CN1003681B - Automatic centralized remote monitoring system - Google Patents
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- CN1003681B CN1003681B CN87100353.8A CN87100353A CN1003681B CN 1003681 B CN1003681 B CN 1003681B CN 87100353 A CN87100353 A CN 87100353A CN 1003681 B CN1003681 B CN 1003681B
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Abstract
The present invention relates to a long-distance automatic centralized monitoring system which belongs to the field (G08B) of a monitoring system. The invention uses a microcomputer to carry out multifunctional monitoring and control to a flock of on-site stations which are respectively attached on a bus through a multiway bus. The system is composed of a microcomputer, a communication line, on-site station extension sets, on-site station sensors, actuating mechanisms, etc. A central station computer not only can collect output signals of various sensors of the on-site stations such as military warehouses, banks, etc. in a definite distance but also can order the actuating mechanisms such as cameras, electronic locks, etc. to act according to established procedures. The system has the advantages of high reaction speed, large vigilance area, long transmission distance, high reliability, low cost, low false alarm rate and missing alarm rate, etc.
Description
The invention belongs to the supervisory system technical field of being inquired substation by central station in order, ICL is G08B26/00(TPC the 4th edition).
This system is made up of on-the-spot station group of a central station main control computer multichannel and signal transmission apparatus.Wherein on-the-spot station can be a warehouse, as military storehouse, national treasury etc., also can be a buildings, as museum, bank etc.The central station controller is a microcomputer, and it is the core part of total system.It can gather all kinds of switching values at each on-the-spot station, the output signal of analog sensor, also can order various actuating units in each on-the-spot station, as gamma camera, thermo hydrograph regulator, electronic password lock, Electrically operated gate, defence topworks etc., program behavior is in accordance with regulations realized the purpose to a group on-the-spot station monitoring and control thus.
The technology relevant with the present invention has; Self-actuated controller, supervising device, warning device.ICL is respectively G05B11, G08C25, G08B(IPC the 4th edition).Retrieving the technology close with the present invention in Patent Office of the People's Republic of China document shop is Usupat4361832, approval on November 30 nineteen eighty-two, and its patent name is " centralized monitoring system automatically ", international Patent classificating number is G08B29/00, the H04M11/04(third edition).
The various supervisory systems of prior art (comprising the Usupat4361832 patent) exist following significantly not enough.
1. each road signal wire of system can only hold 1 or several, also is 15 on-the-spot station extension sets at the most.For the monitoring capacity that enlarges system must increase the monitoring way, promptly to increase signal wire.For remote monitoring system, increase way, it is a lot of that the signal wire cost is improved, sometimes or even unacceptable.The increasable way of system also has certain limitation in addition, so under monitoring occasion capacious, these systems seem powerless.
2. usually, each on-the-spot station requires the information of detection a lot, but each on-the-spot station extension set input signal channel of these systems is few, in order to finish the information detection task, must arrange station, a plurality of scene extension sets.
3. the central station controller is distributed in the touring working method that detects of each sensor employing at each on-the-spot station.More for a long time, the touring sense cycle of system is long in number of sensors, thereby has reduced the reaction velocity of system to anomalous event.Such as, when number of sensors is 10,000, system is 5 minutes to the reaction time of station, scene anomalous event, then the reaction time is 50 minutes as if 100,000 sensors.Obviously this can not make us accepting.Here each input channel of on-the-spot station extension set is only shared by a detector.
4. existing supervisory system all is custom-designed for a certain purpose mostly, thereby the versatility of system is not strong.
5. existing supervisory system does not have to be equipped with effectively the control circuit of the actuating unit of effect in real time, thereby anti-damage performance is poor.
The objective of the invention is to utilize a kind of new design philosophy, supervisory system is worked in a kind of brand-new mode.Compare with existing system: this system cost is low, and the monitoring capacity is big, and is fast to the anomalous event reaction velocity, the highly versatile of system, and system also is equipped with effectively the topworks of effect in real time, has improved the protection capability of system.
The present invention realizes its goal of the invention by the following technical solutions:
The one, central station controller is a microcomputer, and the central station computing machine carries out multifunctional monitoring to the on-the-spot station of a group that is articulated on the bus respectively by multiple bus.What system communication adopted is bus type communication structure and counting frequency division formula communication rule.Therefore can articulate large numbers of on-the-spot stations extension sets (can above 256) on each road bus of drawing from central station and can shorten the system communication contact time, the raising system is to the reaction velocity of station, scene incident, the reduction system cost.
Each on-the-spot station extension set of the 2nd, has a nearly hundreds of signal input channel.So not only can survey more information, and the complementary detection mode that can adopt several cheapnesss and have the same information of sensor detection of different operating principle, reduce the rate of false alarm and the rate of failing to report of system widely.
The 3rd. the information that each sensor at same on-the-spot station sends at first forms on-the-spot station owner's state through local or door voting circuit.During supervisory system work, the touring detection of central station is also stored all on-the-spot station owner's status signals, then these major state signals are analyzed, when finding that some on-the-spot station owner's state takes place when unusual, then, serve successively to determine the character of anomalous event according to these on-the-spot station service class height.After whole services finish, carry out the next round polling period again.The service class at on-the-spot station is by the software definition of microcomputer.
The 4th. explanation of each on-the-spot station detector's status is by the software definition of microcomputer, this just allows to use various possible detectors at each on-the-spot station of system, each the on-the-spot station character that is system is arbitrarily, can be arm store, national treasury, timber field, museum, hotel etc.
The 5th. each on-the-spot station extension facility of system has the defence actuator controller, can control defence topworks in real time effectively.This mechanism is subjected to the dual control of on-the-spot station owner's sensor and main control computer.When station, scene aiding sensors detects anomalous event (steal, destroy) when being about to take place, main control computer is removed three roads insurance to topworks (open circuit, short circuit, power supply open circuit) immediately, makes defence topworks enter armed state.In case when this moment, master reference detected anomalous event, defence topworks acted on immediately, has played defense function effectively.
Because defence topworks can be equipped in the system for field station, for the sake of security, system is divided into following four duties.
1. safe condition: the system that is in a safe condition, only play supervisory function bit to the station, scene.Generally when the competent person entered on-the-spot station, this station, scene should be in a safe condition.At this moment, the defence topworks at this station, scene is in a safe condition, and can never act on.
2. first-degree alert state: be in the station, scene of first-degree alert state, only have warning function, do not have defense function.
3. the secondary state of alert; The technical program five described exactly on-the-spot stations are in the situation of the secondary state of alert.This is a basic duty, other each duty all thus state derive from.
4. three grades of states of alert: very important on-the-spot station should be in three grades of states of alert.Be characterized in that after the system chambers external signal line is destroyed its defence topworks is still preceding the same with end destruction, has defense function.Each on-the-spot station is in any state actually, can be defined by software.
The 6th. the on-the-spot station owner's state of supervisory system is should the station, scene during extension set by the central station computer addressing, is formed by the address of this station, scene extension set.
The 7th. the addressing signal that computing machine sends not only can addressing, and can monitor whether communication line is unimpeded.The addressing signal is inserted first signal input channel of on-the-spot station extension set, can form the whether unimpeded line state signal of sign communication line.
The present invention has compared following remarkable advantage with prior art:
The one, quantity of standing at the scene is big, distance, and detector quantity is many, and it is little to be tied to form this increase rate under the type complicated situation.
The reaction velocity of the 2nd, system is fast.System can hold thousands of on-the-spot station extension sets, and every extension set can hold up to a hundred sensors, and in 2 seconds station, scene anomalous event is reacted.
The 3rd. system's highly versatile.Because the meaning of central station display station signal lamp can arbitrarily be changed, system software also is easy to change, thereby applicable to various occasion.
The 4th. system has very strong defense function, and self has certain survivability.
The 5th. duty, service class, the COS at the explanation of on-the-spot station owner's state, each sensor states, each on-the-spot station define by computer software.
The embodiment of the invention is as follows by description of drawings:
Figure one is a system chart.System adopts a microcomputer 1 as the central station controller, and central station is drawn four road communication buses 3,4,5,6 by interface circuit 2, and each road bus is made up of a pair of twisted-pair feeder or a pair of optical cable; Can articulate 333 on-the-spot station extension sets 11 on each road bus, each on-the-spot station extension set has 100 switching value signal input channels, 10 analog signals input channels, tens switching value signal output channels.
Figure two is block diagrams of on-the-spot station extension set 11.It is made up of signal driving/receiver 12, addressing device 13, data looger 14, spot sensor 15, actuator controller 16, topworks 17 etc.
When system began to patrol and examine beginning, at first computing machine 1 sent the zero clearing synchronizing signal by the on-the-spot station of all on four tunnel buses of interface circuit 2, signal driving/ receiver 7,8,9,10 extension set 11.Then, computing machine sends first addressing pulse by four tunnel buses to all station, scene extension set addressing devices 13.At this moment, have only and chosen simultaneously by separately first on-the-spot station extension set on four tunnel buses of hardware agreement in advance, then, read and store these four on-the-spot station extension sets from this four tunnel bus simultaneously, data looger 14, the major state signal then sends second addressing pulse, at this moment, four major state signals that read are from separately second on-the-spot station extension set on four tunnel buses.Then send the 3rd, the 4th addressing pulse again ..., up to all on-the-spot station extension set gatings and read the major state signal that has stored them till.Then these major state signals being analyzed, whether have anomalous event take place, if do not have if distinguishing, then enter the next round polling period, otherwise, the station, scene that anomalous event is arranged to be served, SO service order is according to being undertaken by the height of the service class of software definition in advance.
Figure three is theory diagrams of on-the-spot station extension set addressing device 13, is made up of reset circuit 20, counting/frequency divider 19, decoding/latch 18 etc.Its function is that the address from central station is deciphered, if address code that should station, scene extension set then orders the electronic switch between this station, scene extension set and communication bus to be opened, cuts off getting in touch between other on-the-spot station extension set and the bus.Addressable controller is basic engineering with the frequency-dividing counter, when step-by-step counting reaches predetermined value, the gating output signal can be arranged, and under the situation of other value, all do not have gating signal to export, She Ji advantage is to reduce system response time like this, not only improve system operation time, and reduced system cost.
Figure four is on-the-spot station data looger 14 theory diagrams.When the strobe pulse of central station computing machine was in low level, to be high level formed data looger or a voting state by 10 2 inputs or door and 10 2 input rejection gates to clear circuit output terminal R, and this voting state is exactly the major state of this station, scene extension set.Be in or during door voting state,, 100 switching value signal input channel K be described then in system if signal output part does not have signal.One K
99Middle neither one passage has the signal input.Otherwise, have at least an input channel that the signal input is arranged.In order to distinguish that those passages have the signal input, microcomputer must send the strobe pulse of a regulation to this detecting device, and making clear circuit output terminal R is low level, allows the frequency-dividing counter counting, sends strobe pulse then successively.Input channel of every gating just reads and stores the signal of a signal output part, and the signal that is read is exactly the signal of this input channel.At last all output signals are differentiated, known that promptly that passage has the signal input.
Figure five is action principle block diagrams of automatic executing agency 17.Automatic executing agency is meant when abnormality takes place at on-the-spot station, is used for eliminating abnormality or blocking the device that the abnormality continuation takes place.Topworks of the present invention, its effect characteristics are in real time, safely, reliably.Only in this way, could prevent the generation and the development of abnormal occurrence effectively.We know that the mechanism of general execution device is: computing machine carries out analyzing and processing after the acquired signal of station, scene, and in the time must having the abnormal occurrence generation now, computing machine sends steering order, starts actuating unit.This process is saved your breath also needs several seconds to tens seconds.For devices such as temperature regulator, electronic locks, this time-delay is unimportant, but prevents the topworks of fire or pilferage for those, obviously is unacceptable.In order to overcome this shortcoming, the present invention has adopted the unique design method.Shown in figure five, set up open circuit for topworks 17 for not misoperation of safety at ordinary times, computing machine by actuator controller 16, short circuit, electric power disconnection three roads insure the security and the reliability of the system of assurance.The information that central station computing machine 1 is sent here according to the aiding sensors in station, the scene sensor 15 determines whether arming, after insurance institution's arming of topworks, topworks only is subjected to the control of the master reference of on-the-spot station sensor 15, be ready, in case the master reference action, topworks 17 is effect effectively immediately.
The present invention has following function:
To the zone, key swarm into, slip into, anomalous event such as pilferage, artificial destruction, fire, harmful gas and situations such as system's faults itself, line disconnection failure are reported to the police, any alerting signal can both correctly indicate particular location, type, alert levels and the time etc. of alarm source, and printer can immediately be printed above full detail as objective record.
2. this system can realize all kinds of actuating units in the on-the-spot station of automatic or manual control neatly.As electronics random cipher lock, fire automatic fire extinguishing system, defence attacking system, criminal's representative record and communication apparatus, duties equipment etc., also can set up other servicing unit according to actual conditions.
3. humiture and other analog quantity parameter patrols and examines and displayed record automatically.
4. automatic defense function: for generation or the continuity that prevents accident, the present invention not only has been equipped with the on-the-spot acoustic-optic alarm that works the effect of dispersing but also has equipped the automatic defence system of a retardation.
If there is the above zone in two places or two places to occur accident simultaneously in monitoring range, then system at first handles the high zone of warning rank, according to other height of level, handles other emergency areas successively then, and the order of right of priority can realize by software neatly.
Claims (4)
1, far distance automatic centralized monitoring system each road communication bus of being formed, being drawn from central station by central station main frame, on-the-spot station extension set, communication line can articulate large numbers of on-the-spot stations extension sets, and the on-the-spot extension set of standing is made up of signal driving/receiver (12), addressing device (13), data looger (14) spot sensor (15), actuator controller (16) topworks (17).Addressing device (13) is made up of reset circuit (20), counting/frequency divider (19), decoding/latch (18), the addressing pulse signal that the central station computing machine sends is sent into addressing device (13) through signal driving/receiver (12) and is counted frequency division, the output signal of frequency-dividing counter (19) obtains output signal through decoding/latch (18), this signal is opened the gated circuit of data looger (14), makes the addressing pulse signal enter the input end and the first signal input channel (K of data looger (14)
0), it is characterized in that: when the addressing pulse signal number is in low level, all signal input channels of data looger (14) are in the logical "or" state, form the major state signal at this station, scene, when the addressing pulse signal number is in high level, data looger (14) is in counting frequency division state, and form the whether unimpeded line state signal of communication line, the central station computing machine is each on-the-spot station extension set of addressing successively successively, and between the low level of each addressing pulse and high period, read major state signal and line state signal respectively, these signals of Computer Analysis immediately judge whether on-the-spot station group has anomalous event.
2, far distance automatic centralized monitoring system according to claim 1, it is characterized in that: the central station computing machine sends touring detection signal to the input end of data looger (14), and each signal input channel of gating and the signal that reads each passage are to judge the type and the character of anomalous event successively.
3, far distance automatic centralized monitoring system according to claim 1, it is characterized in that: actuator controller (16) control of on-the-spot station extension set is opened circuit, the system of assurance is insured in short circuit, power supply three roads security and reliability, whether arming is by the status signal decision of central station computing machine according to station, scene aiding sensors, after the insurance of topworks (17) is removed, topworks (17) only is subjected to the control of on-the-spot station owner's sensor, be in the state treated, in case the master reference action, topworks (17) is effect effectively immediately.
4, far distance automatic centralized monitoring system according to claim 1, it is characterized in that: when two or more on-the-spot stations have anomalous event to take place simultaneously, computing machine is operated successively according to the height of the service class at these on-the-spot stations, and the service class at on-the-spot station is defined by computer software.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN87100353.8A CN1003681B (en) | 1987-01-23 | 1987-01-23 | Automatic centralized remote monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN87100353.8A CN1003681B (en) | 1987-01-23 | 1987-01-23 | Automatic centralized remote monitoring system |
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| Publication Number | Publication Date |
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| CN87100353A CN87100353A (en) | 1988-09-28 |
| CN1003681B true CN1003681B (en) | 1989-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN87100353.8A Expired CN1003681B (en) | 1987-01-23 | 1987-01-23 | Automatic centralized remote monitoring system |
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| Country | Link |
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| CN (1) | CN1003681B (en) |
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| AU2007272300B2 (en) * | 2006-07-12 | 2009-10-22 | Imprenditore Pty Limited | Monitoring apparatus and system |
| US20090138313A1 (en) | 2007-05-15 | 2009-05-28 | American Power Conversion Corporation | Methods and systems for managing facility power and cooling |
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| US8990536B2 (en) | 2011-06-01 | 2015-03-24 | Schneider Electric It Corporation | Systems and methods for journaling and executing device control instructions |
| US9952103B2 (en) | 2011-12-22 | 2018-04-24 | Schneider Electric It Corporation | Analysis of effect of transient events on temperature in a data center |
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-
1987
- 1987-01-23 CN CN87100353.8A patent/CN1003681B/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100395721C (en) * | 2003-12-20 | 2008-06-18 | 鸿富锦精密工业（深圳）有限公司 | System and method for centralized monitoring of limited program |
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| Publication number | Publication date |
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| CN87100353A (en) | 1988-09-28 |
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