CN208077477U - A kind of driving of motor and control teaching aid - Google Patents
A kind of driving of motor and control teaching aid Download PDFInfo
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- CN208077477U CN208077477U CN201820379493.8U CN201820379493U CN208077477U CN 208077477 U CN208077477 U CN 208077477U CN 201820379493 U CN201820379493 U CN 201820379493U CN 208077477 U CN208077477 U CN 208077477U
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- motor
- brush
- teaching aid
- control
- brushless motor
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Abstract
The utility model discloses a kind of drivings of motor and control teaching aid, overcome the integrated level of equipment in the prior art high, the problem of equipment causes theory and practice to be difficult to connect using body structure, including experiment porch, DC brushless motor is provided on experiment porch, brush direct current motor, brushless motor controller, brush motor controller, Switching Power Supply and velocity measurement mechanisms, Switching Power Supply is separately connected brush motor controller and brushless motor controller, brushless motor controller connects DC brushless motor, brush motor controller connects brush direct current motor, the output end and brush direct current motor of DC brushless motor can fit on velocity measurement mechanisms, with open, modularization, the advantages of simplifying.
Description
Technical field
The utility model belongs to teaching aid, refers in particular to a kind of driving of motor and control teaching aid.
Background technology
Inventive concept purpose：Motor controls and the teaching aid of driving, is suitble to beginner's theories of learning knowledge, is suitble to beginner dynamic
Hand operates.
Currently, colleges and universities, training organization all set up electron electric power technology, motor manufacturing technology, Engineering Testing Technique, control
The courses such as engineering foundation, for teaching motor relevant knowledge and control method to student.
And teacher is during field research, in line with the purpose that knowwhy is fitted to practical application, it will usually use
Machine teaching teaching aid, still, there are following defects for existing machine teaching teaching aid：(1) integrated level of equipment is high, and beginner is needed
It takes a lot of time and is familiar with and understands whole equipment；(2) equipment uses body structure, only reserves corresponding interface, Xue Sheng
Also it is the work of spoon-feed when carrying out experiment, is unfavorable for connecting theory and practice.
Utility model content
In order to overcome the deficiencies of the prior art and there are the problem of, the utility model provide it is a kind of it is open, modularization, simplify
Motor driving with control teaching aid.
To achieve the above object, the utility model adopts the following technical solution：
A kind of driving of motor and control teaching aid, including experiment porch, be provided on experiment porch DC brushless motor,
Brush direct current motor, brushless motor controller, brush motor controller, Switching Power Supply and velocity measurement mechanisms, Switching Power Supply connect respectively
Brush motor controller and brushless motor controller are connect, brushless motor controller connects DC brushless motor, brush motor control
Device connects brush direct current motor, and the output end and brush direct current motor of DC brushless motor can fit on velocity measurement mechanisms.
The utility model is further arranged to：The velocity measurement mechanisms include gear, for the reluctance type of testing gears rotating speed
Tachogenerator, gear may be provided at the output end of DC brushless motor or the output end of brush direct current motor, and reluctance type is surveyed
Fast sensor is arranged on experiment porch, and reluctance type tachogenerator can connect brushless motor controller or brush motor control
Device.
The utility model is further arranged to：The brushless motor controller includes control module, and control module is connected with
First DC voltage reduction modules, A/D modules, the first drive module, inverter module, the first DC voltage reduction modules and inverter module are separately connected
Switching Power Supply, inverter module connect DC brushless motor.
The utility model is further arranged to：The control module is SCM6716 intelligent power module.
The utility model is further arranged to：The brush motor controller includes microcontroller, and is connected on microcontroller
Two DC voltage reduction modules, the second drive module, the second drive module connect H bridge power circuits, H bridges power circuit and the 2nd DC decompressions
Module is separately connected Switching Power Supply, and H bridge power circuits connect brush direct current motor.
The utility model is further arranged to：The model STM8S103 of the microcontroller.
The utility model is further arranged to：The model IR2101 of second drive module.
The utility model is further arranged to：Frequency converter, asynchronous machine are provided on the experiment porch, asynchronous machine connects
Connect frequency converter.
The utility model is further arranged to：The model Delta VFD007M21A of the frequency converter.
The utility model is further arranged to：Further include breaker, breaker is arranged on experiment porch, breaker difference
Connect frequency converter and Switching Power Supply.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：
(1) the utility model is used is arranged DC brushless motor, brush direct current motor, brushless motor control on experiment porch
Device, brush motor controller, Switching Power Supply and velocity measurement mechanisms processed are suitble to beginner's theories of learning using this modular design
Knowledge and hands-on, using the control and driving for being widely used in the actual DC brushless motor of engineering and brush direct current motor
As teaching purpose, industrial practical application of combining closely is arranged the control and driving of a variety of motors, can pass through one on experiment porch
Platform equipment can understand the difference of control and the driving of a variety of motors, can significantly broaden the visual field of learner, different motors
System shares velocity measurement mechanisms and Switching Power Supply, reduces the manufacturing cost of equipment.
(2) brushless motor controller of the utility model is had using SCM6716 intelligent power module as control module
Switching speed is fast, loss is small, low in energy consumption, strong antijamming capability, need not take anti-static precautions, small advantage, controls mould
Block connects the first DC voltage reduction modules, A/D modules, the first drive module, inverter module, control module by the first drive module and
Inverter module realizes that the DC voltage of input can be reduced and carried by the control to DC brushless motor, the first DC voltage reduction modules
Control module is supplied, by the system, learner will be seen that how brushless motor controller controls opening for DC brushless motor
Stop, the control of positive and negative rotation and rotating speed, learner can be allowed simply to learn the principle of DC brushless motor and intelligent work(
The characteristics of rate module.
(3) the utility model is using the Frequency Converter Control and driving asynchronous machine of model Delta VFD007M21A, learner
It can be realized to the crawl of asynchronous machine, stepless speed regulation, multistage speed control etc. by frequency converter.
(4) brush motor controller of the utility model uses the microcontroller of model STM8S103, microcontroller to connect H bridges
Power circuit, microcontroller is realized by H bridge power circuits to controls such as speed governing, the positive and negative rotations of brush direct current motor, and can be led to
The detection for crossing gear velocity measurement mechanisms carries out closed-loop control to motor, realizes the control algolithms such as PID.
(5) output in the output end or brush direct current motor of DC brushless motor is arranged using gear in the utility model
End, gear can be rotated synchronously with the output end of DC brushless motor or the output end of brush direct current motor, when gear rotates
When, periodic voltage change is generated on reluctance type tachogenerator, which can feed back to DC brushless controller
Either brush motor controller is to form the closed-loop control of brush direct current motor or DC brushless motor, therefore, passes through survey
Fast mechanism can complete closed loop or opened loop control to DC brushless motor, moreover it is possible to complete the closed loop to brush direct current motor
Or opened loop control, an equipment complete multiple teaching experiments, improve the popularity and diversity of learner's learning knowledge.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model；
Fig. 2 is the circuit diagram of the asynchronous motor control of the utility model；
Fig. 3 is the control structure figure under the brush direct current motor closed loop states of the utility model；
Fig. 4 is the control structure figure under the DC brushless motor open loop situations of the utility model；
Fig. 5 is the control structure figure under the DC brushless motor closed loop states of the utility model；
Fig. 6 is the control structure figure under the DC brushless motor open loop situations of the utility model；
Fig. 7 is the circuit diagram of the first DC voltage reduction modules in the utility model；
Fig. 8 is the circuit diagram of the H bridge power circuits in the utility model；
In figure：1- experiment porch, 2- reluctance types tachogenerator, 3- gears, 4- DC brushless motors, 5- asynchronous machines,
6- frequency converters, 7- breakers, 8- Switching Power Supplies, 9- brush motor controllers, 10- brushless motor controllers, 11- handles, 12- are straight
Flow brush motor, 13- bearing blocks, 14- motor fixing seats, 15- shaft couplings, 16- shafts, 17- operation interfaces, 18- microcontrollers,
19-H bridges power circuit, 20-A/D modules, the 2nd DC voltage reduction modules of 21-, the second drive modules of 22-, 23- control modules, 24-
First drive module, 25- inverter modules, the first DC voltage reduction modules of 26-.
Specific implementation mode
For the ease of the understanding of those skilled in the art, in the following with reference to the drawings and specific embodiments to the utility model make into
One step describes.
As shown in Figures 1 to 8, a kind of motor driving and control teaching aid, including experiment porch 1, experiment porch 1 are one
The both sides of the tablet of aluminum, experiment porch 1 are fixed with handle 11, DC brushless motor 4 are provided on experiment porch 1, direct current has
Brush motor 12, brushless motor controller 10, brush motor controller 9, Switching Power Supply 8 and velocity measurement mechanisms, brushless motor controller
10 connection DC brushless motors 4, brush motor controller 9 connect brush direct current motor 12, the output end of DC brushless motor 4 and
Brush direct current motor 12 can fit on velocity measurement mechanisms, and brushless motor controller 10 is for controlling and driving brush DC electric
Machine 4, brush motor controller 9 is for controlling and driving brush direct current motor 12, Switching Power Supply 8 to be converted to the alternating current of input
The output voltage of direct current electricity output, Switching Power Supply 8 is preferably direct current 24V, and direct current 24V voltages are the safe voltage of continuous contact,
In teaching process, the driving of this motor of user's continuous contact is avoided to come to harm with control teaching aid, learner uses this
It, can be to the widely used DC brushless motor of current industrial automation 4 and brush direct current motor when teaching aid is learnt
12 driving and control carries out practical hands-on, is suitble to beginner's theories of learning knowledge and beginner using modular design
The control and driving of a variety of motors are arranged on experiment porch 1, can understand a variety of electricity by an equipment for hands-on
The difference of control and the driving of machine, can significantly broaden the visual field of learner, and different electric systems share velocity measurement mechanisms and switch
Power supply 8 reduces the manufacturing cost of equipment.
The brushless motor controller 10 include control module 23, control module 23 be connected with the first DC voltage reduction modules 26,
A/D modules 20, the first drive module 24, inverter module 25, the first DC voltage reduction modules 26 and inverter module 25 are separately connected switch
Power supply 8, inverter module 25 connect DC brushless motor 4, the DC voltage that the first DC voltage reduction modules 26 export Switching Power Supply 8
Decompression processing is carried out, and exports the DC voltage for being suitble to control module 23, A/D modules 20 are used to convert analog quantity to number
Amount is to which by the rotating speed of Analog control DC brushless motor 4, control module 23 passes through A/D modules 20, the first drive module
24 and inverter module 25 to control the positive and negative rotation, start and stop and rotating speed of DC brushless motor 4, by the system, student can be allowed
The characteristics of grasping the principle and intelligent power module of DC brushless motor 4.
The control module 23 is SCM6716 intelligent power module, has that switching speed is fast, loss is small, low in energy consumption, there have to be more
The advantages that planting protective effect, strong antijamming capability, need not taking anti-static precautions, is small, is got in field of power electronics
It is more widely applied, and SCM6716 intelligent power module has line under-voltage locking, overheat, overcurrent and short-circuit protection etc.
Function.
The brush motor controller 9 includes microcontroller 18, and the 2nd DC voltage reduction modules 21, second are connected on microcontroller 18
Drive module 22, the second drive module 22 connect H bridges power circuit 19, and H bridges power circuit 19 and the 2nd DC voltage reduction modules 21 divide
Other connecting valve power supply 8, H bridges power circuit 19 connect brush direct current motor 12.
The model STM8S103 of the microcontroller 18, microcontroller 18 have A/D translation interfaces, timer input interface,
I/O interfaces and PWM output interfaces.
The model IR2101 of second drive module 22.
The velocity measurement mechanisms include gear, the reluctance type tachogenerator 2 for testing gears rotating speed, and velocity measurement mechanisms also wrap
Motor fixing seat 14, bearing block 13, shaft coupling 15 and shaft 16 are included, in shaft 16, one end of shaft 16 rotates gear set
It is connected on bearing block 13, the other end of shaft 16 is fixedly connected on shaft coupling 15, and shaft coupling 15 is fixed on motor fixing seat
On 14, motor fixing seat 14 and bearing block 13 are separately fixed on experiment porch 1, and gear may be provided at DC brushless motor 4
The output end of output end or brush direct current motor 12, shaft coupling 15 can also choose to install DC brushless motor 4 output end or
The output end of person's brush direct current motor 12 is arranged in reluctance type tachogenerator 2 on experiment porch 1, and reluctance type tests the speed sensing
Device 2 can connect brushless motor controller 10 or brush motor controller 9, therefore, velocity measurement mechanisms can and DC brushless motor
4, brushless motor controller 10 forms closed loop or the control circuit of switch control DC brushless motor 4, and velocity measurement mechanisms can also
Closed loop or the control circuit of opened loop control brush direct current motor 12 are formed with brush direct current motor 12, brush motor controller 9,
The experiment that can be carried out the open loop and closed loop of different direct current generators by the equipment, therefore, it is possible to allow student's specific aim to carry out
The study of a variety of knowledge improves the popularity and diversity of learner's study.
It is provided with frequency converter 6, asynchronous machine 5 on the experiment porch 1, asynchronous machine 5 connects frequency converter 6, on frequency converter 6
It is provided with operation interface 17.
The model Delta VFD007M21A of the frequency converter 6, learner can carry out the frequency control of asynchronous machine 5
Experiment can use the setting of completion 6 functional parameter of frequency converter of frequency converter 6,5 point operation control of asynchronous machine, 5 nothing of asynchronous machine
Grade speed governing and the selection of 5 multistage speed of asynchronous machine.
Further include breaker 7, breaker 7 is arranged on experiment porch 1, and breaker 7 is separately connected frequency converter 6 and switch
Power supply 8, excessive in electric current, the meeting auto-cutout of breaker 7, guard block and learner do not come to harm.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore：The equivalence changes that all structures, shape, principle according to the utility model are done, should all be covered by the protection of the utility model
Within the scope of.
Claims (10)
1. a kind of motor driving and control teaching aid, which is characterized in that including experiment porch (1), experiment porch is arranged on (1)
There are DC brushless motor (4), brush direct current motor (12), brushless motor controller (10), brush motor controller (9), switch
Power supply (8) and velocity measurement mechanisms, Switching Power Supply (8) are separately connected brush motor controller (9) and brushless motor controller (10), nothing
Brush motor controller (10) connects DC brushless motor (4), and brush motor controller (9) connects brush direct current motor (12), directly
The output end and brush direct current motor (12) of stream brushless motor (4) can fit on velocity measurement mechanisms.
2. a kind of motor driving according to claim 1 and control teaching aid, which is characterized in that the velocity measurement mechanisms packet
The reluctance type tachogenerator (2) for including gear (3), being used for testing gears (3) rotating speed, gear (3) may be provided at brush DC electricity
The output end of machine (4) or the output end of brush direct current motor (12), reluctance type tachogenerator (2) are arranged in experiment porch
(1) on, reluctance type tachogenerator can connect brushless motor controller (10) or brush motor controller (9).
3. a kind of motor driving according to claim 1 or 2 and control teaching aid, which is characterized in that the brushless electricity
Machine controller (10) includes control module (23), and control module (23) is connected with the first DC voltage reduction modules (26), A/D modules
(20), the first drive module (24), inverter module (25), the first DC voltage reduction modules (26) and inverter module (25) are separately connected out
Powered-down source (8), inverter module (25) connect DC brushless motor (4).
4. a kind of motor driving according to claim 3 and control teaching aid, which is characterized in that the control module
(23) it is SCM6716 intelligent power module.
5. a kind of motor driving according to claim 1 and control teaching aid, which is characterized in that the brush motor control
Device (9) processed includes microcontroller (18), and the 2nd DC voltage reduction modules (21), the second drive module (22) are connected on microcontroller (18),
Second drive module (22) connects H bridges power circuit (19), and H bridges power circuit (19) and the 2nd DC voltage reduction modules (21) connect respectively
Switching Power Supply (8) is connect, H bridges power circuit (19) connects brush direct current motor (12).
6. a kind of motor driving according to claim 5 and control teaching aid, which is characterized in that the microcontroller (18)
Model STM8S103.
7. a kind of motor driving according to claim 5 or 6 and control teaching aid, which is characterized in that described second
The model IR2101 of drive module (22).
8. a kind of motor driving according to claim 1 and control teaching aid, it is characterised in that, the experiment porch
(1) frequency converter (6), asynchronous machine (5) are provided on, asynchronous machine (5) connects frequency converter (6).
9. a kind of motor driving according to claim 8 and control teaching aid, which is characterized in that the frequency converter (6)
Model Delta VFD007M21A.
10. a kind of motor driving according to claim 8 or 9 and control teaching aid, it is characterised in that, further include breaking
Road device (7), breaker (7) are arranged on experiment porch (1), and breaker (7) is separately connected frequency converter (6) and Switching Power Supply (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820379493.8U CN208077477U (en) | 2018-03-20 | 2018-03-20 | A kind of driving of motor and control teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820379493.8U CN208077477U (en) | 2018-03-20 | 2018-03-20 | A kind of driving of motor and control teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208077477U true CN208077477U (en) | 2018-11-09 |
Family
ID=64047506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820379493.8U Expired - Fee Related CN208077477U (en) | 2018-03-20 | 2018-03-20 | A kind of driving of motor and control teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208077477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545050A (en) * | 2018-11-30 | 2019-03-29 | 西南民族大学 | Motor experiment case |
-
2018
- 2018-03-20 CN CN201820379493.8U patent/CN208077477U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545050A (en) * | 2018-11-30 | 2019-03-29 | 西南民族大学 | Motor experiment case |
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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: 20181109 Termination date: 20190320 |