CN215447996U - Rotation angle sensor calibration equipment - Google Patents
Rotation angle sensor calibration equipment Download PDFInfo
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- CN215447996U CN215447996U CN202121745466.6U CN202121745466U CN215447996U CN 215447996 U CN215447996 U CN 215447996U CN 202121745466 U CN202121745466 U CN 202121745466U CN 215447996 U CN215447996 U CN 215447996U
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Abstract
The utility model discloses a calibration device for a rotation angle sensor, wherein a stepping motor is arranged at the upper part of a mounting seat, a bearing mounting plate is provided with a bearing mounting hole, a rotating shaft is rotatably connected in the bearing mounting hole, a shaft body of the rotating shaft penetrates through a grating encoder, the grating encoder is fixedly connected with the bearing mounting plate, one end of the rotating shaft is fixedly connected with a motor shaft of the stepping motor, the other end of the rotating shaft is fixedly connected with a clamping shaft, the encoder mounting plate is provided with a detachable encoder to be calibrated, and the encoder to be calibrated is in driving connection with the clamping shaft; the stepping motor drives the encoder to be calibrated to rotate through the rotating shaft and the clamping shaft, the grating encoder synchronously records the rotating angle of the rotating shaft, the angle difference recorded by the grating encoder and the encoder to be calibrated is compared, and high-precision correction of the encoder is realized through subsequent data processing.
Description
Technical Field
The utility model relates to the technical field of rotation angle sensors, in particular to a calibration device for a rotation angle sensor.
Background
After the assembly is accomplished, the encoder needs to carry out the software to the circuit board and burns out and write, and improve the encoder precision through the reference sensor difference correction with higher accuracy and software correction, thereby satisfy the operation requirement, at present in the aspect of encoder correction, can adopt mechanical code wheel or grating encoder, wherein mechanical code wheel is with high costs, the operation process is complicated, the calibration of being not convenient for is used, and current grating encoder is when the calibration, mostly adopt manual drive, manual drive is not only work load big, inefficiency, and the corner is difficult to control, sampling interval difference is big, be unfavorable for the calibration of encoder, consequently, need for a degree of automation height urgently, low cost's encoder calibration equipment.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the background art, the utility model discloses a calibration device for a rotation angle sensor.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a calibration device for a rotation angle sensor comprises a bottom plate, a stepping motor and a grating encoder, wherein the surface of the bottom plate is respectively provided with a corresponding screw rod sliding table and an encoder mounting plate, the upper part of the screw rod sliding table is respectively provided with a mounting seat and a bearing mounting plate, the lead screw sliding table can drive the mounting seat and the bearing mounting plate to move in a plane, the upper part of the mounting seat is provided with a stepping motor, the bearing mounting plate is provided with a bearing mounting hole, a rotating shaft is rotatably connected in the bearing mounting hole, the shaft body of the rotating shaft penetrates through the grating encoder, the grating encoder is fixedly connected with the bearing mounting plate, one end of the rotating shaft is fixedly connected with a motor shaft of the stepping motor, the other end of the rotating shaft is fixedly connected with a clamping shaft, the encoder mounting plate is provided with a detachable encoder to be calibrated, and the encoder to be calibrated is in driving connection with the clamping shaft, and the stepping motor, the grating encoder, the rotating shaft, the clamping shaft and the encoder to be calibrated are coaxially arranged.
Further, the lead screw slip table includes fixed platform, slip table, lead screw and hand wheel, and fixed platform is the U-shaped structure, rotates between fixed platform's the both sides wall to be connected with the lead screw, and the slip table is equipped with the screw with lead screw threaded connection, and the equal fixed mounting of mount pad and bearing installation board is in the slip table upper portion, and the one end that the encoder mounting panel was kept away from to the lead screw is worn out the fixed platform lateral wall and is equipped with the hand wheel at its tip.
Further, the mount pad includes riser, diaphragm and motor fixed plate, riser and slip table upper portion face fixed connection, and riser upper portion is equipped with the diaphragm, and diaphragm upper portion is equipped with the motor fixed plate that is used for fixed mounting step motor.
Further, the pivot includes tip axle, bearing installation axle and big tip axle, and the one end of bearing installation axle is equipped with the tip axle, and the other end is equipped with big tip axle, and bearing installation axle rotates with the bearing mounting hole to be connected, and big tip axle passes grating encoder's dead eye and step motor's motor shaft fixed connection, tip axle and centre gripping axle fixed connection.
Furthermore, the end part of the big end shaft is connected with the motor shaft of the stepping motor through a connecting piece, one end of the connecting piece is provided with a straight groove A matched with the motor shaft of the stepping motor, the other end of the connecting piece is provided with a straight key, the end part of the big end shaft is provided with a straight groove B matched with the straight key, and the two ends of the connecting piece are respectively matched with the motor shaft of the stepping motor and the big end shaft in a clamping way and fixed through screws.
Further, the centre gripping axle includes runner and supporting rod, and the one end terminal surface of runner is equipped with the mounting hole with little stub axle looks adaptation, and the other end of runner is equipped with the supporting rod, and the supporting rod tip with treat that the calibration encoder drive is connected.
Furthermore, the end face of the clamping rod is provided with a positioning hole matched with a rotary shaft of the encoder to be calibrated, and the end part of the clamping rod is provided with a locking nut used for adjusting the inner diameter of the positioning hole.
Further, the encoder mounting panel is equipped with the through-hole that corresponds with the centre gripping axle, and encoder mounting panel face is equipped with and is used for the fixed fixture who treats the calibration encoder of centre gripping, and centre gripping axle head portion passes the through-hole and treats the drive of calibration encoder and be connected.
Further, the clamping mechanism comprises a screw rod, a butterfly nut and a pressing plate, the two sides of the encoder mounting plate are respectively and fixedly connected with the screw rod arranged along the axial direction of the through hole, the pressing plate is located between the two screw rods, the two ends of the pressing plate are provided with U-shaped shaft holes matched with the screw rods, and the end portions of the screw rods are provided with the butterfly nuts.
Furthermore, the encoder mounting plate surface is provided with a limiting mechanism for limiting blocking of the to-be-calibrated encoder, and the limiting mechanism comprises a limiting part A for blocking the to-be-calibrated encoder on the upper portion and a limiting part B for blocking the to-be-calibrated encoder on the lower portion.
Compared with the prior art, the utility model has the beneficial effects that: the stepping motor drives the encoder to be calibrated to rotate through the rotating shaft and the clamping shaft, the grating encoder synchronously records the rotating angle of the rotating shaft, the angle difference recorded by the grating encoder and the encoder to be calibrated is compared, and high-precision correction of the encoder is realized through subsequent data processing;
by utilizing the screw rod sliding table, the relative position of the fixed clamping shaft and the encoder to be calibrated can be adjusted through the movement of the sliding table, so that the clamping shaft can be effectively in driving connection with the encoder to be calibrated;
the positioning hole and the locking nut are utilized, so that the clamping shaft can be effectively connected with the encoder rotating shaft of the encoder to be calibrated by utilizing the positioning hole, and the locking nut is used for locking so that the positioning hole clamps the encoder rotating shaft, and support is provided for synchronous rotation of the rotating shaft, the clamping shaft and the encoder to be calibrated;
the utility model can realize the setting of the correction rotating range and the number of acquisition points of the encoder to be calibrated by setting the step length and the stroke of the stepping motor, thereby realizing the semi-automation of the calibration process.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a screw slide table according to the present invention;
FIG. 3 is a schematic view of a connector structure of the present invention;
FIG. 4 is a schematic view of a clamping shaft according to the present invention;
FIG. 5 is a schematic view of a rotating shaft structure according to the present invention;
FIG. 6 is a schematic view of the structure of the encoder mounting plate of the present invention.
In the figure: 1. a stepping motor; 2. a connecting member; 3. an encoder; 4. a clamping shaft; 5. an encoder mounting plate; 6. a bearing mounting plate; 7. a grating encoder; 8. a mounting seat; 9. a lead screw sliding table; 10. a base plate; 11. a foot support; 12. a motor fixing plate; 13. a motor mounting hole; 14. a bearing mounting hole; 15. a sliding table; 16. a fixed platform; 17. a guide hole; 18. a screw hole; 19. a guide bar; 20. a lead screw; 21. a hand wheel; 22. a straight groove A; 23. a character key; 24. a rotating shaft; 25. a rotating wheel; 26. mounting holes; 27. locking the nut; 28. positioning holes; 29. a clamping rod; 30. a small end shaft; 31. a bearing mounting shaft; 32. a straight groove B; 33. a big end shaft; 34. a limiting part A; 35. a screw; 36. a butterfly nut; 37. a through hole; 38. pressing a plate; 39. a limiting member B; 40. a card slot; 41. a notch.
Detailed Description
In the following description, the technical solutions of the present invention will be described with reference to the drawings of the embodiments of the present invention, and it should be understood that, if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., it is only corresponding to the drawings of the present invention, and it is convenient to describe the present invention, but it is not necessary to indicate or imply that the indicated devices or elements have a specific orientation.
Referring to fig. 1-6, the present invention provides a technical solution:
in the first embodiment, please refer to fig. 1 and 4, a calibration apparatus for a rotation angle sensor includes a bottom plate 10, a stepping motor 1 and a grating encoder 7, a foot support 11 is disposed at the bottom of the bottom plate 10, a lead screw sliding table 9 and an encoder mounting plate 5 are respectively disposed on the surface of the bottom plate 10, a mounting seat 8 and a bearing mounting plate 6 are respectively disposed on the upper portion of the lead screw sliding table 9, the stepping motor 1 is disposed on the upper portion of the mounting seat 8, the bearing mounting plate 6 is disposed with a bearing mounting hole 14, a rotating shaft 24 is rotatably connected to the bearing mounting hole 14, a shaft body of the rotating shaft 24 penetrates through the grating encoder 7, the grating encoder 7 is fixedly connected to the bearing mounting plate 6, the grating encoder 7 can record the rotation angle of the rotating shaft 24 during the rotation of the rotating shaft 24, one end of the rotating shaft 24 is fixedly connected to a motor shaft of the stepping motor 1, the other end of the rotating shaft 24 is fixedly connected to a clamping shaft 4, the encoder mounting plate 5 is disposed with a detachable encoder 3 to be calibrated, and treat that calibration encoder 3 is connected with the drive of centre gripping axle 4, step motor 1, grating encoder 7, pivot 24, centre gripping axle 4 and treat that calibration encoder 3 is coaxial to be set up, after step motor 1 started, step motor 1's motor shaft drives pivot 24 and rotates, pivot 24 drives centre gripping axle 4 and rotates, centre gripping axle 4 drives the encoder pivot of waiting to calibrate encoder 3 and rotates, grating encoder 7 records the rotation angle of pivot 24 in step in the rotation process, after transmitting grating encoder 7 and the data of waiting to calibrate encoder 3 and treating to process the terminal, through the angle difference of contrast grating encoder 7 and waiting to calibrate encoder 3 record, through software algorithm programming and programming, realize treating the high accuracy correction of calibration encoder 3.
In the second embodiment, referring to fig. 2, in order to facilitate the driving connection between the clamping shaft 4 and the encoder 3 to be calibrated, the clamping shaft 4 needs to be driven by the screw sliding table 9 to move horizontally, the screw sliding table 9 includes a fixed platform 16 and a sliding table 15, the fixing platform 16 is of a U-shaped structure, the screw 20 is rotatably connected between two side walls of the fixing platform 16, the sliding table 25 is provided with a screw hole 18 in threaded connection with the screw 20, the mounting seat 8 and the bearing mounting plate 6 are both fixedly mounted on the upper surface of the sliding table 25, specifically, the mounting seat 8 comprises a vertical plate, a transverse plate and a motor fixing plate 12, the vertical plate is fixedly connected with the upper surface of the sliding table 15, the transverse plate is arranged on the upper portion of the vertical plate, the motor fixing plate 12 for fixedly mounting the stepping motor 1 is arranged on the upper portion of the transverse plate, the motor fixing plate 12 is provided with a motor mounting hole 13 for enabling a motor shaft of the stepping motor 1 to penetrate out conveniently, and the motor shaft of the stepping motor 1 is in driving connection with the rotating shaft 24 through the motor mounting hole 13; one end of the screw rod 20, which is far away from the encoder mounting plate 6, penetrates through the side wall of the fixed platform 16, and a hand wheel 21 is arranged at the end part of the screw rod; further, in order to ensure the smooth sliding of the sliding table 25 and ensure that the clamping shaft 4 and the encoder 3 to be calibrated can always keep coaxial, a guide rod 19 parallel to the screw rod 20 is fixedly connected between two side walls of the fixed platform, the sliding table 25 is provided with a guide hole 17 matched with the guide rod 19, and the sliding table 25 can always keep horizontal sliding by utilizing the guide rod 19 parallel to the screw rod 20.
In the third embodiment, referring to fig. 3, 4 and 5, the rotating shaft 24 includes a small end shaft 30, a bearing mounting shaft 31 and a large end shaft 33, the small end shaft 30 is disposed at one end of the bearing mounting shaft 31, the large end shaft 33 is disposed at the other end of the bearing mounting shaft 31, specifically, in order to realize the rotational connection between the bearing mounting shaft 31 and the bearing mounting hole 14, a stepped shaft is disposed in the middle of the bearing mounting shaft 31, bearings are respectively disposed at two ends of the bearing mounting shaft 31, inner rings of the bearings are attached to the stepped shaft, after the bearing mounting shaft 31 with the bearings is assembled with the bearing mounting hole 14, bearing caps are respectively added at two sides of the bearing mounting hole 14 to prevent the bearing mounting shaft 31 from falling off from the bearing mounting hole 14, and the rotating shaft 24 is rotatably engaged with the bearing mounting hole 14 through the bearings on the bearing mounting shaft 31;
the big end shaft 33 passes through a bearing hole of the grating encoder 7 and is fixedly connected with a motor shaft of the stepping motor 1 through the connecting piece 2, concretely, one end of the connecting piece 2 is provided with a straight groove A22 matched with the motor shaft of the stepping motor 1, the other end of the connecting piece 2 is provided with a straight key 23, the end part of the big end shaft 33 is provided with a straight groove B32 matched with the straight key 23, further, in order to ensure that the connecting piece 2 can be stably and effectively connected with the stepping motor 1 and the big end shaft 33, shaft flat surfaces are arranged at the end parts of the motor shaft of the stepping motor 1 and the big end shaft 33 of the rotating shaft 24, screw holes are arranged on the straight groove A22, the straight key 23, the straight groove B32, the motor shaft of the stepping motor 1 and the big end shaft 33 of the rotating shaft 24, one end of the connecting piece 2 is in plug-in matching with the motor shaft of the stepping motor 1 through the straight groove A23 and is fixedly connected through screws, the other end of the connecting piece 2 is in plug-in matching with the straight groove B32 of the big end shaft 33 through the straight key 23 and is fixedly connected through screws Connecting;
In a fourth embodiment, referring to fig. 6, a through hole 37 corresponding to the clamping shaft 4 is formed in the encoder mounting plate 5, a clamping mechanism for clamping and fixing the encoder 3 to be calibrated is arranged on a plate surface of the encoder mounting plate 5, the clamping mechanism includes a screw 35, a butterfly nut 36 and a pressing plate 38, the screw 35 arranged along the axial direction of the through hole 37 is fixedly connected to two sides of the encoder mounting plate 5, the pressing plate 38 is located between the two screws 35, U-shaped shaft holes 40 matched with the screws 35 are formed in two ends of the pressing plate 38, the butterfly nut 36 is arranged at an end of the screw 35, the encoder 3 to be calibrated is abutted against the encoder mounting plate 5 by the pressing plate 38 and locked by the butterfly nut 36, and an encoder rotating shaft of the encoder 3 to be calibrated is in driving connection with the clamping rod 29 through the through hole 37;
in order to avoid the situation that the encoder 3 to be calibrated slips off in the calibration process, the surface of the encoder mounting plate 5 is provided with a limiting mechanism for limiting and blocking the encoder 3 to be calibrated, the limiting mechanism comprises a limiting piece A34 for blocking the upper part of the encoder 3 to be calibrated and a limiting piece B39 for blocking the lower part of the encoder 3 to be calibrated, specifically, two sides of the upper part of the encoder mounting plate 5 are provided with limiting pieces A34 for blocking the upper part of the encoder 3 to be calibrated, the lower part of the through hole 37 of the encoder mounting plate 5 is provided with a notch 41, a limiting piece B39 for blocking and limiting the lower part of the encoder 3 to be calibrated is in sliding fit in the notch 41, two sides of the limiting piece B39 are provided with elastic clamps, and are in interference fit with the notch 41 by utilizing the elasticity of the elastic clamps, when the position of the limiting piece B39 needs to be adjusted, the limiting piece B39 can slide along the notch 41 by only pressing the elastic clips on the two sides.
The rotation angle sensor calibration equipment is implemented by fixing an encoder 3 to be calibrated on an encoder mounting plate 5 through a clamping mechanism, exposing an encoder rotating shaft of the encoder 3 to be calibrated through a through hole 37, driving a clamping shaft 4 to move towards the encoder 3 to be calibrated by a worker rotating a hand wheel 21 through a lead screw sliding table 9, inserting and fixing a positioning hole 28 at the end part of the clamping shaft 4 and the encoder rotating shaft of the encoder 3 to be calibrated by utilizing the insertion and the fixation of the positioning hole 28 and the encoder rotating shaft of the encoder 3 to be calibrated, and screwing a locking nut 27 to realize the fixed connection of the clamping shaft 4 and the encoder 3 to be calibrated; after the connection is finished, the stepping motor 1 is started, a motor shaft of the stepping motor 1 drives the rotating shaft 24, the grating encoder 7, the clamping shaft 4 and the encoder 3 to be calibrated to synchronously rotate, the grating encoder 7 synchronously records the rotating angle of the rotating shaft 24 in the rotating process, a worker compares the angle difference recorded by the grating encoder 7 and the encoder 3 to be calibrated, and the high-precision correction operation of the encoder to be calibrated is realized by writing and burning software algorithms.
The utility model is not described in detail in the prior art, and it is apparent to a person skilled in the art that the utility model is not limited to details of the above-described exemplary embodiments, but that the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the scope of the claims concerned.
Claims (10)
1. A rotation angle sensor calibration apparatus includes a base plate (10), a stepping motor (1) and a grating encoder (7), characterized in that: the surface of the bottom plate (10) is respectively provided with a corresponding lead screw sliding table (9) and an encoder mounting plate (5), the upper part of the lead screw sliding table (9) is respectively provided with a mounting seat (8) and a bearing mounting plate (6), the lead screw sliding table (9) can drive the mounting seat (8) and the bearing mounting plate (6) to move in a plane, the upper part of the mounting seat (8) is provided with a stepping motor (1), the bearing mounting plate (6) is provided with a bearing mounting hole (14), the bearing mounting hole (14) is rotatably connected with a rotating shaft (24), the shaft body of the rotating shaft (24) penetrates through a grating encoder (7), the grating encoder (7) is fixedly connected with the bearing mounting plate (6), one end of the rotating shaft (24) is fixedly connected with the motor shaft of the stepping motor (1), the other end of the rotating shaft (24) is fixedly connected with a clamping shaft (4), the encoder mounting plate (5) is provided with a detachable encoder (3) to be calibrated, and the encoder (3) to be calibrated is in driving connection with the clamping shaft (4), and the stepping motor (1), the grating encoder (7), the rotating shaft (24), the clamping shaft (4) and the encoder (3) to be calibrated are coaxially arranged.
2. The rotation angle sensor calibration apparatus according to claim 1, wherein: lead screw slip table (9) are including fixed platform (16), slip table (15), lead screw (20) and hand wheel (21), fixed platform (16) are the U-shaped structure, it is connected with lead screw (20) to rotate between the both sides wall of fixed platform (16), slip table (15) are equipped with screw (18) with lead screw (20) threaded connection, mount pad (8) and the equal fixed mounting of bearing installation board (6) are in slip table (15) upper portion face, fixed platform (16) lateral wall is worn out and is equipped with hand wheel (21) at its tip to the one end that encoder mounting panel (5) were kept away from in lead screw (20).
3. The rotation angle sensor calibration apparatus according to claim 2, wherein: the mounting seat (8) comprises a vertical plate, a transverse plate and a motor fixing plate (12), the vertical plate is fixedly connected with the upper surface of the sliding table (15), the transverse plate is arranged on the upper portion of the vertical plate, and the motor fixing plate (12) used for fixedly mounting the stepping motor (1) is arranged on the upper portion of the transverse plate.
4. The rotation angle sensor calibration apparatus according to claim 1, wherein: the rotating shaft (24) comprises a small end shaft (30), a bearing installation shaft (31) and a large end shaft (33), the small end shaft (30) is arranged at one end of the bearing installation shaft (31), the large end shaft (33) is arranged at the other end of the bearing installation shaft, the bearing installation shaft (31) is rotatably connected with the bearing installation hole (14), the large end shaft (33) penetrates through a bearing hole of the grating encoder (7) and is fixedly connected with a motor shaft of the stepping motor (1), and the small end shaft (30) is fixedly connected with the clamping shaft (4).
5. The rotation angle sensor calibration apparatus according to claim 4, wherein: big end axle (33) tip is connected with the motor shaft of step motor (1) through connecting piece (2), the one end of connecting piece (2) is equipped with one word groove A (22) with the motor shaft matched with of step motor (1), the other end of connecting piece (2) is equipped with word key (23), big end axle (33) tip is equipped with one word groove B (32) with word key (23) matched with, connecting piece (2) both ends respectively with the motor shaft of step motor (1) and big end axle (33) joint cooperation and pass through the fix with screw.
6. A rotation angle sensor calibration apparatus according to claim 4, characterized in that the clamping shaft (4) comprises a rotating wheel (25) and a clamping rod (29), the end surface of one end of the rotating wheel (25) is provided with a mounting hole (26) adapted to the small end shaft (30), the other end of the rotating wheel (25) is provided with the clamping rod (29), and the end of the clamping rod (29) is drivingly connected with the encoder (3) to be calibrated.
7. The rotation angle sensor calibration apparatus according to claim 6, wherein: the end face of the clamping rod (29) is provided with a positioning hole (28) matched with a rotary shaft of the encoder to be calibrated (3), and the end part of the clamping rod (29) is provided with a locking nut (27) used for adjusting the inner diameter of the positioning hole (28).
8. The rotation angle sensor calibration apparatus according to claim 1, wherein: the encoder mounting plate (5) is provided with a through hole (37) corresponding to the clamping shaft (4), the surface of the encoder mounting plate (5) is provided with a clamping mechanism for clamping and fixing the encoder (3) to be calibrated, and the end part of the clamping shaft (4) penetrates through the through hole (37) to be in driving connection with the encoder (3) to be calibrated.
9. The rotation angle sensor calibration apparatus according to claim 8, wherein: the clamping mechanism comprises a screw (35), a butterfly nut (36) and a pressing plate (38), the two sides of the encoder mounting plate (5) are fixedly connected with the screw (35) which is arranged along the axial direction of the through hole (37) respectively, the pressing plate (38) is located between the two screws (35), U-shaped shaft holes (40) matched with the screws (35) are formed in the two ends of the pressing plate (38), and the butterfly nut (36) is arranged at the end part of each screw (35).
10. The rotation angle sensor calibration apparatus according to claim 8, wherein: the surface of the encoder mounting plate (5) is provided with a limiting mechanism for limiting and blocking the encoder to be calibrated (3), and the limiting mechanism comprises a limiting part A (34) for blocking the upper part of the encoder to be calibrated (3) and a limiting part B (39) for blocking the lower part of the encoder to be calibrated (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121745466.6U CN215447996U (en) | 2021-07-27 | 2021-07-27 | Rotation angle sensor calibration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121745466.6U CN215447996U (en) | 2021-07-27 | 2021-07-27 | Rotation angle sensor calibration equipment |
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| Publication Number | Publication Date |
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| CN215447996U true CN215447996U (en) | 2022-01-07 |
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| CN202121745466.6U Active CN215447996U (en) | 2021-07-27 | 2021-07-27 | Rotation angle sensor calibration equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114199282A (en) * | 2022-02-17 | 2022-03-18 | 南京谷贝电气科技有限公司 | Angle sensor calibration device and method based on double encoders |
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2021
- 2021-07-27 CN CN202121745466.6U patent/CN215447996U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114199282A (en) * | 2022-02-17 | 2022-03-18 | 南京谷贝电气科技有限公司 | Angle sensor calibration device and method based on double encoders |
| CN114199282B (en) * | 2022-02-17 | 2022-05-10 | 南京谷贝电气科技有限公司 | Angle sensor calibration device and method based on double encoders |
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