CN207115181U - A kind of servos control experimental provision of integrated multi-communication mode - Google Patents
A kind of servos control experimental provision of integrated multi-communication mode Download PDFInfo
- Publication number
- CN207115181U CN207115181U CN201720941286.2U CN201720941286U CN207115181U CN 207115181 U CN207115181 U CN 207115181U CN 201720941286 U CN201720941286 U CN 201720941286U CN 207115181 U CN207115181 U CN 207115181U
- Authority
- CN
- China
- Prior art keywords
- communication
- microprocessor
- shifting circuits
- level shifting
- experimental provision
- 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
Links
Landscapes
- Selective Calling Equipment (AREA)
Abstract
The utility model discloses a kind of servos control experimental provision of integrated multi-communication mode, including microprocessor, steering wheel, signal switch unit, the signal switch unit includes communication interface, MTS, communication level converting unit and electronic analog swtich, the communication interface, MTS, communication level converting unit, electronic analog swtich, microprocessor are sequentially connected in series, and microprocessor is connected with steering wheel.Communication level converting unit of the present utility model includes RS232 level shifting circuits and RS485 level shifting circuits, debugging class experiment is done to communicate using RS232, do and communicated using during class experiment using RS485, it can manually switch switch manual for different experiment contents and switch different communication modes, it is not only simple but also flexible.
Description
Technical field
A kind of steering wheel experimental provision of the utility model, the servos control experiment dress of more particularly to a kind of integrated multi-communication mode
Put.
Background technology
Steering wheel is a kind of important executing agency, and it can rotate corresponding angle according to the pulse width of control signal, and
The angle of rotation belongs to proportionate relationship with pulse width, and steering wheel has use in many fields, as agricultural machinery, industrial equipment,
Photovoltaic electronic applications etc..In field research, the student of school needs to learn servos control, but is the absence of the experiment dress of specialty
Put, and the communication mode of servos control is all relatively simple, and limitation is larger.
The content of the invention
In order to solve the above-mentioned technical problem, the utility model provides a kind of simple in construction, applied widely integrated more logical
The servos control experimental provision of letter mode.
The technical scheme that the utility model solves the above problems is：A kind of servos control experiment dress of integrated multi-communication mode
Put, including microprocessor, steering wheel, signal switch unit, the signal switch unit include communication interface, MTS,
Communication level converting unit and electronic analog swtich, the communication interface, MTS, communication level converting unit, electricity
Sub- analog switch, microprocessor are sequentially connected in series, and microprocessor is connected with steering wheel.
The servos control experimental provision of above-mentioned integrated multi-communication mode, in addition to feedback unit, feedback unit include photoelectricity
Baffle plate and photoelectric sensor, photoelectricity baffle plate are arranged on steering wheel, photoelectric sensor face photoelectricity baffle plate setting, photoelectric sensor
Signal output part is connected with microprocessor.
The servos control experimental provision of above-mentioned integrated multi-communication mode, in addition to man-machine interaction unit, man-machine interaction unit
Including keyboard and display, keyboard, display are connected with microprocessor respectively.
The servos control experimental provision of above-mentioned integrated multi-communication mode, the communication level converting unit include RS232 electricity
Flat change-over circuit and RS485 level shifting circuit, the communication interface after MTS respectively with RS232 level conversions
Circuit, one end of RS485 level shifting circuits are connected, RS232 level shifting circuits, the other end of RS485 level shifting circuits
Microprocessor is connected after electronic analog swtich respectively.
The servos control experimental provision of above-mentioned integrated multi-communication mode, the MTS use triac device
E-TEN302, triac device include the first to the 3rd public wiring point, the first to the 6th output connection point, wherein first is public
Wiring point and the second public wiring point difference connection communication interface altogether, the 3rd public wiring point connect power supply, the first output connection point,
3rd output connection point connects RS232 level shifting circuits respectively, and the 5th output connection point is hanging, the second output connection point,
4 output connection points connect RS485 level shifting circuits, the 6th output connection point connection electronic analog swtich respectively.
The servos control experimental provision of above-mentioned integrated multi-communication mode, the electronic analog swtich use CH440.
The beneficial effects of the utility model are：
1st, communication level converting unit of the present utility model includes RS232 level shifting circuits and RS485 level conversions electricity
Road, do debugging class experiment and communicated using RS232, do and communicated when being tested using class using RS485, can for different experiment contents
Switch different communication modes manually to switch switch manual, it is not only simple but also flexible.
2nd, the utility model is provided with man-machine interaction unit, and display uses numeral method, and keyboard uses Independent keys defeated
Enter, can be locally displayed and adjusted the parameter of steering wheel when not communicated with other devices, extend the experiential function of circuit.
3rd, the utility model is provided with feedback unit, and feedback unit includes photoelectricity baffle plate and photoelectric sensor, photoelectricity baffle plate peace
On steering wheel, photoelectric sensor face photoelectricity baffle plate setting, the signal output part of photoelectric sensor is connected with microprocessor；Rudder
Machine, which rotates, drives photoelectricity flapper, and the rotation of photoelectricity baffle plate causes photoelectric sensor to obtain corresponding pulse signal, by place
Microprocessor is fed back to after reason, forms control closed loop, various control experiments can be carried out, and detects the output essence of steering wheel
Degree.
Brief description of the drawings
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is circuit diagram of the present utility model.
Fig. 3 is the logi function chart of electronic analog swtich.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As shown in figure 1, the utility model includes microprocessor, steering wheel, signal switch unit, feedback unit, man-machine interaction
Unit, the signal switch unit are opened including communication interface, MTS, communication level converting unit and electronic simulation
Closing, the communication interface, MTS, communication level converting unit, electronic analog swtich, microprocessor are sequentially connected in series,
Microprocessor is connected with steering wheel.Man-machine interaction unit includes keyboard and display, keyboard, display respectively with microprocessor phase
Even.
The communication level converting unit includes RS232 level shifting circuits and RS485 level shifting circuits, the communication
The one end of interface respectively with RS232 level shifting circuits, RS485 level shifting circuits after MTS is connected, RS232
Level shifting circuit, the other end of RS485 level shifting circuits connect microprocessor after electronic analog swtich respectively.RS232
It is electrical standard with RS485, the main distinction is exactly how logic represents.RS232 uses -12V represents logic 1, and 12V represents logic
0, full duplex, because representing logic using absolute voltage, due to interference, the reason such as conductor resistance, communication distance is not far, during low speed
At most also with regard to tens meters can be transmitted.RS485 is released after RS232, using differential signal negative logic, with the voltage difference of line-to-line
Representing logic for-(2 ~ 6) V, " 1 " represents using the voltage difference of line-to-line as+(2 ~ 6) V；Logic " 0 ".Communication maximum RS-485 away from
From km, peak transfer rate 10Mbps can be reached.Do debugging class experiment to communicate using RS232, do when being tested using class
Communicated using RS485, can manually switch switch manual for different experiment contents switches different communication modes, both
It is simple and flexible.
The MTS uses triac device E-TEN302, and it is public that triac device includes first to the 3rd
Wiring point, the first to the 6th output connection point altogether, wherein the first public wiring point and the second public wiring point difference connection communication
Interface, the 3rd public wiring point connect power supply, and the first output connection point, the 3rd output connection point connect RS232 level conversions respectively
Circuit, the 5th output connection point is hanging, and the second output connection point, the 4th output connection point connect RS485 level conversions electricity respectively
Road, the 6th output connection point connection electronic analog swtich.
Feedback unit includes photoelectricity baffle plate and photoelectric sensor, and photoelectricity baffle plate is arranged on steering wheel, photoelectric sensor face
Photoelectricity baffle plate setting, the signal output part of photoelectric sensor are connected with microprocessor.
The utility model is using microprocessor as core, and when connecting other devices to transmit steering wheel parameter, signal connects from communication
Mouth input and output, switch different gears, triac device part control communication level by stirring triac device
The connection of converting unit and communication interface, triac device another part control electronic analog swtich, is opened by electronic simulation
Close the connection of control communication level converting unit and microprocessor.The instruction or keyboard that microprocessor comes according to communications
The instruction of input produces corresponding PWM ripples, and control steering wheel rotates.The rotation of steering wheel drives the rotation of photoelectricity baffle plate, photoelectricity baffle plate
Rotation cause photoelectric sensor to obtain corresponding pulse signal, feed back to microprocessor after treatment, microprocessor is carried out
Display feeds back to other devices by communication interface.
As shown in Fig. 2 communication interface uses standard D flip data interface connector DB9；MTS is double using three knives
Throw switch E-TEN302, it has 2 gears；The master chip of communication level converting unit uses MAX232 and MAX485；Electronic die
Intend switch and use CH440, it is 4 passage low-resistance wide-band bidirectional electronic analog swtich chips.It is outside by communication interface DB9 connections
Communication equipment, switched after connection by triac device S1 and communicated to connect, 2 gears, when triac device S1 pushes position
When putting 1, triac device S1 three public wiring points connect first, the three, the 5th output connection points respectively, and the 3rd of DB9 the
Pin and the 2nd pin are connected with MAX232 the 7th pin and the 8th pin respectively, while it is low electricity to control electronic analog swtich U3 the 1st pin
It is flat；When triac device S1 pushes position 2, triac device S1 three public wiring points connect second, respectively
4th, the 6th output connection point, DB9 the 3rd pin and the 2nd pin are connected with MAX485 the 6th pin and the 7th pin respectively, while control electricity
Sub- analog switch U3 the 1st pin is high level.Signal of communication is sent into electronic analog swtich after communication level converting unit
CH440 input, CH440 are switched comprising 4 passage single pole double throw analogs, high bandwidth, low on-resistance, be can be used for regarding
Frequency or the switching of other signal alternatives.Its built-in function block diagram as shown in figure 3,15 pin are that EN control terminal low levels are effective,
1st pin is selection input, and when it is low level, selection inputs exports for S1 port：TXD, RXD pin of microprocessor
It is connected with MAX232 TXD, RXD；Exported when to select to input during high level for S2 port.Opened by stirring triple-pole double throw
Close S1 and be in position 1 and position 2, select different signal transmission passages to allow the device to realize communication.
Claims (6)
- A kind of 1. servos control experimental provision of integrated multi-communication mode, it is characterised in that：Including microprocessor, steering wheel, signal Switch unit, the signal switch unit include communication interface, MTS, communication level converting unit and electronic simulation Switch, the communication interface, MTS, communication level converting unit, electronic analog swtich, microprocessor are gone here and there successively Connect, microprocessor is connected with steering wheel.
- 2. the servos control experimental provision of integrated multi-communication mode according to claim 1, it is characterised in that：Also include anti- Unit is presented, feedback unit includes photoelectricity baffle plate and photoelectric sensor, and photoelectricity baffle plate is arranged on steering wheel, photoelectric sensor face light Electric baffle plate setting, the signal output part of photoelectric sensor are connected with microprocessor.
- 3. the servos control experimental provision of integrated multi-communication mode according to claim 1, it is characterised in that：Also include people Machine interactive unit, man-machine interaction unit include keyboard and display, and keyboard, display are connected with microprocessor respectively.
- 4. the servos control experimental provision of integrated multi-communication mode according to claim 1, it is characterised in that：The communication Level conversion unit includes RS232 level shifting circuits and RS485 level shifting circuits, and the communication interface is opened through manual switching One end behind pass respectively with RS232 level shifting circuits, RS485 level shifting circuits is connected, RS232 level shifting circuits, The other end of RS485 level shifting circuits connects microprocessor after electronic analog swtich respectively.
- 5. the servos control experimental provision of integrated multi-communication mode according to claim 4, it is characterised in that：It is described manual Switching switch use triac device E-TEN302, triac device including the first to the 3rd public wiring point, first to 6th output connection point, wherein the first public wiring point and the second public wiring point difference connection communication interface, the 3rd public connects Line point connects power supply, and the first output connection point, the 3rd output connection point connect RS232 level shifting circuits respectively, and the 5th output connects Line point is hanging, and the second output connection point, the 4th output connection point connect RS485 level shifting circuits, the 6th output connection respectively Point connection electronic analog swtich.
- 6. the servos control experimental provision of integrated multi-communication mode according to claim 1, it is characterised in that：The electronics Analog switch uses CH440.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720941286.2U CN207115181U (en) | 2017-07-31 | 2017-07-31 | A kind of servos control experimental provision of integrated multi-communication mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720941286.2U CN207115181U (en) | 2017-07-31 | 2017-07-31 | A kind of servos control experimental provision of integrated multi-communication mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207115181U true CN207115181U (en) | 2018-03-16 |
Family
ID=61582239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720941286.2U Expired - Fee Related CN207115181U (en) | 2017-07-31 | 2017-07-31 | A kind of servos control experimental provision of integrated multi-communication mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207115181U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107203203A (en) * | 2017-07-31 | 2017-09-26 | 湖南理工职业技术学院 | A kind of servos control experimental provision of integrated multi-communication mode |
| CN111585485A (en) * | 2020-06-11 | 2020-08-25 | 湖南汇远新能源科技有限公司 | DC motor stepless speed regulation controller capable of automatically identifying PWM signal and LIN communication signal |
-
2017
- 2017-07-31 CN CN201720941286.2U patent/CN207115181U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107203203A (en) * | 2017-07-31 | 2017-09-26 | 湖南理工职业技术学院 | A kind of servos control experimental provision of integrated multi-communication mode |
| CN111585485A (en) * | 2020-06-11 | 2020-08-25 | 湖南汇远新能源科技有限公司 | DC motor stepless speed regulation controller capable of automatically identifying PWM signal and LIN communication signal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201610970U (en) | GPRS intelligent electric valve actuating mechanism | |
| CN207115181U (en) | A kind of servos control experimental provision of integrated multi-communication mode | |
| CN103198807A (en) | Display signal processing system and circuit board and liquid crystal display device | |
| CN204155273U (en) | A kind of multi-functional data switch based on elevator communication | |
| CN105575237A (en) | Expandable power electronics teaching experiment device | |
| CN206555522U (en) | A kind of electric valve controller | |
| CN204241971U (en) | A kind of electric elevatable table intelligent remote control device | |
| CN107203203A (en) | A kind of servos control experimental provision of integrated multi-communication mode | |
| CN206455665U (en) | Steering gear control system and robot | |
| CN202794931U (en) | Steering engine controller | |
| CN104730274A (en) | Programmed multifunctional rotation speed signal conversion device | |
| CN203179363U (en) | DSP-based switched reluctance motor (SRM) teaching experiment system | |
| CN203963225U (en) | Intelligent valve positioner controller | |
| CN204463524U (en) | A kind of motor speed measurement conversion actual training device | |
| CN107508737A (en) | Radio communication device and its communication means based on EtherCAT | |
| CN207718202U (en) | A kind of ECM control systems based on intelligent pinboard | |
| CN207638934U (en) | A kind of programmable LED light source controller of multichannel | |
| CN208077477U (en) | A kind of driving of motor and control teaching aid | |
| CN208158429U (en) | Micropower constant current constant voltage regulated power supply based on microprocessor technology | |
| CN207337124U (en) | A kind of data acquisition circuit | |
| CN206594811U (en) | A kind of multi-functional node assignor | |
| CN208061961U (en) | A kind of control assembly based on relay | |
| CN207502966U (en) | A kind of 2 channel voltages of PLC/current mode analog output module | |
| CN208737704U (en) | A kind of electric control and PLC application actual training device | |
| CN220692961U (en) | Motor control circuit for driving split screen |
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: 20180316 Termination date: 20180731 |