CN111458012A - Non-contact micro-vibration detection device and detection method for electric power equipment - Google Patents
Non-contact micro-vibration detection device and detection method for electric power equipment Download PDFInfo
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- CN111458012A CN111458012A CN202010472180.9A CN202010472180A CN111458012A CN 111458012 A CN111458012 A CN 111458012A CN 202010472180 A CN202010472180 A CN 202010472180A CN 111458012 A CN111458012 A CN 111458012A
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- 238000001514 detection method Methods 0.000 title claims abstract description 47
- CPBQJMYROZQQJC-UHFFFAOYSA-N helium neon Chemical compound [He].[Ne] CPBQJMYROZQQJC-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 abstract description 4
- 239000000523 sample Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
Abstract
The invention discloses a non-contact micro-vibration detection device and a detection method for power equipment, and solves the problem of how to conveniently and accurately detect micro-vibration of power transformation equipment. The detection moving trolley (1) is arranged right ahead of a detected device (12), a horizontal turntable supporting shaft (2), a horizontal turntable driving motor (4) and an electric controller (20) are respectively arranged on the detection moving trolley (1), a portal frame (8) is arranged at an eccentric position on a horizontal turntable (3), a vertical turntable (10) is arranged on a vertical turntable bearing, a helium-neon laser micro-vibration tester (11) is arranged at an eccentric position on the surface of the vertical turntable, a vertical turntable driving motor (16) is arranged at the top end of a vertical turntable driving motor supporting frame (15), and the helium-neon laser micro-vibration tester (11), the horizontal turntable driving motor and the vertical turntable driving motor are respectively and electrically connected with the electric controller. The function of detecting the micro-vibration of the non-contact power transformation equipment is achieved.
Description
Technical Field
The invention relates to a detection device, in particular to a detection device and a detection method for micro-vibration of non-contact power equipment.
Background
The detection means of the micro-vibration mainly depends on a method of arranging a vibration detector on the surface of the equipment, and the principle is as follows: the vibration measuring probe is tightly attached to the shell of the equipment, and micro-vibration signals of the detection equipment are acquired; however, this method has serious restrictions in the actual operation process, firstly, the probe generally adopts a piezoelectric sensing device, and if manual detection is adopted, that is, the probe is held tightly to the device shell, the detection precision of the micro-vibration is affected due to inaccurate control of the pressing force; secondly, part of equipment in the high-voltage-level transformer substation has safety distance requirements, and the surface of the equipment cannot be attached by holding a probe; in addition, in a handheld detection mode, detection point layout is difficult to achieve scientifically and reasonably, the whole equipment body is difficult to cover completely, and therefore the vibration information of the equipment is not collected completely; thirdly, the existing detection means is time-consuming and labor-consuming, and large-area scanning detection and automatic judgment of a scanning area cannot be carried out.
Disclosure of Invention
The invention provides a non-contact micro-vibration detection device and a detection method for power equipment, and solves the technical problem of how to conveniently and accurately detect the micro-vibration of power transformation equipment.
The invention solves the technical problems by the following technical scheme:
a non-contact micro-vibration detection device for power equipment comprises a detection moving trolley and detected equipment, wherein the detection moving trolley is arranged right ahead the detected equipment, a horizontal turntable supporting shaft, a horizontal turntable driving motor and an electric controller are respectively arranged on the detection moving trolley, a horizontal turntable bearing is arranged at the top end of the horizontal turntable supporting shaft, a horizontal turntable is arranged on the horizontal turntable bearing, a horizontal turntable rotation driving tooth is arranged on the outer circle side surface of the horizontal turntable, an upward output shaft of the horizontal turntable driving motor is connected with a horizontal turntable driving shaft through a horizontal turntable driving shaft coupler, a horizontal turntable driving pinion is arranged at the top end of the horizontal turntable driving shaft, the horizontal turntable driving pinion is meshed with the horizontal turntable, a portal frame is arranged at the eccentric position on the horizontal turntable, and a portal frame top transverse shaft is arranged at the top end of the portal frame, a vertical turntable bearing is arranged on a cross shaft at the top of the portal frame, a vertical turntable is arranged on the vertical turntable bearing, a helium-neon laser micro-vibration tester is arranged at the eccentric position of the surface of the vertical turntable, a vertical turntable rotation driving tooth is arranged on the outer circle side surface of the vertical turntable, a vertical turntable driving motor support frame is arranged on a horizontal turntable at the outer side of the portal frame, a vertical turntable driving motor is arranged at the top end of the vertical turntable driving motor support frame, a horizontal output shaft of the vertical turntable driving motor is connected with a vertical turntable driving shaft through a vertical turntable driving shaft coupler, a vertical turntable driving pinion is connected at the outer side end of the vertical turntable driving shaft, and the vertical turntable driving pinion is meshed with the vertical turntable; the helium-neon laser microvibration tester, the horizontal turntable driving motor and the vertical turntable driving motor are respectively and electrically connected with the electric controller.
A monocular camera supporting frame is arranged on the horizontal turntable, a monocular camera is arranged on the monocular camera supporting frame, and the monocular camera is electrically connected with the electric controller.
A detection method of a non-contact electric power equipment micro-vibration detection device is characterized by comprising the following steps:
firstly, moving a detection moving trolley to the front of a detected device, shooting an image of a detected part on the detected device through a monocular camera, and transmitting the image to a control computer in an electric controller;
secondly, determining the scanning range of the helium-neon laser micro-vibration tester by a control computer in the electric controller according to the image obtained in the first step;
thirdly, in the scanning range determined in the second step, the electric controller drives the motor through the horizontal turntable to control the horizontal turntable to rotate, and the helium-neon laser micro-vibration tester obtains a micro-vibration signal on a first horizontal line on the detected equipment; the electric controller stops after controlling the vertical turntable to rotate for 5 degrees, then the electric controller controls the horizontal turntable to rotate through the horizontal turntable driving motor, and the helium-neon laser micro-vibration tester obtains a micro-vibration signal on a second horizontal line on the detected equipment; repeating the steps, and obtaining micro-vibration signals on horizontal lines on a group of detected equipment which are parallel to each other in the scanning range determined in the second step by the helium-neon laser micro-vibration tester;
fourthly, in the scanning range determined in the second step, the electric controller drives the motor to control the vertical turntable to rotate through the vertical turntable, and the helium-neon laser micro-vibration tester obtains a micro-vibration signal on a first vertical line on the detected equipment; the electric controller controls the horizontal turntable to rotate for 5 degrees, then the electric controller controls the vertical turntable to rotate by controlling the vertical turntable to drive the motor, and the helium-neon laser micro-vibration tester obtains a micro-vibration signal on a second vertical line on the detected equipment; repeating the steps, and obtaining vertical micro-vibration signals on a group of detected equipment which are parallel to each other in the scanning range determined in the second step by the helium-neon laser micro-vibration tester;
and fifthly, using a control computer in the electric controller to take the intersection point of the group of horizontal lines obtained in the third step and the group of vertical lines obtained in the fourth step as a micro-vibration sampling point on the detected equipment, and analyzing the vibration frequency of the micro-vibration signal on the intersection point to obtain a micro-vibration detection result.
According to the invention, contour extraction is carried out on the detected equipment through monocular imaging, and the data of the laser ranging device is combined, so that the position of the scanned equipment is accurately positioned, the detection of the vibration signal of the detected object and the automatic selection of the scanning point are realized, and the function of micro-vibration detection of the non-contact power transformation equipment is achieved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
a non-contact micro-vibration detection device for electrical equipment comprises a detection moving trolley 1 and detected equipment 12, wherein the detection moving trolley 1 is arranged right ahead the detected equipment 12, a horizontal turntable supporting shaft 2, a horizontal turntable driving motor 4 and an electric controller 20 are respectively arranged on the detection moving trolley 1, a horizontal turntable bearing is arranged at the top end of the horizontal turntable supporting shaft 2, a horizontal turntable 3 is arranged on the horizontal turntable bearing, a horizontal turntable rotation driving gear is arranged on the outer circle side surface of the horizontal turntable 3, an upward output shaft of the horizontal turntable driving motor 4 is connected with a horizontal turntable driving shaft 6 through a horizontal turntable driving shaft coupler 5, a horizontal turntable driving pinion 7 is arranged at the top end of the horizontal turntable driving shaft 6, the horizontal turntable driving pinion 7 is meshed with the horizontal turntable 3, and a portal frame 8 is arranged at the eccentric position on the horizontal turntable 3, a portal frame top cross shaft 9 is arranged at the top end of a portal frame 8, a vertical turntable bearing is arranged on the portal frame top cross shaft 9, a vertical turntable 10 is arranged on the vertical turntable bearing, a helium-neon laser micro-vibration tester 11 is arranged at the eccentric position of the surface of the vertical turntable 10, a vertical turntable rotation driving tooth is arranged on the outer circle side surface of the vertical turntable 10, a vertical turntable driving motor support frame 15 is arranged on a horizontal turntable 3 outside the portal frame 8, a vertical turntable driving motor 16 is arranged at the top end of the vertical turntable driving motor support frame 15, the horizontal output shaft of the vertical turntable driving motor 16 is connected with a vertical turntable driving shaft 18 through a vertical turntable driving shaft coupler 17, a vertical turntable driving pinion 19 is connected at the outer side end of the vertical turntable driving shaft 18, and the vertical turntable driving pinion 19 is meshed with the vertical turntable 10; the helium neon laser microvibration tester 11, the horizontal turntable driving motor 4 and the vertical turntable driving motor 16 are respectively and electrically connected with an electric controller 20.
A monocular camera supporting frame 14 is arranged on the horizontal turntable 3, a monocular camera 13 is arranged on the monocular camera supporting frame 13, and the monocular camera 13 is electrically connected with an electric controller 20.
A detection method of a non-contact electric power equipment micro-vibration detection device is characterized by comprising the following steps:
firstly, moving the detection moving trolley 1 to the front of the detected equipment 12, shooting an image of a detected part on the detected equipment 12 through a monocular camera 13, and transmitting the image to a control computer in an electric controller 20;
secondly, the control computer in the electric controller 20 determines the scanning range of the helium-neon laser micro-vibration tester 11 according to the image obtained in the first step;
thirdly, in the scanning range determined in the second step, the electric controller 20 drives the motor 4 through the horizontal turntable to control the horizontal turntable 3 to rotate, and the helium-neon laser micro-vibration tester 11 obtains a micro-vibration signal on a first horizontal line on the detected equipment 12; the electric controller 20 stops after controlling the vertical turntable 10 to rotate for 5 degrees, then the electric controller 20 controls the horizontal turntable 3 to rotate through the horizontal turntable driving motor 4, and the helium-neon laser micro-vibration tester 11 obtains a micro-vibration signal on a second horizontal line on the detected equipment 12; repeating the above steps, the helium-neon laser micro-vibration tester 11 obtaining horizontal micro-vibration signals on a group of detected devices 12 parallel to each other within the scanning range determined in the second step;
fourthly, in the scanning range determined in the second step, the electric controller 20 controls the vertical turntable 10 to rotate through the vertical turntable driving motor 16, and the helium-neon laser micro-vibration tester 11 obtains a micro-vibration signal on a first vertical line on the detected equipment 12; the electric controller 20 controls the horizontal turntable 3 to rotate for 5 degrees, then the electric controller 20 controls the vertical turntable 10 to rotate by controlling the vertical turntable driving motor 16, and the helium-neon laser micro-vibration tester 11 obtains a micro-vibration signal on a second vertical line on the detected equipment 12; repeating the above steps, the helium-neon laser micro-vibration tester 11 obtaining vertical micro-vibration signals on a group of detected devices 12 parallel to each other within the scanning range determined in the second step;
and step five, the control computer in the electric controller 20 takes the intersection point of the group of horizontal lines obtained in the step three and the group of vertical lines obtained in the step four as a micro-vibration sampling point on the detected equipment 12, and analyzes the vibration frequency of the micro-vibration signal on the intersection point to obtain a micro-vibration detection result.
Claims (3)
1. A non-contact micro-vibration detection device for power equipment comprises a detection moving trolley (1) and detected equipment (12), wherein the detection moving trolley (1) is arranged right ahead the detected equipment (12), a horizontal turntable supporting shaft (2), a horizontal turntable driving motor (4) and an electric controller (20) are respectively arranged on the detection moving trolley (1), a horizontal turntable bearing is arranged at the top end of the horizontal turntable supporting shaft (2), a horizontal turntable (3) is arranged on the horizontal turntable bearing, horizontal turntable rotation driving teeth are arranged on the lateral surface of the excircle of the horizontal turntable (3), the upward output shaft of the horizontal turntable driving motor (4) is connected with a horizontal turntable driving shaft (6) through a horizontal turntable driving shaft coupler (5), a horizontal turntable driving pinion (7) is arranged at the top end of the horizontal turntable driving shaft (6), the horizontal turntable driving pinion (7) is meshed with the horizontal turntable (3) together, and the vertical turntable driving motor support is characterized in that a portal frame (8) is arranged at the eccentric position on the horizontal turntable (3), a portal frame top transverse shaft (9) is arranged at the top end of the portal frame (8), a vertical turntable bearing is arranged on the portal frame top transverse shaft (9), a vertical turntable (10) is arranged on the vertical turntable bearing, a helium-neon laser micro-vibration tester (11) is arranged at the eccentric position of the disc surface of the vertical turntable (10), a vertical turntable rotation driving gear is arranged on the outer circle side surface of the vertical turntable (10), a vertical turntable driving motor support frame (15) is arranged on the horizontal turntable (3) outside the portal frame (8), a vertical turntable driving motor (16) is arranged at the top end of the vertical turntable driving motor support frame (15), and the horizontal output shaft of the vertical turntable driving motor (16) is connected with a vertical turntable driving shaft (18) through a vertical turntable driving ) A vertical turntable driving pinion (19) is connected to the outer end of the vertical turntable driving shaft (18), and the vertical turntable driving pinion (19) is meshed with the vertical turntable (10); the helium neon laser microvibration tester (11), the horizontal turntable driving motor (4) and the vertical turntable driving motor (16) are respectively and electrically connected with the electric controller (20).
2. A non-contact electric power equipment micro-vibration detection device according to claim 1, characterized in that a monocular camera support (13) is arranged on the horizontal turntable (3), a monocular camera (13) is arranged on the monocular camera support (14), and the monocular camera (13) is electrically connected with the electric controller (20).
3. The method for detecting the micro-vibration detection device of the contactless power equipment as claimed in claim 2, characterized by the steps of:
firstly, moving a detection moving trolley (1) to the front of a detected device (12), shooting an image of a detected part on the detected device (12) through a monocular camera (13), and transmitting the image to a control computer in an electric controller (20);
secondly, a control computer in the electric controller (20) determines the scanning range of the helium-neon laser micro-vibration tester (11) according to the image obtained in the first step;
thirdly, in the scanning range determined in the second step, the electric controller (20) drives the motor (4) through the horizontal turntable to control the horizontal turntable (3) to rotate, and the helium-neon laser micro-vibration tester (11) obtains a micro-vibration signal on a first horizontal line on the detected equipment (12); the electric controller (20) stops after controlling the vertical turntable (10) to rotate for 5 degrees, then the electric controller (20) controls the horizontal turntable (3) to rotate through the horizontal turntable driving motor (4), and the helium-neon laser micro-vibration tester (11) obtains a micro-vibration signal on a second horizontal line on the detected equipment (12); repeating the steps, and obtaining micro-vibration signals on horizontal lines on a group of detected equipment (12) which are parallel to each other in the scanning range determined in the second step by the helium-neon laser micro-vibration tester (11);
fourthly, in the scanning range determined in the second step, the electric controller (20) controls the vertical turntable (10) to rotate through the vertical turntable driving motor (16), and the helium-neon laser micro-vibration tester (11) obtains a micro-vibration signal on a first vertical line on the detected equipment (12); the electric controller (20) controls the horizontal turntable (3) to rotate for 5 degrees, then the electric controller (20) controls the vertical turntable (10) to rotate by controlling the vertical turntable driving motor (16), and the helium-neon laser micro-vibration tester (11) obtains a micro-vibration signal on a second vertical line on the detected equipment (12); repeating the steps, and obtaining vertical micro-vibration signals on a group of detected equipment (12) which are parallel to each other in the scanning range determined in the second step by the helium-neon laser micro-vibration tester (11);
and fifthly, the control computer in the electric controller (20) takes the intersection point of the group of horizontal lines obtained in the third step and the group of vertical lines obtained in the fourth step as a micro-vibration sampling point on the detected equipment (12), and analyzes the vibration frequency of the micro-vibration signal on the intersection point to obtain a micro-vibration detection result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010472180.9A CN111458012A (en) | 2020-05-29 | 2020-05-29 | Non-contact micro-vibration detection device and detection method for electric power equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010472180.9A CN111458012A (en) | 2020-05-29 | 2020-05-29 | Non-contact micro-vibration detection device and detection method for electric power equipment |
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| CN111458012A true CN111458012A (en) | 2020-07-28 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202066834U (en) * | 2011-04-29 | 2011-12-07 | 山西省电力公司电力科学研究院 | Non-destructive detecting device |
| CN205539242U (en) * | 2016-01-29 | 2016-08-31 | 深圳钰湖电力有限公司 | Intelligent inspection device of power plant and system |
| CN107478318A (en) * | 2017-08-02 | 2017-12-15 | 深圳钰湖电力有限公司 | A kind of vibration measuring control method of crusing robot system |
| CN108254063A (en) * | 2018-03-20 | 2018-07-06 | 南京凯奥思数据技术有限公司 | Track the vibration measurement device and method of rotating vane |
| CN110763325A (en) * | 2019-10-24 | 2020-02-07 | 国家电网有限公司 | Transformer vibration measurement device and method based on laser vibration measurement |
| CN210165925U (en) * | 2019-07-29 | 2020-03-20 | 浙江树人学院（浙江树人大学） | Three-dimensional scanning device capable of being adjusted at multiple angles |
| CN212254332U (en) * | 2020-05-29 | 2020-12-29 | 国网山西省电力公司电力科学研究院 | Micro-vibration detection device for non-contact power equipment |
-
2020
- 2020-05-29 CN CN202010472180.9A patent/CN111458012A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202066834U (en) * | 2011-04-29 | 2011-12-07 | 山西省电力公司电力科学研究院 | Non-destructive detecting device |
| CN205539242U (en) * | 2016-01-29 | 2016-08-31 | 深圳钰湖电力有限公司 | Intelligent inspection device of power plant and system |
| CN107478318A (en) * | 2017-08-02 | 2017-12-15 | 深圳钰湖电力有限公司 | A kind of vibration measuring control method of crusing robot system |
| CN108254063A (en) * | 2018-03-20 | 2018-07-06 | 南京凯奥思数据技术有限公司 | Track the vibration measurement device and method of rotating vane |
| CN210165925U (en) * | 2019-07-29 | 2020-03-20 | 浙江树人学院（浙江树人大学） | Three-dimensional scanning device capable of being adjusted at multiple angles |
| CN110763325A (en) * | 2019-10-24 | 2020-02-07 | 国家电网有限公司 | Transformer vibration measurement device and method based on laser vibration measurement |
| CN212254332U (en) * | 2020-05-29 | 2020-12-29 | 国网山西省电力公司电力科学研究院 | Micro-vibration detection device for non-contact power equipment |
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