CN109215273A - A kind of fire alarm control system and method - Google Patents
A kind of fire alarm control system and method Download PDFInfo
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- CN109215273A CN109215273A CN201811038910.3A CN201811038910A CN109215273A CN 109215273 A CN109215273 A CN 109215273A CN 201811038910 A CN201811038910 A CN 201811038910A CN 109215273 A CN109215273 A CN 109215273A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000001360 synchronised effect Effects 0.000 claims abstract description 120
- 230000000737 periodic effect Effects 0.000 claims description 14
- 230000000630 rising effect Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 6
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 208000033748 Device issues Diseases 0.000 claims description 2
- 230000006698 induction Effects 0.000 abstract description 7
- 230000000007 visual effect Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 230000003111 delayed effect Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
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- 238000004378 air conditioning Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001037 epileptic effect Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 239000000779 smoke Substances 0.000 description 1
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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
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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
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
- G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
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- 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
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
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Abstract
The present invention is suitable for field of security technology, provides a kind of fire alarm control system and method, the system comprises: trigger device；Editable address formula Fire alarm device；Control host；The trigger device and Fire alarm device are hung in parallel in two fire-fighting buses being connected with the control host.The embodiment of the present invention sends synchronous sequence signal to Fire alarm device by control host, drives Fire alarm device synchronous light-emitting, prevents the asynchronous induction of light-emitting flash dangerous, protects personal safety.The embodiment of the present invention is not necessarily to additional synchronization module, reduces wiring complexity and customer using cost.And since present invention employs the Fire alarm devices of editable address, fire alarm control system can obtain the operating status of each address formula combined aural and visual alarm in real time, and independent or whole control, debugging are carried out to Fire alarm device, improve the property easy to use of user.
Description
Technical field
The invention belongs to field of security technology more particularly to a kind of fire alarm control system and methods.
Background technique
With the development of modernization construction, various types industrial building builds accelerated development, to building in process of construction
The prevention of fire is increasingly valued by the people.Novel building mostly has that densely populated place, equipment are advanced, function is more, decoration is bold and unconstrained
The features such as magnificent, building fire are huge to loss caused by the mankind.NFA method has been promulgated related to implementing in recent years
Laws and regulations, the height of law is raised in engineering construction to the prevention of fire." the prevention that fire-fighting system requirements is implemented
Based on, combine prevention with fire fighting " principle indicate that automatic fire alarm system will play the part of more importantly role again.
Fire alarm device is in automatic fire alarm system, to issue the alarm of fire for being different from environment sound or light
The device of signal.There is certain requirement to the performance of alarm of fire notification unit, position and installation in practical applications, both existed
To guarantee that both sound and light will reach requirement to notification message in certain region, this will make can be same on a room or a passageway
When two or more alarm of fire notification unit is installed, although these equipment are all connected in the bus of same controller, by
In the otherness of each device element, when the work of alarm of fire notification unit, some speeds of the flashing federation of light, if flashing
It is asynchronous, the breaking-out as epileptics etc. will be induced, is caused damages to the person, " NFPA72- National Fire alarm specification " regulation
The speed time between alarm of fire notification unit must be within 10MS.
It shines nonsynchronous problem for each Fire alarm device, it is domestic clear not yet for the standard of phototiming at present
Regulation, protects this aspect for personal safety, stringent without some developed countries, so the domestic synchronism for light is still
Blank.As shown in Figure 1, the U.S. generallys use conventional fire alarm device, i.e. conventional notification circuitry about phototiming
(NAC), the requirement of phototiming is met using NAC Fire alarm device and the control additional synchronization module of host.
Summary of the invention
The embodiment of the present invention provides a kind of fire alarm control system, it is intended to solve the luminous difference of Fire alarm device
The problem of step.
The embodiments of the present invention are implemented as follows, a kind of fire alarm control system, the system comprises:
It is mounted on and keeps the scene intact, the trigger device for issuing warning trigger signal when fire generation can monitored；
Be mounted on keep the scene intact, the editable address formula Fire alarm device of capable of emitting alarm of fire signal；And
According to the warning trigger signal that the trigger device issues, synchronous sequence signal is generated, according to the alarm of fire
The address of device is sent to the Fire alarm device, controls the synchronous control for issuing alarm of fire signal of the Fire alarm device
Host processed；
The trigger device and Fire alarm device are hung on two fire-fighting buses being connected with the control host in parallel
On.
Further, the control host includes:
The signal receiving module for the warning trigger signal that trigger device described in real-time reception issues；
According to the warning trigger signal, the synchronization signal generation module of synchronous sequence signal is generated；And
The synchronous sequence signal is sent to the Fire alarm device according to the address of the Fire alarm device
Signal transmitting module.
Further, the Fire alarm device includes:
The communication module of information exchange is carried out with control host；
The warning signal module of capable of emitting alarm of fire signal；
The micro treatment module of analysis and processing synchronous sequence signal.
Further, the synchronous sequence signal includes synchronous guidance code；
Each Fire alarm device is after receiving the synchronous guidance code that the control host issues, with subsequent
M-th of (m is non-zero natural number) rising edge in synchronous sequence signal is synchronous base, issues the fire for being different from environment sound or light
Calamity alarm signal.
Further, the synchronous guidance code includes the following signal successively sent:
The low level signal of T1 milliseconds of delay；
The high level signal of T2 milliseconds of delay；
The low level signal of T3 milliseconds of delay；
The high level signal of T4 milliseconds of delay；
Described T1, T2, T3, T4 are unrelated, and are all larger than 0.
Further, the synchronous sequence signal further includes n (n is non-zero natural number) periodic signals, each institute
Stating periodic signal includes:
The low level signal of T5 milliseconds of delay；
The high level signal of T6 milliseconds of delay；
Described T5, T6 are unrelated, and are all larger than 0.
Further, the fire alarm control system further includes fire-fighting link device, and the fire-fighting link device is logical
The fire-fighting bus is crossed to connect with the control host.
Further, the control host is by the fire-fighting bus to the trigger device, Fire alarm device
And fire-fighting link device power supply.
The embodiment of the present invention also provides a kind of fire alarming and controlling method, and described method includes following steps:
Trigger device keep the scene intact monitor fire after send warning trigger signal to control host；
It controls host and sends synchronous sequence signal to the fire according to the address of editable address formula Fire alarm device
Alarm device；
After the Fire alarm device receives the synchronous sequence signal that the control host issues, alarm of fire letter is issued
Number, carry out fire alarm.
Further, the control host sends synchronous sequence according to the address of editable address formula Fire alarm device
Signal gives the step of Fire alarm device specifically:
The warning trigger signal that trigger device described in real-time reception issues；
According to the warning trigger signal, synchronous sequence signal is generated；
The synchronous sequence signal is sent to the Fire alarm device according to the address of the hair Fire alarm device.
Further, the synchronous sequence signal includes synchronous guidance code；
Each Fire alarm device is after receiving the synchronous guidance code that the control host issues, with subsequent
M-th of rising edge in synchronous sequence signal is synchronous base, issues the alarm of fire signal for being different from environment sound or light.
Further, the synchronous guidance code includes the following signal successively sent:
The low level signal of T1 milliseconds of delay；
The high level signal of T2 milliseconds of delay；
The low level signal of T3 milliseconds of delay；
The high level signal of T4 milliseconds of delay.
Further, the synchronous sequence signal further includes n periodic signal, each described periodic signal includes:
The low level letter of T5 milliseconds of delay；
The high level signal of T6 milliseconds of delay.
The present invention at least have the advantages that the embodiment of the present invention by control host send synchronous sequence signal to
Fire alarm device drives Fire alarm device synchronous light-emitting, prevents the asynchronous induction of light-emitting flash dangerous, protects person peace
Entirely.The embodiment of the present invention is not necessarily to additional synchronization module, reduces wiring complexity and customer using cost.And due to this
Invention uses the Fire alarm device of editable address, and fire alarm control system can obtain each address formula sound in real time
The operating status of light crossing-signal, and independent or whole control, debugging are carried out to Fire alarm device, improve the use of user just
Victory.
Detailed description of the invention
Fig. 1 is the fire alarm control system frame structure schematic diagram that the prior art provides；
Fig. 2 is the fire alarm control system frame structure schematic diagram of embodiment one provided by the invention；
Fig. 3 is the control host frame structure schematic diagram of embodiment two provided by the invention；
Fig. 4 is the Fire alarm device structural schematic diagram of embodiment three provided by the invention；
Fig. 5 is the Fire alarm device frame structure schematic diagram of embodiment three provided by the invention；
Fig. 6 is a kind of embodiment synchronous communications protocol flow chart of the invention；
Fig. 7 is synchronous sequence signal figure provided in an embodiment of the present invention；
Fig. 8 is the fire alarm control system structural schematic diagram of embodiment seven provided by the invention；
Fig. 9 is the fire alarming and controlling method flow schematic diagram of embodiment nine provided by the invention；
Figure 10 is the S2 steps flow chart schematic diagram of the fire alarming and controlling method of embodiment nine provided by the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The scheme of the prior art is to realize Fire alarm device synchronous light-emitting by one synchronization module of additional, this
After inventive embodiments generate synchronous sequence signal according to the alarm signal received by control host, it is alert to be sent to the fire
Reporting device makes the synchronous alarm of each Fire alarm device, prevents the asynchronous induction of light-emitting flash dangerous, protects personal safety, and nothing
Additional synchronization module is needed, wiring complexity and customer using cost are reduced.
Embodiment one
As shown in Fig. 2, a kind of fire alarm control system, comprising:
It is mounted on and keeps the scene intact, the trigger device 1 for issuing warning trigger signal when fire generation can monitored；
Be mounted on keep the scene intact, the editable address formula Fire alarm device 2 of capable of emitting alarm of fire signal；And
According to the warning trigger signal that trigger device 1 issues, synchronous sequence signal is generated, according to Fire alarm device 2
Address is sent to Fire alarm device 2, the synchronous control host 3 for issuing alarm of fire signal of control Fire alarm device 2；
Trigger device 1 and Fire alarm device 2 are hung in parallel in two fire-fighting buses 4 being connected with control host.
Specifically, trigger device 1, for monitoring in environment whether fire occurs, being typically mounted at needs protection to be protected existing
, such as hospital, school, public place of entertainment；
The warning trigger signal that control host 3 is used to be issued according to trigger device 1, generates synchronous sequence signal, according to fire
The address of calamity alarm device 2 is sent to Fire alarm device 2, and control Fire alarm device 2 is synchronous to issue alarm of fire signal, control
Host 3 processed is mounted on the places such as control room or the duty room of building；
The fire alarm letter of ambient sound, light is different from when Fire alarm device 2 is used to that fire to occur in the sending that keeps the scene intact
Number, being typically mounted to be protected need to keep the scene intact, such as hospital, school, public place of entertainment.In the embodiment of the present invention, fire is alert
Reporting device 2 is built-in with LED light.
In the present invention, Fire alarm device 2 is editable address formula combined aural and visual alarm.
Specifically, control host 3 can be according to the operating status of each editable address formula combined aural and visual alarm and corresponding
The address of editable address formula combined aural and visual alarm corresponding editable address formula combined aural and visual alarm is carried out individually or whole is controlled
System, debugging, the quantity of editable address formula combined aural and visual alarm are needed to configure according to actual use.
In the present invention, trigger device 1 is smoke detector, heat detector, flame detector, combustible gas detecting
Device, image detector, combination type fire detector or manual pull station it is one or more.
In the present invention, trigger device 1 and Fire alarm device 2 itself be not self-powered, by control host 3 by disappearing
Anti- bus 4 is powered to trigger device 1 and Fire alarm device 2.Supply lines and signal wire are combined into one by fire-fighting bus 4, can be with
Signal is transmitted to trigger device 1 and Fire alarm device 2 simultaneously and power supply is provided.
The embodiment of the present invention sends synchronous sequence signal to Fire alarm device 2 by control host 3, drives alarm of fire
2 synchronous light-emitting of device prevents the asynchronous induction of light-emitting flash dangerous, protects personal safety.The embodiment of the present invention increases without additional
If synchronization module reduces wiring complexity and customer using cost.And since present invention employs the fire of editable address
Calamity alarm device 2, fire alarm control system can obtain the operating status of each Fire alarm device in real time, and to fire
Alarm device carries out individually or entirety is controlled, debugged, and improves the property easy to use of user.
Embodiment two
As shown in figure 3, control host 3 includes:
The signal receiving module 31 for the warning trigger signal that trigger device described in real-time reception issues；
According to the warning trigger signal, the synchronization signal generation module 32 of synchronous sequence signal is generated；And
The signal that synchronous sequence signal is sent to Fire alarm device 2 is sent into mould according to the address of Fire alarm device 2
Block 33.
The embodiment of the present invention passes through the warning trigger signal that 31 real-time reception trigger device 1 of signal receiving module issues, then
32 are generated by synchronization signal, synchronous sequence signal is generated according to warning trigger signal, when last signal transmitting module 33 will be synchronous
Sequential signal is sent to Fire alarm device 2, drives 2 synchronous light-emitting of Fire alarm device, prevents the asynchronous induction danger of light-emitting flash
Personal safety is protected in danger.
Embodiment three
As shown in Figure 4, Figure 5, Fire alarm device includes:
The communication module 23 of information exchange is carried out with control host；
The warning signal module 21 of capable of emitting alarm of fire signal；
The micro treatment module 24 of analysis and processing synchronous sequence signal.
Two bus signals terminals 22 are additionally arranged on 2 shell of Fire alarm device, it is internal that there is bus transmission circuit, lead to
The bus signals terminal 22 of the conducting wire insertion Fire alarm device 2 of fire-fighting bus 4 will be connected by crossing, and Fire alarm device can be realized
2 with control host 3 communication connection.
Example IV
Synchronous sequence signal includes synchronous guidance code；
Each Fire alarm device is after receiving the synchronous guidance code that control host issues, with subsequent synchronous sequence
M-th of (m is non-zero natural number) rising edge in signal is synchronous base, issues the alarm of fire letter for being different from environment sound or light
Number.
Difference due to the otherness of each Fire alarm device and with control host distance, each Fire alarm device hair
The time for being different from the alarm of fire signal of environment sound or light out can have differences.In the embodiment of the present invention, guided by synchronous
The guidance of code guides each Fire alarm device to enter synchronous light-emitting preparation, makes each Fire alarm device, can be with subsequent
(m is a non-zero natural number of any setting, and such as 20) rising edge is synchronous base, is issued for m-th in synchronous sequence signal
It is different from the alarm of fire signal of environment sound or light.
Embodiment five
Synchronous guidance code includes the following signal successively sent:
The low level signal of T1 milliseconds of delay；
The high level signal of T2 milliseconds of delay；
The low level signal of T3 milliseconds of delay；
The high level signal of T4 milliseconds of delay；
Described T1, T2, T3, T4 are unrelated, and are all larger than 0.
The embodiment of the present invention can be by the low level signal of 20 milliseconds (T1) that is delayed, the high level letter of 20 milliseconds of delay (T2)
Number, synchronous guiding of forming of the high level signal of the low level signal of delay 20 milliseconds (T3) and delay 900-920 millisecond (T4)
Code.The form of synchronous guidance code can multiplicity, be not limited to above-mentioned, the high level signal of multiple and different delays can also be such as set
Or low level signal, or transformation signal transmission sequence etc..
Embodiment six
Synchronous sequence signal further includes n (the non-zero natural number that n is any setting) periodic signals, each period
Signal includes:
The low level signal of T5 milliseconds of delay；
The high level signal of T6 milliseconds of delay；
Described T5, T6 are unrelated, and are all larger than 0.
Fig. 6 show a kind of synchronous communications protocol process.
In the present invention, synchronous sequence signal schematic diagram is as shown in fig. 7, synchronous sequence signal includes synchronous guidance code, control
After T7 milliseconds of host delayed (such as 800-1000 milliseconds of delay) processed, synchronous guidance code is sent to Fire alarm device, it is each
A Fire alarm device, will be with the in subsequent synchronous sequence signal after receiving the synchronization guidance code sent of control host
One rising edge is synchronizing datum signal, triggers the LED light synchronous light-emitting built in each Fire alarm device.Specifically
, the effect of the synchronization guidance code of synchronous sequence signal is that each Fire alarm device is guided to enter synchronous light-emitting preparation.Together
Step clock signal further includes n periodic signal (such as 11 periodic signals), each periodic signal is by successive T5 milliseconds of delay
The low level signal of (such as 19.5-20.5 milliseconds) and the high level signal composition of T6 milliseconds of delay (such as 940-1000 milliseconds).Week
Phase signal is preferably be delayed 20 milliseconds of low level signal and the high level signal composition of 940-960 milliseconds of delay.
Embodiment seven
As shown in figure 8, fire alarm control system further includes fire-fighting link device 5, fire-fighting link device 5 is total by fire-fighting
Line 4 is connect with control host 3.
In the present invention, fire protection linkage control unit 5 is fume extractor, blowing device, forceful electric power cut-off equipment, fire broadcast
Equipment, air-conditioning equipment, emergency-lighting set, sprinkling equipment it is one or more.
Specifically, in the case of fire, control host 3 is after the warning trigger signal for receiving the transmission of trigger device 1, starting
Fire protection linkage control unit 5, to achieve the purpose that fireproof fire-extinguishing.
Embodiment eight
It controls host and is powered by fire-fighting bus to trigger device, Fire alarm device and fire-fighting link device.
In the present invention, trigger device 1, Fire alarm device 2 and fire-fighting link device power supply 5 itself be not from electrification
Source is supplied by fire-fighting bus 4 to trigger device 1, Fire alarm device 2 and fire-fighting link device power supply 5 from control host 3
Electricity.Supply lines and signal wire are combined into one by fire-fighting bus 4, to trigger device 1, Fire alarm device 2 and can be disappeared simultaneously
Anti- 5 transmission signal of linkage power supply and offer power supply.
Embodiment nine
As shown in figure 9, the embodiment of the present invention also provides a kind of fire alarming and controlling method, include the following steps:
S1, trigger device keep the scene intact monitor fire after send warning trigger signal to control host；
S2, control host send synchronous sequence signal to the fire according to the address of editable address formula Fire alarm device
Calamity alarm device；
After S3, the Fire alarm device receive the synchronous sequence signal that the control host issues, alarm of fire is issued
Signal carries out fire alarm.
The embodiment of the present invention by trigger device keep the scene intact monitor fire after warning trigger signal is sent to control
Host processed, control host send synchronous sequence signal according to the address of editable address formula Fire alarm device and give fire police
Reporting device drives Fire alarm device synchronous light-emitting, prevents the asynchronous induction of light-emitting flash dangerous, protects personal safety.
Embodiment ten
As shown in Figure 10, step S2 specifically:
The warning trigger signal that trigger device described in S21, real-time reception issues；
S22, according to the warning trigger signal, generate synchronous sequence signal；
S23, the synchronous sequence signal is sent to by the alarm of fire according to the address of the hair Fire alarm device
Device.
The warning trigger signal that the embodiment of the present invention is issued by real-time reception trigger device, further according to warning trigger signal
Synchronous sequence signal is generated, synchronous sequence signal is finally sent to Fire alarm device, the synchronous hair of driving Fire alarm device
Light prevents the asynchronous induction of light-emitting flash dangerous, protects personal safety.
Embodiment 11
Synchronous sequence signal includes synchronous guidance code；
Each Fire alarm device is after receiving the synchronous guidance code that control host issues, with subsequent synchronous sequence
M-th of rising edge in signal is synchronous base, issues the alarm of fire signal for being different from environment sound or light.
Difference due to the otherness of each Fire alarm device and with control host distance, each Fire alarm device hair
The time for being different from the alarm of fire signal of environment sound or light out can have differences.In the embodiment of the present invention, guided by synchronous
The guidance of code guides each Fire alarm device to enter synchronous light-emitting preparation, makes each Fire alarm device, can be with subsequent
M-th of (such as first) rising edge in synchronous sequence signal is synchronous base, issues the fire police for being different from environment sound or light
The number of notifying.
Specifically, the principle of fire alarming and controlling method of the embodiment of the present invention is as follows:
When trigger device monitors to occur fire, warning trigger signal is sent to control host, controls host according to reception
The warning trigger signal arrived generates synchronous sequence signal, and the synchronous sequence signal of generation is sent to each alarm of fire dress
(i.e. editable address formula combined aural and visual alarm) is set, each Fire alarm device is built-in with for analyzing and handling synchronous sequence
The micro treatment module of signal, each Fire alarm device are carried out together after receiving the synchronization guidance code in synchronous sequence signal
Step, which shines, to be prepared, and after receiving synchronous guidance code, using first rising edge in subsequent synchronous sequence signal as together
Reference signal is walked, the LED light synchronous light-emitting built in each Fire alarm device is triggered, to guarantee that be connected in parallel on fire-fighting total
All Fire alarm device synchronous light-emittings on line.
Embodiment 12
Synchronous guidance code includes the following signal successively sent:
The low level signal of T1 milliseconds of delay；
The high level signal of T2 milliseconds of delay；
The low level signal of T3 milliseconds of delay；
The high level signal of T4 milliseconds of delay；
Described T1, T2, T3, T4 are incoherent natural number.
The embodiment of the present invention can be by the low level signal of 20 milliseconds (T1) that is delayed, the high level letter of 20 milliseconds of delay (T2)
Number, synchronous guiding of forming of the high level signal of the low level signal of delay 20 milliseconds (T3) and delay 900-920 millisecond (T4)
Code.The form of synchronous guidance code can multiplicity, be not limited to above-mentioned, the high level signal of multiple and different delays can also be such as set
Or low level signal, or transformation signal transmission sequence etc..
Embodiment 13
Synchronous sequence signal further includes n periodic signal, each periodic signal includes: the low level letter of T5 milliseconds of delay
With T6 milliseconds of high level signal of delay.
To sum up, fire alarm control system of the invention and method, the case where not rewiring is with synchronizer is increased
Under, the synchronous light-emitting of all Fire alarm devices may be implemented, and the present invention uses editable address formula Fire alarm device,
Possess independent device address coding, each Fire alarm device is directly connected to control host, and control host can be very
Easily the Fire alarm device of each address is individually monitored, is individually debugged, has stronger practicability.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (13)
1. a kind of fire alarm control system, which is characterized in that the system comprises:
It is mounted on and keeps the scene intact, the trigger device for issuing warning trigger signal when fire generation can monitored；
Be mounted on keep the scene intact, the editable address formula Fire alarm device of capable of emitting alarm of fire signal；And
According to the warning trigger signal that the trigger device issues, synchronous sequence signal is generated, according to the Fire alarm device
Address be sent to the Fire alarm device, control the synchronous control master for issuing alarm of fire signal of the Fire alarm device
Machine；
The trigger device and Fire alarm device are hung in parallel in two fire-fighting buses being connected with the control host.
2. fire alarm control system as described in claim 1, which is characterized in that the control host includes:
The signal receiving module for the warning trigger signal that trigger device described in real-time reception issues；
According to the warning trigger signal, the synchronization signal generation module of synchronous sequence signal is generated；And
The synchronous sequence signal is sent to the signal of the Fire alarm device according to the address of the Fire alarm device
Sending module.
3. fire alarm control system as described in claim 1, which is characterized in that the Fire alarm device includes:
The communication module of information exchange is carried out with control host；
The warning signal module of capable of emitting alarm of fire signal；
The micro treatment module of analysis and processing synchronous sequence signal.
4. fire alarm control system as described in any one of claims 1-3, which is characterized in that the synchronous sequence signal packet
Containing synchronous guidance code；
Each Fire alarm device is after receiving the synchronous guidance code that the control host issues, with subsequent synchronization
M-th of (m is non-zero natural number) rising edge in clock signal is synchronous base, issues the fire police for being different from environment sound or light
The number of notifying.
5. fire alarm control system as claimed in claim 4, which is characterized in that the synchronous guidance code includes successively sending
Following signal:
The low level signal of T1 milliseconds of delay；
The high level signal of T2 milliseconds of delay；
The low level signal of T3 milliseconds of delay；
The high level signal of T4 milliseconds of delay；
Described T1, T2, T3, T4 are unrelated, and are all larger than 0.
6. fire alarm control system as claimed in claim 4, which is characterized in that the synchronous sequence signal further includes n
(n is non-zero natural number) periodic signal, each described periodic signal include:
The low level signal of T5 milliseconds of delay；
The high level signal of T6 milliseconds of delay；
Described T5, T6 are unrelated, and are all larger than 0.
7. fire alarm control system as described in claim 1, which is characterized in that the fire alarm control system further includes
Fire-fighting link device, the fire-fighting link device are connect by the fire-fighting bus with the control host.
8. fire alarm system as claimed in claim 7, which is characterized in that the control host passes through the fire-fighting bus
It powers to the trigger device, Fire alarm device and fire-fighting link device.
9. a kind of fire alarming and controlling method, which is characterized in that described method includes following steps:
Trigger device keep the scene intact monitor fire after send warning trigger signal to control host；
It controls host and sends synchronous sequence signal to the alarm of fire according to the address of editable address formula Fire alarm device
Device；
After the Fire alarm device receives the synchronous sequence signal that the control host issues, alarm of fire signal is issued, into
Row fire alarm.
10. fire alarming and controlling method as claimed in claim 9, which is characterized in that the control host is according to editable
The address of location formula Fire alarm device sends the step of synchronous sequence signal is to the Fire alarm device specifically:
The warning trigger signal that trigger device described in real-time reception issues；
According to the warning trigger signal, synchronous sequence signal is generated；
The synchronous sequence signal is sent to the Fire alarm device according to the address of the hair Fire alarm device.
11. the fire alarming and controlling method as described in claim 9 or 10, which is characterized in that the synchronous sequence signal includes
Synchronous guidance code；
Each Fire alarm device is after receiving the synchronous guidance code that the control host issues, with subsequent synchronization
M-th of rising edge in clock signal is synchronous base, issues the alarm of fire signal for being different from environment sound or light.
12. fire alarming and controlling method as claimed in claim 11, which is characterized in that the synchronous guidance code includes successively sending out
The following signal sent:
The low level signal of T1 milliseconds of delay；
The high level signal of T2 milliseconds of delay；
The low level signal of T3 milliseconds of delay；
The high level signal of T4 milliseconds of delay.
13. fire alarming and controlling method as claimed in claim 11, which is characterized in that the synchronous sequence signal further includes n
A periodic signal, each described periodic signal include:
The low level letter of T5 milliseconds of delay；
The high level signal of T6 milliseconds of delay.
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