CN219368663U - Calibrating device and calibrating system for laser meter - Google Patents
Calibrating device and calibrating system for laser meter Download PDFInfo
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- CN219368663U CN219368663U CN202320706021.XU CN202320706021U CN219368663U CN 219368663 U CN219368663 U CN 219368663U CN 202320706021 U CN202320706021 U CN 202320706021U CN 219368663 U CN219368663 U CN 219368663U
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- flywheel
- calibration
- calibrating
- laser meter
- laser
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model discloses a calibration device and a calibration system for a laser meter, relates to the technical field of laser measurement, and can at least partially solve the problem that inaccurate measurement data is easily caused by direct measurement of the laser meter in the prior art. The calibrating device for the laser meter comprises a calibrating flywheel and a driving motor, wherein the axis of the calibrating flywheel is horizontally arranged, the driving motor is used for driving the calibrating flywheel to rotate at a uniform speed, and the calibrating flywheel is arranged on an output shaft of the driving motor or is coaxially and fixedly connected with the output shaft of the driving motor; the device further comprises a number verification component for counting the number of rotations of the calibration flywheel.
Description
Technical Field
The utility model relates to the technical field of laser measurement, in particular to a calibration device and a calibration system for a laser meter.
Background
The laser meter is a non-contact length measuring device. In the actual length measurement process, the length measurement of the laser meter under the self measurement reference is often not accurate enough, and when the length measurement data and the actual length data are verified, a large error is often caused, so when the length measurement is directly carried out on the laser meter which is not calibrated by the length standard, a large length data deviation often exists between the measured length data and the actual length data of the laser meter.
Therefore, it is necessary to design a calibration device for a laser meter, so that the calibration device can calibrate the length measurement data of the laser meter, so that the length measurement data of the laser meter is linked to the actual length data through the calibration device, and further the measured length of the laser meter is equal to the actual length, so as to solve the measurement error problem of the laser meter based on the self reference.
In view of this, the present application is specifically proposed.
Disclosure of Invention
The utility model aims to provide a calibration device and a calibration system for a laser meter, which are used for solving the problem that direct measurement has errors due to the fact that the laser meter is based on a self measurement reference in the prior art.
In order to solve the technical problems, the utility model adopts the following scheme:
the utility model provides a calibrating device for a laser meter, which comprises a calibrating flywheel and a driving motor, wherein the axis of the calibrating flywheel is horizontally arranged, and the driving motor is used for driving the calibrating flywheel to rotate;
the device also comprises a number verification component for counting and verifying the number of rotation of the calibration flywheel.
In some alternative embodiments, the turn verification assembly includes a count switch disposed on the drive motor, and a stop disposed on the calibration flywheel, the stop being located on a side of the calibration flywheel proximate to the count switch.
In some alternative embodiments, the calibrated flywheel has a perimeter dimension tolerance of less than three millionths of a millimeter.
In some alternative embodiments, the circumferential wall of the calibration flywheel is provided with a circular marking structure arranged coaxially with the calibration flywheel and used for marking multiple calibration positions.
In some alternative embodiments, the annular marking structure is an annular groove formed on the peripheral wall of the calibration flywheel; the dimensional tolerance of the bottom surface of the circular groove is less than three millionths of a millimeter.
In some alternative embodiments, the drive motor is a servo motor.
In some alternative embodiments, the device further comprises a servo driver and a PLC control board electrically connected with the servo motor, and a touch control screen electrically connected with the PLC control board.
In some optional embodiments, the device further comprises a box body, wherein the servo driver and the PLC control panel are arranged in the box body, and the driving motor and the touch control screen are arranged at the top of the box body.
In some alternative embodiments, the box body is provided with a top inclined mounting box seat, and the touch control screen is obliquely arranged on the top inclined surface of the mounting box seat.
In some alternative embodiments, a cover plate is hinged to the top inclined surface of the mounting box seat.
In some optional embodiments, the calibration flywheel is further provided with a plurality of through holes for weight reduction, and the through holes are uniformly distributed in an annular array along the circumference of the calibration flywheel.
The utility model further provides a calibration system, which comprises the calibration device for the laser meter, and further comprises the laser meter, wherein a laser emission probe of the laser meter is positioned above the calibration flywheel and is opposite to the annular groove, the width of the annular groove is larger than that of the detection light path, and the end point of the detection light path emitted by the laser emission probe is positioned in the annular groove.
The utility model has the beneficial effects that:
the utility model relates to a calibrating device for a laser meter, which comprises a calibrating flywheel and a driving motor, wherein the axis of the calibrating flywheel is horizontally arranged, and the driving motor is used for driving the calibrating flywheel to rotate;
the device also comprises a number verification component for counting and verifying the number of rotation of the calibration flywheel.
The effect is as follows: through setting a rotating calibration flywheel and a driving motor for driving the flywheel to rotate, the calibration flywheel can obtain a calibration length according to the rotation number of the calibration flywheel multiplied by the circumference of the calibration flywheel after rotating for a certain number of times, and then the calibration length is utilized to calibrate the measurement length of the laser meter to obtain the calibrated measurement length; the design concept of a measuring link from the measuring length to the calibrating length and then from the calibrating length to the actual length can be realized, so that the problem that errors exist in direct measurement caused by the fact that the laser meter is based on the self measuring standard in the prior art is solved.
In addition, through setting up the number of turns verification subassembly that carries out the count verification to the number of turns of calibration flywheel for the number of turns verification subassembly can verify the number of turns of rotation of calibration flywheel, forms the closed loop verification to the number of turns of rotation of calibration flywheel, avoids appearing the problem that calibration length and actual length are unequal.
Drawings
Fig. 1 is a schematic front view of embodiment 1 of the present utility model;
fig. 2 is a schematic perspective view of embodiment 1 of the present utility model;
fig. 3 is a schematic front view of embodiment 2 of the present utility model.
Reference numerals illustrate:
the device comprises a 1-calibration flywheel, a 11-annular groove, a 12-through hole, a 2-servo motor, a 3-stop block, a 4-box body, a 41-mounting box seat, a 411-cover plate, a 5-laser emission probe and a 51-detection light path.
Detailed Description
The present utility model will be described in further detail with reference to examples and drawings, but embodiments of the present utility model are not limited thereto.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "configured," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The utility model is described in detail below by reference to the attached drawings and in connection with the embodiments:
example 1:
as shown in fig. 1 to 2, the present embodiment provides a calibration device for a laser meter, which includes a calibration flywheel 1 with a horizontal axis and a driving motor for driving the calibration flywheel 1 to rotate at a constant speed, wherein the calibration flywheel 1 is disposed on or fixedly connected with an output shaft of the driving motor;
according to the embodiment, the rotating calibration flywheel 1 and the driving motor for driving the flywheel to rotate are arranged, so that the calibration flywheel 1 can obtain the calibration length according to the rotation number of the calibration flywheel 1 multiplied by the circumference of the calibration flywheel 1 after rotating for a certain number of times, and then the measurement length of the laser meter is calibrated by the calibration length to obtain the calibrated measurement length; the design concept of a measuring link from the measuring length to the calibrating length and then from the calibrating length to the actual length can be realized, so that the problem that errors exist in direct measurement caused by the fact that the laser meter is based on the self measuring standard in the prior art is solved.
In addition, through setting up the number of turns verification subassembly that carries out the count verification to the number of turns of calibrating flywheel 1 for the number of turns verification subassembly can verify the number of turns of calibrating flywheel 1, and the rethread driving motor can form the closed loop verification to the number of turns of rotating of calibrating flywheel 1 to the count of its output shaft, avoids appearing the inaccurate problem of number of turns count, and then appears calibrating the problem that length and actual length are unequal.
The closed loop verification of the number of rotations of the calibration flywheel 1 in this embodiment is: the driving motor counts the number of rotation of the output shaft, and the number verification assembly verifies the number of rotation of the calibration flywheel 1 mutually, so that the problems of multiple counting and missing counting possibly caused by single type counting can be avoided. The number of rotations of the output shaft of the driving motor is counted as in the conventional prior art, and the description thereof is omitted.
In some alternative embodiments, the turn verification assembly includes a counting switch provided on the drive motor, and a cylindrical stop 3 provided on the calibration flywheel 1, the stop 3 being located on a side of the calibration flywheel 1 adjacent to the counting switch. The counting switch (not shown in the figure) in this embodiment is a common counting switch, and when the flywheel 1 is calibrated for one rotation, the laser photoelectric switch is shielded once, and the number of rotation turns can be obtained according to the shielding times.
In some alternative embodiments, the calibrated flywheel 1 has a perimeter dimension tolerance of less than three millionths of a millimeter. The smaller the dimensional tolerance, the closer the calibration length obtained by multiplying the circumference of the calibration flywheel 1 by the number of rotations is to the actual length, the more accurate the calibration data is, and the more accurate the measurement data of the calibrated laser meter can be made, the smaller the subsequent actual measurement error is.
In some alternative embodiments, the circumferential wall of the calibration flywheel 1 is provided with a circular marking structure coaxially arranged with the calibration flywheel 1 and used for marking multiple calibration positions. By arranging the annular marking structure, when the laser meter measures for a period of time and then performs recalibration, the end point of the detection light path 51 sent out by the laser emission probe 5 of the laser meter can be always positioned at the same calibration position, so that calibration errors caused by different precision of different positions of the outer peripheral wall of the calibration flywheel 1 are avoided.
In some alternative embodiments, the annular marking structure is an annular groove 11 formed on the peripheral wall of the calibration flywheel 1; the dimensional tolerance of the bottom surface of the circular groove 11 is less than three millionths of a millimeter. In this embodiment, the annular groove 11 is provided at a central position of the outer peripheral wall of the calibration flywheel 1.
In some alternative embodiments, the drive motor is a servo motor 2. The servo motor 2 is accurate and reliable in control and stable in speed, the servo motor 2 is utilized to drive the calibration flywheel 1 to rotate, and the acceleration motion process and the uniform motion process of the measured object in the actual length measurement process of the laser meter can be simulated, so that the influence of the speed in the actual measurement of the laser meter can be reduced, and the accuracy of the laser meter in the actual measurement process can be improved. In some embodiments, other types of drive motors may also be used.
In some alternative embodiments, the servo motor comprises a servo driver and a PLC control panel which are electrically connected with the servo motor 2, and a touch control screen which is electrically connected with the PLC control panel. In this embodiment, the servo driver, the PLC control board, and the touch control screen are all conventional technologies, and are not described herein.
In some alternative embodiments, the device further comprises a box 4, wherein the servo driver and the PLC control panel are arranged in the box 4, and the driving motor and the touch control screen are arranged at the top of the box 4.
In some alternative embodiments, the box body 4 is provided with a top inclined mounting box seat 41, and the touch control screen is obliquely arranged on the top inclined surface of the mounting box seat 41. The inclination setting can improve the convenience of operation when the calibration, easily observes measurement data simultaneously.
In some alternative embodiments, a cover 411 is hinged to the top inclined surface of the mounting box 41. The cover 411 may be provided to protect the touch control screen.
In some alternative embodiments, the calibration flywheel 1 is further provided with a plurality of through holes 12 for weight reduction, and the plurality of through holes 12 are uniformly distributed in a circular array along the circumference of the through holes. In this embodiment, 6 through holes 12 are provided on the calibration flywheel 1, and the 6 through holes 12 are uniformly distributed in a circular array with the axis of the calibration flywheel 1 as the center of a circle.
Example 2:
on the basis of the above embodiment 1, as shown in fig. 3, the present embodiment provides a calibration system, which includes the calibration device for a laser meter described above, and further includes a laser meter for measuring the length of a diaphragm, where a laser emission probe 5 of the laser meter is located above the calibration flywheel 1 and is disposed opposite to the annular groove 11, the width of the annular groove 11 is greater than the width of the detection light path 51, and the end point of the detection light path 51 emitted by the laser emission probe 5 is located in the annular groove 11.
When the laser meter measuring device is used, the servo motor 2 is started to drive the calibration flywheel 1 to rotate, meanwhile, the laser meter measuring device is started and the number of turns of the rotation of the calibration flywheel 1 is counted, after the number of counted turns reaches the design number of turns, the measurement of the laser meter measuring device and the counting of the number of turns of the calibration flywheel 1 are closed at the same time, at the moment, the measurement length measured by the laser meter measuring device can be calibrated according to the calibration length obtained by the product of the counted number of turns and the circumference of the bottom surface of the circular groove 11, the measurement length of the laser meter measuring device is equal to the calibration length, the measurement length is equal to the actual length, and the embodiment can obtain the accurate measurement value of the laser meter measuring device by taking the measurement distance as the ration.
The other structures of this embodiment are the same as those of embodiment 1, and will not be described here again.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.
Claims (10)
1. The calibrating device for the laser meter is characterized by comprising a calibrating flywheel (1) with a horizontally arranged axis and a driving motor for driving the calibrating flywheel (1) to rotate, wherein the calibrating flywheel (1) is arranged on an output shaft of the driving motor or is coaxially and fixedly connected with the output shaft of the driving motor;
the device also comprises a number verification component for verifying the number of rotation of the calibration flywheel (1).
2. The calibrating device for the laser meter according to claim 1, wherein the turn verification assembly comprises a counting switch arranged on the driving motor and a stop block (3) arranged on the calibrating flywheel (1), and the stop block (3) is positioned on one side of the calibrating flywheel (1) close to the counting switch.
3. Calibration device for laser metering according to claim 1, characterized in that the circumferential dimensional tolerance of the calibration flywheel (1) is less than three millionths of a millimeter.
4. The calibration device for a laser meter according to claim 1, characterized in that the peripheral wall of the calibration flywheel (1) is provided with a ring-shaped marking structure arranged coaxially to the calibration flywheel (1) and for marking a plurality of calibration positions.
5. The calibrating device for the laser meter according to claim 4, wherein the circular marking structure is a circular groove (11) formed on the outer peripheral wall of the calibrating flywheel (1); the dimensional tolerance of the bottom surface of the circular groove (11) is less than three millionths of a millimeter.
6. The calibration device for a laser meter according to claim 1, wherein the drive motor is a servo motor (2).
7. The calibration device for a laser meter according to claim 1, further comprising a servo driver and a PLC control board electrically connected to the servo motor (2), and a touch control screen electrically connected to the PLC control board.
8. The calibration device for the laser meter according to claim 7, further comprising a box (4), wherein the servo driver and the PLC control board are both arranged in the box (4), and the driving motor and the touch control screen are both arranged at the top of the box (4).
9. The calibrating device for the laser meter according to claim 1, wherein the calibrating flywheel (1) is further provided with a plurality of through holes (12) for weight reduction, and the plurality of through holes (12) are uniformly distributed in an annular array along the circumference of the calibrating flywheel.
10. The calibration system is characterized by comprising the calibration device for the laser meter according to any one of claims 1-9, and further comprising the laser meter, wherein a laser emission probe (5) of the laser meter is positioned above the calibration flywheel (1) and is opposite to the annular groove (11), the width of the annular groove (11) is larger than that of the detection light path (51), and the end point of the detection light path (51) emitted by the laser emission probe (5) is positioned in the annular groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320706021.XU CN219368663U (en) | 2023-04-03 | 2023-04-03 | Calibrating device and calibrating system for laser meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320706021.XU CN219368663U (en) | 2023-04-03 | 2023-04-03 | Calibrating device and calibrating system for laser meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219368663U true CN219368663U (en) | 2023-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320706021.XU Active CN219368663U (en) | 2023-04-03 | 2023-04-03 | Calibrating device and calibrating system for laser meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219368663U (en) |
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2023
- 2023-04-03 CN CN202320706021.XU patent/CN219368663U/en active Active
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