CN1222779A - Electric power system dispatching method and digital power dispatching system - Google Patents
Electric power system dispatching method and digital power dispatching system Download PDFInfo
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- CN1222779A CN1222779A CN 97107397 CN97107397A CN1222779A CN 1222779 A CN1222779 A CN 1222779A CN 97107397 CN97107397 CN 97107397 CN 97107397 A CN97107397 A CN 97107397A CN 1222779 A CN1222779 A CN 1222779A
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Abstract
The dispatching method is that the electric power dispatching department sends digital pulse signal to host computer to put on the paging station, which sends out the signal within its action range. The beeper in the user's power control cabinet receives the paging signal, and the signal after being distinguished and amplified controls via switch circuit the on/off of the electric power switch.
Description
The present invention is relevant with the dispatching method and the dispatching patcher of electric power system, and is especially relevant with the method and apparatus of the control switch that utilizes digital information network control system power consumer
Along with the continuous expansion of city size, urban industry and civilian power consumption are increasing, and China's development of power resources level is not high, and along with rapid economy development, the general short of electricity in the whole nation is often because of the excess load power cuts to limit consumption of having to.And carrier wave system is continued to use in present power scheduling always, the equipment manufacturing cost height, and the equipment complexity can only be controlled in flakes.The mode that adopts the zone to have a power failure as long as power cuts to limit consumption often causes the economic loss of a lot of enterprises, because power cuts to limit consumption causes large-area domestic lighting to have a power failure simultaneously again, is made troubles to resident living simultaneously.The interior important unit electricity consumption in zone of rationing the power supply can not be escaped by luck, and the loss that causes is bigger.The mode that the zone has a power failure can not make full use of electric power resource, can not reach best economic benefit.Can not guarantee the safe operation of electric power system.
The purpose of this invention is to provide a kind of the simple and feasible of above-mentioned shortcoming that overcome, with low cost, control accurately, arbitrarily, reliable, and can use the method and apparatus of existing digital information net to power system dispatching.
The digital information net that utilizes of the present invention is as follows to the method for power system dispatching:
The opening a sluice gate of the electric control cabinet of power consumer, barrier gate signal and address signal are launched with digital signal by the paging centers of digital information net (for example the public notifies from a phone call net).Receiving system is digital beeper, and beeper is contained in the electric control cabinet, after receiving the signal of being notified from a phone call, except sounding, also will demonstrate the telephone set telephone number of this machine of calling or show Calls person's digital code on liquid crystal display screen.The receiving circuit of beeper connects command decode, identification circuit.Form several AND circuit by several diodes, the set of one group of AND circuit is set the telephone number of beeper, its purpose must be that the signal that the phone that has the right scheduling power switch to open and close sends just might be controlled power switch, but this is one of under the necessary condition.Remaining two is numerical ciphers with door, one for opening a sluice gate password, one is the barrier gate password, only determine that for relevant the operator of opening and closing time has, when having only two conditions to possess simultaneously, command recognition, decoding circuit just can be exported the adhesive of solid-state relay in the control of Electric potentials electric control cabinet, realize opening or closing of power switch.
The issue of control signal instruction of the present invention can be handled computer with digital signal by the central authorities that circuit is transported to power scheduling department exchange by clock, light-operated microcomputer automatic control system, to notify from a phone call signal by paging centers again and launch in the lump with signal in the digital arteries and veins, act in the control range of paging station with instruction.
The output of beeper of the present invention can connect several orders only not, and decoding circuit is finished the task of the some power switches of open and close that some phones (or higher level) assign.
System of the present invention comprises emitter, receiving system and switch controlling device.Emitter is delivered to power scheduling department exchange computer cpu 2 by instruction sending device 1 with digital pulse signal and is connected paging stations 3 and will notify from a phone call signal and instruct and launch in the lump.Receiving device is to be installed on electric power to twist the beeper of making in the cabinet 4, the output of beeper 4 is connected with the input of operational amplification circuit, the gate circuit of being made up of crystal diode between the input of operational amplification circuit and the output of beeper is done the input identification of address signal and command signal, the output of operational amplifier connects the transistor switching circuit, and the output of transistor switching circuit connects respectively opens a sluice gate relay and barrier gate relay.
The output of beeper of the present invention can be connected with decoding circuit 5 with the command recognition of switch controlling device.Circuit 5 is formed 10 AND circuit by 70 diodes, wherein D1-D56 amounts to 8 AND circuit that 56 diodes form and gathers together, its output is connected with 4 pin (inverting input) of operational amplifier 6, telephone number to 8 figure places is set (the figure place AND circuit number unanimity of telephone number), and the people that decides orders instruction identification.5 pin (in-phase input end) of operational amplifier 6 connect high potential, its output 2 pin are connected operational amplifier 7 respectively, 88 pin (inverting input), 6 pin (inverting input), in-phase input end 9 pin of operational amplifier 7 connect the output that D63-D70 amounts to the gate circuit of 7 diodes compositions, and in-phase input end 7 pin of operational amplifier 8 connect the output that D57-D63 amounts to the gate circuit of 7 diodes compositions.Output 14 pin of operational amplifier 7 connect the base stage of triode BGJ, and the collector electrode of BG1 connects the relay J 1 of turning on light, and output 1 pin of operational amplifier 8 connects the base stage of triode BG2, and the collector electrode of BG2 connects the relay J 2 of turning off the light.
Of the present inventionly open a sluice gate the coil that relay J 1 meets A.C. contactor CJ, the primary coil of transformer B1 connects the power firestreak of three-phase alternating current, and its secondary coil output connects the coil of A.C. contactor CJ through rectification circuit, and the barrier gate relay connects the live wire of three-phase alternating-current supply.The barrier gate relay connects the zero line of power supply.
Operational amplification circuit of the present invention, transistor switching circuit, the power supply of relay is a rechargeable battery, and its charging circuit has the elementary A phase that is connected to three-phase alternating-current supply of AC transformer B2, and the inferior utmost point output of B2 is connected to the two ends of rechargeable battery behind rectification, voltage stabilizing circuit.
The present invention utilizes for example open and close of public's digital signal paging system controlled in wireless power switch of digital information net.Do not need special transmitting station and receive the radio station, identification, decoding circuit are simple in structure, with low cost.Controlled range of the present invention is big, in the shoe lid scope of paging station, has all beepers of setting number and can both receive signal.Simple and convenient, be suitable for, arbitrariness is strong, can directly control to concrete industrial cousumer, needn't adopt large-area power-cuts can play the desired requirement of rationing the power supply in control centre.Antijamming capability is strong, and good confidentiality can be with wired, and wireless, the instruction of optical cable transmission of digital signals load is sent by public system, carries out the open and close of covering scope inner control power switch in system.
The user only needs number position of a digital information network; do not account for frequency (band); simple to operate; need not transform supply line; do not need complicated carrier system promptly can control to the living load (or all on-load switch transformer main switch) of all industrial cousumers in the pipe, with its part electric power or all electric power stop or give.With low cost, control is reliable, accurately in a subtle way, can be vast power consumer and accepts, and guarantees the optimum operation of power system dispatching, not only safety but also energy-conservation.
Fig. 1 is a block diagram of the present invention.
Fig. 2 is command recognition of the present invention, decoding circuit schematic diagram.
Fig. 3 is a main switch control circuit schematic diagram.
Fig. 4 is power circuit principle figure.
Following is embodiments of the invention:
Signal (instruction) issue is connected paging station by sending digital pulse signal to power scheduling department exchange, and signal will be notified from a phone call by paging station and instruction is launched in the lump, acts in paging station's control range.
Be installed on after beeper in the streetlight control box receives the signal of being notified from a phone call, except sounding, also will on liquid crystal display screen, demonstrate the telephone number of calling out this beeper or show Calls person's digital code.
Command recognition, decoding circuit is formed 10 AND circuit by 70 diodes.Wherein 8 AND circuit are set the telephone number of 8 figure places.Two AND circuit are numerical ciphers in addition, determine that for having the right the operator of opening and closing time has, and opening of control system closed respectively.
The main switch control circuit is at the A of three-phase alternating current, B, be connected to the console switch that closes control cubicle on the C three-phase, the contact of the relay J 1 of console switch connects ac contactor coil, the primary coil of transformer B1 presses on the three-phase alternating-current supply live wire, its secondary coil output connects the ac contactor coil two ends after rectification, the tripping relay J2 of console switch is connected between the primary coil of power supply C phase and B1.
Power circuit is a rechargeable battery, and its charging circuit has the elementary A phase that is connected to three-phase alternating-current supply of AC transformer B2, and the inferior utmost point output of B2 is connected to the two ends of rechargeable battery behind rectification, voltage stabilizing circuit.
Power scheduling department such as control centre's computer are according to the load condition analysis of network system.In pipe during excess load, can be by predetermined electricity consumption rank (classification) by level, the height of classification sends command signal (this signal can directly act on the call net) in proper order.After this signal sends, receive this signal simultaneously in the handset of notifying from a phone call net, for example this example is placed in the interior beeper of electric control cabinet according to the order of accepting, and whether the break-make of definite power switch after discerning.
Intrasystem dynamic user can be classified (this classification can be divided into tens kinds) can then can shake the automatic scheduling of prosecutor formula by a number position to the user in managing with different order analysis passwords then.Its handset number can reach hundreds of.Can be arranged to single control, multiple modes such as team control, branch team control no longer adopt the mode of operating a switch can reach the purpose of power scheduling increasing and decreasing load.
Claims (7)
1, a kind of method of power system dispatching, its working method is as follows:
Power scheduling signal and address signal are launched with digital signal by the paging centers of digital information net, receiving system is digital beeper, beeper is loaded on the power consumer electric control cabinet, after receiving the signal of being notified from a phone call, except sounding, also will on liquid crystal display screen, demonstrate the telephone set telephone number of this machine of calling or show Calls person's digital code.The receiving circuit of beeper connects command recognition, decoding circuit, form several AND circuit by several diodes, the set of one group of AND circuit is set the telephone number of beeper, its purpose is it must is that the signal that the phone that has the right scheduling power switch to open and close sends just might be controlled power switch, but this is one of under the necessary condition, remaining two is numerical ciphers with door, one for opening a sluice gate password, and one is the barrier gate password, only has for power scheduling department, when having only two conditions to possess simultaneously, command recognition, decoding circuit just can be exported the adhesive of solid-state relay in the control of Electric potentials electric control cabinet, realize opening or closing power switch.
2, the method for power system dispatching according to claim 1, the issue that it is characterized in that the control signal instruction can be handled computer with digital signal by the central authorities that circuit is transported to power scheduling department exchange by clock, photocontrol microcomputer automatic control system, to notify from a phone call signal by paging centers again and launch in the lump with digital pulse signal, act in the control range of paging station with instruction.
3, the method for power system dispatching according to claim 1 and 2 is characterized in that the output of beeper can be by several command recognition, and decoding circuit is finished the task of the some power switches of open and close that some phones (or higher level) assign.
4, a kind of digital electric power dispatching patcher, it is characterized in that comprising emitter, receiving system and switch controlling device, emitter is delivered to power scheduling department exchange computer cpu (2) by instruction sending device (1) with digital pulse signal and is connected paging station (3) and will notify from a phone call signal and instruct and launch in the lump, receiving device is the beeper (4) that is installed in the power scheduling control cubicle, the output of beeper (4) is connected with the input of operational amplification circuit, the gate circuit of being made up of crystal diode between the input of operational amplification circuit and the output of beeper is done the input identification of address signal and command signal, the output of operational amplifier connects the transistor switching circuit, and the output of transistor switching circuit connects respectively opens a sluice gate relay and barrier gate relay.
5, digital electric power dispatching patcher according to claim 4 is characterized in that the output of beeper can be connected with decoding circuit (5) with the command recognition of switch controlling device.Circuit (5) is formed 10 AND circuit by 70 diodes, wherein its output that gathers together of 8 AND circuit forming of 1-56 diodes is connected with 4 pin (inverting input) of operational amplifier (6), telephone number to 8 figure places is set (the figure place AND circuit number unanimity of telephone number), the people that decides orders instruction identification, 5 pin (in-phase input end) of operational amplifier (6) connect high potential, its output 7 pin connect operational amplifier (7) respectively, (8) 8 pin (inverting input), 6 pin (inverting input), in-phase input end 9 pin of operational amplifier (7) connect the output of the gate circuit of 7 diodes composition, and in-phase input end 7 pin of operational amplifier 8 connect the output of the gate circuit of 7 diodes compositions.Output 14 pin of operational amplifier (7) connect the base stage of triode BG1, and the collector electrode of BG1 connects barrier gate relay J 1, and output 1 pin of operational amplifier (8) connects the base stage of triode BG2, and the collector electrode of BG2 connects barrier gate relay J 2.
6, according to claim 4 or 5 described digital electric power dispatching patchers, the power supply that it is characterized in that operational amplification circuit, transistor switching circuit, relay is a rechargeable battery, its charging circuit has the elementary A phase that is connected to three-phase alternating-current supply of AC transformer B2, the inferior utmost point output of B2 is connected to the two ends of rechargeable battery through rectification behind the voltage stabilizing circuit.
7, digital electric power dispatching patcher according to claim 6, it is characterized in that opening a sluice gate the coil that relay J 1 meets A.C. contactor CJ, the primary coil of transformer B1 connects the power firestreak of three-phase alternating current, its secondary coil output connects the coil of A.C. contactor CJ through rectification circuit, the barrier gate relay connects the live wire of three-phase alternating-current supply, and cut-off relay connects power supply and zero line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97107397 CN1222779A (en) | 1997-03-17 | 1997-03-17 | Electric power system dispatching method and digital power dispatching system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97107397 CN1222779A (en) | 1997-03-17 | 1997-03-17 | Electric power system dispatching method and digital power dispatching system |
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| CN1222779A true CN1222779A (en) | 1999-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 97107397 Pending CN1222779A (en) | 1997-03-17 | 1997-03-17 | Electric power system dispatching method and digital power dispatching system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101714788A (en) * | 2002-05-13 | 2010-05-26 | 捷通国际有限公司 | Contact-less power transfer device and method |
| CN102340178A (en) * | 2010-07-28 | 2012-02-01 | 上海市电力公司 | Data acquisition and monitoring control system for power system |
| CN105137337A (en) * | 2015-08-18 | 2015-12-09 | 安徽立卓智能电网科技有限公司 | Method for determining power failure and power recovery of scheduling system line timely |
-
1997
- 1997-03-17 CN CN 97107397 patent/CN1222779A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101714788A (en) * | 2002-05-13 | 2010-05-26 | 捷通国际有限公司 | Contact-less power transfer device and method |
| CN101714788B (en) * | 2002-05-13 | 2014-07-30 | 捷通国际有限公司 | Contact-less power transfer device and method |
| CN102340178A (en) * | 2010-07-28 | 2012-02-01 | 上海市电力公司 | Data acquisition and monitoring control system for power system |
| CN102340178B (en) * | 2010-07-28 | 2013-08-21 | 上海市电力公司 | Data acquisition and monitoring control system for power system |
| CN105137337A (en) * | 2015-08-18 | 2015-12-09 | 安徽立卓智能电网科技有限公司 | Method for determining power failure and power recovery of scheduling system line timely |
| CN105137337B (en) * | 2015-08-18 | 2018-01-12 | 安徽立卓智能电网科技有限公司 | A kind of method for judging scheduling system line power-off telegram in reply in time |
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