CN102622834B - Electronic safety protection method and private network guardrail for high-voltage tests of electric power system - Google Patents
Electronic safety protection method and private network guardrail for high-voltage tests of electric power system Download PDFInfo
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- CN102622834B CN102622834B CN 201210088568 CN201210088568A CN102622834B CN 102622834 B CN102622834 B CN 102622834B CN 201210088568 CN201210088568 CN 201210088568 CN 201210088568 A CN201210088568 A CN 201210088568A CN 102622834 B CN102622834 B CN 102622834B
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Abstract
The invention relates to an electronic safety protection method and a private network guardrail for high-voltage tests of an electric power system, which belongs to the technical field of high-voltage tests of the electric power system. The technical scheme is that a plurality of sensing nodes and a central controller are positioned on an edge line of a field of the power supply high-voltage tests, the plurality of sensing nodes are connected through a wireless network, the plurality of sensing nodes and the central controller are connected through the wireless network, and a wireless sensingnetwork is formed. If staff is monitored to approach to the field of the power supply high-voltage tests, acousto-optic alarm signals are sent out. If staff is monitored to approach to the field of the power supply high-voltage tests, a power supply for the power supply high-voltage tests is timely cut off to avoid accidents. The electronic safety protection method and the private network guardrail for high-voltage tests of the electric power system have the advantages that the wireless sensing network is applied to detection of human invasion and used in the field of the power supply high-voltage tests to guarantee safety and avoid accidents; the number of the sensing nodes can be randomly increased and decreased according to need; and data transmission paths between the sensing nodes can be optimized intelligently according to actual situations to guarantee efficiency and reliability of transmission.
Description
Technical field
The present invention relates to a kind of electronic safety protection method that electric system high-potting is used, belong to electric system High-Voltage Experimentation Technology field.
Background technology
The power supply high voltage test is dangerous situation, safety requirements to personnel is very strict, isolation guardrail need to be set, the personnel of preventing invade, with assurance personnel and testing equipment safety, in background technology, the point-to-point formula electronic guardrail of the general employing of power supply high voltage test, protect, because the factors such as test site size, landform, shelter are uncertain, be difficult to meet the demands and guarantee safety.Radio sensing network WSN(Wireless Sensor Network) be a kind of self-organizing network, by a large amount of low costs, resource-constrained sensing node equipment collaborative work, realize a certain particular task.It is a revolution of information Perception and acquisition technique, it is 21 century one of most important technology, in climate monitoring, the detection of the situations such as the temperature in surrounding enviroment, light, humidity, the monitoring of atmospheric pollution level, the aspects such as structural intergrity monitoring of building, WSN will be the replacement scheme of an economy, has a wide range of applications.In conjunction with the special circumstances of power supply high voltage test, how radio sensing network is applied in the protection of power supply high voltage experimental safe, be the technical matters that this area needs to be resolved hurrily.
Summary of the invention
The object of the invention is to provide a kind of electronic safety protection method that electric system high-potting is used, radio sensing network is applied to human body invades detection, use the dangerous situation in the power supply high voltage test, guarantee safety, avoid accident to occur, solve the problems referred to above that background technology exists.
Technical scheme of the present invention is: the electronic safety protection method that the electric system high-potting is used, comprise following content: the electronic safety protection dedicated guardrail of 1. setting up power supply high voltage test use, a plurality of sensing nodes are set on the edge line of power supply high voltage test site, and be provided with central controller, between a plurality of sensing nodes, be connected by wireless network between sensing node and central controller, consist of a radio sensing network, form the electronic safety protection dedicated guardrail of power supply high voltage test use; Whether 2. individual node is responsible for monitoring has personnel to invade in own regional extent, radio sensing network with the monitoring data transmission to central controller, after central controller is received the data of each sensing node, data analysis judgement to each sensing node, if the personnel that monitored send the sound and light alarm signal near the power supply high voltage test site; If the personnel that 3. monitored enter the power supply high voltage testing field, in time cut off the power supply high voltage experiment power supply, thereby avoid accident to occur.
Be equipped with burnt electric type human body detection sensor, microprocessor (MCU), wireless data transfer module and sound and light alarm on described sensing node, the output terminal of burnt electric type human body detection sensor connects microprocessor, and wireless data transfer module is also with sound and light alarm and is connected with microprocessor respectively; The motion of burnt electric type human body detection sensor human body, and export the strong and weak simulating signal that does not wait according to distance and the motion speed of human body, the output signal of burnt electric type human body detection sensor is through the rear input microprocessor of analog-to-digital conversion (AD), microprocessor carries out pre-service to this signal, judge speed and the distance of human motion, provide corresponding Alert Level, and by wireless data transfer module, above-mentioned communication is arrived each sensing node; Sensing node calculates optimum route approach, and data are gone down along this route, until be transferred to central controller; After central controller receives data, data are carried out secondary treating, finally determine Alert Level, and send the alarm prompting that is complementary with this rank, the sound and light alarm on each sensing node sends alarm signal; If Alert Level arrives prescribed level, stop immediately corresponding power supply high voltage test, avoid accident to occur.
Central controller, burnt electric type human body detection sensor, microprocessor, wireless data transfer module and sound and light alarm that the present invention adopts are all technology contents well known in the art.
Described microprocessor provides Alert Level, be the signal that the burnt electric type human body detection sensor of microprocessor processes detects, human motion speed and distance according to judging intrusion provide corresponding Alert Level, the human motion of invading is fast, near distance, and Alert Level is just high; The human motion of invading is slow, distance, and Alert Level is just low.
Due to the terrain environment that uses and the barrier that may exist uncertain, for the communication reliability that improves radio sensing network and the efficient of data transmission, each sensing node calculates the optimal data transmission route automatically.
The electronic safety protection dedicated network guardrail that the electric system high-potting is used comprises a plurality of sensing nodes and central controller, between a plurality of sensing nodes, be connected by wireless network between sensing node and central controller, consists of a radio sensing network.
Be equipped with burnt electric type human body detection sensor, microprocessor (MCU), wireless data transfer module and sound and light alarm on each sensing node, the output terminal of burnt electric type human body detection sensor connects microprocessor, and wireless data transfer module is also with sound and light alarm and is connected with microprocessor respectively.The motion of burnt electric type human body detection sensor human body, and export the strong and weak simulating signal that does not wait according to distance and the motion speed of human body, the signal of burnt electric type human body detection sensor is through the rear input microprocessor of analog-to-digital conversion (AD), microprocessor carries out pre-service to this signal, judge speed and the distance of human motion, provide corresponding Alert Level, and by wireless data transfer module, above-mentioned communication is arrived each sensing node; Sensing node calculates optimum route approach, and data are gone down along this route, until be transferred to central controller; After central controller receives data, data are carried out secondary treating, finally determine Alert Level, and send the alarm prompting that is complementary with this rank, the sound and light alarm on each sensing node sends alarm signal; If Alert Level arrives prescribed level, stop immediately corresponding power supply high voltage test, avoid accident to occur.
Beneficial effect of the present invention: radio sensing network is applied to human body invades detection, use at dangerous situations such as power supply high voltage tests, guarantee safety, avoid accident to occur; Sensing node quantity of the present invention can arbitrarily increase and decrease as required, and between sensing node, the approach of data transmission can according to the actual conditions intelligent optimization, guarantee efficient and the reliability of data transmission.
Description of drawings
Accompanying drawing 1 is the system schematic of the embodiment of the present invention;
Accompanying drawing 2 is embodiment of the present invention sensing node schematic diagram;
In figure: sensing node 1,2,3,4,5,6; Central controller 7; Burnt electric type human body detection sensor 8; Microprocessor 9; Wireless data transfer module 10; Sound and light alarm 11.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described by embodiment.
The electronic safety protection method that the electric system high-potting is used, comprise following content: the electronic safety protection dedicated guardrail of 1. setting up power supply high voltage test use, a plurality of sensing nodes are set on the edge line of power supply high voltage test site, and be provided with central controller, between a plurality of sensing nodes, be connected by wireless network between sensing node and central controller, consist of a radio sensing network, form the electronic safety protection dedicated guardrail of power supply high voltage test use; Whether 2. individual node is responsible for monitoring has personnel to invade in own regional extent, radio sensing network with the monitoring data transmission to central controller, after central controller is received the data of each sensing node, data analysis judgement to each sensing node, if the personnel that monitored send the sound and light alarm signal near the power supply high voltage test site; If the personnel that 3. monitored enter the power supply high voltage testing field, in time cut off the power supply high voltage experiment power supply, thereby avoid accident to occur.
Be equipped with burnt electric type human body detection sensor, microprocessor (MCU), wireless data transfer module and sound and light alarm on described sensing node, the output terminal of burnt electric type human body detection sensor connects microprocessor, and wireless data transfer module is also with sound and light alarm and is connected with microprocessor respectively; The motion of burnt electric type human body detection sensor human body, and export the strong and weak simulating signal that does not wait according to distance and the motion speed of human body, the output signal of burnt electric type human body detection sensor is through the rear input microprocessor of analog-to-digital conversion (AD), microprocessor carries out pre-service to this signal, judge speed and the distance of human motion, provide corresponding Alert Level, and by wireless data transfer module, above-mentioned communication is arrived each sensing node; Sensing node calculates optimum route approach, and data are gone down along this route, until be transferred to central controller; After central controller receives data, data are carried out secondary treating, finally determine Alert Level, and send the alarm prompting that is complementary with this rank, the sound and light alarm on each sensing node sends alarm signal; If Alert Level arrives prescribed level, stop immediately corresponding power supply high voltage test, avoid accident to occur.
Central controller, burnt electric type human body detection sensor, microprocessor, wireless data transfer module and sound and light alarm that the present invention adopts are all technology contents well known in the art.
Described microprocessor provides Alert Level, be the signal that the burnt electric type human body detection sensor book of microprocessor processes detects, human motion speed and distance according to judging intrusion provide corresponding Alert Level, the human motion of invading is fast, near distance, and Alert Level is just high; The human motion of invading is slow, distance, and Alert Level is just low.
Due to the terrain environment that uses and the barrier that may exist uncertain, for the communication reliability that improves radio sensing network and the efficient of data transmission, each sensing node calculates the optimal data transmission route automatically.
The electronic safety protection dedicated network guardrail that the electric system high-potting is used, comprise a plurality of sensing nodes 1,2,3,4,5,6 and central controller 7, between a plurality of sensing nodes, be connected by wireless network between sensing node and central controller, consist of a radio sensing network.
Be equipped with burnt electric type human body detection sensor 8, microprocessor 9, wireless data transfer module 10 and sound and light alarm 11 on each sensing node, the output terminal of burnt electric type human body detection sensor connects microprocessor, and wireless data transfer module is also with sound and light alarm and is connected with microprocessor respectively.The motion of burnt electric type human body detection sensor human body, and export the strong and weak simulating signal that does not wait according to distance and the motion speed of human body, the signal of burnt electric type human body detection sensor is through the rear input microprocessor of analog-to-digital conversion (AD), microprocessor carries out pre-service to this signal, judge speed and the distance of human motion, provide corresponding Alert Level, and by wireless data transfer module, above-mentioned communication is arrived each sensing node; Sensing node calculates optimum route approach, and data are gone down along this route, until be transferred to central controller; After central controller receives data, data are carried out secondary treating, finally determine Alert Level, and send the alarm prompting that is complementary with this rank, the sound and light alarm on each sensing node sends alarm signal; If Alert Level arrives prescribed level, stop immediately corresponding power supply high voltage test, avoid accident to occur.
With reference to accompanying drawing 1, a plurality of sensing nodes consist of radio sensing network, whether individual node is responsible for monitoring has personnel to enter in certain area coverage, radio sensing network is transferred to central controller with Monitoring Data, after central controller is received the data of each sensing node, data analysis judgement to each sensing node, if the personnel that monitored approach, send the sound and light alarm signal according to Alert Level, if Alert Level is enough high, timely cutting system power supply, thus avoid accident to occur.Due to the terrain environment that uses and the barrier that may exist uncertain, for the communication reliability that improves radio sensing network and the efficient of data transmission, each sensing node can according to the practical layout situation, calculate the optimal data transmission route automatically.Take sensing node 1 as example, the communication between sensing node 1 and central controller has two optional routes, route one: by sensing node 2, pass to sensing node 3, and then pass to central controller; Route two: directly pass to sensing node 3, then pass to central controller.Obviously in the situation that two paths are all unobstructed, route two is better than route one, so sensing node 1 will be selected route two automatically when calculating route; If data transmission route two is not smooth because of reasons such as barrier stop, sensing node 1 is selected route one automatically when calculating route; So, when effectively guaranteeing data transmission efficiency, also guaranteed the success ratio of transmission.
With reference to accompanying drawing 2, sensing node is equipped with burnt electric type human body detection sensor 8, microprocessor 9, wireless data transfer module 10 and sound and light alarm 11.Wherein, microprocessor is as the microprocessor of sensing node, and the major function of completing has: receive and carry out the order of central controller; Gather the data of burnt electric type human body detection sensor; Complete the rough handling of data; Calculate optimum route; Completing the transmitting-receiving of data controls; Control that sound and light alarm sends or the major function that stops the burnt electric type human body detection sensor of corresponding alarm is to detect in the specific region whether the personnel activity is arranged, if having, according to the distance of human body and the movable corresponding signal of speed output.The wireless data transfer module major function is to complete the sending and receiving of data by wireless mode, is operated in the half-duplex state.The function of sound and light alarm is when warning is arranged, and sends the alarm sound, and LED flash is luminous simultaneously, thereby plays the dangerous effect of reminding.
Claims (2)
1. electronic safety protection method that the electric system high-potting is used, it is characterized in that comprising following content: the electronic safety protection dedicated guardrail of 1. setting up power supply high voltage test use, a plurality of sensing nodes are set on the edge line of power supply high voltage test site, and be provided with central controller, between a plurality of sensing nodes, be connected by wireless network between sensing node and central controller, consist of a radio sensing network, form the electronic safety protection dedicated guardrail of power supply high voltage test use; Whether 2. individual node is responsible for monitoring has personnel to invade in own regional extent, radio sensing network with the monitoring data transmission to central controller, after central controller is received the data of each sensing node, data analysis judgement to each sensing node, if the personnel that monitored send the sound and light alarm signal near the power supply high voltage test site; If the personnel that 3. monitored enter the power supply high voltage testing field, in time cut off the power supply high voltage experiment power supply, thereby avoid accident to occur; Be equipped with burnt electric type human body detection sensor, microprocessor, wireless data transfer module and sound and light alarm on described sensing node, the output terminal of burnt electric type human body detection sensor connects microprocessor, and wireless data transfer module is also with sound and light alarm and is connected with microprocessor respectively; The motion of burnt electric type human body detection sensor human body, and export the strong and weak simulating signal that does not wait according to distance and the motion speed of human body, the output signal of burnt electric type human body detection sensor is through input microprocessor after analog-to-digital conversion, microprocessor carries out pre-service to this signal, judge speed and the distance of human motion, provide corresponding Alert Level, and by wireless data transfer module, above-mentioned communication is arrived each sensing node; Sensing node calculates optimum route approach, and data are gone down along this route, until be transferred to central controller; After central controller receives data, data are carried out secondary treating, finally determine Alert Level, and send the alarm prompting that is complementary with this rank, the sound and light alarm on each sensing node sends alarm signal; If Alert Level arrives prescribed level, stop immediately corresponding power supply high voltage test, avoid accident to occur.
2. the electronic safety protection method used of according to claim 1 electric system high-potting, it is characterized in that described microprocessor provides Alert Level, it is the signal that the burnt electric type human body detection sensor of microprocessor processes detects, according to human motion speed and the distance of judging intrusion, provide corresponding Alert Level, the human motion of invading is fast, near distance, and Alert Level is just high; The human motion of invading is slow, distance, and Alert Level is just low.
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| CN103399314B (en) * | 2013-06-17 | 2016-01-20 | 西安理工大学 | Under sparse reference label without transceiver objects location method for tracing |
| CN103338245A (en) * | 2013-06-24 | 2013-10-02 | 杭州西湖电子研究所 | Wireless supervision method on high-pressure testing site |
| CN103605337B (en) * | 2013-11-11 | 2017-02-15 | 国家电网公司 | High voltage test on-site safety management control auxiliary system and management control method |
| CN109314859B (en) * | 2016-07-25 | 2021-09-14 | 罗伯特·博世有限公司 | Method, device and system for safety control |
| CN106093731A (en) * | 2016-07-27 | 2016-11-09 | 国网山东省电力公司茌平县供电公司 | A kind of power cable safety protection system for high voltage test |
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