CN115435966A - Multidimensional mechanical sensor calibration device for isolating switch - Google Patents
Multidimensional mechanical sensor calibration device for isolating switch Download PDFInfo
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- CN115435966A CN115435966A CN202211084848.8A CN202211084848A CN115435966A CN 115435966 A CN115435966 A CN 115435966A CN 202211084848 A CN202211084848 A CN 202211084848A CN 115435966 A CN115435966 A CN 115435966A
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- isolating switch
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- 239000004698 Polyethylene Substances 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a multidimensional mechanical sensor calibration device for an isolating switch, which comprises four upright columns, wherein the lower parts of the upright columns are fixedly provided with a same placing plate, and a calibration plate is rotatably connected to the placing plate; the pulley device also comprises an upper cross beam, wherein a first pulley is arranged on the upper cross beam; a second pulley is arranged at the lower part of the upright post; a third pulley is arranged between the lower parts of the upright posts; the device also comprises a thin line and a weight; the weight acts as a force source and the thread is used to secure the weight to the calibration plate. The invention solves the problem that a three-dimensional mechanical sensor manufacturer cannot test the multi-dimensional mechanical sensor by independently designing a set of three-dimensional mechanical sensor calibration device for the isolating switch, solves the problem of on-site safety debugging and calibration of the three-dimensional mechanical sensor for the isolating switch, and has positive benefits for popularization of the multi-dimensional mechanical sensor.
Description
Technical Field
The invention relates to a multidimensional mechanical sensor calibration device for an isolating switch, and belongs to the technical field of calibration devices.
Background
In a power grid, an isolating switch is in direct contact with the natural environment during operation, and the condition that the switching-on and switching-off are not in place often occurs, so that serious accidents such as loop resistance increase, equipment overheating and damage and deformation of a transmission mechanism are caused. When relevant tests are carried out on site, the specific treatment mode is as follows: two to three people use the insulating rod to press down the sensor, give power continuously, make it close in place temporarily, it is very hard, and do not have the benefit to equipment itself, so the multidimensional mechanics sensor taking gyroscope as the core has appeared in recent years.
The multidimensional mechanical sensor can play a great role in solving the existing problems of the isolating switch, and once the multidimensional mechanical sensor is inaccurate in data, the multidimensional mechanical sensor can generate great negative influence on field data acquisition, so that the multidimensional mechanical sensor needs to be verified in field installation and delivery.
However, in the prior art, after a manufacturer of a multidimensional mechanical sensor for an isolating switch purchases a chip to process the multidimensional mechanical sensor for the isolating switch, the manufacturer can only test the voltage of the multidimensional mechanical sensor for the isolating switch before shipping, and cannot check the multidimensional mechanical sensor for the isolating switch.
Zhang Gang (Zhang Gang. Parallel configuration six-dimensional force sensor design and static calibration. [ D ]. Master academic thesis, nysfu: nysfu university, 2019.) the principles and methods of six-dimensional force sensor calibration are presented.
However, a three-dimensional mechanical sensor calibration device for the isolating switch is not available in the prior art, and therefore, the invention provides a multi-dimensional mechanical sensor calibration device for the isolating switch.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a multidimension mechanics sensor calibration equipment that isolator used to solve the problem that exists among the above-mentioned prior art.
The technical scheme adopted by the invention is as follows: a multidimensional mechanical sensor calibration device for an isolating switch comprises four upright posts, wherein the lower parts of the four upright posts are fixedly provided with a same placing plate, the placing plate is rotatably connected with a calibration plate, the placing plate can be driven by a rotating mechanism to rotate, and the rotating mechanism is fixed with the ground; the upper center of the upper part of each of the four upright columns is fixed with an upper cross beam arranged along the horizontal direction, and the upper end surface of each upper cross beam is uniformly provided with more than three first pulleys at intervals; the lower parts of at least two adjacent upright posts are provided with second pulleys; the lower parts of the four upright posts are fixed pairwise through a horizontal connecting plate, wherein more than three third pulleys are uniformly arranged on two opposite connecting plates at intervals; the device also comprises a thin line and a weight; the weight is used as a force source, and the thin wire is used for fixing the weight on the calibration plate.
Preferably, the rotating mechanism is a motor.
Preferably, the weight is made of polyethylene.
Preferably, the thin thread is a fishing line.
Preferably, the cross section of the upright post is L-shaped.
Preferably, the number of the first pulleys is set to 3 and 2 of the first pulleys are respectively positioned at two ends of the upper cross beam, and one side of the other pulley is aligned with the center of the calibration plate.
Preferably, the number of the third pulleys is 3, and 2 of the third pulleys are respectively located at two ends of the connecting plate, and the other pulley is located in the middle of the connecting plate.
Preferably, the first pulley, the second pulley and the third pulley are respectively connected to the upper cross beam, the upright post and the connecting plate in a sliding manner, and the first pulley, the second pulley and the third pulley are respectively fixed to the upper cross beam, the upright post and the connecting plate through bolts.
The invention has the beneficial effects that: compared with the prior art, the invention designs a set of three-dimensional mechanical sensor calibration device for the isolating switch independently, solves the problem that a three-dimensional mechanical sensor manufacturer cannot test a multi-dimensional mechanical sensor, solves the problem of field safety debugging and calibration of the three-dimensional mechanical sensor for the isolating switch, is favorable for improving the accuracy of field data acquisition of a power grid, and has positive benefits on popularization of the multi-dimensional mechanical sensor.
Drawings
FIG. 1 is a schematic view of the overall structure;
FIG. 2 is a partial cross-sectional view of the + ZF calibration;
FIG. 3 is a partial cross-sectional view of the-Fz calibration;
FIG. 4 is a partial cross-sectional view of the calibration of Fx, fy;
FIG. 5 is a partial cross-sectional view of the Mx and My calibration;
FIG. 6 is a top view of Mx and Mz.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments.
Reference numerals in the drawings of the specification include: the device comprises a placing plate 1, a motor 2, a calibration plate 3, a stand column 4, an upper beam 5, a first pulley 6, a second pulley 7, a connecting plate 8, a third pulley 9, weights 10 and a fishing line 11.
Example 1:
a multidimensional mechanics sensor calibration device for an isolating switch comprises four upright posts 4 which are parallel to each other and are arranged along the vertical direction as shown in figure 1, the cross sections of the upright posts 4 are L-shaped, a same placing plate 1 is fixed between the lower parts of the four upright posts 4, the placing plate 1 is arranged along the horizontal direction, a calibration plate 3 is connected to the placing plate 1 in a rotating mode, a rotating mechanism for driving the placing plate 1 to rotate is fixed to the lower end of the placing plate 1, the rotating mechanism in the embodiment is a motor 2, and the placing plate 1 is fixed to an output shaft of the motor 2; the motor 2 is fixed on the ground, the whole body of the invention is suspended and supported by the motor 2, an upper cross beam 5 arranged along the horizontal direction is fixed in the center above four upright posts 4, three first pulleys 6 are uniformly arranged on the upper end surface of the upper cross beam 5 from left to right at intervals, the three first pulleys 6 are rotationally connected on the upper cross beam 5, the rotation direction of the first pulleys 6 is the left-right direction, the right side of the first pulley 6 at the middle is positioned right above the center of the calibration plate 3, and the other two first pulleys 6 are positioned at the left end and the right end of the upper cross beam 5; a second pulley 7 is arranged at the lower parts of the left rear upright post 4 and the right rear upright post 4, and the rotation direction of the second pulley 7 is the left-right direction; the upper end of the second pulley 7 is flush with the upper end face of the calibration plate 3; the lower parts of the four upright posts 4 are respectively fixed through a horizontal connecting plate 8, three third pulleys 9 are arranged on the front and rear connecting plates 8, the third pulleys 9 are rotatably connected to the connecting plates 8, and the rotating direction of the third pulleys 9 is the front and rear direction; the upper end surface of the third pulley 9 is aligned with the upper end surface of the calibration plate 3; the middle third pulley 9 is aligned with the center of the calibration plate 3, and the left and right third pulleys 9 are aligned with the left and right ends of the calibration plate 3, respectively. The structure and principle of the calibration plate 3 adopt the prior art.
The principle of the invention is as follows: the calibration is carried out by taking the weight 10 as a force source, and the calibration schematic diagram is shown in figures 2-6.
The partial cross section of the + ZF calibration is shown in figure 2, after a multidimensional mechanical sensor for an isolating switch is fixed in the center of a calibration plate 3, a fishing line 11 is tied on a boss in the center of the top of the calibration plate 3, the other end of the fishing line 11 extends vertically upwards, then horizontally bypasses two first pulleys 6 on the left side in sequence towards the left side, then vertically extends downwards and is fixed with a weight 10, and the fishing line 11 is changed into an 'n' shape under the action of tension. At this time, the multidimensional mechanics sensor can detect the value of + ZF; and completing the calibration of + ZF.
FIG. 3 shows-ZF calibration, wherein one end of a fishing line 11 is tied on a cylinder at the center of the lower end of a calibration plate 3, a center hole is arranged at the center of a placing plate 1, the fishing line 11 vertically penetrates through the center hole downwards and is hung with a weight 10, and at the moment, a multidimensional mechanical sensor can detect the value of-ZF; completing the calibration of-ZF.
FIG. 4 shows the calibration of Fx and Fy.
And (3) calibration of Fx: one end of a fishing line 11 is fixed at the left end of the calibration plate 3, and the other end of the fishing line 11 horizontally bypasses the second pulley 7 at the left rear part towards the left and then is vertically and downwards hung with a weight 10 to finish the Fx calibration;
and F, calibration of Fy: after the motor 2 horizontally rotates the whole body of the invention by 90 degrees, the calibration plate 3 is manually restored to the original position, and the same calibration can be carried out on Fy in the same way;
FIG. 5 is a calibration of Mx and My,
mx is calibrated, and a couple Mx is generated by using the force + ZF on the calibration plate 3 and the force Fy on the V-shaped groove at the left end of the calibration plate 3;
calibrating the My, driving the whole device to rotate by 90 degrees through the motor 2, manually resetting the calibration plate 3, and generating a couple My by utilizing the force + ZF on the calibration plate 3 and the force Fx at the left end of the calibration plate 3;
fig. 6 shows the calibration of Mz, two weights 10 are respectively fixed on the left and right ends of the calibration plate 3 through fishing lines 11, and couple Mz is generated by Fx with equal force values and opposite directions.
The invention can detect whether the multidimensional mechanical sensor for the isolating switch meets the requirement, and can leave the factory or be put into use if the multidimensional mechanical sensor meets the requirement, and needs to return the factory if the multidimensional mechanical sensor does not meet the requirement.
In this embodiment, the first pulley 6, the second pulley 7 and the third pulley 9 are respectively connected to the upper beam 5, the column 4 and the connecting plate 8 in a sliding manner, the first pulley 6, the second pulley 7 and the third pulley 9 are respectively fixed to the upper beam 5, the column 4 and the connecting plate 8 through bolts, and the position of the first pulley 6, the second pulley 7 and the third pulley 9 is adjusted to ensure that the fishing line 11 is vertical or horizontal, so that the measurement accuracy is improved.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and therefore the scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a multidimension mechanics sensor calibration equipment that isolator used which characterized in that: the device comprises four upright posts (4), wherein the lower parts of the four upright posts (4) are fixedly provided with the same placing plate (1), the placing plate (1) is rotatably connected with a calibration plate (3), the placing plate (1) can be driven by a rotating mechanism to rotate, and the rotating mechanism is fixed with the ground; an upper cross beam (5) arranged along the horizontal direction is fixed in the center above the four upright columns (4), and more than three first pulleys (6) are uniformly arranged on the upper end face of the upper cross beam (5) at intervals; the lower parts of at least two adjacent upright columns (4) are provided with second pulleys (7); the lower parts of the four upright posts (4) are fixed by a horizontal connecting plate (8) respectively, wherein more than three third pulleys (9) are uniformly arranged on two opposite connecting plates (8) at intervals; also comprises a thread and a weight (10); the weight (10) serves as a force source, and the thread is used for fixing the weight (10) on the calibration plate (3).
2. The multidimensional mechanical sensor calibration device for the isolating switch according to claim 1, wherein: the rotating mechanism is a motor (2).
3. The multidimensional mechanical sensor calibration device for the isolating switch according to claim 1, wherein: the weight (10) is made of polyethylene.
4. The multidimensional mechanical sensor calibration device for the isolating switch according to claim 1, wherein: the thin line is a fishing line (11).
5. The multidimensional mechanical sensor calibration device for the isolating switch according to claim 1, wherein: the cross section of the upright post (4) is L-shaped.
6. The multidimensional mechanical sensor calibration device for the isolating switch according to claim 1, wherein: the number of the first pulleys (6) is 3, 2 of the first pulleys are respectively positioned at two ends of the upper cross beam (5), and one side of the other pulley is aligned with the center of the calibration plate (3).
7. The multidimensional mechanical sensor calibration device for the isolating switch according to claim 1, wherein: the number of the third pulleys (9) is 3, 2 of the third pulleys are respectively positioned at two ends of the connecting plate (8), and the other pulley is positioned in the middle of the connecting plate (8).
8. The multidimensional mechanical sensor calibration device for the isolating switch according to claim 1, wherein: first pulley (6), second pulley (7) and third pulley (9) sliding connection respectively in entablature (5) stand (4) and on connecting plate (8), first pulley (6) second pulley (7) and third pulley (9) pass through the bolt fastening respectively entablature (5) stand (4) and on connecting plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211084848.8A CN115435966A (en) | 2022-09-06 | 2022-09-06 | Multidimensional mechanical sensor calibration device for isolating switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211084848.8A CN115435966A (en) | 2022-09-06 | 2022-09-06 | Multidimensional mechanical sensor calibration device for isolating switch |
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| Publication Number | Publication Date |
|---|---|
| CN115435966A true CN115435966A (en) | 2022-12-06 |
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| CN202211084848.8A Pending CN115435966A (en) | 2022-09-06 | 2022-09-06 | Multidimensional mechanical sensor calibration device for isolating switch |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749168A (en) * | 2012-07-26 | 2012-10-24 | 哈尔滨工业大学 | Combined calibration device of no-coupling six-dimensional force sensor |
| CN103528755A (en) * | 2013-10-31 | 2014-01-22 | 哈尔滨工业大学 | Calibration device for six-dimensional force sensor |
| CN103604561A (en) * | 2013-11-27 | 2014-02-26 | 东南大学 | Calibration device and method of six-axis force/torque sensor |
| CN105651457A (en) * | 2016-04-14 | 2016-06-08 | 东南大学 | Multi-dimensional force sensor calibration experiment data fitting method based on genetic algorithm |
-
2022
- 2022-09-06 CN CN202211084848.8A patent/CN115435966A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749168A (en) * | 2012-07-26 | 2012-10-24 | 哈尔滨工业大学 | Combined calibration device of no-coupling six-dimensional force sensor |
| CN103528755A (en) * | 2013-10-31 | 2014-01-22 | 哈尔滨工业大学 | Calibration device for six-dimensional force sensor |
| CN103604561A (en) * | 2013-11-27 | 2014-02-26 | 东南大学 | Calibration device and method of six-axis force/torque sensor |
| CN105651457A (en) * | 2016-04-14 | 2016-06-08 | 东南大学 | Multi-dimensional force sensor calibration experiment data fitting method based on genetic algorithm |
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