CN105513245A - 35kV transformer substation multi-layer safety protection system - Google Patents

35kV transformer substation multi-layer safety protection system Download PDF

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Publication number
CN105513245A
CN105513245A CN201510934737.5A CN201510934737A CN105513245A CN 105513245 A CN105513245 A CN 105513245A CN 201510934737 A CN201510934737 A CN 201510934737A CN 105513245 A CN105513245 A CN 105513245A
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China
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host computer
monitoring host
transformer station
module
master
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CN201510934737.5A
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CN105513245B (en
Inventor
吕学彬
罗恒
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State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Xingtai Power Supply Co of State Grid Hebei Electric Power Co Ltd
Linxi Power Supply Co of State Grid Hebei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Xingtai Power Supply Co of State Grid Hebei Electric Power Co Ltd
Linxi Power Supply Co of State Grid Hebei Electric Power Co Ltd
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Priority to CN201510934737.5A priority Critical patent/CN105513245B/en
Publication of CN105513245A publication Critical patent/CN105513245A/en
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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/18Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/181Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00Fencing, e.g. fences, enclosures, corrals

Abstract

The invention discloses a 35kV transformer substation multi-layer safety protection system, and relates to the technical field of intelligent transformer substations. The protection system comprises first to seventh safety protection devices, multiple data acquisition devices and a monitoring host. The protection system is provided with multi-layer protection devices so that the protection effect is great. Besides, the data acquisition devices are arranged at the points to be monitored in a transformer substation, and a fault curve model is arranged in the host so that the monitoring host is enabled to timely discover faults in the operation process of the transformer substation and perform quick positioning, and thus operation safety and stability of the transformer substation can be further enhanced.

Description

35kV transformer station maltilevel security protection system
Technical field
The present invention relates to intelligent substation technical field, particularly relate to the 35kV transformer station maltilevel security protection system that a kind of security is high.
Background technology
Along with electric power is defeated, join, become the modernization overlay of network, each transformer station all will strengthen substation safety technological prevention level, to improve productivity effect.Monitoring center system is set up at Zhan Duan center, monitoring center system can be monitored transformer station, the relevant data of institute's Monitor And Control Subsystem collection, environment parameter, video image and monitor, so that can in real time, directly understand and grasp transformer station, situation, and in time corresponding process is made to transformer station, the warning that sends.Enforcement transformer station is antitheft, remote viewing security technique guarding system, it is the important component part of the integrated automation of transformation stations, realize transformer station, unattended important technical basis, substation safety is taken precautions against, environmental aspect and tackle disaster etc. and have great significance, can play and conscientiously improve security level that is unmanned, few man on duty transformer station, promote administration of power networks further progressively to intellectuality, robotization, synthesization, centralization future development.But existing unmanned substation is generally that the various fence mesh of simple use protects, and fence mesh used wired mode to provide power supply, once dead electricity, just lose safeguard function, security is lower; In addition, only carry out scope by fence mesh, protection effect is poor.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of 35kV transformer station maltilevel security protection system; described guard system has multi-protective device, and protection effect is good, and security is high; and trouble spot can be found timely, improve the safety and stability of substation operation.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of 35kV transformer station maltilevel security protection system, it is characterized in that: described protection system comprises the first to the 7th safety device, several data collectors and monitoring host computer, described first safety device comprises fence net, described fence net is positioned on the enclosure wall of transformer station periphery, described fence net comprises infrared fence, high-voltage pulse electrical network, accumulator and power receiver module, described infrared fence comprises infrared opposite-radiation device, described infrared opposite-radiation device is arranged in the gap between the cable of described high-voltage pulse electrical network, described photoelectric beam detector is connected with signal processing apparatus, signal processing device is set up and is provided with short range wireless transmission module, the short range wireless transmission module that signal processing device is set up, data interaction is carried out by the short range wireless transmission module on wireless network and monitoring host computer,
Described second safety device comprises and is positioned at transformer station outside some first wires within the walls, first wire is woven into netted, the outside of every bar first wire is provided with insulation course, first pull-up resistor that every bar first wire is connected is connected with the both positive and negative polarity of battery with after first current collecting device, each first current collecting device is connected with the signal input part of signal processing apparatus, process for the current information of collection is sent to signal processing apparatus, signal processing apparatus carries out data interaction by wireless network and monitoring host computer;
Described 3rd safety device comprises the first protective door, described first protective door is positioned on transformer station's periphery enclosure wall, described first protective door is provided with the first fingerprint and knows identification module, the first electromagnetic lock and the first image capture module, described first fingerprint identification module and the first image capture module are connected with the signal input part of described monitoring host computer, and described monitoring host computer is used for controlling the first electromagnetic lock action according to the finger print information of the first fingerprint identification module collection and the human face information of the first image capture module collection;
Described 4th safety device comprises the second protective door, described second protective door is positioned on the body of wall of transformer station's master-control room, described second protective door is provided with the second fingerprint identification module, the second electromagnetic lock and the second image capture module, described second fingerprint identification module and the second image capture module are connected with the signal input part of described monitoring host computer, and described monitoring host computer is used for controlling the second electromagnetic lock action according to the finger print information of the second fingerprint identification module collection and the human face information of the second image capture module collection;
Described 5th safety device comprises some bars of the second wires being positioned at transformer station's master-control room body of wall, second wire is woven into netted, the outside of every bar second wire is provided with insulation course, second pull-up resistor that every bar second wire is connected is connected with the both positive and negative polarity of battery with after second current collecting device, each second current collecting device is connected with the signal input part of signal processing apparatus, for being sent to by the current information of collection after signal processing apparatus processes, carry out data interaction by serial ports and monitoring host computer;
Described 6th safety device comprises several first full-view cameras being positioned at the enclosure wall of described transformer station periphery and the body of wall surrounding of transformer station's master-control room, described first full-view camera is connected with the signal input part of described monitoring host computer, for gathering the environmental information of surrounding;
Described 7th safety device comprises and is arranged at several second full-view cameras in described transformer station master-control room and several motion detectors, the second full-view camera in master-control room and motion detector are connected with the signal input part of described monitoring host computer, the second full-view camera in master-control room is for gathering the environmental information in master-control room, and motion detector is for detecting in master-control room whether have mobile object or human body;
Described data collector is positioned on described transformer station point to be monitored, comprises current sensor, voltage sensor, temperature sensor, central processing unit and wireless transport module, described current sensor, voltage sensor, temperature sensor is connected with the signal input part of described central processing unit, for gathering the electric current of point to be monitored, voltage and temperature information, the electric current of collection, voltage and temperature information are sent to monitoring host computer by wireless transport module, and be provided with the damage curve model of each point to be monitored in monitoring host computer, described damage curve model draws by the following method: the electric current first gathering each point to be monitored under normal circumstances, voltage and temperature information, then gather electric current when each point to be monitored breaks down, voltage and temperature information, by electric current when breaking down, voltage and temperature information respectively with electric current under normal circumstances, voltage and temperature information do difference, find out electric current, change maximum parameter in voltage and temperature information, as failure-description parameter, finally using failure-description parameter curve under normal circumstances as damage curve model, in the process of data collector Real-Time Monitoring, failure-description parameter and the corresponding parameter under normal circumstances of point to be monitored compare, if change is more than a threshold value, then monitoring host computer gives the alarm signal, and is positioned trouble spot by the ID of the wireless transport module in data collector,
Monitoring host computer is positioned at transformer station's master-control room, described monitoring host computer is provided with power transmission module, the power output end of power receiver module is connected with the power input of accumulator, by inductive coupling electric energy transmitting between described power transmission module and described power receiver module, the electric energy of transmission is stored in accumulator, and accumulator provides power supply for described infrared fence and high-voltage pulse electrical network.
Further technical scheme is: described protection system also comprises acoustic-optic alarm; described acoustic-optic alarm is connected with the signal output part of monitoring host computer; acoustic-optic alarm lays respectively on the body of wall of enclosure wall and transformer station's master-control room, for sending audible and visible alarm to the human or animal around transformer station.
Further technical scheme is: described monitoring host computer is provided with long range radio transmissions module, and long range radio transmissions module receives the relevant information of Terminal Server Client transmission by wireless transmitting system or the relevant information of monitoring host computer is sent to Terminal Server Client by wireless transmitting system.
Further technical scheme is: described Terminal Server Client comprises mobile PC and mobile phone.
The beneficial effect adopting technique scheme to produce is: first; in described protection system, monitoring host computer adopts the mode of wireless charging to provide power supply for the accumulator of fence net; accumulator is within a period of time; uninterrupted power source can be provided; also can effectively prevent from Migrant women from cutting off supply line by the mode of wireless power and destroy fence net entering transformer station; protection effect is good, and security is high.
Described protection system comprises multi-protective device, first weight: the infrared fence cooperatively interacted and high-voltage pulse electrical network, when there being human or animal to touch high-voltage pulse electrical network, the cable generation high-voltage pulse that high-voltage pulse electric is online, high-voltage pulse is applied on human body or animal body, play the effect of deterrence, and coordinate infrared fence to use, when there being human or animal to touch the infrared ray of infrared fence generation, touching signal is sent to monitoring host computer by wireless network by infrared fence, monitoring host computer gives the alarm and by long range radio transmissions module, warning message is sent to Terminal Server Client,
Second weight: transformer station outside is provided with the net of wire braiding within the walls, and the change of electric current on wire is monitored by current collecting device, when destroying body of wall, wire disconnects, current collecting device no current, at this moment by the short-range wireless communication module on the second safety device, current information is fed back to monitoring host computer, after monitoring host computer judges, send sound and light alarm information, and by long range radio transmissions module, warning message is sent to Terminal Server Client;
Is triple: the first protective door, described first protective door is provided with the first fingerprint identification module and the first image capture module, only have after the finger print information gathered and human face information are all by the checking of monitoring host computer, described monitoring host computer just controls the first electromagnetic lock action, unblanks;
Quadruple: the second protective door, described second protective door is provided with the second fingerprint identification module and the second image capture module, only have after the finger print information gathered and human face information are all by the checking of monitoring host computer, described monitoring host computer just controls the second electromagnetic lock action, unblanks;
5th weight: the net being provided with wire braiding in transformer station's master-control room body of wall, and the change of electric current on wire is monitored by current collecting device, when destroying body of wall, wire disconnects, current collecting device no current, at this moment by the serial ports on the 5th safety device, current information is fed back to monitoring host computer, after monitoring host computer judges, send sound and light alarm information, and by long range radio transmissions module, warning message is sent to Terminal Server Client;
Sixfold: several first full-view cameras of the enclosure wall of described transformer station periphery and the body of wall surrounding of transformer station's master-control room, first full-view camera sends the image information outside transformer station and outside master-control room to monitoring host computer in real time, and then image information is transferred to Terminal Server Client by remote wireless transmission system by monitoring host computer;
Septuple: be provided with several second full-view cameras and several motion detectors in described transformer station master-control room, full-view camera is for gathering the environmental information in master-control room, motion detector is for detecting the human body or object whether in master-control room with motion, prevent the monitoring dead angle of full-view camera, environment information acquisition more comprehensively;
And described protection system is by the upper layout data harvester of point to be monitored (being generally some important device or circuits) in transformer station; the fault of transformer station in operational process can be found timely, further increase the safety and stability of substation operation.
Native system can also pass through Terminal Server Client, control the devices such as fence mesh, the first protective door, the second protective door and monitoring host computer easily, make its work or do not work, conveniently process according to actual conditions, be conducive to maintenance and the use of power supply enterprise, and the failure message of discovery can be sent to Terminal Server Client timely, fix a breakdown with the fastest speed for fault, make transformer station recover normal, reduce the loss.
To sum up, described guard system has multi-protective device, and protection effect is good, and security is high, and can find trouble spot timely, improves the safety and stability of substation operation.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is theory diagram of the present invention;
Fig. 2 is the structural representation of the net of fence described in the present invention;
Fig. 3 is the theory diagram of the net of fence described in the present invention;
Fig. 4 is the theory diagram of the second safety device in the present invention;
Fig. 5 is the theory diagram of the 5th safety device in the present invention;
Fig. 6 is the theory diagram of data collector in the present invention;
Wherein: 1, monitoring host computer 2, fence net 3, the enclosure wall 4 of transformer station periphery, infrared opposite-radiation device 5, cable 6, transformer station's master-control room 7, first wire 8, first pull-up resistor 9, first current collecting device 10, first protective door 11, first fingerprint knows identification module 12, first electromagnetic lock 13, first image capture module 14, second protective door 15, second fingerprint identification module 16, second electromagnetic lock 17, second image capture module 18, second wire 19, second pull-up resistor 20, second current collecting device 21, first full-view camera 22, second full-view camera 23, motion detector 24, wireless transmitting system 25, Terminal Server Client 26, data collector 27, transformer 28, protective relaying device.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Set forth a lot of detail in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
As shown in Figure 1, the invention discloses a kind of 35kV transformer station maltilevel security protection system, described protection system comprises the first to the 7th safety device, several data collectors, monitoring host computer 1 and acoustic-optic alarm.Described acoustic-optic alarm is connected with the signal output part of monitoring host computer 1, and acoustic-optic alarm lays respectively on the body of wall of enclosure wall 3 and transformer station's master-control room 6, for sending audible and visible alarm to the human or animal around transformer station.Described monitoring host computer 1 is provided with long range radio transmissions module, long range radio transmissions module receives the relevant information of Terminal Server Client 25 transmission by wireless transmitting system 24 or the relevant information of monitoring host computer is sent to Terminal Server Client 25 by wireless transmitting system 24, and described Terminal Server Client 25 can be mobile PC and mobile phone.
As Figure 2-3, described first safety device comprises fence net 2, and described fence net 2 is positioned on the enclosure wall 3 of transformer station periphery; Described fence net 2 comprises infrared fence, high-voltage pulse electrical network, accumulator and power receiver module, and described infrared fence comprises infrared opposite-radiation device 4, and described infrared opposite-radiation device 4 is arranged in the gap between the cable 5 of described high-voltage pulse electrical network; Described photoelectric beam detector 4 is through signal processing apparatus and by carrying out data interaction between the short range wireless transmission module in short range wireless transmission module and monitoring host computer 1, monitoring host computer 1 is positioned at transformer station's master-control room 6; Described monitoring host computer 1 is provided with power transmission module, the power output end of power receiver module is connected with the power input of accumulator, by inductive coupling transferring electric power between described power transmission module and described power receiver module, the electric power of transmission is stored in accumulator, and accumulator provides power supply for described infrared fence and high-voltage pulse electrical network.
First, in described guard system, monitoring host computer adopts the mode of wireless charging to provide power supply for the accumulator of fence net, accumulator is within a period of time, uninterrupted power source can be provided, also can effectively prevent from Migrant women from cutting off supply line by the mode of wireless power and destroy fence net entering transformer station, protection effect is good, and security is high.
The infrared fence cooperatively interacted and high-voltage pulse electrical network, when there being human or animal to touch high-voltage pulse electrical network, the cable generation high-voltage pulse that high-voltage pulse electric is online, high-voltage pulse is applied on human body or animal body, play the effect of deterrence, and coordinate infrared fence to use, when there being human or animal to touch the infrared ray of infrared fence generation, touching signal is sent to monitoring host computer by wireless network by infrared fence, and monitoring host computer gives the alarm and by long range radio transmissions module, warning message sent to Terminal Server Client.
As shown in Figure 4, described second safety device comprises some first wires 7 being positioned at transformer station's periphery enclosure wall 3; First wire 7 is woven into netted, the outside of every bar first wire 7 is provided with insulation course, first pull-up resistor 8 that every bar first wire 7 is connected is connected with the both positive and negative polarity of battery with after first current collecting device 9, each first current collecting device 9 is connected with the signal input part of signal processing apparatus, process for the current information of collection is sent to signal processing apparatus, signal processing apparatus carries out data interaction by the short range wireless transmission module in short range wireless transmission module and monitoring host computer.
Transformer station outside is provided with the net of wire braiding within the walls, and the change of electric current on wire is monitored by current collecting device, when destroying body of wall, wire disconnects, current collecting device no current, at this moment by the short-range wireless communication module on the second safety device, current information is fed back to monitoring host computer, after monitoring host computer judges, send sound and light alarm information, and by long range radio transmissions module, warning message is sent to Terminal Server Client.
As shown in Figure 1, described 3rd safety device comprises the first protective door 10; Described first protective door 10 is provided with the first fingerprint and knows identification module 11, first electromagnetic lock 12 and the first image capture module 13, and described first fingerprint identification module 11 and the first image capture module 13 are connected with the signal input part of described monitoring host computer 1; Described monitoring host computer 1 controls the first electromagnetic lock 12 action for the human face information gathered according to finger print information and first image capture module 13 of the first fingerprint identification module 11 collection.
Described first protective door is provided with the first fingerprint identification module and the first image capture module, and only have after the finger print information gathered and human face information are all by the checking of monitoring host computer, described monitoring host computer just controls the first electromagnetic lock action, unblanks.
As shown in Figure 1, described 4th safety device comprises the second protective door 14; Described second protective door 14 is positioned on the body of wall of transformer station's master-control room, and described second protective door 14 is provided with the second fingerprint identification module 15, second electromagnetic lock 16 and the second image capture module 17; Described second fingerprint identification module 15 and the second image capture module 17 are connected with the signal input part of described monitoring host computer 1, and described monitoring host computer 1 controls the second electromagnetic lock 16 action for the human face information gathered according to finger print information and second image capture module 17 of the second fingerprint identification module 15 collection.
Described second protective door is provided with the second fingerprint identification module and the second image capture module, and only have after the finger print information gathered and human face information are all by the checking of monitoring host computer, described monitoring host computer just controls the second electromagnetic lock action, unblanks.
As shown in Figure 5, described 5th safety device comprises some bars of the second wires 18 being positioned at transformer station's master-control room 6 body of wall; Second wire 18 is woven into netted, and the outside of every bar second wire 18 is provided with insulation course, and second pull-up resistor 19 that every bar second wire 18 is connected is connected with the both positive and negative polarity of battery with after second current collecting device 20; Each second current collecting device is connected with the signal input part of signal processing apparatus, for being sent to by the current information of collection after signal processing apparatus processes, carries out data interaction by serial ports and monitoring host computer 1.
The net of wire braiding is provided with in transformer station's master-control room body of wall, and the change of electric current on wire is monitored by current collecting device, when destroying body of wall, wire disconnects, current collecting device no current, at this moment by the serial ports on the 5th safety device, current information is fed back to monitoring host computer, after monitoring host computer judges, send sound and light alarm information, and by long range radio transmissions module, warning message is sent to Terminal Server Client.
As shown in Figure 1, described 6th safety device comprises several first full-view cameras 21 being positioned at the enclosure wall 3 of described transformer station periphery and the body of wall surrounding of transformer station's master-control room 6; Described first full-view camera 21 is connected with the signal input part of described monitoring host computer 1, for gathering the environmental information of surrounding.
Several first full-view cameras of the enclosure wall of described transformer station periphery and the body of wall surrounding of transformer station's master-control room, first full-view camera sends the image information outside transformer station and outside master-control room to monitoring host computer in real time, and then image information is transferred to Terminal Server Client by remote wireless transmission system by monitoring host computer.
As shown in Figure 1, described 7th safety device comprises and is arranged at several second full-view cameras 22 in described transformer station master-control room 6 and several motion detectors 23; The second full-view camera 22 in master-control room and motion detector 23 are connected with the signal input part of described monitoring host computer 1, the second full-view camera 22 in master-control room is for gathering the environmental information in master-control room, and motion detector 23 is for detecting in master-control room whether have mobile object or human body.
Several second full-view cameras and several motion detectors is provided with in described transformer station master-control room, full-view camera is for gathering the environmental information in master-control room, motion detector is for detecting the human body or object whether in master-control room with motion, prevent the monitoring dead angle of full-view camera, environment information acquisition more comprehensively.
As shown in figures 1 to 6; described data collector 26 is positioned at described transformer station point to be monitored and (is generally some important device or circuits; such as transformer, main line, protective relaying device etc.) on, comprise current sensor, voltage sensor, temperature sensor, central processing unit and wireless transport module.Described current sensor, voltage sensor, temperature sensor are connected with the signal input part of described central processing unit, for gathering the electric current of point to be monitored, voltage and temperature information, the electric current gathered, voltage and temperature information are sent to monitoring host computer by wireless transport module, are provided with the damage curve model of each point to be monitored in monitoring host computer.
Described damage curve model draws by the following method: the electric current first gathering each point to be monitored under normal circumstances, voltage and temperature information, then electric current when each point to be monitored breaks down is gathered, voltage and temperature information (sampling period is a day under normal circumstances), by electric current when breaking down, voltage and temperature information respectively with electric current under normal circumstances, that voltage and temperature information do is poor (should with normal electric current during fault generation synchronization, voltage or temperature information carry out doing difference), find out electric current, maximum parameter is changed in voltage and temperature information, as failure-description parameter, under normal circumstances using failure-description parameter curve under normal circumstances as damage curve model (finally, the X-axis of damage curve model is the time, Y-axis is electric current, voltage or temperature value, the sampling time of damage curve model is generally one day), in the process of data collector Real-Time Monitoring, the failure-description parameter of point to be monitored and corresponding parameter under normal circumstances compare should carry out doing difference with normal electric current, voltage or temperature information during fault generation synchronization), if change is more than a threshold value, then monitoring host computer gives the alarm signal, and by the ID of the wireless transport module in data collector, trouble spot is positioned, trouble spot can be found more accurately and rapidly.
And described protection system, by layout data harvester on point to be monitored in transformer station, can find the fault of transformer station in operational process timely, further increase the safety and stability of substation operation.
To sum up, described guard system has multi-protective device, and protection effect is good, and security is high, and can find trouble spot timely, improves the safety and stability of substation operation.

Claims (4)

1. a 35kV transformer station maltilevel security protection system, it is characterized in that: described protection system comprises the first to the 7th safety device, several data collectors and monitoring host computer (1), described first safety device comprises fence net (2), described fence net (2) is positioned on the enclosure wall (3) of transformer station periphery, described fence net (2) comprises infrared fence, high-voltage pulse electrical network, accumulator and power receiver module, described infrared fence comprises infrared opposite-radiation device (4), described infrared opposite-radiation device (4) is arranged in the gap between the cable (5) of described high-voltage pulse electrical network, described photoelectric beam detector (4) is connected with signal processing apparatus, signal processing device is set up and is provided with short range wireless transmission module, the short range wireless transmission module that signal processing device is set up, data interaction is carried out by the short range wireless transmission module on wireless network and monitoring host computer (1),
Described second safety device comprises some the first wires (7) being positioned at transformer station's periphery enclosure wall (3), first wire (7) is woven into netted, the outside of every bar first wire (7) is provided with insulation course, upper series connection first pull-up resistor (8) of every bar first wire (7) is connected with the both positive and negative polarity of battery afterwards with first current collecting device (9), each first current collecting device (9) is connected with the signal input part of signal processing apparatus, process for the current information of collection is sent to signal processing apparatus, signal processing apparatus carries out data interaction by wireless network and monitoring host computer,
Described 3rd safety device comprises the first protective door (10), described first protective door (10) is positioned in transformer station's periphery enclosure wall (3), described first protective door (10) is provided with the first fingerprint and knows identification module (11), first electromagnetic lock (12) and the first image capture module (13), described first fingerprint identification module (11) and the first image capture module (13) are connected with the signal input part of described monitoring host computer (1), the human face information that described monitoring host computer (1) gathers for the finger print information that gathers according to the first fingerprint identification module (11) and the first image capture module (13) controls the first electromagnetic lock (12) action,
Described 4th safety device comprises the second protective door (14), described second protective door (14) is positioned on the body of wall of transformer station's master-control room, described second protective door (14) is provided with the second fingerprint identification module (15), second electromagnetic lock (16) and the second image capture module (17), described second fingerprint identification module (15) and the second image capture module (17) are connected with the signal input part of described monitoring host computer (1), the human face information that described monitoring host computer (1) gathers for the finger print information that gathers according to the second fingerprint identification module (15) and the second image capture module (17) controls the second electromagnetic lock (16) action,
Described 5th safety device comprises some articles of the second wires (18) being positioned at transformer station's master-control room (6) body of wall, second wire (18) is woven into netted, the outside of every bar second wire (18) is provided with insulation course, upper series connection second pull-up resistor (19) of every bar second wire (18) is connected with the both positive and negative polarity of battery afterwards with second current collecting device (20), each second current collecting device is connected with the signal input part of signal processing apparatus, for the current information of collection being sent to after signal processing apparatus processes, data interaction is carried out by serial ports and monitoring host computer (1),
Described 6th safety device comprises several first full-view cameras (21) of the body of wall surrounding of enclosure wall (3) and the transformer station's master-control room (6) being positioned at described transformer station periphery, described first full-view camera (21) is connected with the signal input part of described monitoring host computer (1), for gathering the environmental information of surrounding;
Described 7th safety device comprises and is arranged at several the second full-view cameras (22) in described transformer station master-control room (6) and several motion detectors (23), the second full-view camera (22) in master-control room and motion detector (23) are connected with the signal input part of described monitoring host computer (1), the second full-view camera (22) in master-control room is for gathering the environmental information in master-control room, and motion detector (23) is for detecting in master-control room whether have mobile object or human body;
Described data collector (26) is positioned on described transformer station point to be monitored, comprises current sensor, voltage sensor, temperature sensor, central processing unit and wireless transport module, described current sensor, voltage sensor, temperature sensor is connected with the signal input part of described central processing unit, for gathering the electric current of point to be monitored, voltage and temperature information, the electric current of collection, voltage and temperature information are sent to monitoring host computer by wireless transport module, and be provided with the damage curve model of each point to be monitored in monitoring host computer, described damage curve model draws by the following method: the electric current first gathering each point to be monitored under normal circumstances, voltage and temperature information, then gather electric current when each point to be monitored breaks down, voltage and temperature information, by electric current when breaking down, voltage and temperature information respectively with electric current under normal circumstances, voltage and temperature information do difference, find out electric current, change maximum parameter in voltage and temperature information, as failure-description parameter, finally using failure-description parameter curve under normal circumstances as damage curve model, in the process of data collector Real-Time Monitoring, failure-description parameter and the corresponding parameter under normal circumstances of point to be monitored compare, if change is more than a threshold value, then monitoring host computer gives the alarm signal, and is positioned trouble spot by the ID of the wireless transport module in data collector,
Monitoring host computer (1) is positioned at transformer station's master-control room (6), described monitoring host computer (1) is provided with power transmission module, the power output end of power receiver module is connected with the power input of accumulator, by inductive coupling electric energy transmitting between described power transmission module and described power receiver module, the electric energy of transmission is stored in accumulator, and accumulator provides power supply for described infrared fence and high-voltage pulse electrical network.
2. 35kV transformer station as claimed in claim 1 maltilevel security protection system; it is characterized in that: described protection system also comprises acoustic-optic alarm; described acoustic-optic alarm is connected with the signal output part of monitoring host computer (1); acoustic-optic alarm lays respectively on the body of wall of enclosure wall (3) and transformer station's master-control room (6), for sending audible and visible alarm to the human or animal around transformer station.
3. 35kV transformer station as claimed in claim 1 maltilevel security protection system; it is characterized in that: described monitoring host computer (1) is provided with long range radio transmissions module, long range radio transmissions module receives Terminal Server Client (25) relevant information that sends by wireless transmitting system (24) or the relevant information of monitoring host computer is sent to Terminal Server Client (25) by wireless transmitting system (24).
4. 35kV transformer station as claimed in claim 3 maltilevel security protection system, is characterized in that: described Terminal Server Client (25) comprises mobile PC and mobile phone.
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