CN2531357Y - Unattended substation malfunction comprehensive early warning apparatus - Google Patents
Unattended substation malfunction comprehensive early warning apparatus Download PDFInfo
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- CN2531357Y CN2531357Y CN 02212920 CN02212920U CN2531357Y CN 2531357 Y CN2531357 Y CN 2531357Y CN 02212920 CN02212920 CN 02212920 CN 02212920 U CN02212920 U CN 02212920U CN 2531357 Y CN2531357 Y CN 2531357Y
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Abstract
The utility model provides an unattended substation accidents comprehensive warning device, consisting of a central treatment module, a signal acquisition module, a control output module and a serial port communication module. The utility model is characterized in that the signal acquisition module comprises a switching value signal acquisition module and an analog signal acquisition module, wherein the switching value signal is inputted to the CPU parallel input port after the photoelectric isolation, to achieve the real-time acquisition and alarm; the analog signal achieves the real-time acquisition by the serial input and output of the analog acquisition chip and the CPU; the control output module achieves the real-time control according to the switching value signal and the analog signal data acquired by the CPU, and the control command is sent out by the CPU, such as the control to the air-conditioner and the ventilation device; the serial port communication module achieves the real-time upload of the data acquired by the CPU by channels such as optical cable or telephone line. The utility model is free of environment restriction, which can monitor the controlled region automatically by the monitoring elements, and produce timely warning indication and the upload data, which has the advantages of accurate measurement and complete monitoring functions.
Description
Technical field
The utility model provides a kind of unattended substation accident comprehensive pre-warning device, belongs to microcomputer automatic monitoring control technology field.
Background technology
At present, China's electric system has only the environmental monitoring of minority emphasis unattended substation to adopt import image monitoring system, and the ruuning situation of substation is watched by this system by the angle of camera on the continuous adjustment The Cloud Terrace.The advantage of this system is that picture is clear, true to nature.Its shortcoming one is a camera price height, and installation quantity is few, and visual range is restricted, and has certain blind area (the accident image supervisory system that for example, takes place in the underground cable ditch can not be observed).Because the accident potential in the blind area is difficult for finding in time and alarm that accident spreads, enlarges because of handling untimely the continuation, just can find when the accident scope has been diffused into out the blind area, often therefore incurs loss through delay and puts out a fire to save life and property opportunity, causes immeasurable economic loss.The 2nd, cost an arm and a leg, general power supply enterprise does not afford to do, can not popularization and application, so the most unattended substation environmental monitorings of China so far still are in blank.
Summary of the invention
The purpose of this utility model provides a kind ofly can overcome above-mentioned defective, function for monitoring is complete, measurement is accurate and the indication and upload the unattended substation accident comprehensive pre-warning device of data of giving in time to report to the police.
Comprise central processing module, signal acquisition module, control output module and serial communication module, it is characterized in that: signal acquisition module comprises switching value signal acquisition module and analog signals acquisition module, its input termination sensor, the input end of output termination central processing module; The transmitting terminal of central processing module serial ports, receiving end correspondence connect the input end and the output terminal of serial communication module, the output termination control output module of central processing module.
Described unattended substation accident comprehensive pre-warning device, central processing module comprises CPU, parallel port load module, parallel port output module, toggle switch, crystal oscillating circuit 1, reset circuit 2, resistor chain IRP
6, resistor chain RP
1With a plurality of connection terminals, 5～8 pin ground connection of toggle switch wherein, its 1～2 pin correspondence meets P07, the P06 of CPU, is used for being provided with communication baud rate; The P of CPU
1The mouth correspondence connects the analog signals acquisition module, and its serial ports transmitting terminal TXD, receiving end RXD correspondence meet the input end and the output terminal of serial communication module, its P
2Mouth is connecting resistance row IRP respectively
6, connect the switching value signal acquisition module, connect each connection terminal through the parallel port load module, its P through the parallel port output module
0Mouth connecting resistance row RP
1
Described unattended substation accident comprehensive pre-warning device; the switching value signal acquisition module comprises multichannel; each road comprises photoisolator and protection diode; wherein the light emitting diode of photoisolator positive pole and protection diode cathode connect the output terminal of sensor; light emitting diode negative pole and protection diode cathode connect negative supply; the triode end collector correspondence of photoisolator connects the parallel input port of parallel port load module, its emission collection ground connection.
Described unattended substation accident comprehensive pre-warning device, the analog signals acquisition module comprises A/D converter and photoisolator U
10～15, wherein the input end correspondence of A/D converter connects the output terminal of each sensor, and its sheet selects end, data input pin, input end of clock, shift enable control input end correspondence to meet photoisolator U
15～12Optocoupler output be triode end collector, photoisolator U
15～12Optocoupler output grounded emitter, its optocoupler input end is that the light emitting diode positive pole connects positive supply, light emitting diode negative pole correspondence meets the P of CPU
1Mouthful, the data output end of A/D converter, relatively state end correspondence meets photoisolator U one by one
10～11The optocoupler input end be the light emitting diode negative pole, photoisolator U
10～11The optocoupler input end be that the light emitting diode positive pole connects positive supply by current-limiting resistance, photoisolator U
10～11Optocoupler output be the P that triode end collector meets CPU
1Mouthful, its grounded emitter.
Described unattended substation accident comprehensive pre-warning device, the control output module comprises photoisolator, triode and relay, wherein the input end of photoisolator is the output terminal that light emitting diode connects the parallel port output module, the output terminal of photoisolator is that transistor emitter connects negative supply, the base stage of its collector connecting transistor, the emitter of triode connects negative supply, its collector connecting relay, and the normally opened contact of relay connects control device.
Described unattended substation accident comprehensive pre-warning device, the serial communication module adopts RS232 and RS485 dual mode, comprise photoisolator, serial port module RS232 and serial port module RS485, serial port module RS232, signal between serial port module RS485 and the CPU is isolated by photoisolator, wherein output of serial port module RS232 band two-way and two-way input, 8 pin and 13 pin are the Transistor-Transistor Logic level input end, be connected to the transmitting terminal TXD of CPU by photoisolator, 7 pin and 14 pin are RS232 level output pin, connect network communication apparatus, 12 pin are the Transistor-Transistor Logic level output terminal, meet the receiving end RXD of CPU by photoisolator, 4 pin of serial port module RS485 are the Transistor-Transistor Logic level input end, are connected to the transmitting terminal TXD of CPU by photoisolator, 6,7 pin are 485 level output pins, connect network communication apparatus.
Described unattended substation accident comprehensive pre-warning device is set up indicating module, comprises some alarm lamps, and correspondence connects the parallel port output terminal of central processing module.
Its principle of work is: according to sensor of different nature being installed on roof, door and window mouth, wall, key equipment side and the accident prone facility that field condition disperses, signals such as the external personnel and the toy of monitoring controlled area automatically by monitoring element enters, temperature, humidity, smog, fire, cable duct water inlet, after the switching value signal is isolated through photoelectricity, be input to the parallel input port of CPU, gather in real time, report to the police; The serial input and output of analog signals between analog acquisition chip and CPU are gathered in real time; The control output module sends control command according to switching value signal and analog data that CPU collects in real time by CPU, controls in real time, as control air-conditioning, ventilation equipment etc.; The serial communication module is gathered the data of coming to CPU and is uploaded in real time by passages such as optical cable, telephone wires, perhaps receives external control command, guarantees the safe operation of unattended substation.
Description of drawings
Fig. 1 is a principle of work block diagram of the present utility model;
Fig. 2 is the circuit diagram of the utility model central processing module;
Fig. 3 is the circuit diagram of the utility model switching value signal acquisition module embodiment;
Fig. 4 is the circuit diagram of the utility model analog signals acquisition module embodiment;
Fig. 5 is the circuit diagram of the utility model control output module embodiment;
Fig. 6 is the circuit diagram of the utility model serial communication module embodiment;
Fig. 7 is the circuit diagram of the utility model indicating module embodiment;
Embodiment
Central processing module comprises CPU, parallel port output module ID
10, parallel port load module ID
8, toggle switch IS
1, crystal oscillating circuit 1, reset circuit 2 and connection terminal IXS
11, connection terminal IXS
12, connection terminal IXS
15, connection terminal IXS
16, resistor chain IRP
6, resistor chain RP
1, toggle switch IS wherein
15～8 pin ground connection, its 1～2 pin correspondence meets the P of CPU
07, P
06, be used to be provided with communication baud rate; The 1st～6 pin correspondence of CPU connects the analog signals acquisition module, and the analog signals acquisition module comprises A/D converter, photoisolator U
10～15And multiple sensor, wherein the output terminal of each road sensor is respectively through connection terminal IXS
5, connection terminal IXS
6, connection terminal IXS
7, connection terminal IXS
8Correspondence connects input end 1～8 pin of A/D converter, converts digital signal to by it, and the sheet of A/D converter selects end, data input pin, input end of clock, shift enable control input end correspondence to meet photoisolator U
15～12The optocoupler output terminal be triode end collector, photoisolator U
12～15Optocoupler output grounded emitter, its optocoupler input end is that the light emitting diode positive pole connects positive supply, its negative pole correspondence meets the P of CPU
1Mouthful the 1st～4 pin, the data output end of A/D converter, relatively state end correspondence meets photoisolator U one by one
10～11The optocoupler input end be the light emitting diode negative pole, photoisolator U
10～11The optocoupler input end be that the light emitting diode positive pole connects positive supply through current-limiting resistance, photoisolator U
10～11Optocoupler output be the P that triode end collector meets CPU
1Mouth the 5th～6 pin, its grounded emitter, the serial input and output of analog signals between A/D converter and CPU are like this gathered in real time, realize the monitoring of analog signals; The 21st～28 pin of CPU is connecting resistance row IRP respectively
62～9 pin, improve the P of CPU
2The carrying load ability of mouth, and through parallel port load module ID
8Correspondence connects each road in the switching value signal acquisition module, through parallel port output module ID
10Meet connection terminal IXS respectively
16, connection terminal IXS
15, connection terminal IXS
11With connection terminal IXS
12, wherein each road comprises sensor, photoisolator Ui and protection diode IDL
iWherein the emission of the triode end of photoisolator Ui collects ground connection; its collector correspondence connects the input end of parallel port load module ID8; the light emitting diode negative pole of photoisolator Ui and protection diode IDLi positive pole connect negative 12V power supply, and its light emitting diode is anodal and protect diode IDLi negative pole through connection terminal IXS
9Correspondence connects the output terminal of sensor, after the switching value signal is isolated through photoelectricity like this, is input to the parallel input port of CPU, after CPU receives monitor signal, through parallel port output module ID
10Reach corresponding connection terminal and connect the control output module, and connect indicating module through connection terminal IXS15, realize gathering in real time, reporting to the police, indicating module comprises alarm lamp 5L among the embodiment
1～7, corresponding through connection terminal 5XS
1Meet connection terminal 1XS
15The control output module comprises photoisolator U
1～2, triode 3Q
1, triode 3Q
2And relay J
1, relay J
2, photoisolator U wherein
1The light emitting diode positive pole meet parallel port output module ID
1019 pin, its light emitting diode minus earth, photoisolator U
2The light emitting diode negative pole meet parallel port output module ID
1018 pin, its light emitting diode positive pole connects positive supply, photoisolator U
1～2Triode end emitter connect negative 12V power supply respectively, its collector connects positive 12V power supply respectively, and correspondence meets triode 3Q
1, triode 3Q
2Base stage, triode 3Q
1, triode 3Q
2Emitter connect negative supply, its collector correspondence is succeeded electrical equipment J
1, relay J
2, relay J
1, relay J
2Normally opened contact through connection terminal 3XS
3Connect control device, control output module like this, send control command, control in real time, as control air-conditioning, ventilation equipment etc. by CPU according to switching value signal and analog data that central processing module collects in real time; The 32nd～39 pin connecting resistance row RP of CPU
1, the P of raising CPU
0The carrying load ability of mouth; The serial communication module comprises photoisolator U
18～19, 2 serial port module RS232 and 1 serial port module RS485, wherein the signal between serial port module RS232, serial port module RS485 and the CPU is by photoisolator U
18～19Isolate, wherein output of serial port module RS232 band two-way and two-way input, 8 pin and 13 pin are the Transistor-Transistor Logic level input end, be connected to the transmitting terminal TXD of CPU by photoisolator, 7 pin and 14 pin are RS232 level output pin, connect network communication apparatus, 12 pin are the Transistor-Transistor Logic level output terminal, meet the receiving end RXD of CPU by photoisolator; 4 pin of serial port module RS485 are the Transistor-Transistor Logic level input end, be connected to the transmitting terminal TXD of CPU by photoisolator, 6,7 pin are 485 level output pins, and the output terminal of the level input termination photoisolator of serial port module RS232 and serial port module RS485 connects network communication apparatus; 18～19 pin of CPU connect crystal oscillating circuit 1, the 9 pin and connect reset circuit 2.
The course of work is: signals such as external personnel and the toy that signal transducer is monitored controlled area automatically enters, temperature, humidity, and output to CPU, by CPU control alarm indication, connect the control corresponding device action, as air-conditioning, exhaust equipment etc., simultaneously alert data is uploaded.With the signal transducer of being admitted to hospital is example, when sensor monitors when being admitted to hospital signal, the light emitting diode conducting of photoisolator U1, photoisolator U
1Triode end collector and triode emission collection between conducting, through parallel port load module ID
8Outputing to the CPU signal of being admitted to hospital is low level, after CPU receives abnormal signal, through parallel port output module ID
10Connect indicating module, simultaneously data are uploaded by serial communication module RS232 or RS485.
The effect of serial communication module is both can upload data, can receive the order of total activation again.
Claims (7)
1, a kind of unattended substation accident comprehensive pre-warning device, comprise central processing module, signal acquisition module, control output module and serial communication module, it is characterized in that: signal acquisition module comprises switching value signal acquisition module and analog signals acquisition module, its input termination sensor, the input end of output termination central processing module; The transmitting terminal of central processing module serial ports, receiving end correspondence connect the input end and the output terminal of serial communication module, the output termination control output module of central processing module.
2, unattended substation accident comprehensive pre-warning device as claimed in claim 1, it is characterized in that: central processing module comprises CPU, parallel port load module, parallel port output module, toggle switch, crystal oscillating circuit 1, reset circuit 2, resistor chain IRP
6, resistor chain RP
1With a plurality of connection terminals, 5～8 pin ground connection of toggle switch wherein, its 1～2 pin correspondence meets the P of CPU
07, P
06, be used for being provided with communication baud rate; The P of CPU
1The mouth correspondence connects the analog signals acquisition module, and its serial ports transmitting terminal TXD, receiving end RXD correspondence meet the input end and the output terminal of serial communication module, its P
2Mouth is connecting resistance row IRP respectively
6, connect the switching value signal acquisition module, connect each connection terminal through the parallel port load module, its P through the parallel port output module
0Mouth connecting resistance row RP
1
3, as claim 1,2 described unattended substation accident comprehensive pre-warning devices; it is characterized in that: the switching value signal acquisition module comprises multichannel; each road comprises photoisolator and protection diode; wherein the light emitting diode of photoisolator positive pole and protection diode cathode connect the output terminal of sensor; light emitting diode negative pole and protection diode cathode connect negative supply; the triode end collector correspondence of photoisolator connects the parallel input port of parallel port load module, its emission collection ground connection.
4, as claim 1,2 described unattended substation accident comprehensive pre-warning devices, it is characterized in that: the analog signals acquisition module comprises A/D converter and photoisolator U
10～15, wherein the input end correspondence of A/D converter connects the output terminal of each sensor, and its sheet selects end, data input pin, input end of clock, shift enable control input end correspondence to meet photoisolator U
15～12Optocoupler output be triode end collector, photoisolator U
15～12Optocoupler output grounded emitter, its optocoupler input end is that the light emitting diode positive pole connects positive supply, light emitting diode negative pole correspondence meets the P of CPU
1Mouthful, the data output end of A/D converter, relatively state end correspondence meets photoisolator U one by one
10～11The optocoupler input end be the light emitting diode negative pole, photoisolator U
10～11The optocoupler input end be that the light emitting diode positive pole connects positive supply by current-limiting resistance, photoisolator U
10～11Optocoupler output be the P that triode end collector meets CPU
1Mouthful, its grounded emitter.
5, as claim 1,2 described unattended substation accident comprehensive pre-warning devices, it is characterized in that: the control output module comprises photoisolator, triode and relay, wherein the input end of photoisolator is the output terminal that light emitting diode connects the parallel port output module, the output terminal of photoisolator is that transistor emitter connects negative supply, the base stage of its collector connecting transistor, the emitter of triode connects negative supply, its collector connecting relay, and the normally opened contact of relay connects control device.
6, as claim 1,2 described unattended substation accident comprehensive pre-warning devices, it is characterized in that: the serial communication module adopts RS232 and RS485 dual mode, comprise photoisolator, serial port module RS232 and serial port module RS485, serial port module RS232, signal between serial port module RS485 and the CPU is isolated by photoisolator, wherein output of serial port module RS232 band two-way and two-way input, 8 pin and 13 pin are the Transistor-Transistor Logic level input end, be connected to the transmitting terminal TXD of CPU by photoisolator, 7 pin and 14 pin are RS232 level output pin, connect network communication apparatus, 12 pin are the Transistor-Transistor Logic level output terminal, meet the receiving end RXD of CPU by photoisolator, 4 pin of serial port module RS485 are the Transistor-Transistor Logic level input end, be connected to the transmitting terminal TXD of CPU by photoisolator, 6,7 pin are 485 level output pins, connect network communication apparatus.
7, unattended substation accident comprehensive pre-warning device as claimed in claim 1, it is characterized in that: set up indicating module, comprise some alarm lamps, correspondence connects the parallel port output terminal of central processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02212920 CN2531357Y (en) | 2002-02-09 | 2002-02-09 | Unattended substation malfunction comprehensive early warning apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02212920 CN2531357Y (en) | 2002-02-09 | 2002-02-09 | Unattended substation malfunction comprehensive early warning apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2531357Y true CN2531357Y (en) | 2003-01-15 |
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ID=33692519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02212920 Expired - Fee Related CN2531357Y (en) | 2002-02-09 | 2002-02-09 | Unattended substation malfunction comprehensive early warning apparatus |
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|---|---|
| CN (1) | CN2531357Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101174759B (en) * | 2007-11-15 | 2011-05-25 | 杭州大有科技发展有限公司 | Integrated monitoring apparatus for electrical power distribution |
| CN101684962B (en) * | 2008-09-24 | 2012-01-11 | 上海南区节电科技开发有限公司 | Air conditioning ventilation automatic control system and method for single-brand air conditioner of transformer substation |
| CN104269921A (en) * | 2014-08-26 | 2015-01-07 | 国家电网公司 | Failure tripping sound-light alarm device of substation |
| CN104966386A (en) * | 2015-06-02 | 2015-10-07 | 国家电网公司 | Portable plant station accident linkage alarm system |
| CN105182838A (en) * | 2015-07-11 | 2015-12-23 | 安徽继远电网技术有限责任公司 | Intelligent terminal processing circuit suitable for building intelligence |
| CN107436161A (en) * | 2016-05-27 | 2017-12-05 | 四方特变电工智能电气有限公司 | Transformer information remote transmitting data acquisition device |
-
2002
- 2002-02-09 CN CN 02212920 patent/CN2531357Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101174759B (en) * | 2007-11-15 | 2011-05-25 | 杭州大有科技发展有限公司 | Integrated monitoring apparatus for electrical power distribution |
| CN101684962B (en) * | 2008-09-24 | 2012-01-11 | 上海南区节电科技开发有限公司 | Air conditioning ventilation automatic control system and method for single-brand air conditioner of transformer substation |
| CN104269921A (en) * | 2014-08-26 | 2015-01-07 | 国家电网公司 | Failure tripping sound-light alarm device of substation |
| CN104966386A (en) * | 2015-06-02 | 2015-10-07 | 国家电网公司 | Portable plant station accident linkage alarm system |
| CN105182838A (en) * | 2015-07-11 | 2015-12-23 | 安徽继远电网技术有限责任公司 | Intelligent terminal processing circuit suitable for building intelligence |
| CN107436161A (en) * | 2016-05-27 | 2017-12-05 | 四方特变电工智能电气有限公司 | Transformer information remote transmitting data acquisition device |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |