CN104408857A - Firefighting monitoring system based on plastic optical fiber (POFs), and firefighting monitoring method based on POFs - Google Patents
Firefighting monitoring system based on plastic optical fiber (POFs), and firefighting monitoring method based on POFs Download PDFInfo
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- CN104408857A CN104408857A CN201410728097.8A CN201410728097A CN104408857A CN 104408857 A CN104408857 A CN 104408857A CN 201410728097 A CN201410728097 A CN 201410728097A CN 104408857 A CN104408857 A CN 104408857A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
Abstract
The invention discloses a firefighting monitoring system based on plastic optical fiber (POFs), and a firefighting monitoring method based on POFs. The firefighting monitoring system based on POFs includes a signal concentrator, a local side communication unit, and at least one user side POF communication ring, wherein user side communication units are connected in series in a ring-shaped manner through the POF communication ring; each user side communication unit is connected with a detector; the signal concentrator sends a control command to the local side communication unit; the local side communication unit is used for converting the control command to an optical control signal, and sends the optical control signal to the user side POF communication ring. The invention adopting the scheme has the advantages that through the top-down management structure, active management is achieved for a smoke and temperature sensor based on POFs and other firefighting detection devices in a networked firefighting detection system; a master station in a monitoring center can issue an inquiry command to examine the working status of each independent firefighting detector, so as to ensure that each firefighting detector is in the normal working status; the invention achieves a larger overall control and monitoring range, as well as higher operational reliability of firefighting devices, and can promptly discover potential fire risks, so that the practical value is high.
Description
Technical field
The present invention relates to fire-fighting detection, in particular, a kind of firefighting monitoring system based on plastic optical fiber and method.
Background technology
The electronic cigarette sensor that security protection industry now adopts always, usually can produce the situation reported by mistake or lost efficacy in daily.This is because existing electronic cigarette sensor is active sensor, all smoke detectors are all connected in parallel, and when circuit breaks down, often cause all cisco unity malfunctions because smoke detector is abnormal.
In addition, electronic cigarette sensor is due to structural design, more when monitoring that place dust a bit large or time has grown the accumulation of dust, usually can cause the wrong report of smoke detector.
Therefore market have developed novel optical fiber type detector, such as plastic optical fiber smoke detector and heat detector etc., be all passive sensor, and optical fiber only has 1mm diameter in structure, its test surface is vertically disposed, and detector reception and transmission range only has 1 ~ 2 millimeter, and dust is difficult to have influence on.Because plastic optical fiber smoke detector is afraid of water inlet unlike electronic cigarette sensor, can directly puts into water and clean, simple and convenient.
Current plastic optical fiber smoke-temperature sensing fire fighting detector, adopts freestanding building mode, and the alerting signal in each detector independent processing range of control, is sent to upper management mechanism.
Such as, fire-fighting detection system Authorization Notice No. is CN203118155U, authorized announcement date is that the utility model patent of on 08 07th, 2013 discloses a kind of free-standing optical fiber smoke-temperature sensing fire detection system, comprises central processing unit, master reference assembly and warning device; Described master reference assembly comprises light source and first, second sensor, light source is connected with the input end of first, second sensor through launching optical cable, the input end of output terminal through receiving optical cable and first, second photodetector of first, second sensor connects one to one, and the output terminal of first, second photodetector is connected with warning device successively after signal processor, central processing unit; Described light source is LED or LD light source, and launching, receiving optical cable is quartz or plastic optical fiber cable, and first, second sensor is optical fiber type smog or temperature sensor.
Although the generation of this utility model energy detection of fires, and can provide remote monitoring and warning function, it still has following defect:
This design adopts freestanding design, and every suit plastic optical fiber smoke-temperature sensing fire detection system, is up to upper management mechanism by warning device.In each free-standing fire-fighting system, be designed with checking mechanism, when having fire alarm or equipment failure, system can produce alerting signal, notice upper management mechanism, but this design can not ensure the fault of free-standing fire-fighting system control panel itself.Although can by the multiple free-standing smoke-temperature sensing fire detection system of configuration, can control the fire-fighting needs of larger area, each free-standing smoke-temperature sensing fire detection system, need configuration Mobile phone card, the communications cost of operation adds.
Further, existing system Basic Design is, when having fire alarm or equipment failure, system can produce alerting signal, notice upper management mechanism; If there is no alerting signal, then think that system is in normal operating condition, can not the fault of Timeliness coverage fire-fighting system.
Therefore, prior art needs to improve.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of firefighting monitoring system based on plastic optical fiber and method, realizes the networking active management to the firefighting monitoring system based on plastic optical fiber.
A kind of technical scheme provided by the invention is as follows: a kind of firefighting monitoring system based on plastic optical fiber, comprises signal concentrator, local side side communication unit and at least one user side polymer optical fiber communication ring;
Described user side polymer optical fiber communication ring comprises several user side communication units, and each described user side communication unit is by the ring-like series connection of plastic optical fiber;
Described in each, user side communication unit connects a detector;
Described signal concentrator is used for sending controling instruction to described local side side communication unit;
Described local side side communication unit is used for described steering order to be converted to optical control signal, is sent at least one described user side polymer optical fiber communication ring, and receives the detectable signal of each detector sent from least one described user side polymer optical fiber communication environment-development.
Alternatively, in the polymer optical fiber communication ring of described user side, the transmitting-receiving node of each loop is by individual plastic Fiber connection.
Alternatively, described local side side communication unit comprises optical transmission module and Optical Receivers, and by plastic optical fiber, connects described user side communication unit.
Alternatively, described detector is free-standing fire fighting detector, and connects at least one plastic optical fiber sensor.
Alternatively, described steering order comprises the signal of the duty checking each free-standing fire fighting detector.
Alternatively, the detectable signal of described each detector comprises the duty and/or alerting signal that each free-standing fire fighting detector feeds back according to described steering order.
Alternatively, described local side side communication unit comprises the plastic optical fiber concentrator communication unit be connected with signal concentrator, and described user side communication unit comprises the plastic optical fiber detector communication unit be connected with each free-standing fire fighting detector.
Alternatively, described plastic optical fiber concentrator communication unit is connected with the local communication interface of signal concentrator by UART communication interface, the optical transmission module of plastic optical fiber concentrator communication unit is connected with plastic optical fiber detector communication unit by plastic optical fiber with Optical Receivers, plastic optical fiber detector communication unit is connected with the local communication interface of free-standing fire fighting detector by UART communication interface, and connects the plastic optical fiber on described polymer optical fiber communication loop by plastic optical fiber transceiver interface.
Another technical scheme provided by the invention is as follows:
Based on a fire fighting monitoring method for plastic optical fiber, comprise the following steps:
By some user sides communication unit by the ring-like series connection of plastic optical fiber, form a user side polymer optical fiber communication ring;
Described in each, user side communication unit connects a detector;
Signal concentrator sending controling instruction is to local side side communication unit;
Described steering order is converted to optical control signal by local side side communication unit, is sent at least one user side polymer optical fiber communication ring, and for each user side polymer optical fiber communication ring, described optical control signal sequential delivery is to each user side communication unit of series connection;
Each user side communication unit, according to described optical control signal, obtains the detectable signal of the detector that it connects, and feeds back to described local side side communication unit.
Alternatively, described steering order comprises the signal of the duty checking each free-standing fire fighting detector, and the detectable signal of described each detector comprises the duty and/or alerting signal that each free-standing fire fighting detector feeds back according to described steering order.
Adopt such scheme, the present invention adopts top-down management structure, realize the active management to the smoke-temperature sensing sensor fire-fighting detecting devices based on plastic optical fiber in the fire-fighting detection system of networking, the overall scope controlling to monitor is larger, improve fire fighting equipment operational reliability, Timeliness coverage disaster hidden-trouble, can also save the cost of managed operation, raise the efficiency simultaneously.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of one embodiment of the present of invention;
Fig. 2 is the user side polymer optical fiber communication ring structure schematic diagram of one embodiment of the present of invention;
Fig. 3 is the application structure schematic diagram of one embodiment of the present of invention;
Fig. 4 is user side communication unit and the panel detector structure schematic diagram of one embodiment of the present of invention;
Fig. 5 is the alert process schematic flow sheet of one embodiment of the present of invention;
Fig. 6 is the polymer optical fiber communication ring process information querying flow schematic diagram of one embodiment of the present of invention;
Fig. 7 is the managing queries schematic flow sheet of one embodiment of the present of invention;
Fig. 8 is the fire fighting detector of one embodiment of the present of invention and the connection diagram of inductor.
Embodiment
For the ease of understanding the present invention, below in conjunction with the drawings and specific embodiments, the present invention will be described in more detail.It should be noted that, when element is stated " being fixed on " another element, it can directly on another element or can there is one or more element placed in the middle therebetween.When an element is stated " connection " another element, it can be directly connected to another element or can there is one or more element placed in the middle therebetween.The term " vertical " that this instructions uses, " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology of using of this instructions and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention in this instructions just in order to describe specific embodiment is not for limiting the present invention.The term "and/or" that this instructions uses comprises arbitrary and all combinations of one or more relevant Listed Items.
One embodiment of the present of invention are, a kind of firefighting monitoring system based on plastic optical fiber, and it comprises signal concentrator, local side side communication unit and at least one user side polymer optical fiber communication ring, wherein, local side side communication unit and concentrator communication unit, described user side polymer optical fiber communication ring comprises several user side communication units, and each described user side communication unit is by the ring-like series connection of plastic optical fiber, described in each, user side communication unit connects a detector, wherein, user side communication unit and detector communication unit, described signal concentrator sending controling instruction is to described local side side communication unit, and preferably, described signal concentrator also receives the detectable signal from user side polymer optical fiber communication ring by described local side side communication unit, and/or replys data and alerting signal, described local side side communication unit is used for described steering order to be converted to optical control signal, be sent at least one described user side polymer optical fiber communication ring, also for receiving the detectable signal of each detector from least one described user side polymer optical fiber communication ring, such as, described steering order is converted to optical control signal by local side side communication unit, be sent to a user side polymer optical fiber communication ring, each user side communication unit in the polymer optical fiber communication ring of user side, carry out opto-electronic conversion, optical control signal is converted to electric control signal, the detector that control user side communication unit connects carries out work, the communication data of plastic optical fiber transmission, the instruction of transmitting comprises inquiry, detect, report to the police, the monitoring of the sensor probe of the autonomous processing controls subordinate of detector, such as detectable signal is converted to light detecting signal, send local side side communication unit to, result of detection is converted to by it, send to signal concentrator.Plastic optical fiber between signal concentrator and detector, transmission be communication data substantially, operation whole system administration order.Plastic optical fiber between detector and sensor, transmission be detection signal.Such as, detector is active equipment, its set handling apparatus and warning device, and controls the sensor probe of several smoke-temperature sensings, and wherein, sensor probe is inactive component.For a user side polymer optical fiber communication ring, optical control signal is issued to each user side communication unit by a plastic optical fiber series connection, and each light detecting signal uploads to local side side communication unit by a plastic optical fiber series connection.Preferably, described signal concentrator comprises central fire alarm control panel, and described central fire alarm control panel is used for when receiving the user side signal of arbitrary user side polymer optical fiber communication ring, reports to the police.Such as, described central fire alarm control panel comprises loudspeaker.And for example, described central fire alarm control panel comprises a signal projector; Preferably, described central fire alarm control panel comprises a wireless signal transmitter.Preferably, described central fire alarm control panel is arranged on a signal concentrator inside.Preferably, described signal concentrator also arranges plastic optical fiber transceiver, for passing through plastic optical fiber receiving and transmitting signal.And for example, described local side side communication unit arranges plastic optical fiber transceiver.
As shown in Figure 1, one embodiment of the present of invention are, a kind of firefighting monitoring system based on plastic optical fiber, and it comprises signal concentrator, local side side communication unit and two user side polymer optical fiber communication rings, in practical application, multiple user sides polymer optical fiber communication ring can be set; As shown in Figure 2, described user side polymer optical fiber communication ring comprises 6 user side communication units, and each described user side communication unit, by the ring-like sequential series of plastic optical fiber, forms an annular with local side side communication unit.And for example, for each user side polymer optical fiber communication ring, it is together with concentrator communication unit, form a loop network, that is, each described user side communication unit sequential series in each user side polymer optical fiber communication ring, the user side communication unit of front end is communicated with concentrator communication unit respectively with the user side communication unit of rear end, forms an annular or is called loop network.Preferably, in the polymer optical fiber communication ring of described user side, the transmitting-receiving node of each loop is by individual plastic Fiber connection.Such as, each described user side communication unit is by means of only a ring-like series connection of plastic optical fiber.Like this, signal concentrator, by plastic optical fiber network, issues the duty of each free-standing fire-fighting detection system of signal check, ensures system reliability.
Preferably, described detector is free-standing fire fighting detector.Preferably, described detector connects at least one Fibre Optical Sensor.Such as, described Fibre Optical Sensor is plastic optical fiber sensor.Preferably, described in each, user side communication unit only connects a detector.Preferably, described user side communication unit also arranges the signal transceiver be connected with described detector.Like this, can form the structure of a looped network formula, the smoke-temperature sensing fire fighting detector of a composition network type, the overall scope controlling to monitor is larger, and operating cost is constant.For large-scale fire-fighting detection system, by multiple free-standing optical fiber smoke-temperature sensing fire detection system monitoring gamut, but only need a up warning of signal concentrator, only need the operating cost of a phone SIM card or data equipment, cost is low, application is convenient.Also achieve like this and manage multiple free-standing optical fiber smoke-temperature sensing fire detection system on the whole, check the duty of each free-standing detection system in time, thus ensure fire-fighting system reliability.
Preferably, described local side side communication unit adopts UART Universal Asynchronous Receiver Transmitter communication interface to connect described signal concentrator.Preferably, described user side communication unit arranges the communication interface that UART Universal Asynchronous Receiver Transmitter communication interface connects described detector.Preferably, described local side side communication unit arranges optical transmission module and Optical Receivers, by a plastic optical fiber, connects described user side communication unit.
Preferably, the described firefighting monitoring system connection management main website based on plastic optical fiber, itself and described signal concentrator wireless connections.Like this, each user side polymer optical fiber communication ring, as single free-standing optical fiber smoke-temperature sensing fire detection system, its alerting signal, signal concentrator is delivered to by plastic optical fiber network, the remote monitoring and the warning function that there is provided whole Fire Net to management main website by signal concentrator, realize simple, easy to maintenance, and cost is lower.Further, the active management of the smoke-temperature sensing fire-fighting detection system of networking can be realized like this.Such as, management main website transmitting order to lower levels, the dangerous situation in active probe somewhere, and for example, described signal concentrator is used for sending controling instruction to described local side side communication unit, described local side side communication unit is used for described steering order to be converted to optical control signal, be sent to the signal transceiver of the user side communication unit of corresponding user side polymer optical fiber communication ring, after user side communication unit receives optical control signal, control the detection information that plastic optical fiber detector carries out active probe or obtains plastic optical fiber detector, detection information is converted to light detecting signal by signal transceiver by user side communication unit, feed back to described local side side communication unit, be converted to detection information by it and send to described signal concentrator, described signal concentrator reports detection information to arrive management main website.And for example, management main website transmitting order to lower levels, the dangerous situation of active probe user side polymer optical fiber communication ring, described signal concentrator sending controling instruction is to described local side side communication unit, described steering order is converted to optical control signal by described local side side communication unit, be sent to the signal transceiver of each user side communication unit of corresponding user side polymer optical fiber communication ring, after each user side communication unit receives optical control signal, control the detection information that plastic optical fiber detector carries out active probe or obtains plastic optical fiber detector respectively, then, detection information is converted to light detecting signal by signal transceiver by each user side communication unit, feed back to described local side side communication unit respectively, be converted to detection information by it and send to described signal concentrator, each detection information is reported to management main website by described signal concentrator.
And for example, a kind of firefighting monitoring system based on plastic optical fiber, the described firefighting monitoring system based on plastic optical fiber comprises signal concentrator, local side side communication unit and at least one user side polymer optical fiber communication ring; Described signal concentrator is used for electric signal probe instructions to send to local side side communication unit; Described local side side communication unit is used for described electric signal probe instructions to be converted to optical signal detection instruction, and is sent by plastic optical fiber; At least one user side polymer optical fiber communication ring comprises by the ring-like multiple user sides communication unit be connected in series of plastic optical fiber.
Such as, a kind of firefighting monitoring system based on plastic optical fiber as shown in Figure 3, signal concentrator is by GPRS (General Packet Radio Service, general packet radio service technology) connection management main website, each user side communication unit connects a free-standing fire fighting detector, the communication unit series connection of some user sides, as a user side polymer optical fiber communication ring, it forms a loop network together with concentrator communication unit, and each free-standing fire fighting detector is cascaded by plastic optical fiber.
As shown in Figure 3, signal concentrator connects free-standing fire fighting detector, is connected, an overall formation annular after each free-standing fire fighting detector series connection with signal concentrator; Stand alone type smoke-temperature sensing fire fighting detector, it is active equipment.Multiple plastic optical fiber smoke transducer or plastic optical fiber temperature sensor is connected by plastic optical fiber under each detector, as shown in Figure 8, a fire fighting detector connects two plastic optical fiber temperature sensors and four plastic optical fiber smoke transducers respectively, comprise warming 1, warming 2, cigarette sense 1, cigarette sense 2, cigarette sense 3 and cigarette sense 4, plastic optical fiber smoke transducer is called for short plastic optical fiber cigarette sense or cigarette sense, plastic optical fiber temperature sensor is called for short plastic optical fiber warming or warming, wherein, the sense of plastic optical fiber cigarette or plastic optical fiber warming adopt inactive component, by smog during optical signal detecting incipient fire, high temperature signal, be used as fire-fighting alarm signal process.Such as, fire fighting detector, with the sense of plastic optical fiber cigarette, plastic optical fiber warming, with the structure in star shaped set, is connected by plastic optical fiber, by detector centralized control.Each fire fighting detector, there is detector communication unit inside, is connected in series by plastic optical fiber, forms a loop network, is connected to signal concentrator.The application of the structure of this networking is an innovation structure of the present invention.
And for example, the described firefighting monitoring system based on plastic optical fiber, its user side communication unit and detector are as shown in Figure 4, detector is a free-standing fire fighting detector, it can adopt existing fire fighting detector, be such as plastic optical fiber detector, described free-standing fire fighting detector connects the local communication interface of detector communication unit by its local communication interface.Stand alone type fire fighting detector and local communication interface thereof, form downlink, detector communication unit and Optical Receivers, optical transmission module with detector communication unit and local communication interface thereof, and the plastic optical fiber of transmitting-receiving light signal, form up-link.Detector communication unit also arranges electric receiver module, electric sending module, Optical Receivers, optical transmission module, transmitting-receiving indicating member and retransmission unit, electricity receiver module receives the electric signal of free-standing fire fighting detector from the local communication interface of detector communication unit, be sent to optical transmission module, by it by plastic optical fiber transmitting optical signal; The electric signal of this free-standing fire fighting detector, also by the local communication interface of detector communication unit, is sent to transmitting-receiving indicating member; Transmitting-receiving indicating member, for receiving and dispatching the electric signal of up-link and downlink, indicates.Optical Receivers, by plastic optical fiber receiving optical signals, is converted to electric signal, is sent to electric sending module, transmitting-receiving indicating member, retransmission unit respectively; The electric signal that this is converted to by light signal by electricity sending module, by the local communication interface of detector communication unit, is sent to free-standing fire fighting detector; The electric signal that this is converted to by light signal by retransmission unit, is sent to optical transmission module, by it by plastic optical fiber transmitting optical signal, to realize each described user side communication unit sequential series in each user side polymer optical fiber communication ring.
Such as, based on the communication system of plastic optical fiber, each detector is connected in series by detector communication unit, forms detection information transmission channel, wherein N>=1 with N number of loop; Namely the polymer optical fiber communication ring of N number of detector is defined.The transmitting-receiving node of each loop is by individual plastic Fiber connection, the i.e. many rings of single fiber.Detection information is the transparent transmitting-receiving of Physical layer at each transmitting-receiving node, to save plastic optical fiber resource.Such as, the reliability of control system should be carried out by the detector communication unit quantity that user side polymer optical fiber communication ring is connected based on the firefighting monitoring system of plastic optical fiber, by plastic optical fiber series connection reduction system link cost, and adopt transparent transmitting-receiving mode by detector communication unit, reduce complexity and the unit cost of detector communication unit, and then be conducive to reducing system cost, conveniently extensively promote.
Such as, concentrator communication unit is plastic optical fiber concentrator communication unit, it is by UART (Universal Asynchronous Receiver and Transmitter, UART Universal Asynchronous Receiver Transmitter) communication interface is connected with the communication interface of signal concentrator, such as, is connected with the local communication interface of signal concentrator.The optical transmission module of plastic optical fiber concentrator communication unit is connected with detector communication unit by plastic optical fiber with Optical Receivers.Plastic optical fiber concentrator communication unit has communication Protocol Conversion, instruction of receiving and sending messages, intercept from loop data, light-electricity or electrical-optical translation function.Preferably, plastic optical fiber concentrator communication unit uses low cost plastic optical fiber transceiver.
Such as, detector communication unit is plastic optical fiber detector communication unit, and it is connected with the local communication interface of free-standing fire fighting detector ammeter by UART communication interface.Plastic optical fiber on plastic optical fiber transceiver interface linkloop.Instruction of receiving and sending messages is provided, provides light-electricity, electrical-optical to change, light signal receipts/send out, forwarding capability.Because user side communication unit is not containing CPU and clock circuit, therefore have low in energy consumption, reliability is high, the advantage that cost is low.
In order to solve the technical matters how arranging central fire alarm control panel, preferably, described central fire alarm control panel is arranged on a signal concentrator inside.Such as, central fire alarm control panel is arranged on signal concentrator inside and connects described local side side communication unit; And for example, central fire alarm control panel is arranged on communication unit inside, local side side.In order to solve how by the technical matters of audible alarm, preferably, described central fire alarm control panel comprises loudspeaker.Like this, when receiving alerting signal, by the sound of loudspeaker, audible alarm can be carried out.In order to solve how by the technical matters of light warning, preferably, described central fire alarm control panel also comprises some LED light and control circuit thereof.Like this, when receiving alerting signal, by LED luminescence or flash of light, light warning can be carried out.
How realize the technical matters of reporting to the police by powered battery during at outside Circuit Interrupt to solve, preferably, described central fire alarm control panel also comprises the accumulator be connected with loudspeaker, control circuit respectively.Like this, even external circuit interrupts, also can be powered by accumulator, carry out audible alarm or light warning.How to make accumulator long-term work technical matters to solve, preferably, described central fire alarm control panel also comprises the solar charger be connected with accumulator.Like this, accumulator can provide electric energy for a long time incessantly, guiding discharge can not exhaust electric energy because the time is oversize.The technical matters how to arrange product space to solve, reducing the installation volume of central fire alarm control panel, preferably, described solar charger is connected by wire is long-range with accumulator.Like this, solar charger and accumulator split are arranged, and solar charger can be arranged on the place of light.Preferably, solar charger arranges silion cell, can charge under the environment of room light.
Adopt the firefighting monitoring system based on plastic optical fiber described in above-mentioned any embodiment, another embodiment is, based on a fire fighting monitoring method for plastic optical fiber, it comprises the following steps: by some user sides communication unit by the ring-like series connection of plastic optical fiber, form a user side polymer optical fiber communication ring; Described in each, user side communication unit connects a detector; Signal concentrator sending controling instruction is to local side side communication unit; Described steering order is converted to optical control signal by local side side communication unit, is sent at least one user side polymer optical fiber communication ring, and for each user side polymer optical fiber communication ring, described optical control signal sequential delivery is to each user side communication unit of series connection; Each user side communication unit, according to described optical control signal, obtains the detectable signal of the detector that it connects, and feeds back to described local side side communication unit.
Such as, alert process flow process as shown in Figure 5, the alerting signal data that stand alone type detector communication unit pick-up probe processor sends, stand alone type detector communication unit intercepts the gap of the data stream on polymer optical fiber communication ring at packet, described electric signal alert data is converted to light alarm data query, and is sent to polymer optical fiber communication ring; Next one stand alone type detector communication unit on polymer optical fiber communication ring continues to forward alert data, until light alarm data are issued concentrator communication unit by last free-standing detector communication unit of polymer optical fiber communication ring; The light signal status data received is converted to electrical signal status data by concentrator communication unit, and is transmitted to described signal concentrator; The free-standing detector alarm data received are reported Surveillance center by signal concentrator, Surveillance center and described management main website.Like this, main website of Surveillance center can issue query statement, checks the duty of each free-standing fire fighting detector, guarantees that each fire fighting detector is in normal duty.
Such as, the fire fighting monitoring method based on plastic optical fiber comprises the following steps:
1, signal concentrator receives the electric signal query statement that Surveillance center sends, and described query statement is for inquiring about each detector's status information;
2, described electric signal query statement is converted into light signal query statement by the communication unit of described signal concentrator, and is sent to polymer optical fiber communication ring by plastic optical fiber;
3, signal concentrator receives the status information of each detector, wherein, the status information of described each detector is the electrical signal status information light signal status information received converted to by concentrator communication unit, and described light signal status information is that the electrical signal status convert information fed back by each detector processor forms;
4, signal concentrator will receive each detector's status information, report Surveillance center.
Such as, as shown in Figure 6, signal concentrator receives the query statement that Surveillance center sends to polymer optical fiber communication ring process information querying flow; Described electric signal query statement is converted to light signal query statement by signal concentrator communication unit, and is sent to polymer optical fiber communication ring by plastic optical fiber; Stand alone type fire fighting detector communication unit is by polymer optical fiber communication ring receiving optical signals query statement; The light signal query statement received is converted to electric signal query statement by stand alone type fire fighting detector communication unit, electric signal query statement is sent to detector processor, and described light signal query statement is transmitted to next free-standing fire fighting detector communication unit; The electrical signal status data of stand alone type detector communication unit pick-up probe processor feedback, and convert light signal status data to and issue next free-standing detector communication unit, until light signal meter reading data is issued concentrator communication unit by last free-standing detector communication unit of polymer optical fiber communication ring; The light signal status data received is converted to electrical signal status data by concentrator communication unit, and is transmitted to described signal concentrator; Signal concentrator arranges each free-standing detector's status data, reports Surveillance center.
Such as, managing queries flow process as shown in Figure 7, management main website issues poll check instruction, signal concentrator is sent to by GPRS channel, signal concentrator is at one or more polymer optical fiber communication ring repeating query statement, each free-standing fire fighting detector in polymer optical fiber communication ring checks each acquisition sensor, and by result data feedback signal concentrator, polling data is sent to management main website by GPRS channel by signal concentrator, the inspection of management main website receives data, judge whether normal, compare historical data, judge whether normal, record each sensing point sensing data, complete inquiry, otherwise think generation ANOMALOUS VARIATIONS, carry out early warning, complete inquiry, the inspection of management main website receives data, when judging abnormal, carries out fault alarm, completes inquiry.Like this, just achieve top-down standalone probe, holistic management, active probe, take precautions against in time.Preferably, manage main website and query unit is set, for issuing poll check instruction; Whether preferably, management main website also arranges the first judging unit, normal for judging to receive data; Whether preferably, management main website also arranges the second judging unit, normal compared with historical data for judging the data received; Preferably, management main website also arranges prewarning unit, carries out early warning during for ANOMALOUS VARIATIONS occurs; Preferably, manage main website and also alarm unit is set, for carrying out initiative alarming during fault; Preferably, management main website also arranges record cell, after completing inquiry, generate log recording.
Like this, by adopting plastic optical fiber to form annular communication network, free-standing optical fiber smoke-temperature sensing fire detection system is formed the optical fiber smoke-temperature sensing fire detection system of a network-type.Each free-standing optical fiber smoke-temperature sensing fire detection system alerting signal, passes to signal concentrator by polymer optical fiber communication net, and unification is up is sent to upper management mechanism and person liable.Further, management host can issue query statement, to the free-standing optical fiber smoke-temperature sensing fire detection system poll of subordinate, checks the duty of each detector, and record.By comparing the status data of record, can give warning in advance, finding disaster hidden-trouble.Should additionally provide the administrative mechanism of inquiry based on the firefighting monitoring system of plastic optical fiber, each free-standing fire-fighting system needs the duty clearly reporting each probe, guarantees the reliability of fire-fighting system.
Further, embodiments of the invention also comprise, each technical characteristic of the various embodiments described above, the firefighting monitoring system based on plastic optical fiber be mutually combined to form, provide a kind of top-down management structure, realize the active management method of the smoke-temperature sensing fire-fighting detection system to networking, the overall scope controlling to monitor is larger, improve fire fighting equipment operational reliability, Timeliness coverage disaster hidden-trouble.
It should be noted that, preferred embodiment of the present invention is given in instructions of the present invention and accompanying drawing thereof, but, the present invention can be realized by many different forms, be not limited to the embodiment described by this instructions, these embodiments not as the extra restriction to content of the present invention, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.Further, above-mentioned each technical characteristic continues combination mutually, is formed not in above-named various embodiment, is all considered as the scope that instructions of the present invention is recorded; Further, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. based on a firefighting monitoring system for plastic optical fiber, it is characterized in that, comprise signal concentrator, local side side communication unit and at least one user side polymer optical fiber communication ring;
Described user side polymer optical fiber communication ring comprises several user side communication units, and each described user side communication unit is by the ring-like series connection of plastic optical fiber;
Described in each, user side communication unit connects a detector;
Described signal concentrator is used for sending controling instruction to described local side side communication unit;
Described local side side communication unit is used for described steering order to be converted to optical control signal, is sent at least one described user side polymer optical fiber communication ring, and receives the detectable signal of each detector sent from least one described user side polymer optical fiber communication environment-development.
2. according to claim 1 based on the firefighting monitoring system of plastic optical fiber, it is characterized in that, in the polymer optical fiber communication ring of described user side, the transmitting-receiving node of each loop is by individual plastic Fiber connection.
3. according to claim 1 based on the firefighting monitoring system of plastic optical fiber, it is characterized in that, described local side side communication unit comprises optical transmission module and Optical Receivers, and by plastic optical fiber, connects described user side communication unit.
4. according to any one of claims 1 to 3 based on the firefighting monitoring system of plastic optical fiber, it is characterized in that, described detector is free-standing fire fighting detector, and connects at least one plastic optical fiber sensor.
5. the firefighting monitoring system based on plastic optical fiber according to claim 4, is characterized in that, described steering order comprises the signal of the duty checking each free-standing fire fighting detector.
6. the firefighting monitoring system based on plastic optical fiber according to claim 5, is characterized in that, the detectable signal of described each detector comprises the duty and/or alerting signal that each free-standing fire fighting detector feeds back according to described steering order.
7. fire-fighting detection system according to claim 6, it is characterized in that, described local side side communication unit comprises the plastic optical fiber concentrator communication unit be connected with signal concentrator, and described user side communication unit comprises the plastic optical fiber detector communication unit be connected with each free-standing fire fighting detector.
8. fire-fighting detection system according to claim 6, it is characterized in that, described plastic optical fiber concentrator communication unit is connected with the local communication interface of signal concentrator by UART communication interface, the optical transmission module of plastic optical fiber concentrator communication unit is connected with plastic optical fiber detector communication unit by plastic optical fiber with Optical Receivers, plastic optical fiber detector communication unit is connected with the local communication interface of free-standing fire fighting detector by UART communication interface, and connects the plastic optical fiber on described polymer optical fiber communication loop by plastic optical fiber transceiver interface.
9., based on a fire fighting monitoring method for plastic optical fiber, it is characterized in that, comprise the following steps:
By some user sides communication unit by the ring-like series connection of plastic optical fiber, form a user side polymer optical fiber communication ring;
Described in each, user side communication unit connects a detector;
Signal concentrator sending controling instruction is to local side side communication unit;
Described steering order is converted to optical control signal by local side side communication unit, is sent at least one user side polymer optical fiber communication ring, and for each user side polymer optical fiber communication ring, described optical control signal sequential delivery is to each user side communication unit of series connection;
Each user side communication unit, according to described optical control signal, obtains the detectable signal of the detector that it connects, and feeds back to described local side side communication unit.
10. method according to claim 9, it is characterized in that, described steering order comprises the signal of the duty checking each free-standing fire fighting detector, and the detectable signal of described each detector comprises the duty and/or alerting signal that each free-standing fire fighting detector feeds back according to described steering order.
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Application publication date: 20150311 |