Control module of stepping motor

Abstract

The utility model discloses a control module of a stepping motor, which comprises a stepping motor shell main body, a driver and a controller, two sides of the stepping motor shell main body are respectively connected with a top cover and a bottom cover, the top cover and the bottom cover are connected with the stepping motor shell main body through bolts, a stator is connected in the stepping motor shell main body, and the controller is connected with the driver. The center of the top cover is connected with an output shaft, the output shaft is connected to one end of the rotor, the driver is connected to one side of the stepping motor shell body, one side of the driver is connected with a power supply connecting interface, and the controller is connected to the side, close to the output shaft, of the driver. A control display screen is arranged on the side, away from the stepping motor shell body, of the controller, a wireless control interface is connected to the side, away from the driver, of the controller, the rotating speed, current and the like of the stepping motor can be detected in real time, the stepping motor can be remotely controlled through a control module, and operation of the stepping motor is more accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of stepper motors, in particular to a control module of a stepper motor. Background Art

[0002] A stepper motor is an electric motor that converts electrical pulse signals into corresponding angular displacement or linear displacement. For each input pulse signal, the rotor rotates an angle or moves forward one step. The output angular displacement or linear displacement is proportional to the number of input pulses, and the rotation speed is proportional to the pulse frequency.

[0003] The patent application number CN201010221213.9 retrieved proposes a PM type stepping motor for moving an optical pickup lens of a camera or media-related device, and the stepping motor can be freely applied to peripheral device modules of various outer diameters using a ring member.

[0004] Similar to the above-mentioned PM-type stepper motor used for the optical pickup lens of a mobile camera or media-related equipment, although it can be freely applied to peripheral device modules of various outer diameters using a ring component, its control of the stepper motor requires connection to an external control module, so that the stepper motor is mostly restricted by the control module when in use.

[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and a control module of a stepping motor is proposed, in order to achieve a purpose with more practical value. Utility Model Content

[0006] The purpose of the utility model is to provide a control module for a stepper motor to solve the problem that a PM type stepper motor used for moving the optical pickup lens of a camera or media-related device in the above background needs to be connected to an external control module for controlling the stepper motor, so that the stepper motor is often restricted by the control module when in use.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a control module of a stepper motor, comprising a stepper motor housing body, a driver and a controller, the two sides of the stepper motor housing body are respectively connected with a top cover and a bottom cover, and the top cover and the bottom cover are connected to the stepper motor housing body by bolts, a stator is connected inside the stepper motor housing body, and a rotor is connected inside the stator, an output shaft is connected to the center position of the top cover, and the output shaft is connected to one end of the rotor, the driver is connected to one side of the stepper motor housing body, and a power connection interface is connected to one side of the driver, the controller is connected to a side of the driver close to the output shaft, and a control display screen is provided on a side of the controller away from the stepper motor housing body, and a wireless control interface is connected to the side of the controller away from the driver.

[0008] Preferably, a connecting bearing is provided at the connection between the output shaft and the top cover, a mounting connecting block is connected to the side of the rotor away from the output shaft, and a mounting bearing is connected to the side of the mounting connecting block away from the rotor.

[0009] Preferably, a mounting hole is provided in the bottom cover, and the mounting bearing is engaged with the mounting hole, a connecting wheel is sleeved on the mounting connection block, and a plurality of detection resistors with different resistance values ​​are provided on the connecting wheel.

[0010] Preferably, an angular displacement sensor is connected to the inner wall of the bottom cover, and the angular displacement sensor is perpendicular to the connecting wheel, a wiring block is provided at the connection position between the driver and the stepper motor housing body and the bottom cover, and the wiring block is connected to the angular displacement sensor.

[0011] Preferably, a pulse signal plug-in block, a direction signal plug-in block and an enable signal plug-in block are respectively provided on one side of the driver close to the controller, and a pulse signal interface, a direction signal interface and an enable signal interface are respectively provided on one side of the controller close to the driver.

[0012] Preferably, multiple groups of induction coils are arranged on the inner side of the stator, and the multiple groups of induction coils are all connected to the wiring block, and the pulse signal plug-in block, the direction signal plug-in block and the enable signal plug-in block are respectively plug-connected to the pulse signal interface, the direction signal interface and the enable signal interface.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the speed and current of the stepper motor can be detected in real time, and the stepper motor can be remotely controlled through the control module, so that the operation of the stepper motor is more accurate. The specific contents are as follows:

[0014] During the operation of the stepper motor, the controller can be connected to the remote control device through a wireless control interface, and the driver controls the direction of the rotor by controlling the current flowing to the induction coil, and the rotor drives the output shaft to rotate. During the rotation of the rotor, the connecting wheel installed on the connecting block is driven to rotate. At the same time, during the rotation of the connecting wheel, the detection resistor rotates with the connecting wheel, and the angular displacement sensor feeds back the speed and direction of rotation of the stepper motor by detecting the detection resistor. The driver transmits pulse signals through the pulse signal plug-in block, and can transmit direction information through the direction signal plug-in block, and can also control the opening and closing of the driver through the enable signal plug-in block. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the main body of the utility model;

[0016] Figure 2 It is a schematic structural diagram of the cross section of the utility model;

[0017] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the rotor of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the driver of the utility model.

[0020] In the figure: 1. stepper motor housing body; 11. stator; 111. induction coil; 12. rotor; 121. installation connection block; 122. installation bearing; 123. connection wheel; 124. detection resistor; 2. top cover; 3. bottom cover; 31. installation hole; 32. angular displacement sensor; 4. output shaft; 41. connection bearing; 5. driver; 51. wiring block; 52. power connection interface; 53. pulse signal plug-in block; 54. direction signal plug-in block; 55. enable signal plug-in block; 6. controller; 61. control display screen; 62. pulse signal interface; 63. direction signal interface; 64. enable signal interface; 65. wireless control interface. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 5 The utility model provides a technical solution: a control module of a stepper motor, comprising a stepper motor housing body 1, a driver 5 and a controller 6, the two sides of the stepper motor housing body 1 are respectively connected with a top cover 2 and a bottom cover 3, and the top cover 2 and the bottom cover 3 are connected to the stepper motor housing body 1 by bolts, a stator 11 is connected inside the stepper motor housing body 1, and a rotor 12 is connected inside the stator 11, an output shaft 4 is connected to the center position of the top cover 2, and the output shaft 4 is connected to one end of the rotor 12, the driver 5 is connected to one side of the stepper motor housing body 1, and a power connection interface 52 is connected to one side of the driver 5, the controller 6 is connected to a side of the driver 5 close to the output shaft 4, and a control display screen 61 is provided on a side of the controller 6 away from the stepper motor housing body 1, and a wireless control interface 65 is connected to the side of the controller 6 away from the driver 5.

[0023] The stator 11 and rotor 12 of the stepper motor are installed and connected in the stepper motor housing body 1, and the stepper motor housing body 1 can be installed and disassembled through the top cover 2 and the bottom cover 3, and the stator 11 is connected in the rotor 12, and the output shaft 4 is driven by the rotor 12 to rotate, and the stepper motor can monitor and drive the movement of the stepper motor through the driver 5, and the driver 5 can be connected to the power supply through the power connection interface 52, and the driver 5 is controlled and driven by the controller 6, and the information fed back by the driver 5 is displayed by the control display screen 61, and the controller 6 can be connected to the remote control device through the wireless control interface 65.

[0024] A connecting bearing 41 is provided at the connection between the output shaft 4 and the top cover 2, a mounting connection block 121 is connected to the side of the rotor 12 away from the output shaft 4, and a mounting bearing 122 is connected to the side of the mounting connection block 121 away from the rotor 12, a mounting hole 31 is provided in the bottom cover 3, and the mounting bearing 122 and the mounting hole 31 are interlocked with each other, a connecting wheel 123 is sleeved on the mounting connection block 121, and a plurality of detection resistors 124 with different resistance values ​​are provided on the connecting wheel 123, an angular displacement sensor 32 is connected to the inner wall of the bottom cover 3, and the angular displacement sensor 32 is perpendicular to the connecting wheel 123, and the driver 5 is connected to the stepper motor housing body 1 A wiring block 51 is provided at the connection portion with the bottom cover 3, and the wiring block 51 is connected to the angular displacement sensor 32. The output shaft 4 is connected to the top cover 2 through the connecting bearing 41. The rotor 12 is installed and connected in the mounting hole 31 of the bottom cover 3 through the mounting connecting block 121 and the mounting bearing 122. When the rotor 12 rotates, the connecting wheel 123 on the mounting connecting block 121 is driven to rotate. At the same time, when the connecting wheel 123 rotates, the detection resistor 124 rotates following the connecting wheel 123, and the angular displacement sensor 32 detects the detection resistor 124 to feedback the speed and rotation direction of the stepping motor.

[0025] The driver 5 is provided with a pulse signal plug-in block 53, a direction signal plug-in block 54 and an enable signal plug-in block 55 on one side close to the controller 6, and the controller 6 is provided with a pulse signal interface 62, a direction signal interface 63 and an enable signal interface 63 on one side close to the driver 5. A plurality of groups of induction coils 111 are provided on the inner side of the stator 11, and the plurality of groups of induction coils 111 are all connected to the wiring block 51, and the pulse signal plug-in block 53, the direction signal plug-in block 54 and the enable signal plug-in block 55 are connected to the pulse signal interface 62, the direction signal interface 63 and the enable signal interface 63 respectively. The signal interface 63 is plug-in connected, and the driver 5 controls the direction of the rotor 12 by controlling the current passing to the induction coil 111. The driver 5 and the controller 6 are plug-in connected to the pulse signal interface 62, the direction signal interface 63 and the enable signal interface 63 through the pulse signal plug-in block 53, the direction signal plug-in block 54 and the enable signal plug-in block 55 respectively, and the driver 5 transmits the pulse signal through the pulse signal plug-in block 53, and can transmit the direction information through the direction signal plug-in block 54, and can also control the opening and closing of the driver 5 through the enable signal plug-in block 55.

[0026] Working principle: When using a control module of a stepper motor, first, the stepper motor housing body 1 can be installed and disassembled through the top cover 2 and the bottom cover 3, and the stator 11 and the rotor 12 of the stepper motor are installed and connected in the stepper motor housing body 1, the output shaft 4 is connected to the top cover 2 through the connecting bearing 41, the rotor 12 is installed and connected in the mounting hole 31 of the bottom cover 3 through the mounting connecting block 121 and the mounting bearing 122, and the driver 5 can be connected to the power supply through the power connection interface 52, and the driver 5 and the controller 6 are respectively plugged and connected to the pulse signal interface 62, the direction signal interface 63 and the enable signal interface 63 through the pulse signal plug block 53, the direction signal plug block 54 and the enable signal plug block 55.

[0027] During the operation of the stepper motor, the controller 6 can be connected to the remote control device through the wireless control interface 65, and the driver 5 controls the direction of the rotor 12 by controlling the current passing to the induction coil 111, and the rotor 12 drives the output shaft 4 to rotate. In the process of rotation of the rotor 12, the connecting wheel 123 installed on the connecting block 121 is driven to rotate. At the same time, in the process of rotation of the connecting wheel 123, the detection resistor 124 rotates following the connecting wheel 123, and the angular displacement sensor 32 feeds back the speed and rotation direction of the stepper motor by detecting the detection resistor 124. The driver 5 transmits the pulse signal through the pulse signal plug-in block 53, and can transmit the direction information through the direction signal plug-in block 54, and can also control the opening and closing of the driver 5 through the enable signal plug-in block 55.

Claims

1. A control module for a stepper motor, comprising a stepper motor housing body (1), a driver (5) and a controller (6), characterized in that: The two sides of the stepper motor housing body (1) are respectively connected to a top cover (2) and a bottom cover (3), and the top cover (2) and the bottom cover (3) are connected to the stepper motor housing body (1) by bolts. The stator (11) is connected inside the stepper motor housing body (1), and the inside of the stator (11) is connected to a rotor (12). The center position of the top cover (2) is connected to an output shaft (4), and the output shaft (4) is connected to one end of the rotor (12). The driver (5) is connected to one side of the stepper motor housing body (1), and one side of the driver (5) is connected to a power connection interface (52). The controller (6) is connected to a side of the driver (5) close to the output shaft (4), and a control display screen (61) is provided on a side of the controller (6) away from the stepper motor housing body (1), and a wireless control interface (65) is connected to a side of the controller (6) away from the driver (5).

2. A stepper motor control module according to claim 1, characterized in that: A connecting bearing (41) is provided at the connection between the output shaft (4) and the top cover (2); a side of the rotor (12) away from the output shaft (4) is connected to a mounting connecting block (121); and a side of the mounting connecting block (121) away from the rotor (12) is connected to a mounting bearing (122).

3. A stepper motor control module according to claim 2, characterized in that: The bottom cover (3) is provided with a mounting hole (31), and the mounting bearing (122) is interlocked with the mounting hole (31); a connecting wheel (123) is sleeved on the mounting connection block (121), and a plurality of detection resistors (124) with different resistance values ​​are provided on the connecting wheel (123).

4. A stepper motor control module according to claim 3, characterized in that: An angular displacement sensor (32) is connected to the inner wall of the bottom cover (3), and the angular displacement sensor (32) is perpendicular to the connecting wheel (123). A wiring block (51) is provided at the connection portion between the driver (5) and the stepper motor housing body (1) and the bottom cover (3), and the wiring block (51) is connected to the angular displacement sensor (32).

5. The stepper motor control module according to claim 1, characterized in that: A pulse signal plug-in block (53), a direction signal plug-in block (54) and an enable signal plug-in block (55) are respectively arranged on one side of the driver (5) close to the controller (6), and a pulse signal interface (62), a direction signal interface (63) and an enable signal interface (64) are respectively arranged on one side of the controller (6) close to the driver (5).

6. A stepper motor control module according to claim 5, characterized in that: A plurality of groups of induction coils (111) are arranged on the inner side of the stator (11), and the plurality of groups of induction coils (111) are all connected to the wiring block (51), and the pulse signal plug-in block (53), the direction signal plug-in block (54), and the enable signal plug-in block (55) are plug-connected to the pulse signal interface (62), the direction signal interface (63), and the enable signal interface (64), respectively.

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