CN107064766A - A kind of partial discharge monitoring Cap for tin body - Google Patents
A kind of partial discharge monitoring Cap for tin body Download PDFInfo
- Publication number
- CN107064766A CN107064766A CN201710108882.7A CN201710108882A CN107064766A CN 107064766 A CN107064766 A CN 107064766A CN 201710108882 A CN201710108882 A CN 201710108882A CN 107064766 A CN107064766 A CN 107064766A
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- CN
- China
- Prior art keywords
- hole
- lid
- screwed hole
- partial discharge
- fibre optical
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/16—Construction of testing vessels; Electrodes therefor
Abstract
The invention discloses a kind of partial discharge monitoring Cap for tin body, including lid, the one side of the lid is fixedly connected with insulating support rod, the one end of the insulating support rod away from lid is fixedly connected with insulating disc, first through hole is offered at the axle center of the insulating disc one side, the one side of the insulating disc offers the first screwed hole, and the one side of insulating disc is connected with mounting bar, the one side of the mounting bar offers the second screwed hole and the second through hole, first screwed hole and the second screwed hole are located in same horizontal line, and first the inside of screwed hole and the second screwed hole be threaded with bolt.The present invention is by setting fibre optical sensor and multiple channel acousto emission detector, the problem of solving electrical detection, optical detection and chemical measure and be only able to detect system and there occurs shelf depreciation, and the position of shelf depreciation and its time of shelf depreciation and load can not be determined.
Description
Technical field
The present invention relates to partial discharge monitoring technical field, specially a kind of partial discharge monitoring Cap for tin body.
Background technology
With the raising of power equipment voltage class, people are more next for power equipment reliability of operation requirement
It is harsher strict, however, some weaker links in power system insulation are discharged under the electric field force effect of high intensity
Phenomenon is the problem of being widely present in system insulation.Partial Discharge Detection as insulation of electrical installation performance-critical evaluation side
Formula, while being also a kind of not disruptive detection experiment, increasingly gets more and more people's extensive concerning, when local put occurs for system
When electric, current impulse, electromagnetic wave, ultrasonic wave, light, hot-spot and some new chemical products etc. can be produced accordingly existing
As so as to occur in that the method for testings such as electrical detection, optical detection and chemical measure.But electrical detection, optics
Detection method and chemical measure are only able to detect system and there occurs shelf depreciation, and can not determine position and its office of shelf depreciation
The time of portion's electric discharge and load.
The content of the invention
(1) technical problem solved
In view of the shortcomings of the prior art, the invention provides a kind of partial discharge monitoring Cap for tin body, electricity is solved
Detection method, optical detection and chemical measure are only able to detect system and there occurs shelf depreciation, and can not determine shelf depreciation
Position and its shelf depreciation time and load the problem of.
(2) technical scheme
To achieve the above object, the present invention provides following technical scheme：A kind of partial discharge monitoring Cap for tin body, including
Lid, the one side of the lid is fixedly connected with insulating support rod, and the one end of the insulating support rod away from lid, which is fixed, to be connected
It is connected at insulating disc, the axle center of the insulating disc one side and offers first through hole, the one side of the insulating disc offers
One screwed hole, and the one side of insulating disc is connected with mounting bar, the one side of the mounting bar offers the second screwed hole
With the second through hole, first screwed hole and the second screwed hole are located in same horizontal line, and the first screwed hole and the second screw thread
The inside in hole is threaded with bolt, and the one side of the mounting bar is fixedly connected with fibre optical sensor, the Fibre Optical Sensor
The one side of device is fixedly connected with antenna, and the first through hole is connected with the second through hole, at the axle center of the lid one side
Blind hole is offered, one end of the antenna passes through first through hole and the second through hole and the inside for extending to blind hole.
The one side of the lid is fixedly connected with fixed block, and the one side of the fixed block is fixedly connected with round bar, and
The surface of lid offers screw thread, and the fibre optical sensor is electrically connected with multiple channel acousto emission detector, the multiple channel acousto hair
Detector is penetrated with calculating mechatronics.
It is preferred that, the fibre optical sensor is SRN fibre optical sensors.
It is preferred that, the multiple channel acousto emission detector is the centralized multiple channel acousto emission detectors of SAEUS.
It is preferred that, the quantity of second screwed hole is two, and two the second screwed holes are with the second through hole axle center excessively
Horizontal line is symmetrical arranged for symmetry axis.
It is preferred that, the size of the blind hole is 1 point 5 times of antenna size.
It is preferred that, the quantity of the insulating support rod is four, and four insulating support rods are arranged in the way of annular array
It is listed in the one side of insulating disc.
(3) beneficial effect
The invention provides a kind of partial discharge monitoring Cap for tin body.Possesses following beneficial effect：
Ultrasonic signal is converted into telecommunications by the present invention by setting fibre optical sensor and multiple channel acousto emission detector
Number, then corresponding electric signal is transmitted and detected, to realize the detection to shelf depreciation, the position of shelf depreciation is positioned
Put, convenient monitoring and maintenance, while time and the load of shelf depreciation can be determined, and realization divides local discharge characteristics
Analysis, solves electrical detection, optical detection and chemical measure and is only able to detect system and there occurs shelf depreciation, and can not
The problem of determining the position of shelf depreciation and its time of shelf depreciation and load.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is insulating disc sectional view of the invention；
Fig. 3 is present system structural representation.
In figure：1 lid, 2 insulating support rods, 3 insulating discs, 4 first through hole, 5 first screwed holes, 6 mounting bars, 7 second spiral shells
Pit, 8 second through holes, 9 bolts, 10 fibre optical sensors, 11 antennas, 12 blind holes, 13 fixed blocks, 14 round bars, 15 screw threads, more than 16 are led to
Road acoustic emission detector, 17 computers.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As Figure 1-3, the present invention provides a kind of technical scheme：A kind of partial discharge monitoring Cap for tin body, including lid
Body 1, the one side of lid 1 is fixedly connected with insulating support rod 2, and the one end of insulating support rod 2 away from lid 1 is fixedly connected with absolutely
Edge disk 3, the quantity of insulating support rod 2 is four, and four insulating support rods 2 are arranged in insulating disc 3 in the way of annular array
One side, offer first through hole 4 at the axle center of the one side of insulating disc 3, the one side of insulating disc 3 offers the first screwed hole
5, and the one side of insulating disc 3 is connected with mounting bar 6, insulating support rod 2, insulating disc 3 and mounting bar 6 be plastics or
The insulating materials such as ceramics are made, and prevent the shelf depreciation of lid 1 from having influence on the work of fibre optical sensor 10, add fibre optical sensor
10 sensing lid 1 shelf depreciations produce the accuracy of ultrasonic wave, preferably determine position, time and load that shelf depreciation occurs
Lotus, the one side of mounting bar 6 offers the second screwed hole 7 and the second through hole 8, and the quantity of the second screwed hole 7 is two, and two
Second screwed hole 7 is symmetrical arranged using the horizontal line for crossing the axle center of the second through hole 8 as symmetry axis, by setting two bolts 9 by optical fiber
Sensor 10 is fixed so that fibre optical sensor 10 fixes more firm, and the first screwed hole 5 and the second screwed hole 7 are positioned at same
On horizontal line, and the inside of the first screwed hole 5 and the second screwed hole 7 is threaded with bolt 9, and the one side of mounting bar 6 is consolidated
Surely fibre optical sensor 10 is connected with, fibre optical sensor 10 is SR150N fibre optical sensors, because the present invention is for entering to tank body
Row on-line monitoring is to determine position, parameter and the waveform of shelf depreciation, and the frequency range of ultrasonic wave is in 25KHz~750KHz,
Therefore it is proper from the resonant transducer of arrowband formula, the induction frequencies scopes of SR150N fibre optical sensors for 22KHz~
220KHz, the purposes of part SR40M fibre optical sensors and SR150M fibre optical sensors, the one of fibre optical sensor 10 can be substituted simultaneously
Side is fixedly connected with antenna 11, and first through hole 4 is connected with the second through hole 8, and blind hole is offered at the axle center of the one side of lid 1
12, one end of antenna 11 passes through the through hole 8 of first through hole 4 and second and extends to the inside of blind hole 12, and the size of blind hole 12 is day
The part produced on 1 point 5 times of the size of line 11 so that antenna 11 is not contacted directly with lid 1, the sensing lid 1 of antenna 11 is put
The ultrasonic wave of electricity, and pass to fibre optical sensor 10, and fibre optical sensor 10, multiple channel acousto emission detector 16 and computer 17
Power supply mode be external power supply.
The one side of lid 1 is fixedly connected with fixed block 13, and the one side of fixed block 13 is fixedly connected with round bar 14, and lid
The surface of body 1 offers screw thread 15, and fibre optical sensor 10 is electrically connected with multiple channel acousto emission detector 16, multiple channel acousto transmitting inspection
Survey instrument 16 to electrically connect with computer 17, multiple channel acousto emission detector 16 is the centralized multiple channel acousto emission detectors of SAEU2S,
When uploading data using USB2.0 interfaces between SAEU2S centralization multiple channel acousto emission detectors and computer, due to SAEU2S collection
Chinese style multiple channel acousto emission detector is the bandwidth for exclusively enjoying usb data passage, therefore the maximum percent of pass of actual measurement and theoretical percent of pass
480Mbps, is differed smaller, it is to avoid plurality of devices shares bandwidth in the bus of computer, causes actual measurement speed and theory speed
The problem of degree has big difference, the centralized maximum percent of pass of multiple channel acousto emission detector actual measurement of current SAEU2S reaches 30MB/s,
The maximum percent of pass of actual measurement impact parameter reaches 400,000/s, it can be ensured that continuous 24 hours of 16 precision waveforms of 5MHz sample rates not between
It is disconnected to upload.
In use, mounting bar 6 and fibre optical sensor 10 are fixed on insulating disc 3 using bolt 9, antenna 11 passes through first
The through hole 8 of through hole 4 and second and the inside for extending to blind hole 12, but do not contacted directly with lid 1, the hand-held twisting lid 1 of round bar 14,
Lid 1 is threadedly coupled with tank body, when a partial discharge occurs, the shelf depreciation produced on lid 1 is sensed by antenna 11
Ultrasonic wave, and fibre optical sensor 10 is passed to, the ultrasonic wave received is passed to SAEU2S centralizations by fibre optical sensor 10 again
Multiple channel acousto emission detector, SAEU2S centralization multiple channel acousto emission detectors can be gathered and shown due to shelf depreciation hair
Ultrasonic wave waveform, positioning figure and the parameter penetrated, and the information after processing is sent to computer 17 shown.
It can to sum up obtain, the present invention solves electricity by setting fibre optical sensor 10 and multiple channel acousto emission detector 16
Detection method, optical detection and chemical measure are only able to detect system and there occurs shelf depreciation, and can not determine shelf depreciation
Position and its shelf depreciation time and load the problem of.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of partial discharge monitoring Cap for tin body, including lid (1), it is characterised in that：The one side of the lid (1) is consolidated
Surely insulating support rod (2) is connected with, the one end of the insulating support rod (2) away from lid (1) is fixedly connected with insulating disc (3),
First through hole (4) is offered at the axle center of insulating disc (3) one side, the one side of the insulating disc (3) offers first
Screwed hole (5), and the one side of insulating disc (3) is connected with mounting bar (6), the one side of the mounting bar (6) is offered
Second screwed hole (7) and the second through hole (8), first screwed hole (5) and the second screwed hole (7) are located in same horizontal line,
And first the inside of screwed hole (5) and the second screwed hole (7) be threaded with bolt (9), the one side of the mounting bar (6)
Fibre optical sensor (10) is fixedly connected with, the one side of the fibre optical sensor (10) is fixedly connected with antenna (11), described
One through hole (4) is connected with the second through hole (8), and blind hole (12), the antenna are offered at the axle center of lid (1) one side
(11) one end passes through first through hole (4) and the second through hole (8) and the inside for extending to blind hole (12)；The one of the lid (1)
Side is fixedly connected with fixed block (13), and the one side of the fixed block (13) is fixedly connected with round bar (14), and lid (1)
Surface offers screw thread (15), and the fibre optical sensor (10) electrically connects with multiple channel acousto emission detector (16), described to lead to more
Road acoustic emission detector (16) is electrically connected with computer (17).
2. a kind of partial discharge monitoring Cap for tin body according to claim 1, it is characterised in that：The fibre optical sensor
(10) it is SR150N fibre optical sensors.
3. a kind of partial discharge monitoring Cap for tin body according to claim 1, it is characterised in that：The multiple channel acousto hair
It is the centralized multiple channel acousto emission detectors of SAEU2S to penetrate detector (16).
4. a kind of partial discharge monitoring Cap for tin body according to claim 1, it is characterised in that：Second screwed hole
(7) quantity is two, and two the second screwed holes (7) are set using the horizontal line for crossing the second through hole (8) axle center as symmetrical axial symmetry
Put.
5. a kind of partial discharge monitoring Cap for tin body according to claim 1, it is characterised in that：The blind hole (12)
Size is 1 point 5 times of antenna (11) size.
6. a kind of partial discharge monitoring Cap for tin body according to claim 1, it is characterised in that：The insulating support rod
(2) quantity is four, and four insulating support rods (2) are arranged in the one side of insulating disc (3) in the way of annular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710108882.7A CN107064766A (en) | 2017-02-27 | 2017-02-27 | A kind of partial discharge monitoring Cap for tin body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710108882.7A CN107064766A (en) | 2017-02-27 | 2017-02-27 | A kind of partial discharge monitoring Cap for tin body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107064766A true CN107064766A (en) | 2017-08-18 |
Family
ID=59621396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710108882.7A Pending CN107064766A (en) | 2017-02-27 | 2017-02-27 | A kind of partial discharge monitoring Cap for tin body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107064766A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031070A (en) * | 2018-08-17 | 2018-12-18 | 国网江苏省电力有限公司盐城供电分公司 | A kind of partial discharge of switchgear on-line monitoring system and its monitoring method based on W5500 ethernet communication |
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|---|---|---|---|---|
| JP2008032587A (en) * | 2006-07-31 | 2008-02-14 | Meidensha Corp | Ae sensor using interference-type optical fiber, and partial discharge measuring device by ae sensor |
| CN101762777A (en) * | 2010-01-21 | 2010-06-30 | 上海大学 | Local discharging on-line detecting and positioning system for electric transformer |
| CN202093119U (en) * | 2010-12-31 | 2011-12-28 | 保定天威集团有限公司 | Built-in partial discharge monitoring sensor for transformer |
| CN103399262A (en) * | 2013-07-20 | 2013-11-20 | 北京航空航天大学 | Fiber mach-zehnder interferometer-based power transformer partial discharge detection system and detection method |
| CN104049134A (en) * | 2014-06-24 | 2014-09-17 | 国家电网公司 | Optical VFTO measurement system based on Pockels effect |
| CN204008705U (en) * | 2014-06-10 | 2014-12-10 | 国网山西省电力公司电力科学研究院 | Partial discharge monitoring Cap for tin body |
| CN105222881A (en) * | 2015-09-08 | 2016-01-06 | 北京航空航天大学 | A kind of multichannel optical fiber surround Launch Detection System based on process of heterodyning |
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2017
- 2017-02-27 CN CN201710108882.7A patent/CN107064766A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008032587A (en) * | 2006-07-31 | 2008-02-14 | Meidensha Corp | Ae sensor using interference-type optical fiber, and partial discharge measuring device by ae sensor |
| CN101762777A (en) * | 2010-01-21 | 2010-06-30 | 上海大学 | Local discharging on-line detecting and positioning system for electric transformer |
| CN202093119U (en) * | 2010-12-31 | 2011-12-28 | 保定天威集团有限公司 | Built-in partial discharge monitoring sensor for transformer |
| CN103399262A (en) * | 2013-07-20 | 2013-11-20 | 北京航空航天大学 | Fiber mach-zehnder interferometer-based power transformer partial discharge detection system and detection method |
| CN204008705U (en) * | 2014-06-10 | 2014-12-10 | 国网山西省电力公司电力科学研究院 | Partial discharge monitoring Cap for tin body |
| CN104049134A (en) * | 2014-06-24 | 2014-09-17 | 国家电网公司 | Optical VFTO measurement system based on Pockels effect |
| CN105222881A (en) * | 2015-09-08 | 2016-01-06 | 北京航空航天大学 | A kind of multichannel optical fiber surround Launch Detection System based on process of heterodyning |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031070A (en) * | 2018-08-17 | 2018-12-18 | 国网江苏省电力有限公司盐城供电分公司 | A kind of partial discharge of switchgear on-line monitoring system and its monitoring method based on W5500 ethernet communication |
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| PB01 | Publication | ||
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Application publication date: 20170818 |