CN109035670A - A kind of fire alarm system and its address coding method - Google Patents
A kind of fire alarm system and its address coding method Download PDFInfo
- Publication number
- CN109035670A CN109035670A CN201811188714.4A CN201811188714A CN109035670A CN 109035670 A CN109035670 A CN 109035670A CN 201811188714 A CN201811188714 A CN 201811188714A CN 109035670 A CN109035670 A CN 109035670A
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- Prior art keywords
- fire
- alarm
- addressed
- addressed location
- electrically connected
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Classifications
-
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/003—Address allocation methods and details
Abstract
The invention proposes a kind of fire alarm system and its address coding methods, broadcast mode is set and periodically sends inspection order to each addressed location, there is no the addressed location of warning message not response the broadcast message that alarm controller is sent, the addressed location that alarm signal only occurs just makes response to broadcast message, the address code of the addressed location is sent simultaneously, simultaneously, the mode of full-duplex communication is used between addressed location and alarm, alarm controller periodically sends inspection order, when fire occurring during inspection order twice is sent, the addressed location in the region can actively send the address code of the addressed location to alarm controller, this communication mode can reduce the corresponding time of fire-alarm, the speed that alarm controller receives warning message is fast；Whole system addresses the addressed location in bus using addressed device, can reduce address code and error rate occurs, it is few to reduce system debug step.
Description
Technical field
The present invention relates to fire alarm field more particularly to a kind of fire alarm systems and its address coding method.
Background technique
Current most commonly used alarm system uses bus-type automatic fire alarm system, and such automatic alarm system is by micro-
Processor control, line system generally have two-wire system, three-wire system and four-wire system, and detector module is all made of address code form, lead to
It crosses bus and controller realizes signal transmission.The alarm form of detector be switching value, its sensitivity during fabrication, by hardware
It determines, cannot be adjusted.Such system can carry out field programming, carry out each interlocking equipment more complex control by various modules
System.Such system not only have alarm and control dual function, but also construct, install it is more convenient, it is cheap.Bus-type fire
The installation and debugging method of calamity automatic alarm system generally comprises the steps: 1) according to floor plan paper cloth line, and installing fire
Calamity alarm controller and each bus apparatus pedestal；2) each bus loop is successively addressed using addressed device, and corresponding installation
On the bus apparatus pedestal of each bus loop；3) controller is opened, is registered in register interface；4) fire alarm is checked
Whether the number-of-registration of each bus loop and actual installation quantity are consistent in controller.But existing installation and debugging method and step
It is more, and be not easy to modify after addressing error, in the case where alarm is more, the speed that controller receives warning message is slow.
Now need a kind of low addressing debugging errors rate, the reception fireballing alarm system of warning message and its addressing method.
Summary of the invention
In view of this, the invention proposes a kind of addressing debugging errors rates, low, the fireballing alarm of reception warning message is
System and its addressing method.
The technical scheme of the present invention is realized as follows: the present invention provides a kind of fire alarm system and its address codes
Method comprising following steps:
S101, according to floor plan paper cloth line, and fire alarm control unit and each bus apparatus pedestal are installed；
S102, addressed device is installed on bus apparatus pedestal, the addressed location in each bus loop is divided into 1-64
Group successively addresses the addressed location in bus using addressed device, carries out addressing in group to the equipment in every group addressing unit；
S103, alarm controller send the inspection including inspection condition code to addressed location in a broadcast manner by bus
Order；
If not responsing when S104, addressed location no alarms and no surprises；If alarm occurs for addressed location, the addressing list
Member includes the address code of the coding unit into itself response message that alarm controller returns；
S105, when certain group addressing unit occur alarm signal when, what which returned to alarm controller itself answers
Answer the address code in information including the coding unit；
S106, alarm controller, which receive, occurs the address code that the addressed location of alarm signal is sent, and alarms.
On the basis of above technical scheme, it is preferred that addressed location include: fire detector, manual pull station and
Fire hydrant button.
It is further preferred that fire detector and bus apparatus pedestal are electrically connected.
The present invention also provides a kind of fire alarm systems comprising: alarm controller, detecting module and A/D converter,
It further include addressed device, modulation module；
Modulation module is electrically connected with alarm controller and detecting module respectively, A/D converter respectively with alarm controller
It is electrically connected with detecting module, addressed device and detecting module are electrically connected；
Detecting module is addressed using addressing method as described in claim 1, the temperature at detecting module detection scene with
And smokescope, when detecting module detection live smokescope or temperature data are higher than preset threshold, detecting module is issued
Warning message；
Modulation module is modulated analog baseband signal, makes multiple baseband signals same on wire channel after ovennodulation
When transmit；
Addressed device successively addresses detecting module.
On the basis of above technical scheme, it is preferred that detecting module include: fire detector, manual pull station and
Fire hydrant button；
Fire detector is electrically connected with modulation module and A/D conversion circuit respectively, manual pull station respectively with fire
Detector and addressed device are electrically connected, and fire hydrant button is electrically connected with fire hydrant and addressed device respectively.
It is further preferred that fire detector is according to temperature and the size of smokescope, if fire condition is divided into
Dry grade, and present level is transmitted to alarm controller and carries out different grades of alarm.
It still more preferably, further include the bus apparatus pedestal being electrically connected with fire detector.
It still more preferably, further include memory module；
Memory module stores the result of each fire detector detection；
Memory module and alarm controller are electrically connected.
Of the invention a kind of fire alarm system and its address coding method have below compared with the existing technology beneficial to effect
Fruit:
(1) setting broadcast mode periodically sends inspection order to each addressed location, not the addressed location pair of warning message
The broadcast message that alarm controller is sent does not response, and the addressed location of only generation alarm signal, which just makes broadcast message, answers
It answers, while sending the address code of the addressed location, meanwhile, the mode of full-duplex communication is used between addressed location and alarm,
Alarm controller periodically sends inspection order, when fire occurring during inspection order twice is sent, the addressed location in the region
The address code of the addressed location can be actively sent to alarm controller, this communication mode can reduce the phase of fire-alarm
Between seasonable, the speed that alarm controller receives warning message is fast；
(2) whole system addresses the addressed location in bus using addressed device, can reduce address code and go out
Existing error rate, it is few to reduce system debug step.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of flow chart of fire alarm address coding method of the invention；
Fig. 2 is the decoded flow chart of alarm controller in a kind of fire alarm address coding method of the invention；
Fig. 3 is a kind of structure chart of fire alarm system of the invention.
Specific embodiment
Below in conjunction with embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clearly and completely
Description, it is clear that described embodiment is only some embodiments of the invention, rather than whole embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments shall fall within the protection scope of the present invention.
Embodiment one,
As shown in Figure 1, a kind of fire alarm address coding method of the invention comprising following steps:
S101, according to floor plan paper cloth line, and fire alarm control unit and each bus apparatus pedestal are installed；
S102, addressed device is installed on bus apparatus pedestal, the addressed location in each bus loop is divided into 1-64
Group successively addresses the addressed location in bus using addressed device, carries out addressing in group to the equipment in every group addressing unit；
S103, alarm controller send the inspection including inspection condition code to addressed location in a broadcast manner by bus
Order；
If not responsing when S104, addressed location no alarms and no surprises；If alarm occurs for addressed location, the addressing list
Member includes the address code of the coding unit into itself response message that alarm controller returns；
S105, when certain group addressing unit occur alarm signal when, what which returned to alarm controller itself answers
Answer the address code in information including the coding unit；
S106, alarm controller, which receive, occurs the address code that the addressed location of alarm signal is sent, and alarms.
In S104 in the present embodiment, when warning message only occurs, response is just done, meanwhile, addressed location and alarm
The mode of full-duplex communication is used between device, alarm controller periodically sends inspection order, during inspection order twice is sent
When fire occurs, the addressed location in the region can actively send the address code of the addressed location to alarm controller.
Wherein, addressed location includes: fire detector, manual pull station and fire hydrant button.Fire detector and total
Line equipment base is electrically connected.
A total of 31 byte of the data message of addressed location to alarm controller one-way communication, comprising:
3EI000002A2000300050000000056330020130718202320000000000 000008,
Wherein:
3EI------------------ fixed format；
000002--------------- Case Number；
A200030005----------- addressed location group number；
The address code of the fire sensor of fire alarm occurs for 0000000056-----------；
3300----------------- Case Number, 3300 indicate fire alarm, and 2000 indicate sensor fault；
The 20130718202320------- time；
000000000000008------ data postamble.
Embodiment two,
On the basis of example 1, a kind of S103 in fire alarm address coding method and S104 can be with are as follows:
It includes inspection condition code and address that S103, alarm controller are sent to addressed location in a broadcast manner by bus
The inspection order of code；
S104, when the address code for including in the received inspection order of some addressed location is matched with the address code of itself,
The addressed location returns to the response message of itself to alarm controller；
In this fact Example, changes the content of S103 and S104, can more accurately know the real-time shape of each addressed location
State, remaining the step of be the same as example 1, it is no longer burdensome herein.
Embodiment three,
On the basis of embodiment one or embodiment two, the address code of the fire detector in addressed location can also be adopted
It being encoded with binary-coded method, the IP address of fire detector is 32 binary addresses, for example,
11000000.10101000.00101110.01001111 frequently with dotted decimal notation method, such as: 192.168.46.79, with
It is 32 bit address that IP address, which first corresponds to mask, when mask and IP address progress " logical AND " operation by turn, so that it may
The network ID of the IP address out.When alarming, addressed location is by the network address of the fire detector of alert
It is sent to fire alarm control unit.
Alarm controller receive 31 bytes data message or 32 bytes binary address when, using address resolution
Agreement ARP carries out address resolution, wherein the method for parsing the following steps are included:
S201, alarm controller send ARP request to the fire detector of each addressed location in a broadcast manner, and ARP is asked
Include the IP address required to look up in asking, searches the fire detector IP address for sending warning message；
After fire detector in S202, each addressed location receives ARP request, the IP address and itself IP in ARP are matched
The fire detector of address, successful match makes arp reply；
S203, the fire detector for needing to make arp reply send the fire to alarm controller in the form of unicast and visit
The physical address for surveying device is alarmed after alarm controller receives the physical address of the fire detector.
Wherein, ARP is the abbreviation of address resolution protocol, and IP address may be implemented and be mapped to physical address.
Embodiment three,
The present invention provides a kind of fire alarm systems comprising alarm controller, fire detector, manual alarm are pressed
Button, fire hydrant button, A/D converter, addressed device, modulation module, bus apparatus pedestal and memory module.
Fire detector detects the temperature and smokescope size at scene, when there is fire, by temperature and smog
The physical quantity of concentration is converted into electric signal, and is acted immediately to transmission alarm signal.In the present embodiment, fire detector according to
Fire condition is divided into 4 grades by the temperature and smokescope size at scene, respectively special fire disaster, fire disaster,
Compared with conflagration and general fire, fire detector does rough judgement to live fire condition, and fire fighter is facilitated to carry out accordingly
Preparation.Wherein, fire detector is electrically connected with modulation module, A/D converter and bus apparatus pedestal respectively.
A/D converter, the current signal that fire detector is converted is converted into can be by the received number of alarm controller
Signal.A/D converter is electrically connected with alarm controller and fire detector respectively.
Manual pull station releases alarm after fire incident elimination manually or manual key realizes warning function.Manually
Alarm button and fire detector are electrically connected.
Fire hydrant button opens fire hydrant in the moment pressed, fire fighter is facilitated to put out a fire.Fire hydrant button and fire hydrant
It is electrically connected.
Addressed device carries out the address code of 31 bytes to fire detector, manual pull station and fire hydrant button.It compiles
Location equipment and fire detector, manual pull station and fire hydrant button are electrically connected.
Modulation module is modulated analog baseband signal, allows multiple baseband signals after ovennodulation on wire channel
Simultaneous transmission.Modulation module is electrically connected with alarm controller and fire detector respectively.
Memory module is that storage fire detector detects as a result, so that next time searches information.
The foregoing is merely better embodiments of the invention, are not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of fire alarm system address coding method comprising following steps:
S101, according to floor plan paper cloth line, and fire alarm control unit and each bus apparatus pedestal are installed；
S102, addressed device is installed on bus apparatus pedestal, the addressed location in each bus loop is divided into 1-64 group, is made
The addressed location in bus is successively addressed with addressed device, addressing in group is carried out to the equipment in every group addressing unit；
S103, alarm controller send the inspection including inspection condition code to addressed location in a broadcast manner by bus and order
It enables；
If not responsing when S104, addressed location no alarms and no surprises；If addressed location occur alarm, the addressed location to
It include the address code of the coding unit in itself response message that alarm controller returns；
S105, when alarm signal occurs for certain group addressing unit, itself response which returns to alarm controller is believed
It include the address code of the coding unit in breath；
S106, alarm controller, which receive, occurs the address code that the addressed location of alarm signal is sent, and alarms.
2. a kind of fire alarm system as described in claim 1 and its address coding method, it is characterised in that: the addressing is single
Member includes: fire detector, manual pull station and fire hydrant button.
3. a kind of fire alarm system as claimed in claim 2 and its address coding method, it is characterised in that: the fire is visited
It surveys device and bus apparatus pedestal is electrically connected.
4. a kind of fire alarm system comprising: alarm controller, detecting module and A/D converter, it is characterised in that: also wrap
Include addressed device, modulation module；
The detecting module is addressed using addressing method as described in claim 1, the temperature at detecting module detection scene with
And smokescope, when detecting module detection live smokescope or temperature data are higher than preset threshold, detecting module is issued
Warning message；
The modulation module is modulated analog baseband signal, makes multiple baseband signals same on wire channel after ovennodulation
When transmit；
The addressed device successively addresses detecting module；
The modulation module is electrically connected with alarm controller and detecting module respectively, A/D converter respectively with alarm controller
It is electrically connected with detecting module, addressed device and detecting module are electrically connected.
5. a kind of fire alarm system as claimed in claim 4, it is characterised in that: the detecting module includes: fire detection
Device, manual pull station and fire hydrant button；
The fire detector is electrically connected with modulation module and A/D conversion circuit respectively, manual pull station respectively with fire
Detector and addressed device are electrically connected, and fire hydrant button is electrically connected with fire hydrant and addressed device respectively.
6. a kind of fire alarm system as claimed in claim 5, it is characterised in that: the fire detector according to temperature and
Fire condition is divided into several grades, and present level is transmitted to alarm controller and is carried out not by the size of smokescope
The alarm of ad eundem.
7. a kind of fire alarm system as claimed in claim 5, it is characterised in that: further include being electrically connected with fire detector
Bus apparatus pedestal.
8. a kind of fire alarm system as claimed in claim 5, it is characterised in that: further include memory module；
The memory module stores the result of each fire detector detection；
The memory module and alarm controller are electrically connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811188714.4A CN109035670A (en) | 2018-10-12 | 2018-10-12 | A kind of fire alarm system and its address coding method |
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| CN201811188714.4A CN109035670A (en) | 2018-10-12 | 2018-10-12 | A kind of fire alarm system and its address coding method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110349387A (en) * | 2019-07-12 | 2019-10-18 | 南京中消安全技术有限公司 | The addressing method of fire detection alarm system and wherein detector |
| CN110533895A (en) * | 2019-09-29 | 2019-12-03 | 赛特威尔电子股份有限公司 | A kind of inspection method and fire alarm installation of fire-alarm |
| CN110971340A (en) * | 2019-10-17 | 2020-04-07 | 北京邮电大学 | Disaster information coding and decoding method and device based on tree structure |
| WO2020133060A1 (en) * | 2018-12-27 | 2020-07-02 | 深圳市大疆创新科技有限公司 | Control method, motor driving apparatus, control apparatus, and movable platform |
| CN112999554A (en) * | 2021-04-12 | 2021-06-22 | 北京安普路安全技术有限公司 | Kitchen automatic fire extinguishing dynamic simulation platform |
| CN114419828A (en) * | 2021-12-10 | 2022-04-29 | 珠海派诺科技股份有限公司 | Method and device for actively and quickly acquiring detector in electrical fire monitoring communication |
| CN115311801A (en) * | 2022-08-12 | 2022-11-08 | 营口天成消防设备有限公司 | Coding method for fire-fighting two-bus equipment and infrared combination |
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