CN205619953U - A multiple signal synchronization collection system for high voltage circuit breaker operating characteristic test - Google Patents
A multiple signal synchronization collection system for high voltage circuit breaker operating characteristic test Download PDFInfo
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- CN205619953U CN205619953U CN201620045164.0U CN201620045164U CN205619953U CN 205619953 U CN205619953 U CN 205619953U CN 201620045164 U CN201620045164 U CN 201620045164U CN 205619953 U CN205619953 U CN 205619953U
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Abstract
The utility model discloses a multiple signal synchronization collection system for high voltage circuit breaker operating characteristic test, including junction box, the dynamic signal capture card of answering force transducer, CCD sensor, industry LED intense light source array, acceleration sensor, hall current sensor, fall little sound monitor of making an uproar, connect sensor and capture card to reach circuit breaker operating power and sensor power supply, various signal conditioning module. The device synchronous sampling to stress, image, vibration, sound and electric signal transmission carry out analysis and diagnosis for the host computer. The utility model discloses utilize multiple signal transducer and dynamic signal capture card, multiple signal among the synchronous sampling circuit breaker test procedure, avoid sensor installation in the past complicated, take time, measurement accuracy is not high, gathers the single drawback of signal, provides accurate original data for follow -up work.
Description
Technical field
The utility model relates to detection and the fault diagnosis field of power equipment, particularly relates to a kind of harvester for the multi-signal needed for high voltage breaker mechanical characteristic testing.
Background technology
Primary cut-out is as control important in power system and protection device, and its operation, maintenance and maintenance situation are closely related with whole Power System Reliability.Breaker mechanical state and failure mode identification are constantly studied by Chinese scholars, but still the rule between the internal fault of breaker and its external feature is lacked at present and understand systematicly, deep not enough to the association study between mechanical movement characteristic in breaker energy storage, operating mechanism exception and actuating, the mechanism its fault occurs, developing is not also fully aware of.For meeting the requirement of modern electric development, needing to carry out primary cut-out fault diagnosis, the various signals that wherein the main means using i.e. gather generation in breaker running are analyzed.
The Changeement at present breaker operation mechanism characteristic parameter occurring is not deep enough, and tracing it to its cause is prior art and analysis method is limited to.Current method of testing all uses touch sensor, such as traditional line displacement, photoelectric coding straight line and angular transducer, different model high-voltage switch gear needs to be equipped with different fixture and installs, and complexity, time-consuming is installed, not only can impact to breaker is properly functioning, and certainty of measurement can be affected equally.And owing to primary cut-out row process is of short duration, number of run is few, the signal kinds that some test devices are gathered is single, and the signal being gathered is difficult to accomplish Synchronization Analysis.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides the system and device of a kind of synchronous acquisition multi-signal, including stress, image, vibration, sound wave and the signal of telecommunication, has better stability, compared with strong adaptability, perfect in shape and function.
The described multi-signal synchronous acquisition device for the test of primary cut-out acting characteristic, it is characterized in that including: the junction box of the strain gauge of collection stress information, the ccd sensor of collection image information, the industrial LED intense light source array coordinating ccd sensor, the acceleration transducer gathering vibration signal, the Hall current sensor gathering current signal, the noise reduction microphony monitor of collected sound signal, connection sensor and capture card, dynamic synchronization data acquisition card, and circuitbreaker control power supply and probe power, various Signal-regulated kinase.Strain gauge, acceleration transducer, noise reduction microphony monitor are connected with respective Signal-regulated kinase respectively, and access dynamic synchronization data acquisition card by junction box, Hall current sensor accesses dynamic acquisition card, ccd sensor is connected with host computer by its own system, synchronization module is connected with all the sensors and dynamic synchronization data acquisition card simultaneously, and dynamic synchronization data acquisition card is connected with host computer.
The design further that described multi-signal adopts synchronization acquisition means is, the aviation socket of described junction box's front panel, realize sensor and the connection of junction box's internal wiring, 6 aviation sockets are respectively closing coil 1 tunnel, switching winding 2 tunnel, sound wave the 1st, sound wave and the 2nd, vibrate and strain gauge input, and a reserved aviation socket is trigger button.Junction box is internal contains multiple-channel output industry control power supply, provides excitation for sensor.Junction box is backed with the socket being connected to capture card, and socket can be accessed by 8 road signals, is realized the input of signal by sensor wire case.
The design further of described multi-signal synchronous acquisition device is, the rising edging trigger of coil current when described dynamic synchronization data acquisition card uses circuit-breaker switching on-off, it is achieved the time synchronized of sound, vibration, stress, image and current signal；The design further of described multi-signal synchronous acquisition device is, the auxiliary equipment of described ccd sensor is industry LED intense light source array.
Having the beneficial effects that of the utility model device: the utility model utilizes multi-signal sensor and dynamic synchronization data acquisition card, multi-signal in synchronous acquisition breaker test process, avoid conventional sensor install complicated, time-consuming, certainty of measurement is not high, gather the single drawback of signal, provide initial data accurately for follow-up work.
Brief description
Fig. 1 is the structural schematic block diagram of the utility model device；
Fig. 2 is the schematic diagram of described junction box's front panel；
Fig. 3 is the schematic diagram of described junction box's back panel.
Detailed description of the invention
Comparison Fig. 1, multi-signal harvester of the present utility model is mainly made up of the strain gauge gathering stress information, the ccd sensor gathering image information, the industrial LED intense light source array coordinating ccd sensor, the acceleration transducer gathering vibration signal, the junction box gathering the Hall current sensor of current signal, the noise reduction microphony monitor of collected sound signal, connection sensor and capture card, dynamic synchronization data acquisition card, and circuitbreaker control power supply and probe power, various signal processing module.
The stress signal of breaker operation mechanism critical component is measured by described strain gauge.
High-speed moving object is produced reflection light by the irradiation of nature light or human assistance houselights, or moving target itself is luminous, and a part for these light is through the image-forming objective lens of high speed imaging system.After object lens imaging, fall on the picture sense face of photoelectronic imaging device, the photoelectric device of circuit driven control, quickly can respond to as the target picture on sense face, i.e. according to target on picture sense face as the distribution of light energy, produce the charge packet of response magnitude at the i.e. pixel of each sampled point, complete the opto-electronic conversion of image.Each charge packet with image information is transported rapidly in readout register.Read output signal transmits after signal processing to host computer, is carried out reading by host computer to image and shows and interpretation, and exports result.
Sound, shake, stress, the signal of telecommunication each road input signal is all to be buffered simultaneously, amplifies, simulation is filtered, and is performed the digital filtering of cut-off frequencies by 24 sampling with high precision analog-digital converters, automatically adjusts the sample rate of a software programmable.High-resolution provides the accuracy of necessity so that selected Dynamic Data Acquiring card well adapts to audio frequency, vibration and stress analysis application program.The capture card of this integrated high accuracy modulation analog-to-digital conversion device, keeps low noise and distortion while having outstanding phase linearity.In addition, this kind of analog-to-digital conversion device can make capture card exempt the distortion of the DNL being associated with traditional data collecting device.
The rising edging trigger dynamic synchronization data acquisition card of coil current when using circuit-breaker switching on-off.According to actual needs, closing coil is that current signal is assigned with a passage, and switching winding is two signalling channels.In combined floodgate test process, first setting a trigger value, when the current signal collecting reaches this trigger value, capture card starts to gather signal.And in separating brake test, for ensureing accuracy, needing the current signal of two passages to trigger simultaneously, any one current signal reaches trigger value, and capture card is started working.
During multi signal harvester of the present utility model work, rationally place sound transducer and acceleration transducer at proximity to circuit breakers, current sensor is installed on divide-shut brake coil, its coil winding-direction, ensure that current signal is consistent with the trigger current sense of setting, adjusting external light source and camera focus, the picture signal making acquisition is clear, places strain gauge on operating mechanism critical component.Identical sample frequency is arranged to sound, vibration, stress and current signal, suitable frame per second is set to camera.Utilize current signal rising edge to trigger, make breaker start action, by the operating mechanism running orbit that image signal acquisition is complete.Automatic searching release point, as signal synchronous point, reversely makes time synchronized according to sample frequency and camera frame per second until operating mechanism start time.Terminating to whole operating process, image in primary cut-out running, stress, sound, vibration be all measured with the signal of telecommunication and record, is used for follow-up state analysis and fault diagnosis.
Claims (4)
1. the multi-signal synchronous acquisition device for the test of primary cut-out acting characteristic, it is characterized in that including: the junction box of the strain gauge of collection stress information, the ccd sensor of collection image information, the industrial LED intense light source array coordinating ccd sensor, the acceleration transducer gathering vibration signal, the Hall current sensor gathering current signal, the noise reduction microphony monitor of collected sound signal, connection sensor and capture card, dynamic signal acquisition card, and circuitbreaker control power supply and probe power, various Signal-regulated kinase；Strain gauge, acceleration transducer, noise reduction microphony monitor are connected with respective Signal-regulated kinase respectively, access dynamic signal acquisition card by junction box, Hall current sensor is connected with dynamic acquisition card, ccd sensor is connected with host computer by its own system, synchronization module is connected with all the sensors and dynamic signal acquisition card simultaneously, and dynamic signal acquisition card is connected with host computer.
2. as claimed in claim 1 a kind of for primary cut-out acting characteristic test multi-signal synchronous acquisition device, it is characterized in that 6 aviation sockets of described junction box's front panel are respectively closing coil 1 tunnel, switching winding 2 tunnel, sound wave the 1st, sound wave and the 2nd, vibrates and strain gauge input, and to reserve an aviation socket be trigger button；Junction box is internal contains multiple-channel output industry control power supply, provides excitation for sensor；Junction box is backed with the socket being connected to capture card, and socket can be accessed by 8 road signals.
3. as claimed in claim 1 a kind of for primary cut-out acting characteristic test multi-signal synchronous acquisition device, it is characterised in that the rising edging trigger of coil current when described dynamic signal acquisition card trigger mechanism is circuit-breaker switching on-off.
4. as claimed in claim 1 a kind of for primary cut-out acting characteristic test multi-signal synchronous acquisition device, it is characterised in that the auxiliary equipment of described ccd sensor for industry LED intense light source array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620045164.0U CN205619953U (en) | 2016-01-19 | 2016-01-19 | A multiple signal synchronization collection system for high voltage circuit breaker operating characteristic test |
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| CN201620045164.0U CN205619953U (en) | 2016-01-19 | 2016-01-19 | A multiple signal synchronization collection system for high voltage circuit breaker operating characteristic test |
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| CN201620045164.0U Expired - Fee Related CN205619953U (en) | 2016-01-19 | 2016-01-19 | A multiple signal synchronization collection system for high voltage circuit breaker operating characteristic test |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593282A (en) * | 2018-07-05 | 2018-09-28 | 国网安徽省电力有限公司培训中心 | A kind of breaker on-line monitoring and fault diagonosing device and its working method |
| 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 |
| CN109164381A (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 method and device |
| CN110426192A (en) * | 2019-08-14 | 2019-11-08 | 南方电网科学研究院有限责任公司 | Acoustic fingerprint detection system and method for circuit breaker |
| CN110687444A (en) * | 2019-11-07 | 2020-01-14 | 广东电网有限责任公司 | Device and method for testing switching-on and switching-off average speed of 10kV vacuum circuit 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 |
| CN111965531A (en) * | 2020-07-15 | 2020-11-20 | 广西电网有限责任公司电力科学研究院 | High-voltage circuit breaker on-line monitoring and evaluating system based on multi-signal acquisition |
| CN113298849A (en) * | 2021-05-12 | 2021-08-24 | 北京工业大学 | Portable sound-light detection system for operating state of spring operating mechanism of circuit breaker |
-
2016
- 2016-01-19 CN CN201620045164.0U patent/CN205619953U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593282A (en) * | 2018-07-05 | 2018-09-28 | 国网安徽省电力有限公司培训中心 | A kind of breaker on-line monitoring and fault diagonosing device and its working method |
| 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 |
| CN109164381A (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 method and device |
| CN110426192A (en) * | 2019-08-14 | 2019-11-08 | 南方电网科学研究院有限责任公司 | Acoustic fingerprint detection system and method for circuit breaker |
| CN110687444A (en) * | 2019-11-07 | 2020-01-14 | 广东电网有限责任公司 | Device and method for testing switching-on and switching-off average speed of 10kV vacuum circuit 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 |
| CN111965531A (en) * | 2020-07-15 | 2020-11-20 | 广西电网有限责任公司电力科学研究院 | High-voltage circuit breaker on-line monitoring and evaluating system based on multi-signal acquisition |
| CN113298849A (en) * | 2021-05-12 | 2021-08-24 | 北京工业大学 | Portable sound-light detection system for operating state of spring operating mechanism of circuit breaker |
| CN113298849B (en) * | 2021-05-12 | 2024-05-24 | 北京工业大学 | Portable breaker spring operating mechanism running state acousto-optic detection system |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20170119 |