CN202872713U - Direct-current motor speed regulation system with wireless remote control function - Google Patents

Direct-current motor speed regulation system with wireless remote control function Download PDF

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Publication number
CN202872713U
CN202872713U CN2012205164983U CN201220516498U CN202872713U CN 202872713 U CN202872713 U CN 202872713U CN 2012205164983 U CN2012205164983 U CN 2012205164983U CN 201220516498 U CN201220516498 U CN 201220516498U CN 202872713 U CN202872713 U CN 202872713U
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CN
China
Prior art keywords
speed
speed regulation
control
chip microcomputer
input
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.)
Expired - Fee Related
Application number
CN2012205164983U
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Chinese (zh)
Inventor
王燕
郝迎吉
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Xian University of Science and Technology
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Xian University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xian University of Science and Technology filed Critical Xian University of Science and Technology
Priority to CN2012205164983U priority Critical patent/CN202872713U/en
Application granted granted Critical
Publication of CN202872713U publication Critical patent/CN202872713U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a direct-current motor speed regulation system with wireless remote control function. The system comprises a direct-current motor, a single chip microcomputer, a manual speed regulation module, a remote control speed regulation module, a PWM speed regulation driving module and a speed acquisition circuit, wherein speed regulation output signals of the manual speed regulation module and the remote control speed regulation module are respectively transmitted to a manual speed regulation input end and a remote control speed regulation input end of the single chip microcomputer, a PWM speed regulation output end of the single chip microcomputer is connected to a rotation speed control input end of the direct-current motor through the PWM speed regulation driving module, and a rotation speed control output end of the direct-current motor is connected back to a motor rotation speed control input end of the single chip microcomputer through the speed acquisition circuit. The system is provided with two sets of speed regulation command inputs including remote control input and manual input, adopts a closed-loop PWM speed regulation mode, has the characteristics of high reliability, good low speed regulation performance, high power and low power consumption, and is suitable for speed regulation on middle/small-power direct-current motors requiring remote control speed regulation and closed-loop speed regulation.

Description

The dc motor speed drive system of wireless remote control
Technical field
The utility model belongs to the electric machine control system technical field, relates to a kind of dc motor speed drive system of wireless remote control, product need to be applicable to remote-control speed-regulation, closed-loop drive in, the small power DC electric machine speed regulation.
Background technology
At present, utilize PWM (Pulse Width Modulator) variable voltage control technology to realize that DC motor speed-regulating is widely used in this area, its advantage is that the energy work rate of power supply can be fully used, electric efficiency high.But up to now, most direct current machines also all are to adopt manual control mode to carry out the PWM variable voltage control, and the DC micromotor of only using at some remote-control toys or microrobot just can adopt the PWM variable voltage control of remote control design.The problem that faces is: for those were applied to direct current machine in the high-risk and inconvenient manual operation occasion of high temperature, it is both unreliable that the mode of single employing manual governing just seems, also very inconvenience.
The utility model content
The purpose of this utility model is the problem that prior art exists is solved, provide a kind of rational in infrastructure, easy to operate, both can realize that portable remote adjusted the dc motor speed drive system that motor speed and turning function have also kept the wireless remote control of manual adjustment function.
The technical solution that adopts for achieving the above object is such: the dc motor speed drive system of the wireless remote control that provides is by direct current machine, single-chip microcomputer, the manual governing module, the remote-control speed-regulation module, PWM speed governing driver module, the speed acquisition the electric circuit constitute, manual governing module and remote-control speed-regulation module speed governing output signal pass to respectively manual governing input and the remote-control speed-regulation input of single-chip microcomputer, the PWM speed governing output of single-chip microcomputer is connected to the rotating speed control input end of direct current machine through PWM speed governing driver module, and the tach signal output of direct current machine is through the motor speed signal input of speed acquisition circuit tieback to single-chip microcomputer.
In above-mentioned technical solution, said remote-control speed-regulation module forms by radio transmitter with the wireless receiving circuit of radio transmitter communication connection, and the output signal of wireless receiving circuit passes to the remote-control speed-regulation input of single-chip microcomputer; Said PWM speed governing driver module is comprised of photoelectric isolating circuit, motor M OSFET drive circuit, and the PWM speed governing output of single-chip microcomputer is connected to the rotating speed control input end of direct current machine (M) successively behind photoelectric isolating circuit and motor M OSFET drive circuit.
In above-mentioned technical solution, said motor M OSFET drive circuit adopts many MOSFET power tube parallel driver circuit.
In the real work, the portable remote module is passed through with the wireless input main control singlechip of speed-regulating instruction system near the optional position of operator controlled device, Single Chip Microcomputer (SCM) system is according to the less radio-frequency speed-regulating instruction output different duty PWM ripple that receives, and make it to be loaded on described PWM speed governing driver module, the PWM ripple drives through photoelectricity isolation, many MOSFET power tube, the control direct current machine gets electric, dead electricity, and then by utilize PWM mode regulating electric machine to accelerate, slow down, turn to and power output to provisioning request, reach the purpose to direct current machine remote control variable voltage control.Both design the remote control transmission circuit in the utility model circuit, also kept the manual control function that can realize the manual adjustments motor speed, improved the reliability of system.
Compared with prior art, the advantage that the utlity model has is as described below.
1, direct current machine drives many MOFET power tube parallel drive mode that adopts in this system.It is fast that the MOSFET pipe has switching speed, and the characteristics such as conducting resistance is low, easy parallel connection can be used in the parallel connection of relatively high power application scenario, and volume is little, low in energy consumption, and driving force is strong, and current-sharing is effective.
2, DC motor speed-regulating adopts closed loop PWM ripple speed adjusting technique (to utilize its closed-loop control characteristic automatic regulation output characteristic when load variations in this system, realize the constant revolution of direct current machine), single-chip microcomputer output PWM ripple, pure software is realized variable voltage control, have speed-regulating range width, low speed is good, switching frequency is high, low in energy consumption, response is fast, it is simple to realize, adjust the advantages such as flexible, during many MOSFET power tube parallel drive has also been realized, the small power DC electric machine speed regulation.
3, this system possesses the remote control input and manually inputs two cover speed-regulating instruction input modes.Wireless input speed-regulating instruction can be realized short distance remote control adjustment dc motor speed and turn to that the manual governing input can realize the manual adjustments motor speed, and reliability is high.
Description of drawings
Accompanying drawing is system architecture diagram of the present utility model.
Embodiment
Below with reference to accompanying drawing the utility model content is described further, but actual fabrication structure of the present utility model is not limited in following embodiment.
Referring to accompanying drawing, the dc motor speed drive system of wireless remote control described in the utility model includes power module, (master control) single-chip microcomputer, remote-control speed-regulation modules A, PWM speed governing driver module B, manual (electrodeless) speed adjusting module, speed acquisition circuit, direct current machine M, wherein the remote-control speed-regulation modules A is comprised of radio transmitter and wireless receiving circuit, PWM speed governing driver module B is comprised of photoelectric isolating circuit, motor M OSFET drive circuit, and said motor M OSFET drive circuit adopts many MOSFET power tube parallel driver circuit.In the real work, the operator can be by the remote-control speed-regulation modules A with the wireless input main control singlechip of speed-regulating instruction, single-chip microcomputer is according to speed-regulating instruction output different duty PWM ripple, be loaded on described PWM speed governing driver module, the PWM ripple is through photoelectricity isolation, many MOSFET power drive, control electric, the dead electricity that gets of direct current machine, reach the purpose of direct current machine variable voltage control.The utility model has remote control input and manually input two cover speed-regulating instruction inputs, adopt closed loop PWM mode of speed regulation, the characteristics such as have reliability high, low speed good speed adjustment features, power is large, power consumption is little, need to be applicable to remote-control speed-regulation, closed-loop drive in, the small power DC electric machine speed regulation.
In implementation structure of the present utility model, single-chip microcomputer can adopt the ATMEGA48 single-chip microcomputer, it is the device of J04U that the remote-control speed-regulation modules A can adopt model, the manual governing module can adopt 5K slide-changing resistor device, motor M OSFET drive circuit among the PWM speed governing driver module B can adopt a plurality of HM4440 devices in parallel, be used for the direct current machine power drive, photoelectric isolating circuit can adopt the MC1413 device, and the speed acquisition circuit can adopt Hall element.

Claims (4)

1. the dc motor speed drive system of a wireless remote control, it is characterized in that: it is by direct current machine (M), single-chip microcomputer, the manual governing module, remote-control speed-regulation module (A), PWM speed governing driver module (B), the speed acquisition the electric circuit constitute, manual governing module and remote-control speed-regulation module (A) speed governing output signal pass to respectively manual governing input and the remote-control speed-regulation input of single-chip microcomputer, the PWM speed governing output of single-chip microcomputer is connected to the rotating speed control input end of direct current machine (M) through PWM speed governing driver module (B), and the tach signal output of direct current machine (M) is through the motor speed signal input of speed acquisition circuit tieback to single-chip microcomputer.
2. the dc motor speed drive system of wireless remote control according to claim 1, it is characterized in that: remote-control speed-regulation module (A) forms by radio transmitter with the wireless receiving circuit of radio transmitter communication connection, and the output signal of wireless receiving circuit passes to the remote-control speed-regulation input of single-chip microcomputer.
3. the dc motor speed drive system of wireless remote control according to claim 1, it is characterized in that: PWM speed governing driver module (B) is comprised of photoelectric isolating circuit, motor M OSFET drive circuit, and the PWM speed governing output of single-chip microcomputer is connected to the rotating speed control input end of direct current machine (M) successively behind photoelectric isolating circuit and motor M OSFET drive circuit.
4. the dc motor speed drive system of wireless remote control according to claim 3, it is characterized in that: motor M OSFET drive circuit adopts many MOSFET power tube parallel driver circuit.
CN2012205164983U 2012-10-09 2012-10-09 Direct-current motor speed regulation system with wireless remote control function Expired - Fee Related CN202872713U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012205164983U CN202872713U (en) 2012-10-09 2012-10-09 Direct-current motor speed regulation system with wireless remote control function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012205164983U CN202872713U (en) 2012-10-09 2012-10-09 Direct-current motor speed regulation system with wireless remote control function

Publications (1)

Publication Number Publication Date
CN202872713U true CN202872713U (en) 2013-04-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012205164983U Expired - Fee Related CN202872713U (en) 2012-10-09 2012-10-09 Direct-current motor speed regulation system with wireless remote control function

Country Status (1)

Country Link
CN (1) CN202872713U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102916639A (en) * 2012-11-06 2013-02-06 苏州工业园区华锐装饰工程有限公司 Pulse width modulation speed regulation circuit for motor
CN106981953A (en) * 2017-05-03 2017-07-25 南通长江电器实业有限公司 A kind of clarifier motor of achievable wireless remote control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102916639A (en) * 2012-11-06 2013-02-06 苏州工业园区华锐装饰工程有限公司 Pulse width modulation speed regulation circuit for motor
CN106981953A (en) * 2017-05-03 2017-07-25 南通长江电器实业有限公司 A kind of clarifier motor of achievable wireless remote control

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130410

Termination date: 20131009

C17 Cessation of patent right