CN221099618U - Calibration device for eddy current displacement sensor - Google Patents
Calibration device for eddy current displacement sensor Download PDFInfo
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- CN221099618U CN221099618U CN202323223146.6U CN202323223146U CN221099618U CN 221099618 U CN221099618 U CN 221099618U CN 202323223146 U CN202323223146 U CN 202323223146U CN 221099618 U CN221099618 U CN 221099618U
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- displacement sensor
- fixedly connected
- eddy current
- current displacement
- seat
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 69
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model relates to a calibrating device of an eddy current displacement sensor, which comprises a base, wherein a mounting seat is fixedly connected to the base, a clamping groove for mounting the eddy current displacement sensor is arranged in the mounting seat, a guide seat is fixedly connected to the base, and the top of the guide seat is slidably connected with a sliding seat; then, after pushing the top seat, the displacement is measured by the grating sensor, then the displacement is compared with the previous eddy current displacement sensor, the detection performance of the eddy current displacement sensor is tested, and whether the eddy current displacement sensor has an error is judged by comparing the detection values of the displacement sensor and the eddy current displacement sensor; therefore, the whole detection process is more convenient and the accuracy is higher.
Description
Technical Field
The utility model relates to the technical field of eddy current displacement sensor testing equipment, in particular to an eddy current displacement sensor calibration device.
Background
The eddy current displacement sensor has high sensitivity, strong anti-interference capability and good reliability, can replace manual work to work under extremely severe conditions, and can be used for non-contact measurement in a plurality of occasions where a contact measurement method cannot be used, so that the eddy current displacement sensor is widely applied to the field of precision displacement measurement;
In the prior art, when the eddy current displacement sensor is used in a unit (or when the eddy current displacement sensor is detected by a manufacturer), the displacement detection performance of the eddy current displacement sensor cannot be conveniently detected, and particularly, the eddy current displacement sensor is generally taken for mobile detection, so that a large error exists.
Disclosure of utility model
Aiming at the technical problems that the current vortex displacement sensor can not conveniently detect the displacement detection performance of the current vortex displacement sensor when the current vortex displacement sensor is used by a unit (or when the current vortex displacement sensor is detected by a manufacturer), and particularly, the current vortex displacement sensor is generally taken for mobile detection, so that larger errors exist.
The technical scheme adopted by the utility model is as follows: the utility model provides an electric vortex displacement sensor calibration device, includes the base, fixedly connected with mount pad on the base, be equipped with a draw-in groove that is used for installing electric vortex displacement sensor in the mount pad, fixedly connected with guide holder on the base, the top sliding connection of guide holder has the sliding seat, the top of sliding seat is equipped with the footstock, be equipped with elasticity between footstock and the slip and reset the subassembly, the bottom of footstock still fixedly connected with mounting panel, the outside fixedly connected with grating sensor of mounting panel, the outside of footstock is equipped with the detection piece.
In one embodiment, the top of the sliding seat is fixedly connected with a supporting seat, the supporting seat is arranged on one side of the mounting plate, positioning holes are formed in the supporting seat and the guide seat, and positioning pins are inserted into the supporting seat.
In one embodiment, the mounting frame is fixedly connected to the outside of the top seat, and the detection block is detachably and fixedly connected with the mounting frame.
In one embodiment, the elastic resetting component comprises a first clamping piece fixedly connected to the outer sides of the top seat and the sliding seat, and a second clamping piece positioned between the top seat and the sliding seat, wherein elastic pieces are fixedly connected to the top side and the bottom side of the second clamping piece, and the edge of the elastic piece is fixedly connected with the first clamping piece.
In one embodiment, the elastic sheet is provided with a cavity, a plurality of groups of springs are connected in the cavity, and two ends of each spring are fixedly connected with the inner top wall and the bottom wall of the cavity respectively.
In one embodiment, the detection block may have a cylindrical, rectangular or polygonal configuration.
In one embodiment, the detecting block and the outer part of the mounting frame are fixedly connected with magnets, and the magnets are mutually adsorbed.
In one embodiment, the first clamping piece is of a double-layer plate-shaped structure and is respectively and fixedly connected to two sides of the bottom of the elastic piece in a clamping mode.
In one embodiment, the elastic sheet is made of rubber material.
The beneficial effects of the utility model are as follows: compared with the prior art, the utility model has the advantages that the top seat is slightly pushed to drive the detection block to approach and abut against the end part of the eddy current displacement sensor, and the displacement between the eddy current displacement sensor and the detection block is detected by the eddy current displacement sensor before the eddy current displacement sensor contacts with the detection block; then, after pushing the top seat, the displacement is measured by the grating sensor, then compared with the previous eddy current displacement sensor, the detection performance of the eddy current displacement sensor is tested, and the error of the eddy current displacement sensor is judged by comparing the detection values of the two sensors; therefore, the whole detection process is more convenient and the accuracy is higher.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic perspective view of the present utility model;
FIG. 3 is a schematic view of the top and bottom structures of the present utility model;
FIG. 4 is a schematic view of a second clip according to the present utility model;
fig. 5 is a schematic view showing the internal structure of the elastic sheet in the present utility model.
Marked in the figure as: 1. a base; 2. a mounting base; 3. an eddy current displacement sensor; 4. a guide seat; 5. positioning holes; 6. a sliding seat; 7. a support base; 8. a positioning pin; 9. a top base; 10. a mounting frame; 11. a detection block; 12. a mounting plate; 13. a grating sensor; 14. a first clip; 15. a second clip; 16. an elastic sheet; 17. and (3) a spring.
Detailed Description
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "front", "upper", "lower", "left", "right", "vertical", "horizontal", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 will be further described with reference to fig. 1-5.
In order to solve the problems in the background technology, the application provides the following technical scheme: the calibrating device of the eddy current displacement sensor.
In specific technical scheme, including base 1, fixedly connected with mount pad 2 on the base 1, be equipped with a draw-in groove that is used for installing current vortex displacement sensor 3 in the mount pad 2, install current vortex displacement sensor 3 in the draw-in groove, then through the cooperation of screw or nut, with it carry out the conflict joint can.
In further design, still fixedly connected with guide holder 4 on base 1, guide holder 4 is platelike structure, and the top sliding connection of guide holder 4 has slide holder 6, and guide holder 4 is used for carrying out the direction slip table to slide holder 6, and guide holder 4 and base 1 wholly form boss structure.
In order to detect the formation of the eddy current displacement sensor 3, a mounting plate 12 is fixedly connected to the bottom of the top seat 9, a grating sensor 13 is fixedly connected to the outer portion of the mounting plate 12, a detection block 11 is arranged on the outer portion of the top seat 9, the grating sensor 13 is used for detecting the moving distance of the top seat 9, and the detection block 11 is used for being detected by the eddy current displacement sensor 3.
Therefore, the outside fixedly connected with mounting bracket 10 of footstock 9 detects piece 11 and the equal fixedly connected with magnet of outside of mounting bracket 10 of removable fixed connection, detects piece 11 and mounting bracket 10, and the magnet adsorbs each other, so can dismantle the connection through magnetic adsorption, can also dismantle fixed connection through the bolt, detects piece 11 simultaneously and can be cylindrical, cuboid or polygon structure, detects piece 11 and is the cuboid shape in this embodiment.
In order to facilitate positioning and fixing, the top of the sliding seat 6 is fixedly connected with a supporting seat 7, the supporting seat 7 is positioned on one side of the mounting plate 12, positioning holes 5 are formed in the supporting seat 7 and the guide seat 4, positioning pins 8 are inserted into the supporting seat 7, and the positions of the sliding seat 6 can be positioned and fixed through the insertion of the positioning pins 8 and the positioning holes 5.
In order to display the detection value, a control module and a display screen are further provided, and the grating sensor 13 and the display screen are electrically coupled with the control module and are used for displaying the displacement value detected by the grating sensor 13, and the eddy current displacement sensor 3 can also be electrically coupled with the control module, wherein the control module can be a programmable controller or an Arduino development circuit board.
In a further design, a top seat 9 is arranged above the sliding seat 6, and an elastic reset component is arranged between the top seat 9 and the sliding.
Specific:
in this embodiment, the elastic restoring component includes a first clamping piece 14 fixedly connected to the outer sides of the top base 9 and the sliding base 6, and a second clamping piece 15 located between the top base 9 and the sliding base 6.
The first clamping piece 14 is a short clamping piece, the second clamping piece 15 is a long clamping piece, the top side and the bottom side of the second clamping piece 15 are fixedly connected with the elastic piece 16, the elastic piece 16 is made of rubber materials, and the edge of the elastic piece 16 is fixedly connected with the first clamping piece 14.
Specifically, the first clamping piece 14 has a double-layer plate structure, and is respectively and fixedly connected to two sides of the bottom of the elastic piece 16, so as to clamp and fix two ends of the elastic piece 16.
In a further design, a cavity is arranged in the elastic sheet 16, a plurality of groups of springs 17 are connected in the cavity, two ends of each spring 17 are fixedly connected with the inner top wall and the bottom wall of the cavity respectively, and after a hand is released, the top seat 9 can be pulled to return to the initial position under the action of the springs 17 in the elastic sheet 16.
In order for those skilled in the art to fully understand the technical solutions, the present embodiment makes the following summary:
Firstly, an eddy current displacement sensor 3 is arranged on a clamping groove of a top seat 9 of a mounting seat 2, and then detection is carried out;
The method comprises the following steps: the top seat 9 is slightly pushed, so that the top seat 9 drives the detection block 11 to approach and abut against the end part of the eddy current displacement sensor 3,
Simultaneously, before the eddy current displacement sensor 3 contacts with the detection block 11, the displacement between the eddy current displacement sensor 3 and the detection block 11 is detected;
Subsequently, after pushing the top base 9, the displacement is detected by the grating sensor 13, and then compared with the previous eddy current displacement sensor 3, the detection performance of the eddy current displacement sensor 3 is tested, and whether the eddy current displacement sensor 3 has an error is judged by comparing the detection values of the two.
After the pushed top seat 9 is released, the top seat 9 can be pulled to return to the initial position under the action of the elastic sheet 16.
According to the utility model, the distance between the detection block 11 and the end part of the eddy current displacement sensor 3 to be calibrated is continuously changed within the nominal detection range of the sensor by moving the top seat 9, the output data of the eddy current displacement sensor 3 to be calibrated and the output data of the grating sensor 13 for synchronously detecting the distance change are simultaneously collected in the process, and then the performance calibration and error correction of the eddy current displacement sensor 3 are realized by comparing and analyzing the detection data of the eddy current displacement sensor 3 to be calibrated and the detection data of the grating sensor 13, so that the whole detection calibration process is convenient to implement and has higher accuracy.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the utility model belongs to the prior art known to the person skilled in the art.
Although embodiments of the present utility model have been shown and described, it will be obvious to those skilled in the art that the scope of the present utility model is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides an electric vortex displacement sensor calibration device, its characterized in that, including base (1), fixedly connected with mount pad (2) on base (1), be equipped with a draw-in groove that is used for installing electric vortex displacement sensor (3) in mount pad (2), fixedly connected with guide holder (4) on base (1), the top sliding connection of guide holder (4) has sliding seat (6), the top of sliding seat (6) is equipped with footstock (9), be equipped with elasticity reset subassembly between footstock (9) and the slip, the bottom of footstock (9) still fixedly connected with mounting panel (12), the outside fixedly connected with grating sensor (13) of mounting panel (12), the outside of footstock (9) is equipped with detects piece (11).
2. The calibration device of the eddy current displacement sensor according to claim 1, wherein a supporting seat (7) is fixedly connected to the top of the sliding seat (6), the supporting seat (7) is located on one side of the mounting plate (12), positioning holes (5) are formed in the supporting seat (7) and the guide seat (4), and positioning pins (8) are inserted into the supporting seat (7).
3. The calibration device of the eddy current displacement sensor according to claim 2, wherein a mounting frame (10) is fixedly connected to the outside of the top seat (9), and the detection block (11) is detachably and fixedly connected with the mounting frame (10).
4. The calibration device of the eddy current displacement sensor according to claim 3, wherein the elastic reset component comprises a first clamping piece (14) fixedly connected to the outer sides of the top seat (9) and the sliding seat (6), and a second clamping piece (15) positioned between the top seat (9) and the sliding seat (6), elastic pieces (16) are fixedly connected to the top side and the bottom side of the second clamping piece (15), and the edge of the elastic pieces (16) is fixedly connected with the first clamping piece (14).
5. The calibration device of the eddy current displacement sensor according to claim 4, wherein a cavity is arranged in the elastic sheet (16), a plurality of groups of springs (17) are connected in the cavity, and two ends of each spring (17) are fixedly connected with the inner top wall and the bottom wall of the cavity respectively.
6. The calibration device of an eddy current displacement sensor according to claim 5, wherein the detection block (11) may be of cylindrical, cuboid or polygonal configuration.
7. The calibration device of the eddy current displacement sensor according to claim 6, wherein magnets are fixedly connected to the outer parts of the detection block (11) and the mounting frame (10), and the magnets are mutually attracted.
8. The calibration device of the eddy current displacement sensor according to claim 7, wherein the first clamping piece (14) is of a double-layer plate-shaped structure and is respectively and fixedly connected to two sides of the bottom of the elastic piece (16) in a clamping manner.
9. The eddy current displacement sensor calibration device according to claim 4, wherein the spring plate (16) is made of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323223146.6U CN221099618U (en) | 2023-11-28 | 2023-11-28 | Calibration device for eddy current displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323223146.6U CN221099618U (en) | 2023-11-28 | 2023-11-28 | Calibration device for eddy current displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221099618U true CN221099618U (en) | 2024-06-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323223146.6U Active CN221099618U (en) | 2023-11-28 | 2023-11-28 | Calibration device for eddy current displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221099618U (en) |
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2023
- 2023-11-28 CN CN202323223146.6U patent/CN221099618U/en active Active
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