CN205353285U - Photoelectricity measurement system's fault detection device under impulse voltage - Google Patents
Photoelectricity measurement system's fault detection device under impulse voltage Download PDFInfo
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- CN205353285U CN205353285U CN201620073987.4U CN201620073987U CN205353285U CN 205353285 U CN205353285 U CN 205353285U CN 201620073987 U CN201620073987 U CN 201620073987U CN 205353285 U CN205353285 U CN 205353285U
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- speed camera
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- current sensor
- photoeletric measuring
- flow sensor
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Abstract
The embodiment of the utility model discloses photoelectricity measurement system's fault detection device under impulse voltage, the first high -frequency pulse current sensor, second high frequency pulse current sensor and third high frequency pulse current sensor concatenate respectively between a highspeed camera and impulse generator, the 2nd highspeed camera and impulse generator and the 3rd highspeed camera and impulse generator, piezoelectric sensor respectively with photoelectricity measurement system's divider and faller electric connection, the treater is connected with the first high -frequency pulse current sensor, second high frequency pulse current sensor, third high frequency pulse current sensor and piezoelectric sensor electricity respectively. The embodiment of the utility model provides a photoelectricity measurement system's fault detection device under impulse voltage compares prior art, and easy operation is convenient, can in time high -efficiently detect the trouble that exists in the photoelectric measurement, has effectively ensured electrical equipment's safe operation.
Description
Technical field
This utility model relates to electrical equipment malfunction detection field, particularly relates to the failure detector of photoeletric measuring system under a kind of surge voltage.
Background technology
Surge voltage has amplitude height, persistent period short feature, can produce great current energy in moment, more more sensitive than power-frequency voltage for some defect in power system.Therefore, under surge voltage, carry out measurement of partial discharge, for finding inside electric appliance hidden danger in time, better assuring that electrical equipment safe operation has very important significance.
In prior art, to carrying out measurement of partial discharge under surge voltage, realize mainly by photoeletric measuring system.Photoeletric measuring system produces surge voltage typically via needle plate electrode, and utilizes this surge voltage to measure the security performance of electrical equipment.
At present, owing to the security performance of electrical equipment is carried out the technology of measurement of partial discharge still in the laboratory research stage by application surge voltage, apply the photoeletric measuring system that this technology carries out detecting and be also not as ripe, particularly to the Partial Discharge Measurement System under the on-the-spot surge voltage that can synchronize, not yet find well this measurement system to be carried out the device of fault detect.Once this measurement system exists fault, well inside electric appliance hidden danger examination can not be carried out again, the properly functioning of electrical equipment huge potential safety hazard will be buried.Therefore, it is necessary to the failure condition for the photoeletric measuring system under surge voltage carries out efficient detection more in time, to ensure the safe operation of electrical equipment better.
Utility model content
This utility model embodiment provides the failure detector of photoeletric measuring system under a kind of surge voltage, to solve prior art lacks, for the fault existed in photoeletric measuring system under surge voltage, the device effectively carrying out detecting, when there is fault in this photoeletric measuring system, still apply it electrical equipment is detected, cause the problem that electrical equipment operationally exists bigger potential safety hazard.
In order to solve above-mentioned technical problem, this utility model embodiment discloses following technical scheme:
The failure detector of photoeletric measuring system under a kind of surge voltage disclosed in this utility model, including the first high-speed camera, the second high-speed camera, the 3rd high-speed camera, the first high-frequency electrical pulses flow sensor, the second high-frequency electrical pulses flow sensor, the 3rd high frequency pulses of current sensor, piezoelectric transducer and processor, wherein, the first high-speed camera, the second high-speed camera and the 3rd high-speed camera electrically connect with corresponding and with photoeletric measuring system the pulse generator of cavity that seals of photoeletric measuring system respectively；First high-frequency electrical pulses flow sensor, the second high-frequency electrical pulses flow sensor and the 3rd high frequency pulses of current sensor is serially connected between the first high-speed camera and pulse generator respectively, between the second high-speed camera and pulse generator and between the 3rd high-speed camera and pulse generator；Piezoelectric transducer electrically connects with the potentiometer of photoeletric measuring system and needle plate electrode respectively；Processor electrically connects with the first high-frequency electrical pulses flow sensor, the second high-frequency electrical pulses flow sensor, the 3rd high frequency pulses of current sensor and piezoelectric transducer respectively.
Preferably, the failure detector of photoeletric measuring system under this surge voltage, also include spectroscope, spectroscope is separately positioned on the first high-speed camera and seals cavity, the second high-speed camera and seal cavity and the 3rd high-speed camera and seal between cavity.
Preferably, the failure detector of photoeletric measuring system under this surge voltage, also include image light and increase pipe, image light increases corresponding with needle plate electrode and with photoeletric measuring system the oscillograph of pipe and electrically connects.
Preferably, the failure detector of photoeletric measuring system under this surge voltage, also include screened room, screened room is wrapped in the oscillograph periphery of the first high-speed camera, the second high-speed camera, the 3rd high-speed camera, pulse generator and photoeletric measuring system respectively.
From above technical scheme, the failure detector of photoeletric measuring system under the surge voltage that this utility model embodiment provides, by arranging the first high-speed camera, the second high-speed camera, the 3rd high-speed camera, the first high-frequency electrical pulses flow sensor, the second high-frequency electrical pulses flow sensor, the 3rd high frequency pulses of current sensor and piezoelectric transducer, the detection of photoeletric measuring system is simple to operation, efficiently the fault existed in photoelectric measurement can be detected in time, the effective guarantee safe operation of electrical equipment.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, for those of ordinary skills, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the failure detector of photoeletric measuring system under a kind of surge voltage that Fig. 1 provides for this utility model embodiment；
Symbol table is shown as:
1-the first high-frequency electrical pulses flow sensor, 2-pulse generator, 3-processor, 4-the second high-frequency electrical pulses flow sensor, 5-screened room, 6-the 3rd high frequency pulses of current sensor, 7-the first high-speed camera, 8-the second high-speed camera, 9-seals cavity, 10-needle plate electrode, 11-laboratory, 12-piezoelectric transducer, 13-potentiometer, 14-the 3rd high-speed camera, 15-spectroscope, 16-image light increases pipe, 17-oscillograph.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical scheme in this utility model, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, all should belong to the scope of this utility model protection.
Referring to Fig. 1, for the structural representation of the failure detector of photoeletric measuring system under a kind of surge voltage that this utility model embodiment provides.The failure detector of photoeletric measuring system under surge voltage disclosed in this utility model, including the first high-speed camera 7, second high-speed camera 8, 3rd high-speed camera 14, first high-frequency electrical pulses flow sensor 1, second high-frequency electrical pulses flow sensor 4, 3rd high frequency pulses of current sensor 6, piezoelectric transducer 12 and processor 3, wherein, this first high-speed camera 7, second high-speed camera 8 and the 3rd high-speed camera 14 are corresponding with the sealing cavity 9 on laboratory 11 in photoimpact measurement system respectively, namely high-speed camera is corresponding with the position sealing cavity 9, especially, seal cavity 9 can be structure as a whole or for distinguishing the different sealing cavity 9 of corresponding high-speed camera.And the pulse generator 2 that this first high-speed camera 7, second high-speed camera 8 and the 3rd high-speed camera 14 measure system with photoimpact respectively electrically connects, so provided pulse signal by pulse generator 2, making this first high-speed camera 7, second high-speed camera 8 and the 3rd high-speed camera 14 can pass through corresponding sealing cavity 9, the discharge scenario of the needle plate electrode 10 being pointed in laboratory 11 is continuously shot.So when insulator is breakdown, this first high-speed camera 7, second high-speed camera 8 and the 3rd high-speed camera 14 can catch discharge process from different perspectives, and are simultaneously transmit to high definition psec image fast imaging system.
This the first high-frequency electrical pulses flow sensor 1 is arranged between the first high-speed camera 7 and pulse generator 2, second high-frequency electrical pulses flow sensor 4 is arranged on the second high-speed camera 8 and pulse generator 2, 3rd high frequency pulses of current sensor 6 is arranged between the 3rd high-speed camera 14 and pulse generator 2, and this first high-frequency electrical pulses flow sensor 1 electrically connects with the first high-speed camera 7 and pulse generator 2 respectively, this the second high-frequency electrical pulses flow sensor 4 electrically connects with the second high-speed camera 8 and pulse generator 2 respectively, 3rd high frequency pulses of current sensor 6 electrically connects with the 3rd high-speed camera 14 and pulse generator 2 respectively.
This piezoelectric transducer 12 electrically connects with the potentiometer 13 of photoeletric measuring system and needle plate electrode 10 respectively, for detecting potentiometer 13 and the performance of needle plate electrode 10.Processor 3 electrically connects with this first high-frequency electrical pulses flow sensor the 1, second high-frequency electrical pulses flow sensor the 4, the 3rd high frequency pulses of current sensor 6 and piezoelectric transducer 12 respectively, for receiving detection information, and detection information is shown, in order to monitoring personnel can grasp whether system exists local defect in time.
Further, in order to become apparent from exactly needle plate electrode 10 being shot, the failure detector of photoeletric measuring system under the surge voltage that this utility model provides, also include spectroscope 15 or image light increases pipe 16, wherein, spectroscope 15 can be arranged on the first high-speed camera 7 and seal between cavity 9, can also be arranged on the second high-speed camera 8 and seal between cavity 9 or be arranged on the 3rd high-speed camera 14 and seal between cavity 9；Image light increasing pipe 16 electrically connects with the oscillograph 17 of photoeletric measuring system and the position of this image light increasing pipe 16 is corresponding with the position of the needle plate electrode 10 being positioned at laboratory 11.Furthermore it is also possible to respectively at this first high-speed camera the 7, second high-speed camera the 8, the 3rd high-speed camera 14 and pulse generator 2 and oscillograph 17 arranged outside screened room 5, so that the interference phenomenon that other signals of telecommunication cause can be isolated better.
Under the surge voltage that this utility model embodiment provides, the failure detector of photoeletric measuring system is in use, discharged by needle plate electrode 10, first high-speed camera 7, second high-speed camera 8 and the 3rd high-speed camera 14 are continuously shot respectively from different perspectives, and then utilize the first high-frequency electrical pulses flow sensor 1, second high-frequency electrical pulses flow sensor 4, 3rd high frequency pulses of current sensor 6 is respectively to the first high-speed camera 7, second high-speed camera 8, 3rd high-speed camera 14, pulse generator 2, oscillograph 17 and image light increase pipe 16 and carry out performance detection, simultaneously, piezoelectric transducer 12 is utilized respectively potentiometer 13 and needle plate electrode 10 to be carried out performance detection, and testing result real-time Transmission is displayed to processor 3, system exception phenomenon is found in time for technical staff, and overhaul in time.
So, utilize under surge voltage disclosed in this utility model embodiment the failure detector of photoeletric measuring system to system failure detection, simple to operation, workload and repair time that fault overhauled by technical staff the safe operation of energy effective guarantee electrical equipment are greatly reduced.
It should be noted that, in this article, the such as relational terms of " first " and " second " or the like is used merely to make a distinction an entity and another entity, and not necessarily requires or imply the relation that there is any this reality between these entities or order.And, term " includes " being intended to comprising of nonexcludability, so that the equipment including a series of key element not only includes those key elements, but also includes other key elements being not expressly set out, or also includes the key element intrinsic for this equipment.When there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in the equipment including described key element.
The above is only detailed description of the invention of the present utility model, makes to skilled artisans appreciate that or realize this utility model.The multiple amendment of these embodiments be will be apparent to one skilled in the art, and generic principles defined herein when without departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (4)
1. the failure detector of photoeletric measuring system under a surge voltage, it is characterized in that, including the first high-speed camera (7), the second high-speed camera (8), the 3rd high-speed camera (14), the first high-frequency electrical pulses flow sensor (1), the second high-frequency electrical pulses flow sensor (4), the 3rd high frequency pulses of current sensor (6), piezoelectric transducer (12) and processor (3), wherein
Described first high-speed camera (7), the second high-speed camera (8) and the 3rd high-speed camera (14) corresponding with the sealing cavity (9) of photoeletric measuring system and with photoeletric measuring system pulse generator (2) respectively electrically connects；
Described first high-frequency electrical pulses flow sensor (1), the second high-frequency electrical pulses flow sensor (4) and the 3rd high frequency pulses of current sensor (6) is serially connected between described first high-speed camera (7) and described pulse generator (2) respectively, between the second high-speed camera (8) and described pulse generator (2) and between the 3rd high-speed camera (14) and described pulse generator (2)；
Described piezoelectric transducer (12) electrically connects with the potentiometer (13) of photoeletric measuring system and needle plate electrode (10) respectively；
Described processor (3) electrically connects with described first high-frequency electrical pulses flow sensor (1), the second high-frequency electrical pulses flow sensor (4), the 3rd high frequency pulses of current sensor (6) and piezoelectric transducer (12) respectively.
2. the failure detector of photoeletric measuring system under surge voltage according to claim 1, it is characterized in that, also including spectroscope (15), described spectroscope (15) is separately positioned between described first high-speed camera (7) and described sealing cavity (9), between described second high-speed camera (8) and described sealing cavity (9) and between described 3rd high-speed camera (14) and described sealing cavity (9).
3. the failure detector of photoeletric measuring system under surge voltage according to claim 1, it is characterized in that, also including image light and increase pipe (16), described image light increases pipe (16) corresponding with described needle plate electrode (10) and with photoeletric measuring system oscillograph (17) and electrically connects.
4. the failure detector of photoeletric measuring system under surge voltage according to claim 1, it is characterized in that, also including screened room (5), described screened room (5) is wrapped in oscillograph (17) periphery of described first high-speed camera (7), described second high-speed camera (8), described 3rd high-speed camera (14), described pulse generator (2) and photoeletric measuring system respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620073987.4U CN205353285U (en) | 2016-01-26 | 2016-01-26 | Photoelectricity measurement system's fault detection device under impulse voltage |
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| CN201620073987.4U CN205353285U (en) | 2016-01-26 | 2016-01-26 | Photoelectricity measurement system's fault detection device under impulse voltage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459250A (en) * | 2018-05-02 | 2018-08-28 | 国家电网公司 | Shelf depreciation reaction signal detecting system under a kind of surge voltage |
| CN109696607A (en) * | 2018-12-12 | 2019-04-30 | 云南电网有限责任公司电力科学研究院 | A kind of endoscope and image processing device applied to the diagnosis of arc extinguishing Experimental Optical |
-
2016
- 2016-01-26 CN CN201620073987.4U patent/CN205353285U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459250A (en) * | 2018-05-02 | 2018-08-28 | 国家电网公司 | Shelf depreciation reaction signal detecting system under a kind of surge voltage |
| CN109696607A (en) * | 2018-12-12 | 2019-04-30 | 云南电网有限责任公司电力科学研究院 | A kind of endoscope and image processing device applied to the diagnosis of arc extinguishing Experimental Optical |
| CN109696607B (en) * | 2018-12-12 | 2021-03-02 | 云南电网有限责任公司电力科学研究院 | Endoscopic device applied to optical diagnosis of arc extinction experiment |
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