CN207557406U - A kind of GIS flashover positioning devices - Google Patents
A kind of GIS flashover positioning devices Download PDFInfo
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- CN207557406U CN207557406U CN201721556168.6U CN201721556168U CN207557406U CN 207557406 U CN207557406 U CN 207557406U CN 201721556168 U CN201721556168 U CN 201721556168U CN 207557406 U CN207557406 U CN 207557406U
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Abstract
The utility model provides a kind of GIS flashover positioning devices, including ultrasonic sensor, signal-conditioning unit, data processor, the Signal Monitor being sequentially connected, and power supply, it is characterised in that the signal-conditioning unit includes preamplifier, high-pass filter, controllable amplifier, low-pass filter, signal envelope controller, AD collectors.After the strong signal of strong antijamming capability, high resolution, signal can be obtained, after data processor is sent to carry out the processing such as position distance judgement, the judgement of breakdown moment, comparison, it is stored after obtaining correct breakdown point position data, Signal Monitor is sent to be shown simultaneously, and remote computer can be sent to carry out management and control through communication network treated data, it is finally completed accurate, the efficient positioning of the electrical breakdown position of gas-insulated combined high-voltage, it can be installed and used on multiple tested electrical equipments respectively, facilitate remote computer control.
Description
Technical field
The utility model is related to a kind of positioning device, especially a kind of GIS flashover positioning devices, i.e. gas-insulated combined type
The breakdown location position device of high-voltage electrical apparatus, belongs to electric device maintenance technical field.
Background technology
How accurately to detect the electrical breakdown position of gas-insulated combined high-voltage, especially combined to gas-insulated
When formula high-voltage electrical apparatus carries out ac voltage withstanding experiment or impulse withstand voltage experiment, breakdown point how is accurately positioned out, is electric for a long time
The problem that Force system needs solve.It, i.e., will be resistance to by ultrasonic sensor although having miscellaneous ultrasonic positioner
After acoustic signals during pressure experiment pass to respective processor processing, breakdown point is finally oriented.It but still can be because of interference
Factor is more and is difficult to exclude, signal is weak, resolution ratio is low etc. and can not be accurately positioned.Therefore, have to have and research and develop new GIS sudden strains of a muscle
Network positioning device meets the electrical pressure test requirement of gas-insulated combined high-voltage.
Invention content
The utility model be intended to provide a kind of strong antijamming capability, high resolution, signal it is strong, can be to pressure test during
The GIS flashover positioning devices that are accurately positioned of breakdown point.
The utility model is realized by following technical proposal：A kind of GIS flashover positioning devices, including the ultrasound being sequentially connected
Wave sensor, signal-conditioning unit, data processor, Signal Monitor and power supply, it is characterised in that the signal-conditioning unit packet
Preamplifier, high-pass filter, controllable amplifier, low-pass filter, signal envelope controller, AD collectors are included, to incite somebody to action
The acoustic signals of ultrasonic sensor are successively through preamplifier, high-pass filter, controllable amplifier, low-pass filter, signal
After envelope controller, AD collector for processing, after obtaining the strong signal of strong antijamming capability, high resolution, signal, data processing is sent
Device handled, store after, Signal Monitor is sent to be shown, while will treated that data send remote computation through communication network
Machine carries out management and control.
The data processor includes data processor, data storage, communication interface, for signal-conditioning unit to be sent
Signal be converted to digital signal after, handled, and will treated that data store, while pass through communication interface and net
Processing data are sent remote computer to carry out management and control by network.
The Signal Monitor includes LED display, signal lamp, operation keyboard, for display data processor
Data are handled, and carry out button operation.
The input terminal of the preamplifier is connected with ultrasonic sensor, output terminal and high-pass filter input terminal phase
Even, high-pass filter output terminal is connected with controllable amplifier input terminal, controllable amplifier output terminal and low-pass filter input terminal
It is connected, first low pass filter output is connected with signal envelope controller input terminal, and signal envelope controller output end is acquired with AD
Device input terminal is connected, and AD collector output terminals are connected with data processor, and data processor is connected with Signal Monitor, while electricity
Source is connected respectively with signal-conditioning unit, data processor, Signal Monitor.
The preamplifier includes the operational amplifier UOA of resistance R1, R2, R3 and model OP37；The high pass filter
Wave device includes resistance R4, R5, R6 and the operational amplifier U1A of capacitance C1, C2 and model OP37；The controllable amplifier includes
The operational amplifier U2A of the integrated circuit U1 and model OP07 of resistance R7-R13, capacitance C3-C5 and model AD775；Institute
State the operational amplifier U3A that low-pass filter includes resistance R14-R16, capacitance C6, C7 and model OP37；The envelope control
Device includes operational amplifier U4A, resistance R17-R24, capacitance C8-C11, diode D1 and the model AD843 of model AD847
Operational amplifier U5A；The AD collectors include integrated circuit U2, capacitance C12-C17, the resistance R25- of model AD9280
R35。
The utility model has following advantages and effect；Using the above scheme, it is convenient to acquire ultrasonic sensor
To breakdown acoustic signals amplify successively through preamplifier, then through high-pass filter removal noise, the interference signals such as noise, warp
After available signal is further amplified in controllable amplifier, low-pass filtered device further cleans, except making an uproar, and interference signal is discharged, through letter
Number envelope controller continues to amplify available signal, after being handled by AD collectors signal, obtain strong antijamming capability, point
After the signal that resolution is high, signal is strong, after data processor is sent to carry out the processing such as position distance judgement, the judgement of breakdown moment, comparison,
It is stored, while Signal Monitor is sent to be shown after obtaining correct breakdown point position data, and can will treated data warp
Communication network send remote computer carry out management and control, be finally completed gas-insulated combined high-voltage electrically breakdown position it is accurate,
Efficiently positioning.The utility model is suitable for the insulation combined high-voltage electrical apparatus of closed gas, i.e. GIS or the HGIS of 110-1000KV
When ac voltage withstanding experiment or impulse withstand voltage are tested, accurate, the efficient positioning of breakdown point position.The utility model can be respectively more
It is installed and used on a tested electrical equipment, and passes through network connection to remote computer, to facilitate control and management.
Description of the drawings
Fig. 1 is the block diagram of the utility model；
Fig. 2 is the signal-conditioning unit circuit diagram in Fig. 1.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings.
GIS flashover positioning devices provided by the utility model, ultrasonic sensor, signal including being sequentially connected adjust
Device, data processor, Signal Monitor and power supply, ultrasonic sensor setting is multiple, is separately mounted to detected electrical
The corresponding position of equipment, wherein：
The signal-conditioning unit includes preamplifier, high-pass filter, controllable amplifier, low-pass filter, signal packet
Network controller, AD collectors, wherein：
The preamplifier includes the operational amplifier UOA of resistance R1, R2, R3 and model OP37, input terminal with
Ultrasonic sensor is connected, output terminal is connected with high-pass filter input terminal；
The high-pass filter includes resistance R4, R5, R6 and the operational amplifier U1A of capacitance C1, C2 and model OP37,
Its output terminal is connected with controllable amplifier input terminal；
The controllable amplifier includes the integrated circuit U1 and type of resistance R7-R13, capacitance C3-C5 and model AD775
Number operational amplifier U2A for being OP07, output terminal is connected with low-pass filter input terminal；
The low-pass filter includes the operational amplifier U3A of resistance R14-R16, capacitance C6, C7 and model OP37,
Output terminal is connected with signal envelope controller input terminal；
The operational amplifier U4A of the envelope controller including model AD847, resistance R17-R24, capacitance C8-C11,
The operational amplifier U5A of diode D1 and model AD843, output terminal are connected with data processor；
The integrated circuit U2 of AD collectors including model AD9280, capacitance C12-C17, resistance R25-R35, it is defeated
Outlet and data processor；
Data processor is connected with Signal Monitor, while power supply is shown respectively with signal-conditioning unit, data processor, signal
Show that device is connected.
The data processor includes data processor, data storage, communication interface, for signal-conditioning unit to be sent
Signal be converted to digital signal after, handled, and will treated that data store, while pass through communication interface and net
Processing data are sent remote computer to carry out management and control by network.
The Signal Monitor includes LED display, signal lamp, operation keyboard, for display data processor
Data are handled, and carry out button operation.
It is during work, multiple ultrasonic sensors are collected premenstrual successively with breakdown moment relevant breakdown acoustic signals
Amplifier amplification is put, then through interference signals such as high-pass filter removal noise, noises, is further amplified through controllable amplifier available
After signal, low-pass filtered device further cleans, except making an uproar, and discharges interference signal, and it is available to continue amplification through signal envelope controller
Signal after being handled by AD collectors signal, after obtaining the strong signal of strong antijamming capability, high resolution, signal, is sent
After the processing such as data processor carries out position distance judgement, the breakdown moment judges, comparison, correct breakdown point position data is obtained
After store, while Signal Monitor is sent to be shown, and can will treated that data send remote computer to carry out through communication network
Management and control is finally completed accurate, the efficient positioning of the electrical breakdown position of gas-insulated combined high-voltage.
Claims (8)
1. a kind of GIS flashover positioning devices, including ultrasonic sensor, signal-conditioning unit, data processor, the letter being sequentially connected
Number display and power supply, it is characterised in that the signal-conditioning unit includes preamplifier, high-pass filter, controllable amplification
Device, low-pass filter, signal envelope controller, AD collectors, wherein：The input terminal and supersonic sensing of the preamplifier
Device is connected, output terminal is connected with high-pass filter input terminal, and high-pass filter output terminal is connected with controllable amplifier input terminal, can
Control amplifier out is connected with low-pass filter input terminal, first low pass filter output and signal envelope controller input terminal phase
Even, signal envelope controller output end is connected with AD collector input terminals, and AD collector output terminals are connected with data processor, number
It is connected according to processor with Signal Monitor, while power supply is connected respectively with signal-conditioning unit, data processor, Signal Monitor.
2. GIS flashover positioning devices according to claim 1, it is characterised in that the data processor includes data processing
Device, data storage, communication interface.
3. GIS flashover positioning devices according to claim 1, it is characterised in that the Signal Monitor is shown including LED
Screen, signal lamp, operation keyboard.
4. GIS flashover positioning devices according to claim 1, it is characterised in that the preamplifier include resistance R1,
The operational amplifier UOA of R2, R3 and model OP37；The high-pass filter include resistance R4, R5, R6 and capacitance C1, C2 and
The operational amplifier U1A of model OP37.
5. GIS flashover positioning devices according to claim 1, it is characterised in that the controllable amplifier includes resistance R7-
The operational amplifier U2A of the integrated circuit U1 and model OP07 of R13, capacitance C3-C5 and model AD775.
6. GIS flashover positioning devices according to claim 1, it is characterised in that the low-pass filter includes resistance R14-
The operational amplifier U3A of R16, capacitance C6, C7 and model OP37.
7. GIS flashover positioning devices according to claim 1, it is characterised in that the envelope controller includes model
The operational amplifier U4A of AD847, resistance R17-R24, capacitance C8-C11, diode D1 and model AD843 operational amplifier
U5A。
8. GIS flashover positioning devices according to claim 1, it is characterised in that the AD collectors include model
Integrated circuit U2, capacitance C12-C17, the resistance R25-R35 of AD9280.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721556168.6U CN207557406U (en) | 2017-11-20 | 2017-11-20 | A kind of GIS flashover positioning devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721556168.6U CN207557406U (en) | 2017-11-20 | 2017-11-20 | A kind of GIS flashover positioning devices |
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| Publication Number | Publication Date |
|---|---|
| CN207557406U true CN207557406U (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721556168.6U Active CN207557406U (en) | 2017-11-20 | 2017-11-20 | A kind of GIS flashover positioning devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677945A (en) * | 2017-11-20 | 2018-02-09 | 云南电网有限责任公司昆明供电局 | A kind of GIS flashover positioning devices |
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2017
- 2017-11-20 CN CN201721556168.6U patent/CN207557406U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677945A (en) * | 2017-11-20 | 2018-02-09 | 云南电网有限责任公司昆明供电局 | A kind of GIS flashover positioning devices |
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