CN101482748A - Novel remote monitoring system - Google Patents
Novel remote monitoring system Download PDFInfo
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- CN101482748A CN101482748A CNA2008102029795A CN200810202979A CN101482748A CN 101482748 A CN101482748 A CN 101482748A CN A2008102029795 A CNA2008102029795 A CN A2008102029795A CN 200810202979 A CN200810202979 A CN 200810202979A CN 101482748 A CN101482748 A CN 101482748A
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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
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Abstract
The present invention relates to a novel remote monitoring system. The method of the invention uses a serial-port communication device and breaks through the display of existing monitoring system to number of controlled device at the state that the layout of existing device is not altered as possible. The centralized control and management of large amount of controlled devices are realized. Thereby the convenience for remotely controlling the remote device in industrial control occasion is remarkably increased. Simultaneously the reliability for managing and controlling the remote device is greatly strengthened. The method of the invention has the advantages of better robustness, simple structure, low cost and excellent extendibility. Therefore the invention is suitable for various occasions which require remote control and monitoring, and is especially suitable for large-scale application of industrial control occasion.
Description
Technical field
The present invention relates to a kind of novel remote monitoring system.This system is by traditional serial communication equipment, utilize unique multi-computer communication agreement, broken through the restricted number of existing system to controlled device, realized centralized control and management to a large amount of controlled devices, for the industrial occasions of the extensive monitoring of needs provide convenience, reliably, the supervisory system that more has practical value.
Background technology
Along with the continuous progress in epoch, human also growing to the demand of Long-distance Control and monitoring.
In large-scale industrial control system, the operation conditions of various device need inform operating personnel strictly according to the facts so that management and control.And in some specific occasions, it is resident for a long time often to be not suitable for operating personnel, and this just needs the state of remote supervisory and control(ling) equipment, and can realize the Long-distance Control to equipment.In addition, utilize Long-distance Control can make individual's supervision multiple devices, manage concentratedly, make total system be easy to control and operation, improved the efficient of work significantly.Long-distance Control can make the control personnel avoid running and making an inspection tour of repetition, has saved the man power and material greatly.In daily life, also be flooded with a large amount of examples of Long-distance Control and monitoring.So, Long-distance Control and the monitoring we work and the life in playing the part of more and more important role.
The Long-distance Control that we adopted refers generally on network by the leave away technology of another computer of control of a computer long distance, promptly by the network control far-end computer now.According to the Long-distance Control supervisory system of existing conceptual design, need by flourishing network, be media control slave by industrial computer or computer.This just needs to change existing layout and high cost and the maintenance cost of expenditure.In addition, corresponding operating personnel must grasp certain computer control, operated from a distance and control knowledge.These require not only to existing industrial layout, and hardware cost and operating personnel's professional knowledge has proposed great challenge, and upgrading is provided with huge obstacle with the monitoring direction to Long-distance Control for device systems.
The method applied in the present invention is not being made material alteration to existing industrial layout, just can realize need not Long-distance Control and the monitoring that the professional person carries out with cheap cost.Be particularly useful for a large amount of Industry Control occasion now.
Summary of the invention
The objective of the invention is to provide at the application demand of reality a kind of flexible, practical reliable, extendability is very strong, long distance control system cheaply, and a large amount of controlled devices are carried out centralized control and management.
In order to achieve the above object, design of the present invention is only to take a serial ports channel, realizes the communication of point-to-multipoint.Main control end sends to controlled device to control command or querying command, at first carries out identification after controlled device receives data.If what control end sent is control command, controlled device is then carried out the instruction that control end sends, and replys " receiving signal " after finishing with carrying out; What send as control end is querying command, and then controlled device detects self current state, and state is replied to control end (for example PC) by data-interface.Control end does not receive in the certain hour after sending packet that replying of controlled device just thinks automatically that controlled device has removed and to control end reflection corresponding information.
According to above-mentioned inventive concept, the present invention adopts following technical proposals:
Native system is a kind of point-to-multipoint long distance control system based on serial communication equipment.Mainly by the supervising device that is used for controlled terminal, data distributor, be used for the system that the main control equipment of control end is formed.Supervising device mainly is placed in the monitored device end, not only can monitor the duty of slave by supervising device, can also send to controlled device to the steering order of main control equipment, plays the control action to slave.Data distributor mainly distributes the interaction data between main control equipment and the supervising device, transmission direction (still transmitting data by main control equipment to supervising device to main control equipment by supervising device) by judgment data is modulated or demodulation operation accordingly to sending the data of coming to, again to the corresponding data of corresponding target device transmission.Main control equipment is on the one hand to each slave transmitting control commands, to change the mode of operation of slave on demand; Receive the state that supervising device sends up on the other hand, and in time understand the duty of slave according to the state parameter of uploading.The serial equipment of the data-interface employing TTL interface of all supervising devices links to each other with the data-interface on the data distributor.All be connected in parallel on the data-interface of data distributor with all on the way supervising devices.The data line that the data-interface of all data distributors is drawn is connected on the data-interface of main control equipment with parallel way again.On the whole, each different supervising device is linked main control equipment in parallel, thereby has realized the function that any a plurality of supervising devices and main control equipment communicate on a serial ports channel.
Above-mentioned supervising device is provided with device and is formed by peripheral pin, microprocessor, data-interface, the knowledge of letter leader.Peripheral pin can be used for the duty of control break subordinate controlled device.Simultaneously, can expand the duty of various sensors by peripheral pin with the monitoring controlled device.When realizing each device control function, microprocessor receives the control command of main control equipment by data-interface, and handles control commands corresponding, controls the duty of controlled device by the state that changes corresponding peripheral pin.When realizing the controlled device monitoring function, microprocessor obtains the running parameter of controlled device by the state of the part pin on the peripheral pin, and by data-interface the corresponding data of controlled device is sent to main control equipment.Data-interface links to each other with interface on the data distributor, makes data distributor can receive data from all supervising devices and main control equipment.The knowledge of letter leader is provided with device to be known for each unique letter leader of independently monitoring in the system of being arranged on, determines different equipment and position with this.
Data distributor is made up of data-interface and modulator-demodular unit, realizes distribution and control to the data transfer direction between main control equipment and the supervising device.
Main control equipment is made up of CPU (central processing unit), storage unit, display unit, push-button unit, data-interface, PC interface.The work of central processing unit controls system is the core of whole long distance control system.The algorithm that uses single serial ports channel to realize that many arbitrarily supervising devices and main control equipment communicate is realized by CPU (central processing unit).Data storage cell is connected with CPU (central processing unit), by the read-write capability of central processing unit control store unit, controlled device numbering and situation that abnormal conditions occur is placed on record.Data storage cell links to each other with display unit by data-interface, and the state of real-time roll display controlled device on display unit is for operating personnel's inquiry; CPU (central processing unit) also connects data distributor by data-interface, and the instruction that obtains the controlled device status information thus or send change work at present pattern to controlled device.Central processing unit links to each other with PC by the PC interface, shows the state of each controlled device on the PC interface.Push-button unit can be provided with some parameters of system and access the historical data that is stored in the storage unit and show for inquiry on display unit.
The present invention compared with prior art, have following conspicuous outstanding substantive features and remarkable advantage: existing method is monitored a plurality of equipment, often limited the quantity of controlled device owing to hardware reason, support 128 branch roads at most such as utilizing the I2C bus to carry out data communication, just often seem unable to do what one wishes for large-scale industrial occasions, and want the interface of design specialized for this reason.The present invention only takies the signal that a serial ports channel just can receive and transmit any multichannel, any a plurality of equipment, has broken through original method to the quantitative restriction of controlled device and do not need special design specialized interface, does not need to change existing layout.These bus structure have the characteristics of flexibility and reliability, are convenient to expand at any time the new equipment of interpolation.By common single-chip microcomputer is that core constitutes supervising device, need not use computer or industrial computer can finish monitoring function, has saved cost greatly.The present invention has simplified operating process and interface, even without special knowledge, also can operate native system freely.For the industrial occasions of the extensive monitoring of needs provide convenience, reliably, the supervisory system that more has practical value.
Description of drawings:
Fig. 1 is a novel remote monitoring system general structure synoptic diagram
Fig. 2 is the structural representation of the supervising device of native system
Fig. 3 is the data distributor structural representation of native system
Fig. 4 is the main control equipment structural representation of native system
Embodiment:
The present invention uses in centralized intelligence message protection equipment, details are as follows below in conjunction with this example and accompanying drawing: as Fig. 1, main control equipment 3 is connected to data distributor 2 by data-interface 305, and, realize the data interaction of supervising device 1 and main control equipment 3 as requested by the transmission direction of data distributor 2 distribute data.Main control equipment 3 can link to each other with PC by PC interface 306, shows the state of each controlled device on the PC interface, to the operator with interface intuitively.The data-interface 305 of main control equipment 3 links to each other with display unit 303 again, shows the duty of current each equipment on the liquid crystal display interface, even without PC, still can give operating personnel close friend's interface and is convenient to total system is controlled.
When monitoring each controlled device, its course of work is mainly as follows:
1. long distance control system is carried out initialization: at first, the normal operating conditions parameter of all controlled devices is deposited in the storer of main control equipment 3, so that whether the actual working state contrast with each controlled device is in normal operating conditions thereby obtain each equipment.Secondly, each supervising device 1 electrifying startup enters the initialization state, waits for the instruction from main control equipment 3.
2. main control equipment 3 just sends querying command to supervising device 1 at set intervals, is used for the duty to supervising device 1 its corresponding controlled device of inquiry.
3. the querying command of main control equipment 3 is sent to data distributor 2.Data distributor 2 all supervising devices 1 in system are transmitted this order.
4. the numbering that in the querying command that supervising device 1 sends, comprises the controlled device that to monitor.It is one to one that this numbering and its letter leader are known the letter leader knowledge that device 104 settings are set.So each supervising device 1 after receiving querying command, can learn whether main control equipment 3 requires to inquire about the state of this machine.If supervising device 1 is not called out by main control equipment 3, then this supervising device 1 is not done and is replied.
5. receive the calling of main control equipment 3 as supervising device 1, supervising device 1 is replied the duty of current device as requested to main control equipment 1.After main control equipment 3 is received answer, at first the data of coming self-monitoring device 1 are handled, obtained the duty of current controlled device.The state of controlled device is presented on the display module, also can the display monitoring result under the PC environment.Data after handling will send to the PC end by serial ports, can control and monitor all equipment by the PC end.Main control equipment 3 does not receive in the certain hour after sending packet that replying of supervising device 1 just thinks automatically that controlled device has removed and to control end reflection corresponding information.
When monitoring each controlled device, its course of work is mainly as follows:
1. long distance control system is carried out initialization: at first, the normal operating conditions parameter of all controlled devices is deposited in the storer of main control equipment 3, so that whether the actual working state contrast with each controlled device is in normal operating conditions thereby obtain each equipment.Secondly, each supervising device 1 electrifying startup enters the initialization state, waits for the instruction from main control equipment 3.
2. operating personnel control each controlled device change work at present state by control interface or the action button of PC.PC control interface provides visual and operating environment hommization for operating personnel, and control command sends to main control equipment 3 by serial ports.And action button is not have the situation of PC in order to guarantee, still can effectively operate whole long distance control system, has improved reliability.
3. send control command by data distributor 2 to supervising device 1 from master control equipment 3.
4. if supervising device 1 is not called out by main control equipment 3, then this supervising device 1 is not done and is replied.
5. if supervising device 1 is called out by main control equipment 3, supervising device 1 executes instruction, and changes the duty of controlled device by the pin that changes supervising device 1.Send change state successful information by data distributor 2 to main control equipment 3 then, and this information is shown on the control interface.
Data-interface provides RS232 and two kinds of interface modes of TTL.
Claims (5)
1. a novel remote monitoring system is based on the thought of the point-to-multipoint telecommunication of serial communication equipment.Different with traditional long distance control system, native system does not have the restriction of controlled device quantity and must use the defective of PC as utility appliance.Mainly by the supervising device that is used for controlled terminal (1), data distributor (2), be used for the system that the main control equipment (3) of control end is formed.Supervising device (1) not only can be monitored the duty of slave, can also send to controlled device to the steering order of main control equipment, thus the control controlled device.Data distributor (2) is responsible for the data interaction between main control equipment (3) and the supervising device (1), the transmission direction of distribute data, feel to transmit data still to main control equipment (3) transmission data, and do adaptive modulation and demodulation according to transmission direction to supervising device (1).Main control equipment (3) is on the one hand to each controlled device transmitting control commands, to change the duty of controlled device on demand; Device for monitoring processing (1) sends the state of each controlled device that comes up on the other hand, in time understands the duty of slave according to these state parameters.Link to each other with the PC unit with display unit respectively with PC interface (306) by data-interface (305), on display unit (303) and PC interface, show the work at present state of each controlled device and normally whether.Storage unit (302) on the main control equipment (3) can be stored the controlled device that breaks down number and phenomenon of the failure, for inquiry in the future.
2. according to right 1 described novel remote monitoring system, its characteristics are to use single serial communication channel to realize that main control equipment (3) and any many supervising devices (1) communicate, and finish the monitoring to many arbitrarily controlled devices by this.The serial equipment of data-interface (103) the employing TTL interface of all supervising devices (1) links to each other with the data-interface (201) on the data distributor (2).All be connected in parallel on the data-interface (201) of data distributor (2) with all on the way supervising devices (1).The data line that the data-interface (201) of all data distributors (2) is drawn is connected on the data-interface (305) of main control equipment (3) with parallel way again.On the whole, each different supervising device (1) is linked (3) on the main control equipment in parallel.
3. according to right 1 described novel remote monitoring system, this system can break away from the PC restriction, still can realize the monitoring to system under no PC situation.Mainly realize by following means: the data-interface (305) of main control equipment (3) links to each other with the PC terminal with display unit (303) respectively with PC interface (306).Dynamically show current controlled device identification code and state at display unit (303).Also can intuitively see all system informations at the PC end.When not having the PC condition, also can see system information, thereby the equipment in the total system is effectively monitored from the display unit (303) of liquid crystal.
4. native system adopts 220V normal domestic alternating current that each unit module is carried out centrally connected power supply, and each module need not external power adapter or battery separately again, has strengthened the practicality of system greatly.Because the 220V alternating current is extensive use of in China, so can obtain very easily.Traditional approach need be independently-powered to each unit, and need monitor hundreds of devices in large-scale industry control occasion then needs hundreds of attaching plugs, seems very inconvenient, and increased the cost of cable laying greatly.The present invention adopts the mode of centrally connected power supply, can be to each unit independently---the unified power supply of supervising device (1), data distributor (2), main control equipment (3) and display unit (303), as long as cable just can be realized the power supply to total system.In order to guarantee the reliability of system, adopted dual power supply.Running under the situation of mains power failure, standby power supply will start automatically, guarantee the operate as normal of total system, and this situation is reported.
5. among the present invention signal is transmitted on service cable, do not need to lay in addition dedicated signal line, simplified the structure of total system, effectively reduce cost.At first signal is modulated to front end; Again modulated signal is put into service cable transmission, has modulated signal this moment in the cable and, modulated signal is transferred to signal transmitting apparatus (2) by cable to the power supply of each separate unit; Signal transmitting apparatus (2) leaches modulated signal by wave filter, again with the modulated signal demodulation.At last, the transmission direction of signal is agreed to distribute: when carrying out monitoring controlled device function,, the state parameter that monitors is transferred to main control equipment (3) by signal transmitting apparatus (2) by signal transmitting apparatus (2).When carrying out control controlled device function,, control command is sent to controlled device by signal transmitting apparatus (2).Because the industry spot environment is more complicated often, this scheme can reduce cable as much as possible, keeps original layout, simplied system structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008102029795A CN101482748A (en) | 2008-11-19 | 2008-11-19 | Novel remote monitoring system |
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| CNA2008102029795A CN101482748A (en) | 2008-11-19 | 2008-11-19 | Novel remote monitoring system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102385362A (en) * | 2011-09-14 | 2012-03-21 | 无锡市星亿涂装环保设备有限公司 | Remote control method, device and system |
| CN102616254A (en) * | 2011-01-27 | 2012-08-01 | 铁道部运输局 | Control method, equipment and system for railway passenger special line station interlocking machine |
| CN103064312A (en) * | 2012-12-12 | 2013-04-24 | 广州杰赛科技股份有限公司 | Display screen remote control system |
| CN103336492A (en) * | 2013-06-04 | 2013-10-02 | 国家电网公司 | A mixed industrial computer network control processing system |
| CN103473634A (en) * | 2013-08-29 | 2013-12-25 | 南京斯谱蓝自动化科技有限公司 | Digital audio-video library maintenance monitoring method |
| CN103529728A (en) * | 2013-09-25 | 2014-01-22 | 惠州市亿能电子有限公司 | Battery management system with various security detection functions |
| CN104750061A (en) * | 2013-12-27 | 2015-07-01 | 阿自倍尔株式会社 | Facility controlling system and history recording method |
| CN105371887A (en) * | 2014-08-14 | 2016-03-02 | 全智科技股份有限公司 | Multi-station circulation testing device |
| CN108789410A (en) * | 2018-06-26 | 2018-11-13 | 西华大学 | ABB robot long-distance control methods |
| CN109215147A (en) * | 2017-07-05 | 2019-01-15 | 北京万集科技股份有限公司 | A kind of roadside unit monitoring and managing method, apparatus and system |
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2008
- 2008-11-19 CN CNA2008102029795A patent/CN101482748A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616254A (en) * | 2011-01-27 | 2012-08-01 | 铁道部运输局 | Control method, equipment and system for railway passenger special line station interlocking machine |
| CN102385362A (en) * | 2011-09-14 | 2012-03-21 | 无锡市星亿涂装环保设备有限公司 | Remote control method, device and system |
| CN103064312A (en) * | 2012-12-12 | 2013-04-24 | 广州杰赛科技股份有限公司 | Display screen remote control system |
| CN103336492B (en) * | 2013-06-04 | 2016-02-10 | 国家电网公司 | A kind of mixed industrial computer network control disposal system |
| CN103336492A (en) * | 2013-06-04 | 2013-10-02 | 国家电网公司 | A mixed industrial computer network control processing system |
| CN103473634A (en) * | 2013-08-29 | 2013-12-25 | 南京斯谱蓝自动化科技有限公司 | Digital audio-video library maintenance monitoring method |
| CN103529728B (en) * | 2013-09-25 | 2016-03-23 | 惠州市亿能电子有限公司 | A kind of battery management system possessing multiple safety detection function |
| CN103529728A (en) * | 2013-09-25 | 2014-01-22 | 惠州市亿能电子有限公司 | Battery management system with various security detection functions |
| CN104750061A (en) * | 2013-12-27 | 2015-07-01 | 阿自倍尔株式会社 | Facility controlling system and history recording method |
| CN105371887A (en) * | 2014-08-14 | 2016-03-02 | 全智科技股份有限公司 | Multi-station circulation testing device |
| CN105371887B (en) * | 2014-08-14 | 2017-08-29 | 全智科技股份有限公司 | Multi-station cyclic test device |
| CN109215147A (en) * | 2017-07-05 | 2019-01-15 | 北京万集科技股份有限公司 | A kind of roadside unit monitoring and managing method, apparatus and system |
| CN109215147B (en) * | 2017-07-05 | 2021-02-12 | 北京万集科技股份有限公司 | Road side unit supervision method, device and system |
| CN108789410A (en) * | 2018-06-26 | 2018-11-13 | 西华大学 | ABB robot long-distance control methods |
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Open date: 20090715 |