CN205880125U - Ultrasonic sensor stabilizes testing arrangement - Google Patents
Ultrasonic sensor stabilizes testing arrangement Download PDFInfo
- Publication number
- CN205880125U CN205880125U CN201620421987.9U CN201620421987U CN205880125U CN 205880125 U CN205880125 U CN 205880125U CN 201620421987 U CN201620421987 U CN 201620421987U CN 205880125 U CN205880125 U CN 205880125U
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- sensor
- ultrasonic sensor
- firm banking
- reference test
- test bar
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- 238000012360 testing method Methods 0.000 title claims abstract description 75
- 210000000245 forearm Anatomy 0.000 claims description 19
- 230000006641 stabilisation Effects 0.000 claims description 17
- 238000011105 stabilization Methods 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
- 230000003019 stabilising effect Effects 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000002604 ultrasonography Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 238000011160 research Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model provides an ultrasonic sensor stabilizes testing arrangement, be connected through the changeable mode of angle between the sensor stabilising arrangement that this testing arrangement of includes the reference test bar and sets up at the reference test bar front end, reference test bar and sensor stabilising arrangement. The device can be extensive the ultrasonic wave office that is applicable to most producers put the sensor, increase the suitability of product.
Description
Technical field
This utility model relates to a kind of ultrasonic sensor steady testing device.
Background technology
GIS (Gas Insulated Switchgear) gas-insulated switch combined electrical apparatus, bus, chopper,
CT, PT, disconnecting switch, spark gap are combined and are closed, and application insulating gas SF6 is situated between as arc extinguishing and insulation
Matter, compared with conventional electrical devices, has floor space little, simple installation, by the advantage that surrounding environment influence is little, GIS device
Failure rate is low, data show, the fault rate of GIS substation equipment only has the 20% ~ 40% of conventional open style substation equipment so that
Maintenance work is few more a lot of than opening-type equipment, thus extends the cycle of repair and maintenance.
China's first generation GIS just put into operation as far back as the eighties in last century, along with old GIS device runs the continuous of time
Continuity, new GIS device the most constantly puts into operation, and the danger that GIS total breakdown rate rises just is becoming increasing.According to external power
The statistical analysis of prestige mechanism, current international GIS fault rate far above IEC recommend every hundred between the next year level of 0.1 time.
Meanwhile, along with increasing of GIS transformer station, the problem of GIS equipment coming out the most slowly, such as, GIS equipment manufacturer
Very different, equipment quality differs greatly, and some even has family's defect, it occur frequently that equipment does not arrive in running
Time between overhauls(TBO) and there is the situation of internal fault；And for example GIS volume is smaller, and all of electrical equipment is a limited appearance
Being necessary in device being distributed the tightst, wherein certain equipment breaks down, and is just likely to travel to adjacent equipment, makes
Failure propagation.GIS fault restoration is considerably complicated, it is sometimes desirable to fortnight or longer time could repair.Utilize ultrasound wave
Detection Techniques are put in office, can effectively disclose the many defects within GIS under conditions of equipment does not has a power failure, in finding GIS in time
The abnormal generation with fault in portion.
Using specialty sensor (probe) in ultrasonic partial discharge Detection Techniques, sensor (probe) connects with tank body when test
Touch whether tight the biggest on test result impact.The slight shake of tester's hand in test process, hand are to sensor
Apply uneven all can test result being caused of pressure necessarily to disturb；The metal part meeting it addition, pop one's head in the region that electric field is stronger
Produce faradism, make tester to hold steadily, cause measurement difficulty；And limited by arm length, the electricity in GIS is stood
Gas device measuring is limited in scope, and needs to set up ladder and join personnel to carry out staircase work for the test of eminence equipment, waste of manpower,
Testing progress is slow.And some position is due to faradism too greatly, testing crew cannot be tested by ascending stair, it is possible to omits defect
Or trouble point.For the operation at 220kV and following GIS device, due to tight alternately, tester cannot be introduced into alternate
Narrow zone, it is also possible to omit defect or trouble point.
In recent years, domestic have substantial amounts of GIS to come into operation, and GIS ultrasound examination corollary equipment is ground by shortage
Send out, it may be said that to a certain extent, even if carrying out the ultrasonic wave electrified detection of GIS to still suffer from certain potential safety hazard.Therefore, having must
Increase the developmental research of corollary equipment that GIS ultrasound examination is correlated with.Owing to GIS extensively applies, relevant GIS is ultrasonic wave electrified
The supporting Work tool research and development of detection are the certainty of following live detection technology development.
Institute of Electric Power of Norway uses ultrasonic method that GIS fault diagnosis technology has carried out research work long-term, substantial amounts of, root
According to being published in CIGRE(international conference on large HV electric systems) on research report, defect in GIS detected repeatedly, it represents instrument AIA and obtains
Obtain the extensive favorable comment in industry.Utilities Electric Co. of Malaysia has also carried out detection work by ultrasonic method to GIS, have received well
Effect, as detected the local discharge signal of the loosening generation due to shielding part at two disconnector cabinets.This outer ultrasonic
Method is obtained in Quebec, CAN hydroelectric power plant, Siemens Company etc. and is widely applied.Although abroad for the ultrasound wave of GIS
Comparison between detecting methods is ripe, but relevant corollary equipment rarely has report.
Domestic also have unit to study the ultrasonic detection technology of GIS, as Shanghai China take advantage of, Hangzhou West Lake electronics etc.,
Hangzhou Xihu Institute of Electronic Research research and development ultrasound bar, band Telescopic, it is possible to meet distance test requirement, but its
Being designed as AIA supersonic wave test instrument special, the sensor (probe) of Other Instruments cannot support the use with it, and front end sensors
(probe) is fixed, and contact surface is little, and guarantee sensor (probe) that cannot be certain during distance test is tight with GIS tank body
Contact, on-the-spot test deviation is bigger.
Summary of the invention
Utility model purpose:
This utility model provides a kind of ultrasonic sensor steady testing device, its objective is to solve the most existing asking
Topic.
Technical scheme:
A kind of ultrasonic sensor steady testing device, it is characterised in that: this test device includes reference test bar and setting
At the sensor stabilization device of reference test bar front end, between reference test bar and sensor stabilization device by the way of variable-angle even
Connect.
Reference test bar uses binodal telescopic structure, and anti-skidding insulation sleeve is arranged at reference test bar bottom, and the reference test bar body of rod is also with passing
Transmission line between sensor and instrument is firmly fixed to the bandage on the body of rod.
Sensor stabilization device is made up of sensor fastening device, spring and connection cover, the bottom of sensor fastening device
Being provided with resilient supporting unit, resilient supporting unit connects the base of sensor stabilization device, and sensor fastening device is arranged on
Connecting the position in the middle of covering and be connected with being connected cover by spring, the plane of connection cover is slightly below sensor fastening device and is fixed
The test surfaces of sensor, the bottom connecting cover is connected with the base of sensor stabilization device by hound.
Sensor fastening device includes two fixed arms and firm banking, and two fixed arms are movable by intermediate active bearing
Connecting and form H-shaped structure, firm banking is up-small and down-big truncated cone-shaped structure, and the periphery of round platform is provided with screw thread；Fixed arm
Including forearm and postbrachium, the inwall of postbrachium is the structure that the outer wall with firm banking adapts, and the inwall at postbrachium is provided with energy
The screw thread coordinated is screwed mutually with the outer wall thread of truncated cone-shaped structure；When postbrachium by firm banking (screw down over and gradually to
Outer separate time, forearm the most inwardly clamps.
Forearm is arc elastic component.
The front end of forearm is provided with arc deck.
Arc deck is arranged on the front end of forearm by torsion spring.
Be provided with at intermediate active bearing control postbrachium inwardly tighten up tighten up torsion spring.
The two ends of live bearing are connected with the upper end of lifting connecting rod, and the lower end of lifting connecting rod puts in firm banking,
The lower end of lifting connecting rod is provided with and prevents from lifting the dop that connecting rod is extracted out in firm banking, and lifting connecting rod is can be relatively
Component in firm banking lifting.
Advantage and effect
This utility model is a kind of ultrasonic sensor steady testing device, furthers investigate ultrasound wave Partial Discharge Detection method
Pop one's head in the process of tank body contact, developed by ultrasonic sensor stabilising arrangement, make this utility model can not only be by inhomogeneity
The sensor of type is firmly fixed, and prevents the faradism harm to tester, it can also be ensured that sensor and tank body closely,
Stable contact, gets rid of operating personnel's interference to test, makes test more accurate.The reference test bar being equipped with can be steady with sensor
Determine device to connect, it is achieved distance operates, expand test scope.Thus will no longer be retrained by tank body locus, test model
Enclose wider, the ultrasonic partial discharge test of the kettle equipment that can realize entirely standing.Meanwhile, the device making design can be widely suitable for absolutely
The ultrasonic partial discharge sensor of most of producers, increases the suitability of product.
Accompanying drawing explanation
Fig. 1 is reference test bar structural representation of the present utility model；
Fig. 2 is the structural representation of sensor stabilization device of the present utility model；
Fig. 3 is the schematic diagram of reference test bar of the present utility model and the junction of stabilising arrangement；
Fig. 4 is the structural representation of sensor fastening device.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described further:
As it can be seen, the utility model proposes a kind of ultrasonic sensor steady testing device, this test device includes
Reference test bar 1 and be arranged on the sensor stabilization device 2 of reference test bar front end, passes through angle between reference test bar and sensor stabilization device
Spend variable mode to connect.
Reference test bar uses binodal telescopic structure, and anti-skidding insulation sleeve 3 is arranged at reference test bar bottom, is possible to prevent insulating bar breakage to produce
Raw faradism, facilitates tester's hand-held simultaneously.The reference test bar body of rod is also with by the transmission line between sensor and instrument
The bandage 4 being firmly fixed on the body of rod.
Sensor stabilization device is made up of sensor fastening device 5, spring 6 and connection cover 7, sensor fastening device 5
Bottom is provided with support means 8, and support means 8 connects the base 16 of sensor stabilization device, and sensor fastening device is arranged on
Connecting the position in the middle of cover 7 and be connected with being connected cover 7 by spring 6, the plane connecting cover is slightly below sensor fastening device institute
The test surfaces of fixing sensor, the bottom connecting cover is connected with the base 16 of sensor stabilization device by hound 19.
Sensor fastening device 5 includes two fixed arms and firm banking 10, and two fixed arms are by intermediate active bearing 9
Being flexibly connected and form H-shaped structure, firm banking 10 is up-small and down-big truncated cone-shaped structure, and the periphery of round platform is provided with screw thread；
Fixed arm includes forearm 11 and postbrachium 12, and the inwall of postbrachium 12 is the structure that the outer wall with firm banking 10 adapts, at postbrachium
The inwall of 12 is provided with and can screw, with the outer wall thread of truncated cone-shaped structure, the screw thread coordinated mutually；When postbrachium 12 is by firm banking 10
Screw under direction and the most outside separate time, forearm 11 the most inwardly clamps.
Forearm 11 is arc elastic component.
The front end of forearm 11 is provided with arc deck 14.
Arc deck 14 is arranged on the front end of forearm 11 by torsion spring 13.
Be provided with at intermediate active bearing 9 control postbrachium 12 inwardly tighten up tighten up torsion spring.
The two ends of live bearing 9 are connected with the upper end of lifting connecting rod 15, and the lower end of lifting connecting rod 15 puts in the fixing end
In seat 10, the lower end of lifting connecting rod 15 is provided with and prevents from lifting the dop that connecting rod 15 is extracted out in firm banking 10, lifting
Connecting rod 15 is can be relative to the component of firm banking 10 lifting.
When sensor fastening device 5 uses, it is pulled to lift the top that connecting rod 15 can arrive, before then separating
Arm 11, puts into sensor between the arc deck 14 of forearm 11 front end, screws downwards sensor fastening device 5, because fixing
Base 10 is up-small and down-big structure, so along with screwing screwing downwards of sensor fastening device 5, two postbrachiums 12 gradually to
The most separately, and two forearms 11 inwardly tighten up gradually clamping sensor 17 simultaneously, and because the amplitude that forearm 11 inwardly tightens up is
How many decisions screwed downwards according to postbrachium 12, so this sensor fastening device 5 can clamp different types of sensor,
Making its scope of application wider, meanwhile, can arrange torsion spring at live bearing 9, this torsion spring ensures the receipts that two postbrachiums 12 are inside
Clamp force so that it is can more closely and firm banking 10 threaded engagement, it is ensured that firmness.
It addition, arrange torsion spring 13 in the junction of arc deck 14 with forearm 11, also for ensureing arc deck 14
Clamping force.
Reference test bar is formed by insulant body plan, it is possible to the safety need of tester, test when meeting distance test
Bar uses binodal telescopic structure, and anti-skidding insulation sleeve is arranged at reference test bar bottom, is possible to prevent the faradism that insulating bar breakage produces, with
Time facilitate tester's hand-held.The reference test bar body of rod is with bandage, in order to by firm for the transmission line between sensor and instrument
It is fixed on the body of rod.
Wherein the sensor of different manufacturers can be fixed by sensor fastening device, simultaneously bottom have support to prevent sensing
Device is from bottom landing.Sensor fastening device is connected with being connected cover by spring, and the plane connecting cover is slightly below the survey of sensor
Examination face, say, that spring is to have an angle obliquely that sensor fastening device is fixed on centre, sensor during test
After first test surfaces contacts with tested tank body, continue to pressure, contacting with tank body until connecting cover plane, tank body can be ensured
Close contact with sensor.Because now, sensor fastening device not only by the top power of a bottom support and is received simultaneously
To a top power obliquely of the spring connecting cover, under the effect of dual power so that sensor contacts more with tested tank body
Add closely, meanwhile, connect the perception area of cover more than sensor, say, that as long as perceiving and ensureing that connecting cover is with tested
Tank body contact, then sensor just must contact with tested tank body, because the plane connecting cover is somewhat below sensor
Test surfaces.
It is connected (as shown in Figure 3) by the bolt 18 that gear is variable between reference test bar with sensor stabilization device, will test
Bar and stabilising arrangement are placed on wherein arbitrarily gear, tighten bolt, and reference test bar is the most locked with the relative angle of stabilising arrangement, when
Need only need to unclamp during the angle changing both bolt, again tighten after adjusting angle.
Claims (9)
1. a ultrasonic sensor steady testing device, it is characterised in that: this test device includes reference test bar (1) and arranges
At the sensor stabilization device (2) of reference test bar front end, between reference test bar and sensor stabilization device by the way of variable-angle
Connect.
Ultrasonic sensor steady testing device the most according to claim 1, it is characterised in that: reference test bar uses binodal to stretch
Contracting formula structure, anti-skidding insulation sleeve (3) is arranged at reference test bar bottom, and the reference test bar body of rod is also with by the transmission line jail between sensor and instrument
Solid the bandage (4) being fixed on the body of rod.
Ultrasonic sensor steady testing device the most according to claim 1, it is characterised in that: sensor stabilization device by
Sensor fastening device (5), spring (6) and connection cover (7) are constituted, and the bottom of sensor fastening device (5) is provided with elastic
Support arrangement (8), resilient supporting unit (8) connects the base (16) of sensor stabilization device, and sensor fastening device is arranged on even
Connecing the position in the middle of cover (7) and be connected with being connected cover (7) by spring (6), the plane connecting cover is slightly below the fixing dress of sensor
Put the test surfaces of fixed sensor, connect the bottom base (16) by hound (19) with sensor stabilization device of cover
Connect.
Ultrasonic sensor steady testing device the most according to claim 3, it is characterised in that: sensor fastening device
(5) include that two fixed arms and firm banking (10), two fixed arms are flexibly connected by intermediate active bearing (9) and form H-shaped
Structure, firm banking (10) is up-small and down-big truncated cone-shaped structure, and the periphery of round platform is provided with screw thread；Fixed arm includes forearm
(11) and postbrachium (12), the inwall of postbrachium (12) is the structure that the outer wall with firm banking (10) adapts, at postbrachium (12)
Inwall is provided with and can screw, with the outer wall thread of truncated cone-shaped structure, the screw thread coordinated mutually；When postbrachium (12) is by firm banking (10)
Screw under direction and the most outside separate time, forearm (11) the most inwardly clamps.
Ultrasonic sensor steady testing device the most according to claim 4, it is characterised in that: forearm (11) is arc bullet
Property component.
6. according to the ultrasonic sensor steady testing device described in claim 4 or 5, it is characterised in that: at forearm (11)
Front end is provided with arc deck (14).
Ultrasonic sensor steady testing device the most according to claim 6, it is characterised in that: arc deck (14) passes through
Torsion spring (13) is arranged on the front end of forearm (11).
Ultrasonic sensor steady testing device the most according to claim 4, it is characterised in that: at intermediate active bearing
(9) place be provided with control postbrachium (12) inwardly tighten up tighten up torsion spring.
Ultrasonic sensor steady testing device the most according to claim 4, it is characterised in that: the two of live bearing (9)
Holding the upper end with lifting connecting rod (15) to be connected, the lower end of lifting connecting rod (15) puts in firm banking (10), and lifting connects
The lower end of bar (15) is provided with and prevents from lifting the dop that connecting rod (15) is extracted out in firm banking (10), lifting connecting rod (15)
For the component that can lift relative to firm banking (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620421987.9U CN205880125U (en) | 2016-05-11 | 2016-05-11 | Ultrasonic sensor stabilizes testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620421987.9U CN205880125U (en) | 2016-05-11 | 2016-05-11 | Ultrasonic sensor stabilizes testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205880125U true CN205880125U (en) | 2017-01-11 |
Family
ID=57687692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620421987.9U Withdrawn - After Issue CN205880125U (en) | 2016-05-11 | 2016-05-11 | Ultrasonic sensor stabilizes testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205880125U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842593A (en) * | 2016-05-11 | 2016-08-10 | 国家电网公司 | Ultrasonic sensor stable test apparatus |
-
2016
- 2016-05-11 CN CN201620421987.9U patent/CN205880125U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842593A (en) * | 2016-05-11 | 2016-08-10 | 国家电网公司 | Ultrasonic sensor stable test apparatus |
| CN105842593B (en) * | 2016-05-11 | 2019-02-15 | 国家电网公司 | Ultrasonic sensor steady testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170111 Effective date of abandoning: 20190215 |
|
| AV01 | Patent right actively abandoned |