CN107741547B - Automatic testing system for Hall element of electric actuating mechanism - Google Patents
Automatic testing system for Hall element of electric actuating mechanism Download PDFInfo
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- CN107741547B CN107741547B CN201711137541.9A CN201711137541A CN107741547B CN 107741547 B CN107741547 B CN 107741547B CN 201711137541 A CN201711137541 A CN 201711137541A CN 107741547 B CN107741547 B CN 107741547B
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- hall element
- motor
- sliding table
- sliding rail
- magnetic steel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Abstract
An automatic testing system for Hall elements of an electric actuator. Relates to an electric actuator, in particular to an automatic Hall element testing system for the electric actuator. The automatic testing system for the Hall element of the electric actuator is simple in structure, convenient to use and accurate and reliable in measurement. The sliding table is characterized by comprising a controller, a motor, a screw rod, a sliding rail, a sliding table, magnetic steel and a Hall element, wherein the motor and the Hall element are respectively arranged at two ends of the sliding rail, the motor is in sliding connection with the sliding rail through the screw rod, the magnetic steel is arranged on the sliding table, and the controller controls the motor to act. The center of the magnetic steel and the center of the Hall element are positioned on the same horizontal line. The motor control device also comprises a switch button, wherein the switch button is used for controlling the motor to start, stop and adjust the rotating direction. Still include the horizontal range finder, the horizontal range finder is established on the slip table, the horizontal range finder is used for measuring the distance between magnet steel and the hall element. The invention has the advantages of high precision, high reliability and the like.
Description
Technical Field
The invention relates to an electric actuator, in particular to an automatic Hall element testing system for an electric actuator.
Background
The existing electric actuating mechanisms, in particular to intelligent electric actuating mechanisms, are all of non-invasive design and have man-machine interaction interfaces, and man-machine interaction is achieved through keys. The reliability of the keys is directly related to the reliability of the system, and the user experience is affected. The key on the operation panel of the electric actuating mechanism adopts an induction type design, magnetic steel is designed in the key as an input end, and a Hall element on the circuit board is used as an induction end to feed back input. Because of the difference of the performances of each batch of the Hall elements and the lack of an effective testing method, the phenomenon of key failure of an operation panel of the electric actuator occurs, and the reworking is time-consuming and labor-consuming, the testing device of the Hall elements is urgently required.
Disclosure of Invention
Aiming at the problems, the invention provides the automatic testing system for the Hall element of the electric actuator, which has the advantages of simple structure, convenient use and accurate and reliable measurement.
The technical scheme of the invention is as follows: comprises a controller, a motor, a screw rod, a sliding rail, a sliding table, magnetic steel and a Hall element,
the sliding rail is U-shaped, the motor and the Hall element are respectively arranged at two ends of the sliding rail, the motor is in sliding connection in the sliding rail through the screw rod driving sliding table, the magnetic steel is arranged on the sliding table, and the controller controls the motor to act.
The controller comprises a motor driving module and a signal detection module, wherein the motor driving module is used for driving a motor, and the signal detection module is used for receiving a Hall element signal.
The motor is a stepping motor.
The center of the magnetic steel and the center of the Hall element are positioned on the same horizontal line.
The motor control device also comprises a switch button, wherein the switch button is used for controlling the motor to start, stop and adjust the rotating direction.
Still include the horizontal range finder, the horizontal range finder is established on the slip table, the horizontal range finder is used for measuring the distance between magnet steel and the hall element.
The invention comprises a controller, a stepping motor, a screw rod, a sliding rail, a sliding table, magnetic steel and a Hall element, wherein the stepping motor drives the sliding table to be connected to the sliding rail in a sliding way through the screw rod, the distance between the magnetic steel and the Hall element is adjusted, the induction distance of the Hall element is measured by observing the movement of the sliding table, and the performance of the Hall element is judged.
The invention solves the problem that the existing electric actuating mechanism does not have the function of automatic measurement of the Hall element and the reliability verification of the key. The working performance of the Hall element can be tested by one key without welding, the Hall element is not damaged, and the stepping motor is used as a driving device, so that the Hall element has the advantages of high precision, high reliability and the like.
Drawings
Figure 1 is a schematic view of the structure of the present invention,
FIG. 2 is a top view of FIG. 1;
in the figure, 1 is a controller, 2 is a stepping motor, 3 is a stepping motor driver, 4 is a coupler, 5 is a lead screw, 6 is a sliding rail, 7 is a sliding table, 8 is magnetic steel, 9 is a Hall element, and 10 is a switch button.
Detailed Description
The invention is shown in figures 1-2, and comprises a controller 1, a motor, a screw rod 5, a slide rail 6, a sliding table 7, magnetic steel 8 and a Hall element 9,
the sliding rail 6 is U-shaped, the motor and the Hall element 9 are respectively arranged at two ends of the sliding rail, the motor drives the sliding table to be in sliding connection in the sliding rail through the lead screw 5, the magnetic steel 8 is arranged on the sliding table, and the controller 1 controls the motor to act.
The controller 1 comprises a motor driving module and a signal detection module, wherein the motor driving module is used for driving a motor, and the signal detection module is used for receiving a Hall element signal.
The motor is a stepping motor 2, so that the precision is high and the reliability is high.
The center of the magnetic steel 8 and the center of the Hall element 9 are positioned on the same horizontal line, so that the working interval between the two can be reliably tested.
The hall element 9 is a hall element SS443A.
The motor is controlled to start, stop and turn by turning, and the switch button 10 is also included, and is convenient to operate.
Still include the horizontal range finder, the horizontal range finder is established on the slip table, the horizontal range finder is used for measuring the distance between magnet steel and the hall element, and the horizontal range finder is laser range finder or infrared range finder.
In the application of the invention, a controller 1 (i.e. a singlechip control circuit) is connected with a stepping motor driver 3, a stepping motor 2 is connected with a coupler 4 and a screw rod 5, the screw rod 5 is connected with a sliding table 7, a magnetic steel 8 is arranged on the sliding table, and a Hall element 9 is arranged at the tail end of a guide rail 6. The sensing distance of the Hall element 9 is measured by observing the movement of the sliding table 7, and the performance of the Hall element is judged.
The singlechip control circuit comprises a signal detection module and a motor driving module. The signal detection module is used for receiving the level of the tested Hall element to judge whether the key works, and the motor driving module is connected with the stepping motor driver 3 to drive the stepping motor 2. The stepping motor 2 rotates to drive the screw rod 5 to rotate, and the screw rod 5 rotates to drive the sliding table 7 to move. The magnetic pole of the magnetic steel 8 is opposite to the center of the Hall element 9.
The magnetic pole of the magnetic steel 8 is opposite to the center of the Hall element 9, and the distance is kept. When the switch button 10 is pressed down, the stepping motor 2 is started to drive the screw rod 5 to rotate, the sliding table 7 is displaced towards the Hall element 9, and when the output level of the Hall element 9 changes, the stepping motor 2 stops. The switch button 10 is pressed again, the sliding table 7 moves reversely, the stepping motor 2 stops when the output level of the Hall element 9 changes again, and the interval between two sections of displacement is the normal working interval of the Hall element 9. Through the horizontal range finder, the distance between the two is convenient for record, and the accessible controller carries out the control action, improves measuring accuracy.
Claims (4)
1. An automatic testing system for Hall elements of an electric actuator is characterized by comprising a controller, a motor, a screw rod, a sliding rail, a sliding table, magnetic steel and Hall elements,
the sliding rail is U-shaped, the motor and the Hall element are respectively arranged at two ends of the sliding rail, the motor is slidably connected in the sliding rail through a screw rod driving sliding table, the magnetic steel is arranged on the sliding table, and the controller controls the motor to act;
the motor is controlled to start, stop and turn by the motor;
when the switch button is pressed down, the stepping motor is started to drive the screw rod to rotate, the sliding table is displaced towards the Hall element, and when the output level of the Hall element changes, the stepping motor is stopped; pressing the switch button again, enabling the sliding table to move reversely, stopping the stepping motor when the output level of the Hall element changes again, and enabling the interval between two sections of displacement to be the normal working interval of the Hall element;
still include the horizontal range finder, the horizontal range finder is established on the slip table, the horizontal range finder is used for measuring the distance between magnet steel and the hall element.
2. The automatic test system of an electric actuator hall element of claim 1, wherein the controller comprises a motor drive module for driving the motor and a signal detection module for receiving the hall element signal.
3. The automatic test system of an electric actuator hall element of claim 1 wherein the motor is a stepper motor.
4. An automatic testing system for hall elements of electric actuators according to any one of claims 1-3, wherein the center of the magnetic steel and the center of the hall element are located on the same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711137541.9A CN107741547B (en) | 2017-11-16 | 2017-11-16 | Automatic testing system for Hall element of electric actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711137541.9A CN107741547B (en) | 2017-11-16 | 2017-11-16 | Automatic testing system for Hall element of electric actuating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107741547A CN107741547A (en) | 2018-02-27 |
| CN107741547B true CN107741547B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711137541.9A Active CN107741547B (en) | 2017-11-16 | 2017-11-16 | Automatic testing system for Hall element of electric actuating mechanism |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153673A (en) * | 2014-08-29 | 2014-11-19 | 南京赛梵电气科技有限公司 | Power-driven translation door driving device based on permanent magnet linear motor |
| CN207528830U (en) * | 2017-11-16 | 2018-06-22 | 扬州电力设备修造厂有限公司 | Electric operator Hall element Auto-Test System |
| CN209605841U (en) * | 2019-04-15 | 2019-11-08 | 河南工业大学 | A kind of Hall sensor feature measurement experimental provision |
| CN211012849U (en) * | 2019-06-27 | 2020-07-14 | 张家港恩达通讯科技有限公司 | Automatic test system for electric actuating Hall element |
-
2017
- 2017-11-16 CN CN201711137541.9A patent/CN107741547B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153673A (en) * | 2014-08-29 | 2014-11-19 | 南京赛梵电气科技有限公司 | Power-driven translation door driving device based on permanent magnet linear motor |
| CN207528830U (en) * | 2017-11-16 | 2018-06-22 | 扬州电力设备修造厂有限公司 | Electric operator Hall element Auto-Test System |
| CN209605841U (en) * | 2019-04-15 | 2019-11-08 | 河南工业大学 | A kind of Hall sensor feature measurement experimental provision |
| CN211012849U (en) * | 2019-06-27 | 2020-07-14 | 张家港恩达通讯科技有限公司 | Automatic test system for electric actuating Hall element |
Non-Patent Citations (2)
| Title |
|---|
| 王士湖.用步进电机改进位移式传感器实验系统.《实验室研究与探索》.2014,第73-75页. * |
| 胡承忠.《物理实验指导》.山东大学出版社,2009,第366-368页. * |
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| CN107741547A (en) | 2018-02-27 |
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