CN205509650U - Colliery is concentrated power supply unit of digital mine system in pit - Google Patents
Colliery is concentrated power supply unit of digital mine system in pit Download PDFInfo
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- CN205509650U CN205509650U CN201620252424.1U CN201620252424U CN205509650U CN 205509650 U CN205509650 U CN 205509650U CN 201620252424 U CN201620252424 U CN 201620252424U CN 205509650 U CN205509650 U CN 205509650U
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Abstract
The utility model provides a colliery is concentrated power supply unit of digital mine system in pit, including backup battery case, power host computer, double this ampere of the power of flame proof, communication substation, ground switch and monitor terminal, the backup battery case is connected with power host computer electricity, the power host computer includes transformer, an inverter circuit board, the 2nd inverter circuit board, the 3rd inverter circuit board, fourth inverter circuit board, first switching module, second switching module, first switch K1, second switch K2, third switch K3, communication control panel and liquid crystal display, the power host computer is through communication substation, ground switch and monitor terminal communication, the power host computer is connected with backup battery case electricity, the power host computer is concentrated for double this ampere of the power of flame proof and is provided incessant AC127V power. The utility model discloses simple structure, cost are lower, the management is maintained conveniently and is supplied power safe and reliable when using.
Description
Technical field
This utility model relates to underground coal mine electric power system, is specifically related to the centrally connected power supply device of a kind of underground coal mine Digital Mine system.
Background technology
Currently, colliery is day by day to digitized, intelligent direction development, underground coal mine generally individually uses the Digital Mine system constituted such as the subsystem such as monitoring system, monitoring system, wireless telecommunication system, personnel location system, Vehicle positioning system, and the normal work of this type of Digital Mine system all relies on Flameproof and intrinsically safe power supply and powers and be achieved.At present, the power supply mode of underground coal mine Digital Mine system has the disadvantage that one, commonly used decentralized power-supply, and every subsystem all uses independent electric power network, and power-supply device is large number of, builds and maintenance cost is higher, it is difficult to realize unified management；They are two years old, the AC power taking of each subsystem power supply is more chaotic, have from fan switch power taking, have from phase shifting transformer power taking, have from illumination integrated protection power taking etc., although this kind of way to take power has the advantages such as power taking is convenient, power supply distance is near, yet with being all to use underground coal mine other system power taking, cannot ensure to be persistently, reliably Digital Mine system power supply, coal mine downhole safety be produced and brings adverse effect；They are three years old, the backup battery finite capacity of each subsystem of Digital Mine, as the backup battery of safety monitoring system only need to ensure that power supply in 2 hours i.e. meets relevant industries requirement, in real work, underground coal mine maintenance, maintenance time were often beyond 2 hours, and this means that this system will appear from power-off and cannot normally work；Some subsystems are even powered without backup battery, i.e. cannot normally work after AC dump, produce to underground coal mine and bring bigger potential safety hazard.
Utility model content
The purpose of this utility model is: the problem existed for prior art, it is provided that a kind of simple in construction, cost be relatively low, manages the easy to maintenance and centrally connected power supply device of power supply safety reliable underground coal mine Digital Mine system when using.
The technical solution of the utility model is: the centrally connected power supply device of underground coal mine Digital Mine system of the present utility model, including reserve battery case, Flameproof and intrinsically safe power supply, communication sub-station and ground switch, it is structurally characterized in that: also include electric power host and monitor terminal；
Above-mentioned reserve battery case has power input and power output end；External underground coal mine AC1140V/660V power supply when the power input of reserve battery case uses；The power output end output DC24V power supply of reserve battery case；Reserve battery case is provided with more than 4；The reserve battery case of more than 4 is divided into 2 groups；Often group reserve battery case is provided with the reserve battery case of more than 2, often organizes the power output end Parallel opertation of reserve battery case；
Electric power host includes transformator, the first inverter circuit plate, the second inverter circuit plate, the 3rd inverter circuit plate, the 4th inverter circuit plate, the first handover module, the second handover module, the first switch K1, second switch K2, the 3rd switch K3, communication control panel and LCDs；
Transformator has power input and power output end；External underground coal mine AC1140V/660V power supply when the power input of transformator uses；The power output end output AC127V power supply of transformator；First to fourth inverter circuit plate is respectively equipped with the first power input, second source input, power output end and communication ends；First handover module and the second handover module are respectively equipped with power input and power output end；Communication control panel is provided with internal communication ends, correspondence with foreign country end, display signal communication ends and power end；LCDs is provided with signal input part and power end；
First power input of first to fourth inverter circuit plate all electrically connects with the power output end of transformator；The second source input of the first and second inverter circuit plates is electrically connected by the power output end of the 3rd switch K3 and 1 group of reserve battery case；The second source input of the third and fourth inverter circuit plate is electrically connected with the power output end of another 1 group of reserve battery case by the 3rd switch K3；The power input of the first handover module and the power output end electrical connection of the first and second inverter circuit plates；The power output end of the first handover module and the input electrical connection of the first switch K1；The outfan of the first switch K1 exports 2 road AC127V power supplys；The power input of the second handover module and the power output end electrical connection of the third and fourth inverter circuit plate；The power output end of the first handover module electrically connects with the input of second switch K2；The outfan of second switch K2 exports 2 road AC127V power supplys；The communication ends of first to fourth inverter circuit plate all with the internal communication ends two-way communication of communication control panel；The power end of communication control panel and the power end of LCDs are all electrically connected by the power output end of the 3rd switch K3 and 2 groups of reserve battery casees；The signal input part of LCDs communicates with the display signal communication ends of communication control panel；
The correspondence with foreign country end of the communication control panel of electric power host is through communication sub-station, ground switch and monitor terminal communication；Flameproof and intrinsically safe power supply arranges more than 1；Flameproof and intrinsically safe power supply has power input；The power input of Flameproof and intrinsically safe power supply connects the AC127V power supply of electric power host output.
Further scheme is: the built-in reserve battery of described reserve battery case is chargeable lithium cell group.
Further scheme is: the transformator of described electric power host is the transformator of 2000W power.
Further scheme also has: the first handover module of described electric power host and the second handover module are the catalyst with interlock function.
This utility model has a positive effect: the centrally connected power supply device of (1) underground coal mine of the present utility model Digital Mine system, it is by the electric power host output AC127V alternating current arranged at underground coal mine, unified for power-supply device offer ac working power supplies such as the Flameproof and intrinsically safe power supplies in the various Digital Mine subsystems in underground coal mine respective regions；The working power of electric power host self uses underground coal mine AC1140V/660V alternating current power supply under normal circumstances, when underground coal mine AC1140V/660V alternating current power supply accident power-off, electric power host automatically switches into is powered by coupled backup battery case, and by backup battery case provide DC24V power inverter be AC127V alternating current output, it is thus possible to guarantee the power supply of each Digital Mine subsystem, the safety and reliability of power supply compares to prior art and greatly improves.(2) the centrally connected power supply device of underground coal mine Digital Mine system of the present utility model, compare to each Digital Mine subsystem of underground coal mine in prior art and the most independently set up electric power network, the line related equipment repeating to arrange can be reduced in a large number, construction cost is greatly lowered.(3) the centrally connected power supply device of underground coal mine Digital Mine system of the present utility model, compare to each Digital Mine subsystem of underground coal mine in prior art and the most independently set up electric power network, manage and safeguard more convenient, it is possible to reducing management attendant significantly, save human cost.(4) the centrally connected power supply device of underground coal mine Digital Mine system of the present utility model, it is by being arranged on the monitoring terminal that coal mine ground and electric power host communicate, duty and the system power supply state of underground coal mine power-supply device can be understood and grasped easily, convenient management, saves and patrols and examines manpower.(5) the centrally connected power supply device of underground coal mine Digital Mine system of the present utility model, the extension of battery capacity redundancy is very convenient, when the needs raising system uninterrupted power supply time, only need to increase the increase in capacity i.e. feasible system effective cruising time of the lithium battery of backup battery case such that it is able to be effectively ensured underground coal mine field maintenance, repair time more than 2 hours in the case of reliable power supply.
Accompanying drawing explanation
Fig. 1 is structural schematic block diagram of the present utility model；
Fig. 2 is the electronic schematic diagram of the electric power host in Fig. 1.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
(embodiment 1)
Seeing Fig. 1, the centrally connected power supply device of the underground coal mine Digital Mine system of the present embodiment, it is mainly made up of electric power host, reserve battery case, Flameproof and intrinsically safe power supply, communication sub-station, ground switch and monitor terminal.
Reserve battery case is built-in with chargeable lithium cell group, and reserve battery case has power input and power output end；External underground coal mine AC1140V/660V power supply when the power input of reserve battery case uses；The power output end output DC24V power supply of reserve battery case；Reserve battery case is provided with more than 4；The reserve battery case of more than 4 is divided into 2 groups；Often group reserve battery case is provided with the reserve battery case of more than 2, often organizes the power output end Parallel opertation of reserve battery case.
Seeing Fig. 2, the region that electric power host needs power supply unit more at underground coal mine digging area, belt feeder Head Section etc. is arranged.
Electric power host is mainly made up of transformator, the first inverter circuit plate, the second inverter circuit plate, the 3rd inverter circuit plate, the 4th inverter circuit plate, the first handover module, the second handover module, the first switch K1, second switch K2, the 3rd switch K3, communication control panel and LCDs.
Transformator has power input and power output end；External underground coal mine AC1140V/660V power supply when the power input of transformator uses；The power output end output AC127V power supply of transformator；In the present embodiment, the transformator that transformator preferentially uses power to be 2000W.
First inverter circuit plate, the second inverter circuit plate, the 3rd inverter circuit plate and the 4th inverter circuit plate are respectively equipped with the first power input, second source input, power output end and communication ends；First handover module and the second handover module are respectively equipped with power input and power output end；Communication control panel is provided with internal communication ends, correspondence with foreign country end, display signal communication ends and power end；LCDs is provided with signal input part and power end；First power input of the first inverter circuit plate, the second inverter circuit plate, the 3rd inverter circuit plate and the 4th inverter circuit plate all electrically connects with the power output end of transformator；The second source input of the first inverter circuit plate and the second inverter circuit plate is electrically connected by the power output end of the 3rd switch K3 and 1 group of reserve battery case；The second source input of the 3rd inverter circuit plate and the 4th inverter circuit plate is electrically connected with the power output end of another 1 group of reserve battery case by the 3rd switch K3；The power input of the first handover module and the power output end electrical connection of the first inverter circuit plate and the second inverter circuit plate；The power output end of the first handover module and the input electrical connection of the first switch K1；The outfan of the first switch K1 exports 2 road AC127V power supplys；The power input of the second handover module and the power output end electrical connection of the 3rd inverter circuit plate and the 4th inverter circuit plate；The power output end of the second handover module electrically connects with the input of second switch K2；The outfan of second switch K2 exports 2 road AC127V power supplys；The communication ends of the first inverter circuit plate, the second inverter circuit plate, the 3rd inverter circuit plate and the 4th inverter circuit plate is all connected with the internal communication ends two-way communication of communication control panel；The signal input part of LCDs communicates to connect with the display signal communication ends of communication control panel；The power end of communication control panel and the power end of LCDs are all electrically connected by the power output end of the 3rd switch K3 and 2 groups of reserve battery casees；The correspondence with foreign country end of communication control panel is through the communication sub-station of underground coal mine, the ground switch being located at coal mine ground and monitor terminal communication.
First inverter circuit plate and the second inverter circuit plate are mutually redundant backup；3rd inverter circuit plate and the 4th inverter circuit plate are mutually redundant backup；The output switching of the first inverter circuit plate and the second inverter circuit plate is performed automatically by the first handover module；The output switching of the 3rd inverter circuit plate and the 4th inverter circuit plate is performed automatically by the second handover module；First handover module and second handover module the present embodiment all preferably employ the catalyst with interlock function.The information that LCDs sends for the display signal communication ends receiving display communication panel the most in real time；
Flameproof and intrinsically safe power supply is for such as monitoring system, monitoring system, wireless telecommunication system, personnel location system, Vehicle positioning system offer power supply for underground coal mine Digital Mine subsystem；Flameproof and intrinsically safe power supply arranges more than 1；The quantity of Flameproof and intrinsically safe power supply according to underground coal mine Digital Mine subsystem it needs to be determined that；Flameproof and intrinsically safe power supply has power input and power output end；The power input of Flameproof and intrinsically safe power supply connects 1 road AC127V power supply of electric power host output；The power output end of Flameproof and intrinsically safe power supply can export the power supplys such as non-peace DC24V, intrinsic safety 18V, intrinsic safety 24V according to the selection that is actually needed of underground coal mine Digital Mine subsystem, uses to underground coal mine Digital Mine subsystem.
The centrally connected power supply device of the underground coal mine Digital Mine system of the present embodiment, first first switch K1, the second switch K2 and the 3rd switch K3 of electric power host are placed in "on" position by use；When underground coal mine AC1140V/660V power supply normal power supply, underground coal mine AC1140V/660V Power convert is AC127V power supply by the transformator of electric power host, exports 2 road AC127V power supplys through the first inverter circuit plate and the second inverter circuit plate, the first handover module and the first switch K1；Export other 2 road AC127V power supplys through the 3rd inverter circuit plate and the 4th inverter circuit plate, the second handover module and second switch K2 simultaneously；When underground coal mine AC1140V/660V power supply accident power-off, it is that electric power host is powered that the corresponding inverter circuit plate worked of electric power host automatically switched into by 2 groups of reserve battery casees after ground without the time, the DC24V power supply of one of which battery case output is reverse into AC127V power supply through the first inverter circuit plate and the second inverter circuit plate, exports 2 road AC127V power supplys through the first handover module and the first switch K1；The DC24V power supply of another Battery pack case output is reverse into AC127V power supply through the 3rd inverter circuit plate and the 4th inverter circuit plate, exports 2 road AC127V power supplys through the second handover module and second switch K2；Thus ensure that the AC127V power supply of electric power host exports not power-off.
The centrally connected power supply device of underground coal mine Digital Mine system of the present utility model, the extension of its battery capacity redundancy is very convenient, when the needs raising system uninterrupted power supply time, only need to increase the increase in capacity i.e. feasible system effective cruising time of the lithium battery of backup battery case such that it is able to be effectively ensured underground coal mine field maintenance, repair time more than 2 hours when reliable power supply；It is arranged on the monitoring terminal that coal mine ground communicates with electric power host, it is possible to understand and grasp duty and the system power supply state of underground coal mine power-supply device, convenient management easily.
Above example is the explanation to detailed description of the invention of the present utility model; rather than to restriction of the present utility model; person skilled in the relevant technique is in the case of without departing from spirit and scope of the present utility model; can also make various conversion and change and obtain the technical scheme of corresponding equivalent, the technical scheme of the most all equivalents all should be included into scope of patent protection of the present utility model.
Claims (4)
1. a centrally connected power supply device for underground coal mine Digital Mine system, including reserve battery case, Flameproof and intrinsically safe power supply, communication sub-station and ground switch, it is characterised in that: also include electric power host and monitor terminal；
Described reserve battery case has power input and power output end；External underground coal mine AC1140V/660V power supply when the power input of reserve battery case uses；The power output end output DC24V power supply of reserve battery case；Reserve battery case is provided with more than 4；The reserve battery case of more than 4 is divided into 2 groups；Often group reserve battery case is provided with the reserve battery case of more than 2, often organizes the power output end Parallel opertation of reserve battery case；
Electric power host includes transformator, the first inverter circuit plate, the second inverter circuit plate, the 3rd inverter circuit plate, the 4th inverter circuit plate, the first handover module, the second handover module, the first switch K1, second switch K2, the 3rd switch K3, communication control panel and LCDs；
Transformator has power input and power output end；External underground coal mine AC1140V/660V power supply when the power input of transformator uses；The power output end output AC127V power supply of transformator；First to fourth inverter circuit plate is respectively equipped with the first power input, second source input, power output end and communication ends；First handover module and the second handover module are respectively equipped with power input and power output end；Communication control panel is provided with internal communication ends, correspondence with foreign country end, display signal communication ends and power end；LCDs is provided with signal input part and power end；
First power input of first to fourth inverter circuit plate all electrically connects with the power output end of transformator；The second source input of the first and second inverter circuit plates is electrically connected by the power output end of the 3rd switch K3 and 1 group of reserve battery case；The second source input of the third and fourth inverter circuit plate is electrically connected with the power output end of another 1 group of reserve battery case by the 3rd switch K3；The power input of the first handover module and the power output end electrical connection of the first and second inverter circuit plates；The power output end of the first handover module and the input electrical connection of the first switch K1；The outfan of the first switch K1 exports 2 road AC127V power supplys；The power input of the second handover module and the power output end electrical connection of the third and fourth inverter circuit plate；The power output end of the first handover module electrically connects with the input of second switch K2；The outfan of second switch K2 exports 2 road AC127V power supplys；The communication ends of first to fourth inverter circuit plate all with the internal communication ends two-way communication of communication control panel；The power end of communication control panel and the power end of LCDs are all electrically connected by the power output end of the 3rd switch K3 and 2 groups of reserve battery casees；The signal input part of LCDs communicates with the display signal communication ends of communication control panel；
The correspondence with foreign country end of the communication control panel of electric power host is through communication sub-station, ground switch and monitor terminal communication；Flameproof and intrinsically safe power supply arranges more than 1；Flameproof and intrinsically safe power supply has power input；The power input of Flameproof and intrinsically safe power supply connects the AC127V power supply of electric power host output.
The centrally connected power supply device of underground coal mine Digital Mine system the most according to claim 1, it is characterised in that: the built-in reserve battery of described reserve battery case is chargeable lithium cell group.
The centrally connected power supply device of underground coal mine Digital Mine system the most according to claim 1, it is characterised in that: the transformator of described electric power host is the transformator of 2000W power.
The centrally connected power supply device of underground coal mine Digital Mine system the most according to claim 1, it is characterised in that: the first handover module of described electric power host and the second handover module are the catalyst with interlock function.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620252424.1U CN205509650U (en) | 2016-03-29 | 2016-03-29 | Colliery is concentrated power supply unit of digital mine system in pit |
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| CN201620252424.1U CN205509650U (en) | 2016-03-29 | 2016-03-29 | Colliery is concentrated power supply unit of digital mine system in pit |
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| CN205509650U true CN205509650U (en) | 2016-08-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107032039A (en) * | 2017-04-19 | 2017-08-11 | 天地（常州）自动化股份有限公司 | From the mining transfer chute of dredging |
| CN108632477A (en) * | 2018-07-13 | 2018-10-09 | 天信中科（天津）电子有限公司 | A kind of underground broadcast alarm call remote power supply device |
-
2016
- 2016-03-29 CN CN201620252424.1U patent/CN205509650U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107032039A (en) * | 2017-04-19 | 2017-08-11 | 天地（常州）自动化股份有限公司 | From the mining transfer chute of dredging |
| CN107032039B (en) * | 2017-04-19 | 2019-06-18 | 天地（常州）自动化股份有限公司 | From the mining transfer chute of dredging |
| CN108632477A (en) * | 2018-07-13 | 2018-10-09 | 天信中科（天津）电子有限公司 | A kind of underground broadcast alarm call remote power supply device |
| CN108632477B (en) * | 2018-07-13 | 2024-04-12 | 天信中科（天津）电子有限公司 | Remote power supply device for underground broadcast alarm telephone |
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