CN219319466U - Angle encoder calibration device - Google Patents
Angle encoder calibration device Download PDFInfo
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- CN219319466U CN219319466U CN202320788949.7U CN202320788949U CN219319466U CN 219319466 U CN219319466 U CN 219319466U CN 202320788949 U CN202320788949 U CN 202320788949U CN 219319466 U CN219319466 U CN 219319466U
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- motor
- mounting seat
- angle encoder
- motor driver
- stator
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Abstract
The utility model relates to a checking device of an angle encoder, wherein a top cover is covered on a base and forms a closed metal space with the base, and a motor driver mounting seat, a motor driver, a control board mounting seat, a control board and a turntable motor are all arranged in the closed metal space; the motor driver mounting seat and the control board mounting seat are fixed on the base, the motor driver and the control board are respectively arranged in the motor driver mounting seat and the control board mounting seat, and the turntable motor is fixed on the motor driver mounting seat; the control panel is electrically connected with a motor driver, and the motor driver is electrically connected with the turntable motor; the turntable motor comprises a motor stator and a motor rotor which are positioned in the middle of the turntable motor, the angle encoder rotor is fixed on the motor rotor, and the angle encoder stator is fixed on the motor stator; the top cover is provided with a mounting hole matched with the outer diameter of the angle encoder; the checking device is simple to operate and can prevent electromagnetic interference from being generated to the angle encoder.
Description
Technical Field
The utility model relates to an angle encoder checking device, and belongs to the technical field of angle encoder checking.
Background
The current angle encoder measurement and precision verification device, as disclosed in patent 202310078333.5, adopts a polyhedral-auto-collimator method to detect and verify the error of the angle encoder, but has the advantages of high operation difficulty, strong specialization and higher requirement on operators; and electromagnetic interference between the motor driver, the control board, the turntable motor and the angle encoder cannot be prevented.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides an angle encoder checking device which is simple to operate and can prevent electromagnetic interference among a motor driver, a control board, a turntable motor and an angle encoder.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: an angle encoder verifying attachment, includes angle encoder rotor and angle encoder stator, its characterized in that: the motor drive device also comprises a base, a top cover, a motor driver mounting seat, a motor driver, a control board mounting seat, a control board and a turntable motor;
the top cover is covered on the base and forms a closed metal space with the base, and the motor driver mounting seat, the motor driver, the control panel mounting seat, the control panel and the turntable motor are all arranged in the closed metal space;
the motor driver mounting seat and the control board mounting seat are fixed on the base, the motor driver and the control board are respectively arranged on the motor driver mounting seat and the control board mounting seat, and the turntable motor is fixed on the motor driver mounting seat; the control board is electrically connected with a motor driver, and the motor driver is electrically connected with a turntable motor;
the rotary table motor comprises a motor stator positioned in the middle of the rotary table motor and a ring-shaped motor rotor rotatably connected to the periphery of the motor stator, the angle encoder rotor is fixed on the motor rotor, and the angle encoder stator is fixed on the motor stator; and the top cover is provided with a mounting hole matched with the outer diameter of the turntable motor.
The technical scheme is further designed as follows: a closed metal space is defined between the motor driver mounting seat and the base, and the motor driver is arranged in the closed metal space.
And a closed metal space is formed by enclosing the control panel mounting seat, the base and the cover plate, and the control panel is positioned in the closed metal space.
And the motor driver mounting seat is provided with a control wire hole, a power supply hole, a motor control wire hole and a motor power wire hole.
And a control line hole and a power supply hole are formed in the control panel mounting seat.
The top of the top cover is provided with an emergency stop switch installation position, the front side of the top cover is provided with a control panel power switch installation position and a USB interface, and the back side of the top cover is provided with a power socket installation position and an EMI filter installation hole; the emergency stop switch installation position is provided with an emergency stop switch, the control panel power switch installation position is provided with a control panel power switch, and the power socket installation position and the EMI filter installation hole are respectively provided with a power socket and an EMI filter.
The power line of the motor driver is connected with the emergency stop switch through a power supply hole on the motor driver mounting seat, the control line is connected with the control board through a control line hole on the motor driver mounting seat, and the power line and the control line of the motor are connected with the motor driver through a motor power line hole on the motor driver mounting seat.
The control panel links to each other with the USB interface, and the power cord of control panel is connected to control panel switch through the power supply hole of control panel mount pad, and control panel switch links to each other with the scram switch, and the scram switch is connected with the EMI wave filter, and the EMI wave filter connects power socket.
The angle encoder verification device further comprises a fixture, wherein the fixture comprises a fixed shaft, a rotor mounting seat and a stator mounting seat which are coaxially arranged on the turntable motor, a shaft hole matched with the fixed shaft is formed in the center of the motor stator, the fixed shaft is fixed in the shaft hole, the rotor mounting seat is fixedly arranged on the motor rotor, and a through hole for the end part of the fixed shaft to pass through is formed in the middle of the rotor mounting seat; the angle encoder rotor is annular and is fixed on the rotor mounting seat; the bottom of the stator mounting seat is provided with a groove matched with the end part of the fixed shaft, the end part of the fixed shaft penetrates through the rotor mounting seat and the angle encoder rotor to be fixedly connected with the groove of the stator mounting seat, and the angle encoder stator is fixed on the stator mounting seat.
A gasket is arranged between the end part of the fixed shaft and the top surface of the groove at the bottom of the stator mounting seat.
The utility model has the beneficial effects that:
the angle encoder checking device can measure the real angular displacement of the angle encoder and simplify the accuracy checking of the angle encoder. By controlling the turntable motor, the angular displacement of the turntable is regarded as the real angular displacement, the reading of the angle encoder is compared with the real angular displacement, the measurement and the accuracy verification of the angle encoder are completed, the process is simple and easy to implement, and the requirement on an operator is low.
The turntable motor, the motor driver and the control board are arranged in the closed metal space, so that the anti-interference and electromagnetic shielding effects can be effectively achieved.
Drawings
FIG. 1 is an exploded view of an angle encoder verification device of the present utility model;
FIG. 2 is a three view of the motor drive mount of the angle encoder verification apparatus of the present utility model;
FIG. 3 is a three-view of the control board mount of the angle encoder verification device of the present utility model;
FIG. 4 is a three-view of the top cover of the angle encoder verification device of the present utility model;
FIG. 5 is a block diagram of an angle encoder verification structure in accordance with the present utility model;
FIG. 6 is a histogram of test results according to a first embodiment of the present utility model;
fig. 7 is an exploded view of a tool holder according to a second embodiment of the present utility model.
Description of the embodiments
The utility model will now be described in detail with reference to the accompanying drawings and specific examples.
Example 1
As shown in fig. 1, an angle encoder verification device of the present embodiment includes a base 1, a top cover 4, a motor driver mount 2, a motor driver 6, a control board mount 3, a control board 7, and a turntable motor 5; the base 1, the top cover 4, the motor driver mounting seat 2 and the control board mounting seat 3 are all made of metal materials.
The bottom of the base 1 is provided with a fixing hole for installing a motor driver installation seat 2 and a control board installation seat 3. Referring to fig. 2, the motor driver mounting base 2 is provided with ear plates on both sides for connecting with the base 1 and having fixing holes, the top of the base is provided with fixing holes for fixing the motor 5, the front of the base is provided with a first control wire hole 22, the back of the base is provided with a first power supply hole 21, and the side of the base is provided with a motor power wire hole 23 and a motor control wire hole 24; and the motor mounting seat 2 and the base 1 can form a closed metal box, and the metal box has the functions of anti-interference and electromagnetic shielding.
As shown in fig. 3, the control board mounting seat 3 is provided with ear plates which are used for being connected with the base 1 and are provided with fixing holes on two sides, and a second control line hole 31 and a second power supply hole 32 are formed on the front surface of the control board mounting seat; and the control panel mounting seat 3, the top cover 4 and the base 1 also form a closed metal box, and the metal box has the functions of anti-interference and electromagnetic shielding.
The base 1 is opened in the side has the fixed orifices, combines the fig. 4 to show, and top cap 4 is equipped with the otic placode in the department that corresponds with the fixed orifices, opens on the otic placode to have with the fixed orifices complex fixed orifices of base 1 side, links together base 1 and top cap 4 through the screw that sets up in two fixed orifices and constitutes a closed metal box, guarantees that the electromagnetic interference that external production can not influence this angle encoder measuring device's normal work, has anti-interference, electromagnetic shield's effect.
The rotary table motor 5 is fixed on the motor driver mounting seat 2 and comprises a motor stator positioned in the middle of the rotary table motor and a ring-shaped motor rotor rotatably connected to the periphery of the motor stator, the angle encoder is connected with the rotary table motor 5 through a tool fixture 8, the angle encoder rotor 9 is fixed on the motor rotor, and the angle encoder stator 10 is fixed on the motor stator; the top cover 4 is provided with a mounting hole 44 matched with the outer diameter of the turntable motor, and the turntable motor 5 is exposed from the mounting hole 44, so that the angle encoder is convenient to mount.
The top of the top cover 4 is provided with an emergency stop switch mounting position 41, a control panel power switch mounting position 42 and a USB interface 45 are arranged on the front surface, and a power socket mounting position 43 and an EMI filter mounting hole 46 are arranged on the back surface; the emergency stop switch installation position is provided with an emergency stop switch, the control panel power switch installation position is provided with a control panel power switch, and the power socket installation position and the EMI filter installation hole are respectively provided with a power socket and an EMI filter.
Referring to fig. 5, a power line of the motor driver 6 is connected to the emergency stop switch through a first power supply hole 21 on the motor driver mounting seat, a control line is connected to the control board 7 through a first control line hole 22 on the motor driver mounting seat 2 and a second control line hole 32 on the control board mounting seat 3, and a power line and a control line of the motor 5 are connected to the motor driver 6 through a second power supply line hole 23 on the motor driver mounting seat 2 and a motor control line hole 24; the control panel 7 is connected with the USB interface 45 through a wire, a power line of the control panel 7 is connected to a control panel power switch through a second power supply hole 31 of the control panel mounting seat 3, the control panel power switch is connected with an scram switch, the scram switch is connected with an EMI filter, the EMI filter is connected with a power socket, and the power socket is connected with a power supply. The upper computer is in communication connection with the control board 7 through the USB interface, the motor driver 6 is used for controlling the turntable motor 5 to drive the angle encoder rotor 9 to rotate, the rotating angle of the turntable motor is taken as a reference, the reading of the angle encoder is used for comparison, the measurement and the precision verification of the angle encoder are completed, the process is simple and easy to implement, and the requirement on an operator is low.
By using the angle encoder calibration device of the embodiment to measure and calibrate the precision of the angle encoder, the angle encoder measurement device measures the measured turntable within the range of 0-360 degrees, and fig. 6 is a histogram of the difference between the actual angular displacement of the turntable and the measurement result of the angle sensor, and it can be seen from the figure that the angle encoder calibration device of the embodiment can accurately finish the measurement and the precision calibration of the angle encoder.
Example two
The angle encoder calibration device of this embodiment has a structure substantially the same as that of the first embodiment, and is different in that, as shown in fig. 7, the tool fixture 8 includes a fixed shaft 81 coaxially disposed on the turntable motor, a rotor mounting seat 82, and a stator mounting seat 83, a shaft hole matching the fixed shaft 81 is formed in the center of the motor stator, the fixed shaft 81 is fixed in the shaft hole and is fixed by a screw, the rotor mounting seat 82 is in a revolving structure and is fixed on the motor rotor by a screw, and a positioning through hole for the end portion of the fixed shaft 81 to pass is formed in the middle; the angle encoder rotor 9 is annular and is fixed on the rotor mounting seat 82 through screws; the stator mounting seat 83 is a revolving body structure, a groove matched with the end part of the fixed shaft 4 is formed in the bottom, a boss is formed at the top, the end part of the fixed shaft 81 penetrates through the rotor mounting seat 82 and the angle encoder rotor 9 to be fixedly connected with the groove of the stator mounting seat 83, and the angle encoder stator 10 is fixed on the stator mounting seat 83 through screws. The stator mount 83 is provided with an annular collar coaxial with the boss and having an outer diameter matching the inner diameter of the angle encoder stator 9, which is sleeved on the collar of the stator mount. Because the turntable motor is coaxially arranged with the fixed shaft 81, the rotor mounting seat 82 and the stator mounting seat 83, the coaxiality between the angle encoder and the turntable motor 5 can be ensured, and the mounting precision of the angle encoder can be ensured.
A spacer 84 is disposed between the end of the fixed shaft 81 and the top surface of the groove at the bottom of the stator mounting seat 83, and the air gap between the stator and the rotor of the angle encoder can be adjusted by adjusting the number of the spacers so as to adapt to different requirements of various angle encoders.
The technical scheme of the utility model is not limited to the embodiments, and all technical schemes obtained by adopting equivalent substitution modes fall within the scope of the utility model.
Claims (10)
1. An angle encoder verifying attachment, includes angle encoder rotor and angle encoder stator, its characterized in that: the motor drive device also comprises a base, a top cover, a motor driver mounting seat, a motor driver, a control board mounting seat, a control board and a turntable motor;
the top cover is covered on the base and forms a closed metal space with the base, and the motor driver mounting seat, the motor driver, the control panel mounting seat, the control panel and the turntable motor are all arranged in the closed metal space;
the motor driver mounting seat and the control board mounting seat are fixed on the base, the motor driver and the control board are respectively arranged in the motor driver mounting seat and the control board mounting seat, and the turntable motor is fixed on the motor driver mounting seat; the control board is electrically connected with a motor driver, and the motor driver is electrically connected with a turntable motor;
the rotary table motor comprises a motor stator positioned in the middle of the rotary table motor and a ring-shaped motor rotor rotatably connected to the periphery of the motor stator, the angle encoder rotor is fixed on the motor rotor, and the angle encoder stator is fixed on the motor stator; and the top cover is provided with a mounting hole matched with the outer diameter of the turntable motor.
2. The angle encoder verification device of claim 1, wherein: a closed metal space is defined between the motor driver mounting seat and the base, and the motor driver is arranged in the closed metal space.
3. The angle encoder verification device of claim 2, wherein: and a closed metal space is formed by enclosing the control panel mounting seat, the base and the cover plate, and the control panel is positioned in the closed metal space.
4. The angle encoder verification device of claim 3, wherein: and the motor driver mounting seat is provided with a control wire hole, a power supply hole, a motor power wire hole and a motor control wire hole.
5. The angle encoder verification device of claim 4, wherein: and a control line hole and a power supply hole are formed in the control panel mounting seat.
6. The angle encoder verification device of claim 5, wherein: the top of the top cover is provided with an emergency stop switch installation position, the front side of the top cover is provided with a control panel power switch installation position and a USB interface, and the back side of the top cover is provided with a power socket installation position and an EMI filter installation hole; the emergency stop switch installation position is provided with an emergency stop switch, the control panel power switch installation position is provided with a control panel power switch, and the power socket installation position and the EMI filter installation hole are respectively provided with a power socket and an EMI filter.
7. The angle encoder verification device of claim 6, wherein: the power line of the motor driver is connected with the emergency stop switch through a power supply hole on the motor driver mounting seat, the control line is connected with the control board through a control line hole on the motor driver mounting seat, and the power line and the control line of the motor are connected with the motor driver through a motor power line hole and a motor control line hole on the motor driver mounting seat.
8. The angle encoder verification device of claim 7, wherein: the control panel links to each other with the USB interface, and the power cord of control panel is connected to control panel switch through the power supply hole of control panel mount pad, and control panel switch links to each other with the scram switch, and the scram switch is connected with the EMI wave filter, and the EMI wave filter connects power socket.
9. The angle encoder verification device of claim 1, wherein: the motor stator is characterized by further comprising a fixture, wherein the fixture comprises a fixed shaft, a rotor mounting seat and a stator mounting seat which are coaxially arranged on the turntable motor, a shaft hole matched with the fixed shaft is formed in the center of the motor stator, the fixed shaft is fixed in the shaft hole, the rotor mounting seat is fixedly arranged on the motor rotor, and a through hole for the end part of the fixed shaft to pass through is formed in the middle of the rotor mounting seat; the angle encoder rotor is annular and is fixed on the rotor mounting seat; the bottom of the stator mounting seat is provided with a groove matched with the end part of the fixed shaft, the end part of the fixed shaft penetrates through the rotor mounting seat and the angle encoder rotor to be fixedly connected with the groove of the stator mounting seat, and the angle encoder stator is fixed on the stator mounting seat.
10. The angle encoder verification device of claim 9, wherein: a gasket is arranged between the end part of the fixed shaft and the top surface of the groove at the bottom of the stator mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320788949.7U CN219319466U (en) | 2023-04-11 | 2023-04-11 | Angle encoder calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320788949.7U CN219319466U (en) | 2023-04-11 | 2023-04-11 | Angle encoder calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219319466U true CN219319466U (en) | 2023-07-07 |
Family
ID=87028189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320788949.7U Active CN219319466U (en) | 2023-04-11 | 2023-04-11 | Angle encoder calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219319466U (en) |
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2023
- 2023-04-11 CN CN202320788949.7U patent/CN219319466U/en active Active
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