CN215344421U - Sanding control circuit - Google Patents
Sanding control circuit Download PDFInfo
- Publication number
- CN215344421U CN215344421U CN202121390457.XU CN202121390457U CN215344421U CN 215344421 U CN215344421 U CN 215344421U CN 202121390457 U CN202121390457 U CN 202121390457U CN 215344421 U CN215344421 U CN 215344421U
- Authority
- CN
- China
- Prior art keywords
- resistor
- control circuit
- motor
- controller
- sanding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a sanding control circuit, comprising: the burr polishing device is connected with the motor; the sampling module comprises a current transformer and a voltage transformer, the current transformer and the voltage transformer are both connected with respective differential filter circuits, the two differential filter circuits are both connected to a sampling chip, and the output end of the sampling chip is connected with the amplifying module; the amplifying module, the AD converter, the controller, the first photoelectric coupler, the motor driver, the second photoelectric coupler and the motor are sequentially connected. By adopting the utility model, the motor required by sanding can be well controlled and adjusted.
Description
Technical Field
The utility model relates to the field of sanding control, in particular to a sanding control circuit.
Background
Sanding is a process in the textile industry, and a short fluff layer is formed on the surface of cloth through the friction action of the cloth, so that the original characteristics are kept, a new style is given to the fabric, and the heat retention property and the softness are increased. The apparatus for sanding a cloth is called a sanding machine. The sanding machine generally comprises a plurality of sanding rollers which run at high speed and provide enough friction to generate fluff on the surface of the cloth by giving certain friction force and tension to the surface of the cloth.
At present, the motor of the sanding machine is not monitored and controlled in the prior art, and the motor of the sanding machine is easy to cause problems and influences the use of users. Accordingly, the present inventors have provided a sanding control circuit to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide a sanding control circuit capable of controlling and adjusting a motor required for sanding well.
Based on this, the present invention provides a sanding control circuit, the circuit comprising:
the burr polishing device is connected with the motor;
the sampling module comprises a current transformer and a voltage transformer, the current transformer and the voltage transformer are both connected with respective differential filter circuits, the two differential filter circuits are both connected to a sampling chip, and the output end of the sampling chip is connected with the amplifying module;
the amplifying module, the AD converter, the controller, the first photoelectric coupler, the motor driver, the second photoelectric coupler and the motor are sequentially connected.
Wherein the amplification module comprises: the circuit comprises a first resistor, a second resistor, a third resistor and a first operational amplifier; one end of the first resistor is grounded, the other end of the first resistor is connected with the inverting input end of the first operational amplifier, the inverting input end of the first operational amplifier is further connected with one end of the second resistor, the other end of the second resistor is connected with the output end of the first operational amplifier, one end of the third resistor is connected with the output end of the sampling chip, and the other end of the third resistor is connected with the non-inverting input end of the first operational amplifier.
Wherein the motor driver includes: a relay circuit and a PWM control circuit; the relay circuit is used for controlling the forward rotation and the reverse rotation of the motor according to the level signal of the controller; and the PWM control circuit is used for controlling the rotating speed of the motor according to the PWM signal of the controller.
The motor driver consists of a stepping motor driving chip with the model number of L6208 and a DDS (direct digital synthesizer).
The circuit further comprises an input module, wherein the input module comprises an infrared receiver connected with the controller and a remote controller with an infrared emission function and used for inputting signals.
Wherein the circuit further comprises: and the disconnection detection circuit is used for detecting whether a power supply line of the motor is disconnected or not, and is connected with the controller.
Wherein the controller includes: a PLC controller.
According to the utility model, the current transformer and the voltage transformer are used for collecting current signals and voltage signals of the motor in a distributed manner, the current signals and the voltage signals are respectively sampled by the sampling chip after being filtered by the differential filter circuit, the sampled voltage signals and the sampled current signals are amplified by the amplifying module and input into the AD converter, the voltage signals and the sampled current signals are converted by the AD converter and input into the controller, the controller controls the motor driver according to the current signals and the voltage signals, the motor driver controls the motor, and the first photoelectric coupler and the second photoelectric coupler are used for electric isolation. By adopting the utility model, the motor required by sanding can be well controlled and adjusted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic circuit diagram of a sanding control circuit according to an embodiment of the present invention;
FIG. 2 is a circuit diagram of a disconnection detection circuit according to an embodiment of the present invention;
fig. 3 is a circuit diagram of an amplifying module according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic circuit diagram of a sanding control circuit provided by an embodiment of the present invention, the circuit including:
the burr polishing device is connected with the motor;
the sampling module 102 comprises a current transformer and a voltage transformer, the current transformer and the voltage transformer are both connected with respective differential filter circuits, the two differential filter circuits are both connected to a sampling chip, and the output end of the sampling chip is connected with the amplifying module 103;
the amplifying module 103, the AD converter 104, the controller 105, the first photocoupler 107, the motor driver 108, the second photocoupler 109, and the motor 110 are sequentially connected.
Wherein the motor driver includes: a relay circuit and a PWM control circuit; the relay circuit is used for controlling the forward rotation and the reverse rotation of the motor according to the level signal of the controller; and the PWM control circuit is used for controlling the rotating speed of the motor according to the PWM signal of the controller.
The burr grinding device is in the prior art.
The relay circuit and the PWM control circuit are in the prior art.
The motor driver consists of a stepping motor driving chip with the model number of L6208 and a DDS (direct digital synthesizer). Where the DDS is used to provide a clock waveform for the L6208 chip. The driving module processes the control signal output by the control module and outputs square wave signals with different duty ratios and different voltages according to different control signals to drive the stepping motor. The driving module is provided with four output interfaces and can drive the four-wire stepping motor.
The circuit further comprises an input module 101, the input module comprises an infrared receiver connected with the controller and a remote controller with an infrared emission function and used for inputting signals, and the operation types comprise the rotation direction, the rotation speed and the step number of the stepping motor.
Fig. 2 is a circuit diagram of a disconnection detection circuit according to an embodiment of the present invention, where the circuit further includes: the disconnection detection circuit 106 is used for detecting whether a power supply line of the motor is disconnected or not, is connected with the controller and comprises a relay J5, a relay J6, a triode Q3 and an optocoupler P7; the input ends of the relay J5 and the relay J6 are respectively connected with a positive voltage end M + and a negative voltage end M-of the motor, the output ends of the relay J5 and the relay J6 are both connected with the controller, the controller is also electrically connected with the base electrode of the triode Q3 through an optocoupler P7, the emitting electrode of the triode Q3 is grounded, and the collecting electrode of the triode Q3 is electrically connected with the control ends of the relay J5 and the relay J6. The controller sends a level signal to the base of the transistor Q3 through the optocoupler P7 to control the opening or closing of the relay J5 and the relay J6 through the transistor Q3.
Wherein the controller includes: and the PLC is used for processing signals which are input by an operator and used for controlling the motor steering, the rotating speed and the step number according to the signals input by the operator, namely the signals sent by the input module, and transmitting the signals to the motor driver according to the requirements input by the operator.
Fig. 3 is a schematic diagram of an amplifying module provided in an embodiment of the present invention, where the amplifying module includes: a first resistor R1, a second resistor R2, a third resistor R3 and a first operational amplifier AR 1; one end of the first resistor R1 is grounded, the other end of the first resistor R1 is connected to the inverting input terminal of the first operational amplifier AR1, the inverting input terminal of the first operational amplifier AR1 is further connected to one end of the second resistor R2, the other end of the second resistor R2 is connected to the output terminal of the first operational amplifier AR1, one end of the third resistor R3 is connected to the output terminal of the sampling chip, and the other end of the third resistor R3 is connected to the non-inverting input terminal of the first operational amplifier AR 1.
According to the utility model, the current transformer and the voltage transformer are used for collecting current signals and voltage signals of the motor in a distributed manner, the current signals and the voltage signals are respectively sampled by the sampling chip after being filtered by the differential filter circuit, the sampled voltage signals and the sampled current signals are amplified by the amplifying module and input into the AD converter, the voltage signals and the sampled current signals are converted by the AD converter and input into the controller, the controller controls the motor driver according to the current signals and the voltage signals, the motor driver controls the motor, and the first photoelectric coupler and the second photoelectric coupler are used for electric isolation. By adopting the utility model, the motor required by sanding can be well controlled and adjusted.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (7)
1. A sanding control circuit, comprising:
the burr polishing device is connected with the motor;
the sampling module comprises a current transformer and a voltage transformer, the current transformer and the voltage transformer are both connected with respective differential filter circuits, the two differential filter circuits are both connected to a sampling chip, and the output end of the sampling chip is connected with the amplifying module;
the amplifying module, the AD converter, the controller, the first photoelectric coupler, the motor driver, the second photoelectric coupler and the motor are sequentially connected.
2. The sanding control circuit of claim 1, wherein the amplification module comprises: the circuit comprises a first resistor, a second resistor, a third resistor and a first operational amplifier; one end of the first resistor is grounded, the other end of the first resistor is connected with the inverting input end of the first operational amplifier, the inverting input end of the first operational amplifier is further connected with one end of the second resistor, the other end of the second resistor is connected with the output end of the first operational amplifier, one end of the third resistor is connected with the output end of the sampling chip, and the other end of the third resistor is connected with the non-inverting input end of the first operational amplifier.
3. The sanding control circuit of claim 1 wherein the motor drive comprises: a relay circuit and a PWM control circuit; the relay circuit is used for controlling the forward rotation and the reverse rotation of the motor according to the level signal of the controller; and the PWM control circuit is used for controlling the rotating speed of the motor according to the PWM signal of the controller.
4. The sanding control circuit of claim 1, wherein the motor driver consists of a stepper motor driver chip model L6208, DDS, direct digital frequency synthesizer.
5. The sanding control circuit of claim 1 further comprising an input module including an infrared receiver connected to the controller and a remote control for inputting signals having infrared transmission capability.
6. The sanding control circuit of claim 1, further comprising: and the disconnection detection circuit is used for detecting whether a power supply line of the motor is disconnected or not, and is connected with the controller.
7. The sanding control circuit of any of claims 1-6, wherein the controller comprises: a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121390457.XU CN215344421U (en) | 2021-06-22 | 2021-06-22 | Sanding control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121390457.XU CN215344421U (en) | 2021-06-22 | 2021-06-22 | Sanding control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215344421U true CN215344421U (en) | 2021-12-28 |
Family
ID=79560262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121390457.XU Active CN215344421U (en) | 2021-06-22 | 2021-06-22 | Sanding control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215344421U (en) |
-
2021
- 2021-06-22 CN CN202121390457.XU patent/CN215344421U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215344421U (en) | Sanding control circuit | |
| CN103684407A (en) | Otg device | |
| JPS61139138A (en) | Transceiver | |
| CN106354681B (en) | Communication system and method for transmitter conditioning chip | |
| CN208158224U (en) | A kind of sampling feedback circuit applied to emergency driving system | |
| CN106695789A (en) | Steering engine mainboard and robot | |
| CN214846324U (en) | AC servo controller | |
| CN214954659U (en) | PLC control circuit of automatic equipment | |
| CN212513410U (en) | Multifunctional test system for rail vehicle sensor | |
| CN104270057A (en) | Series excited machine control system, series excited machine and washing machine | |
| CN1219249C (en) | Mouse/leyboard and revceiver free from battery | |
| CN217238778U (en) | Industrial display screen and system thereof | |
| CN111830314B (en) | Industrial frequency voltage detection circuit based on medium-voltage carrier coupler | |
| CN213717875U (en) | Integrated motor control topological structure | |
| CN204481734U (en) | Intelligent motor controller | |
| CN214474575U (en) | Signal data loading and remote transmission circuit of hot drafting roller | |
| CN216751744U (en) | Half-duplex communication circuit and pond oxygen-increasing machine | |
| CN218829631U (en) | Control circuit based on single live wire power carrier encoding | |
| CN220252414U (en) | PWM signal control panel with timing function | |
| CN212752168U (en) | Motor speed regulating system | |
| CN215393100U (en) | Transferred arc current control circuit | |
| CN103886277B (en) | Bar code data distribution instrument and bar code data distribution system | |
| CN216700291U (en) | Magnetic fluid drive circuit and magnetic fluid drive terminal equipment | |
| CN205792342U (en) | Converter based on live wire communication | |
| CN209860749U (en) | Motor control panel and have motor control panel's motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |