CN202647143U - Square plane ultrasonic array sensor fixing device - Google Patents
Square plane ultrasonic array sensor fixing device Download PDFInfo
- Publication number
- CN202647143U CN202647143U CN 201220312122 CN201220312122U CN202647143U CN 202647143 U CN202647143 U CN 202647143U CN 201220312122 CN201220312122 CN 201220312122 CN 201220312122 U CN201220312122 U CN 201220312122U CN 202647143 U CN202647143 U CN 202647143U
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- China
- Prior art keywords
- fixed cover
- plane ultrasonic
- array sensor
- fixing device
- ultrasonic array
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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.)
- Expired - Fee Related
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Abstract
The utility model provides a square plane ultrasonic array sensor fixing device which is used for solving the mounting problem of a square plane ultrasonic array sensor. The technical scheme is as follows: the square plane ultrasonic array sensor fixing device comprises a magnetic seat and a fixing sleeve; the fixing sleeve is in a cylindrical shape and a plurality of array element slots which are arrayed into a square array are formed in opposite end face of the external wall of electric equipment to be detected; a lead wire hole is formed at the bottom of each array element slot; one face of the magnetic seat, which is opposite to the outer wall of the electric equipment, is provided with a cylindrical fixing sleeve mounting groove which is matched with the fixing sleeve; the bottom of the fixing sleeve mounting groove is provided with a fixing sleeve pressing spring; and a cable through hole is arranged in the middle of the groove bottom of the fixing sleeve mounting groove. The square plane ultrasonic array sensor fixing device is simple in structure and convenient to carry; the consistency of the distance between plane ultrasonic array sensor array elements is the same, the detection precision is ensured and the dismounting and mounting difficulty is low; and the detection efficiency of partial discharging of the electric equipment is greatly improved.
Description
Technical field
The utility model relates to and a kind ofly is fixed on device on the electrical equipment outer wall for each array element with square plane ultrasonic array sensor, belongs to the detection technique field.
Background technique
Based on the detection method of partial discharge of electrical equipment of plane ultrasonic array sensor, can put by the relation of the time delay between each the passage ultrasonic signal office of obtaining the azimuth information in source, and then to its accurate location.
Owing to also there not being special-purpose plane ultrasonic array sensor fixing device at present, utilize the plane ultrasonic array sensor to play a game the source of putting when detecting, the researcher can only be fixed on each array element of sensor on the diverse location of electrical equipment outer wall one by one, owing to reasons such as the sensor dismounting are relatively more difficult, array element distance is difficult for being consistent, the application at the scene of plane ultrasonic array sensor is restricted.Therefore, be necessary to design a kind of easy and practical square plane ultrasonic array sensor fixing device.
The model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of square plane ultrasonic array sensor fixing device is provided, and makes sensor easy accessibility, quick, the array element distance high conformity, and detection efficiency and the testing precision in source put in raising office.
The alleged problem of the utility model realizes with following technical proposals:
A kind of square plane ultrasonic array sensor fixing device, it comprises magnetic support and fixed cover, described fixed cover is cylindrical shape, be provided with a plurality of array element slots that are arranged in square array at its end face relative with electrical equipment outer wall to be detected, the bottom of each array element slot is provided with fairlead, the one side that described magnetic support is relative with the electrical equipment outer wall is provided with the cylindrical fixed cover mounting groove that is complementary with fixed cover, described fixed cover mounting groove bottom is provided with the fixed cover holddown spring, and the bottom land middle part of fixed cover mounting groove is provided with the cable via hole.
Above-mentioned square plane ultrasonic array sensor fixing device, the one side relative with the electrical equipment outer wall at magnetic support is fixed with a plurality of magnet, and they evenly distribute around the fixed cover mounting groove.
Above-mentioned square plane ultrasonic array sensor fixing device, the array element slot on the described fixed cover arranges 9.
The utility model utilizes fixed cover to determine the relative position of each array element, has guaranteed the conformity of array element distance, utilizes the elastic force of fixed cover holddown spring to make fixed cover that fixed cover is close on the electrical equipment outer wall, guarantees that each array element contacts well with the electrical equipment outer wall.Magnetic support on the outer wall of electrical equipment, makes the installation of sensor very convenient by magnet adsorption.
The utility model is simple in structure, easy to carry, not only can guarantee the conformity of plane ultrasonic array sensor array element distance, guarantee testing precision, and the dismounting difficulty is low, can greatly improve the detection efficiency of local discharge of electrical equipment.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the structural representation of fixed cover;
Fig. 4 is the A-A sectional view;
Fig. 5 is the structural representation of magnetic support;
Fig. 6 is the B-B sectional view.
Each label is among the figure: 1, fixed cover; 2, magnetic support; 3, magnet; 4, array element slot; 5, fairlead; 6, fixed cover mounting groove; 7, cable via hole; 8, fixed cover holddown spring.
Embodiment
Problem to be solved in the utility model provides a kind of portable nine yuan of square plane ultrasonic array sensor fixing devices, solves the current engineering problem that does not have special plane type local-discharge ultrasonic array sensor fixing device.
Material Selection of the present utility model: because engineering purposes of the present utility model is for electrical equipment type local-discharge ultrasonic array sensor provides a kind of fixing device, for avoiding the interference of electromagnetic signal, can not use metallic material; Next considers that the electrical equipment major part is under the open-air atmosphere, and selected materials wants to adapt to acid-alkali salt corrosion and other filths that the round the clock variation of the condition such as temperature and humidity of external environment condition and severse weather and atmospheric pollution bring.In view of the foregoing, the utility model is selected ABS commonly used on the engineering: namely by acrylonitrile, butadiene, cinnamic synthetic plastic.ABS is a kind of rigid plastics, has simultaneously certain toughness, and density is about 1.04-1.06g/cm
3, the normal working temperature scope is-25 ℃-60 ℃; Because its oil resistant and antiacid, alkali, salt and chemical reagent etc. are functional, simultaneously also can tolerate to a certain extent the dissolving of organic solvent, and have good moldability, the processed product any surface finish, be easy to dyeing, available machinery, the method such as bonding are carried out secondary operations.Because its high comprehensive performance, so relatively more suitable to selection of the present utility model.
Shown in accompanying drawing 1,2, the utility model comprises fixed cover 1 and magnetic support 2 two-part.Element number of array is nine on the fixed cover 1, i.e. the face battle array structure of nine yuan of square planars 3 * 3.
Shown in accompanying drawing 3,4, fixed cover 1 adopts cylindrical structure, and the cross section is circular, radius 42mm, high 15mm; Bore respectively the cylinder bore of 8mm and 5mm according to the size of single ultrasonic sensor array element, wherein, the hole depth of diameter 8mm is that this hole of 12mm(is as array element slot 4), the hole depth of diameter 5mm is that this hole of 3mm(is as fairlead 5).
Shown in accompanying drawing 5,6, magnetic support 2 is square body, the length of side is 115mm, be provided with cylindrical fixed cover mounting groove 6 on it, fixed cover mounting groove 6 bottoms are provided with cable via hole 7, fixed cover mounting groove 6 and cable via hole 7 are coaxial, diameter is respectively 45mm and 35mm, the former is in order to install fixed cover 1, the latter is wire outlet hole, fixed cover mounting groove 6 bottoms fix one with it coaxial diameter be the fixed cover holddown spring 8 of 40mm, purpose is nine fixing ultrasonic sensor array elements to be pressed in better the electrical equipment outer wall in the fixed cover 1, embeds permanent magnet 3 around magnetic support 2.
This planar array sensor fixing device is used step: first each sensor array element is fixed in the array element slot 4 of fixed cover 1 successively, the cable via hole 7 of signal transmssion line from magnetic support 2 passed, again fixed cover 1 is inserted in the fixed cover mounting groove 6 of magnetic support 2, then magnetic support 2 is coupled in the electrical equipment outer wall, utilize magnet 3 to hold outer wall and fix simultaneously fixed cover 1, signal transmssion line access multi-channel synchronous data acquisition device, get final product Real-time Collection type local-discharge ultrasonic data, change the detection position such as need, only need magnetic support taken off and be coupled in other positions and get final product, simple to operate.
The utility model is easy to carry except having, and is simple to operate, outside the engineering advantages such as stable performance, also has the following advantages simultaneously: this device plug and play of ⑴, can't change when avoiding the damage of single-sensor array element or sensitivity, and affect whole structure; ⑵ this device is array element distance fixedly, guarantees conformity and integrity that each array element of ultrasound array sensor contacts with the electrical equipment outer wall surface; (3) accompany spring between fixed cover 1 and the magnetic support 2, can all array elements be contacted with the electrical equipment outer wall by spring force tightr, coupling effect be better.
Claims (3)
1. square plane ultrasonic array sensor fixing device, it is characterized in that, it comprises magnetic support (2) and fixed cover (1), described fixed cover (1) is cylindrical shape, be provided with a plurality of array element slots (4) that are arranged in square array at its end face relative with electrical equipment outer wall to be detected, the bottom of each array element slot (4) is provided with fairlead (5), the one side that described magnetic support (2) is relative with the electrical equipment outer wall is provided with the cylindrical fixed cover mounting groove (6) that is complementary with fixed cover (1), described fixed cover mounting groove (6) bottom is provided with fixed cover holddown spring (8), and the bottom land middle part of fixed cover mounting groove (6) is provided with cable via hole (7).
2. described square plane ultrasonic array sensor fixing device according to claim 1 is characterized in that, is fixed with a plurality of magnet (3) in magnetic support (2) one side relative with the electrical equipment outer wall, and they evenly distribute around fixed cover mounting groove (6).
3. described square plane ultrasonic array sensor fixing device according to claim 1 and 2 is characterized in that, the array element slot (4) on the described fixed cover (1) arranges 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220312122 CN202647143U (en) | 2012-06-30 | 2012-06-30 | Square plane ultrasonic array sensor fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220312122 CN202647143U (en) | 2012-06-30 | 2012-06-30 | Square plane ultrasonic array sensor fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202647143U true CN202647143U (en) | 2013-01-02 |
Family
ID=47416251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220312122 Expired - Fee Related CN202647143U (en) | 2012-06-30 | 2012-06-30 | Square plane ultrasonic array sensor fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202647143U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837227A (en) * | 2014-03-21 | 2014-06-04 | 国家电网公司 | Piezoelectric sensor |
| CN104062468A (en) * | 2014-06-09 | 2014-09-24 | 广州供电局有限公司 | Ultrasonic sensor fixing device |
| CN104880651A (en) * | 2015-05-28 | 2015-09-02 | 国网山西省电力公司电力科学研究院 | Transformer internal partial discharge determination device and positioning method thereof |
| CN112762290A (en) * | 2020-12-31 | 2021-05-07 | 哈尔滨工业大学 | L-shaped acoustic emission sensor array clamp and test method for detecting gas leakage |
-
2012
- 2012-06-30 CN CN 201220312122 patent/CN202647143U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837227A (en) * | 2014-03-21 | 2014-06-04 | 国家电网公司 | Piezoelectric sensor |
| CN104062468A (en) * | 2014-06-09 | 2014-09-24 | 广州供电局有限公司 | Ultrasonic sensor fixing device |
| CN104880651A (en) * | 2015-05-28 | 2015-09-02 | 国网山西省电力公司电力科学研究院 | Transformer internal partial discharge determination device and positioning method thereof |
| CN112762290A (en) * | 2020-12-31 | 2021-05-07 | 哈尔滨工业大学 | L-shaped acoustic emission sensor array clamp and test method for detecting gas leakage |
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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 |
Granted publication date: 20130102 Termination date: 20140630 |
|
| EXPY | Termination of patent right or utility model |