CN88103843A - Multifunctional alarm and control system - Google Patents
Multifunctional alarm and control system Download PDFInfo
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- CN88103843A CN88103843A CN88103843.1A CN88103843A CN88103843A CN 88103843 A CN88103843 A CN 88103843A CN 88103843 A CN88103843 A CN 88103843A CN 88103843 A CN88103843 A CN 88103843A
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Abstract
A kind of multiple alarm signals such as fire prevention, antitheft, gas roof are carried out decentralized multifunctional alarm and control system, adopt the system architecture of main frame-terminal-transmitter triode reason.All by special-purpose microcomputer program control, circuit structure is simple, function is strong for main frame and terminal.It can do acousto-optic indication, print record to place, type, time that alarm takes place; The alert measure of the row of taking in time again.System also possesses the fault self-checking ability.Transmit alarm and control signal with line of electric force, accomplish that line of electric force transmits the multiplexing of electric energy and alarm signal, saves installation work.Big, the reliable operation of native system fence coverage is for the modernization of vigilance and safeguard work provides a new technology, new equipment.
Description
The invention belongs to the position of alarm environment, the situations such as type of alarm are signaled to administrative center, and can carry out the management system of alarming processing and control simultaneously, relate to the technical field of communication and computer utility.
Now, in many important buildings,, all alarm device must be installed as office, hotel, restaurant, bank, hospital, warehouse, library, museum etc. and other place that need protect.In case send abnormal conditions, this device can send special sound and light signal, makes people cause that warning also in time removes the dangerous condition.
At present, most of alarm devices or system transmit alarm signal by lay dedicated line in buildings, design and installation engineering complexity, and expense is big.The alarm device of selling on the home market belongs to this type mostly.There is the alarm controller of some specific uses to transmit alarm signal by radiowave, apparatus expensive, and surrounding environment caused electromagnetic interference (EMI).
In recent years, utilize the line of electric force in the buildings to transmit the attention that alarm signal has caused external many brainstrusts, carried out a large amount of research and exploration in this respect, and continuous some patents of having declared of network.But these inventions still exist many disadvantages and deficiency: what have can only monitor single alarm type, as BrP GB2, and 141,851A can only monitor fire alarm.Many warning systems are normal conditions at ordinary times, and the signal transmission is always arranged on the line of electric force, are with or without the signal transmission during alarm.This control mode, the machine complexity, control is simple, and energy consumption is big, cycle to line of electric force is influential, and as U.S. Pat 4,290,056 is described, in normal condition, the system signal on the line of electric force is single carrier frequency data pulse, and alarm signal is the pulse of single carrier frequency modulating data, no pulse during malfunction.United States Patent (USP) 4,410,883, also be that remote termination passes through characteristic number character code frequency signal of programming generation, by line of electric force this signal is sent to main frame continuously, when alarm module detected abnormality, the signal generation apparatus in the trigger control circuit stopped the generation and the transmission of numerical code frequency signal.And these inventions all are made up of main frame and terminal two-stage basically, by the alarm signal of terminal collection send that main frame shows to, printing and sounding, remind the operator on duty to handle.Promptly belong to and to alarm, do not arrange the two-stage alarm monitoring system of the alert centralized management of handling.
Fundamental purpose of the present invention provides a kind of multifunctional alarm and control system that can manage fire prevention, antitheft, gas roof, overvoltage, multiple alarm signal such as overrun, and it adopts main frame-terminal-transmitter tertiary management system structure; It can send acousto-optic indication, print record to alarm, and may command is alarmed actuator accordingly again, to the alarm source alert measure of the row of taking in time.Management can be finished by main frame and terminal respectively with control function, therefore the invention belongs to decentralized three grades of multifunctional alarm and control systems.The present invention utilizes the line of electric force in the buildings to transmit alarm signal, accomplished that line of electric force transmits electric energy and transmits the multiplexing of alarm signal, and reduce the interference of electric power cycle as far as possible and avoid laying again the dedicated line that transmits alarm signal, save plain conductor and installation work, the user is easy to use.
Management system of the present invention comprises that one is installed in administrative center, the main frame that can exercise supervision, manage total system and numerous the terminals that can carry out district management and control that are distributed in different places, and each terminal can be connected to a plurality of alarm transmitter again.Main frame and terminal all are equipped with special-purpose microcomputer, control, manage with program, and function is strong and convenient, flexible.Alarm transmitter can send fire alarm, theft alarm signal or other alarm signals: temperature warning, pressure alarm, rotating speed alarm, gas alarm or the like, the present invention all can discern it.Therefore, from alarm function, the present invention is a multifunctional alarm and control system.Main frame and terminal all are connected on the 220V primary side of three-phase transformer, and they can be connected between arbitrary phase line and the center line, transmit alarm and control signal by line of electric force between main frame and terminal.Transmit alarm signal from alarm transmitter to terminal and can use industrial siding, also can use line of electric force.Alarm transmitter is used for the testing environment state, in case when finding alarm status, send alarm signal immediately to regional terminal.Therefore, it belongs to the detection level in system.The alarm terminal receives the alarm signal that transmits from alarm transmitter, on the one hand this signal forwarding is arrived alarming host, and it is also handled signal simultaneously, directly control alarm actuator action, and factor removes alarm.Therefore, it belongs to direct control level in system.Alarming host mainly plays the supervisory role of alarm, makes the operator on duty can in time distinguish the type of place, time and the alarm of alarm.Therefore, it belongs to the supervision level in system.In a word, the present invention is three grades of multifunctional alarm and control systems of the decentralised control and the management of the main frame-terminal that utilizes power network to connect and transmit an alarm signal-transmitter.
Accompanying drawing of the present invention has:
Fig. 1 is a system architecture diagram of the present invention.
Fig. 2 is the connection layout of system equipment of the present invention in power line network.
Fig. 3 is the block diagram of main frame of the present invention and terminal internal circuit configuration.
Fig. 4 is a transmitter internal circuit configuration block diagram of the present invention.
Fig. 5 is main frame of the present invention or terminal supervision and management program general flow chart.
Fig. 6 is main frame of the present invention or terminal Interrupt Process process flow diagram flow chart.
In Fig. 1, the 1st, alarming host AM, the 2nd, alarm terminal AT, the 3, the 4th, power line, the 5, the 6th, power line or industrial siding, the 7th, alarm transmitter AS, the 8th, alarm detector AD, the 9th, alarm actuator AE. As shown in the figure, the present invention is by an alarming host AM, many alarm terminal AT and numerous alarm transmitter AS, and alarm detector AD and alarm actuator AE form. Each system, AM only have one, in order to improve the reliability of system, also can adopt redundancy, for example adopt the mode of one main one standby or two machines synchronous working. AT can comprise many, has only drawn 3 among the figure. Select as required number of units by the user during practical application. In native system, an AM can manage at most 250 AT. Every you machine AT can manage again 60 alarm transmitter AS of as many as, 24 alarm detector AD and 24 alarm actuator AE. Alarm signal between AM and the AT, request signal and control command all transmit via power line 3,4, and the alarm signal that each alarm transmitter AS sends is sent to corresponding alarm terminal through power line or industrial siding 5,6. AT and AS all can detect by the AD that links to each other the state of its surrounding environment. Be called local detector with the AD that AT directly links to each other; And the AD that links to each other with AS concerning AT, then is called Long-Range Inspector. In the one's respective area, the control signal that each AT sends then goes to carry out by coupled AE.
The function of alarming host AM is: receive the signal of being sent by alarm terminal AT, the alarm signal of AT is processed: after confirming alarm, and the sound that gives the alarm, display alarm place, time, type and print record; When needing, AT sends control command to terminal. AM can also detection system duty, send request signal to AT, and receive the answer signal of AT, whether normal to judge system works. In addition, AM also can process the alarm of administrative center. So concerning whole system, AM mainly plays the supervisory role of various alarms.
The function of alarm terminal AT is: the alarm signal that receiving alarm transmitter AS and local alarm detecting device AD send, various alarm signals are handled, promptly when alarming host AM transmits alarm signal, send the alarm control signal to alarm actuator AE again, for example the power switch disconnection in breaking out of fire place etc.AT also receives the request signal of being sent by AM, and makes answer: working properly or fault.AT also can arrange alert the processing to each alarm point according to the steering order of AM.
In the present invention, AT is a part and parcel, and it also can be described as " server ".This server can be widely used in office, unit, hospital and family.In future, main users of the present invention is a family, and at this moment, AT can be described as " home server ".This intelligentized server; its service content can comprise fire alarm, robber and police, theft alarm, personal first aid, electric equipment protection (overvoltage or under-voltage), the automatic control of automatic switching, illumination and the room temperature of electric equipment (televisor, refrigerator, radio cassette player, air conditioner etc.), calling set, self-timing clock etc.Like this, residential quarter or building, a building are a scope that multifunctional alarm and control system is administered, and the resident family that can be in sub-district or the building provides the various alarms and the handy service for the people.
The function of alarm transmitter AS is: from alarm detector receiving alarm status signal, and to AT transmission alarm signal, to show place and the type that alarm takes place.
Alarm detector AD is actually that temperature-sensitive, power are quick, air-sensitive or the quick various types of sensors of cigarette, and it converts the variation of the various physical quantitys of being monitored to electric signal, sends to AT by AS then, to show place and the type that alarm takes place.
Alarm actuator AE is the topworks that carries out alarming processing according to the control command of alarm terminal AT.The control function that the present invention can provide has switching value, analog quantity and the regulated quantity (rotation direction of scalable stepper motor, rotating speed and rotation step number) of voltage, electric current.For example, stopped power supply in the place of breaking out of fire, open extinguishing device etc. simultaneously.
The present invention is a decentralized tertiary management system, and each AS is an alarm source point, to an alarm dot address sign indicating number should be arranged; Alarm zone of each AT management is to there being a regional address sign indicating number.When alarm took place, AS sent its alarm dot address sign indicating number by line of electric force or industrial siding to AT, and AT then sends alarm district and alarm dot address sign indicating number by line of electric force to AM.Host A M is confirmed to be according to the address code signal that receives where what abnormal conditions has taken place in thousands of alarm sources.The address code signal of this alarm district and alarm point is called the CDMA alarm signal.
The present invention adopts the modulation system of pulse amplitude modulation, and CDMA alarm signal superposition is transmitted on the sinusoidal ac signal of 50HZ, accomplishes that line of electric force transmits the multiplexing of electric energy and alarm signal.The carrier-frequency range of signal is 20KHZ～300KHZ, can suitably adjust carrier frequency according to the custom power loading condition.This modulation system is disturbed few to the user on the line of electric force, because the time with nowhere to turn to alert the generation, there is not the alarm signal transmission of pulse amplitude modulation on the line of electric force, only abnormal conditions are taking place, need when terminal or main frame transmitting warning signal, the alarm signal transmission of pulse amplitude modulation is just arranged on the line of electric force.So, there is not alarm signal transmission in most of times at ordinary times on the line of electric force, promptly not disturbing power waveform, line of electric force during normality is " quiet ".This transmits alarm signal with existing many line of electric force that utilize, and adopting always has the signal transmission at ordinary times, does not have the invention of signal or another kind of signal transmission to compare during alarm, is technology, a useful improvement economically.And with frequency modulation system relatively, this modulation system is simplified the equipment itself of AM and AT greatly.
The present invention adopts the communication mode of asynchronous communication, and promptly signal is transmitted as the only formula that opens.And adopt parity check sum to retransmit the error-check of multipass, to reduce the possibility that produces the mistake alarm owing to signal transmission errors.
The present invention adopts inquiry and the alarm management mode of interrupting combining.AT detects AS and adopts touring inquiry mode, is in normal or alarm status with inquiry AS.AT adopts interrupt mode to the AM alarm, in case alarm takes place, AT sends alarm signal application Interrupt Process to AM, and AM responds interruption, enters the alarming processing process.
Alarming host AM, alarm terminal AT and the connection of alarm transmitter AS in power network among the present invention, as shown in Figure 2.A among the figure
1, B
1, C
1And O
1Elementary for user's three-phase power transformer, A
2, B
2, C
2And O
2Be the secondary supply line of transformer, neutral line O
2Ground connection.For safety and easy to use, various device of the present invention generally is connected in 220V the level power network of three-phase power transformer.AM, AT and AS can according to user's needs be connected on threephase network arbitrary mutually in.For example, in Fig. 2, AM is connected on the A phase, and AT and AS are connected in A, B, the C three-phase.
In order between AM and AT, AS, to constitute the path that transmits alarm signal, access channel capacitor 10 in addition between the line of transformer secondary output and line, (11 is three phase windings of transformer secondary output among the figure), the withstand voltage of this capacitor is greater than 600V, and capacity is greater than 1 μ F.The access of these electric capacity, minimum to the alarm signal capacitive reactance of high frequency, be equivalent to short circuit, between each phase line, constitute the path of alarm signal, and the alternating current of 50HZ has been equivalent to increase little capacitive load, this helps improving the power factor of load to general perceptual electrical load network.
Alarming host AM of the present invention is similar with the circuit structure of alarm terminal AT, its block diagram as shown in Figure 3, this is for producing and working service all is favourable.Among Fig. 3,3,4 still is line of electric force, the 3rd, and phase line, the 4th, center line.The 18th, central processor CPU, it is the core of AM and AT, their all operations all is to carry out under the control of CPU.For example, in AM, send instructions, communicate with AT by SIO, TR etc. by CPU.When receiving the alarm signal that AT sends, discern judgement, confirm alarm place and type, send acousto-optic indication and print record by CPU.The 17th, read only memory ROM is used to store reception program, router and various alarming processing program.The 15th, random access memory ram is used for store various kinds of data, form, foundation alarm dot buffer zone etc.The 16th, serial communication interface SIO, it is operated in asynchronous communication means, be mainly used in the data that send and receive are processed processing, as data being carried out the serial-to-parallel conversion, for data add or filtering start bit, position of rest and parity check bit, automatically carry out, parity checking, determine signal transmission rate or the like.The 14th, modulator MOD claims amplitude modulator again, with the coded pulse that SIO sends the higher-order of oscillation is carried out amplitude modulation.The 13rd, detuner DEM claims amplitude detector again.The amplitude of the modulated vibration that it will receive from circuit detects.The 12nd, propagation and transformation device TR, be used for signal when receiving or send with the coupling and the impedance conversion of line of electric force so that along the transmission of line of electric force acquisition peak power.The 19th, keyboard KB is used for AM is operated, and for example can preset the various duties of AM by keyboard, presets date and time or the like.The 20th, display CRT is used for counting of the address, type, time of display alarm and alarm simultaneously or the like.Display is except that realizing with CRT, in order to reduce the also available light-emitting diode display of price.The 21st, printer PR is used for the printing of noting down of address, type and time that alarm takes place is given over to the condition of a disaster record.The 22nd, alarm call Chinese percussion instrument SP when alarm takes place, sends special sound and causes that the operator on duty guards against.
Circuit structure and the AM of AT are similar, also include parts such as CPU, ROM, RAM, SIO, MOD, DEM and TR, and it also has alarm call Chinese percussion instrument SP, only show it is to adopt light-emitting diode display 24.The 23rd, parallel interface PIO connects numerous alarm detector AD and alarm actuator AE by it.CPU receives the various ambient condition parameters that AD sends here by PIO, after handling by analysis, sends control command by PIO again, delivers to AE and goes to carry out.Therefore, in AT, structure, the type of AD and AE be a lot, they have determined the envelop of function of server.For example, under the simplest situation, AD is exactly a pushbutton switch, when pressing the button switch, promptly notifies administrative center, and the emergency circumstance takes place in this area, according to the address of making an appointment, and possible breaking out of fire, robber and police or personal first aid.
The circuit structure of alarm transmitter AS of the present invention as shown in Figure 4.25 clock source CLK are used to produce the time clock of scrambler COD and the required frequency of modulator MOD among the figure.27 counter CON are used to write down the coding number of times of COD.26 scrambler COD are used for the alarm dot address is encoded.The 28th, trigger TRI, it receives the triggering of AD, and startup COD encodes.AD detects alarm status when detecting device, triggers TRI immediately, and TRI starts COD and coding, with address code continuous oscillation among the MOD is carried out amplitude modulation, sends to line of electric force by TR at last and gets on.
Sketch principle of work of the present invention below in conjunction with Fig. 3: with the fire prevention example, the AD(8 among the AT at this moment) be exactly a smoke transducer.When protection place breaking out of fire produced smog, AD just converted smog to d. c. voltage signal, by private line access PIO(23 in the AT) of the port in lining.The CPU of AT finds to have among the PIO alarm voltage signal to occur by the program inquiring mode, just the data of this interface is read in CPU, and judges the period of the AD that alarm takes place.CPU passes through SP(22 immediately) send the alarm sound, at LED(24) address and time of display alarm on the display, and pass through PIO(23 immediately) send control command and give AE(9), as the power supply that cuts off the breaking out of fire place etc.The direct control action of Here it is AT.Meanwhile, CPU will alarm a little address code and the zone address code in this AT zone be combined into the alarm address code, send to SIO(16) interface, in SIO, convert data to serial by walking abreast, and add start bit, position of rest, parity check bit, deliver to modulator MOD(14 again), with the address code pulse higher-order of oscillation is carried out amplitude modulation.Then by coupling transform device TR(12) modulated vibration to be delivered on the line of electric force, this modulated higher-order of oscillation superposition is transmitted by line of electric force on 50HZ AC sine signal.Usually, alarming host AM always is in the wait accepting state, in case produce alarm signal on the line of electric force, this signal is through the coupling transform device TR(12 of AM) after, by amplitude detector DEM(13) Detection Point geocoding pulse signal, send into serial line interface SIO(16).In SIO filtering start bit, position of rest, carry out parity checking.If parity error takes place, then the status word among the SIO just provides error flag.Correct alarm address code then becomes parallel by serial conversion in SIO, send into CPU then.CPU receives the alarm address date totally three times continuously, and compares, if three times conform to, then confirms to alarm.Simultaneously with time, address and the type of alarm by CRT(20) show and by PR(21) print, by SP(22) send special alarm sound.Where necessary, the CPU of AM also can send steering order, sends on the line of electric force by SIO, MOD and TR.Equally, alarm terminal AT also is in the wait accepting state usually.Control signal on the line of electric force enters CPU by TR, DEM, the SIO of AT.CPU receives the control command that main frame is sent, and just should order to send into corresponding AE by PIO and go to carry out.
The present invention possesses system failure self-checking function: AM and regularly sends request signal to each AT successively, detects the duty of each AT.If inquiry is three times continuously, certain AT can not answer, and shows that then this terminal breaks down.At this moment AM carries out fault handling: send trouble sound, show the area code of fault terminal, and print record.
Fig. 5 is main frame of the present invention or terminal supervision and management program general flow chart.After main frame or the terminal energized start (29), promptly enter the initialize routine (30) of system, it comprises ROM(17) in character library and parameter move RAM(15) removing of each parameter region, SIO(16) and terminal in PIO(23) presetting of working method and presetting or the like of working state of system.System is through after the initialization, did then inquiry have interruption (31)? if interruption is arranged, and receiving flag set, then enter alarm recognizer (32), to alarm source discern and confirm after promptly enter alarming processing program (33), different processing is carried out in alarm to different addresses and type, enters sounding program (34) then, sends the alarm sound; Enter place, time and the type of display routine (35) display alarm; Main frame CRT(20) show terminal LED(24) show; Main frame also enters print routine (36), by printer PR(21) print record.Also will enter the request router to terminal, will alarm address code and this area zone address code and merge, request interrupts sending to main frame then.To terminal, also may carry out various types of service routines (37), finish various control function or service function.Ask whether dispose (39) at last, then continue to get back to alarming processing program (33) if finish; Whether interrupt if handle then to continue to inquire about.
After initialize routine finishes, do not interrupt taking place if having, then does inquiry have button to press (40)? if interrupting also not having button, nothing presses, then the entry time display routine.Show the current time: the time, minute, second.Therefore, main frame and terminal can be done clock usefulness in normal operation.If there is button to press, then enter keyboard routine analyzer (41).The keyboard routine analyzer be used to determine by be which kind of function key, enter corresponding program module according to button.The program of corresponding difference in functionality has: revise date program (42), it is used to regulate current date: year, month, day.Modification time program (43), it is used to regulate the current time: the time, minute, second.System self-test program (44), it is used for detecting each terminal successively, judges that its work is normal or fault.Theft alarm supervisory routine (45), it is used for the time of regulation theft alarm management, for example, the management of 6 pm clock startup theft alarm; At 8 o'clock of the morning, close the theft alarm management.Remote control program (46) is used for by button, the service function of control terminal.For example, close air conditioner.To terminal, the function program of button has only 42 and 43.
Fig. 6 is the public interrupt service routine process flow diagram of main frame and terminal.After CPU receives interrupt request, change Unit 0038 automatically over to, so the starting point of program is ORG0038H(49), enter polling routine then, judgement is to receive to interrupt or send interrupting (50); Interrupt if receive, then with receiving flag set (51), carry out message pick-up subroutine (52) then, it is used for receiving alarm information or answer information to main frame; It is used for receiving control information or Query Information to terminal, also can return master routine (55) at last from transmitter receiving alarm information.Otherwise be to send to interrupt, at this moment at first to inquire about whether set (53) of receiving flag, if set then waits for and continue inquiry, if the information that then enters that resets sends subroutine (54), it is used to the Query Information that sends control information to main frame, and it is used to send a warning message or answer information to terminal.Return master routine (55) at last.
The present invention has following characteristics:
1. way to manage: the present invention and prior art adopt the mode of two-stage centralized management of main frame-terminal different more, adopt three grades of modes of disperseing the management system structure of host A M-terminal AT-transmitter AS.AS is for detecting level, and AT is the district management level, and AM is the centre management level.The characteristics of this mode are that the management control function of system is disperseed, and the local management level is directly alarmed control and handled, and administrative center AM plays the supervisory role of alarm management again.Therefore, to the response speed height of alarm, processing speed is fast, and the reliability of system is improved greatly.
2. control mode: AM and AT be all by special-purpose Controlled by Microcomputer, and compact conformation is easy and simple to handle, and cost reduces.Sending etc. of the affirmation of the formation of alarm coding, the transmission of alarm signal, alarm source and alarming processing order all finished by the microcomputer executive software.Utilize the microcomputer characteristics, alarm point is managed, confirm to alarm a little place and type by the coding of alarm point with code division address.Microcomputer adopts the working method of interrupting combining with inquiry that input and output are controlled, and response speed is fast, and working stability is reliable.Make full use of SIO serial communication interface able to programme, realize the error-check of the parity check sum repeating transmission multipass of alarm signal transmission with software, can avoid like this making alarming host produce the mistake of alarm address and type, the reliability of total system is improved because of alarm is coded in to be interfered in the transmission or to distort.
3. transmission medium: adopt line of electric force as the medium that transmits alarm signal, accomplish that line of electric force transmits the multiplexing of electric energy and alarm signal.Compare with adopting the dedicated signal line road, can save plain conductor and installation work; Compare with the transfer system that adopts radiowave, present device is simple, and is cheap, the functional reliability height, and do not produce the space Electromagnetic Interference.
4. transmission mode: adopt pulse code amplitude modulation.The characteristic number character code frequency-modulated signal transmission mode that this transmission mode and U.S. Pat 4,290,056 adopts relatively makes the simplified equipment of AM and AT in the system, has higher antijamming capability, and less to the interference of consumer networks.Long wave during modulated wave adopts, carrier frequency can suitably be adjusted the carrier oscillation frequency according to user's electrical load actual conditions, to increase the transmission range of alarm signal in 20KHZ～300KHZ scope.
The present invention has constituted the test that the scientific research model machine carries out transmitting on the line of electric force alarm signal, and is respond well.Usually, alarming host is placed in user's the duty room, the attaching plug of AM is inserted on the socket of 220V AC power in the duty room to use.The alarm terminal is placed on the center in a zone that needs warning, for example, and in the building, a building of a big unit, or certain one deck in building, a building, or a certain storehouse in a warehouse or the like.The attaching plug of AT is inserted on the socket of a certain 220V AC power in the security area and can uses.Alarm transmitter AS is placed on the working point that needs warning, locates as the safe care registry of constituent parts, accounting office, computer house etc.Therefore, native system is easy to use, does not need special installation work, does not also need to lay special transmission line, can save a large amount of executive cost.For the historical relic ancient building of laying special stress on protecting,, use the present invention that Practical significance is more arranged as the Forbidden City, the Summer Palace etc.
Should emphatically point out, to modern production, office space and family, terminal of the present invention is bigger as " server " meaning.It all can provide service to the fire prevention of unit and family, anti-gangster, antitheft, personal safety and first aid, electric equipment and automatic start-stop and trouble free service.
In a word, the present invention uses the dedicated microcomputer programmed control, and circuit structure is simple, function is strong, reliable operation; Adopt line of electric force to transmit alarm signal, easy to install; On system's composition and management, control and signal transmission form, compare with existing foreign patents, very have a characteristic.So the present invention realizes the vigilance and safeguard work modernization for all departments, constituent parts a new technology, new equipment is provided.
Claims (9)
1, a kind of multiple alarm signals such as fire prevention, antitheft, gas roof is carried out decentralized multifunctional alarm and control system, include the alarming host of a supervision total system and the terminal that Duo Tai is distributed in zones of different, each terminal can connect a plurality of alarm transmitter again, forms the triode reason system of main frame-terminal-transmitter; It is characterized in that:
(1) alarm transmitter is used for the testing environment state, belongs to detect level; The alarm terminal is used for the control and the management in an alarm district, belongs to direct control and management level; Alarming host is used for the supervision and the management of total system, belongs to the supervision and management level.Main frame and terminal are carried out decentralised control and management,
(2) in main frame and the terminal special-purpose microcomputer is housed all, controls, manage, have the System self-test function with program.
(3) main frame, terminal and transmitter all are connected on the 220V primary side of three-phase power transformer, and they can be connected between arbitrary phase line and the center line, transmit alarm and control signal by line of electric force each other.
2, multifunctional alarm and control system according to claim 1 is characterized in that an alarming host can supervise, manage nearly 250 alarm terminals that are distributed in zones of different.Every you machine can be managed 60 alarm transmitter of as many as, 24 alarm detectors and 24 alarm actuators.Main frame is discerned alarm source and alarm type with CDMA signals.
3, multifunctional alarm and control system according to claim 1 is characterized in that all including in alarming host and the terminal central processing unit (CPU), program and data-carrier store (ROM, RAM), serial communication interface (SIO), modulator (MOD), detuner (DEM) and propagation and transformation device (TR).
4, according to claim 1 or 3 described multifunctional alarm and control systems, the external unit that it is characterized in that alarming host has the display (CRT) of display alarm address, type and generation alarm time parameter, and alarm is had printer (PR) that related parameter writes down, sends specific sound, reminds the alarm sound-producing device (SP) that the operator on duty notes and controls the keyboard (KB) that CPU operates.
5, according to claim 1 or 3 described multifunctional alarm and control systems, the external unit that it is characterized in that alarming terminal have display alarm address, type and simultaneously the alarm number of spots of alarm light-emitting diode display and adopt the detecting device and the actuator of various functions of different service requests of the suitable different user of modular construction.As the automatic control of automatic switching, illumination and the room temperature of fire alarm, robber and police, theft alarm, personal medical first aid, electric equipment protection, household electrical appliance etc.
6, multifunctional alarm and control system according to claim 1 is characterized in that alarm transmitter is made up of alarm triggered device (TRI), alarm source address scrambler (COD), clock source (CLK), counter (CON), modulator (MOD) and propagation and transformation device (TR).
7, multifunctional alarm and control system according to claim 1 is characterized in that all being connected to path capacitance between each phase line of transformer secondary output, and the withstand voltage of this capacitor is greater than 600V, and electric capacity is greater than 1 μ F.
8, according to claim 1,2 or 3 described multifunctional alarm and control systems, it is characterized in that the alarm and the control signal that transmit along line of electric force between main frame, terminal and the transmitter are the asynchronous pulse amplitude-modulated signals, the carrier-frequency range of signal is 20KHZ～300KHZ, adopts parity check sum to retransmit the error-check of multipass.
9, multifunctional alarm and control system according to claim 1 is characterized in that not having alarm signal on the line of electric force when the warning environment is normal condition, and system is in quiet state; When the warning environment was in alarm status, transmitter sent alarm and control signal to main frame by line of electric force to terminal and terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88103843 CN1006664B (en) | 1988-06-29 | 1988-06-29 | Multifunctional alarm management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88103843 CN1006664B (en) | 1988-06-29 | 1988-06-29 | Multifunctional alarm management system |
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| Publication Number | Publication Date |
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| CN88103843A true CN88103843A (en) | 1988-11-30 |
| CN1006664B CN1006664B (en) | 1990-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88103843 Expired CN1006664B (en) | 1988-06-29 | 1988-06-29 | Multifunctional alarm management system |
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| CN (1) | CN1006664B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8902064B2 (en) | 2010-12-21 | 2014-12-02 | Nixon Security System Limited | Security system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI517079B (en) | 2013-07-30 | 2016-01-11 | 財團法人工業技術研究院 | Method for identifying electronic device and apparatus and system using the same |
-
1988
- 1988-06-29 CN CN 88103843 patent/CN1006664B/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8902064B2 (en) | 2010-12-21 | 2014-12-02 | Nixon Security System Limited | Security system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1006664B (en) | 1990-01-31 |
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