CN208636401U - A kind of mechanical characteristic of high-voltage circuit breaker monitoring system - Google Patents
A kind of mechanical characteristic of high-voltage circuit breaker monitoring system Download PDFInfo
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- CN208636401U CN208636401U CN201820088014.7U CN201820088014U CN208636401U CN 208636401 U CN208636401 U CN 208636401U CN 201820088014 U CN201820088014 U CN 201820088014U CN 208636401 U CN208636401 U CN 208636401U
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- circuit breaker
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Abstract
The utility model relates to a kind of mechanical characteristic of high-voltage circuit breaker to monitor system.Technical solution is: vibrating sensor, current sensor, sound transducer are connected with capture card, and capture card, imaging sensor are connected with intelligent industrial-control monitor, and intelligent industrial-control monitor is connected with combined aural and visual alarm.The utility model is able to detect vibration signal, divide-shut brake coil current signal, voice signal during circuit-breaker switching on-off, and the mechanical property parameter of circuit breaker operation mechanism is detected by imaging sensor, the working condition of high-voltage circuitbreaker is analyzed and determined using intelligent industrial-control monitor, existence carries out sound-light alarm extremely.The utility model measures circuit breaker operation mechanism component moving displacement, does not need dedicated installs fixture and contacts with moving component, and vibration, electric current and sound transducer installation can also carry out under fuser belt electricity operation state.High-voltage circuitbreaker working condition is prompted by sound and light alarm signal, avoidable power outage causes heavy economic losses.
Description
Technical field
The utility model relates to a kind of mechanical characteristic of high-voltage circuit breaker to monitor system, belong to electrical equipment measuring technology neck
Domain.
Background technique
As Operation of Electric Systems voltage class is continuously improved, as main protection, the high-voltage circuitbreaker of control element
Capacity and quantity are also continuously increased, and differentiate that the reliability of its movement is extremely important.The breaking-closing operating of high-voltage circuitbreaker is by grasping
Dynamic each component of mechanism controls successively complete by sequential movements, determines whether it successfully can disconnect and close route, operating mechanism
Undoubtedly the most key part.Operating mechanism can be divided into hydraulic disk spring operating mechanism, all-hydraulic operating mechanism, pneumatic spring behaviour
Motivation structure, spring operating mechanism, electromagnetic operating mechanism and electric operating mechanism etc..Operating mechanism action process needs between each component
Tight fit, the deformation of component, offset all influence the actuating performance of high-voltage circuitbreaker, or even cannot achieve divide-shut brake, thus
The major accident of initiation is commonplace.So the reliability of high-voltage breaker operation mechanism is all to study both at home and abroad all the time
Focus.
Currently, normal to operating mechanism and abnormality differentiation relies primarily on High-voltage Circuit Breaker Mechanical Characteristic Tester,
It concentrates on closing a floodgate with during sub-switching operation, whether detection major mechanical characterisitic parameter meets the requirements.Mechanical parameter mainly includes
Close a floodgate with opening time, combined floodgate and opening velocity, combined floodgate and separating brake synchronism, total kilometres and open away from and disconnect spring number and when
Between etc. parameters.Existing high-voltage switch property test instrument often uses slide wire resistor or photoelectric sensor (light splitting grid and photoelectric coding
Two kinds of device), these types is all made of motion and standstill two parts.When testing the speed, it is respectively arranged in the moving component (moving contact of switch
Or lift lever) and stationary parts (by army cap seat or switch base) on, by the opposite of instrument sample motion component and moving component
Motion process.Need to be equipped with different mounting brackets especially for different high-voltage circuitbreakers, do not require nothing more than moving component and
Stationary parts cooperation will be got well, and kept the pull rod of sensor and the Motion Parallel of switch movable contact and synchronous just accurately measured very much machine
Tool characterisitic parameter, and the installation and removal at scene are all highly difficult, cannot especially install in fuser belt electricity operation.
In addition to this, whether existing High-voltage Circuit Breaker Mechanical Characteristic Tester can only provide mechanical property parameter in qualified range
It is interior, do not have circuit-breaker status evaluation capacity.Therefore, modern power systems rapid development is to high voltage breaker mechanical characteristic testing
Device proposes that new challenge, research and development can be under the High Voltage Circuit Breaker Conditions, and the device of monitoring breaker mechanical property has important
Realistic meaning.
Utility model content
The purpose of this utility model is to realize to carry out the survey of mechanical property parameter during breaker normal breaking-closing operating
Examination provides a kind of mechanical characteristic of high-voltage circuit breaker monitoring system.The utility model can pass through image capture sensor divide-shut brake
Moving component displacement or main axis procedural image in the process, synchronous acquisition vibration signal, divide-shut brake coil current harmony message
Supplemented by number, using image measurement technology and signal analysis method, the mechanical property parameter and identification breaker work of breaker are calculated
Make state.If run mesohigh breaker running parameter it is abnormal, will be worked abnormal instruction by intelligent industrial-control monitor
It is fed back by man-machine interface, and alarm signal is issued by combined aural and visual alarm, remind staff.The present apparatus uses image sensing
Device, the moving components such as the pull rod of contact breaker operating mechanism, main shaft, scene do not use special fixture, vibration, electric current harmony
Sound sensor nor affects on the normal operating of breaker, suitable for the mechanical parameter in the case of the electrification of all kinds of operating mechanism breakers
Detection.
To achieve the above objectives, the present invention adopts the following technical solutions:
A kind of mechanical characteristic of high-voltage circuit breaker monitoring system, which is characterized in that including vibration acceleration sensor, Hall electricity
Flow sensor, sound transducer, imaging sensor, signal-transmitting cable, capture card, intelligent industrial-control monitor, sound-light alarm mould
Block.Vibration acceleration sensor, Hall current sensor, sound transducer, imaging sensor are connected with capture card, capture card with
Intelligent industrial-control monitor is connected, and intelligent industrial-control monitor is connected with combined aural and visual alarm.
The vibration acceleration sensor uses import piezo chips, and DK320 Series Piezoelectric formula acceleration transducer can
Acceleration within measuring from 0.3Hz to the 500g of highest 8kHz, can bear the impact of maximum 10000g, and pedestal has M5 bolt
Hole, for being fastened on magnetic-disc, by magnetic-disc by vibration acceleration sensor be mounted on tested circuit breaker case just on
Face.Piezoelectric acceleration transducer is connected by signal-transmitting cable with capture card.
The Hall current sensor is the CSN array of ring closure current sensor based on magnetoresistance, with Zero flux amount
Method, can measure alternating current and direct current and pulse current, and current sense is up to 1275A, measurement range ± 600A, operating temperature -40
DEG C -80 DEG C, shell is made of ABS mixed plastic.Hall current sensor is connected by signal-transmitting cable with capture card.
The sound transducer is the YAV Z2 noise of high-precision, built-in high speed processor, sound calibration and power supply chip
Sensor, optional measurement range are 35~130dB, frequency range 10Hz~20kHz, are exported as positive and negative 10V oscillator signal, use
Stainless steel material, investigative range is greater than 100 square metres, operating temperature -20~+50 DEG C, relative humidity≤80%, and shell protection is
IP68 grade.Sound transducer is connected by signal-transmitting cable with capture card.
The imaging sensor is the MVS-PM-R visual sensor of Japan OPTEX, comprising: 430K pixel color CCD
Camera lens, 16Mbps data communication double frequency pair cable and support Ethernet, built-in LED illumination and 32G camera memories
Multifunctional controller composition.CCD camera lens is connected with double frequency multiple twin cable, and double frequency multiple twin cable is connected with multifunctional controller, CCD
Vision processor built in camera lens " OPTCPU ", using CS type lens interface, resolution ratio 512*512, multifunctional controller can be same
When connect 3 CCD camera lenses, with I/O extension line interface, CCD camera lens and the dedicated I/F communication interface of multifunctional controller,
RS232C interface, USB interface, digital handoff functionality key, synchronous trigger button and Ethernet interface.Imaging sensor passes through
Ethernet transmission cable is connected with intelligent industrial-control monitor.
The signal-transmitting cable is Phoenix sensor private cable SAC-5P-1, using M12 mixing wiring, number
It is up to 40Gbps according to transmission speed, rated current is up to 150A, voltage rating up to 630V.
The capture card is 24 AD high-accuracy data collection cards of NI USB-4431, supports 4 tunnel simulation inputs (AI)
Simulation output (AO) all the way, synchronized sampling rate 102.4kS/s have DIGITAL I/O&DFI interface.Capture card and intelligent work
Monitor is controlled to be connected.
The intelligent industrial-control monitor touches display by NVIDIA Tegra K1 intelligent industrial-control mainboard, built-in industrial
Screen, professional industrial personal computer CPU red metal radiator and industrial keyboard special are integrated.Industrial control mainboard uses Cortex-A15 processor, plate
Carry 2G DDR3 high-speed internal memory, support the bis- aobvious outputs of 4K HDMI and LCD, reserved 4*UARA, RS232, SATA, PCIE, SPI,
The interfaces such as 12C, CAMEAE, CSI and USB；Display screen uses 17 cun of 5 wire resistive touchscreens of LED liquid crystal MEKT-170VX import,
Resolution ratio 1280*1024, ratio 4: 3, contrast 1000: 1 support the interfaces such as VGA, USB, DC.Intelligent industrial-control monitor and sound
Light alarm module is connected.
The sound and light alarm module is CLB100 combined aural and visual alarm, inside sets adjustable sound prompt and volume, peripheral hardware failure
Alarm gap flashes feux rouges.
Working principle of the utility model is: vibration acceleration sensor is mounted on high-voltage circuitbreaker by magnetic-disc first
Operating mechanism box body front surface, Hall current sensor are mounted on the control loop of divide-shut brake coil current, sound transducer
It is placed in breaker side, is anchored in operating mechanism angle iron base by strong magnet, imaging sensor is pacified by camera support
It on operating mechanism inner shell of a box body, is not contacted with operating mechanism moving component, adjusts camera focus alignment breaker insulation and draw
Vibration acceleration sensor, Hall current sensor and sound transducer are connected to acquisition finally by cable by bar and main shaft
Card input terminal, capture card are connected to the USB interface of intelligent industrial-control monitor by USB cable.Imaging sensor is passed through into standard
Surpass five class cables and is connected to intelligent industrial-control monitor Ethernet interface.
Then, it is software triggering mode that setting imaging sensor, which controls, since high voltage circuit breaker closing coil current acts
Connected Hall current sensor acquisition analog quantity is as trigger source.The continual acquisition vibration signal of intelligent industrial-control monitor,
Current signal and voice signal, and current signal is analyzed in real time, when electric current reaches a certain threshold value, is started by Ethernet and touched
The image capture process of imaging sensor is sent out, while starting USB capture card and the signal of each road sensor is transmitted to intelligent industrial-control
Monitor.
After again, MVS-PM-R visual sensor is moved with acquiring picture signal analysis moving component (insulated pull rod and main shaft)
Displacement draws travel-time curve in conjunction with Image Acquisition frame per second and displacement relation, thus calculate breaker mechanic property stroke,
The parameters such as speed and synchronism, and connect by Ethernet interface with intelligent industrial-control monitor, upload analysis result.Intelligent industrial-control
Monitor will analyze vibration signal, current signal and voice signal, obtain the time and frequency domain characteristics amount of signal, and recording and storage is each
Item data.
Finally, intelligent industrial-control monitor is comprehensive, multi-angular analysis operating mechanism mechanical property parameter and vibration, electric current
With the time and frequency domain characteristics amount of voice signal, the initial parameter comparison that synthesis records when dispatching from the factory differentiates the work of circuit breaker operation mechanism
Whether work is normal, passes through intelligent industrial-control monitor display reminding breaker operation irregularity information if abnormal state, and convey
Alarm command sends warning signal to combined aural and visual alarm.
Detailed description of the invention
Fig. 1 is utility model device schematic diagram；
Fig. 2 is imaging sensor schematic diagram；
Wherein, 1. vibration acceleration sensor, 2. Hall current sensors, 3. sound transducers, 4. imaging sensors, 5.
Signal-transmitting cable, 6. capture cards, 7. intelligent industrial-control monitors, 8. combined aural and visual alarms, 9.CCD camera lens, 10. double frequency multiple twin cables,
11. multifunctional controller 12.I/O extension line interface, 13.I/F communication interface, 14.RS231C interface, 15.USB interface, 16.
Digital handoff functionality key, 17. synchronous trigger buttons, 18. Ethernet interfaces.
Specific embodiment
The utility model is described in further detail with implementation with reference to the accompanying drawing.
A kind of mechanical characteristic of high-voltage circuit breaker monitoring system, by movement portion during image capture sensor breaker actuating
The image of part, the displacement information that analysis moving component occurs in actuating, calculates the mechanical property parameter of this test；Meanwhile
Vibration, electric current and the voice signal during high-voltage circuitbreaker actuating are obtained by capture card, imaging sensor is analyzed into result
Intelligent industrial-control monitor is transmitted to the signal of capture card acquisition.Intelligent industrial-control monitor is with the machine of circuit breaker components displacement movement
Based on tool characterisitic parameter, in conjunction with judging the working condition of breaker supplemented by vibration, electric current and voice signal, and diagnostic result is shown
With record, storage signal.If exception occurs in high-voltage circuitbreaker working condition, alarm command is issued by intelligent industrial-control monitor and is given
Combined aural and visual alarm provides caution signal, is simultaneously emitted by instruction in display interfaces display reminding breaker operation irregularity information, keeps away
Exempt to run under high-voltage circuitbreaker malfunction.
As shown in Figure 1, utility model device includes: vibration acceleration sensor 1, Hall current sensor 2, sound biography
Sensor 3, imaging sensor 4, signal-transmitting cable 5, capture card 6, intelligent industrial-control monitor 7, combined aural and visual alarm 8.Vibration accelerates
It spends sensor 1, Hall current sensor 2, sound transducer 3, imaging sensor 4 and passes through signal-transmitting cable 5 and 6 phase of capture card
Even, capture card 6 is connected with intelligent industrial-control monitor 7, and intelligent industrial-control monitor 7 is connected with combined aural and visual alarm 8.
The use import piezo chips of vibration acceleration sensor 1, DK320 Series Piezoelectric formula acceleration transducer,
Acceleration within can measure from 0.3Hz to the 500g of highest 8kHz, can bear the impact of maximum 10000g, and pedestal has M5 spiral shell
Keyhole is for being mounted on magnetic-disc.Piezoelectric acceleration transducer 1 measures the vibration signal during circuit-breaker switching on-off, leads to
Capture card 6 is crossed, vibration signal is transferred to intelligent industrial-control monitor 7.
The Hall current sensor 2 is the CSN array of ring closure current sensor based on magnetoresistance, with Zero flux amount
Method, can measure alternating current and direct current and pulse current, and current sense is up to 1275A, measurement range ± 600A, operating temperature -40
DEG C -80 DEG C, shell is made of ABS mixed plastic.Hall current sensor 2 measures current signal in on/off switch control coil,
By data acquisition card 6, current signal is transferred to intelligent industrial-control monitor 7.
The sound transducer 3 is the YAV Z2 noise of high-precision, built-in high speed processor, sound calibration and power supply chip
Sensor, optional measurement range are 35~130dB, frequency range 10Hz~20kHz, are exported as positive and negative 10V oscillator signal, use
Stainless steel material, investigative range is greater than 100 square metres, -20 DEG C of operating temperature~50 DEG C, relative humidity≤80%, shell protection
Grade is IP68.Sound transducer 3 measures circuit-breaker switching on-off process sound value, by capture card 6, by transmission of sound signals intelligence
It can industry control monitor 7.
The imaging sensor 4 is Japan's OPTEX, MVS-PM-R visual sensor, comprising: 430K pixel color CCD
Camera lens 9,16Mbps data communication double frequency multiple twin cable 10 and support Ethernet, built-in LED illumination and 32G camera memories
Multifunctional controller 11 forms.CCD camera lens 9 is connected with double frequency multiple twin cable 10, double frequency multiple twin cable 10 and 11 phase of multifunctional controller
Even, vision processor " OPTCPU " built in CCD camera lens 9, using CS type lens interface, resolution ratio 512*512；Multi-functional control
Device 11 can connect 3 CCD camera lenses 9 simultaneously, logical with I/O extension line interface 12, CCD camera lens and the dedicated I/F of multifunctional controller
Letter interface 13, RS232C interface 14, usb 15, digital handoff functionality key 16, synchronous trigger button 17 and Ethernet connect
Mouth 18.Imaging sensor is connected by signal-transmitting cable with capture card.Imaging sensor surpasses five class cables and intelligence by standard
The network interface of energy industry control monitor 7 is connected.
The signal-transmitting cable 5 is Phoenix sensor private cable-SAC-5P-1, using M12 mixing wiring,
Data transmission bauds is up to 40Gbps, and rated current is up to 150A, voltage rating up to 630V.
The capture card 6 is NI USB-443124 AD high-accuracy data collection card, supports 4 tunnel simulation inputs (AI)
Simulation output (AO) all the way, synchronized sampling rate 102.4kS/s have DIGITAL I/O&DFI interface.Capture card 6 will sense
Device signal is transferred to intelligent industrial-control monitor 7 by standard USB cable.
The intelligent industrial-control monitor 7 touches display by NVIDIA Tegra K1 intelligent industrial-control mainboard, built-in industrial
Screen, professional industrial personal computer CPU, red metal radiator and industrial keyboard special are integrated.Industrial control mainboard uses Cortex-A15 processor, plate
Carry 2G DDR3 high-speed internal memory, support the bis- aobvious outputs of 4K HDMI and LCD, reserved 4*UARA, RS232, SATA, PCIE, SPI,
The interfaces such as 12C, CAMEAE, CSI, USB and Ethernet；Display screen uses 17 cun of 5 line resistances of LED liquid crystal MEKT-170VX import
Touch screen, resolution ratio 1280*1024, ratio 4: 3, contrast 1000: 1 support the interfaces such as VGA, USB, DC.Intelligent industrial-control prison
Instrument 7 is surveyed to be connected with sound and light alarm module 8.
The sound and light alarm module 8 is CLB100 combined aural and visual alarm, inside sets adjustable sound prompt and volume, peripheral hardware failure
Alarm gap flashes feux rouges.When working state of circuit breaker exception, intelligent industrial-control monitor 7 detects that breaker operation mechanism exists
Vibration signal, divide-shut brake coil current signal, voice signal and the insulated pull rod of divide-shut brake process or main shaft picture signal
Variation.Pass through intelligent industrial-control monitor display reminding breaker operation irregularity information if abnormal state, while giving acousto-optic report
Alert device assigns fault alarm order, reminds staff.
Claims (9)
1. a kind of mechanical characteristic of high-voltage circuit breaker monitors system characterized by comprising vibration acceleration sensor, Hall electricity
Flow sensor, sound transducer, imaging sensor, signal-transmitting cable, capture card, intelligent industrial-control monitor, sound-light alarm mould
Block；Wherein vibration acceleration sensor, Hall current sensor, sound transducer are connected with capture card, capture card and intelligent work
It controls monitor to be connected, imaging sensor is connected with intelligent industrial-control monitor, and intelligent industrial-control monitor is connected with combined aural and visual alarm.
2. a kind of mechanical characteristic of high-voltage circuit breaker according to claim 1 monitors system, it is characterised in that: the vibration
Acceleration transducer uses import piezo chips, and DK320 Series Piezoelectric formula acceleration transducer can measure from 0.3Hz to highest
Acceleration within the 500g of 8kHz, can bear the impact of maximum 10000g, and pedestal has M5 bolt hole.
3. a kind of mechanical characteristic of high-voltage circuit breaker according to claim 1 monitors system, it is characterised in that: the Hall
Current sensor is the CSN array of ring closure current sensor based on magnetoresistance, in Zero flux amount method, can measure exchange,
Direct current and pulse current, current sense are up to 1275A, measurement range ± 600A, and -40 DEG C -80 DEG C of operating temperature, shell uses
ABS mixed plastic is made.
4. a kind of mechanical characteristic of high-voltage circuit breaker according to claim 1 monitors system, it is characterised in that: the sound
Sensor is the YAV Z2 noise transducer of high-precision, built-in high speed processor, sound calibration and power supply chip, optional measurement range
It is 35~130dB, frequency range 10Hz~20kHz, exports as positive and negative 10V oscillator signal, using stainless steel material, investigative range
Greater than 100 square metres, -20 DEG C of operating temperature~50 DEG C, relative humidity≤80%, shell protection grade is IP68.
5. a kind of mechanical characteristic of high-voltage circuit breaker according to claim 1 monitors system, it is characterised in that: the image
Sensor is Japan's OPTEX, MVS-PM-R visual sensor, comprising: 430K pixel color CCD camera lens, 16Mbps data communication
Double frequency multiple twin cable and support the multifunctional controller composition of Ethernet, built-in LED illumination and 32G camera memories；CCD mirror
Head is connected with the double glue cables of double frequency, and double frequency multiple twin cable is connected with multifunctional controller, vision processor built in CCD camera lens
" OPTCPU ", using CS type lens interface, resolution ratio 512*512, multifunctional controller can connect 3 CCD camera lenses, band simultaneously
There are I/O extension line interface, CCD camera lens and the dedicated I/F communication interface of multifunctional controller, RS232C interface, USB interface, number
Handoff functionality key, synchronous trigger button and Ethernet interface.
6. a kind of mechanical characteristic of high-voltage circuit breaker according to claim 1 monitors system, it is characterised in that: the signal
Transmission cable is Phoenix sensor private cable SAC-5P-1, and using M12 mixing wiring, data transmission bauds is up to
40Gbps, rated current is up to 150A, voltage rating up to 630V.
7. a kind of mechanical characteristic of high-voltage circuit breaker according to claim 1 monitors system, it is characterised in that: the acquisition
Card is 24 AD high-accuracy data collection cards of NI USB-4431, supports 4 tunnel simulation inputs (AI) and all the way simulation output (AO),
Synchronized sampling rate 102.4kS/s has DIGITAL I/O&DFI interface.
8. a kind of mechanical characteristic of high-voltage circuit breaker according to claim 1 monitors system, it is characterised in that: the intelligence
Industry control monitor is by NVIDIA Tegra K1 intelligent industrial-control mainboard, built-in industrial touch display screen, professional industrial personal computer CPU, red
Copper radiator and industrial keyboard special are integrated；Industrial control mainboard use Cortex-A15 processor, onboard 2G DDR3 high-speed internal memory,
Support the bis- aobvious outputs of 4K HDMI and LCD, reserved 4*UARA, RS232, SATA, PCIE, SPI, 12C, CAMEAE, CSI, USB and
The interfaces such as Ethernet；Display screen uses 17 cun of 5 wire resistive touchscreens of LED liquid crystal MEKT-170VX import, resolution ratio 1280*
1024, ratio 4: 3, contrast 1000: 1 supports the interfaces such as VGA, USB, DC.
9. a kind of mechanical characteristic of high-voltage circuit breaker according to claim 1 monitors system, it is characterised in that: the acousto-optic
Alarm module is CLB100 combined aural and visual alarm, inside sets adjustable sound prompt and volume, and peripheral hardware fault alarm gap flashes feux rouges.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820088014.7U CN208636401U (en) | 2018-01-19 | 2018-01-19 | A kind of mechanical characteristic of high-voltage circuit breaker monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820088014.7U CN208636401U (en) | 2018-01-19 | 2018-01-19 | A kind of mechanical characteristic of high-voltage circuit breaker monitoring system |
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| CN208636401U true CN208636401U (en) | 2019-03-22 |
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| CN201820088014.7U Expired - Fee Related CN208636401U (en) | 2018-01-19 | 2018-01-19 | A kind of mechanical characteristic of high-voltage circuit breaker monitoring system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164380A (en) * | 2018-09-07 | 2019-01-08 | 广西电网有限责任公司电力科学研究院 | A kind of mechanical state of high-voltage circuit breaker on-line monitoring and fault identification device |
| CN110426192A (en) * | 2019-08-14 | 2019-11-08 | 南方电网科学研究院有限责任公司 | A kind of the acoustic fingerprints detection system and method for breaker |
| CN110702401A (en) * | 2019-11-15 | 2020-01-17 | 广州供电局有限公司 | 10kV circuit breaker mechanical characteristic on-line monitoring device based on acceleration sensor |
| CN111044272A (en) * | 2019-11-14 | 2020-04-21 | 国网浙江省电力有限公司嘉兴供电公司 | High-voltage circuit breaker mechanical characteristic test method and device based on big data technology |
| CN112683514A (en) * | 2020-12-31 | 2021-04-20 | 国网河南省电力公司检修公司 | Circuit breaker mechanical characteristic testing method and device based on sound wave signals |
| CN114047438A (en) * | 2021-11-12 | 2022-02-15 | 中国南方电网有限责任公司超高压输电公司广州局 | State identification method, system and device for circuit breaker operating mechanism and electronic equipment |
| CN114646351A (en) * | 2022-03-28 | 2022-06-21 | 广东电网有限责任公司 | Multi-dimensional comprehensive breaker fault feature analysis method and device |
| CN115061038A (en) * | 2022-06-22 | 2022-09-16 | 云南电网有限责任公司电力科学研究院 | Circuit breaker opening and closing coil state evaluation system and method |
| CN116626544A (en) * | 2023-07-26 | 2023-08-22 | 武汉能钠智能装备技术股份有限公司 | Frequency domain trigger data acquisition system and method |
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2018
- 2018-01-19 CN CN201820088014.7U patent/CN208636401U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164380A (en) * | 2018-09-07 | 2019-01-08 | 广西电网有限责任公司电力科学研究院 | A kind of mechanical state of high-voltage circuit breaker on-line monitoring and fault identification device |
| CN110426192A (en) * | 2019-08-14 | 2019-11-08 | 南方电网科学研究院有限责任公司 | A kind of the acoustic fingerprints detection system and method for breaker |
| CN111044272A (en) * | 2019-11-14 | 2020-04-21 | 国网浙江省电力有限公司嘉兴供电公司 | High-voltage circuit breaker mechanical characteristic test method and device based on big data technology |
| CN111044272B (en) * | 2019-11-14 | 2022-03-15 | 国网浙江省电力有限公司嘉兴供电公司 | High-voltage circuit breaker mechanical characteristic test method and device based on big data technology |
| CN110702401A (en) * | 2019-11-15 | 2020-01-17 | 广州供电局有限公司 | 10kV circuit breaker mechanical characteristic on-line monitoring device based on acceleration sensor |
| CN112683514A (en) * | 2020-12-31 | 2021-04-20 | 国网河南省电力公司检修公司 | Circuit breaker mechanical characteristic testing method and device based on sound wave signals |
| CN114047438A (en) * | 2021-11-12 | 2022-02-15 | 中国南方电网有限责任公司超高压输电公司广州局 | State identification method, system and device for circuit breaker operating mechanism and electronic equipment |
| CN114646351A (en) * | 2022-03-28 | 2022-06-21 | 广东电网有限责任公司 | Multi-dimensional comprehensive breaker fault feature analysis method and device |
| CN114646351B (en) * | 2022-03-28 | 2024-02-23 | 广东电网有限责任公司 | Multi-dimensional comprehensive breaker fault characteristic analysis method and device |
| CN115061038A (en) * | 2022-06-22 | 2022-09-16 | 云南电网有限责任公司电力科学研究院 | Circuit breaker opening and closing coil state evaluation system and method |
| CN116626544A (en) * | 2023-07-26 | 2023-08-22 | 武汉能钠智能装备技术股份有限公司 | Frequency domain trigger data acquisition system and method |
| CN116626544B (en) * | 2023-07-26 | 2023-12-26 | 武汉能钠智能装备技术股份有限公司 | Frequency domain trigger data acquisition system and method |
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