CN209215568U - A kind of ultrasonic wave local discharge detection device calibration test test block - Google Patents
A kind of ultrasonic wave local discharge detection device calibration test test block Download PDFInfo
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- CN209215568U CN209215568U CN201821708728.XU CN201821708728U CN209215568U CN 209215568 U CN209215568 U CN 209215568U CN 201821708728 U CN201821708728 U CN 201821708728U CN 209215568 U CN209215568 U CN 209215568U
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- bloom
- stand
- ultrasonic wave
- horizontal sliding
- discharge detection
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- 238000012360 testing method Methods 0.000 title claims abstract description 56
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model relates to a kind of ultrasonic wave local discharge detection devices to demarcate with test test block, including pedestal, stand, bloom, horizontal sliding bar, locating rod and scale, pedestal upper end two sides are symmetrically fixed with stand, the common limited support bloom of the stand of two sides, bloom are an axial vertical cylindrical structure；Two horizontal sliding bars being set side by side are installed in the stand above bloom, fixing bolt is slidably fitted on two horizontal sliding bars, fixing bolt corresponds to a diameter of bloom upper surface along the sliding path of horizontal sliding bar；A horizontally disposed scale is fixed at the top of the stand above the sliding path of locating rod；Installation symmetrically has horizontal sliding bar between the stand below bloom, slides fixing bolt on horizontal sliding bar.Standard transducer and tested sensor can be mounted on position identical apart from the center of circle with test test block by the utility model ultrasonic wave local discharge detection device calibration system, to ensure the accurate, reliable of ultrasonic wave local discharge detection device calibration result.
Description
Technical field
The utility model belongs to live detection technical field, and especially a kind of ultrasonic wave local discharge detection device calibration is used
Test test block.
Background technique
Ultrasonic wave Partial Discharge Detecting Technology relies on the advantage of its anti-interference ability and stationkeeping ability, in numerous detection methods
In play a very important role.Supercritical ultrasonics technology for transformer Partial Discharge Detection starts from the forties in last century earliest, but because
It is low for sensitivity, it is never widely used vulnerable to reasons such as external interferences.Since the eighties in last century, with micro-
The rapid development of electronic technology and signal processing technology, due to the raising of piezoelectric energy-conversion efficiency of element and the integrated component of low noise
The application of amplifier, the sensitivity of supercritical ultrasonics technology and anti-interference ability are greatly improved, and application in practice is
Retrieve attention.After decades of development, ultrasonic wave Partial Discharge Detection has become the master of Partial Discharge Detection at present
One of method is wanted, especially in terms of live detection positioning.This method have can to avoid electromagnetic interference influence, can be convenient
The advantages that ground is positioned and is had wide range of applications.In order to guarantee that the accurate of ultrasonic wave local discharge detection device test result can
It leans on, needs to demarcate ultrasonic wave local discharge detection device.
Utility model content
The purpose of the utility model is to overcome in place of the deficiencies in the prior art, a kind of ultrasonic wave Partial Discharge Detection is provided
Device normalization test test block.
The utility model solves its technical problem and adopts the following technical solutions to achieve:
A kind of ultrasonic wave local discharge detection device calibration test test block, this test test block are applied to ultrasonic measurement mark
Determine system, it is characterised in that: including pedestal, stand, bloom, horizontal sliding bar, sliding block, locating rod and scale, pedestal upper end two
Side is symmetrically fixed with stand, one bloom of limited support between the stand of two sides, and bloom is an axial vertical cylindrical knot
Structure；Two horizontal sliding bars being set side by side are installed in the stand above bloom, are slidably fitted on two horizontal sliding bars
Three fixing bolts, fixing bolt correspond to a diameter of bloom upper surface along the sliding path of horizontal sliding bar；In locating rod
A horizontally disposed scale is fixed at the top of stand above sliding path；Pacify below the bloom between the stand above pedestal
Dress symmetrically has horizontal sliding bar, and being slidably installed on horizontal sliding bar, there are three fixing bolts.
Moreover, being symmetrically formed with step-like limiting slot on the top of the stand opposite side of two sides, the limiting slot of the two sides is total
With limited support bloom.
Moreover, the mounting structure of the fixing bolt are as follows: be slidably installed sliding block on horizontal sliding bar, adjusts in the middle part of each sliding block
Section is equipped with a fixing bolt.
Moreover, the scale centre is zero graduation, bidirectional measurement, zero graduation is aligned with the steel test block upper surface center of circle.
Moreover, the fixing bolt above bloom is for connecting standard transducer or tested sensor, the fixation below bloom
Bolt is used for connecting acoustic emission sensor.
One group of reinforcement cross bar is connected with moreover, being fixedly mounted between two side stands between horizontal sliding bar and scale.
Moreover, the radial both ends of stop collar are bolted on respectively around a stop collar is set in the middle part of bloom
Stand upper end.
The advantages and positive effects of the utility model are as follows:
The utility model ultrasonic wave local discharge detection device calibration system test test block can by standard transducer and
Tested sensor is mounted on position identical apart from the center of circle, to ensure the standard of ultrasonic wave local discharge detection device calibration result
Really, reliably.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the schematic top plan view of Fig. 1.
Specific embodiment
The utility model is described in further detail below and by specific embodiment, following embodiment be it is descriptive,
It is not restrictive, protection scope of this utility model cannot be limited by this.
A kind of ultrasonic wave local discharge detection device calibration test test block, this test test block are applied to ultrasonic measurement mark
Determine system, test test block is to be transmitted to standard transducer and tested sensor for the acoustic signals for issuing acoustic emission sensor
Cylindrical steel transmission medium.Specific structure is including pedestal 8, stand 7, bloom 6, horizontal sliding bar 4, sliding referring to shown in attached drawing
Block 3, locating rod 5 and scale 1, pedestal upper end two sides are symmetrically fixed with stand, and the top in the stand opposite side of two sides is symmetrical
It is formed with step-like limiting slot, the common limited support bloom of the limiting slot of the two sides, bloom is an axial vertical cylindrical
Structure；Two horizontal sliding bars being set side by side 4 are installed in the stand above bloom, are slidably installed on two horizontal sliding bars
There are three sliding block 3, a fixing bolt 5 is mounted in the middle part of each sliding block, fixing bolt is corresponding along the sliding path of horizontal sliding bar
One diameter of bloom upper surface；A horizontally disposed scale 1 is fixed at the top of the stand above the sliding path of locating rod,
Scale centre is zero graduation, bidirectional measurement, and zero graduation is aligned with the steel test block upper surface center of circle, guarantees standard transducer and tested
Sensor is equal with circle center distance.
Installation symmetrically has horizontal sliding bar between the stand above pedestal below the bloom, is slidably fitted on horizontal sliding bar
Three sliding blocks, each sliding block middle part are mounted on a fixing bolt.
Fixing bolt above bloom for connecting standard transducer or tested sensor, use by the fixing bolt below bloom
In connecting acoustic emission sensor.
In order to guarantee the stability of stand, it is fixedly mounted between two side stands between horizontal sliding bar and scale and is connected with one group
Reinforce cross bar 2.
In order to guarantee the stability of bloom, around a stop collar 9 is set in the middle part of bloom, the radial both ends of stop collar are divided
Not Tong Guo bolt 10 be fixed on stand upper end.
Acoustic emission sensor is mounted on the lower surface center location of steel test block, standard transducer and the installation of tested sensor
In the upper surface of steel test block.Based on the rule that sound is propagated in same media, in order to guarantee standard transducer and tested sensing
Acoustic signals received by device are consistent, and standard transducer and tested sensor need to be separately mounted to identical with circle center distance two
On a position.
Ultrasonic measurement calibration system by demarcation signal generator, test test block, be used for 6 air insulation electric power apparatus of SF
Contact emission sensor, standard transducer is 1 each, contact emission sensor for oil-filled power equipment, standard pass
Sensor is 1 each, high speed digital oscilloscope, measurement and control host computer, observing and controlling analysis software and various cable accessories etc. are constituted.The ultrasound
Amount calibration system can carry out sensitivity test, linearity error test and stability test.
This test operation step:
(1) steel test block upper and lower surface is cleaned with disposable cotton paper handkerchief first.
(2) acoustic emission transducer is placed in the central point of test block lower surface, and is connected to acoustic emission system.
(3) standard transducer and the symmetrically placed upper surface in test block of tested sensor, are added between sensor and test block
Couplant.
(4) according to scale label, standard transducer and its fixing bolt are adjusted to away from the center of circle be R (R is usually 5cm)
Position, be tightened bolt, it is ensured that is compacted between sensor and test block, securely.Again by tested sensor and its fixing bolt tune
The whole position for being R far from the center of circle to the center of circle other side, be tightened bolt.
(5) other operations of ultrasonic wave local discharge detection device calibration system are carried out.
Although disclosing the embodiments of the present invention for the purpose of illustration, it will be appreciated by those skilled in the art that:
Do not departing from the utility model and spirit and scope of the appended claims, various substitutions, changes and modifications be all it is possible,
Therefore, the scope of the utility model is not limited to the embodiment disclosure of that.
Claims (7)
1. a kind of ultrasonic wave local discharge detection device calibration test test block, this test test block are demarcated applied to ultrasonic measurement
System, it is characterised in that: including pedestal, stand, bloom, horizontal sliding bar, sliding block, locating rod and scale, pedestal upper end two sides
It symmetrically is fixed with stand, one bloom of limited support between the stand of two sides, bloom is an axial vertical cylindrical structure；
Two horizontal sliding bars being set side by side are installed in the stand above bloom, be slidably installed on two horizontal sliding bars there are three
Fixing bolt, fixing bolt correspond to a diameter of bloom upper surface along the sliding path of horizontal sliding bar；In the sliding of locating rod
A horizontally disposed scale is fixed at the top of stand above path；The installation pair between the stand above pedestal below the bloom
Title has horizontal sliding bar, and being slidably installed on horizontal sliding bar, there are three fixing bolts.
2. ultrasonic wave local discharge detection device calibration test test block according to claim 1, it is characterised in that: two
The top of the stand opposite side of side is symmetrically formed with step-like limiting slot, the common limited support bloom of the limiting slot of the two sides.
3. ultrasonic wave local discharge detection device calibration test test block according to claim 1, it is characterised in that: described
The mounting structure of fixing bolt are as follows: be slidably installed sliding block on horizontal sliding bar, adjusts in the middle part of each sliding block and is equipped with a fixed spiral shell
Bolt.
4. ultrasonic wave local discharge detection device calibration test test block according to claim 1, it is characterised in that: described
Scale centre is zero graduation, bidirectional measurement, and zero graduation is aligned with the steel test block upper surface center of circle.
5. ultrasonic wave local discharge detection device calibration test test block according to claim 1, it is characterised in that: bloom
For the fixing bolt of top for connecting standard transducer or tested sensor, the fixing bolt below bloom is used for connecting acoustic emission
Sensor.
6. ultrasonic wave local discharge detection device calibration test test block according to claim 1, it is characterised in that: in water
It is fixedly mounted between two side stands between smooth bar and scale and is connected with one group of reinforcement cross bar.
7. ultrasonic wave local discharge detection device calibration test test block according to claim 1, it is characterised in that: in steel
Around a stop collar is set in the middle part of block, the radial both ends of stop collar are bolted on stand upper end respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821708728.XU CN209215568U (en) | 2018-10-22 | 2018-10-22 | A kind of ultrasonic wave local discharge detection device calibration test test block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821708728.XU CN209215568U (en) | 2018-10-22 | 2018-10-22 | A kind of ultrasonic wave local discharge detection device calibration test test block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209215568U true CN209215568U (en) | 2019-08-06 |
Family
ID=67456415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821708728.XU Active CN209215568U (en) | 2018-10-22 | 2018-10-22 | A kind of ultrasonic wave local discharge detection device calibration test test block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209215568U (en) |
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2018
- 2018-10-22 CN CN201821708728.XU patent/CN209215568U/en active Active
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