CN103501046A - On-line anti-misoperation voice alarm system based on transformer substation measuring and control device - Google Patents

On-line anti-misoperation voice alarm system based on transformer substation measuring and control device Download PDF

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Publication number
CN103501046A
CN103501046A CN201310423228.7A CN201310423228A CN103501046A CN 103501046 A CN103501046 A CN 103501046A CN 201310423228 A CN201310423228 A CN 201310423228A CN 103501046 A CN103501046 A CN 103501046A
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China
Prior art keywords
control
misoperation
input
monitoring
switching value
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Pending
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CN201310423228.7A
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Chinese (zh)
Inventor
高建伟
田成凤
冀慧强
郭浩
赵北涛
方琼
崔建宇
刘美静
陈晓旭
宫俊
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State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
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Priority to CN201310423228.7A priority Critical patent/CN103501046A/en
Publication of CN103501046A publication Critical patent/CN103501046A/en
Pending legal-status Critical Current

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Abstract

An on-line anti-misoperation voice alarm system based on a transformer substation measuring and control device comprises a monitoring module, a communication module and an alarm module, wherein the monitoring module, the communication module and the alarm module are mutually connected. The monitoring module comprises a monitoring controller, a memorizer, a man-machine interface, a monitoring backstage, an A/D converter, an analog input circuit, an on-off input, an on-off input circuit, a remote controller, a remote control relay, a lock-up controller, a lock-up relay, lock-up nodes, an on-off sensor and an on-off processor. The monitoring controller is composed of DSP chips and is respectively connected with the memorizer, the man-machine interface, the A/D converter, the on-off input, the remote controller and the lock-up controller and connected with the communication module. The on-line anti-misoperation voice alarm system based on the transformer substation measuring and control device has an on-line anti-misoperation lock-up function and can carry out voice prompt, therefore, reliable and accurate information can be provided for operators and maintainers, and smooth and safe operation of anti-misoperation work can be guaranteed.

Description

A kind of online anti-misoperation phonetic warning system based on transformer station measurement and control device
Technical field
The invention belongs to high voltage power transmission and transforming control technology field, particularly relate to a kind of online anti-misoperation phonetic warning system based on transformer station measurement and control device.
Background technology
The effect of anti-misoperation apparatus is to prevent misoperation, reach and prevent mistake drawing circuit breaker, prevent on-load drawing disconnecting link, prevent switching on earth wire, prevent live ground wiring, prevent from being strayed into the five anti-requirements at electric interval, it is the important content of power transformation operation management.Transformer station's anti-misoperation locking mode commonly used has mechanical latching, electric loop locking, computer anti-misoperation and lockout at present, monitors five anti-integrated closedown modes etc.
Mechanical latching is realized the control to logic by exchange and the mechanical latching between mechanism rod of key, without any wiring connection and electrical node, all to realize anti-misoperation locking by mechanical connection, can only in integrated isolating switch, operate and ground cutter between or in voltage switchgear, realize, can not realize the locking between equipment arranged apart.
Electric error blocking proof circuit is a kind of on-the-spot electrical interlock technology, and mainly the auxiliary node by relevant device connects to realize locking.This is the most basic form of electric blocking, and locking is reliable.But this mode need to access a large amount of secondary cables, the mode of connection is comparatively complicated, and operation maintenance is difficulty comparatively.
Microcomputer anti-error operating system does not generally directly adopt the auxiliary node of field apparatus, but need to be connected by the wiring of system itself, by anti-misoperation system microcomputer software rule base and on-the-spot lockset, realizes anti-misoperation locking.
Wherein error proof locking system of microcomputer is applied comparatively extensively in electric power system, and error proof locking system of microcomputer mainly is comprised of three parts: anti-error main frame, computer key and on-the-spot lockset.But error proof locking system of microcomputer can not be obtained the field apparatus positional information in real time, can't prevent " walking dummy routine ", the mode of operation switching is too frequent, has increased the burden of operation and maintenance, has certain handling safety hidden danger.Chinese patent ZL200810023823.0 discloses a kind of technology that realizes transformer station's anti mis-closedown function in transformer station measurement and control device, this invention utilizes the real time information of full transformer station to realize the anti mis-closedown function of straighforward operation in transformer station's wall measure and control device, realize all straighforward operations and local manually operated anti-misoperation locking logic judgement, anti-error protection is comprehensive; Realized anti mis-closedown function and the sequential control function technology of local manual KK handle operation, but anti mis-closedown function of the present invention can not canbe used on line.
Chinese patent ZL200920256302.X discloses a kind of online anti-misoperation locking device, this device is series connection access monitoring anti-misoperation locking node and observing and controlling anti-misoperation locking node in the control loop of equipment, monitoring anti-misoperation locking node is by the monitoring Background control, observing and controlling anti-misoperation locking node is controlled separately by measure and control device, so just realized the anti-misoperation locking of real-time online, make transformer station anti-error more complete and reliable, but this novel anti mis-closedown function is in the outside realization of measure and control device, increase like this quantity of equipment, affected the operating efficiency of transformer station.
There is following defect in the online anti-misoperation locking device of above-mentioned transformer station simultaneously, can not provide exactly information, causes operating personnel to go to the wrong way interval, and maintainer's mistake is climbed charging equipment and major accident is occurred.
Generally speaking, need at present the urgent technical problem solved of those skilled in the art to be: how in measure and control device, to realize online anti mis-closedown function, simultaneously can voice suggestion, for operating personnel and maintainer provide reliably information accurately, guarantee the carrying out of anti-error everything goes well with your work safety.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of online anti-misoperation phonetic warning system based on transformer station measurement and control device.
In order to achieve the above object, the online anti-misoperation phonetic warning system based on transformer station measurement and control device provided by the invention comprises: comprise monitoring modular, communication module and alarm module;
Monitoring modular comprises: monitor controller, memory, man-machine interface, monitoring backstage, A/D conversion, simulated measurement input circuit, switching value input, switching value input circuit, remote control control, banked relay, lock-in control, blocking relay, locking node, Boolean value output sensor and switching value processor; Wherein: monitor controller consists of the DSP numerical processor chip, is connected, and is connected with communication module with memory, man-machine interface, A/D conversion, switching value input, remote control control, lock-in control respectively;
Man-machine interface is man-machine mutual interface, and it is connected with the monitoring backstage;
The monitoring backstage is connected with the switching value processor, and it is mainly used in monitoring the locking situation of transformer station;
A/D is converted to analog to digital converter, and it is connected with simulated measurement input circuit;
Simulated measurement input circuit is analog signal input shaper filter circuit, and its input is for receiving the of ac input signal;
Switching value is input as the switching value signal acquisition circuit, and it is connected with switching value input circuit;
Switching value input circuit is switching signal input shaper filter circuit, and its input is for receiving key amount input signal;
Remote control is controlled as the banked relay drive circuit, and it is connected with banked relay;
Lock-in control is the blocking relay drive circuit, and it is connected with blocking relay;
Boolean value output sensor is switch state detector, and it is connected with the switching value processor;
The switching value processor is the switching signal Acquisition Circuit, and it is connected with the monitoring backstage, for gather the status signal of locking node by Boolean value output sensor, and sends the monitoring backstage to;
Communication module is communication control module, and it is connected with monitor controller, for communicating with other monitoring device;
Alarm module is phonetic alarm device, and it is connected with the monitoring backstage, for exporting the audio alert signal.
Described alarm module consists of speech chip, amplifying circuit and loud speaker.
Described speech chip adopts WTV170; Amplifying circuit between speech chip and loud speaker adopts LM3886.
Inside, described monitoring backstage is provided with a single-pole double-throw switch (SPDT), for selecting the voice suggestion content of alarm signal.
The AD7658 chip is used in described A/D conversion.
Described Boolean value output sensor adopts electric current inductive switch FCS003.
Described memory be erasable, for storing the nonvolatile storage of anti-misoperation locking information.
Online anti-misoperation phonetic warning system based on transformer station measurement and control device provided by the invention has online anti mis-closedown function, energy voice suggestion simultaneously, thereby can provide reliably information accurately for operating personnel and maintainer, to guarantee the carrying out of anti-error everything goes well with your work safety.
The accompanying drawing explanation
The structural representation that Fig. 1 is the online anti-misoperation phonetic warning system based on transformer station measurement and control device provided by the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the online anti-misoperation phonetic warning system based on transformer station measurement and control device provided by the invention is elaborated.
As shown in Figure 1, the online anti-misoperation phonetic warning system based on transformer station measurement and control device provided by the invention comprises monitoring modular 1, communication module 2 and alarm module 3;
Monitoring modular 1 comprises: monitor controller 101, memory 102, man-machine interface 103, monitoring backstage 104, A/D conversion 105, simulated measurement input circuit 106, switching value input 107, switching value input circuit 108, remote control control 109, banked relay 110, lock-in control 111, blocking relay 112, locking node 113, Boolean value output sensor 114 and switching value processor 115; Wherein: the control core that monitor controller 101 is this device, it consists of the DSP numerical processor chip, be connected, and be connected with communication module 2 with memory 102, man-machine interface 103, A/D conversion 105, switching value input 107, remote control control 109, lock-in control 111 respectively;
Memory 102 is memory chip, is used to monitor controller 101 that memory space is provided;
Man-machine interface 103 is man-machine mutual interface, and the user assigns various instructions and understands various information by man-machine interface 103, and it is connected with monitoring backstage 104;
Monitoring backstage 104 is connected with switching value processor 115, and it is mainly used in monitoring the locking situation of transformer station;
A/D changes 105 into analog to digital converter, and it is connected with simulated measurement input circuit 106;
Simulated measurement input circuit 106 is analog signal input shaper filter circuit, and its input is for receiving the of ac input signal;
Switching value input 107 is the switching value signal acquisition circuit, and it is connected with switching value input circuit 108;
Switching value input circuit 108 is switching signal input shaper filter circuit, and its input is for receiving key amount input signal;
It is the banked relay drive circuit that remote control controls 109, and it is connected with banked relay 110;
Banked relay 110 is the remote control actions output relay, and it,, by remote control node output remote control actions, when locking occurs in transformer station, controls its break-make;
Lock-in control 111 is the blocking relay drive circuit, and it is connected with blocking relay 112;
The anti-misoperation locking actuating relay that blocking relay 112 is this device, it is by locking node 113 output block actions;
The anti-misoperation locking node that locking node 113 is blocking relay 112, when locking node 113 is closed, be subject to the power equipment of its control can normal running, when locking node 113 disconnects, will be blocked by the power equipment of its control, can't operate;
Boolean value output sensor 114 is switch state detector, and it is connected with switching value processor 115;
Switching value processor 115 is the switching signal Acquisition Circuit, and it is connected with monitoring backstage 104, for by Boolean value output sensor 114, gathering the status signal of locking node 113, and sends monitoring backstage 104 to.
Communication module 2 is communication control module, and it is connected with monitoring module 1, for communicating with other monitoring device;
Alarm module 3 is phonetic alarm device, and it is connected with monitoring backstage 104, for exporting the audio alert signal.
Described alarm module 3 consists of speech chip, amplifying circuit and loud speaker.
Described measure and control device adopts advanced industrial field bus CAN to communicate, and between the measure and control device of different interval layer, adopts modbus communication protocol to carry out information sharing, and increases and improve the transmission reliability agreement in application layer.
Described measure and control device utilizes the status signal of field apparatus and electric parameters to carry out the anti-misoperation judgement.
Described measure and control device ceaselessly carries out the collection of of ac and quantity of state, after the signal detected changes, sends change information by industrial bus to relevant apparatus at once, relevant apparatus is upgraded in time information that anti-misoperation judgement needs.
Described of ac is sent to A/D conversion 105 through isolated variable, filtering after driving processing, then arrive monitor controller 101; Described quantity of state is processed the input as switching value through light-coupled isolation and is sent to controller 101;
Described remote control amount is controlled by banked relay 110 outputs by monitor controller 101; Described distant control function is usually used in the splitting or integrating of circuit breaker and capacitor and other can adopt the occasion of Control.
Described monitor controller 101 carries out anti-false judgment according to the semaphore of equipment state, carries out lock-in control, controls the folding of locking node 113 through blocking relay 112, and described locking node 113 sends signal to Boolean value output sensor 114;
The output signal of described Boolean value output sensor 114 is sent to monitoring backstage 104 after switching value processor 115 is processed,
104 inside, described monitoring backstage are provided with a single-pole double-throw switch (SPDT) for selecting the voice suggestion content of alarm signal.
The AD7658 chip has been used in described A/D conversion 105, and AD7658 is that ADI company manufactures, and high integration, six passage 16-bit successively approach (SAR) type ADC, include a 2.5V reference voltage source and reference buffer.There are the characteristics such as low in energy consumption, that conversion speed is fast; AD7658 has six ALT-CH alternate channels and is divided into three group of two passage, can by the VA/VB/VC field of ONVST-A/B/C pin control register control concrete use which to the AD ALT-CH alternate channel, the reading out data number of times will be according to the number of channels setting of AD conversion.
Described Boolean value output sensor 114 adopts electric current inductive switch FCS003; Switch connection when input 1-50A, hysteresis<1%, working temperature-30 are to+70 ℃. working relative humidity 0-95% frozen-free, default 1Amps, self-extinguishing ABS (Cycolac94V-0), height x width x thickness 70x89x28mm, switch rating 240VAC@2.5Amps, maximum leakage current<1mA, 1-50Amps is continuous for punching AC electric current.
Described speech chip adopts WTV170, and sample frequency is 6KHZ.The WTV speech chip is a powerful one-off programming speech chip, and when voice are the 6K sample frequency, memory length can reach respectively 20 seconds, 40 seconds, 80 seconds, 170 seconds, 340 seconds, and audio frequency is output as PWM or DAC pattern.Optional control mode has button control model, key combination control model, parallel port control model, serial ports control model etc.The triggering mode of button control model is flexible; Can control volume under the serial ports pattern, open or close power amplifier, loop play and hold function are arranged, operation interface is simple, easily operation, multiple functional, take full advantage of the resource of chip internal, can greatly shorten the fabrication cycle of chip, there is the plurality of cells circuit, and extremely strong programmability is arranged, except playing voice.
Amplifying circuit between described speech chip and loud speaker adopts LM3886, its power output is larger, the maximum continuous undistorted average power that can reach 68W under rated operational voltage, there is equally fairly perfect overvoltage, overcurrent and superheat defencive function, the function of the rush of current while thering are automatic anti-switching on and shutting down, make loud speaker can safety work, its characteristics have: power output is large, the distortion factor is little, defencive function (comprises overvoltage protection, overtemperature protection, current limit, temperature limiting, loud speaker surge protection during Switching Power Supply, the noise elimination function) complete, peripheral cell is few, make debugging easily, working stability is reliable, LM3886TF is at VCC=VEE=28V, can reach the consecutive mean power of 68W during 4 Europe load, at VCC=VEE=35V, can reach the average power of 50W during 8 Europe load.Having wider supply voltage scope VCC+VEE is 20V-94V; Total harmonic distortion+noise: 60W20Hz<F; Switching rate (SLEW RATE): value when VIN=2.0VP-P, tRISE=2ns is 19V/us, total quiescent current: 50mA input bias current: 0.2uA gain band width product: 8MHZ.
Described memory 102 for erasable, for storing the DSP memory of anti-misoperation locking information.
The course of work of the online anti-misoperation phonetic warning system based on transformer station measurement and control device provided by the invention: measure and control device judges locking according to equipment state amount and electric parameters, if normal running, the monitoring backstage is carried out simulated operation according to the practical operation rule to the sequence of operation, after all operations were is simulated successfully, the monitoring backstage is by the closed monitoring of measure and control device anti-misoperation locking node, equipment can be worked, now, Boolean value output sensor detects signal, through the switching value signal processor, single-pole double-throw switch (SPDT) is pulled to a side, attention device sends interval of living in title, the numbering voice suggestion, in case operating personnel go to the wrong way interval, if can't successfully carry out simulated operation, monitor the anti-misoperation locking node not closed, equipment can't operate, and now single-pole double-throw switch (SPDT) is pulled to opposite side, and attention device sends the voice suggestion of " equipment live please don't be climbed ".
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.

Claims (7)

1. the online anti-misoperation phonetic warning system based on transformer station measurement and control device, it is characterized in that: it comprises: comprise monitoring modular (1), communication module (2) and alarm module (3);
Monitoring modular (1) comprising: (109), banked relay (110), lock-in control (111), blocking relay (112), locking node (113), Boolean value output sensor (114) and switching value processor (115) are controlled in monitor controller (101), memory (102), man-machine interface (103), monitoring backstage (104), A/D conversion (105), simulated measurement input circuit (106), switching value input (107), switching value input circuit (108), remote control; Wherein: monitor controller (101) consists of the DSP numerical processor chip, be connected, and be connected with communication module (2) with memory (102), man-machine interface (103), A/D conversion (105), switching value input (107), remote control control (109), lock-in control (111) respectively;
Man-machine interface (103) is man-machine mutual interface, and it is connected with monitoring backstage (104);
Monitoring backstage (104) is connected with switching value processor (115), and it is mainly used in monitoring the locking situation of transformer station;
A/D changes (105) into analog to digital converter, and it is connected with simulated measurement input circuit (106);
Simulated measurement input circuit (106) is analog signal input shaper filter circuit, and its input is for receiving the of ac input signal;
Switching value input (107) is the switching value signal acquisition circuit, and it is connected with switching value input circuit (108);
Switching value input circuit (108) is switching signal input shaper filter circuit, and its input is for receiving key amount input signal;
(109) are controlled in remote control is the banked relay drive circuit, and it is connected with banked relay (110);
Lock-in control (111) is the blocking relay drive circuit, and it is connected with blocking relay (112);
Boolean value output sensor (114) is switch state detector, and it is connected with switching value processor 115;
Switching value processor (115) is the switching signal Acquisition Circuit, and it is connected with monitoring backstage (104), for gather the status signal of locking node (113) by Boolean value output sensor (114), and sends monitoring backstage (104) to;
Communication module (2) is communication control module, and it is connected with monitor controller (101), for communicating with other monitoring device;
Alarm module (3) is phonetic alarm device, and it is connected with monitoring backstage (104), for exporting the audio alert signal.
2. the online anti-misoperation phonetic warning system based on transformer station measurement and control device according to claim 1, it is characterized in that: described alarm module (3) consists of speech chip, amplifying circuit and loud speaker.
3. the online anti-misoperation phonetic warning system based on transformer station measurement and control device according to claim 2, is characterized in that: described speech chip employing WTV170; Amplifying circuit between speech chip and loud speaker adopts LM3886.
4. the online anti-misoperation phonetic warning system based on transformer station measurement and control device according to claim 1, it is characterized in that: inside, described monitoring backstage (104) is provided with a single-pole double-throw switch (SPDT), for selecting the voice suggestion content of alarm signal.
5. the online anti-misoperation phonetic warning system based on transformer station measurement and control device according to claim 1, is characterized in that: described A/D conversion (105) use AD7658 chip.
6. the online anti-misoperation phonetic warning system based on transformer station measurement and control device according to claim 1, is characterized in that: described Boolean value output sensor (114) employing electric current inductive switch FCS003.
7. the online anti-misoperation phonetic warning system based on transformer station measurement and control device according to claim 1 is characterized in that: described memory (102) for erasable, for storing the nonvolatile storage of anti-misoperation locking information.
CN201310423228.7A 2013-09-17 2013-09-17 On-line anti-misoperation voice alarm system based on transformer substation measuring and control device Pending CN103501046A (en)

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Cited By (9)

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Publication number Priority date Publication date Assignee Title
CN103795148A (en) * 2014-02-27 2014-05-14 国家电网公司 Method for achieving misoperation-preventive locking in remote dispatch and remote operation
CN104504836A (en) * 2015-01-09 2015-04-08 广州市泰昌实业有限公司 Data information collecting device and method for natural gas fire alarm system
CN104524730A (en) * 2015-01-09 2015-04-22 广州市泰昌实业有限公司 Data information transmission method and device for fire extinguishing system
CN105069968A (en) * 2015-07-28 2015-11-18 国网上海市电力公司 Electricity-approaching alarm drum
CN105958649A (en) * 2016-06-16 2016-09-21 江苏电科电气设备有限公司 Intelligent five-prevention closedown system of medium-voltage loop network switchgear
CN107509289A (en) * 2017-08-18 2017-12-22 国网山东省电力公司淄博供电公司 Anti-maloperation for Substation interval warning light and application method based on wireless network
CN111754734A (en) * 2020-05-22 2020-10-09 金鑫 Intelligent alarm device for electric switch
CN111817439A (en) * 2020-07-06 2020-10-23 唐山昌宏科技有限公司 Management and control device for power supply anti-misoperation system and power supply system
CN113130230A (en) * 2021-04-16 2021-07-16 江苏胜太电力系统有限公司 Electrical equipment safety intelligent terminal device

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CN201199639Y (en) * 2008-04-17 2009-02-25 国电南瑞科技股份有限公司 Test control apparatus for transforming plant capable of implementing anti-error closedown function
CN101834471A (en) * 2010-05-25 2010-09-15 广东电网公司珠海供电局 Transformer substation dynamic anti-maloperation locking system realized on basis of integrated online five-prevention
CN103296756A (en) * 2013-05-13 2013-09-11 蔡夏莲 Managing and monitoring system for transformer substation

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CN101257224A (en) * 2008-04-17 2008-09-03 国电南瑞科技股份有限公司 Technique for realizing transforming plant anti mis-closedown function in transforming plant observe and control apparatus
CN201199639Y (en) * 2008-04-17 2009-02-25 国电南瑞科技股份有限公司 Test control apparatus for transforming plant capable of implementing anti-error closedown function
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103795148A (en) * 2014-02-27 2014-05-14 国家电网公司 Method for achieving misoperation-preventive locking in remote dispatch and remote operation
CN104504836A (en) * 2015-01-09 2015-04-08 广州市泰昌实业有限公司 Data information collecting device and method for natural gas fire alarm system
CN104524730A (en) * 2015-01-09 2015-04-22 广州市泰昌实业有限公司 Data information transmission method and device for fire extinguishing system
CN105069968A (en) * 2015-07-28 2015-11-18 国网上海市电力公司 Electricity-approaching alarm drum
CN105069968B (en) * 2015-07-28 2017-12-19 国网上海市电力公司 A kind of nearly electric alarm cylinder
CN105958649A (en) * 2016-06-16 2016-09-21 江苏电科电气设备有限公司 Intelligent five-prevention closedown system of medium-voltage loop network switchgear
CN107509289A (en) * 2017-08-18 2017-12-22 国网山东省电力公司淄博供电公司 Anti-maloperation for Substation interval warning light and application method based on wireless network
CN111754734A (en) * 2020-05-22 2020-10-09 金鑫 Intelligent alarm device for electric switch
CN111754734B (en) * 2020-05-22 2022-05-31 金鑫 Intelligent alarm device for electric switch
CN111817439A (en) * 2020-07-06 2020-10-23 唐山昌宏科技有限公司 Management and control device for power supply anti-misoperation system and power supply system
CN113130230A (en) * 2021-04-16 2021-07-16 江苏胜太电力系统有限公司 Electrical equipment safety intelligent terminal device

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Application publication date: 20140108