CN211293174U - Stepping motor control experimental device based on PLC and touch screen - Google Patents
Stepping motor control experimental device based on PLC and touch screen Download PDFInfo
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- CN211293174U CN211293174U CN201921980098.6U CN201921980098U CN211293174U CN 211293174 U CN211293174 U CN 211293174U CN 201921980098 U CN201921980098 U CN 201921980098U CN 211293174 U CN211293174 U CN 211293174U
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Abstract
The utility model belongs to the field of electromechanical integration, in particular to a stepping motor control experimental device based on a PLC and a touch screen, each part of the utility model is fixed on a flat rack and arranged in four layers, and the top row is a stepping motor, a shaft coupling, a lead screw-nut pair and a slide block; the second row is a displacement sensor; the third row is a 24V switching power supply, a PLC and a stepping motor driver; the bottom row is the touch screen. When the whole device is in forward control, the displacement sensor is used for detecting the position of the sliding block, and when the whole device is in reverse control, the displacement sensor provides an input signal for the PLC to control the rotation of the stepping motor, so that the sliding block is controlled to track the position of the displacement sensor; the utility model discloses mainly used learns the speed of step motor, the control of position and PLC to analog input and output signal processing's method. The utility model discloses the characteristics of practicality, operation simplicity, openness and security are used to the utensil.
Description
Technical Field
The utility model belongs to mechatronic field, in particular to step motor control experimental apparatus based on PLC and touch-sensitive screen.
Background
The stepping motor is an open-loop control motor which converts an electric pulse signal into angular displacement or linear displacement, is a main executive element in a control system, and is widely applied. In the non-overload condition, the rotation speed and stop position of the motor only depend on the frequency and pulse number of the pulse signal, and are not influenced by the load change, when the stepping driver receives a pulse signal, the stepping driver drives the stepping motor to rotate by a fixed angle in a set direction, namely a stepping angle, and the rotation of the stepping motor is operated by one step at the fixed angle. The angular displacement can be controlled by controlling the number of pulses, so that the aim of accurate positioning is fulfilled; meanwhile, the rotating speed and the rotating acceleration of the motor can be controlled by controlling the pulse frequency, so that the aim of speed regulation is fulfilled. The step motor is an induction motor, and its working principle is that it utilizes electronic circuit to change the direct current into time-sharing power supply, and utilizes multiphase time sequence to control current, and uses said current to supply power for step motor, and the step motor can normally work, and its driver is a multi-phase time sequence controller for time-sharing power supply of step motor.
The control of the stepping motor is very important and very basic for users and designers, and the existing stepping motor control experimental device generally has the following defects:
1. the PLC is mostly integrated with other controls of the PLC, the characteristics are not outstanding enough, the PLC is mostly installed in a black box mode, and the connection and the wiring of each part are invisible;
2. the general stepping motor has no load, and only the rotary motion of the stepping motor can be seen, so that the phenomenon is not obvious enough;
3. the parameters are set and displayed by using an upper computer, so that the operation is complicated, and the displayed information is not visual;
4. without a displacement sensor and a displacement detection function, a processing method of an analog input signal by a PLC and a processing method of an analog output signal by the PLC cannot be learned.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a stepping motor control experimental device based on a PLC and a touch screen, which adopts an open structure design and is mainly used for learning the control method of the speed and the position of a stepping motor; a processing method for studying PLC to analog input signal and PLC to analog output signal, the utility model discloses the utensil is with the characteristics of practicality, operation simplicity, openness and security.
The technical scheme of the utility model:
a stepping motor control experiment device based on a PLC and a touch screen is composed of a lead screw-nut pair, a sliding block, a displacement sensor, the PLC, a stepping motor driver, the touch screen, a flat rack, a 24V switching power supply, a stepping motor and a coupler. The experimental device is provided with a flat rack, other components of the experimental device are all fixed on the flat rack and are arranged in four layers, and the uppermost row is provided with a stepping motor, a coupler, a lead screw-nut pair and a slide block; the second row is a displacement sensor; the third row is sequentially provided with a 24V switching power supply, a PLC and a stepping motor driver; the middle position of the bottom row is the touch screen.
Further, the touch screen is used for setting and displaying; the PLC outputs pulses with different periods and numbers to the stepping motor driver through the Q0.0 of the PLC, and the stepping motor driver subdivides and amplifies the power of the pulses output by the PLC to drive the stepping motor; the stepping motor is connected with the lead screw-nut pair through the coupler, and the lead screw-nut pair 1 converts the rotary motion of the stepping motor into the linear motion of the nut and the sliding block.
Further, when the whole device is in forward control, the displacement sensor is used for detecting the position of the sliding block, and when the whole device is in reverse control, the displacement sensor provides an input signal for the PLC4 to control the rotation of the stepping motor, so that the sliding block is controlled to track the position of the displacement sensor.
Furthermore, the 24V switch power supply provides power for the touch screen, the PLC and the stepping motor driver, and the power supply of the displacement sensor is provided by the sensor power supply of the PLC.
The utility model discloses following beneficial effect has:
the utility model has the characteristics of practicality: the invention can make the operator learn the control method of the speed and the position of the stepping motor, the processing method of the PLC to the analog input and output signals, the logic control method of the PLC, the data processing method, the programming method of the touch screen, and the like.
The utility model has the characteristics of easy operation: the program design of the experimental device is concise and optimized, and for an operator with a PLC and a touch screen base, the control method of the speed and the position of the stepping motor can be mastered within 2 to 3 hours, and the method for processing the analog input signal by the PLC and the method for processing the analog output signal by the PLC are realized.
The utility model has the characteristics of openness: the program of the experimental device is open source, and an operator can develop a new program with more functions and higher functions on the basis of the original program.
The utility model has the characteristics of the security: the experimental device carries out special treatment on the power supply part, and can effectively protect the safety of operators.
Drawings
Fig. 1 is the utility model relates to a step motor control experimental apparatus's structural schematic based on PLC and touch-sensitive screen.
Fig. 2 is the utility model relates to a step motor control experimental apparatus control flow chart based on PLC and touch-sensitive screen.
In the figure, 1 is a screw-nut pair, 2 is a slide block, 3 is a displacement sensor, 4 is a PLC, 5 is a stepping motor driver, 6 is a touch screen, 7 is a flat rack, 8 is a 24V switching power supply, 9 is a stepping motor, and 10 is a coupler.
Detailed Description
In order to make the objects and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 and 2, the embodiment of the utility model provides a step motor control experimental apparatus based on PLC and touch-sensitive screen comprises lead screw-nut pair 1, slider 2, displacement sensor 3, PLC, step motor driver 5, touch-sensitive screen 6, flat rack 7, 24V switching power supply 8, step motor 9, shaft coupling 10. The experimental device is provided with a flat rack 7, other components of the experimental device are all fixed on the flat rack 7 and are arranged in four layers, and the uppermost row is provided with a stepping motor 9, a coupler 10, a lead screw-nut pair 1 and a slide block 2; the second row is the displacement sensor 3; the third row is sequentially provided with a 24V switching power supply 8, a PLC and a stepping motor driver 5; the lowest row of intermediate positions is the touch screen 6.
The touch screen 6 is used for setting and displaying, mainly setting the period of the PTO and the number of the PTO, controlling the running of the stepping motor, mainly displaying the actual number of the PTO, and comparing the actual number with the calculated number to obtain the accuracy of the reverse running of the experimental device; the PLC outputs pulses with different periods and numbers to the stepping motor driver 5 through the Q0.0 of the PLC by using the self-contained PTO function, and the stepping motor driver 5 subdivides and amplifies the power of the pulses output by the PLC to drive the stepping motor 9; the stepping motor 9 is connected with the lead screw-nut pair 1 through the coupler 10, and the lead screw-nut pair 1 converts the rotary motion of the stepping motor 9 into the linear motion of the nut and the sliding block 2.
When whole device is in forward control, displacement sensor 3 is used for detecting the position of slider 2, and when whole device was in reverse control, displacement sensor 3 provided input signal for PLC, controlled step motor 9's rotation to control slider 2 and follow displacement sensor 3's position.
The 24V switch power supply 8 provides power for the touch screen 6, the PLC and the stepping motor driver 5, and the power supply of the displacement sensor 3 is provided by a sensor power supply carried by the PLC.
The model of the main components of the experimental set-up is shown in the following figures.
| Name (R) | Model number |
| PLC | Siemens S7-200 CPU224XP |
| Touch screen | Taida DOP-A57GSTD |
| Stepping motor | 42 stepping motor |
| Step electricityMachine driver | Sanyo ZD-873157 |
| Displacement sensor | KTC-250 |
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a step motor control experimental apparatus based on PLC and touch-sensitive screen which characterized in that: the device comprises a screw-nut pair (1), a sliding block (2), a displacement sensor (3), a PLC (4), a stepping motor driver (5), a touch screen (6), a flat rack (7), a 24V switching power supply (8), a stepping motor (9) and a coupling (10); the experimental device is provided with a flat rack (7), components fixed on the flat rack (7) are arranged in four layers, and the uppermost row is provided with a stepping motor (9), a coupler (10), a lead screw-nut pair (1) and a slide block (2); the second row is a displacement sensor (3); the third row is sequentially provided with a 24V switching power supply (8), a PLC (4) and a stepping motor driver (5); the middle position of the lowest row is a touch screen (6).
2. The stepping motor control experimental device based on the PLC and the touch screen as claimed in claim 1, wherein: the touch screen (6) is used for setting and displaying; the PLC (4) outputs pulses with different periods and numbers to the stepping motor driver (5) through the Q0.0 of the PLC, and the stepping motor driver (5) subdivides and amplifies the power of the pulses output by the PLC (4) to drive the stepping motor (9); the stepping motor (9) is connected with the screw-nut pair (1) through the coupler (10), and the screw-nut pair (1) converts the rotary motion of the stepping motor (9) into the linear motion of the nut and the sliding block (2).
3. The stepping motor control experimental device based on the PLC and the touch screen as claimed in claim 1, wherein: the whole device is in forward control, the displacement sensor (3) is used for detecting the position of the sliding block (2), the whole device is in reverse control, the displacement sensor (3) provides an input signal for the PLC (4) and controls the rotation of the stepping motor (9), and therefore the sliding block (2) is controlled to track the position of the displacement sensor (3).
4. The stepping motor control experimental device based on the PLC and the touch screen as claimed in claim 1, wherein: the 24V switch power supply (8) provides power for the touch screen (6), the PLC (4) and the stepping motor driver (5), and the power supply of the displacement sensor (3) is provided by the sensor power supply of the PLC (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921980098.6U CN211293174U (en) | 2019-11-16 | 2019-11-16 | Stepping motor control experimental device based on PLC and touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921980098.6U CN211293174U (en) | 2019-11-16 | 2019-11-16 | Stepping motor control experimental device based on PLC and touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211293174U true CN211293174U (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921980098.6U Expired - Fee Related CN211293174U (en) | 2019-11-16 | 2019-11-16 | Stepping motor control experimental device based on PLC and touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211293174U (en) |
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2019
- 2019-11-16 CN CN201921980098.6U patent/CN211293174U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 Termination date: 20211116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |