CN206947933U - A kind of motor control assembly for being used to detect stall - Google Patents
A kind of motor control assembly for being used to detect stall Download PDFInfo
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- CN206947933U CN206947933U CN201720830433.9U CN201720830433U CN206947933U CN 206947933 U CN206947933 U CN 206947933U CN 201720830433 U CN201720830433 U CN 201720830433U CN 206947933 U CN206947933 U CN 206947933U
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- Prior art keywords
- motor
- control module
- control assembly
- stall
- control
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Abstract
It the utility model is related to numerial code spray drawing equipment technical field, and in particular to a kind of motor control assembly for being used to detect stall.A kind of motor control assembly for being used to detect stall, it is used to clean the scraper of spray head of spray-painting equipment and uses DC motor Driver, operating path end is provided with limit sensors, its link control module, control module output pwm signal is to motor-drive circuit, and from its sampled feedback signal come judge output umber of pulse it is whether consistent with the umber of pulse of actual motion, with this judge motor whether stall, and whether it is triggered in setting time by limit sensors and judges whether scraper reaches correct position, otherwise motor rotation blockage is then judged, control module connection SR is used to run the reset motor fixed a breakdown, it is also connected with an alarm button, for in motor rotation blockage alarm.The utility model effectively protects motor, adds the stability and security of sprayer cleaning operation.
Description
Technical field
It the utility model is related to numerial code spray drawing equipment technical field, and in particular to a kind of motor control for being used to detect stall
Device.
Background technology
When conventional art carries out sprayer cleaning to digital spray drawing apparatus, in order to reduce cost, generally use direct current generator adds
The mode of limit sensors controls scraping blade to scrape shower nozzle to carry out cleaning sprayer.On the machine of part low cost, due to machine
The device accuracy of manufacture is inadequate, scrape the frequent stall of motor, and the protection to motor do it is inadequate, motor generation stall when, it is impossible to
Automatic cut-off motor power supply, causes motor damage.Part machine can automatically cut off power supply, but lack the positioning and warning to failure
Function, cause the increase of manpower intervention maintenance difficulties.Part Control card using current sample, to monitor motor, whether go forward side by side by stall
Row protection sends alarm, but the structural circuit is complex, and required precision is high, greatly increases board area, causes cost to occupy high
Under not.
Utility model content
The technical problems to be solved in the utility model is to be directed to above-mentioned the deficiencies in the prior art, there is provided one kind is stifled for detecting
The motor control assembly turned.
The utility model realizes that the technical scheme of above-mentioned purpose is：A kind of motor control assembly for being used to detect stall, bag
The scraper for cleaning spray head of spray-painting equipment is included, scraper carries out scraping cleaning after being driven by a motor to shower nozzle, and its feature exists
In the motor uses a direct current generator, and the motor-drive circuit connection one of the motor is used for the control of controlled motor operation
Molding block, the control module is using a control module with pwm control signal output function, the input of motor-drive circuit
End is connected with the output end of the control module, to lead to the input of motor output pwm signal, the motor-drive circuit
Cross an optocoupler and connect back to the control module, and be connected with the input of control module, it is anti-to be carried out to the pwm signal of motor
Feedback sampling, by comparing the feedback signal of sampling and the pwm signal of output, judge whether motor occurs stall phenomenon, the control
Molding block is also connected with a limit sensors, for detecting the limit signal for the scraping blade for cleaning shower nozzle and sending control module to, institute
The operating path end that limit sensors are arranged at the scraper is stated, when stall occurs for motor, can not be driven within a certain period of time
Dynamic scraper is run to limit sensors, i.e., now, limit sensors can not be triggered within the time, now be judged as motor
Stall, the control module connect an alarm device, and drive and control alarm device work；
The control module connects a SR, for receiving the reset motor request signal manually sent, is made with this
To restart the signal of electric machine operation state.
The utility model provides the driving control signal of motor by the control module with pwm signal output function, and
After coordinating optocoupler to sample the PWM feedback signal of motor, the umber of pulse exported by control module and the feedback detected
Umber of pulse is compared, and judges whether motor occurs stall phenomenon with this, when the umber of pulse of feedback is less than the umber of pulse of output
When, that is, it is judged as that stall occurs for motor, after now control module cut-out motor power supply, sends alarm, request manpower intervention excludes
Problem.Equipment overall structure of the present utility model is compact simple, can be substantially reduced small product size, reduces exploitation and is manufactured into
This.
Timing unit and counting unit are provided with the control module, the timing unit is used for the run time to motor
Timing is carried out, the counting unit is used to count to the umber of pulse of motor to exporting.
The control module uses single-chip microcomputer, and the single-chip microcomputer uses the single-chip microcomputer with pwm signal output function.It is logical
Cross to after mcu programming, making single-chip microcomputer possess the function of output pwm signal, to the tally function of motor pulses number and to motor
The clocking capability of run time.
Preferably, the control module uses 8 single-chip microcomputers.8 single-chip microcomputers can meet of the present utility model to use need
Ask, it is easier to purchase, and price is cheap, meets that of the present utility model promote requires.
The motor-drive circuit uses a motor drive ic with overcurrent protection function, it is preferred to use L6205 drives
Chip.L6205 is a bi-motor full bridge driver, and it combines isolated DMOS and CMOS and bipolar circuit power transistor
In same chip, the logic circuit of optimization and power stage reach optimal performance.
The alarm device uses buzzer, loudspeaker or audible-visual annunciator.
Preferably, the alarm device uses buzzer.
The SR uses a both hands button, operating personnel's maloperation occurs during to avoid artificial troubleshooting, using double
Hand button avoids that security incident occurs during singlehanded operation.
It is using beneficial effect caused by above-mentioned technical proposal：The utility model solves existing inexpensive spray drawing machine
Shower nozzle scrapes the defects of Control card can not protect motor in motor rotation blockage and position failure, effectively protects motor, increases
The stability and security of sprayer cleaning operation.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of open embodiment of the present utility model, below to open embodiment or phase
The required accompanying drawing used is briefly described in the technology description of pass, it should be apparent that, following accompanying drawings only relate to the one of the disclosure
A little embodiments, not to the limitation of the disclosure.
Fig. 1 is connection diagram of the present utility model.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
The technical scheme of type is clearly and completely illustrated.It will be apparent that following embodiments only belong to a part of the present utility model
Embodiment, whole embodiments not of the present utility model.Based on following embodiments of the present utility model, ordinary skill
The every other embodiment that personnel are obtained on the premise of without creative work, belong to the model of the utility model protection
Enclose.
Unless otherwise defined, technical term used in the disclosure or scientific terminology should be belonging to the utility model and led
The ordinary meaning that the personage with general technical ability is understood in domain.The utility model patent application specification and claims
Middle " first " used, " second " and similar word are not offered as any order, quantity or importance, are used only as distinguishing
Different parts.Likewise, the similar term such as "one" or " one " does not indicate that quantity limits yet, but represent exist extremely
It is few one." connection " either the similar term such as " connected " is not limited to physics or mechanical connection, but can include
Electrical connection, no matter its be connected as it is direct or indirect.
Reference picture 1, a kind of motor control assembly for being used to detect stall, including for cleaning scraping for spray head of spray-painting equipment
Knife, scraper to shower nozzle by carrying out scraping cleaning after a DC motor Driver, and the connection of motor-drive circuit 2 one of motor is used for
The control module 1 of controlled motor operation, control module 1 is using a control module with pwm control signal output function, control
Timing unit and counting unit are provided with module, timing unit is used to carry out the run time of motor timing, and counting unit is used
Counted in exporting to the umber of pulse of motor.Preferably, control module uses 8 single-chip microcomputers.By to mcu programming
Afterwards, single-chip microcomputer is made to possess the function of output pwm signal, to the tally function of motor operation umber of pulse and to motor operating time
Clocking capability.The input of motor-drive circuit 2 is connected with the output end of control module 1, so as to motor output pwm signal,
The input of motor-drive circuit 2 connects back to control module 1 by an optocoupler 3, and is connected with the input of control module 1, with
Just feedback sample is carried out to the pwm signal of motor, by comparing the feedback signal of sampling and the pwm signal of output, judges motor
Whether stall phenomenon is occurred, and control module 1 is also connected with a limit sensors 4, the spacing letter of the scraping blade for detecting cleaning shower nozzle
Number and send control module 1 to, limit sensors 4 are arranged at the operating path end of scraper, when motor occur stall when, can not
Driving scraper is run to limit sensors 4 within a certain period of time, i.e., now, limit sensors 4 can not be touched within the time
Hair, now it is judged as motor rotation blockage, control module 1 connects an alarm device 5, and drives and control alarm device 5 to work；Control
Module 1 connects a SR 6, for receiving the reset motor request signal manually sent, is worked in this, as motor is restarted
The signal of state.SR 6 uses a both hands button, operating personnel's maloperation occurs during to avoid artificial troubleshooting, using double
Hand button avoids that security incident occurs during singlehanded operation.Motor-drive circuit 2 is using a motor driving with overcurrent protection function
Chip, it is preferred to use L6205 driving chips.L6205 is a bi-motor full bridge driver, it combine isolated DMOS with
In same chip, the logic circuit of optimization and power stage reach optimal performance for CMOS and bipolar circuit power transistor.
Alarm device 5 is using buzzer, loudspeaker or audible-visual annunciator.Preferably, using buzzer.
The utility model provides the driving control signal of motor by the control module with pwm signal output function, and
After coordinating optocoupler to sample the PWM feedback signal of motor, the umber of pulse exported by control module and the feedback detected
Umber of pulse is compared, and is judged whether motor occurs stall phenomenon with this, when over current of motor can be dragged down motor-drive circuit
The voltage of the enabled pin of L6205 chips, it is defeated with control module so as to the umber of pulse received by detecting enabled pin
The umber of pulse that goes out contrast judge motor whether stall, when the umber of pulse detected is less than output umber of pulse, be judged as stall,
Now control module stops output pulse, leaves the motor off, and asks artificial be situated between after control module driving alarm device alarm
Enter queueing problem；The operation of motor carries out timing by control module, when motor operating time is more than setting time, but still without
When triggering limit sensors, control module stops output pulse, leaves the motor off, and control module driving alarm device report
It is alert, after operating personnel hear alarm, failure is positioned, if simple stall failure, after quickly cleaning out obstruction, is pressed
External reset button, system continue to run with, and do not drag slow production efficiency to the full extent.
Above-described embodiment is a kind of preferred embodiment only to illustrate technical concepts and features of the present utility model, its mesh
Be to make skilled in the art realises that content of the present utility model and be carried out accordingly, this practicality can not be limited with this
New protection domain.All equivalent transformations made according to Spirit Essence of the present utility model or modification, should all cover in this reality
Within new protection domain.
Claims (9)
1. a kind of motor control assembly for being used to detect stall, including for cleaning the scraper of spray head of spray-painting equipment, scraper passes through
Scraping cleaning is carried out to shower nozzle after the driving of one motor, it is characterised in that the motor uses a direct current generator, and the motor
Motor-drive circuit connection one is used for the control module of controlled motor operation, and the control module has PWM control letters using one
The control module of number output function, the input of motor-drive circuit are connected with the output end of the control module, so as to electricity
Machine output pwm signal, the input of the motor-drive circuit connect back to the control module by an optocoupler, and with controlling mould
The input connection of block, to carry out feedback sample to the pwm signal of motor, by feedback signal and the output of comparing sampling
Pwm signal, judges whether motor occurs stall phenomenon, and the control module is also connected with a limit sensors, is cleaned for detecting
The limit signal of the scraping blade of shower nozzle simultaneously sends control module to, and the limit sensors are arranged at the operating path end of the scraper
End, when stall occurs for motor, within a certain period of time scraper can not be driven to run to limit sensors, i.e., now, spacing biography
Sensor can not be triggered within the time, now be judged as motor rotation blockage, the control module connects an alarm device, and drives
With control alarm device work；
The control module connects a SR, for receiving the reset motor request signal manually sent, in this, as weight
Open the signal of electric machine operation state.
A kind of 2. motor control assembly for being used to detect stall according to claim 1, it is characterised in that the control mould
Timing unit and counting unit are provided with block, the timing unit is used to carry out timing, the counting to the run time of motor
Unit is used to count to the umber of pulse of motor to exporting.
A kind of 3. motor control assembly for being used to detect stall according to claim 2, it is characterised in that the control mould
Block uses single-chip microcomputer, and the single-chip microcomputer uses the single-chip microcomputer with pwm signal output function.
A kind of 4. motor control assembly for being used to detect stall according to claim 3, it is characterised in that the control mould
Block uses 8 single-chip microcomputers.
A kind of 5. motor control assembly for being used to detect stall according to claim 3 or 4, it is characterised in that the electricity
Drive circuit uses a motor drive ic with overcurrent protection function.
6. a kind of motor control assembly for being used to detect stall according to claim 5, it is characterised in that the motor drives
Dynamic circuit uses L6205 driving chips.
A kind of 7. motor control assembly for being used to detect stall according to any one of Claims 1-4, it is characterised in that
The alarm device uses buzzer, loudspeaker or audible-visual annunciator.
A kind of 8. motor control assembly for being used to detect stall according to any one of Claims 1-4, it is characterised in that
The alarm device uses buzzer.
9. a kind of motor control assembly for being used to detect stall according to claim 6, it is characterised in that the reset is pressed
Button uses both hands button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720830433.9U CN206947933U (en) | 2017-07-10 | 2017-07-10 | A kind of motor control assembly for being used to detect stall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720830433.9U CN206947933U (en) | 2017-07-10 | 2017-07-10 | A kind of motor control assembly for being used to detect stall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206947933U true CN206947933U (en) | 2018-01-30 |
Family
ID=61369473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720830433.9U Expired - Fee Related CN206947933U (en) | 2017-07-10 | 2017-07-10 | A kind of motor control assembly for being used to detect stall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206947933U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416972A (en) * | 2019-08-26 | 2019-11-05 | 无锡雷利电子控制技术有限公司 | Rotation-clogging protection and stall restart circuit device |
| CN111877873A (en) * | 2020-08-17 | 2020-11-03 | 广东科徕尼智能科技有限公司 | Fingerprint lock |
| CN112526970A (en) * | 2020-11-27 | 2021-03-19 | 宣城睿晖宣晟企业管理中心合伙企业(有限合伙) | Industrial control equipment operation state detection method and device and electronic equipment |
| CN113002162A (en) * | 2021-02-23 | 2021-06-22 | 西门子工厂自动化工程有限公司 | Method for judging motor stalling alarm cause of offset press |
| CN114024467A (en) * | 2021-09-29 | 2022-02-08 | 太原重工股份有限公司 | Position control method using self-contained protection device of motor |
-
2017
- 2017-07-10 CN CN201720830433.9U patent/CN206947933U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416972A (en) * | 2019-08-26 | 2019-11-05 | 无锡雷利电子控制技术有限公司 | Rotation-clogging protection and stall restart circuit device |
| CN111877873A (en) * | 2020-08-17 | 2020-11-03 | 广东科徕尼智能科技有限公司 | Fingerprint lock |
| CN112526970A (en) * | 2020-11-27 | 2021-03-19 | 宣城睿晖宣晟企业管理中心合伙企业(有限合伙) | Industrial control equipment operation state detection method and device and electronic equipment |
| CN113002162A (en) * | 2021-02-23 | 2021-06-22 | 西门子工厂自动化工程有限公司 | Method for judging motor stalling alarm cause of offset press |
| CN113002162B (en) * | 2021-02-23 | 2022-10-14 | 西门子工厂自动化工程有限公司 | Method for judging motor stalling alarm cause of offset press |
| CN114024467A (en) * | 2021-09-29 | 2022-02-08 | 太原重工股份有限公司 | Position control method using self-contained protection device of motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20200710 |