CN103605337A - High voltage test on-site safety management control auxiliary system and management control method - Google Patents
High voltage test on-site safety management control auxiliary system and management control method Download PDFInfo
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- CN103605337A CN103605337A CN201310554700.0A CN201310554700A CN103605337A CN 103605337 A CN103605337 A CN 103605337A CN 201310554700 A CN201310554700 A CN 201310554700A CN 103605337 A CN103605337 A CN 103605337A
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Abstract
The invention discloses a high voltage test on-site safety management control auxiliary system and management control method. The system is composed of a main control box with a system state display, four boundary violation signal generation devices which are dispersed at four monitoring points in a high voltage test process, and four hand-held terminals, wherein the main control box and the hand-held terminals are internally provided with wireless transmit-receive modules capable of mutually sending or receiving information respectively; and the boundary violation signal generation devices mainly comprise power source power supply circuits, wireless communication circuits and acousto-optic alarm circuits. During the high voltage test process, monitoring personnel distributed at important monitoring points each manage one terminal and send state signals to the main control box through specific buttons on the terminals; the main control box, according to the received signals, performs corresponding operation automatically or through test operation personnel in a hand-operated manner and send feedback signals to the terminals; the hand-held terminals are provided with duty-specifying, positioning and boundary violation alarm functions, and can realize real-time management of the behaviors of the monitoring personnel through monitoring the distance between the hand-held terminals and other hand-held terminals; and the main control box manages personnel operation authority by adopting a fingerprint identification function so that personnel are on duty and responsibilities are shouldered in the test process, and wrong operation of personnel with unqualified technology level can be avoided.
Description
Technical field
What the present invention relates to is a kind of high-voltage test site safety management and control backup system and management-control method, belongs to high-voltage test site safety management and control technical field.
Technical background
In especially withstand voltage test of electric system high-potting (cable voltage, GIS is withstand voltage etc., switch cabinet bus is withstand voltage) process, institute's making alive is higher, voltage is longer action time, unpredictable many factors, and the many people of main employing guard, exhale the mode of singing to carry out on-the-spot management and control in time at present.But the equipment that relates to of test is more, and monitoring personnel are dispersed in a plurality of regions, the voice signal that monitoring personnel send is subject to field condition to affect (as on-the-spot noise, body of wall sound insulation etc.) to pass on obstructed; As use intercom, and often alter channel condition, information very likely can not be conveyed to test responsible official and test operation personnel in time, thereby produces larger potential safety hazard; Once have accident to occur, under action of high voltage, as taken measures not in time, will bring great bodily injury to personnel and equipment.
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, and provide a kind of aim in line with " safety first; put prevention first; the comprehensive regulation " and " people-oriented ", comprehensive multi channel signals intercommunication and Long-distance Control, the region technology such as warning, fingerprint recognition of crossing the border that adopt, according to on-site actual situations, the break-make of experiment power supply is carried out to high-voltage test site safety management and control backup system and the management-control method that reply is processed in time, the on-the-spot management and control level of its strong lifting test, particularly for the emergency disposal ability of accident.
The object of the invention is to complete by following technical solution, a high-voltage test site safety management and control backup system, this system is scattered in cross the border signal generation apparatus and four hands on four monitoring points by a Main Control Tank with system state display screen, four and holds terminal and form in high-potting process; In described Main Control Tank and hand hold and in terminal, dispose respectively the radio receiving transmitting module that can mutually send or receive information; The described signal generation apparatus that crosses the border mainly comprises power-supplying circuit, wireless communication line and sound light alarming circuit.
On described system state display screen, be provided with four respectively corresponding four hands hold the charge position of terminal, in each charge position, corresponding to hand separately, holding terminal is respectively arranged with: can pressurize, step-down power-off and terminal are crossed the border three demonstrations, wherein can pressurize, two demonstrations of step-down power-off respectively with each self-corresponding hand hold terminal operation screen upper arrange pressurize, two buttons of step-down power-off are associated, and another terminal is crossed the border and is associated with the described signal generation apparatus that crosses the border; Described hand is held on terminal operation screen and is also provided with cut-off button immediately, and switch closing a floodgate after having closed shows and the separating brake demonstration of switch after having disconnected.
Described Main Control Tank mainly comprises a master control borad being comprised of power-supplying circuit, high pressure supervisory circuit, wireless communication line, man-machine interface circuit, charging inlet circuit and fingerprint interface circuit; Described handheld terminal is mainly by power circuit, wireless communication line and state indication button operation the electric circuit constitute; The wireless communication line that described master control borad and hand are held terminal mainly comprises a radio receiving transmitting module; The described signal generation apparatus that crosses the border comprises a monitoring board that contains power-supplying circuit, wireless communication line, sound light alarming circuit three partial circuits.
Described high pressure supervisory circuit is comprised of high pressure cut-off circuit and high-voltage detecting circuit; Described radio communication line mainly comprises a chip CC2530 for ZIGBee wireless telecommunications, and its inside comprises the kernel of a similar MCS-51 single-chip microcomputer, includes radio receiving transmitting module simultaneously; Described man-machine interface circuit comprises two parts circuit, and a part is liquid crystal display circuit, comprises liquid crystal communication interface U2, backlight drive circuit Q1 and contrast adjustment interface J1; Another part is key circuit, uses three buttons to operate, and keystroke interface is J4; Described charging inlet circuit, for provide+5V of charging panel voltage, is exported three tunnel indicator signals simultaneously, reserved four charging inlets of device panel, Ke Gong tetra-road hander chargings simultaneously; Described fingerprint interface circuit is J7, and processor is by serial line interface and fingerprint module communication, and connection is RXD and TXD, and+5V provides operating voltage for fingerprint module.
Power circuit in described handheld terminal connects lithium battery by J1 interface, and lithium battery power supply, for to circuit board, is then arrived to 3.3V by CAT6219 by voltage voltage stabilizing, for other circuit of wiring board; Described radio communication line mainly comprises a chip CC2530 for ZIGBee wireless telecommunications, and its inside comprises the kernel of a similar MCS-51 single-chip microcomputer, includes radio receiving transmitting module simultaneously; Described state indication button operation circuit comprises three buttons that are connected respectively to KEY1, KEY2, KEY2, comprises 5 pilot lamp that are connected respectively to LED1, LED2, LED3, LED4, LED5.
The power-supplying circuit of the described signal generation apparatus that crosses the border, its J1 interface is connected to outside lithium battery, then by 78M05, voltage is reduced to 5V, and through CAT6219, step-down is 3.3V to then+5V voltage, for controller and other circuit; Described wireless communication line mainly comprises a chip CC2530 for ZIGBee wireless telecommunications, and its inside comprises the kernel of a similar MCS-51 single-chip microcomputer, includes radio receiving transmitting module simultaneously; Described sound light alarming circuit adopts ALARM to control light alarm, and when hander being detected not in setting range time, ALARM controls Q2 conducting, and Q2 conducting makes Q1 conducting, by J2 interface, to externally fed, after outside switches on power, occurs flashing light alarm signal.
The utilization management-control method that arbitrary high-voltage test site safety management and control backup system is implemented as mentioned above, described management-control method comprises following five aspects:
1) before pressurization, each monitoring personnel arrive appointment guarded region, and after scene is confirmed, by hand, hold terminal and send " can pressurize " signal, control box is after all terminals have all been sent this signal, could close a floodgate and pressurize smoothly, this front switch blade be always in blocking; After plug-in strip closes, control box sends " closing a floodgate " signal to terminal, reminds monitor staff to strengthen monitoring;
2) in pressure process, monitor staff occurs as found that there is controlled emergency situations, and monitor staff can hold terminal by hand and send " step-down power-off " signal, and the manually steady step-down of test operation personnel is also cut off the electricity supply; After power-off, control box sends " separating brake " signal to terminal, and field staff receives this signal, carries out scene and confirms, and carry out respective handling work;
3) in pressure process, when monitor staff finds that there is as the emergency condition that power-off immediately will not cause casualties or equipment is damaged, can hold terminal by hand and send " power-off immediately " signal, control box is immediately at 1S internal cutting off power supply; After power supply excision, control box sends " separating brake " signal to terminal, informs that monitor staff can carry out further work;
4) at hand, hold terminal and install the warning function that crosses the border additional, in center, control point, contact is set, in pressure process, as hand, hold terminal and contact distance and surpass certain limit (3-5 rice), contact sends sound and light alarm signal, remind monitor staff to leave monitoring region, terminal sends " terminal is crossed the border " signal to Main Control Tank simultaneously, and the manual steadily step-down of test operation personnel is also cut off the electricity supply; After power supply excision, control box sends " separating brake " signal to terminal, after test responsible official and test operation personnel must examine monitor staff's state, can again pressurize;
5), according to the work personnel's of teams and groups actual techniques level of skill, the personnel that combing is familiar with test principle and flow process, can be carried out test apparatus operation, by its finger print information typing Main Control Tank; Before test, by work responsible official, specify the operating personnel of this test, its authority is made as to " can operate "; In process of the test, only have after these operating personnel carry out fingerprint authentication and pass through, Main Control Tank just can carry out power supply closing operation.
Essence of the present invention is a kind of multi channel signals intercommunication power control system, it by 1 Main Control Tank, 4 hands hold terminal, 4 signal generation apparatus that cross the border form, in high-potting process, the monitoring personnel that are scattered in each important monitoring point respectively manage 1 terminal, by the specific button in terminal, to Main Control Tank, send status signal, Main Control Tank, according to the signal receiving, automatically or by test operation personnel manually carries out corresponding operating and sends feedback signal to terminal; Hand is held " location of determining a post, the warning of crossing the border " function that terminal has, and can realize the real-time management to monitoring human behavior; Operating right management and the fingerprint identification function of Main Control Tank, the personnel in process of the test that can realize put in place, power and responsibility puts in place, have stopped not possess the horizontal personnel's of correlation technique maloperation.
The present invention has following useful technique effect:
1) high-potting operation and monitoring relevant institutions rules are solidified by soft and hardware system, fully ensure effective execution of site safety management system, effectively alleviate working pressure and the workload of the on-the-spot management and control of high-potting work responsible official.
2) be effectively reduced in the risk that in high-potting process, fortuitous event causes casualties, equipment to be damaged.
3) stop to carry out maloperation and cause the situation of casualties and equipment damage to occur without the personnel of associative skills level.
Accompanying drawing explanation
Fig. 1 is the composition structural representation of whole system of the present invention.
Fig. 2 is the state display screen schematic diagram of Main Control Tank of the present invention.
Fig. 3 is the schematic diagram that hand of the present invention is held terminal operation screen.
Fig. 4 is the circuit theory diagrams of this Main Control Tank of the present invention.
Fig. 5 is the circuit theory diagrams that hand of the present invention is held terminal.
Fig. 6 is the circuit theory diagrams of the signal generation apparatus that crosses the border of the present invention.
Fig. 7 is that system of the present invention is carried out the schematic flow sheet of management and control for field condition.
Embodiment
Below in conjunction with drawings and Examples, the present invention is done to detailed introduction: shown in Fig. 1, the present invention is scattered in cross the border signal generation apparatus 3 and four hands on four monitoring points 2 by a Main Control Tank 1 with system state display screen and four and holds terminal 4 and form in high-potting process; In described Main Control Tank 1 and hand hold the interior radio receiving transmitting module that can mutually send or receive information that disposes respectively of terminal 4; The described signal generation apparatus 3 that crosses the border mainly comprises power-supplying circuit, wireless communication line and sound light alarming circuit.
Shown in Fig. 2,3, on described system state display screen, be provided with four respectively corresponding four hands hold the charge position 5 of terminal, in each charge position 5, corresponding to hand separately, holding terminal is respectively arranged with: can pressurize, step-down power-off and terminal cross the border three and show 6,7,8, wherein can pressurize, two of step-down power-off show 6,7 respectively with each self-corresponding hand hold terminal operation screen upper arrange pressurize, two button n1, n2 are associated in step-down power-off, and another terminal cross the border demonstration 8 with described in the signal generation apparatus 3 that crosses the border be associated; Described hand is held on terminal operation screen and is also provided with cut-off button n3 immediately, and switch closing a floodgate after having closed show 9 and the separating brake of switch after having disconnected show 10.In Fig. 2, also comprise input power 11, input indication 12, out-put supply 13, output indication 14, output control switch 15, finger scan port one 6.
Shown in Fig. 4,5,6, described Main Control Tank mainly comprises a master control borad being comprised of power-supplying circuit, high pressure supervisory circuit, wireless communication line, man-machine interface circuit, charging inlet circuit and fingerprint interface circuit; Described handheld terminal is mainly by power circuit, wireless communication line and state indication button operation the electric circuit constitute; The wireless communication line that described master control borad and hand are held terminal mainly comprises a radio receiving transmitting module; The described signal generation apparatus that crosses the border comprises a monitoring board that contains power-supplying circuit, wireless communication line, sound light alarming circuit three partial circuits.
Shown in Fig. 4, described high pressure supervisory circuit is comprised of high pressure cut-off circuit and high-voltage detecting circuit; Described radio communication line mainly comprises a chip CC2530 for ZIGBee wireless telecommunications, and its inside comprises the kernel of a similar MCS-51 single-chip microcomputer, includes radio receiving transmitting module simultaneously; Described man-machine interface circuit comprises two parts circuit, and a part is liquid crystal display circuit, comprises liquid crystal communication interface U2, backlight drive circuit Q1 and contrast adjustment interface J1; Another part is key circuit, uses three buttons to operate, and keystroke interface is J4; Described charging inlet circuit, for provide+5V of charging panel voltage, is exported three tunnel indicator signals simultaneously, reserved four charging inlets of device panel, Ke Gong tetra-road hander chargings simultaneously; Described fingerprint interface circuit is J7, and processor is by serial line interface and fingerprint module communication, and connection is RXD and TXD, and+5V provides operating voltage for fingerprint module.
Shown in Fig. 5, the power circuit in described handheld terminal connects lithium battery by J1 interface, and lithium battery power supply, for to circuit board, is then arrived to 3.3V by CAT6219 by voltage voltage stabilizing, for other circuit of wiring board; Described radio communication line mainly comprises a chip CC2530 for ZIGBee wireless telecommunications, and its inside comprises the kernel of a similar MCS-51 single-chip microcomputer, includes radio receiving transmitting module simultaneously; Described state indication button operation circuit comprises three buttons that are connected respectively to KEY1, KEY2, KEY2, comprises 5 pilot lamp that are connected respectively to LED1, LED2, LED3, LED4, LED5.
Shown in Fig. 6, described in the cross the border power-supplying circuit of signal generation apparatus, its J1 interface is connected to outside lithium battery, then by 78M05, voltage is reduced to 5V, through CAT6219, step-down is 3.3V to then+5V voltage, for controller and other circuit; Described wireless communication line mainly comprises a chip CC2530 for ZIGBee wireless telecommunications, and its inside comprises the kernel of a similar MCS-51 single-chip microcomputer, includes radio receiving transmitting module simultaneously; Described sound light alarming circuit adopts ALARM to control light alarm, and when hander being detected not in setting range time, ALARM controls Q2 conducting, and Q2 conducting makes Q1 conducting, by J2 interface, to externally fed, after outside switches on power, occurs flashing light alarm signal.
Shown in Fig. 7, a kind of utilization management-control method that arbitrary high-voltage test site safety management and control backup system is implemented as mentioned above, described management-control method comprises following five aspects:
1) before pressurization, each monitoring personnel arrive appointment guarded region, and after scene is confirmed, by hand, hold terminal and send " can pressurize " signal, control box is after all terminals have all been sent this signal, could close a floodgate and pressurize smoothly, this front switch blade be always in blocking; After plug-in strip closes, control box sends " closing a floodgate " signal to terminal, reminds monitor staff to strengthen monitoring;
2) in pressure process, monitor staff occurs as found that there is controlled emergency situations, and monitor staff can hold terminal by hand and send " step-down power-off " signal, and the manually steady step-down of test operation personnel is also cut off the electricity supply; After power-off, control box sends " separating brake " signal to terminal, and field staff receives this signal, carries out scene and confirms, and carry out respective handling work;
3) in pressure process, when monitor staff finds that there is as the emergency condition that power-off immediately will not cause casualties or equipment is damaged, can hold terminal by hand and send " power-off immediately " signal, control box is immediately at 1S internal cutting off power supply; After power supply excision, control box sends " separating brake " signal to terminal, informs that monitor staff can carry out further work;
4) at hand, hold terminal and install the warning function that crosses the border additional, in center, control point, contact is set, in pressure process, as hand, hold terminal and contact distance and surpass certain limit (3-5 rice), contact sends sound and light alarm signal, remind monitor staff to leave monitoring region, terminal sends " terminal is crossed the border " signal to Main Control Tank simultaneously, and the manual steadily step-down of test operation personnel is also cut off the electricity supply; After power supply excision, control box sends " separating brake " signal to terminal, after test responsible official and test operation personnel must examine monitor staff's state, can again pressurize;
5), according to the work personnel's of teams and groups actual techniques level of skill, the personnel that combing is familiar with test principle and flow process, can be carried out test apparatus operation, by its finger print information typing Main Control Tank; Before test, by work responsible official, specify the operating personnel of this test, its authority is made as to " can operate "; In process of the test, only have after these operating personnel carry out fingerprint authentication and pass through, Main Control Tank just can carry out power supply closing operation.
The present invention narrates embodiment and also comprises the full content shown in Fig. 7
Embodiment:
Shown in Fig. 4,5,6, master control borad of the present invention mainly comprises power-supplying circuit, high pressure supervisory circuit, wireless communication line, man-machine interface circuit, charging inlet circuit and fingerprint interface circuit;
1) power-supplying circuit: master control borad provides DC12V and two kinds of voltages of DC5V to J2 interface by external switch power supply.The relay that 12V offers high pressure supervisory circuit uses, and 5V offers man-machine interface, charging circuit, fingerprint module use.By SPX1117, by 5V step-down, be that 3.3V is for communicating circuit in addition.
2) high pressure supervisory circuit: high pressure supervisory circuit is comprised of high pressure cut-off circuit and high-voltage detecting circuit.While there are abnormal conditions, HVOUT is high level, makes the K1 actuating of relay, outside is leaked to protect and realize simulation electric leakage, will leak to protect to disconnect.Whether by optocoupler PC817, detected and tripped simultaneously, feedback signal HVIN is to processor.
3) wireless communication line: the device that radio communication line is mainly used is CC2530, its inside comprises the kernel of a similar MCS-51 single-chip microcomputer, comprises radio receiving transmitting module simultaneously.CC2530 is the special chip for ZIGBee wireless telecommunications of producing of TIX, and power consumption is little, and communication distance is long.If the peripheral circuit of this part main circuit CC2530, comprises power circuit, oscillating circuit, reset circuit, wireless transceiver circuit.
4) man-machine interface circuit: man-machine interface comprises two parts circuit, a part is liquid crystal display circuit, comprises liquid crystal communication interface U2, backlight drive circuit Q1 and contrast adjustment interface J1.Another part is key circuit, and this device is used three buttons to operate, and keystroke interface is J4.
5) charging inlet circuit: charging inlet circuit, for provide+5V of charging panel voltage, is exported three tunnel indicator signals simultaneously, reserved four charging inlets of device panel, Ke Gong tetra-road hander chargings simultaneously.
6) fingerprint interface circuit: fingerprint interface circuit is J7, processor is by serial line interface and fingerprint module communication, and connection is RXD and TXD, and+5V provides operating voltage for fingerprint module.
Handheld terminal of the present invention mainly comprises power circuit, wireless communication line and state indication button operation circuit.
1) power circuit: power circuit connects lithium battery by J1 interface, for to circuit board, then arrives 3.3V by CAT6219 by voltage voltage stabilizing, for other circuit of wiring board by lithium battery power supply.Controller is controlled the work of CAT6219 by PWRON, can when for a long time without button, close power supply, makes hander penetration depth dormant state.
2) wireless communication line: the device that radio communication line is mainly used is CC2530, its inside comprises the kernel of a similar MCS-51 single-chip microcomputer, comprises radio receiving transmitting module simultaneously.CC2530 is the special chip for ZIGBee wireless telecommunications of producing of TIX, and power consumption is little, and communication distance is long.If the peripheral circuit of this part main circuit CC2530, comprises power circuit, oscillating circuit, reset circuit, wireless transceiver circuit.
3) state indication button operation circuit: hander comprises that three buttons are connected respectively to KEY1, KEY2, KEY2.Comprise 5 pilot lamp, be connected respectively to LED1, LED2, LED3, LED4, LED5.Above signal is all connected to processor and processes.
The signal generation apparatus that crosses the border of the present invention, it comprises a monitoring board, wherein comprises three partial circuits: power-supplying circuit, wireless communication line, sound light alarming circuit.
1) power-supplying circuit: J1 interface connects outside lithium battery, then by 78M05, voltage is reduced to 5V, through CAT6219, step-down is 3.3V to then+5V voltage, for controller and other circuit.
2) wireless communication line: the device that radio communication line is mainly used is CC2530, its inside comprises the kernel of a similar MCS-51 single-chip microcomputer, comprises radio receiving transmitting module simultaneously.CC2530 is the special chip for ZIGBee wireless telecommunications of producing of TIX, and power consumption is little, and communication distance is long.If the peripheral circuit of this part main circuit CC2530, comprises power circuit, oscillating circuit, reset circuit, wireless transceiver circuit.
3) sound light alarming circuit: ALARM controls light alarm, and when hander being detected not in setting range time, ALARM controls Q2 conducting, and Q2 conducting makes Q1 conducting, by J2 interface, to externally fed, after outside switches on power, occurs flashing light alarm signal.BELL is audible ringing signal, after Q3 conducting, and the U3 energising warning of sounding.
The present invention also comprises charging inlet, and described charging inlet comprises two parts, lithium battery charging circuit and signal indicating circuit.
1) lithium battery charging circuit: lithium battery charging circuit is used special charging chip LTC4054-4.2, chip output voltage stabilization, charging current can arrange, and can carry out trickle charge extending battery life, and this chip is with the output of charging indicator signal simultaneously.In way, D1 is charging indicator light, and during charging, lamp is bright, uncharged or while being full of lamp dark.
2) signal indicating circuit: charging indication comprises that three tunnel indicator signal ，Zhe tri-road signals, all from master control borad, are used to indicate the monitoring state of monitoring point.
Channel signal intercommunication power control system of the present invention, main management and control means are divided into five parts:
1) before pressurization, each monitoring personnel arrive appointment guarded region, and after scene is confirmed, by hand, hold terminal and send " can pressurize " signal, control box is after all terminals have all been sent this signal, could close a floodgate and pressurize smoothly, this front switch blade be always in blocking; After plug-in strip closes, control box sends " closing a floodgate " signal to terminal, reminds monitor staff to strengthen monitoring;
2) in pressure process, monitor staff occurs as found that there is controlled emergency situations, as due to on-the-spot wind-force, cause more greatly lead-in wire have loosening sign and due to other reasons need to stop test situation, monitor staff can hold terminal by hand and send " step-down power-off " signal, and the manually steady step-down of test operation personnel is also cut off the electricity supply; After power-off, control box sends " separating brake " signal to terminal, and field staff receives this signal, carries out scene and confirms, and carry out respective handling work;
3) in pressure process, when monitor staff finds that there is as the emergency condition that power-off immediately will not cause casualties or equipment is damaged, thought in line with " people-oriented ", can hold terminal by hand and send " power-off immediately " signal, control box is immediately at 1S internal cutting off power supply, thus support personnel and device security; After power supply excision, control box sends " separating brake " signal to terminal, informs that monitor staff can carry out further work;
4) at hand, hold terminal and install the warning function that crosses the border additional, in center, control point, contact is set, in pressure process, as hand, hold terminal and contact distance and surpass certain limit (3-5 rice), contact sends sound and light alarm signal, remind monitor staff to leave monitoring region, terminal sends " terminal is crossed the border " signal to Main Control Tank simultaneously, and the manual steadily step-down of test operation personnel is also cut off the electricity supply; After power supply excision, control box sends " separating brake " signal to terminal, after test responsible official and test operation personnel must examine monitor staff's state, can again pressurize.
5), according to the work personnel's of teams and groups actual techniques level of skill, the personnel that combing is familiar with test principle and flow process, can be carried out test apparatus operation, by its finger print information typing Main Control Tank; Before test, by work responsible official, specify the operating personnel of this test, its authority is made as to " can operate "; In process of the test, only have after these operating personnel carry out fingerprint authentication and pass through, Main Control Tank just can carry out power supply closing operation; Accomplished in the course of work that personnel put in place, power and responsibility puts in place, stopped the maloperation without the personnel of correlation technique level.
Claims (7)
1. a high-voltage test site safety management and control backup system, this system is scattered in cross the border signal generation apparatus and four hands on four monitoring points by a Main Control Tank with system state display screen, four and holds terminal and form in high-potting process; In described Main Control Tank and hand hold and in terminal, dispose respectively the radio receiving transmitting module that can mutually send or receive information; The described signal generation apparatus that crosses the border mainly comprises power-supplying circuit, wireless communication line and sound light alarming circuit.
2. high-voltage test site safety management and control backup system according to claim 1, it is characterized in that being provided with on described Main Control Tank panel four respectively corresponding four hands hold the charge position of terminal, in each charge position, corresponding to hand separately, holding terminal is respectively arranged with: can pressurize, step-down power-off and terminal are crossed the border three demonstrations, wherein can pressurize, two demonstrations of step-down power-off hold with each self-corresponding hand pressurizeing of arranging in terminal respectively, two buttons of step-down power-off are associated, and another terminal is crossed the border and is associated with the described signal generation apparatus that crosses the border; Described hand is held and in terminal, is also provided with cut-off button immediately, and switch closing a floodgate after having closed shows and the separating brake demonstration of switch after having disconnected.
3. high-voltage test site safety management and control backup system according to claim 1 and 2, is characterized in that described Main Control Tank mainly comprises a master control borad being comprised of power-supplying circuit, high pressure supervisory circuit, wireless communication line, man-machine interface circuit, charging inlet circuit and fingerprint interface circuit; Described handheld terminal is mainly by power circuit, wireless communication line and state indication button operation the electric circuit constitute; The wireless communication line that described master control borad and hand are held terminal mainly comprises a radio receiving transmitting module; The described signal generation apparatus that crosses the border comprises a monitoring board that contains power-supplying circuit, wireless communication line, sound light alarming circuit three partial circuits.
4. high-voltage test site safety management and control backup system according to claim 3, is characterized in that described high pressure supervisory circuit is comprised of high pressure cut-off circuit and high-voltage detecting circuit; Described radio communication line mainly comprises a chip CC2530 for ZIGBee wireless telecommunications, and its inside comprises the kernel of a similar MCS-51 single-chip microcomputer, includes radio receiving transmitting module simultaneously; Described man-machine interface circuit comprises two parts circuit, and a part is liquid crystal display circuit, comprises liquid crystal communication interface U2, backlight drive circuit Q1 and contrast adjustment interface J1; Another part is key circuit, uses three buttons to operate, and keystroke interface is J4; Described charging inlet circuit, for provide+5V of charging panel voltage, is exported three tunnel indicator signals simultaneously, reserved four charging inlets of device panel, Ke Gong tetra-road hander chargings simultaneously; Described fingerprint interface circuit is J7, and processor is by serial line interface and fingerprint module communication, and connection is RXD and TXD, and+5V provides operating voltage for fingerprint module.
5. high-voltage test site safety management and control backup system according to claim 3, it is characterized in that the power circuit in described handheld terminal connects lithium battery by J1 interface, lithium battery power supply is supplied to circuit board, then by CAT6219, voltage voltage stabilizing is arrived to 3.3V, for other circuit of wiring board; Described radio communication line mainly comprises a chip CC2530 for ZIGBee wireless telecommunications, and its inside comprises the kernel of a similar MCS-51 single-chip microcomputer, includes radio receiving transmitting module simultaneously; Described state indication button operation circuit comprises three buttons that are connected respectively to KEY1, KEY2, KEY2, comprises 5 pilot lamp that are connected respectively to LED1, LED2, LED3, LED4, LED5.
6. high-voltage test site safety management and control backup system according to claim 3, the power-supplying circuit of signal generation apparatus crosses the border described in it is characterized in that, its J1 interface is connected to outside lithium battery, then by 78M05, voltage is reduced to 5V, then through CAT6219, step-down is 3.3V to+5V voltage, for controller and other circuit; Described wireless communication line mainly comprises a chip CC2530 for ZIGBee wireless telecommunications, and its inside comprises the kernel of a similar MCS-51 single-chip microcomputer, includes radio receiving transmitting module simultaneously; Described sound light alarming circuit adopts ALARM to control light alarm, and when hander being detected not in setting range time, ALARM controls Q2 conducting, and Q2 conducting makes Q1 conducting, by J2 interface, to externally fed, after outside switches on power, occurs flashing light alarm signal.
7. utilize the management-control method that in claim 1 to 6, arbitrary high-voltage test site safety management and control backup system is implemented, it is characterized in that described management-control method comprises following five aspects:
1) before pressurization, each monitoring personnel arrive appointment guarded region, and after scene is confirmed, by hand, hold terminal and send " can pressurize " signal, control box is after all terminals have all been sent this signal, could close a floodgate and pressurize smoothly, this front switch blade be always in blocking; After plug-in strip closes, control box sends " closing a floodgate " signal to terminal, reminds monitor staff to strengthen monitoring;
2) in pressure process, monitor staff occurs as found that there is controlled emergency situations, and monitor staff can hold terminal by hand and send " step-down power-off " signal, and the manually steady step-down of test operation personnel is also cut off the electricity supply; After power-off, control box sends " separating brake " signal to terminal, and field staff receives this signal, carries out scene and confirms, and carry out respective handling work;
3) in pressure process, when monitor staff finds that there is as the emergency condition that power-off immediately will not cause casualties or equipment is damaged, can hold terminal by hand and send " power-off immediately " signal, control box is immediately at 1S internal cutting off power supply; After power supply excision, control box sends " separating brake " signal to terminal, informs that monitor staff can carry out further work;
4) at hand, hold terminal and install the warning function that crosses the border additional, in center, control point, contact is set, in pressure process, as hand, hold terminal and contact distance and surpass certain limit (3-5 rice), contact sends sound and light alarm signal, remind monitor staff to leave monitoring region, terminal sends " terminal is crossed the border " signal to Main Control Tank simultaneously, and the manual steadily step-down of test operation personnel is also cut off the electricity supply; After power supply excision, control box sends " separating brake " signal to terminal, after test responsible official and test operation personnel must examine monitor staff's state, can again pressurize;
5), according to the work personnel's of teams and groups actual techniques level of skill, the personnel that combing is familiar with test principle and flow process, can be carried out test apparatus operation, by its finger print information typing Main Control Tank; Before test, by work responsible official, specify the operating personnel of this test, its authority is made as to " can operate "; In process of the test, only have after these operating personnel carry out fingerprint authentication and pass through, Main Control Tank just can carry out power supply closing operation.
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| CN108572618A (en) * | 2018-07-11 | 2018-09-25 | 国网江苏省电力有限公司太仓市供电分公司 | A kind of hand-held control terminal |
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