CN204044302U - A kind of nine yuan of square array sonac stationary installations - Google Patents
A kind of nine yuan of square array sonac stationary installations Download PDFInfo
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- CN204044302U CN204044302U CN201420494671.3U CN201420494671U CN204044302U CN 204044302 U CN204044302 U CN 204044302U CN 201420494671 U CN201420494671 U CN 201420494671U CN 204044302 U CN204044302 U CN 204044302U
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Abstract
A kind of nine yuan of square array sonac stationary installations, comprise aluminium substrate, the bottom surface of substrate is provided with magnet, and the upper surface of described substrate offers the cylinder blind hole of nine installation sonac array elements, and described nine cylinder blind hole squarely arrays are laid in the middle part of substrate.The utility model has easy accessibility, simple to operate, steady performance, while can fixing each sensor array element distance, can also ensure consistance and the globality of each sensor array element receiving plane and electrical equipment wall contacts, improves accuracy of detection.
Description
Technical field
The utility model relates to transformer detection technique field, particularly a kind of device being applicable to be fixed sonac array element.
Background technology
Along with the development of power technology, also more and more higher to the requirement of Power System Reliability, and transformer is as the hinge in electric system, its reliability of operation is directly connected to the safety and stablization of electric system.Find in the statistical study process of transformer physical fault, insulation fault affects the main cause that transformer normally runs, the shelf depreciation of transformer is then cause the major reason of insulation fault, and therefore the detection of shelf depreciation becomes the importance that insulation status detects.
Existing transformer partial discharge positioning method mainly contains light-seeking method, electrical Location method, superfrequency position location method, x-ray excitation localization method and ultrasound wave localization method etc.Wherein ultrasound wave localization method is the locus direction of ultrasonic propagation that produces according to shelf depreciation and time determining discharge source, because its principle is simple, anti-electromagnetic interference capability is strong, cost is low, can realize direct geometry location, particularly based on the detection method of partial discharge of electrical equipment of plane ultrasonic sensor array, the azimuth information in source can be put by the time delay relation office of obtaining between each channel ultrasound signal, and then it is accurately located, therefore apply comparatively extensive.
Lack the finished product of plane ultrasonic sensor array array element in the market, researchist is mostly by fixing the method for multiple ultrasound element at the diverse location of electrical equipment outer wall, realize the object of type local-discharge ultrasonic array location, but there is the problems such as dismounting difficulty, array element distance be fixing.Ultrasound array sensor, along with the increase of sonac element number of array, also can increase the direction finding precision of Partial Discharge Sources.When element number of array is increased to certain number, what direction finding precision increased is not just clearly.On the contrary, along with the increase of sonac element number of array, the cost of equipment and complexity will increase a lot; And array element is too much, can produce signal " redundancy " phenomenon in Array Signal Processing algorithm, makes computation process become redundancy slow, be even absorbed in " Inner eycle " of direction of arrival spectrum peak search.Comprehensive economy, validity and error meet the consideration of the many factors such as requirement of engineering, propose a kind of nine yuan of square array sonac stationary installations.
Utility model content
The utility model, for the deficiencies in the prior art, provides a kind of easy accessibility, can ensure the sonac array element stationary installation that array element distance is fixing.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
A kind of nine yuan of square array sonac stationary installations, comprise aluminium substrate, the bottom surface of substrate is provided with magnet, and the upper surface of described substrate offers the cylinder blind hole of nine installation sonac array elements, and described nine cylinder blind hole squarely arrays are laid in the middle part of substrate.
The utility model is preferred: described substrate is square substrate, and the dual-side place of square substrate bottom surface is bolted the two pieces of pillars paralleled, and the lower end of two pieces of pillars offers the groove installing magnet.
The utility model is preferred: described substrate is circular substrate, and the underrun bolt of circular substrate connects turned legs, and turned legs is arranged along the circumference of circular substrate, and turned legs lower end offers the groove installing magnet.
Owing to have employed above technical scheme, acquired by the utility model, technical progress is as follows.
The utility model has outside the engineering advantages such as easy accessibility, simple to operate, stable performance, also have the following advantages: 1) this stationary installation can plug and play simultaneously, can change in time when the damage of single-sensor array element or sensitivity decrease, ensure that detecting operation completes smoothly; 2) this stationary installation is while fixing each sensor array element distance, can also ensure consistance and the globality of each sensor array element receiving plane and electrical equipment wall contacts, improves accuracy of detection; 3) the utility model can also experimentally requirement, the number of being made by manufacturers or users sensor array element, so can reduce the setting of redundancy array element while ensureing certain direction finding precision, easy to operate, engineering practicability is strong.
Accompanying drawing explanation
Fig. 1 is the upward view of embodiment 1;
Fig. 2 is that the A-A of Fig. 1 is to cut-open view;
Fig. 3 is the upward view of embodiment 2.
In figure, each label is expressed as: 1. substrate, 2. pillar, 3. magnet, 4. cylinder blind hole, 5. bolt.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further elaborated.
The utility model comprises substrate 1, pillar 2 and magnet 3.Cylinder blind hole 4, nine cylinder blind hole squarely arrays that the upper surface of substrate offers nine installation sonac array elements are laid in the middle part of substrate, for sensor installation array element.
Embodiment 1
In the present embodiment, substrate is square, and pillar is provided with two pieces altogether, and two pieces of pillars be arranged in parallel, and is bolted to connection the dual-side place in substrate bottom surface; The lower end of pillar offers strip groove, for installing magnet 3, as depicted in figs. 1 and 2.In the present embodiment, on nine cylinder blind holes substrate between two pieces of pillars, as shown in Figure 1, to facilitate sensor array element the office of Measurement accuracy electrical equipment to put a little.
In the present embodiment, substrate selects aircraft aluminum to make, aircraft aluminum is a kind of aluminium alloy, main chemical compositions is: aluminium, copper, zinc, magnesium, silicon etc., due to its oil resistant and antiacid, alkali, salt and chemical reagent etc. are functional, also can tolerate the dissolving of organic solvent to a certain extent simultaneously, and there is good mechanical property and mouldability, converted products any surface finish, wearing quality is good, be easy to processing, machinery can be used, the methods such as bonding carry out secondary processing, lighter weight, be easy to carry, although its high temperature strength is lower, but acid-alkali salt corrosion that the external environment condition change of the condition such as humiture round the clock and inclement weather and air pollution bring can be met completely and other are filthy, the suitable material as sonac array element stationary installation.
The stationary installation of the present embodiment is for installing nine sonac array elements, and it is specifically of a size of: the long 43mm of substrate, wide 40mm; The diameter of cylinder blind hole is 5.2mm, and cylinder blind hole depth is 5mm, and the center distance of adjacent column blind hole is 8mm.
When the utility model uses, first each sensor array element is fixed in cylinder blind hole successively, then magnet is utilized to hold electrical equipment outer wall, fix the utility model simultaneously, the signal transmssion line access multi-channel synchronous data acquisition device of each sensor array element, can Real-time Collection type local-discharge ultrasonic array signal data.Detect position as changed, only the utility model need be taken off, directly be adsorbed in other positions of electrical equipment, simple to operate.
Embodiment 2
The difference of the present embodiment and embodiment 1 is: substrate is for circular, the underrun bolt of circular substrate connects turned legs, turned legs is arranged along the circumference of circular substrate, and nine cylinder blind holes are positioned at the border circular areas that turned legs surrounds on substrate, as shown in Figure 3.Turned legs lower end offers multiple groove, for installing fritter magnet; Annular groove can also be offered in certain turned legs lower end, for installing ring-shaped magnet.
Claims (3)
1. one kind nine yuan square array sonac stationary installations, it is characterized in that: comprise aluminium substrate (1), the bottom surface of substrate is provided with magnet (3), the upper surface of described substrate offers the cylinder blind hole (4) of nine installation sonac array elements, and described nine cylinder blind hole squarely arrays are laid in the middle part of substrate.
2. a kind of nine yuan of square array sonac stationary installations according to claim 1, it is characterized in that: described substrate is square substrate, the dual-side place of square substrate bottom surface is connected with by bolt (5) the two pieces of pillars (2) paralleled, and the lower end of two pieces of pillars offers the groove installing magnet (3).
3. a kind of nine yuan of square array sonac stationary installations according to claim 2, it is characterized in that: described substrate is circular substrate, the underrun bolt of circular substrate connects turned legs, turned legs is arranged along the circumference of circular substrate, and turned legs lower end offers the groove installing magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420494671.3U CN204044302U (en) | 2014-08-30 | 2014-08-30 | A kind of nine yuan of square array sonac stationary installations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420494671.3U CN204044302U (en) | 2014-08-30 | 2014-08-30 | A kind of nine yuan of square array sonac stationary installations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204044302U true CN204044302U (en) | 2014-12-24 |
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ID=52244952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420494671.3U Expired - Fee Related CN204044302U (en) | 2014-08-30 | 2014-08-30 | A kind of nine yuan of square array sonac stationary installations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204044302U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525222A (en) * | 2016-10-14 | 2017-03-22 | 国网上海市电力公司 | Sensor bracket for testing working deformation vibration of ultrahigh-voltage transformer |
| CN107796488A (en) * | 2017-11-16 | 2018-03-13 | 西安交通大学 | A kind of slosh experimental bench based on motion platform and ultrasonic liquid level sensor |
| CN114280436A (en) * | 2021-12-24 | 2022-04-05 | 中国科学院电工研究所 | F-P ultrasonic sensor array implantation device for monitoring partial discharge of power equipment |
-
2014
- 2014-08-30 CN CN201420494671.3U patent/CN204044302U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525222A (en) * | 2016-10-14 | 2017-03-22 | 国网上海市电力公司 | Sensor bracket for testing working deformation vibration of ultrahigh-voltage transformer |
| CN107796488A (en) * | 2017-11-16 | 2018-03-13 | 西安交通大学 | A kind of slosh experimental bench based on motion platform and ultrasonic liquid level sensor |
| CN107796488B (en) * | 2017-11-16 | 2019-12-24 | 西安交通大学 | Liquid level shaking experiment table based on motion platform and ultrasonic liquid level sensor |
| CN114280436A (en) * | 2021-12-24 | 2022-04-05 | 中国科学院电工研究所 | F-P ultrasonic sensor array implantation device for monitoring partial discharge of power equipment |
| CN114280436B (en) * | 2021-12-24 | 2024-01-19 | 中国科学院电工研究所 | F-P ultrasonic sensor array implantation device for monitoring partial discharge of power equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20141224 Termination date: 20160830 |