CN108363336A - A kind of remote control and the intelligent switching device locally controlled - Google Patents
A kind of remote control and the intelligent switching device locally controlled Download PDFInfo
- Publication number
- CN108363336A CN108363336A CN201810389618.XA CN201810389618A CN108363336A CN 108363336 A CN108363336 A CN 108363336A CN 201810389618 A CN201810389618 A CN 201810389618A CN 108363336 A CN108363336 A CN 108363336A
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- China
- Prior art keywords
- processing chip
- master control
- control processing
- remote monitoring
- interface
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
- G05B19/0425—Safety, monitoring
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2612—Data acquisition interface
Abstract
The invention discloses a kind of remote control and the intelligent switching device that locally controls, including master control processing chip, local monitor unit, remote monitoring unit, hardware interface, main circuits；There are two RS485 communication interfaces, master control processing chip is connected with local monitor unit, remote monitoring unit the master control processing chip tool respectively by two RS485 communication interfaces；Hardware circuit or hardware device are connected by hardware interface with master control processing chip；Main circuit is connected with master control processing chip.
Description
Technical field
The invention belongs to communication fields, are related to Power Supply Monitoring, specifically, the present invention relates to a kind of remote control and locals
The switching device of control.
Background technology
With the rapid development of computer technology, the data-handling capacity of chip becomes increasingly stronger, can handle a large amount of
Digital operation and logical operation, and be furnished with multiple external communication interfaces, meet user demand.A large amount of terminal device can
It is attached by RS485 communications, user carries out real-time operation and monitoring in addition to thinking station before device side, to equipment, it is also desirable to
Equipment can also be operated and be monitored except several meters even km.This requires many industrial control systems are all necessary
It is furnished with remote monitoring unit and local monitor unit simultaneously.
But remote monitoring is in different display units and operating unit from local monitor, needs through communication transfer reality
When show, while also need to control different data of the chip processing from remote monitoring and local monitor, according to the result of processing
Main circuit is controlled, and data are fed back into local monitor and remote monitoring unit respectively.There is no good system structure
Figure and data processing scheme, can not use remote monitoring and local monitor simultaneously.
It can not problem used at the same time for remote control and local control.The solution mainly used at present has：(1)
Traditional system schema is by additional remote control and this control switching switch, and control chip is switched long-range by detection switch state
Control or local control, but the program is switched in addition to that need to add a switching, the also operation of inconvenient user；(2) it is using
Under the not high application scenario of performance requirement, remote monitoring and local monitor are separately controlled, i.e., remote monitoring does not go to inquire local prison
The parameter of control, local monitor do not go the parameter of inquiry remote monitoring yet, directly control machinery equipment.The processing scheme is relatively simple
Practicality, but the local monitor of the program and remote monitoring are asynchronous, under the higher application scenario of monitoring requirement, cannot be satisfied prison
Control requires.
Invention content
The problem of present invention uses at the same time for remote monitoring and local monitor proposes that a kind of remote control is controlled with local
The intelligent switching device of system keeps remote monitoring unit synchronous with local monitor cell data.
In order to achieve the goal above, the technical solution adopted by the present invention is：A kind of remote control and the intelligence locally controlled
Change switching device, including master control processing chip, local monitor unit, remote monitoring unit, hardware interface, main circuit；Described
Master control processing chip tool there are two RS485 communication interfaces, master control processing chip by two RS485 communication interfaces respectively with local
Monitoring unit, remote monitoring unit are connected；Hardware circuit or hardware device are connected by hardware interface with master control processing chip
It connects；Main circuit is connected with master control processing chip.
Further, there is the local monitor unit RS485 communication interfaces, the interface to have a-signal line and B signal
Line, a-signal line and B signal line change into the TX and RX of SCI rs 232 serial interface signals through oversampling circuit, and rs 232 serial interface signal TX and RX pass through light-coupled isolation
Later, it is connected with the SCI pins of master control processing chip.
Further, the remote monitoring unit is exported by the USB interface of computer, turns 485 turns by USB interface
Parallel operation is connected with master control processing chip, then 485 signals are converted into serial ports SCI by described, eventually enters into master control processing
Chip.
The technical effects of the invention are that：The present invention is centered on master control processing chip, connection remote monitoring unit, local
The circuit of monitoring unit and hardware interface is communicated by RS485 and transmits data, handles remote monitoring and local monitor sends over
Instruction, and the result of processing is fed back into remote monitoring and local monitor unit, data is kept to synchronize.
Description of the drawings
Invention is described further using attached drawing, but the embodiment in attached drawing does not constitute any limitation of the invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to the following drawings
Its attached drawing.
Fig. 1 is intelligent switching device system schematic according to the present invention；
Fig. 2 is master control processing chip according to the present invention and its interlock circuit schematic diagram；
Fig. 3 is 485 turns of serial port circuit figures according to the present invention；
Fig. 4 is hardware interface circuit figure according to the present invention.
Specific implementation mode
With reference to attached drawing, a kind of remote control provided by the invention and the intelligent switching device locally controlled, including：
Master control processing chip, using TMS320F28062, which has input and output I/O port, can handle external hardware
The input signal of circuit；Have AD sample detectings, digital operation and logical process can be carried out；Have two serial communication interfaces,
The instruction of remote monitoring and local monitor transmission can be received；
Local monitor unit, using touch screen TK6050IP, which has the programmable list of operation and display one
Member also has RS485 communication interfaces.RS485 communication interfaces are connected with the master control processing chip, can be by real-time
RS485 communications exchange data.
Remote monitoring unit, the VB human-machine operation units edited using VB are exported by the USB interface of computer, pass through USB
Interface turns 485 converters and is connected with master control processing chip.
Hardware interface can input hardware circuit or hardware of the voltage signal to master control processing chip of 0V, 5V or 3.3V
Equipment usually uses pulse-triggered or signal synchronizing function.
Main circuit has the device and its interlock circuit that can be controlled by main control processing chip, or can be controlled by master
The equipment for controlling processing chip.
The present invention connects remote monitoring unit, local monitor unit and hardware interface centered on master control processing chip
Circuit is communicated by RS485 and transmits data, handles the instruction that remote monitoring and local monitor send over, and by the knot of processing
Fruit feeds back to remote monitoring and local monitor unit, and data is kept to synchronize.A kind of remote control proposed by the present invention is controlled with local
The intelligent switching device of system includes following characteristics：
Remote control and local control real time data synchronization；
Remote control can operate simultaneously with local control, no instruction conflict；
This control switching switch is far controlled without additional, realizes intelligent switching；
The stationary problem that the present invention effectively solves remote control and locally controls, no instruction conflict, passes through in real time
RS485 communication update director datas, facilitate user to be monitored and operate equipment.
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model that the present invention protects
It encloses.
A kind of remote control and the intelligent switching device locally controlled, including master control processing chip, local monitor unit,
Remote monitoring unit, hardware interface, main circuit；There are two RS485 communication interfaces, master control processing for the master control processing chip tool
Chip is connected with local monitor unit, remote monitoring unit respectively by two RS485 communication interfaces；Hardware circuit or hardware
Equipment is connected by hardware interface with master control processing chip；Main circuit is connected with master control processing chip.
Further, there is the local monitor unit RS485 communication interfaces, the interface to have a-signal line and B signal
Line, a-signal line and B signal line change into the TX and RX of SCI rs 232 serial interface signals through oversampling circuit, and rs 232 serial interface signal TX and RX pass through light-coupled isolation
Later, it is connected with the SCI pins of master control processing chip.
Further, the remote monitoring unit is exported by the USB interface of computer, turns 485 turns by USB interface
Parallel operation is connected with master control processing chip, then 485 signals are converted into serial ports SCI by described, eventually enters into master control processing
Chip.
According to embodiments of the present invention, a kind of embodiment of remote control and local intelligent control switching device is provided.
It is as shown in Fig. 1 remote control and the intelligent switching device system structure diagram locally controlled.The system
Structural schematic diagram includes：Master control processing chip, the instruction for receiving remote control and locally controlling, and data processing is carried out,
The result of processing is feedbacked, while controlling the operation of main circuit；Remote monitoring unit, user can be right on a remote device
Equipment is monitored and operates；Local monitor unit, is mounted on the monitoring unit of machinery equipment, and user can Face to face directly
Machinery equipment is operated；Hardware interface (circuit) can be inputted according to user demand as spare I/O port, for example level touches
Hair or impulsive synchronization function；Main circuit, is controlled by the device and its interlock circuit of main control processing chip, or can be controlled by
The equipment of master control processing chip.
Further, as shown in Fig. 2, the present embodiment is had using touch screen TK6050IP as local monitor unit
RS485 communication interfaces, the interface have 485 a-signal line and B signal line.A-signal line and B signal line pass through as shown in Fig. 3
Circuit diagram changes into the TX and RX of SCI rs 232 serial interface signals.Rs 232 serial interface signal TX and RX pass through after light-coupled isolation, with master control processing chip
SCI pins be connected, realize and the communication of master control processing chip.
Further, the host computer unit that the present embodiment is edited using VB is as remote monitoring unit, remote monitoring unit
It runs, is exported by the USB interface of computer on computers, turn 485 converters by USB interface, change into RS485 communication signals.
485 signals are converted into serial ports SCI by described again, eventually enter into master control processing chip, realize mutually communication.
Further, the hardware interface (circuit) is designed to that circuit diagram as shown in Fig. 3, IO1 signals pass through light
After coupling isolation, it is converted into the GPIO mouths that IO2 signals enter master control processing chip TMS320F28062.IO1 is high level in attached drawing
When 5V, the LTV-816S work of level optocoupler, IO2 is high level.When IO1 is low level 0V, level optocoupler does not work, IO2 quilts
0V is pulled down to, is low level.After master control processing chip receives the level signal of hardware interface, logical process is carried out.
Further, master control processing chip is after receiving the instruction that remote monitoring and local monitor unit are sent, into
Row data processing, and the result of processing is fed back into remote monitoring and local monitor unit, keep remote monitoring and local monitor
Data synchronize, prevent exist operation conflict the case where.Remote monitoring and local monitor unit can also according to monitoring demand, under
Inquiry instruction is sent out, the operation data and working condition of machinery equipment, after master control processing chip receives inquiry instruction, root are inquired
Corresponding data are fed back according to the requirement of instruction.
Further, whether user can also enable hardware interface circuit by remote monitoring and the setting of local monitor unit
Input signal, realize that the compatibility of numeral input and hardware input function coexists.
Further, master control processing chip carries out after the instruction for receiving remote monitoring, local monitor and hardware input
Number operation and logical process export control signal by IO, control the work of main circuit, including：The action of relay, power
The switch etc. of device.
This programme passes through experimental verification, and function can reach expected requirement.Local monitor and remote monitoring can not have
Intelligent switching uses in the case of having additional hardware switching switch.Local monitor and remote monitoring unit can also be shown in real time
Show the operation data and working condition of machinery equipment.
The hardware interface is identical concept with hardware interface (circuit).
In embodiment provided herein, it should be understood that disclosed technology contents, it can be real by another way
It is existing.Wherein, the apparatus embodiments described above are merely exemplary.Wherein, the voltage value size in circuit, device choosing
Type can reasonably be adjusted according to actual motion needs, can be got a desired effect.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (3)
1. a kind of remote control and the intelligent switching device locally controlled, which is characterized in that local including master control processing chip
Monitoring unit, remote monitoring unit, hardware interface, main circuit；There are two RS485 communications to connect for the master control processing chip tool
Mouthful, master control processing chip is connected with local monitor unit, remote monitoring unit respectively by two RS485 communication interfaces；Firmly
Part circuit or hardware device are connected by hardware interface with master control processing chip；Main circuit is connected with master control processing chip.
2. a kind of remote control according to claim 1 and the intelligent switching device locally controlled, which is characterized in that institute
There is the local monitor unit stated RS485 communication interfaces, the interface to have a-signal line and B signal line, a-signal line and B signal line warp
Oversampling circuit changes into the TX and RX of SCI rs 232 serial interface signals, and rs 232 serial interface signal TX and RX pass through after light-coupled isolation, with master control processing chip
SCI pins are connected.
3. a kind of remote control according to claim 1 and the intelligent switching device locally controlled, which is characterized in that institute
The remote monitoring unit stated is exported by the USB interface of computer, turns 485 converters and master control processing chip phase by USB interface
Connection, then 485 signals are converted into serial ports SCI by described, eventually enter into master control processing chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810389618.XA CN108363336A (en) | 2018-04-27 | 2018-04-27 | A kind of remote control and the intelligent switching device locally controlled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810389618.XA CN108363336A (en) | 2018-04-27 | 2018-04-27 | A kind of remote control and the intelligent switching device locally controlled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108363336A true CN108363336A (en) | 2018-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810389618.XA Pending CN108363336A (en) | 2018-04-27 | 2018-04-27 | A kind of remote control and the intelligent switching device locally controlled |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393381A (en) * | 2020-11-27 | 2021-02-23 | 青岛海信日立空调系统有限公司 | Air conditioner monitoring system |
| CN113687619A (en) * | 2021-08-27 | 2021-11-23 | 镇江转能电子科技有限公司 | Design method of controller with double slave machine interfaces |
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