a corresponding power restoration unit execution command;
the PLC is also connected with a power distribution switch, a local reset switch and a local closing switch;
the device is characterized in that the device is externally connected with a 220-volt power supply, an isolating switch GK is closed, a voltage stabilizing transformer is electrified, 24-volt direct current is output to reset relays F1, F2 and F3, and the switching-on relays H1, H2 and H3 and a PLC programmable controller are connected;
the device receives switching information of a controlled power supply loop and transmits the switching information to a PLC (programmable logic controller) through distribution switch state input connecting terminals C1, C2 and C3 respectively, the PLC sends corresponding instructions to be executed by reset relays F1, F2 and F3 and closing relays H1, H2 and H3, wherein the switching information comprises reset information, closing information and opening information;
the execution process of the reset information comprises the following steps: the first loop power supply switch is in a switching-off state, a loop reset key fy1 of a remote centralized control operating system is operated, signals are transmitted to the PLC through an operation signal input terminal X5 and an X6 terminal line, after the PLC sends out instructions, the reset relay F1 is electrified to work, a normally open contact of the output reset switch F1-1 is closed, the first loop power supply switch is reset, normal or abnormal signals are reset and transmitted to the PLC through a power distribution switch state input connecting terminal C1 line, the PLC transmits signals to the remote centralized control point operating system through a signal uploading connecting terminal X3 and an X4 terminal line, a switching-on process can be normally performed in a resetting mode, otherwise, short circuit or leakage fault information exists, switching-on cannot be continued, and continuous operation can be performed after a fault is eliminated on site manually;
the execution process of the closing information comprises the following steps: after the normal reset is completed, a closing key hy1 of a remote centralized control operating system is operated, signals are transmitted to a PLC (programmable logic controller) through lines of an operation signal input terminal X5 and an operation signal input terminal X6, after the PLC sends out instructions, a closing relay H1 is electrified to work, a normally open contact of an output closing switch H1-1 is closed, a first loop power supply switch is closed, closing signals are transmitted to the PLC through lines of a distribution switch state input connecting terminal C1, and the PLC is transmitted to the remote centralized control point operating system through lines of signal uploading connecting terminals X3 and X4 to display normal closing;
the executing process of the opening information comprises the following steps: when a certain power supply loop is required to be powered off, a closing key hy1 of a remote centralized control operating system is operated again, signals are transmitted to a PLC (programmable logic controller) through an operating signal input terminal X5 and an X6 terminal line, after the PLC sends out instructions, a closing relay H1 is powered off to stop working, a normally open contact of an output closing switch H1-1 is disconnected, a first loop power supply switch is opened, an opening signal is transmitted to the PLC through a C1 line, the PLC is transmitted to the remote centralized control point operating system through signal uploading connecting terminals X3 and X4 terminal lines, normal opening is displayed, and a mechanism is closed, and if power is transmitted again, resetting and closing processes are required to be repeated again.
2. The method for using the mining remote on-line multi-loop electric distribution switch power restoration device according to claim 1, wherein the method comprises the following steps: the shutter cover is provided with an on-site reset button at the corresponding position of the reset relay, and an on-site switch-on button is arranged at the corresponding position of the switch-on relay.
3. The method for using the mining remote on-line multi-loop electric distribution switch power restoration device according to claim 1, wherein the method comprises the following steps: the wiring cavity is provided with a wiring cavity cover, and the lower part of the element cavity is provided with a bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010394455.1A CN111478189B (en) | 2020-05-11 | 2020-05-11 | Mining remote on-line multi-loop electric distribution switch power restoration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010394455.1A CN111478189B (en) | 2020-05-11 | 2020-05-11 | Mining remote on-line multi-loop electric distribution switch power restoration device |
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| CN111478189A CN111478189A (en) | 2020-07-31 |
| CN111478189B true CN111478189B (en) | 2023-12-26 |
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| CN208478943U (en) * | 2018-07-18 | 2019-02-05 | 福建师范大学福清分校 | A kind of remote control intelligent household distribution box |
| CN212162342U (en) * | 2020-05-11 | 2020-12-15 | 山西潞安环保能源开发股份有限公司 | Remote online multi-loop electric power distribution switch complex power device for mine |
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Inventor after: Wang Wensheng Inventor after: Lu Aifang Inventor after: Zhang Jingjing Inventor after: Zhao Ximing Inventor after: Jin Jianqiang Inventor after: Bai Lu Inventor after: Wang Jingyao Inventor after: Peng Donglin Inventor after: Shen Xingwang Inventor after: Du Xiangyang Inventor after: Ren Weimin Inventor before: Wang Wensheng Inventor before: Lu Aifang Inventor before: Zhang Jingjing Inventor before: Zhao Ximing Inventor before: Jin Jianqiang Inventor before: Bai Lu Inventor before: Wang Jingyao Inventor before: Peng Donglin Inventor before: Shen Xingwang Inventor before: Du Xiangyang Inventor before: Ren Weimin |
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Effective date of registration: 20231127 Address after: Yuze Town, Tunliu County, Changzhi City, Shanxi Province 046100 Applicant after: CHANGCUN COAL MINE OF SHANXI LU'AN ENVIRONMENTAL ENERGY DEVELOPMENT Co.,Ltd. Address before: 046100 Changcun Coal Mine, Beiyuze Town, Tunliu District, Tunliu County, Changzhi City, Shanxi Province Applicant before: Wang Wensheng |
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