CN106406259A - Internet of things intelligent electric actuating mechanism wireless management and control system and operating method thereof - Google Patents
Internet of things intelligent electric actuating mechanism wireless management and control system and operating method thereof Download PDFInfo
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- CN106406259A CN106406259A CN201610933111.7A CN201610933111A CN106406259A CN 106406259 A CN106406259 A CN 106406259A CN 201610933111 A CN201610933111 A CN 201610933111A CN 106406259 A CN106406259 A CN 106406259A
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- control
- base station
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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
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Selective Calling Equipment (AREA)
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Abstract
The invention relates to an Internet of things intelligent electric actuating mechanism wireless management and control system and an operating method thereof. The management and control system comprises a plurality of control base stations and a control master station, wherein the control base stations are applicable to acquiring state data of corresponding electric actuating mechanisms and sending corresponding control instruction data to the electric actuating mechanisms; and the control master station is used for collecting the state data acquired by each control base station and sending corresponding control instruction data to each control base station. The management and control system realizes wireless management and control for the electric actuating mechanisms by utilizing the Internet of things, that is, field equipment are managed and controlled remotely through a wireless network, thereby not only capable of performing remote control on the operating state of the field equipment, but also capable of sending various instruction to the controlled equipment, reading state information and feeding back the state information to a master control room so as to perform real-time management and control. In addition, the management and control system further has the advantages of wide coverage, safety, reliability, convenient maintenance, low cost and the like.
Description
Technical field
The present invention relates to internet of things data acquisition is and in particular to a kind of wireless management and control system of Internet of Things intelligent electric actuating mechanism
System and its method of work.
Background technology
The management and control technology development ratio of pipe network system is very fast at present, and most of pipe network has all built wireless control system, greatly
Improve management and control efficiency.But for the control of valve, major part all also rests on cable control system, with intelligence
Change the development of urban construction and wireless communication technology, traditional wire controls the particularly evident, if desired for laying of many drawback embodiments
A large amount of cables, construction investment are big, maintenance cost is high etc., therefore, are no longer used in a lot of occasions.
Content of the invention
It is an object of the invention to provide a kind of managing and control system and its method of work, to realize electric operator is carried out far
Journey data acquisition and management control.
In order to solve above-mentioned technical problem, the invention provides a kind of managing and control system, including：
Several control base stations, this control base station is suitable to gather the status data of corresponding electric operator, and to electronic
Actuator sends corresponding control instruction data；And control master station, for collecting the status data of each control base station collection, and
Send corresponding control instruction data to each control base station.
Further, described control base station includes：Signal converting controller, the wireless network being connected with this signal converting controller
Close；Described signal converting controller is suitable to communicate wirelessly with controlling master station by radio network gateway.
Further, described signal converting controller includes：Processor module, two 485 being connected with this processor module are led to
News module, wherein 1 communication modules are connected with radio network gateway, and another 485 communication modules are connected with electric operator.
Further, described signal converting controller also includes：Least one set analog input, delivery outlet, some digital quantities
Input, delivery outlet；Wherein
Described analog quantity input corresponds to Analog input mModule；
Described Analog input mModule includes：In-phase proportion computing circuit, and be connected with this in-phase proportion computing circuit
Voltage follower；Described voltage follower is connected with analog-to-digital conversion module, and analog data is converted to digital data
Send to processor module；And
Described analog output mouth corresponds to analog output module；
Described analog output module includes：The digital isolator being connected with processor module, described processor module is fitted
In output pwm signal to be inputted to analog quantity modular converter by digital isolator, this analog quantity modular converter is suitable to according to PWM
Signal passes through the analog quantity output signals driving audion Q1 to control analog output mouth.
Further, described analog quantity modular converter includes：First, second integrated operational amplifier, wherein
The in-phase end of the first integrated operational amplifier is connected with the outfan of digital isolator by resistance R3, and this first
The end of oppisite phase of integrated operational amplifier is connected with the outfan of the first integrated operational amplifier by RC parallel circuit；And it is described
It is also associated with electric capacity between the outfan of the outfan of digital isolator and the first integrated operational amplifier；
The outfan of described first integrated operational amplifier connects the homophase of the second integrated operational amplifier by resistance R5
End, the end of oppisite phase of this second integrated operational amplifier is connected with the emitter stage driving audion Q1, this four integrated operational amplifier
Outfan pass through resistance R7 with drive audion Q1 base stage be connected；The colelctor electrode of described driving audion Q1 and a stabilivolt
The anode of TVS2 is connected, and a power supply is connected with the anode of diode D2, the anode of wherein said stabilivolt TVS2 and two poles
The negative electrode of pipe D2 is as one group of analog output mouth.
Further, each digital quantity input port corresponds to digital quantity input module, and described digital quantity input module includes：Some light
Coupling device, each optocoupler corresponds to respective digital amount input port respectively, and
Described processor module is expanded IO by shift register and is controlled each optocoupler；And
Each digital output mouth corresponds to digital output module, and described digital output module includes：
The high current Darlington being connected with each digital output end of processor module, this high current Darlington
Each outfan respectively by corresponding relay module export respective digital amount signal.
Further, described processor module is also connected with human-computer interaction interface；And described control base station with control master station
Circuit structure identical.
Another aspect, present invention also offers a kind of method of work of managing and control system.
The method of work of described managing and control system includes：Some control base station Real-time Collections accordingly electronic execution by distribution
The status data of mechanism, and send corresponding control instruction data to electric operator；And collect each control by controlling master station
The status data of base station processed collection simultaneously sends corresponding control instruction data to each control base station.
Further, described control base station includes：Signal converting controller, the wireless network being connected with this signal converting controller
Close；The locally asynchronous serial data that wherein said radio network gateway is suitable to send signal converting controller is modulated into wireless expansion
Frequency signal, sends corresponding state data to control master station；And pass through the wireless spread-spectrum signal that described radio network gateway will receive
Send to signal converting controller after being demodulated to locally asynchronous serial data, send corresponding control to electric operator and refer to
Order.
Further, the status data that described control master station is further adapted for being gathered each control base station collecting is uploaded to upper
Machine, and by host computer through controlling master station to issue control instruction to each control base station.
The invention has the beneficial effects as follows, the present invention realizes the wireless management and control of electric operator using Internet of Things, that is, pass through
The each field apparatus of wireless network remote-control, not only can carry out remotely control to its working condition, but also can be to controlled
Equipment sends various instructions, read status information, feeds back to Master Control Room and carries out real-time management and control, and the managing and control system of the present invention is also
There is broad covered area, the advantages of safe and reliable, easy to maintenance, low cost.
Brief description
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the theory diagram of the managing and control system of the present invention；
Fig. 2 is the peripheral pin figure of the processor of the present invention；
Fig. 3 is the circuit theory diagrams of the one 485 communication module of the present invention；
Fig. 4 is the circuit theory diagrams of the 2nd 485 communication module of the present invention；
Fig. 5 is the circuit theory diagrams of the Analog input mModule of the present invention；
Fig. 6 is the circuit theory diagrams of the analog output module of the present invention；
Fig. 7 is the circuit theory diagrams of the digital quantity input module of the present invention；
Fig. 8 is the circuit theory diagrams of the digital output module of the present invention.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only with
Illustration illustrates the basic structure of the present invention, and therefore it only shows the composition relevant with the present invention.
Embodiment 1
As shown in figure 1, the present embodiment 1 provides a kind of managing and control system, including：Several are used for and electric operator phase
Control base station even, this control base station is suitable to gather the status data of corresponding electric operator, and sends out to electric operator
Send corresponding control instruction data；For collecting the status data of each control base station collection, and send corresponding control to each control base station
The control master station of system instruction, i.e. wireless center control master station, and specially one master station's control chamber.Wherein, described wireless center control
Master station processed is such as, but not limited to connect 32 control base stations, as shown in figure 1,1# control base station is to 32# control base station.
Described control base station is specially a base station control chamber, and includes：Signal converting controller, with this signal conversion and control
The radio network gateway that device is connected（I.e. intelligent radio gateway）；Described signal converting controller is suitable to by radio network gateway and control master station
Communicate wirelessly.
Described signal converting controller includes：Processor module, first, second 485 being connected with this processor module are logical
News module, the wherein the 1st communication module is connected with radio network gateway, and the 2nd 485 communication module and electric operator phase
Even.
As shown in Fig. 2 described processor module such as but not limited to adopts PIC45K80.
As shown in Figure 3 and Figure 4, first, second 485 communication modules can also be according to need using identical circuit structure
Will be using different circuit structures, such as in the one 485 communication module, 485 communication chip MDL3 are such as, but not limited to adopt
MDL3TD501D485, it is ADUM1201 that the 2nd 485 communication module such as but not limited to adopts chip U1, and chip U5 is MAX485
Constitute.
Wherein, described electric operator is such as, but not limited to intelligentized electric valve, the control mould of this intelligentized electric valve
Block is connected with signal converting controller by 485 buses.One control base station is such as, but not limited to corresponding 32 intelligent dynamoelectric valves
Door.
Described signal converting controller also includes：Least one set analog input, delivery outlet, the input of some digital quantities, defeated
Outlet.
As shown in figure 5, described analog quantity input corresponds to Analog input mModule；Described Analog input mModule includes：
In-phase proportion computing circuit, and the voltage follower being connected with this in-phase proportion computing circuit；Described voltage follower and mould
Number modular converter U8 is connected, and analog data is converted to digital data and sends to processor module；Wherein, in-phase proportion
Computing circuit and voltage follower are made up of the corresponding LM385 of integrated transporting discharging chip U7, and analog-to-digital conversion module U8 for example but
It is not limited to adopt MCP3221.
As shown in fig. 6, described analog output mouth corresponds to analog output module；Described analog output module includes：
The digital isolator U1 being connected with processor module, described processor module is suitable to output pwm signal with by digital isolator
Input to analog quantity modular converter, this analog quantity modular converter is suitable to pass through to drive audion Q1 to control simulation according to pwm signal
The analog quantity output signals of amount delivery outlet.Wherein, described digital isolator U1 such as but not limited to adopts ADUM1201.
Specifically, described analog quantity modular converter includes：First, second integrated operational amplifier, the wherein first integrated fortune
The in-phase end calculating amplifier is connected with the outfan of digital isolator by resistance R3, and this first integrated operational amplifier is anti-
Mutually end is connected with the outfan of the first integrated operational amplifier by RC parallel circuit；And the outfan of described digital isolator
It is also associated with electric capacity and the outfan of the first integrated operational amplifier between；The outfan of described first integrated operational amplifier leads to
Cross the in-phase end that resistance R5 connects the second integrated operational amplifier, the end of oppisite phase of this second integrated operational amplifier and driving three poles
The emitter stage of pipe Q1 is connected, and the outfan of this four integrated operational amplifier passes through resistance R7 and drives the base stage phase of audion Q1
Even；The colelctor electrode of described driving audion Q1 is connected with the anode of a stabilivolt TVS2, and a 24V power supply is with diode D2's
Anode is connected, and the anode of wherein said stabilivolt TVS2 and the negative electrode of diode D2 are as one group of analog output mouth.
Wherein, first, second integrated operational amplifier is suitable for use with integrated computation chip U2, i.e. LM2904.
As shown in fig. 7, each digital quantity input port corresponds to digital quantity input module, described digital quantity input module includes：If
Dry optocoupler, each optocoupler corresponds to respective digital amount input port respectively, and described processor module passes through shift LD
Device U10 expands IO to control each optocoupler.Wherein, shift register U10 such as but not limited to adopts 74LS165.
As shown in figure 8, each digital output mouth corresponds to digital output module, described digital output module includes：With
The high current Darlington IC1 that each digital output end of processor module is connected, this high current Darlington IC1's is each
Outfan exports respective digital amount signal by corresponding relay module respectively.Wherein, described high current Darlington IC1 example
Such as, but not limited to, adopt ULN2003.
Described processor module is also connected with human-computer interaction interface；And described control base station and the circuit knot controlling master station
Structure is identical.
Embodiment 2
On the basis of embodiment 1, present invention also offers a kind of method of work of wireless managing and control system.
Described method of work passes through the status data of the corresponding electric operator of some control base station Real-time Collections of distribution,
And send corresponding control instruction data to electric operator；And collect the state of each control base station collection by controlling master station
Data simultaneously sends corresponding control instruction data to each control base station.
Described control base station includes：Signal converting controller, the radio network gateway being connected with this signal converting controller；Wherein
The locally asynchronous serial data that described radio network gateway is suitable to send signal converting controller is modulated into wireless spread-spectrum signal,
Send corresponding state data to control master station；And the wireless spread-spectrum signal receiving is demodulated by cost by described radio network gateway
Send to signal converting controller after ground asynchronous serial-port data, send corresponding control instruction to electric operator.
The described status data controlling master station to be further adapted for being gathered each control base station collecting is uploaded to host computer, and leads to
Cross host computer through controlling master station to issue control instruction to each control base station.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff is complete
Entirely various change and modification can be carried out in the range of without departing from this invention technological thought.The technology of this invention
The content that property scope is not limited in description it is necessary to determine its technical scope according to right.
Claims (10)
1. a kind of managing and control system is it is characterised in that include：
Several control base stations, this control base station is suitable to gather the status data of corresponding electric operator, and to electronic execution
Mechanism sends corresponding control instruction data；And
Control master station, for collecting the status data of each control base station collection, and send corresponding control instruction to each control base station
Data.
2. managing and control system according to claim 1 it is characterised in that
Described control base station includes：Signal converting controller, the radio network gateway being connected with this signal converting controller；
Described signal converting controller is suitable to communicate wirelessly with controlling master station by radio network gateway.
3. managing and control system according to claim 2 it is characterised in that
Described signal converting controller includes：Processor module, two 485 communication modules being connected with this processor module, wherein
One 485 communication modules are connected with radio network gateway, and
Another 485 communication modules are connected with electric operator.
4. managing and control system according to claim 3 it is characterised in that
Described signal converting controller also includes：Least one set analog input, delivery outlet, some digital quantity inputs, delivery outlet；
Wherein
Described analog quantity input corresponds to Analog input mModule；
Described Analog input mModule includes：In-phase proportion computing circuit, and the electricity being connected with this in-phase proportion computing circuit
Pressure follower；Described voltage follower is connected with analog-to-digital conversion module, analog data is converted to digital data and sends
To processor module；And
Described analog output mouth corresponds to analog output module；
Described analog output module includes：The digital isolator being connected with processor module, described processor module is suitable to defeated
Go out pwm signal to input to analog quantity modular converter by digital isolator, this analog quantity modular converter is suitable to according to pwm signal
Control the analog quantity output signals of analog output mouth by driving audion Q1.
5. managing and control system according to claim 4 it is characterised in that
Described analog quantity modular converter includes：First, second integrated operational amplifier, wherein
The in-phase end of the first integrated operational amplifier is connected with the outfan of digital isolator by resistance R3, and this is first integrated
The end of oppisite phase of operational amplifier is connected with the outfan of the first integrated operational amplifier by RC parallel circuit；And
It is also associated with electric capacity between the outfan of the outfan of described digital isolator and the first integrated operational amplifier；
The outfan of described first integrated operational amplifier connects the in-phase end of the second integrated operational amplifier by resistance R5, should
The end of oppisite phase of the second integrated operational amplifier is connected with the emitter stage driving audion Q1, the output of this four integrated operational amplifier
End is connected with the base stage driving audion Q1 by resistance R7；
The colelctor electrode of described driving audion Q1 is connected with the anode of a stabilivolt TVS2, and the sun of a power supply and diode D2
Extremely connected, wherein
The negative electrode of the anode of described stabilivolt TVS2 and diode D2 is as one group of analog output mouth.
6. managing and control system according to claim 5 it is characterised in that
Each digital quantity input port corresponds to digital quantity input module, and described digital quantity input module includes：Some optocouplers, each light
Coupling device corresponds to respective digital amount input port respectively, and
Described processor module is expanded IO by shift register and is controlled each optocoupler；And
Each digital output mouth corresponds to digital output module, and described digital output module includes：
The high current Darlington being connected with each digital output end of processor module, this high current Darlington each
Outfan exports respective digital amount signal by corresponding relay module respectively.
7. managing and control system according to claim 6 it is characterised in that
Described processor module is also connected with human-computer interaction interface；And
Described control base station is identical with the circuit structure controlling master station.
8. a kind of method of work of managing and control system it is characterised in that
By the status data of the corresponding electric operator of some control base station Real-time Collections of distribution, and to electric operator
Send corresponding control instruction data；And
Collect the status data of each control base station collection by controlling master station and to each control base station corresponding control instruction number of transmission
According to.
9. managing and control system according to claim 8 method of work it is characterised in that
Described control base station includes：Signal converting controller, the radio network gateway being connected with this signal converting controller；Wherein
The locally asynchronous serial data that described radio network gateway is suitable to send signal converting controller is modulated into wireless frequency expansion
Signal, sends corresponding state data to control master station；And
By described radio network gateway, the wireless spread-spectrum signal of reception is demodulated to send after locally asynchronous serial data and turns to signal
Changer controller, sends corresponding control instruction to electric operator.
10. managing and control system according to claim 9 method of work it is characterised in that
The described status data controlling master station to be further adapted for being gathered each control base station collecting is uploaded to host computer, and by upper
Position machine issues control instruction through controlling master station to each control base station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610933111.7A CN106406259A (en) | 2016-11-01 | 2016-11-01 | Internet of things intelligent electric actuating mechanism wireless management and control system and operating method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610933111.7A CN106406259A (en) | 2016-11-01 | 2016-11-01 | Internet of things intelligent electric actuating mechanism wireless management and control system and operating method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111225397A (en) * | 2020-01-18 | 2020-06-02 | 温州大学大数据与信息技术研究院 | Enterprise wireless network optimization computer analysis system based on Internet of things |
| CN111679614A (en) * | 2020-06-29 | 2020-09-18 | 潍柴重机股份有限公司 | Engine remote control system and control method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3541513A (en) * | 1967-09-01 | 1970-11-17 | Gen Electric | Communications control apparatus for sequencing digital data and analog data from remote stations to a central data processor |
| US5915667A (en) * | 1995-04-27 | 1999-06-29 | Samsung Electronics Co., Ltd. | Proportional solenoid valve control system |
| CN101149617A (en) * | 2007-10-22 | 2008-03-26 | 常州天鹅科技有限公司 | Wireless valve remote control system and its control method |
| CN102902252A (en) * | 2012-09-24 | 2013-01-30 | 湖南大学 | Vehicle control unit for unmanned electric vehicle |
| CN104540285A (en) * | 2014-12-25 | 2015-04-22 | 厦门格绿能光电股份有限公司 | Dali lamp controller |
| CN105805386A (en) * | 2016-04-16 | 2016-07-27 | 中交第三航务工程局有限公司 | Valve remote control system and method for controlling pile washing out |
| CN206460315U (en) * | 2016-11-01 | 2017-09-01 | 常州兰陵自动化设备有限公司 | Internet of Things intelligent electric actuating mechanism is wireless managing and control system |
-
2016
- 2016-11-01 CN CN201610933111.7A patent/CN106406259A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3541513A (en) * | 1967-09-01 | 1970-11-17 | Gen Electric | Communications control apparatus for sequencing digital data and analog data from remote stations to a central data processor |
| US5915667A (en) * | 1995-04-27 | 1999-06-29 | Samsung Electronics Co., Ltd. | Proportional solenoid valve control system |
| CN101149617A (en) * | 2007-10-22 | 2008-03-26 | 常州天鹅科技有限公司 | Wireless valve remote control system and its control method |
| CN102902252A (en) * | 2012-09-24 | 2013-01-30 | 湖南大学 | Vehicle control unit for unmanned electric vehicle |
| CN104540285A (en) * | 2014-12-25 | 2015-04-22 | 厦门格绿能光电股份有限公司 | Dali lamp controller |
| CN105805386A (en) * | 2016-04-16 | 2016-07-27 | 中交第三航务工程局有限公司 | Valve remote control system and method for controlling pile washing out |
| CN206460315U (en) * | 2016-11-01 | 2017-09-01 | 常州兰陵自动化设备有限公司 | Internet of Things intelligent electric actuating mechanism is wireless managing and control system |
Non-Patent Citations (1)
| Title |
|---|
| 渤海船舶重工有限公司: "《高级船舶电工操作技能》", 哈尔滨工程大学出版社, pages: 186 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111225397A (en) * | 2020-01-18 | 2020-06-02 | 温州大学大数据与信息技术研究院 | Enterprise wireless network optimization computer analysis system based on Internet of things |
| CN111679614A (en) * | 2020-06-29 | 2020-09-18 | 潍柴重机股份有限公司 | Engine remote control system and control method |
| CN111679614B (en) * | 2020-06-29 | 2021-07-20 | 潍柴重机股份有限公司 | Remote control system and control method for generator |
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