CN107293079A - A kind of fire alarm system and its addressing method - Google Patents
A kind of fire alarm system and its addressing method Download PDFInfo
- Publication number
- CN107293079A CN107293079A CN201710513097.XA CN201710513097A CN107293079A CN 107293079 A CN107293079 A CN 107293079A CN 201710513097 A CN201710513097 A CN 201710513097A CN 107293079 A CN107293079 A CN 107293079A
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- China
- Prior art keywords
- fire alarm
- bus apparatus
- addressing
- control unit
- fire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- 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 present invention provides a kind of addressing method of fire alarm system, fire alarm control unit is adjusted to address interface, fire alarm control unit sends addressing order and address number, voluntarily address and read the type of bus apparatus, after addressing and reading bus apparatus type succeed, storage corresponding information and the addressing for jumping to next bus apparatus automatically, until completing.The present invention also provides a kind of fire alarm system, including fire alarm control unit, the multiple bus apparatus pedestals being connected with the fire alarm control unit signal, and fire alarm control unit is provided with automatic addressing agreement, to the on-line automatic addressing of bus apparatus.The fire alarm system addressing method that the present invention is provided, provided with automatic addressing agreement, the information such as address, the type of automatic registration bus apparatus, the automatic addressing registration of next bus apparatus is carried out simultaneously, save and manually addressed with addressed device, the saving time, and avoid the mistake Lou compiling, miscode, rearrange.
Description
Technical field
The present invention relates to fire alarm system installation and debugging field, more particularly to a kind of addressing side of fire alarm system
Method.
Background technology
Fire alarm system (Fire Alarm System, abbreviation FAS system) is mounted in modern architecture or other
A kind of automatic fire-fighting facility, occur early stage in fire, i.e., can in time find, circulate a notice of fire, and take effectively arrange in time
Apply, control and stamp out a fire, farthest reduction because fire and caused by loss.
From the point of view of evolution, fire alarm system can substantially be divided into the three below stage：
First stage：Multiple types of line-drawing automatic fire alarm system.Each detector of the fire alarm system needs offer two
Root power line and an alarm signal line, the power supply of detector are provided by alarm itself, and the signal wire of detector is all connected with
Onto alarm indication disk, the bright corresponding indicator lamp of time point of alarming.But alarm detects function to peripheral detector fault-free, only right
The broken string of power line makes fault reaction, installs such systematic comparison cumbersome.
Second stage：Bus-type automatic fire alarm system.Such automatic alarm system is controlled using microprocessor, its line
System is general two-wire system, three-wire system and four-wire system, and detector module uses geocoding form, real by bus and controller
Existing signal transmission.The alarm form of detector is switching value, and its sensitivity during fabrication, is determined by hardware, can not be adjusted.This
Class system can carry out field programming, and more complicated control is carried out each interlocking equipment by various modules.Such system not only has
There are alarm and control dual-use function, and construct, install more convenient, it is cheap.
Phase III：Intelligent automatic fire alarm system.It is intelligent as a result of advanced Computer Control Technology
The intelligence degree of automatic fire alarm system is greatly improved.The alarm form of detector uses digital quantity, and can be according to using
Occasion and the difference of time, are set and are adjusted to its sensitivity by software, such as sensitive different with night on setting daytime
Degree.
The fire alarm system of first stage, alarm detects function to peripheral detector fault-free；The intelligence of phase III
Although energy type automatic fire alarm system sensitivity and intelligence degree have lifting, its mounting cost is higher, early investment
Cost is larger, and typically only top-grade building is used.At present using it is more be second stage bus-type automatic fire alarm system
System.
The installation and debugging method of bus-type automatic fire alarm system is generally comprised the steps：1) according to floor plan
Paper cloth line, and fire alarm control unit and each bus apparatus pedestal are installed；2) using addressed device to each bus loop successively
Addressing, and correspondingly on the bus apparatus pedestal of each bus loop；3) controller is opened, registers and notes in register interface
Volume；4) check whether the number-of-registration of each bus loop in fire alarm control unit is consistent with actual installation quantity.But it is existing
Installation and debugging method and step it is more, and be difficult after addressing error modification.
The content of the invention
Step present in installation and debugging method of the present invention for existing bus-type fire alarm system is various, addresses out
The problems such as modification is difficult after mistake quickly addresses the side of debugging there is provided a kind of fire alarm system and using the fire alarm system
Method, realizes fire alarm system engineering Fast Installation, commissioning, and reduction fire alarm system engineering addresses debugging errors rate,
Greatly save fire alarm system engineering construction time and cost.
The first aspect of the invention is to provide a kind of addressing method of fire alarm system, and the addressing method includes
Following steps：
Electricity on step 1, installation fire alarm control unit, bus apparatus pedestal, fire alarm control unit, adjusts the fire
Alarm controller is to interface is addressed, and fire alarm control unit has detected whether bus apparatus in addressing, if existing without bus apparatus
Addressing, fire alarm control unit is continued waiting for；
Step 2, the installation bus equipment Mij on the bus apparatus pedestal, fire alarm control unit send i-th group, jth
Individual addressing order and address number, wherein i initial value are io, j initial value is jo；
Step 3, fire alarm control unit judge whether the addressing of j-th of bus apparatus succeeds, if addressing is unsuccessful, return
Step 2 re-mapping；If addressing successfully, step 4 is performed；
Step 4, assignment j=j+1, and judge whether j=j+1 is more than initial given threshold, if more than given threshold, assignment
I=i+1, and judge whether i=i+1 is more than initial given threshold, if more than given threshold, the automatic fire alarm system is compiled
Location is completed, and exits automatic addressing program；If i=i+1 is not more than initial given threshold, assignment j=jo, fire alarm control unit hair
Go out j-th of addressing order and address number, and perform step 2, into the addressing of next group of bus apparatus.
Wherein, the bus apparatus pedestal is connected with the fire alarm control unit signal, and the bus apparatus is arranged on
On the bus apparatus pedestal, and electrically connected with the bus apparatus pedestal.
In a preferred embodiment, the bus apparatus is in addressing process, and indicator lamp Chang Liang after the completion of addressing, refers to
Show that lamp extinguishes.
In a preferred embodiment, after being addressed successfully in step 3, in addition to fire alarm control unit reads bus apparatus
Mij type, and judge whether the type for reading bus apparatus succeeds, if the type for reading bus apparatus is unsuccessful, return to step
Rapid 2 re-mapping；If reading the type success of bus apparatus, fire alarm control unit storage bus apparatus Mij address number
With bus apparatus type.
Wherein, " bus apparatus " is the general name of the electric equipment on bus apparatus pedestal.
In a preferred embodiment, the bus apparatus is included in smoke fire detector, heat fire detector
Smokescope and/or temperature data in any one or its combination, the bus apparatus detection environment, and positioned at the bus
The respective threshold of device interior compares, when the smokescope and/or temperature data in environment are higher than threshold value, the bus apparatus
Fire alarm is sent, the fire alarm control unit receives the fire alarm.
In a preferred embodiment, the bus apparatus also includes output module, and the fire alarm control unit is received
To after the fire alarm, external equipment is started by the output module, the external equipment can be acoustooptic alarm, honeybee
Any one or a few combination in ring device, alarm lamp etc., wherein, alarm lamp can be deflation indicator lamp.
In a preferred embodiment, the bus apparatus also includes manual fire alarm call point and/or fire hydrant button.
In a preferred embodiment, the bus apparatus also includes input module and imported warning device, described defeated
Enter type warning device to transmit alarm signal to the fire alarm control unit by the input module, it is preferable that described defeated
Entering type warning device includes any one or a few combination in pressure switch, water flow indicator, signal valve etc..
In a preferred embodiment, optical flame fire detector, the photosensitive fire are additionally provided with the bus apparatus pedestal
Fire detector is electrically connected with the pedestal of the bus apparatus.
The second aspect of the invention is to provide a kind of fire alarm system, including fire alarm control unit, and described
Multiple bus apparatus pedestals of fire alarm control unit signal connection, and it is multiple total on each bus apparatus pedestal
Line equipment, the fire alarm control unit is provided with automatic addressing agreement, to the on-line automatic addressing of the bus apparatus, described automatic
Addressed protocol is implemented according to above-mentioned any described method.
In a preferred embodiment, the bus apparatus is included in smoke fire detector, heat fire detector
Smokescope and/or temperature data in any one or its combination, the bus apparatus detection environment, and positioned at the bus
The respective threshold of device interior compares, when the smokescope and/or temperature data in environment are higher than threshold value, the bus apparatus
Fire alarm is sent, the fire alarm control unit receives the fire alarm.
In a preferred embodiment, the bus apparatus also includes output module, and the fire alarm control unit is received
To after the fire alarm, external equipment is started by the output module, the external equipment can be acoustooptic alarm, honeybee
Any one or a few combination in ring device, alarm lamp etc., wherein, alarm lamp can be deflation indicator lamp.
In a preferred embodiment, the bus apparatus also includes manual fire alarm call point and/or fire hydrant button.
In a preferred embodiment, the bus apparatus also includes input module and imported warning device, described defeated
Enter type warning device to transmit alarm signal to the fire alarm control unit by the input module, it is preferable that described defeated
Entering type warning device includes any one or a few combination in pressure switch, water flow indicator, signal valve etc..
In a preferred embodiment, optical flame fire detector, the photosensitive fire are additionally provided with the bus apparatus pedestal
Fire detector is electrically connected with the bus apparatus pedestal.
In a preferred embodiment, the fire alarm control unit is additionally provided with inspection communications protocol, communication malfunction agreement
With any one or a few combination in fire alarm communications protocol.
The fire alarm system addressing method that the present invention is provided, provided with automatic addressing agreement, fire alarm control unit is sent
Addressing instruction, detects the bus apparatus in addressing, and sends addressing instruction, bus apparatus answers whether write successful information.Fire
Calamity alarm controller, which is received, writes successful information, then sends out a reading type command, and bus apparatus is answered corresponding type information, moved back
Go out automatic adressed state, fire alarm control unit receives the type information of correspondence bus apparatus, and by the address of bus apparatus, class
The information such as type are registered automatically, while carrying out the automatic addressing registration of next bus apparatus.Eliminate and manually set with addressing
The step of for addressing, then being registered, not only save the time, and avoid project installation personnel leakage from compiling, miscode, rearranging
Mistake, greatly facilitate engineering opening debugging.
Brief description of the drawings
The structural representation for the fire alarm system that Fig. 1 provides for the present invention.
Fig. 2 addresses the flow chart of adjustment method for a kind of fire alarm system of the invention.
Embodiment
Illustrate the structure and addressing adjustment method for the fire alarm system that the present invention is provided with reference to specific embodiment.
As shown in figure 1, the fire alarm system that the present invention is provided, including 1 fire alarm control unit, 4 bus apparatus
Pedestal, and multiple bus apparatus on each bus apparatus pedestal, each bus apparatus pedestal and fire alarm control
Device processed is connected by signal, wherein, bus apparatus includes smoke fire detector, heat fire detector, manual fire alarm
Button, fire hydrant alarm button, input module, output module and input/output module, fire alarm control unit is provided with automatic volume
Location agreement, to the on-line automatic addressing of bus apparatus.
Further, the signal connected mode of bus apparatus pedestal and fire alarm control unit is bus addressing communication association
View, inspection communications protocol, communication malfunction agreement and fire alarm communications protocol, wherein, addressing communications protocol is automatic addressing agreement, fire
Calamity alarm controller is installed and bus apparatus pedestal is completed, to system electrification, after system is stable, by fire alarm control unit
Operation interface is adjusted to address interface, prepares to bus apparatus automatic addressing to be installed.
As shown in figure 1, the addressing method for the fire alarm system that the present invention is provided comprises the following steps：
Step 1, bus apparatus are designated as Mij, i.e., i-th group, j-th of bus apparatus, wherein, bus apparatus is total in the present embodiment
The number for having bus apparatus in 4 groups, every group be 240, i.e. i threshold value be 4, j threshold value 240, fire alarm control unit sends i-th
Group, j-th of addressing order and address number, wherein i and j initial value are 1.
Step 2, fire alarm control unit have detected whether bus apparatus in addressing, if without bus apparatus in addressing, fire
Calamity alarm controller is continued waiting for；If having bus apparatus in addressing, fire alarm control unit addresses for bus apparatus Mij, bus
The indicator lamp of equipment Chang Liang in addressing process.
Step 3, fire alarm control unit judge whether bus apparatus Mij addressing succeeds, if addressing is unsuccessful, return to step
Rapid 2 re-mapping；If addressing successfully, the indicator lamp of bus apparatus extinguishes；Fire alarm control unit reads bus apparatus Mij class
Type, and judge whether the type for reading bus apparatus succeeds, if the type for reading bus apparatus is unsuccessful, return to step 2 is again
Addressing；If reading the type success of bus apparatus, fire alarm control unit storage bus apparatus Mij address number and bus apparatus
Type.
Step 4, assignment j=j+1, and judge whether j=j+1 is more than initial given threshold, if more than given threshold, this is total
Bus apparatus addressing in line equipment base is completed；Assignment i=i+1, starts to set the bus in next bus apparatus pedestal
Standby addressing, and judge whether i=i+1 is more than initial given threshold, if more than given threshold, the addressing of this automatic fire alarm system
Complete, exit automatic addressing program.If i=i+1 is not more than initial given threshold, assignment j=1, fire alarm control unit is sent
J-th of addressing order and address number, and step 2 is performed, into the addressing of next group of bus apparatus.
When the fire alarm system provided using the present invention is addressed for bus apparatus, fire alarm control unit is according to addressing
Sequencing addresses for each group bus apparatus automatically, before addressing, presets bus according to the classification of bus apparatus and sets change
The quantity of bus apparatus, i.e. threshold value in group number and each group bus apparatus, often install a bus apparatus, fire alarm control unit
The address number and device type of a bus apparatus can be recorded, and points out the addressing into next bus apparatus, until reaching
Quantity set in advance, prevents the occurrence of staff omits addressing.
If installing rear, it is necessary to adjust the bus apparatus type of some or certain several particular locations, or need to compile again
The initial value of group and sequence, need to only be set to the data needed, re-mapping by location.If desired for by the 2nd group, the 135th
Individual bus apparatus, smoke fire detector is changed to heat fire detector, concrete operation method be：
I initial value and threshold value are set to 2, j initial value and threshold value are set to 135, smoke detector is removed
Device, the operation interface of fire alarm control unit is adjusted to address interface, Addressing information is sent, heat fire detector, fire is installed
Calamity alarm controller detects heat fire detector, and starts addressing, after addressing successfully, reads bus apparatus type, temperature-sensitive
Fire detector feedback reads successful information, the Addressing information and type letter of fire alarm control unit storage heat fire detector
Breath, automatic addressing terminates.
As shown in Fig. 2 the fire alarm system that the present invention is provided includes 1 fire alarm control unit, 4 bus apparatus bases
Seat and the power supply module powered to fire alarm control unit and bus apparatus pedestal, wherein, fire alarm control unit is that ARM is embedding
Enter formula intelligent controller, fire alarm control unit is also electrically connected with display and audible-visual annunciator.Each bus apparatus pedestal with
Fire alarm control unit is connected by signal, and 7 kinds of bus apparatus are installed on each bus apparatus pedestal, and respectively smoke is visited
Survey device, heat fire detector, manual fire alarm call point, fire hydrant button, input module, output module and input/output
Module, each bus apparatus pedestal is provided with 240 bus apparatus.
Wherein input module and outside input type warning device, such as pressure switch, water flow indicator, signal valve are electrically connected
Connect, the warning message that outside input type warning device is sent is transmitted to fire alarm control unit, output module is not required to back with outside
The external equipment answered, such as acoustooptic alarm, alarm bell, deflation indicator lamp, electrical connection, fire alarm control unit receive temperature-sensitive fire
After fire detector, smoke fire detector, the signal of manual fire alarm call point and/or fire hydrant button, start these and be not required to
The external equipment of answer, sends alarm signal.
Smoke fire detector, heat fire detector detect smokescope data and temperature data in environment respectively,
And the smokescope data that are detected, temperature data are compared with its internal threshold value, when the smokescope data detected,
Temperature data is more than when being preset in its internal threshold value, and smoke fire detector, heat fire detector are to fire alarming and controlling
Device sends alarm signal.
When staff has found fire, manual fire alarm call point and/or fire hydrant button, fire alarm are manually pressed by
Controller receives the signal that manual fire alarm call point and/or fire hydrant button are sent.
Smoke fire detector, heat fire detector are received when fire alarm control unit, manual fire report is manually pressed by
After the alarm signal that alert button and/or fire hydrant button are sent, being started by input/output module needs the outside answered to set
It is standby, such as fire pump, spray pump, smoke exhaust fan, pressure fan, these need the external equipment of response to be opened by fire alarm control unit
After dynamic, information will be had been turned on by input/output module river to fire alarm control unit, fire alarm control unit is quoted accordingly
Warning message, or the outside external equipment for being not required to answer is started by output module, such as acoustooptic alarm, alarm bell, deflation refer to
Show that lamp sends alarm signal.
After fire-fighting pump startup, water flow indicator, the pressure that the part flow direction in fire pump is connected on fire pump are opened
Pass and signal valve etc., these elements transmit the signal detected to fire alarm control unit, pressure switch by input module
On pressure when exceeding setting value, pressure switch action starts audible-visual annunciator of spray pump and control centre etc., alarms and go out
Fire.
It should be noted that rotation and the installation position of the input module, output module and input/output module in the present invention
It is not unique to put, as long as disclosure satisfy that engine request.
The specific embodiment of the present invention is described in detail above, but it is intended only as example, and the present invention is not limited
It is formed on particular embodiments described above.To those skilled in the art, it is any to the equivalent modifications that carry out of the present invention and
Substitute also all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and
Modification, all should be contained within the scope of the invention.
Claims (10)
1. a kind of addressing method of fire alarm system, it is characterised in that the addressing method comprises the following steps：
Electricity on step 1, installation fire alarm control unit, bus apparatus pedestal, fire alarm control unit, adjusts the fire alarm
Controller has detected whether bus apparatus in addressing to interface, fire alarm control unit is addressed, if without bus apparatus in addressing,
Fire alarm control unit is continued waiting for；
Step 2, the installation bus equipment Mij on the bus apparatus pedestal, fire alarm control unit send i-th group, j-th of volume
The initial value of location order and address number, wherein i is io, j initial value is jo；
Step 3, fire alarm control unit judge whether the addressing of j-th of bus apparatus succeeds, if addressing is unsuccessful, return to step
2 re-mappings；If addressing successfully, step 4 is performed；
Step 4, assignment j=j+1, and judge whether j=j+1 is more than initial given threshold, if more than given threshold, assignment i=i
+ 1, and judge whether i=i+1 is more than initial given threshold, if more than given threshold, the automatic fire alarm system has been addressed
Into exiting automatic addressing program；If i=i+1 is not more than initial given threshold, assignment j=jo, fire alarm control unit sends
J addressing order and address number, and step 2 is performed, into the addressing of next group of bus apparatus.
2. addressing method according to claim 1, it is characterised in that after being addressed successfully in step 3, in addition to fire alarm
Controller reads bus apparatus Mij type, and judges whether the type for reading bus apparatus succeeds, if reading bus apparatus
Type is unsuccessful, the re-mapping of return to step 2；If reading the type success of bus apparatus, fire alarm control unit storage bus
Equipment Mij address number and bus apparatus type.
3. addressing method according to claim 1, it is characterised in that the bus apparatus is in addressing process, indicator lamp
Chang Liang, after the completion of addressing, indicator lamp extinguishes.
4. a kind of fire alarm system, it is characterised in that including fire alarm control unit, with the fire alarm control unit signal
Multiple bus apparatus pedestals of connection, and multiple bus apparatus on each bus apparatus pedestal, the fire report
Alert controller is provided with automatic addressing agreement, and to the on-line automatic addressing of the bus apparatus, the automatic addressing agreement is according to right
It is required that the method described in 1 is implemented.
5. warning system according to claim 4, it is characterised in that the bus apparatus include smoke fire detector,
Smokescope and/or temperature in any one in heat fire detector or its combination, the bus apparatus detection environment
Data, are compared with the respective threshold inside the bus apparatus, when the smokescope and/or temperature data in environment are higher than
During threshold value, the bus apparatus sends fire alarm, and the fire alarm control unit receives the fire alarm.
6. warning system according to claim 4, it is characterised in that the bus apparatus also includes output module, described
Fire alarm control unit is received after the fire alarm, and external equipment is started by the output module.
7. warning system according to claim 4, it is characterised in that the bus apparatus is also pressed including manual fire alarm
Button and/or fire hydrant button.
8. warning system according to claim 4, it is characterised in that the bus apparatus also includes input module and input
Type warning device, the imported warning device is transmitted alarm signal to the fire alarming and controlling by the input module
Device.
9. warning system according to claim 4, it is characterised in that be additionally provided with optical flame fire on the bus apparatus pedestal
Detector, the optical flame fire detector is electrically connected with the bus apparatus pedestal.
10. warning system according to claim 4, it is characterised in that the fire alarm control unit is additionally provided with inspection and led to
Interrogate any one or a few combination in agreement, communication malfunction agreement and fire alarm communications protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710513097.XA CN107293079A (en) | 2017-06-29 | 2017-06-29 | A kind of fire alarm system and its addressing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710513097.XA CN107293079A (en) | 2017-06-29 | 2017-06-29 | A kind of fire alarm system and its addressing method |
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| CN107293079A true CN107293079A (en) | 2017-10-24 |
Family
ID=60099893
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| CN201710513097.XA Pending CN107293079A (en) | 2017-06-29 | 2017-06-29 | A kind of fire alarm system and its addressing method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109035670A (en) * | 2018-10-12 | 2018-12-18 | 湖北旭兴达科技有限公司 | A kind of fire alarm system and its address coding method |
| CN109377700A (en) * | 2018-04-08 | 2019-02-22 | 九江精密测试技术研究所 | A kind of software automatic addressing method and its system |
| CN111754744A (en) * | 2020-06-24 | 2020-10-09 | 上海芯跳科技有限公司 | Fire alarm control method and system |
| CN113077616A (en) * | 2021-03-24 | 2021-07-06 | 深圳市泛海三江电子股份有限公司 | Fire automatic alarm intelligent coding control method, device, equipment and storage medium |
| CN113139257A (en) * | 2021-04-25 | 2021-07-20 | 北京城建设计发展集团股份有限公司 | Device and method for quickly drawing drawings of automatic fire alarm system |
| CN116760657A (en) * | 2023-06-29 | 2023-09-15 | 营口天成消防设备有限公司 | Two-bus equipment for fire protection and automatic coding method |
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| CN106789372A (en) * | 2017-03-02 | 2017-05-31 | 欣旺达电动汽车电池有限公司 | A kind of addressing based on LIN buses and the system and method alarmed |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109377700A (en) * | 2018-04-08 | 2019-02-22 | 九江精密测试技术研究所 | A kind of software automatic addressing method and its system |
| CN109035670A (en) * | 2018-10-12 | 2018-12-18 | 湖北旭兴达科技有限公司 | A kind of fire alarm system and its address coding method |
| CN111754744A (en) * | 2020-06-24 | 2020-10-09 | 上海芯跳科技有限公司 | Fire alarm control method and system |
| CN113077616A (en) * | 2021-03-24 | 2021-07-06 | 深圳市泛海三江电子股份有限公司 | Fire automatic alarm intelligent coding control method, device, equipment and storage medium |
| CN113139257A (en) * | 2021-04-25 | 2021-07-20 | 北京城建设计发展集团股份有限公司 | Device and method for quickly drawing drawings of automatic fire alarm system |
| CN113139257B (en) * | 2021-04-25 | 2021-10-08 | 北京城建设计发展集团股份有限公司 | Device and method for quickly drawing drawings of automatic fire alarm system |
| CN116760657A (en) * | 2023-06-29 | 2023-09-15 | 营口天成消防设备有限公司 | Two-bus equipment for fire protection and automatic coding method |
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Application publication date: 20171024 |