CN203069733U - A vibration-detection-based partial discharging point positioning device used for GIS tests - Google Patents

A vibration-detection-based partial discharging point positioning device used for GIS tests Download PDF

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Publication number
CN203069733U
CN203069733U CN2012207512628U CN201220751262U CN203069733U CN 203069733 U CN203069733 U CN 203069733U CN 2012207512628 U CN2012207512628 U CN 2012207512628U CN 201220751262 U CN201220751262 U CN 201220751262U CN 203069733 U CN203069733 U CN 203069733U
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CN
China
Prior art keywords
host computer
shelf depreciation
module
discharge
locating terminal
Prior art date
Application number
CN2012207512628U
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Chinese (zh)
Inventor
代克杰
尹军华
周丰群
陈辉
薛亚旭
王艳辉
刘伸展
袁书卿
赵志敏
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平顶山学院
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Priority to CN2012207512628U priority Critical patent/CN203069733U/en
Application granted granted Critical
Publication of CN203069733U publication Critical patent/CN203069733U/en

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    • Y02B60/50

Abstract

The utility model relates to the electronic technology field and specifically relates to a vibration-detection-based partial discharging point positioning device used for GIS tests. The partial discharging point positioning device comprises a host computer and partial discharge positioning terminals wirelessly connected with the host computer. At least six partial discharge positioning terminals are provided. The partial discharging point positioning device with high intellectualization degree acquires a GIS cylinder wall vibration signal and a discharging acoustical signal by using the partial discharge positioning terminals and analyzes acquired energy data through A/D conversion and weighted processing so as to determine a discharging point and achieve a positioning purpose of real-time insulation fault. The partial discharging point positioning device is capable of controlling the partial discharge positioning terminals and reading related data in order to display the data on the display screen of the host computer. The partial discharging point positioning device uses a circuit with ultra-low power consumption so as to achieve energy conservation and environment friendliness.

Description

Based on vibration detection be used for the GIS type approval test time local point of discharge locating device
Technical field
The utility model relates to electronic technology field, be specifically related to a kind of based on vibration detection be used for the GIS type approval test time local point of discharge locating device.
Background technology
Existing shelf depreciation positioning equipment is during for the GIS type approval test, and test voltage raises and the location of partial discharges fault that occurs is inaccurate.Cause mainly to lean in the GIS partial discharges fault point investigation product is disassembled the artificial visual inspection in back, the cycle is long, wastes time and energy, and influences manufacturing schedule.
The utility model content
The utility model purpose provide based on vibration detection be used for the GIS type approval test time local point of discharge location device, it can overcome the deficiency that existing GIS shelf depreciation positioning equipment exists in the shelf depreciation location.
In order to solve existing problem in the background technology, it comprise host computer and with the shelf depreciation locating terminal of described host computer wireless connections, described shelf depreciation locating terminal is at least six.
Further, described host computer comprises CPU, wireless module, liquid crystal display, storer, battery and power management module, keyboard, described CPU and described storer interconnect, described CPU is connected with liquid crystal display with described wireless module respectively, described keyboard is connected with described CPU, and described battery and power management module are connected with described keyboard, CPU, storer and liquid crystal display respectively.
Further, described shelf depreciation locating terminal comprises master controller, wireless transmitter module, led state display module and acceleration transducer, sound transducer and signal condition module, described master controller and described wireless transmitter module interconnect, described master controller is connected with described led state display module, and described acceleration transducer, sound transducer and signal condition module are connected with described master controller.
Further, described host computer adopts the ZigBee wireless network to be connected with described shelf depreciation locating terminal.
The utility model is at first laid shelf depreciation locating terminal 3 at GIS housing outer wall, shelf depreciation locating terminal 3 includes piezoelectric acceleration transducer and sound transducer, during the test of GIS shelf depreciation, rising with test voltage, moment in shelf depreciation produces pressure wave, this ripple can produce vibration by a small margin to the barrel of gas insulated combined electrical equipment, piezoelectric acceleration transducer detects vibration signal, sound transducer detects voice signal, after two signals amplify, through denoising, behind the interference filtering, handle this partial discharge test of acquisition in the energy datum of this measurement point by weighting, be uploaded to host computer through the ZigBee wireless network, host computer compares the data of each measurement point, thereby local point of discharge is positioned, and electric discharge type is identified.
Owing to adopted above technical scheme, the utlity model has following beneficial effect: described in the utility model based on vibration detection be used for the GIS type approval test time local point of discharge locating device, its intelligent degree height, obtain vibration signal (comprising barrel vibration and acoustical vibration) by the shelf depreciation positioning terminal equipment, handle through A/D conversion, weighting, the energy datum that collects is analyzed, thereby judged point of discharge and electric discharge type, realize the accurately purpose of location of fault; This device can be realized the control of shelf depreciation locating terminal and read related data, show at the host computer display screen; Its circuit adopts super low-power consumption circuit, energy-conserving and environment-protective; This device adopts wireless connections simultaneously, and handled easily personnel control at far-end, the injury that owing to high pressure operating personnel has been caused when having avoided the GIS type approval test.
Description of drawings
In order to be illustrated more clearly in the utility model, below in conjunction with accompanying drawing embodiment is done simple introduction.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of host computer in the utility model;
Fig. 3 is the program flow diagram of host computer in the utility model;
Fig. 4 is the structural representation of shelf depreciation locating terminal in the utility model;
Fig. 5 is the program flow diagram of shelf depreciation locating terminal in the utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, the accompanying drawing below in conjunction with among the utility model embodiment is clearly and completely described the technical scheme among the utility model embodiment.
Referring to Fig. 1, this embodiment is to be achieved by the following technical solutions, based on vibration detection be used for the GIS type approval test time local point of discharge locating device, comprise host computer 2 and with the shelf depreciation locating terminal 3 of described host computer 2 wireless connections, described shelf depreciation locating terminal 3 is at least six; Wherein, after host computer 2 sent the detection enabled instruction by wireless network to shelf depreciation locating terminal 3, shelf depreciation locating terminal 3 entered the vibration detection state; Host computer 2 also can send instruction and from each shelf depreciation locating terminal 3 detected data processed result be read, and shows at the display screen of host computer 2, and then judges point of discharge and electric discharge type according to data processed result.
Referring to Fig. 2, described host computer 2 comprises CPU4, wireless module 5, liquid crystal display 6, storer 7, battery and power management module 8, keyboard 9, described CPU4 and described storer 7 interconnect, described CPU4 is connected with liquid crystal display 6 with described wireless module 5 respectively, described keyboard 9 is connected with described CPU4, and described battery and power management module 8 are connected with described keyboard 9, CPU4, storer 7 and liquid crystal display 6 respectively; Described host computer 2 is used for the demonstration of input, data of complete operation instruction and storage etc., therefore selects the PIC24FJ family chip of Microchip company for use, has advantages such as low in energy consumption, fast operation; And described host computer 2 is handled easily, adopt lithium battery power supply, therefore the design of whole host computer 2 should be handled the balance between performance and power consumption well, owing to adopt lithium battery, therefore need Charge Management to detect and constitute, chip is controlled the charging process of lithium battery, wherein, wireless module 5 is used for communicating by letter with sense terminals, adopts SPI communication between wireless module 5 and the CPU4; It is system's power supply that battery and power management module 8 adopt the voltage stabilizing chip, because therefore the built-in charge and discharge managing chip of selected lithium battery has simplified electric power management circuit greatly; Storer 7 is used for store historical data, facilitates consultation; The module that liquid crystal display 6 uses is OCM12864-8, mainly finishes duty, connection status, the battery information of each node of test assignment, the demonstration task of data processed result; Keyboard 9 is mainly finished the part operation function, it is investigated functions such as inquiry, status poll and test starting in full, also can show the information of needs flexibly.
Referring to Fig. 3, host computer 2 is behind system initialization, begin to read the state of shelf depreciation locating terminal 3, and by liquid crystal display 6 demonstrations, do the respective keys indication according to the relevant information that shows, if shelf depreciation locating terminal 3 is in good condition, then delays time and continued to keep monitoring to sense terminals in 10 seconds, then handle according to key command if shelf depreciation occurs, and 3 realizations of feedback shelf depreciation locating terminal are to location and the demonstration of point of discharge.
Referring to Fig. 4, described shelf depreciation locating terminal 3 comprises master controller 10, wireless transmitter module 11, led state display module 12 and acceleration transducer, sound transducer and signal condition module 13, described master controller 10 interconnects with described wireless transmitter module 11, described master controller 10 is connected with described led state display module 12, and described acceleration transducer, sound transducer and signal condition module 13 are connected with described master controller 10; The vibration signal and the voice signal that when described shelf depreciation locating terminal 3 detects the inner generation of GIS shelf depreciation by vibration transducer and sound transducer barrel are produced, signal of sensor is behind modulate circuit, deliver to the AD end of CPU, through the AD conversion, calculate, add up to obtain the oscillation intensity of this this check point that discharges again through digital filtering, effective value, and described shelf depreciation locating terminal 3 adopts Microchip IDE 8.83 Integrated Development Environment, use the C language development, compiler adopts MPLAB C30; Wherein, master controller 10 adopts the PIC24FJ64GA004 single-chip microcomputers, mainly finishes the entire system operation and to the control function of each several part; After amplifying the signal of vibration transducer (S1), acceleration transducer, sound transducer and signal condition module 13 deliver to the AD end of CPU4; Wireless transmitter module 11 modules are mainly finished the data transmit-receive with host computer 2, also are the cores of vibration test system.
Referring to Fig. 5, described shelf depreciation locating terminal 3 is after initialization, wait for the detection enabled instruction of host computer 2, after receiving instruction, the signal that begins shelf depreciation locating terminal 3 is collected carries out noise, carry out thresholding identification behind the interference filtering, if detected signal intensity is lower than desired signal strength threshold value, then continue to keep detecting, in case surpass thresholding, carry out the signal of 50ms and store continuously, and data are weighted processing, wait the instruction of data to be read then, after accepting instruction, send data to host computer 2 by the ZigBee network, shown by liquid crystal display 6 at last.
Described host computer 2 adopts the ZigBee wireless network to be connected with described shelf depreciation locating terminal 3, therefore should use the wireless module of supporting ZigBee.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.

Claims (4)

  1. Based on vibration detection be used for the GIS type approval test time local point of discharge locating device, it is characterized in that, comprise host computer (2) and with the shelf depreciation locating terminal (3) of described host computer (2) wireless connections, described shelf depreciation locating terminal (3) is at least six.
  2. According to claim 1 based on vibration detection be used for the GIS type approval test time local point of discharge locating device, it is characterized in that host computer (2) and shelf depreciation locating terminal (3) adopt the ZigBee wireless network to be connected, thereby realize that host computer (2) is to each shelf depreciation locating terminal (3) control.
  3. According to claim 1 based on vibration detection be used for the GIS type approval test time local point of discharge locating device, it is characterized in that, described host computer (2) comprises CPU (4), wireless module (5), liquid crystal display (6), storer (7), battery and power management module (8), keyboard (9), CPU (4) realizes the control of each shelf depreciation locating terminal (3) and reading of data by the radio communication of wireless module (5) and each shelf depreciation locating terminal (3).
  4. According to claim 1 based on vibration detection be used for the GIS type approval test time local point of discharge locating device, it is characterized in that, described shelf depreciation locating terminal (3) comprises CPU (10), wireless transmitter module (11), led state display module (12) and acceleration transducer, sound transducer and signal condition module (13), acceleration transducer, to the discharge vibration of moment of sound transducer, voice signal is transformed to electric signal, after conditioning module is handled, give CPU and carry out the AD conversion, squelch, behind the interference filtering, handle this partial discharge test of acquisition in the energy datum of this measurement point by weighting, data send to host computer (2) by wireless module again.
CN2012207512628U 2012-12-21 2012-12-21 A vibration-detection-based partial discharging point positioning device used for GIS tests CN203069733U (en)

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Application Number Priority Date Filing Date Title
CN2012207512628U CN203069733U (en) 2012-12-21 2012-12-21 A vibration-detection-based partial discharging point positioning device used for GIS tests

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Application Number Priority Date Filing Date Title
CN2012207512628U CN203069733U (en) 2012-12-21 2012-12-21 A vibration-detection-based partial discharging point positioning device used for GIS tests

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CN203069733U true CN203069733U (en) 2013-07-17

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103472377A (en) * 2013-09-13 2013-12-25 平顶山学院 Partial discharging point locating device for GIS type test based on vibration detection
CN104267321A (en) * 2014-10-08 2015-01-07 国家电网公司 GIS state monitoring device based on Zigbee wireless networking
CN104655914A (en) * 2015-02-04 2015-05-27 广州供电局有限公司 Method and device for detecting interference signals and local discharging signals of GIS equipment
CN105242180A (en) * 2015-08-31 2016-01-13 中国西电电气股份有限公司 GIL/GIS discharge source detection and positioning apparatus and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103472377A (en) * 2013-09-13 2013-12-25 平顶山学院 Partial discharging point locating device for GIS type test based on vibration detection
CN104267321A (en) * 2014-10-08 2015-01-07 国家电网公司 GIS state monitoring device based on Zigbee wireless networking
CN104655914A (en) * 2015-02-04 2015-05-27 广州供电局有限公司 Method and device for detecting interference signals and local discharging signals of GIS equipment
CN105242180A (en) * 2015-08-31 2016-01-13 中国西电电气股份有限公司 GIL/GIS discharge source detection and positioning apparatus and method

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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130717

Termination date: 20131221

C17 Cessation of patent right