CN111220258B - High-voltage isolating switch vibration quantity detection system and detection method thereof - Google Patents
High-voltage isolating switch vibration quantity detection system and detection method thereof Download PDFInfo
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- CN111220258B CN111220258B CN202010056157.1A CN202010056157A CN111220258B CN 111220258 B CN111220258 B CN 111220258B CN 202010056157 A CN202010056157 A CN 202010056157A CN 111220258 B CN111220258 B CN 111220258B
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- 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
Abstract
The invention relates to a high-voltage isolating switch vibration quantity detection system and a detection method thereof, which comprises a dot matrix light source and an image sensor, wherein a shakable focusing lens is arranged between the dot matrix light source and the image sensor, the projection area and the projection position of the dot matrix light source on the image sensor can be changed through the shake of the focusing lens in space, and the shake data of the focusing lens, namely the shake data of a fixed position and a high-voltage isolating switch, can be obtained by collecting the projection area and the projection position data at certain intervals; according to the invention, the focusing mirror is supported by the two groups of hollow floating pieces made of the insulating material, so that the possible electromagnetic influence caused by the metal material is reduced; meanwhile, the vibration data is image data taking digital signals as media, compared with analog signals, the fault tolerance rate and the error correction rate of the digital signals are higher, and the denoising and the image output of the whole data can be directly realized by ready-made image processing software.
Description
Technical Field
The invention discloses a system and a method for detecting vibration quantity of a high-voltage isolating switch, and relates to the field of vibration sensors.
Background
The safe and stable operation of the power transformation equipment is of great importance to the power system, the power supply safety is improved, and the fundamental requirement of the power supply reliability is met. The performance of the transformer equipment is gradually degraded under the action of factors such as electricity, heat, machinery, environment and the like during operation, fault hidden danger exists, once a fault occurs, local or even sheet area power failure is caused, national economic production is influenced, normal order of the society is damaged, and loss which is difficult to recover is caused.
The severe wind and sand exist in the gobi of some transformer substation sites, and trip accidents caused by hardware breakage and bolt loosening caused by strong wind after the transformer substation sites are put into operation occur for many times. However, most substations still rely on manual measurement, such as long-distance measurement by an infrared or laser thermometer from a regular person to the site, or manual observation, patch observation and the like, but these do not have the functions of state monitoring, real-time alarming, timely processing and the like.
The isolating switch is primary equipment which is very important and has the largest quantity in a transformer substation, and due to the reasons of equipment manufacturing, environmental pollution, foundation deformation, long-term operation, serious overload operation, contact oxidation, electric arc impact and the like, the isolating switch has the problems of incomplete closing, over-position, contact loosening and the like when being closed, and has potential safety hazards of heating, temperature rise and the like when in operation; this phenomenon is particularly prevalent in areas where the load increases more rapidly.
Therefore, the vibration data of the isolating switch during closing action is quite important information for obtaining the working condition of the isolating switch, how to accurately pick up the vibration signal through the sensor is important, and because the closing switch is in a high-voltage working condition, the influence of electromagnetic interference on the working condition of the sensor is required to be avoided, and the influence of electromagnetic waves on the transmitted vibration signal is also required to be avoided;
traditional isolator vibration sensor is only to pass through mechanical structure or electromagnetic structure to the vibration wave and gather, and what the sensor output is also directly the analog signal of vibration volume, and analog signal then receives electromagnetic interference very easily for signal noise is huge, and data is not accurate enough, and sensor itself also receives electromagnetic influence easily simultaneously, makes the unable normal motion work of sensor.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the technical problem that a vibration detection system of a vibration switch in the prior art is greatly influenced by electromagnetism is solved, and the vibration quantity detection system of the high-voltage isolating switch and the detection method thereof are provided.
1. A high voltage isolator vibration volume detecting system, characterized by: the method comprises the following steps:
a vibration amount detection mechanism;
the vibration amount detection mechanism includes:
the sealing cavity is vacuumized, and the wall surface of the sealing cavity is made of insulating materials; a hardware portion for housing the present detection system; the sealing cavity is of a cubic structure;
the floating pieces are respectively positioned on two side surfaces which are parallel to the ground in the sealing cavity, each floating piece comprises an annular outer frame, the outer frames are fixed on the inner wall of the sealing cavity, a floating supporting point is connected in each outer frame through a plurality of connecting pieces with axes of a curve structure, and the floating supporting points can swing elastically through the connecting pieces and float freely relative to the outer frames;
the floating lens assembly comprises a focusing lens, the focusing lens is a convex lens, a floating rod is arranged between floating supporting points of the two groups of floating pieces, and the focusing lens is fixed in the middle of the floating rod;
the image recognition system comprises a light source plate, wherein a dot matrix light source is arranged on the light source plate, the array area of the dot matrix light source is smaller than the circular area of the focusing mirror, the dot matrix light source is arranged on the inner wall of one side of the sealed cavity, and the dot matrix light source is coaxially arranged on the axis of the focusing mirror in a default state; the image recognition system also comprises an image sensor, the image sensor is used for receiving the light beam of the dot matrix light source focused by the focusing mirror and collecting the position and the shape of the projection generated by the light beam on the image sensor, and the image sensor is positioned in the focal distance of the focusing mirror; the surfaces of the light source plate and the image sensor are vertical to the axis of the focusing mirror; the image sensor outputs image data in real time;
the digital signal transmission module: the digital signal transmission module converts the image data transmitted by the image sensor into digital signals and transmits the digital signals to the data analysis module at the upper stage;
the data analysis module collects and analyzes image data transmitted by each vibration quantity detection mechanism, extracts a plurality of image frames from the influence data transmitted by the image sensor by taking a set time period as a unit, compares the variation of each image frame to obtain the projection variation of the dot matrix light source, and calculates the vibration quantity of the focusing mirror;
an extension cavity is further arranged on the inner wall of the other side of the sealed cavity, an image sensor is arranged at the tail end of the extension cavity, an imaging mirror is further arranged at the front end of the image sensor and located at the end part of the extension cavity, and the imaging mirror is a concave lens; and the focusing mirror, the imaging mirror and the image sensor are coaxially arranged in a default state.
As a further improvement of the invention, a clamping frame is arranged on the inner side of the sealing cavity, an annular clamping groove is arranged on the inner side of the clamping frame, and the outer frame of the floating piece is embedded into the clamping groove.
As a further development of the invention, the connecting piece is arranged zigzag.
As a further improvement of the invention, the floating piece is made by etching a silicon wafer.
As a further improvement of the invention, the floating rod is plate-shaped, and the width of the floating rod is smaller than that of the sealing cavity.
A vibration amount detection method comprising:
in the calibration step, in a static state, a dot matrix light source is focused through a focusing mirror, the dot matrix light source is projected on the surface of an image sensor after being focused, the matrix of light spots of the dot matrix light source on the surface of the image sensor is A, and an image frame obtained by a data analysis module is a matrix A which does not change according to time;
a detection step, in a dynamic state, recording the projection of the floating amount of the focusing mirror on X, Y, Z three axes, namely a matrix B, and analyzing the variation of the matrix B in each image frame relative to the matrix A by a data analysis module, so as to obtain a vibration amount X in an X-axis direction parallel to the ground, a vibration amount Y in a Y-axis direction vertical to the ground and a vibration amount Z in a Z-axis direction vertical to the X-axis and the Y-axis;
when the focusing mirror floats relative to the X axis, the matrix of light spots of the dot matrix light source on the surface of the image sensor is B, the distance between the optical center point O of the focusing mirror and the plane of the image sensor is changed, so that the projection size of the dot matrix light source on the plane of the image sensor is changed, when the focusing mirror moves along the X axis in the positive direction, the projection size is increased, and when the focusing mirror moves along the X axis in the negative direction, the projection size is decreased; recording the size variation of the matrix B and the matrix A in a unit time period to obtain the moving amount of the focusing mirror relative to the image sensor, namely the vibration amount in the X axial direction, which is X, wherein the vibration amount X = L [1-S (B)/S (A) ], wherein S (B) is the area of the matrix B, S (A) is the area of the matrix A, and L is the distance from the optical center of the focusing mirror to the surface of the image sensor in a static state;
when the focusing mirror floats relative to a Y axis, the matrix of light spots of the dot matrix light source on the surface of the image sensor is B, the position of the optical center point O of the focusing mirror relative to the center of the plane of the image sensor is changed, so that the projection position of the dot matrix light source on the plane of the image sensor is changed, when the focusing mirror moves along the Y axis in the positive direction, the projection position moves relative to the Y axis in the positive direction, when the focusing mirror moves along the Y axis in the negative direction, the projection position moves relative to the Y axis in the negative direction, and the change quantity of the center of the matrix B relative to the center of the matrix A on the Y axis in a unit time period is recorded, so that the movement quantity of the focusing mirror relative to the image;
when the focusing mirror floats relative to the Z axis, the matrix of light spots of the dot matrix light source on the surface of the image sensor is B, the optical center point O of the focusing mirror changes relative to the center position of the plane of the image sensor, so that the projection position of the dot matrix light source on the plane of the image sensor changes, when the focusing mirror moves along the Z axis in the positive direction, the projection position moves relative to the Z axis in the positive direction, when the focusing mirror moves along the Z axis in the negative direction, the projection position moves relative to the Z axis in the negative direction, and the variation of the center of the matrix B relative to the center of the matrix A on the Z axis in a unit time period is recorded, so that the movement amount of the focusing mirror relative to the image sensor, namely the vibration.
The invention has the beneficial effects that:
1. according to the invention, the focusing mirror is supported by the two groups of hollow floating pieces made of the insulating material, so that the possible electromagnetic influence caused by the metal material is reduced; meanwhile, the vibration data is image data taking digital signals as media, compared with analog signals, the fault tolerance rate and the error correction rate of the digital signals are higher, the denoising of the whole data and the output of images can be directly realized by ready-made image processing software, and the matrix light spots have more characteristic points, so that part of the characteristic points are lost due to electromagnetic interference in time, and the normal acquisition of the data is still not influenced; the condensing lens has the advantages that the projecting position of the light spot can be changed due to the fact that the condensing lens shakes, compared with a shaking round hole, the condensing lens has higher sensitivity and a reduced light diffraction effect, the area of the image sensor can be reduced due to the condensing lens, and cost is reduced.
2. The extension cavity can enable the image sensor to be arranged independently of the sealing cavity, the free moving range of the collecting lens is enlarged, interference is reduced, meanwhile, the size of light spots of the collecting lens can be freely adjusted by setting the position of the imaging lens, and the condition that the feature points are too small due to too small light spots is prevented.
3. The floating piece is clamped and fixed, and is easy to disassemble and maintain compared with an integrated structure.
4. The length that the connection piece can be prolonged to zigzag arrangement under the prerequisite of guaranteeing joint strength, reduces the width of connection piece, promotes the sensitivity of connection piece.
5. Silicon chip etching is used as a new process and applied to manufacturing of a balance spring of a clock, the material density is more uniform, the etching processing accuracy is higher, compared with a metal material, the silicon chip is not easy to magnetize, and physical parameters such as an elastic curve of the silicon chip cannot be influenced by gravity, electromagnetism and temperature.
6. The floating rod is of a plate-shaped structure, so that redundant light can be prevented from irradiating the image sensor, the accuracy of data is improved, and the noise of the data is reduced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of a vibration quantity detection mechanism;
FIG. 2 is a schematic projection of x-axis vibration;
FIG. 3 is a schematic projection of the amount of y-axis vibration;
fig. 4 is a projection diagram of the z-axis vibration amount.
FIG. 5 is a schematic projection view of an image sensor;
fig. 6 is a schematic structural view of the floating plate.
In the figure: 1. a support frame; 2. a cover plate; 3. fixing the bolt; 4. a clamping frame; 5. a floating piece; 6. a floating rod; 7. a fixing frame; 8. a condenser lens; 9. a dot matrix light source; 10. an extension frame; 11. a terminal cover plate; 12. an image sensor; 13. an imaging mirror; 14. connecting sheets; 15. a floating support point; 16. an outer frame;
l is the distance from the optical center of the focusing mirror to the surface of the image sensor in a static state;
(A) is the area of a matrix A projected on the image sensor by the light source plate through the focusing mirror and the imaging mirror in a static state;
(B) the area of a matrix B projected on the image sensor by the light source plate through the focusing mirror and the imaging mirror in a dynamic state;
y is the moving amount of the focusing lens relative to the center of the image sensor in the Y-axis direction;
z is the movement amount of the focusing mirror relative to the center of the image sensor in the Z-axis direction;
the Y axis is vertical to the ground, the X axis is coaxial with the axis of the focusing mirror, and the Z axis is parallel to the ground and vertical to the X axis and the Y axis.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The invention relates to a vibration quantity detection system of a high-voltage isolating switch, which comprises:
as shown in fig. 1, a vibration amount detection mechanism;
the vibration amount detection mechanism includes:
the sealing cavity comprises a supporting frame with a square barrel structure, cover plates are arranged at two ends of the supporting frame in a sealing mode, fixing bolts are arranged on the cover plates and the edge array of the supporting frame, so that sealing is guaranteed, an extending cavity is arranged on one side wall of the sealing cavity, the extending cavity comprises an extending frame, a tail end cover plate is arranged at the tail end of the extending frame, the tail end cover plate is fixed through the fixing bolts, the whole sealing cavity is vacuumized and made of an insulating material; a hardware portion for housing the present detection system;
as shown in fig. 6, two groups of floating pieces are provided, and are manufactured by using a silicon wafer etching process, the floating pieces are respectively located on two side surfaces of the sealing cavity which are parallel to the ground, each floating piece comprises an annular outer frame, a clamping frame is arranged on the inner side of the supporting frame, an annular clamping groove is arranged on the inner side of the clamping frame, the outer frame of the floating piece is embedded into the clamping groove, a floating supporting point is connected in the outer frame through a plurality of connecting pieces with axes in a zigzag structure, and the floating supporting point can freely float relative to the outer frame through elastic swing of the connecting pieces;
the floating lens assembly comprises a focusing lens, the focusing lens is a convex lens, a floating rod is arranged between floating supporting points of two groups of floating pieces, the floating rod is plate-shaped, the width of the floating rod is smaller than that of the sealing cavity, a fixing frame is vertically fixed in the middle of the floating rod, and the focusing lens is fixed in the middle of the fixing frame;
the image recognition system comprises a light source plate, wherein a dot matrix light source is arranged on the light source plate, and the array area of the dot matrix light source is smaller than the circular area of the focusing mirror; the image recognition system also comprises an image sensor, the image sensor is used for receiving the light beam of the dot matrix light source focused by the focusing mirror and collecting the position and the shape of the projection of the light beam generated by the image sensor, the image sensor is fixed at the tail end of the extension frame, an imaging mirror is arranged at the front end of the image sensor and corresponds to the inner wall of the extension frame, the imaging mirror is a concave lens, and the imaging mirror is positioned in the focal length of the focusing mirror; the surfaces of the light source plate and the image sensor are vertical to the axis of the focusing mirror; the image sensor outputs image data in real time;
the digital signal transmission module: the digital signal transmission module converts the image data transmitted by the image sensor into digital signals and transmits the digital signals to the data analysis module at the upper stage;
the data analysis module collects and analyzes image data transmitted by each vibration quantity detection mechanism, extracts a plurality of image frames from the influence data transmitted by the image sensor by taking a set time period as a unit, compares the variation of each image frame to obtain the projection variation of the dot matrix light source, and then calculates the vibration quantity of the focusing mirror.
In the using process, the vibration quantity detection mechanism is fixed on the isolating switch, and the using process comprises the following steps:
in the calibration step, in a static state, a dot matrix light source is focused through a focusing mirror, the dot matrix light source is projected on the surface of an image sensor after being focused, the matrix of light spots of the dot matrix light source on the surface of the image sensor is A, and an image frame obtained by a data analysis module is a matrix A which does not change according to time;
as shown in fig. 5, in the detecting step, under a dynamic state, the projection of the floating amount of the focusing mirror on X, Y, Z three axes, namely a matrix B, is recorded, and the data analysis module analyzes the variation of the matrix B in each image frame at the moment relative to the matrix a, so as to obtain a vibration amount X in an X-axis direction parallel to the ground, a vibration amount Y in a Y-axis direction perpendicular to the ground, and a vibration amount Z in a Z-axis direction perpendicular to the X-axis and the Y-axis;
as shown in fig. 2, when the focusing mirror floats with respect to the X-axis, the matrix of the light spots of the dot matrix light source on the surface of the image sensor is B, the distance between the optical center O of the focusing mirror and the plane of the image sensor changes, so that the projection size of the dot matrix light source on the plane of the image sensor changes, when the focusing mirror moves along the X-axis in the positive direction, the projection size becomes larger, and when the focusing mirror moves along the X-axis in the negative direction, the projection size becomes smaller; recording the size variation of the matrix B and the matrix A in a unit time period to obtain the moving amount of the focusing mirror relative to the image sensor, namely the vibration amount in the X axial direction, which is X, wherein the vibration amount X = L [1-S (B)/S (A) ], wherein S (B) is the area of the matrix B, S (A) is the area of the matrix A, and L is the distance from the optical center of the focusing mirror to the surface of the image sensor in a static state;
as shown in fig. 3, when the focusing mirror floats with respect to the Y-axis, the matrix of light spots of the dot matrix light source on the surface of the image sensor is B, the optical center O of the focusing mirror changes with respect to the center of the plane of the image sensor, so that the projection position of the dot matrix light source on the plane of the image sensor changes, when the focusing mirror moves along the Y-axis, the projection position moves in the positive direction with respect to the Y-axis, when the focusing mirror moves in the negative direction along the Y-axis, the projection position moves in the negative direction with respect to the Y-axis, and the variation of the center of the matrix B with respect to the center of the matrix a on the Y-axis in a unit time period is recorded, so as to obtain the movement amount of the focusing;
referring to fig. 4, when the focusing mirror floats with respect to the Z-axis, the matrix of light spots of the dot matrix light source on the surface of the image sensor is B, the optical center O of the focusing mirror changes with respect to the center of the plane of the image sensor, so that the projection position of the dot matrix light source on the plane of the image sensor changes, when the focusing mirror moves in the positive direction along the Z-axis, the projection position moves in the positive direction with respect to the Z-axis, when the focusing mirror moves in the negative direction along the Z-axis, the projection position moves in the negative direction with respect to the Z-axis, and the amount of change in the center of the matrix B with respect to the center of the matrix a in the Z-axis in a unit time period is recorded, so that the amount of.
Finally, according to the interval time T of each image frame, the difference is subtracted from the vibration quantity x, y and z of each image frame array, so that the jitter rates v (x), v (y) and v (z) can be obtained compared with the interval time T, and the jitter acceleration a (x), a (y) and a (z) can be obtained compared with the interval time T.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A high voltage isolator vibration volume detecting system, characterized by: the method comprises the following steps:
a vibration amount detection mechanism;
the vibration amount detection mechanism includes:
the sealing cavity is vacuumized, and the wall surface of the sealing cavity is made of insulating materials; a hardware portion for housing the present detection system; the sealing cavity is of a cubic structure;
the floating pieces are respectively positioned on two side surfaces which are parallel to the ground in the sealing cavity, each floating piece comprises an annular outer frame, the outer frames are fixed on the inner wall of the sealing cavity, a floating supporting point is connected in each outer frame through a plurality of connecting pieces with axes of a curve structure, and the floating supporting points can swing elastically through the connecting pieces and float freely relative to the outer frames;
the floating lens assembly comprises a focusing lens, the focusing lens is a convex lens, a floating rod is arranged between floating supporting points of the two groups of floating pieces, and the focusing lens is fixed in the middle of the floating rod;
the image recognition system comprises a light source plate, wherein a dot matrix light source is arranged on the light source plate, the array area of the dot matrix light source is smaller than the circular area of the focusing mirror, the dot matrix light source is arranged on the inner wall of one side of the sealed cavity, and the dot matrix light source is coaxially arranged on the axis of the focusing mirror in a default state; the image recognition system also comprises an image sensor, the image sensor is used for receiving the light beam of the dot matrix light source focused by the focusing mirror and collecting the position and the shape of the projection generated by the light beam on the image sensor, and the image sensor is positioned in the focal distance of the focusing mirror; the surfaces of the light source plate and the image sensor are vertical to the axis of the focusing mirror; the image sensor outputs image data in real time;
the digital signal transmission module: the digital signal transmission module converts the image data transmitted by the image sensor into digital signals and transmits the digital signals to the data analysis module at the upper stage;
the data analysis module collects and analyzes image data transmitted by each vibration quantity detection mechanism, extracts a plurality of image frames from the image data transmitted by the image sensor by taking a set time period as a unit, compares the variation of each image frame to obtain the projection variation of the dot matrix light source, and calculates the vibration quantity of the focusing mirror;
an extension cavity is further arranged on the inner wall of the other side of the sealed cavity, an image sensor is arranged at the tail end of the extension cavity, an imaging mirror is further arranged at the front end of the image sensor and located at the end part of the extension cavity, and the imaging mirror is a concave lens; and the focusing mirror, the imaging mirror and the image sensor are coaxially arranged in a default state.
2. The vibration amount detection system of the high-voltage isolating switch as claimed in claim 1, wherein: the inner side of the sealing cavity is provided with a clamping frame, the inner side of the clamping frame is provided with an annular clamping groove, and the outer frame of the floating piece is embedded into the clamping groove.
3. The vibration amount detection system of the high-voltage isolating switch as claimed in claim 1, wherein: the connecting pieces are arranged in a zigzag manner.
4. The vibration amount detection system of the high-voltage isolating switch as claimed in claim 1, wherein: the floating piece is made by etching a silicon wafer.
5. The vibration detecting system of the high-voltage isolating switch as claimed in claim 4, wherein: the floating rod is plate-shaped, and the width of the floating rod is smaller than that of the sealing cavity.
6. A vibration quantity detection method of a vibration quantity detection system of a high-voltage isolator as claimed in claim 1, characterized in that: the method comprises the following steps:
in the calibration step, in a static state, a dot matrix light source is focused through a focusing mirror, the dot matrix light source is projected on the surface of an image sensor after being focused, the matrix of light spots of the dot matrix light source on the surface of the image sensor is A, and an image frame obtained by a data analysis module is a matrix A which does not change according to time;
a detection step, in a dynamic state, recording the projection of the floating amount of the focusing mirror on X, Y, Z three axes, namely a matrix B, and analyzing the variation of the matrix B in each image frame relative to the matrix A by a data analysis module, so as to obtain a vibration amount X in an X-axis direction parallel to the ground, a vibration amount Y in a Y-axis direction vertical to the ground and a vibration amount Z in a Z-axis direction vertical to the X-axis and the Y-axis;
when the focusing mirror floats relative to the X axis, the matrix of light spots of the dot matrix light source on the surface of the image sensor is B, the distance between the optical center point O of the focusing mirror and the plane of the image sensor is changed, so that the projection size of the dot matrix light source on the plane of the image sensor is changed, when the focusing mirror moves along the X axis in the positive direction, the projection size is increased, and when the focusing mirror moves along the X axis in the negative direction, the projection size is decreased; recording the size variation of the matrix B and the matrix A in a unit time period to obtain the moving amount of the focusing mirror relative to the image sensor, namely the vibration amount in the X axial direction, which is X, wherein the vibration amount X is L [1-S (B)/S (A) ], wherein S (B) is the area of the matrix B, S (A) is the area of the matrix A, and L is the distance from the optical center of the focusing mirror to the surface of the image sensor in a static state;
when the focusing mirror floats relative to a Y axis, the matrix of light spots of the dot matrix light source on the surface of the image sensor is B, the position of the optical center point O of the focusing mirror relative to the center of the plane of the image sensor is changed, so that the projection position of the dot matrix light source on the plane of the image sensor is changed, when the focusing mirror moves along the Y axis in the positive direction, the projection position moves relative to the Y axis in the positive direction, when the focusing mirror moves along the Y axis in the negative direction, the projection position moves relative to the Y axis in the negative direction, and the change quantity of the center of the matrix B relative to the center of the matrix A on the Y axis in a unit time period is recorded, so that the movement quantity of the focusing mirror relative to the image;
when the focusing mirror floats relative to the Z axis, the matrix of light spots of the dot matrix light source on the surface of the image sensor is B, the optical center point O of the focusing mirror changes relative to the center position of the plane of the image sensor, so that the projection position of the dot matrix light source on the plane of the image sensor changes, when the focusing mirror moves along the Z axis in the positive direction, the projection position moves relative to the Z axis in the positive direction, when the focusing mirror moves along the Z axis in the negative direction, the projection position moves relative to the Z axis in the negative direction, and the variation of the center of the matrix B relative to the center of the matrix A on the Z axis in a unit time period is recorded, so that the movement amount of the focusing mirror relative to the image sensor, namely the vibration.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003202213A (en) * | 2001-10-29 | 2003-07-18 | Mitsutoyo Corp | Attitude detecting sensor, acceleration sensor and moving path measuring device using the same |
| CN104614064A (en) * | 2015-02-13 | 2015-05-13 | 福州大学 | High speed multi-dimensional vibration measuring device and method based on stripe target |
| CN105372059A (en) * | 2015-12-15 | 2016-03-02 | 河海大学常州校区 | High-voltage isolating switch mechanical characteristic on-line monitoring apparatus and monitoring method thereof |
| CN105527012A (en) * | 2015-12-31 | 2016-04-27 | 红塔烟草(集团)有限责任公司 | Laser measurement device for simply measuring mechanical vibration amplitude |
| JP2017003397A (en) * | 2015-06-09 | 2017-01-05 | 国立大学法人 新潟大学 | Flat surface vibration measurement device and flat surface vibration measurement method |
| CN106338335A (en) * | 2016-11-07 | 2017-01-18 | 西华大学 | Image based online sleeper vibration monitoring method |
| CN107036534A (en) * | 2016-02-03 | 2017-08-11 | 北京振兴计量测试研究所 | Method and system based on laser speckle measurement Vibration Targets displacement |
| 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 |
-
2020
- 2020-01-18 CN CN202010056157.1A patent/CN111220258B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003202213A (en) * | 2001-10-29 | 2003-07-18 | Mitsutoyo Corp | Attitude detecting sensor, acceleration sensor and moving path measuring device using the same |
| CN104614064A (en) * | 2015-02-13 | 2015-05-13 | 福州大学 | High speed multi-dimensional vibration measuring device and method based on stripe target |
| JP2017003397A (en) * | 2015-06-09 | 2017-01-05 | 国立大学法人 新潟大学 | Flat surface vibration measurement device and flat surface vibration measurement method |
| CN105372059A (en) * | 2015-12-15 | 2016-03-02 | 河海大学常州校区 | High-voltage isolating switch mechanical characteristic on-line monitoring apparatus and monitoring method thereof |
| CN105527012A (en) * | 2015-12-31 | 2016-04-27 | 红塔烟草(集团)有限责任公司 | Laser measurement device for simply measuring mechanical vibration amplitude |
| CN107036534A (en) * | 2016-02-03 | 2017-08-11 | 北京振兴计量测试研究所 | Method and system based on laser speckle measurement Vibration Targets displacement |
| CN106338335A (en) * | 2016-11-07 | 2017-01-18 | 西华大学 | Image based online sleeper vibration monitoring method |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 高压隔离开关典型机械故障与检测方法分析;董洪达 等;《电工技术》;20181231(第4(上)期);第36-38、42页 * |
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