CN106781389A - A kind of controller and control system - Google Patents
A kind of controller and control system Download PDFInfo
- Publication number
- CN106781389A CN106781389A CN201611232877.9A CN201611232877A CN106781389A CN 106781389 A CN106781389 A CN 106781389A CN 201611232877 A CN201611232877 A CN 201611232877A CN 106781389 A CN106781389 A CN 106781389A
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- Prior art keywords
- controller
- output
- module
- chip microcomputer
- wireless communication
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The invention provides a kind of controller and control system, the controller includes：Wireless communication module, single-chip microcomputer and output module；Wherein, by wireless communication receiver control instruction, the single-chip microcomputer controls the output module to be operated to the wireless communication module according to the control instruction.By setting wireless communication module, realize the remote wireless control to the controller, and simple structure, low cost, and the control system includes the controller to the controller that the present invention is provided, with simple structure, the characteristics of easy to operate.
Description
Technical field
The present invention relates to Internet of Things communication technical field, more specifically to a kind of controller and control system.
Background technology
With continuing to develop for science and technology, Internet of Things has turned into the important component of generation information technology, is also
The important development stage in " informationization " epoch.
Wherein, the internet that the definition of Internet of Things is connected for thing thing, that is to say, that the core of Internet of Things and basis are still
Internet, is the network for extending and extending on Internet basic, and extend and extend to any article and article by user terminal
Between, enter row information and exchange and communicate.
In Internet of Things network communication system, prior art uses PLC programmable logic controller (PLC)s, the PLC FPGA controls
Device processed be it is a kind of use a class programmable memory, it is execution logic computing, sequential control, fixed for its internally stored program
When, count and include with the user oriented instruction such as arithmetical operation, the PLC programmable logic controller (PLC)s：Power supply, CPU
CPU, memory, input/output interface circuit, functional module and communication module, in order to further improve PLC FPGA controls
The reliability of device processed, need to be using double central processing unit CPUs, or three center treatment for some PLC programmable logic controller (PLC)s
The system of unit CPU.
But, the cost of manufacture of PLC programmable logic controller (PLC)s can be very high, and PLC programmable logic controller (PLC)s are not for
Same product uses different PLC programming languages, has certain limitation, and PLC programmable logic controller (PLC)s only have
Have line traffic control function.
The content of the invention
To solve the above problems, the invention provides a kind of controller and control system, the controller realizes long-range
Radio communication is controlled, and simple structure, low cost, and the control system includes the controller, easy to operate with simple structure
Feature.
To achieve the above object, the present invention provides following technical scheme：
A kind of controller, the controller includes：Wireless communication module, single-chip microcomputer and output module；
Wherein, by wireless communication receiver control instruction, the single-chip microcomputer is according to the control for the wireless communication module
The instruction control output module is operated.
Preferably, in controller noted above, the wireless communication module is：Zigbee wireless communication modules.
Preferably, in controller noted above, the controller also includes：
Rectification filtering power module；
Wherein, the rectification filtering power module is used to carry out at rectifying and wave-filtering the alternating current for accessing the controller
Reason, for the controller provides power supply.
Preferably, in controller noted above, the controller also includes：
Output current limiting protection module；
Wherein, the output current limiting protection module is connected with the output port of the output module, for when the output
When the output current of module is more than setting electric current, the output current limiting protection module sends the first signal and refers to the single-chip microcomputer
Order, the single-chip microcomputer controls the output module to be stopped according to first signal instruction.
Preferably, in controller noted above, the controller also includes：
Output over-voltage protection module；
Wherein, the output over-voltage protection module is connected with the output port of the output module, for when the output
When the output voltage of module is more than setting voltage, the output over-voltage protection module sends secondary signal and refers to the single-chip microcomputer
Order, the single-chip microcomputer is stopped according to the secondary signal instruction control output module.
Preferably, in controller noted above, the controller also includes：
Output short circuit protection module；
Wherein, the output short circuit protection module is connected with the output port of the output module, for when the output
When the output port of module is short-circuited, the output short circuit protection module sends the 3rd signal instruction, institute to the single-chip microcomputer
State single-chip microcomputer controls the output module to be stopped according to the 3rd signal instruction.
Preferably, in controller noted above, the output module is：Five road AC output modules, and the output module
Maximum output current be 5A.
Present invention also offers a kind of control system, the control system includes：Cloud system and controller；
The cloud system is connected by radio communication with the controller；
The cloud system sends control instruction to the controller by the radio communication, and the controller is according to described
Control instruction is operated；
Wherein, the controller is the controller described in any of the above-described.
A kind of controller and control system provided by foregoing description, the present invention, the controller are included：Channel radio
Letter module, single-chip microcomputer and output module；Wherein, the wireless communication module is by wireless communication receiver control instruction, the list
Piece machine controls the output module to be operated according to the control instruction.
Compared with PLC programmable logic controller (PLC)s of the prior art, the controller that the present invention is provided is by setting nothing
Line communication module, realizes the remote radio communication control to the controller, and simple structure, low cost.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of structural framing schematic diagram of controller provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of control system provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It can be seen from background technology, PLC programmable logic controller (PLC)s include：Power supply, central processing unit CPU, memory,
Input/output interface circuit, functional module and communication module.
Wherein, the power supply in PLC programmable logic controller (PLC)s occupies very important status in the entire system, if not having
One good, reliable power-supply system PLC programmable logic controller (PLC)s cannot normal work, therefore, PLC is programmable to patrol
Collect design and manufacture of the manufacturer of controller to power supply also to attach great importance to, thus indirectly by PLC Programmable logical controllers
The cost of device is improved.
Central processing unit CPU is the control axis of PLC programmable logic controller (PLC)s, can be according to PLC FPGAs
The function that controller system program is assigned receives and stores the user program and data keyed in from programmable device.And check power supply, deposit
The state of reservoir, I/O and warning timer, and for diagnosing the syntax error in user program.When PLC FPGA controls
When device processed puts into operation, the state and data of each input unit are received in the way of scanning first, and be stored in I/O images respectively
Area, then reads user program one by one from user program memory, through command interpretation after, by instruction regulation execution logic or
Arithmetical operation is simultaneously sent to I/O image areas or data register result.After being finished Deng whole user programs, most
Afterwards by the data is activation in each output state or output register of I/O image areas to corresponding output device, such circulating
OK, until out of service.
However, to ensure that the reliability of PLC programmable logic controller (PLC)s, need to use dual processors or three control systems of CPU
System, the so also cost that increased PLC programmable logic controller (PLC)s of indirect.
Also, the communication module of PLC programmable logic controller (PLC)s can only carry out signal by the way of wire communication
Communication.
In order to solve the problems, such as PLC programmable logic controller (PLC)s in the prior art, one is the embodiment of the invention provides
Controller is planted, the controller includes：Wireless communication module, single-chip microcomputer and output module；
Wherein, by wireless communication receiver control instruction, the single-chip microcomputer is according to the control for the wireless communication module
The instruction control output module is operated.
By foregoing description, a kind of controller provided in an embodiment of the present invention is programmable with PLC of the prior art
Logic controller compares, and by setting wireless communication module, realizes the remote radio communication control to the controller, and
Simple structure, low cost.
The embodiment of the present invention is illustrated in order to more detailed, it is further to the embodiment of the present invention below in conjunction with the accompanying drawings
Explanation.
With reference to Fig. 1, Fig. 1 is a kind of structural framing schematic diagram of controller provided in an embodiment of the present invention.
The controller includes：
Wireless communication module 11, single-chip microcomputer 12 and output module 13；
Wherein, by wireless communication receiver control instruction, the single-chip microcomputer 12 is according to described for the wireless communication module 11
Control instruction controls the output module 13 to be operated.
Controller provided in an embodiment of the present invention can be controlled by radio communication to controller.
Wherein, in a preferred embodiment of the invention, the wireless communication module 11 is：Zigbee radio communication molds
Block.
Specifically, Zigbee communication technology is a kind of wireless data transmission network of high reliability, and Zigbee data are passed
Defeated module equivalent to mobile network base station, its communication distance is from the 75m of standard to hundreds of meter, several kilometers can realize that data are passed
It is defeated, and support wireless extensions.
Zigbee communication is a Wireless Data Transmission net that can be made up of 65535 wireless data transfer modules
Network platform, in the range of whole network, can realize being in communication with each other, often between each Zigbee network data transmission module
The distance between individual network node can be from the 75m wireless extensions of standard.Because Zigbee communication is mainly used in industry spot
Automated condtrol data transfer, therefore, Zigbee has simple, simple to operate, reliability high and the low feature of price.And move
Dynamic communication network is mainly what is set up for voice communication, and each base station value is general more than million yuan of costs, and each
Zigbee base stations are but less than 1000 yuan.Each Zigbee network node not only itself can be as monitored object (that is, can
Data acquisition and monitoring are directly carried out with connected sensor), the other network node transmissions of transfer can also come automatically
Data.Other each Zigbee network node can also be in the range of its own signal covering, and multiple does not undertake network
The isolated child node of information transfer task carries out wireless connection.
Also, Zigbee communication is in tri- frequency ranges of 2.4GHz, 868MHz, 915MHz, respectively with highest 250kbit/
The transmission rate of s, 20kbit/s, 40kbit/s.And Zigbee communication has the characteristics that：
First, low-power consumption：Because the transmission rate of Zigbee is low, transmission power is only 1mW, and uses park mode,
It is low in energy consumption, therefore the very power saving of Zigbee equipment.It can be seen from experimental data, Zigbee equipment simply uses two section in the markets
No.5 cell can just maintain to be up to the use time of six months to 2 years or so, and the feature is on other Wireless Telecom Equipments
Do not possess, also PLC programmable logic controller (PLC)s do not possess radio communication function also.
Second, low cost：On existing market, the cost of manufacture of Zigbee is very low, and the communication protocol of Zigbee is to exempt from
Take, therefore low cost is a key feature of Zigbee.
Third, time delay is short：The communication delay of Zigbee and the time delay activated from resting state are all very short, according to experiment number
According to understanding, typical search equipment delay is 30ms, and the time delay of dormancy activation is 15ms, and the time delay of vehicular equipment channel access is
15ms, it is very high to delay requirement due in Industry Control occasion, and Zigbee possesses the feature, and PLC FPGAs just
Controller does not just possess the short feature of time delay.
Fourth, network capacity is big：One Zigbee network of hub-and-spoke configuration can at most accommodate 254 secondary equipment and one
, can simultaneously there are most more than 100 Zigbee networks in main equipment, and composition between network can be with a network area
Flexibly set.
Fifth, reliability is high：Zigbee takes collision avoidance strategy, while to need the communication service of fixed-bandwidth pre-
Dedicated time slot has been stayed, the competition and conflict for sending data has been avoided.And media intervention key-course MAC employs fully validated number
According to transmission mode, any one packet for sending all has to wait for the confirmation of recipient.If going out during transmission
Existing problem, can also resend, and on the basis of simple structure, low cost, the characteristics of possess high reliability, and PLC can
Programmed logic controller, is that can just ensure reliability on the basis of cost is increased.
Sixth, safe：Zigbee provides the packet integrity checking function based on CRC, supports
Authentication and certification, and the AES of AES-128 is employed, each application is flexibly determined its security attribute, possess
Safe the characteristics of.
In embodiments of the present invention, by preferably using Zigbee wireless communication modules, make provided in an embodiment of the present invention
Controller possesses These characteristics, and uses Zigbee communication technology, realizes the multiparty control of gateway.
Optionally, in embodiments of the present invention, the controller also includes：
Rectification filtering power module 14；
Wherein, the rectification filtering power module 14 is used to carry out at rectifying and wave-filtering the alternating current for accessing the controller
Reason, for the controller provides power supply.
Optionally, in embodiments of the present invention, the controller also includes：
Output current limiting protection module 15；
Wherein, the output current limiting protection module 15 is connected with the output port of the output module 13, for when described
When the output current of output module 13 is more than setting electric current, the output current limiting protection module 15 sends the to the single-chip microcomputer 12
One signal instruction, the single-chip microcomputer 12 controls the output module 13 to be stopped according to first signal instruction.
Current protection measures effectively can be provided to the controller by setting the output current limiting protection module 15,
Strengthen the stability and reliability of the controller.
Optionally, in embodiments of the present invention, the controller also includes：
Output over-voltage protection module 16；
Wherein, the output over-voltage protection module 16 is connected with the output port of the output module 13, for when described
When the output voltage of output module 13 is more than setting voltage, the output over-voltage protection module 16 sends the to the single-chip microcomputer 12
Binary signal is instructed, and the single-chip microcomputer 12 is stopped according to the secondary signal instruction control output module 13.
Voltage protecting measures effectively can be provided to the controller by setting the output over-voltage protection module 16,
Strengthen the stability and reliability of the controller.
Optionally, in embodiments of the present invention, the controller also includes：
Output short circuit protection module 17；
Wherein, the output short circuit protection module 17 is connected with the output port of the output module 13, for when described
When the output port of output module 13 is short-circuited, the output short circuit protection module 17 sends the 3rd and believes to the single-chip microcomputer 12
Number instruction, the single-chip microcomputer 12 controls the output module 13 to be stopped according to the 3rd signal instruction.
Output circuit protection can be effectively provided the controller by setting the output short circuit protection module 17
Measure, strengthens the stability and reliability of the controller.
Optionally, in embodiments of the present invention, the controller also includes：
Transformer Rectifier filtration module 18；
Wherein, the Transformer Rectifier filtration module 18 is used to carry out signal transformation, rectification and filtering process, improves described
The stability and reliability of signal in controller.
Optionally, in embodiments of the present invention, the output module 13 is：Five road AC output modules, and the output
The maximum output current of module 13 is 5A.
That is the controller for being provided in a preferred embodiment of the present invention is a five tunnels exchange o controller.
By foregoing description, compared with PLC programmable logic controller (PLC)s of the prior art, what the present invention was provided
Controller realizes the remote radio communication control to the controller, and simple structure by setting wireless communication module, into
This is low.
Present invention also offers a kind of control system, with reference to Fig. 2, Fig. 2 is a kind of control system provided in an embodiment of the present invention
The structural representation of system.The control system includes：Cloud system and controller, wherein the controller is described in above-described embodiment
Controller.
Wherein, the cloud system is connected by radio communication with the controller.
Specifically, as shown in Fig. 2 the cloud system includes：Cloud platform 21, host computer 22, router/switch 23, nothing
Line communication gate 24, i.e., described cloud system is communicatively coupled by the radio communications gateway 24 with the controller.
Optionally, the radio communications gateway 24 is Zigbee radio communications gateways.
The cloud system sends control instruction to the controller by the radio communication, and the controller is according to described
Control instruction is operated.That is, the host computer 22 is sent by the radio communications gateway 24 to the controller
Control instruction, the controller is operated according to the control instruction, and the mode of operation can start work for the controller
Make or the controller is stopped.
Wherein, the cloud platform 21 is used for data storage, in order to follow-up Data Analysis Services.
By foregoing description, the control system includes the controller described in above-described embodiment, possesses simple structure, grasps
Make the characteristics of facilitating.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (8)
1. a kind of controller, it is characterised in that the controller includes：Wireless communication module, single-chip microcomputer and output module；
Wherein, by wireless communication receiver control instruction, the single-chip microcomputer is according to the control instruction for the wireless communication module
The output module is controlled to be operated.
2. controller according to claim 1, it is characterised in that the wireless communication module is：Zigbee radio communications
Module.
3. controller according to claim 1, it is characterised in that the controller also includes：
Rectification filtering power module；
Wherein, the rectification filtering power module is used to carry out rectifying and wave-filtering treatment to the alternating current for accessing the controller, is
The controller provides power supply.
4. controller according to claim 1, it is characterised in that the controller also includes：
Output current limiting protection module；
Wherein, the output current limiting protection module is connected with the output port of the output module, for when the output module
Output current be more than setting electric current when, the output current limiting protection module to the single-chip microcomputer send the first signal instruction, institute
State single-chip microcomputer controls the output module to be stopped according to first signal instruction.
5. controller according to claim 1, it is characterised in that the controller also includes：
Output over-voltage protection module；
Wherein, the output over-voltage protection module is connected with the output port of the output module, for when the output module
Output voltage be more than setting voltage when, the output over-voltage protection module to the single-chip microcomputer send secondary signal instruct, institute
Single-chip microcomputer is stated to be stopped according to the secondary signal instruction control output module.
6. controller according to claim 1, it is characterised in that the controller also includes：
Output short circuit protection module；
Wherein, the output short circuit protection module is connected with the output port of the output module, for when the output module
Output port when being short-circuited, the output short circuit protection module sends the 3rd signal instruction, the list to the single-chip microcomputer
Piece machine controls the output module to be stopped according to the 3rd signal instruction.
7. controller according to claim 1, it is characterised in that the output module is：Five road AC output modules, and
The maximum output current of the output module is 5A.
8. a kind of control system, it is characterised in that the control system includes：Cloud system and controller；
The cloud system is connected by radio communication with the controller；
The cloud system sends control instruction to the controller by the radio communication, and the controller is according to the control
Instruction is operated；
Wherein, the controller is the controller as described in claim any one of 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611232877.9A CN106781389A (en) | 2016-12-28 | 2016-12-28 | A kind of controller and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611232877.9A CN106781389A (en) | 2016-12-28 | 2016-12-28 | A kind of controller and control system |
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| Publication Number | Publication Date |
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| CN106781389A true CN106781389A (en) | 2017-05-31 |
Family
ID=58921352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611232877.9A Pending CN106781389A (en) | 2016-12-28 | 2016-12-28 | A kind of controller and control system |
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| CN (1) | CN106781389A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110570644A (en) * | 2019-09-24 | 2019-12-13 | 广州华端科技有限公司 | Remote control device |
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| KR100633779B1 (en) * | 2006-02-24 | 2006-10-16 | 박강덕 | Green consent |
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