Motor magnetic coding zeroing device
By using a vertically positioned motor magnetic encoder zeroing device, which combines a base, mounting plate, and bracket structure with a coupling and locking block design, the problem of random initial phase angle of the motor encoder is solved, achieving higher calibration accuracy and ease of operation.
Patent Information
- Application Number
- CN202423104117.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-16
AI Technical Summary
In the existing technology, the initial phase angle of the motor encoder is random and unknown when it is installed with the motor, which leads to inaccurate calibration, especially when it is set horizontally and is more affected by gravity.
The motor magnetic zeroing device, which is set vertically, includes a base, a first mounting plate, a second mounting plate, and a bracket. The standard motor is fixed to the first mounting plate, and the motor to be calibrated is fixed to the second mounting plate. The motor is driven by a coupling, and the motor is stably connected by rotatable blocks and fasteners.
This improves the accuracy and ease of operation of the calibration process, reduces the impact of gravity on calibration, and ensures motor position matching.
Smart Images
Figure CN223679318U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor encoder adjustment technical field, especially a motor magnetic encoding zero setting device. BACKGROUND
[0002] In order to detect the actual working parameter of motor, the encoder connected with the motor is usually installed on the surface of motor, and after the encoder is connected with the motor, due to the randomness or installation deviation of the operation worker in the process of connecting the encoder with the motor, there is an initial phase angle between the absolute position signal and the rotor mechanical angle, which is random and unknown. In order to solve the above problem, after the installation of the encoder is completed, the magnetic encoding zero setting step is needed to determine and correct the initial phase angle of the encoder, so as to ensure that the output of the encoder matches the actual position of the motor.
[0003] In the prior art, the standard motor and the motor to be calibrated are usually arranged in a horizontal manner, but due to the horizontal arrangement of the motor to be calibrated, the accuracy of calibration is reduced due to the gravity of the horizontally arranged motor itself during the calibration process. UTILITY MODEL CONTENT
[0004] The main purpose of the utility model is to provide a motor magnetic encoding zero setting device arranged in a vertical direction, which can overcome the influence of the actual calibration accuracy caused by the horizontal placement of the motor, so as to make the calibration process more convenient and accurate.
[0005] In order to achieve the above purpose, the utility model provides a motor magnetic encoding zero setting device, which comprises a base, a first mounting plate and a second mounting plate arranged from bottom to top; a plurality of first supports are connected between the base and the first mounting plate, a plurality of second supports are connected between the first mounting plate and the second mounting plate, a standard motor is fixedly connected with the first mounting plate, a motor to be calibrated is fixedly connected with the second mounting plate, and the standard motor and the motor to be calibrated are connected and driven by a shaft coupling.
[0006] Preferably, the motor to be calibrated is fixedly connected with the second mounting plate through a transition connecting plate.
[0007] Preferably, the second mounting plate is provided with a fixed mounting seat, and the fixed mounting seat is threadedly connected with a rotatable clamping block; when the motor to be calibrated is placed on the transition connecting plate, the clamping block is rotated and locked and pressed downward to the end cover of the motor to be calibrated.
[0008] Preferably, the end cover of the standard motor is fixedly connected with the bottom surface of the first mounting plate through a fastener, and the bottom of the standard motor is connected with the base without contact; and the end cover of the motor to be calibrated is positioned and connected with the transition connecting plate.
[0009] Preferably, the coupling is arranged between the first mounting plate and the second mounting plate, the transmission shaft of the standard motor passes through the first mounting plate upwardly and is connected with one end of the coupling, and the transmission shaft of the motor to be calibrated passes through the second mounting plate downwardly and is connected with the other end of the coupling.
[0010] Preferably, the wire outlet directions of the standard motor and the motor to be calibrated are not on the same axis.
[0011] Preferably, the first support is three first support columns, the two ends of the first support columns are fixedly connected with the base and the first mounting plate respectively, the second support is three second support columns, the two ends of the second support columns are fixedly connected with the first mounting plate and the second mounting plate respectively, and the first support columns and the second support columns do not coincide in the axial direction.
[0012] The technical scheme of the utility model has the following advantages relative to the prior art:
[0013] The utility model discloses a motor magnetic encoding zero setting device, which comprises a base, a first mounting plate and a second mounting plate arranged from bottom to top, a plurality of first supports connected between the base and the first mounting plate, a plurality of second supports connected between the first mounting plate and the second mounting plate, a standard motor fixedly connected with the first mounting plate, a motor to be calibrated fixedly connected with the second mounting plate, and the standard motor and the motor to be calibrated connected and driven by a coupling. The motor magnetic encoding zero setting device sets the standard motor and the motor to be calibrated in a longitudinal manner, the transmission path and the detection process are not easily affected by the horizontal placement form, the accuracy of the calibration process can be ensured, and the installation and operation are greatly facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the structures shown in the drawings without creative labor for those skilled in the art.
[0015] Figure 1 It is a three-dimensional structure schematic view of the motor magnetic encoding zero setting device of the utility model.
[0016] Figure 2 It is another three-dimensional structure schematic view of the motor magnetic encoding zero setting device of the utility model.
[0017] EXPLANATION OF DRAWINGS:
[0018] 1, base; 2, the first mounting plate; 3, the second mounting plate; 4, standard motor; 5, coupling; 6, to be calibrated motor; 7, transition connecting plate; 8, the first support; 81, the first support column; 9, the second support; 91, the second support column; 101, fixed mounting seat; 102, clamping block.
[0019] The realization, functional features and advantages of the utility model will be further described with reference to the drawings in conjunction with embodiments. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0021] The utility model provides a motor magnetic encoding zero setting device.
[0022] Please refer to Figure 1 and Figure 2 In the motor magnetic encoding zero setting device in the embodiments of the utility model, the base 1, the first mounting plate 2 and the second mounting plate 3 are arranged from bottom to top; the first mounting plate 2 and the second mounting plate 3 are connected with the first support 8 and the second support 9 respectively, so that the base 1, the first mounting plate 2 and the second mounting plate 3 form the overall framework of the motor magnetic encoding zero setting device, and the motor magnetic encoding zero setting device is arranged in the vertical direction. In addition, the standard motor 4 is fixedly connected with the first mounting plate 2, the to-be-calibrated motor 6 is fixedly connected with the second mounting plate 3, the standard motor 4 and the to-be-calibrated motor 6 are connected and driven by the coupling 5, so that the standard motor 4 and the to-be-calibrated motor 6 are arranged in the longitudinal direction and are driven in the longitudinal direction.
[0023] The to-be-calibrated motor 6 is fixedly connected with the second mounting plate 3 through the transition connecting plate 7, the second mounting plate 3 is provided with threaded holes on the surface, the transition connecting plate 7 is fixedly connected with the second mounting plate 3 through fasteners, and the end cover of the to-be-calibrated motor 6 is provided with a positioning lug, the positioning lug is directly inserted into the corresponding positioning hole of the transition connecting plate 7, so that the to-be-calibrated motor 6 and the transition connecting plate 7 are preliminarily positioned.
[0024] In addition, the second mounting plate 3 is provided with a fixed mounting seat 101, and the fixed mounting seat 101 is threadedly connected with a rotatable clamping block 102, when the motor to be calibrated 6 is placed on the transition connecting plate 7, the clamping block 102 is rotated and locked and pressed downward to the end cover of the motor to be calibrated 6, and a fastener can be arranged on the top of the clamping block 102, and the clamping block 102 is fixedly connected with the fixed mounting seat 101 or disassembled through the fastener. When it is required to completely fix the motor to be calibrated 6 with the transition connecting plate 7, the clamping block 102 and the fixed mounting seat 101 are completely fastened through the fastener on the clamping block 102, so that the clamping block 102 completely fixes or locks the motor to be calibrated 6, and displacement or shaking of the motor to be calibrated 6 is not easily caused when the standard motor 4 drives the motor to be calibrated 6.
[0025] More specifically, the end cover of the standard motor 4 is fixedly connected with the bottom surface of the first mounting plate 1 through a fastener, the bottom of the standard motor 4 is not in contact with the base 1, that is, the bottom of the standard motor 4 is in a suspended state, and the end cover of the motor to be calibrated 6 is positioned and connected with the transition connecting plate 7. In addition, the shaft coupling 5 is arranged between the first mounting plate 2 and the second mounting plate 3, the driving shaft of the standard motor 4 passes upward through the first mounting plate 2 and is connected with one end of the shaft coupling 5, and the driving shaft of the motor to be calibrated 6 passes downward through the second mounting plate 3 and is connected with the other end of the shaft coupling 5, so that in the actual calibration process, the standard motor 4 drives the shaft coupling 5, and the shaft coupling 5 further drives the motor to be calibrated 6.
[0026] In addition, the wire outlet directions of the standard motor 4 and the motor to be calibrated 6 of the embodiment are not on the same axis, so that axial overlapping of the cables is avoided, and the data accuracy in the calibration process is affected.
[0027] Preferably, the first support 8 is three first support columns 81, and the two ends of the first support column 81 are fixedly connected with the base 1 and the first mounting plate 2 respectively; the second support 9 is three second support columns 91, and the two ends of the second support column 91 are fixedly connected with the first mounting plate 2 and the second mounting plate 3 respectively, and the first support column 81 and the second support column 91 do not coincide in the axial direction, and it can be known from the drawings of the utility model that the first support column 81 and the second support column 91 of the application do not coincide with each other in the axial direction, that is, they are staggered by a certain circumferential distance, so that the strength of the framework structure of the motor magnetic calibration zero device is improved, and the resonance in the driving process is reduced.
[0028] The above only describes the preferred embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made under the concept of the utility model, or direct / indirect application in other related technical fields is included in the patent protection range of the utility model.
Claims
1. A magnetic zero setting device for an electric machine, characterized by The device comprises a base, a first mounting plate and a second mounting plate arranged from bottom to top; a plurality of first supports are connected between the base and the first mounting plate, and a plurality of second supports are connected between the first mounting plate and the second mounting plate; a standard motor is fixedly connected with the first mounting plate, and a motor to be calibrated is fixedly connected with the second mounting plate; the standard motor and the motor to be calibrated are connected and driven by a coupling.
2. The magnetic field tuning device of claim 1, wherein The motor to be calibrated is fixedly connected with the second mounting plate through a transition connecting plate.
3. The motor magnetic calibration zeroing device of claim 2, wherein, The second mounting plate is provided with a fixed mounting seat on the surface, and the fixed mounting seat is threadedly connected with a rotatable clamping block; when the motor to be calibrated is placed on the transition connecting plate, the clamping block is rotated and locked and pressed downward against the end cover of the motor to be calibrated.
4. The motor magnetic tuning zero device of claim 3, wherein, The end cover of the standard motor is fixedly connected with the bottom surface of the first mounting plate through a fastener, and the bottom of the standard motor is connected with the base without contact; the end cover of the motor to be calibrated is positioned and connected with the transition connecting plate.
5. The magnetic field tuning device of claim 4, wherein the magnetic field tuning device is configured to be mounted on a rotor of the electric motor. The coupling is arranged between the first mounting plate and the second mounting plate, the driving shaft of the standard motor passes through the first mounting plate upward and is connected with one end of the coupling, and the driving shaft of the motor to be calibrated passes through the second mounting plate downward and is connected with the other end of the coupling.
6. The motor magnetic tuning zero device of claim 5, wherein, The wire outlet directions of the standard motor and the motor to be calibrated are not on the same axis.
7. The motor magnetic tuning zero device of claim 1, wherein, The first support is three first support columns, and the two ends of the first support columns are fixedly connected with the base and the first mounting plate respectively; the second support is three second support columns, and the two ends of the second support columns are fixedly connected with the first mounting plate and the second mounting plate respectively, and the first support columns and the second support columns do not coincide in the axial direction.