CN203259188U - Vacuum section switch fault pre-warning system for urban and rural power supply line - Google Patents
Vacuum section switch fault pre-warning system for urban and rural power supply line Download PDFInfo
- Publication number
- CN203259188U CN203259188U CN 201320157540 CN201320157540U CN203259188U CN 203259188 U CN203259188 U CN 203259188U CN 201320157540 CN201320157540 CN 201320157540 CN 201320157540 U CN201320157540 U CN 201320157540U CN 203259188 U CN203259188 U CN 203259188U
- Authority
- CN
- China
- Prior art keywords
- module
- fault pre
- fault
- signal
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a vacuum section switch fault pre-warning system for an urban and rural power supply line. The vacuum section switch fault pre-warning system for the urban and rural power supply line comprises state acquisition modules of vacuum section switches, fault pre-warning terminal devices, a GSM mobile communication network and a monitoring master station which manages the plurality of fault pre-warning terminal devices in a remote mode. The state acquisition module of each section switch comprises a three-phase current mutual inductor, a humidity sensor, sonic sensors and a switch on-off state signal transducer. Each fault pre-warning terminal device comprises a signal conditioning circuit, an A/D data acquisition module, a control chip, a communication module, a display module, a keyboard module, a power supply module, a clock module and an alarming module. The monitoring master station comprises a built-in GSM wireless communication module short message receiving terminal device, a serial port communication line, an industrial computer server and a fault display device, wherein the industrial computer server is connected with the built-in GSM wireless communication module short message receiving terminal device through the serial port communication line, and the fault display device is connected with the industrial computer server. The vacuum section switch fault pre-warning system for the urban and rural power supply line can solve the fault pre-warming problem of the vacuum section switch of the power supply line, and power supply reliability is improved.
Description
Technical field
The utility model relates to a kind of fault pre-alarming problem that can solve supply line's segmentation vacuum switch, improves the town and country supply line vacuum block switch fault early warning system based on the GSM network of power supply reliability.
Background technology
Along with the fast development of national economy, structure and the layout of rural power grids are increasingly sophisticated, and power consumption constantly increases, and require also more and more higher to power supply reliability and power supply quality.In order to improve urban and rural power grids reliability of operation and security, need on transmission line of electricity, at a certain distance, install a set segmented switch.In case break down, can staged isolation, be convenient to find as early as possible fault, overhaul.Can reduce power off time like this, dwindle power failure range, improve power supply reliability.
At present, the block switch of having used than multiple types in China's urban and rural power grids is made of vacuum circuit breaker, and its effect is better.But because this switch operates in the open air, be subject to that wind blows, Exposure to Sunlight, drench with rain, the impact of the rugged surroundings such as pollution, following fault often occurs: (1) arc-chutes vacuum tightness descends.If can not in time find, when cut-offfing large short-circuit current, just might cause the vacuum interrupter blast, cause isolating switch integral body to burst.(2) because the box sealing performance descends, box house condensation or water inlet, pollution etc. cause box house ground conductor discharge or short circuit.If long-play will cause fire.
The vacuum block switch is because of its distinguishingly installation environment and application mode, that works carries out vacuum tightness and condensation monitoring prevention unlike indoor switch for it, at present, condition monitoring for the segmentation vacuum switch of China town and country supply line is relative with the fault pre-alarming technology backward, there is not ready-made solution, main by patrolling and examining fault in artificial scene, workload is large, polling period is long, after a block switch is installed often, nobody shows any interest in several years, only have when accident has occured isolating switch and just go to process, affect town and country industrial and agricultural production and people's life, and can't find for some incipient faults and minor failure state, affected power supply reliability and security.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art and a kind of town and country supply line vacuum block switch fault early warning system based on the GSM network that solves the remote failure early warning problem of supply line's segmentation vacuum switch is provided, can accurately gather the status information of vacuum block switch, long distance wireless sends status information, the identification of defective type, the prediction failure condition.
For solving the problems of the technologies described above, the technical solution of the utility model is as follows:
A kind of town and country supply line vacuum block switch fault early warning system, the running status that is used for Real-Time Monitoring vacuum block switch, find fault, identification of defective, comprise the vacuum block switch state acquisition module, fault pre-alarming end device, GSM mobile communications network, and the fault pre-alarming end device between realize radio communication and monitoring main website that can a plurality of fault pre-alarming end devices of telemanagement by the GSM mobile communications network, it is characterized in that:
The state acquisition module of described vacuum block switch is made of a plurality of sensors, comprise threephase current transformer, humidity sensor, sonic sensor, opening and closing state signal transducer, be used for gathering three-phase current, humidity, sound, the opening and closing state signal of vacuum block switch;
Described fault pre-alarming end device comprises signal conditioning circuit, A/D data acquisition module, control chip, communication module, display module, Keysheet module, power module, clock module, alarm module; Be connected with the state acquisition module of vacuum block switch on the input end of signal conditioning circuit, three-phase current, humidity, sound, opening and closing state signal that the state acquisition module of signal conditioning circuit reception vacuum block switch collects, and convert standard signal to and send into the A/D data acquisition module, the A/D data acquisition module converts analog quantity to the discrete digital signal and sends into control chip and carry out dependent failure and process; Described control chip is connected with communication module, and the control communication module is passed through the GSM mobile communications network to the monitoring sending and receiving GSM of main website information data; Power module, clock module and Keysheet module are connected with the input end of control chip respectively, provide power supply, clock information and input of control commands to control chip; Described alarm module is connected with the output terminal of control chip, and when the status signal that judgement collects and normal operating conditions signal were not inconsistent, described alarm module was reported to the police with the tinkle of bells; Display module is connected with the output terminal of control chip, shows the various status informations of fault pre-alarming end device;
Described monitoring main website comprises built-in gsm wireless communication module short message receiver terminal device, serial communication circuit, the industrial computer server that is connected with built-in gsm wireless communication module short message receiver terminal device by the serial communication circuit, the fault display device that is connected with the industrial computer server.Realize radio communication by the GSM mobile communications network between monitoring main website and the fault pre-alarming terminal; A monitoring main website can a plurality of fault pre-alarming terminals of telemanagement.
Described control chip singlechip chip, or dsp chip, perhaps other embedded chips.
The utlity model has following good effect:
The utility model realized the rural power grids distribution lines the vacuum block switch minute/"on" position, line current, switch mutually in humidity, the isoparametric detection of electrified body discharge acoustic signals, and vacuum tightness deterioration, the wire of water inlet and dewfall, vacuum circuit breaker in circuit overload, the switch box discharged etc. over the ground judge.And when vacuum block switch operation exception or fault, its fault signature is reported main website by the GSM short message mode with relevant information, for having solved the fault pre-alarming problem of supply line's segmentation vacuum switch, provide means.Application of the present utility model will be convenient to find as early as possible the fault of segmentation vacuum switch, in time overhaul, and can reduce power off time, improve reliability and the security of rural power grids distribution lines.
Description of drawings
A kind of vacuum block switch fault early warning system figure that Fig. 1 provides for the utility model.
Fig. 2 is the syndeton graph of a relation of fault pre-alarming end device of the present utility model.
Fig. 3 is the composition structural representation of monitoring of the present utility model main website.
Fig. 4 is the syndeton graph of a relation that adopts the fault pre-alarming end device of chip microcontroller in the embodiment of the present utility model.
The computing machine that provides in the embodiment of the present utility model and the connection layout of TC35 are provided Fig. 5.
Fig. 6 is the connecting circuit figure of humidity sensor of the present utility model and signal conditioning circuit.
Fig. 7 is the connecting circuit figure of sonic sensor of the present utility model and signal conditioning circuit.
Fig. 8 is the connecting circuit figure of current sensor of the present utility model and modulate circuit.
Fig. 9 is the opening and closing state sensor of vacuum switch of the present utility model and the connecting circuit figure of modulate circuit.
Specific embodiments
Core of the present utility model provides a kind of fault early warning system for detection of vacuum block switch fault, and this fault early warning system can be realized conveniently, efficiently a plurality of vacuum block switches be carried out status monitoring and fault pre-alarming.In order to make those skilled in the art person understand better the utility model scheme, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the running status that is used for Real-Time Monitoring vacuum block switch based on GSM network vacuum block switch fault early warning system described in the utility model, find fault, identification of defective, comprise the state acquisition module 1 of vacuum block switch, the fault pre-alarming end device 2 that is connected with vacuum block switch state acquisition module 1, GSM mobile communications network 3, and the fault pre-alarming end device between realize radio communication and monitoring main website 4 that can a plurality of fault pre-alarming end devices of telemanagement by the GSM mobile communications network.Basic functional principle is: vacuum block switch state acquisition module 1 detect in real time the rural power grids distribution line the vacuum block switch minute/"on" position, switch go out the status informations such as humidity in line current, the switch box, electrified body discharge acoustic signals, and these information sent in the fault pre-alarming end device 2; Utilize the fault algorithms program that presets in the fault pre-alarming end device 2, to circuit overload, whether the vacuum tightness of vacuum circuit breaker worsens, whether over the ground the wire fault such as discharge is judged, to the on the one hand alarm indication on the display device of fault pre-alarming end device 2 of fail result of diagnosing out, send block switch status information and failure message to higher level with the gsm wireless short message mode by GSM mobile communications network 3 on the other hand and monitor main website 4, a monitoring main website 4 can a plurality of fault pre-alarming terminals 2 of telemanagement, block switch state and the failure message of realizing 4 pairs of a plurality of different locations of monitoring main website gather, classification and demonstration are in order to concentrate by manually fault in time being processed.
The function of the town and country supply line vacuum block switch fault pre-alarming device based on the GSM network described in the utility model has: (1) measuring ability.Detect in real time the rural power grids distribution line the vacuum block switch minute/"on" position, three-phase line electric current, switch mutually in the parameters such as humidity, electrified body discharge acoustic signals.(2) fault pre-alarming function.By algorithm routine, realize that the vacuum tightness of dewfall and water inlet, vacuum circuit breaker worsens in circuit overload, the switch box, wire discharges over the ground etc. unusually and the judgement of phenomenon of the failure.(3) radio communication warning function.Unusual and fault occur in case find the operation of on off state displacement and switch, the fault pre-alarming terminal reports main website by the GSM short message mode with relevant information automatically.(4) duty of fault pre-alarming terminal can be understood by the GSM short message mode by main website, and the running status of obtaining the segmentation vacuum switch.
As shown in Figure 2, be the syndeton graph of a relation of fault pre-alarming end device of the present utility model.The state acquisition module 1 of described vacuum block switch is made of a plurality of sensors, comprise threephase current transformer 5, humidity sensor 6, sonic sensor 7, opening and closing state signal transducer 8, be used for gathering three-phase current, humidity, sound, the opening and closing state signal of vacuum block switch.
Described fault pre-alarming end device 2 comprises signal conditioning circuit 9, A/D data acquisition module 10, control chip 11, communication module 12, display module 13, Keysheet module 14, power module 15, clock module 16, alarm module 17; Be connected with the state acquisition module 1 of vacuum block switch on the input end of signal conditioning circuit 9, three-phase current, humidity, sound, opening and closing state signal that the state acquisition module 1 that signal conditioning circuit 9 receives the vacuum block switch collects, and convert standard signal to and send into A/D data acquisition module 10, A/D data acquisition module 10 converts analog quantity to the discrete digital signal and sends into control chip 11 and carry out dependent failure and process.
Described control chip 11 is connected with communication module 12, and control communication module 12 is passed through the GSM mobile communications network to monitoring main website 4 sending and receiving GSM information datas; Power module 15, clock module 16 and Keysheet module 14 are connected with the input end of control chip 11 respectively, provide power supply, clock information and input of control commands to control chip 11; Described alarm module 17 is connected with the output terminal of control chip 11, and when the status signal that judgement collects and normal operating conditions signal were not inconsistent, described alarm module 17 was reported to the police with the tinkle of bells; Display module 13 is connected with the output terminal of control chip 11, shows fault pre-alarming terminal 2(fault pre-alarming end device) various status informations.
The fault distinguishing of integrated fault diagnostic program is according to as follows in the fault pre-alarming terminal 2:
(1), the judgement of circuit overload.The three-phase electricity flow valuve of sending here according to threephase current transformer.This any one current value is during greater than the overload value, then thinks this circuit overload.The overload value is decided according to the load condition of actual track.
(2), the judgement of water inlet and dewfall in the switch box.Send the size of signal here according to humidity sensor, determine switch box inner drying, humidity, dewfall, water inlet by four class.
(3), the vacuum tightness of vacuum circuit breaker worsens the judgement of discharging over the ground with wire.Send magnitude of voltage here according to 1#, 2# sonic sensor, judge that the vacuum tightness deterioration of vacuum circuit breaker is discharged over the ground with wire.
As shown in Figure 3, Fig. 3 is the composition connection diagram of upper monitoring main website 4, and described monitoring main website 4 comprises built-in gsm wireless communication module short message receiver terminal device 41, serial communication circuit 42, the industrial computer server 43 that is connected with built-in gsm wireless communication module short message receiver terminal device 41 by serial communication circuit 42, the fault display device 44 that is connected with industrial computer server 43.
Native system is on communication modes, in order to save once investment, abandon optical-fibre communications, employing is transmitted message based on the cordless communication network of GSM, when main website need to understand the duty of fault pre-alarming terminal 2 and obtain the running status of segmentation vacuum switch, can call the fault pre-alarming terminal by the gsm wireless short message mode.A monitoring main website 4 can a plurality of fault pre-alarming terminals 2 of telemanagement, realize that block switch state and the failure message of 4 pairs of a plurality of different locations of monitoring main website gathers, classify and show, so that concentrated by manually fault in time being processed.
The below provides the realization example of part of module:
1, fault pre-alarming terminal:
The fault pre-alarming terminal is higher to functional requirement, and exists heavier calculation task.For this reason, shown in Fig. 2,4, control chip 11 is selected the high-speed cmos processor P IC18F4520 single-chip microcomputer of U.S. Microchip company, and its internal resource is extremely abundant.PIC18F4520 has following characteristics: at a high speed, inner Harvard's bus structure and reduced instruction set computer (RISC) and incorporating pipeline instruction fetch mode, fast 4～5 times than general single-chip microcomputer of the execution speeds of instruction of adopting; Low-power consumption, PIC18F4520 adopts the cmos circuit design, and combines many node characteristics, and power consumption is very low; Exploitation is supported the MCC18 compiler easily fully, and MCC18 almost completely supports standard C, and code conversion efficient is very high.PIC18F4520 is 40 pin enhancement mode flash memory single-chip microcomputers of a employing nanowatt technology, it has 3 external interrupt able to programme, 4 incoming levels change interruption, 2 seizure/comparison/PWM (CCP) modules and enhancement mode seizure/comparison/PWM (ECCP) module, main synchronous serial interface (supporting 3 line SPI patterns and I2C master slave mode), 10 A/D data acquisition modules of enhancement mode addressable USART module and 13 paths.
The state acquisition module 1 of described vacuum block switch is made of a plurality of sensors, comprise threephase current transformer 5(threephase current transformer TAa, TAb, TAc), humidity sensor 6, sonic sensor 7(1#, 2# sonic sensor), opening and closing state signal transducer 8, be used for gathering three-phase current, humidity, sound, the opening and closing state signal of vacuum block switch;
Fault pre-alarming terminal 2 is by singlechip chip 11, clock chip 16(clock module), gsm module 12(TC35 communication module), display module 13, keyboard load module (Keysheet module 14), switching value input circuit, power module 15, alarm module 17 several parts consist of.
Its connection principle is as follows:
(1), threephase current transformer (TAa, TAb, TAc).Be mainly used in judging whether overload of circuit.Select the employing Hall type, be output as 0～5V.Receive the analog input pin AN0～AN2 of PIC18F4520 single-chip microcomputer by twisted-pair feeder.
(2), humidity sensor.Mainly for detection of whether intaking and dewfall in the switch box.This humidity sensor is selected and is output as 0～5V signal, receives the analog input pin AN3 of PIC18F4520 single-chip microcomputer by twisted-pair feeder.
(3), 1#, 2# sonic sensor.1#, 2# sonic sensor are used for the sound signal of tested conductor when discharging over the ground, will export the corresponding voltage signal when the vacuum tightness of vacuum isolating switch worsens when discharging over the ground with wire this sensor.This sensor is used for judging whether the vacuum tightness of vacuum circuit breaker worsens, and determines whether arc-chutes can also continue to use, and judges simultaneously each whether generation electric discharge phenomena relatively.Can judge which phase vacuum circuit breaker or circuit with 2 occurs unusual.This sensor is selected and is output as 0～5V signal, receives analog input pin AN4, the AN5 of PIC18F4520 single-chip microcomputer by twisted-pair feeder.
(4), opening and closing state signal transducer (photoelectrical coupler), vacuum switch minute/the "on" position signal delivers to the analog input pin RC0 of PIC18F4520 single-chip microcomputer by photoelectrical coupler.
(5), the communication interface circuit of single-chip microcomputer and TC35 module.The PIC18F4520 single-chip microcomputer is connected by nine needles serial port (RS232) with TC35, sees Fig. 4.
Signal conditioning circuit (9) is comprised of the translation circuit of the output electrical signals of 3 current sensors, 1 humidity sensor, 2 sonic sensors, 1 opening and closing state signal transducer.A/D data acquisition module (10) adopts special-purpose A/D chip AD1674, and its input signal is provided by signal conditioning circuit (9), through the analog to digital conversion of AD1674, with the formal output of digital signal to singlechip chip (11).
As shown in Figure 6, be the connecting circuit figure of humidity sensor of the present utility model and signal conditioning circuit, the dotted line left side is humidity sensor among the figure, and the dotted line right side is the moisture signal modulate circuit.A Relative Humidity Sensor HS1100 that humidity sensor of the present utility model adopts French Humirel company to release, it is a kind of humidity sensor based on capacitance principle, variation and the capacitance of relative humidity are linear rule.When test, capacitance changes along with the variation of air humidity, for effectively data acquisition, the variation of capacitance can be converted to the variation of voltage or frequency, namely form oscillatory circuit with 555 integrated circuit, the HS1100 humidity sensor serves as oscillating capacitance, finishes humidity to the conversion of frequency.The pulse signal f of humidity obtains the voltage that changes with humidity through diode D1 rectification, the RC integrating circuit of back.Because signal is fainter, again through one in the same way proportional amplifier signal is amplified, be signal condition the output of 0-5V finally, deliver to A/D acquisition module 10 by pin AN3.
As shown in Figure 7, be the connecting circuit figure of sonic sensor of the present utility model and signal conditioning circuit, the dotted line left side is 1#, 2# sonic sensor among the figure, and the dotted line right side is the acoustic signals modulate circuit.Voice signal in the vacuum switch of the present utility model adopts the condenser type Electret condenser microphone to sound sensitive to gather.This condenser type Electret condenser microphone is sonic sensor, and its principle is: sound wave makes the electret film vibration in the microphone, causes the variation of electric capacity, and produces the with it corresponding small voltage that changes.This voltage is converted to the normal voltage of 0 ~ 5V behind filter and amplification, give the AD data acquisition module.As shown in the figure.Input signal is voice signal, measures by XF-18D electret capacitor type micro-microphone, and output signal obtains the voltage signal of 0 ~ 5V through the pre-amplification circuit that MAX4477 consists of, and gives the A/D acquisition module, carries out voltage A/D sampling.
As shown in Figure 8, be the connecting circuit figure of current sensor of the present utility model and modulate circuit, the dotted line left side is three-phase current sensor among the figure, and the dotted line right side is current signal conditioning circuit.Common LT potline current sensor LT100 gathers electric current on the electric current employing market of block switch of the present utility model, take A mutually as example, transfer resistance RL computing formula: RL(Ω)=Ua measuring voltage output/I1 output, obtain-5 ~+the 5V standard voltage signal, give the A/D data acquisition module 10 collection signals by pin AN0, AN1, AN2.
Be illustrated in figure 9 as vacuum switch of the present utility model minute/the connecting circuit figure of "on" position sensor and modulate circuit, among the figure dotted line left side for minute/the "on" position sensor, the dotted line right side is the switching signal modulate circuit.Consisted of by low-pass filter circuit and photoelectric coupling circuit.The utility model as dividing/the "on" position sensor, namely by the information of auxiliary contacts of circuit breaker, is finished the detection to breaker open operation, "on" position with auxiliary contacts of circuit breaker.When the vacuum isolating switch was in "on" position, its auxiliary contact were closed, and circuit is connected, lumination of light emitting diode, and the phototriode conducting, circuit output voltage is 0; When the vacuum isolating switch was in gate-dividing state, its auxiliary contact disconnected, and circuit is not connected, and light emitting diode is not luminous, the phototriode cut-off, and circuit output voltage is 5V.Vacuum switch minute/output signal of "on" position testing circuit delivers to the digital quantity input pin RC0 of PIC18F4520 single-chip microcomputer.
2, monitoring main website
Monitoring main website 4 is positioned at county telephone central office dispatching center or transformer station.The main hardware equipment of monitoring main website is: one as the industrial computer of monitoring the main website server, the Serial Port Line that built-in gsm wireless communication module short message receiving terminal links to each other with both.As shown in Figure 5.Its principle is: by TC35 short message receiving terminal, receive the fault pre-alarming signal of sending from the fault pre-alarming terminal, then give monitoring main website server by the RS232 Serial Port Line.On the other hand, the duty of fault pre-alarming terminal need to be understood by main website, and when obtaining the running status of segmentation vacuum switch, can send hail message to the fault pre-alarming terminal by TC35.The monitoring master station computer adopts the RS232 interface of 9 pin D-SUB joints and being connected of TC35.Because TXD and the RXD level of computing machine are the TTL logic level, must Transistor-Transistor Logic level be changed into the RS-232 level through the RS-232 level conversion, ability and TC35 carry out serial communication.For this reason, used MAX232 to carry out level conversion.Can work by software control TC35 as required.
(1), main website server basic configuration: CPU Intel Pentium IV 2.4G high speed processor; Hard disk 80G is used for Database Systems; Internal memory high speed 512MB; 17 inches liquid crystal display of display; Operating system is WINDOWS 2000 Server/WINDOWS XP.
(2), main website server basic function
1. receive in real time information and classification preservation that the fault pre-alarming terminal is sent; 2. remote terminal is carried out status surveillance; 3. management database, and can show in real time the situation of each fault pre-alarming terminal, print the database of backup.
(3), gsm wireless communication module
The acp chip of gsm wireless communication module is TC35.TC35 is the GSM dedicated modem that SIEMENS company releases, and it can finish the transmission of voice, data call, short message and fax in the GSM net.TC35 has the industrial interface of standard and complete SIM card reader, and its cost performance, reliability are all very high.
Claims (2)
1. town and country supply line vacuum block switch fault early warning system, comprise the vacuum block switch state acquisition module (1), fault pre-alarming end device (2), GSM mobile communications network (3), and the fault pre-alarming end device between realize radio communication and monitoring main website (4) that can a plurality of fault pre-alarming end devices of telemanagement by the GSM mobile communications network, it is characterized in that:
The state acquisition module (1) of described vacuum block switch comprises threephase current transformer (5), humidity sensor (6), sonic sensor (7), opening and closing state signal transducer (8);
Described fault pre-alarming end device (2) comprises signal conditioning circuit (9), A/D data acquisition module (10), control chip (11), communication module (12), display module (13), Keysheet module (14), power module (15), clock module (16), alarm module (17);
Be connected with the state acquisition module (1) of vacuum block switch on the input end of signal conditioning circuit (9), three-phase current, humidity, sound, opening and closing state signal that the state acquisition module (1) of signal conditioning circuit (9) reception vacuum block switch collects, and convert standard signal to and send into A/D data acquisition module (10), A/D data acquisition module (10) converts analog quantity to the discrete digital signal and sends into control chip (11) and carry out dependent failure and process;
Described control chip (11) is connected with communication module (12), and control communication module (12) is passed through the GSM mobile communications network to the monitoring sending and receiving GSM of main website (4) information data; Power module (15), clock module (16) and Keysheet module (14) are connected with the input end of control chip (11) respectively, provide power supply, clock information and input of control commands to control chip (11); Described alarm module (17) is connected with the output terminal of control chip (11), and when the status signal that judgement collects and normal operating conditions signal were not inconsistent, described alarm module (17) was reported to the police with the tinkle of bells; Display module (13) is connected with the output terminal of control chip (11), shows the various status informations of fault pre-alarming end device (2);
Described monitoring main website (4) comprises built-in gsm wireless communication module short message receiver terminal device (41), serial communication circuit (42), the industrial computer server (43) that is connected with built-in gsm wireless communication module short message receiver terminal device (41) by serial communication circuit (42), the fault display device (44) that is connected with industrial computer server (43).
2. town and country according to claim 1 supply line vacuum block switch fault early warning system, it is characterized in that: described control chip (11) is singlechip chip, or dsp chip, perhaps other embedded chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320157540 CN203259188U (en) | 2013-04-01 | 2013-04-01 | Vacuum section switch fault pre-warning system for urban and rural power supply line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320157540 CN203259188U (en) | 2013-04-01 | 2013-04-01 | Vacuum section switch fault pre-warning system for urban and rural power supply line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203259188U true CN203259188U (en) | 2013-10-30 |
Family
ID=49471744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320157540 Expired - Fee Related CN203259188U (en) | 2013-04-01 | 2013-04-01 | Vacuum section switch fault pre-warning system for urban and rural power supply line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203259188U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196495A (en) * | 2013-04-01 | 2013-07-10 | 河南理工大学 | Vacuum section switch fault pre-warning system for urban and rural power supply line |
| CN104297679A (en) * | 2014-10-30 | 2015-01-21 | 国家电网公司 | Early warning method of breaker tripping messages |
| CN105098995A (en) * | 2015-09-22 | 2015-11-25 | 国网山东省电力公司滨州供电公司 | Switch state monitoring device in transformer substation cabinet |
| CN107359699A (en) * | 2016-08-31 | 2017-11-17 | 天津安捷公共设施服务有限公司 | A kind of wireless status monitoring module |
| CN110503978A (en) * | 2019-07-12 | 2019-11-26 | 国网上海市电力公司 | Audio monitoring modular in a kind of Intelligent transformer station room |
| CN116298844A (en) * | 2023-02-22 | 2023-06-23 | 国网江苏省电力有限公司南京供电分公司 | Semi-dynamic arrangement-based substation high-voltage circuit breaker state monitoring system and method |
-
2013
- 2013-04-01 CN CN 201320157540 patent/CN203259188U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196495A (en) * | 2013-04-01 | 2013-07-10 | 河南理工大学 | Vacuum section switch fault pre-warning system for urban and rural power supply line |
| CN104297679A (en) * | 2014-10-30 | 2015-01-21 | 国家电网公司 | Early warning method of breaker tripping messages |
| CN104297679B (en) * | 2014-10-30 | 2017-05-17 | 国家电网公司 | Early warning method of breaker tripping messages |
| CN105098995A (en) * | 2015-09-22 | 2015-11-25 | 国网山东省电力公司滨州供电公司 | Switch state monitoring device in transformer substation cabinet |
| CN107359699A (en) * | 2016-08-31 | 2017-11-17 | 天津安捷公共设施服务有限公司 | A kind of wireless status monitoring module |
| CN110503978A (en) * | 2019-07-12 | 2019-11-26 | 国网上海市电力公司 | Audio monitoring modular in a kind of Intelligent transformer station room |
| CN116298844A (en) * | 2023-02-22 | 2023-06-23 | 国网江苏省电力有限公司南京供电分公司 | Semi-dynamic arrangement-based substation high-voltage circuit breaker state monitoring system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103196495A (en) | Vacuum section switch fault pre-warning system for urban and rural power supply line | |
| CN203259188U (en) | Vacuum section switch fault pre-warning system for urban and rural power supply line | |
| CN101763704B (en) | Intelligent home fire-fighting detection and alarm system and control method thereof | |
| CN102901908B (en) | Cable operation information monitoring system and implement method thereof | |
| CN205942334U (en) | Consumption detection device and system | |
| CN110456207A (en) | A kind of intelligent low-pressure method for diagnosing faults of open air | |
| CN104422480A (en) | Power transmission line online monitoring circuit and intelligent insulator suspension ring | |
| CN102879712A (en) | System and method for positioning power distribution network terminal failures | |
| CN202310111U (en) | Base station remote monitoring system based on embedded wireless network | |
| CN205232151U (en) | Photovoltaic exchanges measurement and control device that converges | |
| CN107741706A (en) | A kind of machine room power environment monitoring system | |
| CN206946006U (en) | A kind of small-sized weather station integral control system | |
| CN202770538U (en) | Power transmission line T contact automatic temperature measurement and alarm system | |
| CN207098748U (en) | Radio-type transformer station box environment centralized supervision system | |
| CN108549294A (en) | A kind of electric apparatus monitoring method and system | |
| CN205142136U (en) | Novel photovoltaic fault monitoring system | |
| CN202033441U (en) | State detection device for valve chest of high-current rectifier | |
| CN101109939A (en) | Communication power supply running condition information collecting and early warning device | |
| CN106451768A (en) | Comprehensive management and control system for power transmission and transformation line | |
| CN206002627U (en) | A kind of DC ground fault on-line checking and alarm device | |
| CN209103519U (en) | A kind of universal telemetering terminal equipment | |
| CN106451780A (en) | Intelligent miniature circuit breaker based on Zigbee wireless communication | |
| CN206348628U (en) | A kind of pole-mounted switch terminal | |
| CN205246796U (en) | Used leakance electricity fault detection of transformer substation device | |
| CN201075736Y (en) | Information acquisition early warning apparatus for communication power supply running conditions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20150401 |
|
| EXPY | Termination of patent right or utility model |