CN107067596A - A kind of fire alarm and emergency evacuation route display terminal and its display methods - Google Patents
A kind of fire alarm and emergency evacuation route display terminal and its display methods Download PDFInfo
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- CN107067596A CN107067596A CN201710407735.XA CN201710407735A CN107067596A CN 107067596 A CN107067596 A CN 107067596A CN 201710407735 A CN201710407735 A CN 201710407735A CN 107067596 A CN107067596 A CN 107067596A
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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
- G08B7/062—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 indicating emergency exits
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
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Abstract
The present invention provides a kind of fire alarm and emergency evacuation route display terminal and its display methods, is related to fire alarm evacuating system technical field.Display terminal includes industrial control mainboard, buzzer, memory module, liquid crystal screen module and touch screen module, and industrial control mainboard monitors module, promotional literature playing module and map denotation control module and its interface being connected with external module provided with external signal.The present invention is according to fire detection alarm system and the linkage signal of intelligent evacuation indication system, multimedia terminal on a terminal device by whole fire conditions near the display terminal and evacuation route information with picture and text by way of completely show, it is very clear to live global information for evacuation personnel, information transfer is carried out using industrial field bus, circuit input cost is reduced while improving electromagnetism reliability, and compatible broadcasting multimedia advertising file, take into account business demand while fire-fighting demand is met.
Description
Technical field
The present invention relates to fire alarm evacuating system technical field, more particularly to a kind of fire alarm and emergency evacuation route display terminal
And its display methods.
Background technology
Intelligent fire emergency evacuation indicates that the evacuation route of system indicates that considering fire occurs position, with remote fire
The guiding of safe and reasonable rapid evacuation is core concept, and the application in large complicated building is more and more extensive.But in reality
Escape personnel still is apparent not enough to the cognition of exit signs light fixture information with obtaining validity in use：
(1) overall understanding can not disposably be obtained to escape route during evacuating personnel.Current whole piece static state evacuation path letter
Breath can disposably be showed by the static evacuation route figure puted up in heavy construction, but be evacuated when occurring for fire using intelligence
The escape route information that indicating lamp is indicated, then lack corresponding live presentation means, personnel can not predict indicator lamp during escape
The last guiding position of the direction indication of tool, it is inefficient when finding indicating lamp escape, easily deviate correct evacuation route,
Threaten the security of the lives and property of itself.
(2) scene, which lacks, shows fire alarm lever position indicator.Fire alarm positional information needs fire protection control room operator on duty to lead to
Sound radio is crossed, but this is unreliable in the case where scene of fire is noisy, broadcast-ing personnel's Quality ability and escape personnel exist
Notice under noisy environments has influence on the integrality and correctness of information acquired in escape personnel.
(3) the information transmission advantage of multimedia terminal is not sent out effectively under emergency rating in typical public venues
Wave, by developing corresponding graphic display technology on such field apparatus, realize under fire condition to complete evacuation route
Display can be more conducive to improve evacuating personnel efficiency.
In product and technical elements, fire alarm position and evacuation route can not be temporarily shown by way of picture and text at present
Field apparatus.Certain airport building had once come into operation two kinds of novel display systems, when meeting the emergencies such as accidental pollution event,
Can in time it be issued in the very first time, but the system can not link with automatic fire alarm system, when there is fire generation, it is necessary to people
Work issues word warning message upwards.Hunan Hui Bo Electron Technology Co., Ltd was proposed a kind of fire alarm information in 2012
Display and intelligent evacuation indication system, the system is under normal monitoring state, floor (region) safe escape prompting where display
Information, under fire alarm state, floor information occurs for display fire, but the system for field display device uses LED dot matrix lamps
Tool, is only capable of displaying some simple alphabetic characters, still can not be using graphical etc. for architectural plane structure and evacuation route
Intuitive way carries out the complete display in scene.
The content of the invention
The technical problem to be solved in the present invention is that there is provided a kind of fire alarm and emergency evacuation for above-mentioned the deficiencies in the prior art
Route display terminal and its display methods, the display terminal can show that fire alarm is believed with emergency evacuation route in the way of picture and text
Breath, it is very clear to live global information for evacuation personnel, it is possible to use industrial-controlled general line is realized and detection
The linkage communication of warning system and intelligent evacuation indication system, reduces circuit while improving electromagnetism reliability and puts into
This, and compatible broadcasting multimedia advertising file, take into account business demand while fire-fighting demand is met.
In order to solve the above technical problems, on the one hand, the present invention provides a kind of fire alarm and emergency evacuation route display terminal, bag
Include industrial control mainboard, buzzer, memory module, liquid crystal screen module and touch screen module；
Industrial control mainboard includes interface unit and computing unit；
Interface unit includes relay interface, SDIO EBIs, LVDS interface, RS232 interfaces and I2C interfaces；Industry control master
Connected between plate and buzzer by relay interface, connected between industrial control mainboard and memory module by SDIO EBIs, work
Control mainboard is connected with liquid crystal screen module by LVDS interface, and industrial control mainboard is connected with touch screen module by I2C interfaces；RS232
Interface is used to connect the fire alarm control unit of fire detection alarm system and the emergency lighting control of intelligent evacuation indication system
Device；
Computing unit includes external signal and monitors module, promotional literature playing module and map denotation control module, three
Module includes respective CPU and RAM；External signal monitors the RS232 interface and I2C interfaces of modular connection interface unit, extensively
Accuse the SDIO EBIs and LVDS interface of file playing module connecting interface unit, map denotation control module connecting interface list
SDIO EBIs, LVDS interface and the relay interface of member；
External signal, which monitors module, to be used to monitor and receive external signal, and according to external signal source control promotional literature
The start and stop of playing module and map denotation control module, and promotional literature playing module and ground are sent to after external signal is decoded
Figure display control module；The external signal includes coming from fire detection alarm system and intelligence by what RS232 interfaces were gathered
Instruction after the fire detector address number of evacuation indication system, the evacuation light fixture address number for occurring direction indication change and change
Direction signal, the touch signal from terminal touch screen module gathered by I2C interfaces；
Bus that promotional literature playing module and map denotation control module are provided by computing unit receives outside letter
Number monitor the instruction of module and realize the read-write of memory module；Promotional literature playing module is used to play the advertisement in memory module
Video and picture file；Map denotation control module is aobvious by picture and textization according to the signal content that module is monitored from external signal
Show the electronic map content that method generation needs are shown, and display data is provided to liquid crystal display, while driving buzzer sounding；
The data of memory module establishment storage include relation mapping table and the static data that display terminal needs；
Deposited in relation mapping table in building fire detecting and warning system and evacuation indication system all fire detectors and
The pass of the address number of exit signs light fixture area planar figure number corresponding with its actual installation site and the coordinate on plan
System's mapping；
Static data includes：Build plan, flame pel and the arrow pel of different zones；Exit signs light fixture is given tacit consent to
Direction indication；The corresponding area planar figure number in display terminal actual installation position and the coordinate on plan；Advertisement video
Or picture file and play list file；
Display terminal is provided with 2 working conditions of multimedia advertising file broadcast state and map denotation state, two states
It is respectively used to playing pictures or video ads, the display of certain area map.
Further, picture and text display methods refers to, on liquid crystal display the electronic map in display terminal installation site region,
Fire location is identified by flame pel on the electronic map, evacuation road is identified by arrow pel on the electronic map
Line, above-mentioned display picture can carry out real-time update according to user to the touching signal and RS232 input signals of touch-screen.
Further, the industrial control mainboard is provided with relay interface manual reset button, and the interface receives set and reset
Two kinds of operations, set operation is implemented by map denotation control module, drives buzzer sounding, resets operation by map denotation control
Module is implemented by being manually pressed by SR, and relay interface is reset, and buzzer stops sounding.
On the other hand, the present invention also provides a kind of display methods of above-mentioned display terminal, and specific method is：
Enter multimedia advertising file broadcast state after display terminal energization start, the state lower outer portion signal monitors module
The touch signal of the signal input condition of RS232 interfaces and the touch-screen of I2C interfaces is monitored, is judging RS232 interfaces without fire
In the case of alert, I2C interface no touch signal input, external signal monitors module and starts promotional literature playing module, by advertisement
File playing module reads play list file, and playing pictures or video are wide successively for the order specified according to playlist and duration
Accuse；
When the fire detector signal or touch signal of external signal monitoring module monitors to RS232 interfaces, notify wide
Accuse file playing module to suspend and hide currently playing content, multimedia advertising file broadcast state is exited, into map denotation
State；When it is the fire detector signal of outside input to the signal of RS232 interfaces that external signal, which monitors module monitors, carry out
While map denotation, driving buzzer sends alarm；
In map denotation state, external signal monitors module and sends the signal after decoding, ground to map denotation control module
Figure display control module is received by LVDS interface control liquid crystal screen module progress map denotation after signal, and gives tacit consent to display local area
Domain map；User selects display to check other area maps by contact action；If within a certain period of time without contact action, map
Display control module control liquid crystal screen module recovers the display of one's respective area map.
Further, in map denotation state, map denotation control module controls liquid after receiving signal by LVDS interface
The specific method that brilliant panel module carries out map denotation is：
Step 1：Map denotation control module reads data from memory module, is put down according to fire detector address number and region
Corresponding relation between the figure number of face, finds respective regions plan, then transfers flame pel, and right according to probe address number
The plan coordinate answered, flame pel is superimposed upon at the corresponding coordinate in area planar figure；
Step 2：Map denotation control module reads data from memory module, according to evacuation light fixture address number and area planar
The corresponding relation of figure number, transfers arrow pel；Module, which is monitored, in external signal does not send fire alarm to map denotation control module
In the case of detector signal, evacuation light fixture direction indication is the default direction recorded in memory module, is there is fire detector
In the case of signal, evacuation light fixture direction indication is updated according to external signal；
Step 3：Map denotation control module is according to evacuation light fixture direction indication, and by arrow pel, direction rotates simultaneously in accordance with the instructions
It is superimposed upon on each area planar figure where light fixture at coordinate；
Step 4：One's respective area map after map denotation control module selection processing is shown on liquid crystal screen module, and in liquid
Show that word is alerted on the screen of brilliant panel module, indicate fire alarm position.
It is using the beneficial effect produced by above-mentioned technical proposal：The fire alarm that the present invention is provided shows with emergency evacuation route
Show terminal and display methods, according to fire detection alarm system and the linkage signal of intelligent evacuation indication system, pass through multimedia
Terminal is on a terminal device by whole fire conditions near the display terminal and evacuation route information with the side of picture and text
Formula is completely showed, and information published method is converted to plane map from dot matrix character, makes evacuation personnel to live global
Information is very clear；By the way that static data is being locally stored, only need to send for external signal the probe address number of fire alarm,
The logical relation data such as evacuation direction indicating lamp address number that direction indication changes and the direction indication data after changing,
Map image generated in display terminal according to the interaction relation between external signal and local static data, it is to avoid direct biography
Defeated view data, so as to be realized and fire detection alarm system and intelligent evacuation indication system using industrial-controlled general line
Linkage communication, effectively increases electromagnetism reliability, while reducing circuit input cost；The display terminal can compatible advertisement broadcast
Put, be easy to promote in commercial location and install, business demand has been taken into account while fire-fighting demand is met.
Brief description of the drawings
Fig. 1 is fire alarm provided in an embodiment of the present invention and emergency evacuation route display terminal structured flowchart；
Fig. 2 is fire alarm provided in an embodiment of the present invention and the display methods flow chart of emergency evacuation route display terminal.
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
A kind of fire alarm and emergency evacuation route display terminal, as shown in figure 1, including industrial control mainboard, buzzer, storage mould
Block, liquid crystal screen module and touch screen module, wherein, industrial control mainboard includes interface unit and computing unit.In the present embodiment, calculate
Unit is x86atom computing units, and memory module uses SD card, and touch screen module uses capacitance touch screen.
Interface unit includes relay interface, SDIO EBIs, LVDS interface, RS232 interfaces and I2C interfaces.Relay connects
Mouth is a relay output interface, connects buzzer positive source, and equivalent to giving buzzer to provide power supply, the interface is not exported
When be low level, during output be high level, when buzzer power end be high level when, buzzer be powered and sounding, during low level
Buzzer stops sounding.Connected between industrial control mainboard and memory module by SDIO EBIs, industrial control mainboard and liquid crystal display mould
Block is connected by LVDS interface, and industrial control mainboard is connected with touch screen module by I2C interfaces, and RS232 interfaces are used to connect fire
The fire alarm control unit of detecting and warning system and the emergency lighting controller able of intelligent evacuation indication system.
Computing unit includes external signal and monitors module, promotional literature playing module and map denotation control module, three
Module is each based on CPU and RAM compositions.In specific implementation, including two ways, the first is that three modules share a CPU
Entity and RAM, are logically divided into respective CPU and RAM, be for second each module each possess an entity CPU and
RAM.The bus that promotional literature playing module is provided with map denotation control module by computing unit is supervised to receive external signal
Listen the instruction of module and realize the read-write of memory module.
SDIO EBIs are connected to the promotional literature playing module and map denotation control module of computing unit simultaneously,
In some period, which specific module can take SDIO EBIs, and module control is monitored by external signal.RS232 connects
The external signal that mouth and 12C interfaces are connected to computing unit monitors module.LVDS interface is connected to the advertisement of computing unit simultaneously
File playing module and map denotation control module, within some period, which specific module can take LVDS interface, by
External signal monitors module control.Relay interface is connected to map display control module.
Industrial control mainboard is provided with relay interface manual reset button, and the interface receives set and resets two kinds of operations, set
Operation is implemented by map denotation control module, drives buzzer sounding, resets operation by map denotation control module or passes through hand
Dynamic to press SR implementation, relay interface is reset, and buzzer stops sounding.
Set up in SD card memory module and deposit following relation mapping table：Building fire detecting and warning system, exit signs
In system all fire detectors, exit signs light fixture address number area planar figure number corresponding with its actual installation site and
The relationship map of coordinate on plan.Following static data is also deposited in SD card memory module：Terminal actual installation position pair
The area planar figure number answered and the coordinate on plan；Build different zones plane map file, flame metafile, arrow plot
Meta file；The direction indication data of exit signs light fixture acquiescence；Advertisement video or picture file and play list file.
Data storage in above-mentioned SD card in addition to picture and video is compiled into after text by specific format to be passed through
SD card read write line writes.Wherein, building different zones plane map file, flame metafile, arrow metafile use SVG
Vector bitmap-format, promotional literature uses JPG, MP4 form.
External signal, which monitors module, to be used to monitor and receive external signal, and according to external signal source control promotional literature
The start and stop of playing module and map denotation control module, and promotional literature playing module and ground are sent to after external signal is decoded
Figure display control module；The external signal includes coming from fire detection alarm system and intelligence by what RS232 interfaces were gathered
Instruction after the fire detector address number of evacuation indication system, the evacuation light fixture address number for occurring direction indication change and change
Direction signal, the touch signal from terminal touch screen module gathered by I2C interfaces.Promotional literature playing module is used to broadcast
Put the advertisement video and picture file in memory module.Map denotation control module is according to the letter that module is monitored from external signal
Number content, the electronic map content for needing to show is generated by picture and text display methods, and provides display data to liquid crystal display, simultaneously
Drive buzzer sounding.
Picture and text display methods refers to, on liquid crystal display the electronic map in display terminal installation site region, electronically
Fire location is identified by flame pel on figure, evacuation route is identified by arrow pel on the electronic map, it is above-mentioned aobvious
Show that picture can carry out real-time update according to user to the touching signal and RS232 input signals of touch-screen.
Display terminal is provided with 2 working conditions of multimedia advertising file broadcast state and map denotation state, two states
It is respectively used to playing pictures or video ads, the display of certain area map.
The display methods of above-mentioned display terminal is as shown in Fig. 2 specific method is as follows.
Enter multimedia advertising file broadcast state after display terminal energization start, the state lower outer portion signal monitors module
The signal input condition of RS232 interfaces and the touch signal of touch-screen are monitored, is judging that RS232 interfaces believe without outside fire alarm
Number, 12C interface no touch signal input in the case of, external signal monitor module start promotional literature playing module, by advertisement
File playing module reads play list file, and playing pictures or video are wide successively for the order specified according to playlist and duration
Accuse；
When the fire detector signal or touch signal of external signal monitoring module monitors to RS232 interfaces, notify wide
Accuse file playing module to suspend and hide currently playing content, multimedia advertising file broadcast state is exited, into map denotation
State；
In map denotation state, external signal monitors module and sends the signal after decoding to map denotation control module, leads to
Know map denotation control module startup optimization, map denotation control module is received after signal by LVDS interface control liquid crystal display mould
Block carries out map denotation, and gives tacit consent to display one's respective area map, and display methods is：
Step 1：Map denotation control module read SD card memory module in data, according to fire detector address number with
Corresponding relation between area planar figure number, finds respective regions plan, then transfers flame pel, and according to detector
The corresponding plan coordinate in location number, flame pel is superimposed upon at the corresponding coordinate in area planar figure；
Step 2：According to the corresponding relation of evacuation light fixture address number and area planar figure number, arrow pel is transferred；Without fire
In the case of police, evacuation light fixture direction indication is the default direction recorded in SD card memory module, in the case where there is fire alarm, is dredged
Light fixture direction indication is dissipated to be updated according to outside fire alarm；
Step 3：According to evacuation light fixture direction indication, by arrow pel, direction rotates and is superimposed upon each area planar in accordance with the instructions
On figure where light fixture at coordinate；
Step 4：One's respective area map after selection processing is shown on liquid crystal screen module, and on the screen of liquid crystal screen module
Word warning is shown, fire alarm position is indicated.
Whenever having new external signal input, update map by step 1~step 4 and show, and by map denotation control
Molding block set relay interface, is allowed to export high level driving buzzer and sends alarm.
User selects display to check other area maps by contact action；If within a certain period of time without contact action, ground
Figure display control module control liquid crystal screen module recovers the display of one's respective area map.
If someone is manually pressed by SR, relay interface will be reset, and then export low level signal, buzzer
Stop sounding, silencing function is provided with this.
The fire alarm that the present embodiment is provided and emergency evacuation route display terminal and display methods, according to fire detecting and alarm system
System and intelligent evacuation indication system linkage signal, by multimedia terminal on a terminal device by near the display terminal
Whole fire conditions and evacuation route information in the way of picture and text complete present come, make evacuation personnel to live global information
It is very clear, electromagnetism reliability is effectively increased, while reducing circuit input cost, is easy to promote in commercial location and installs,
Business demand has been taken into account while fire-fighting demand is met.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in previous embodiment, or which part or all technical characteristic are equal
Replace；And these modifications or replacement, the essence of appropriate technical solution is departed from the model that the claims in the present invention are limited
Enclose.
Claims (5)
1. a kind of fire alarm and emergency evacuation route display terminal, it is characterised in that：Including industrial control mainboard, buzzer, memory module,
Liquid crystal screen module and touch screen module；
Industrial control mainboard includes interface unit and computing unit；
Interface unit includes relay interface, SDIO EBIs, LVDS interface, RS232 interfaces and I2C interfaces；Industrial control mainboard with
Connected between buzzer by relay interface, connected between industrial control mainboard and memory module by SDIO EBIs, industry control master
Plate is connected with liquid crystal screen module by LVDS interface, and industrial control mainboard is connected with touch screen module by I2C interfaces；RS232 interfaces
For connecting the fire alarm control unit of fire detection alarm system and the emergency lighting controller able of intelligent evacuation indication system；
Computing unit includes external signal and monitors module, promotional literature playing module and map denotation control module, three modules
Include respective CPU and RAM；External signal monitors the RS232 interface and I2C interfaces of modular connection interface unit, advertisement text
The SDIO EBIs and LVDS interface of part playing module connecting interface unit, map denotation control module connecting interface unit
SDIO EBIs, LVDS interface and relay interface；
External signal, which monitors module, to be used to monitor and receive external signal, and is played according to external signal source control promotional literature
The start and stop of module and map denotation control module, and promotional literature playing module is sent to after external signal is decoded and map shows
Show control module；The external signal includes coming from fire detection alarm system and intelligent evacuation by what RS232 interfaces were gathered
Direction indication after the fire detector address number of instruction system, the evacuation light fixture address number for occurring direction indication change and change
Signal, the touch signal from terminal touch screen module gathered by I2C interfaces；
The bus that promotional literature playing module and map denotation control module are provided by computing unit is supervised to receive external signal
Listen the instruction of module and realize the read-write of memory module；Promotional literature playing module is used to play the advertisement video in memory module
And picture file；Map denotation control module is according to the signal content that module is monitored from external signal, by picture and textization display side
Method generation needs the electronic map content shown, and provides display data to liquid crystal display, while driving buzzer sounding；
The data of memory module establishment storage include relation mapping table and the static data that display terminal needs；
All fire detectors and evacuation in building fire detecting and warning system and evacuation indication system are deposited in relation mapping table
The address number of indicating lamp area planar figure number corresponding with its actual installation site and the relation of the coordinate on plan are reflected
Penetrate；
Static data includes：Build plan, flame pel and the arrow pel of different zones；The finger of exit signs light fixture acquiescence
Show direction；The corresponding area planar figure number in display terminal actual installation position and the coordinate on plan；Advertisement video or figure
Piece file and play list file；
Display terminal is provided with 2 working conditions of multimedia advertising file broadcast state and map denotation state, two state difference
For playing pictures or video ads, the display of certain area map.
2. a kind of fire alarm according to claim 1 and emergency evacuation route display terminal, it is characterised in that：The industry control master
Plate is provided with relay interface manual reset button, and the interface receives set and resets two kinds of operations, and set operation is by map denotation
Control module is implemented, and drives buzzer sounding, resets operation by map denotation control module or by being manually pressed by SR
Implement, relay interface is reset, buzzer stops sounding.
3. a kind of fire alarm according to claim 1 or 2 and emergency evacuation route display terminal, it is characterised in that：The figure
Cultural display methods refers to, on liquid crystal display the electronic map in display terminal installation site region, pass through fire on the electronic map
Flame pel identifies fire location, identifies evacuation route, above-mentioned display picture energy root by arrow pel on the electronic map
Real-time update is carried out to the touching signal and RS232 input signals of touch-screen according to user.
4. fire alarm and the display methods of emergency evacuation route display terminal described in a kind of claim 1, it is characterised in that：The party
Method is specially：
Enter multimedia advertising file broadcast state after display terminal energization start, the state lower outer portion signal monitors module monitors
The signal input condition and the touch signal of touch-screen of RS232 interfaces, are judging RS232 interfaces without fire alarm, I2C interface oncontactings
In the case of touching signal input, external signal monitors module and starts promotional literature playing module, is read by promotional literature playing module
Play list file is taken, the order and duration specified according to playlist playing pictures or video ads successively；
When the fire detector signal or touch signal of external signal monitoring module monitors to RS232 interfaces, advertisement text is notified
Part playing module suspends and hides currently playing content, exits multimedia advertising file broadcast state, into map denotation state；
When it is the fire detector signal of outside input to the signal of RS232 interfaces that external signal, which monitors module monitors, map is carried out
While display, driving buzzer sends alarm；
In map denotation state, external signal monitors module and sends the signal after decoding to map denotation control module, and map shows
Show that control module is received by LVDS interface control liquid crystal screen module progress map denotation after signal, and with giving tacit consent to display one's respective area
Figure；User selects display to check other area maps by contact action；If within a certain period of time without contact action, map denotation
Control module control liquid crystal screen module recovers the display of one's respective area map.
5. a kind of fire alarm according to claim 4 and the display methods of emergency evacuation route display terminal, it is characterised in that：
In map denotation state, the map denotation control module is received after signal by LVDS interface control liquid crystal screen module progress ground
The specific method that figure is shown is：
Step 1：Map denotation control module reads data from memory module, according to fire detector address number and area planar figure
Corresponding relation between number, finds respective regions plan, then transfers flame pel, and corresponding according to probe address number
Plan coordinate, flame pel is superimposed upon at the corresponding coordinate in area planar figure；
Step 2：Map denotation control module reads data from memory module, according to evacuation light fixture address number and area planar figure number
Corresponding relation, transfer arrow pel；Module, which is monitored, in external signal does not send fire detection to map denotation control module
In the case of device signal, evacuation light fixture direction indication is the default direction recorded in memory module, is there is fire detector signal
In the case of, evacuation light fixture direction indication is updated according to external signal；
Step 3：Map denotation control module is according to evacuation light fixture direction indication, and by arrow pel, direction rotates and is superimposed in accordance with the instructions
On each area planar figure where light fixture at coordinate；
Step 4：One's respective area map after map denotation control module selection processing is shown on liquid crystal screen module, and in liquid crystal display
Show that word is alerted on the screen of module, indicate fire alarm position.
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| CN108468998A (en) * | 2018-03-27 | 2018-08-31 | 山东中洁电讯科技有限公司 | Intelligent emergent lamp and intelligent emergent evacuating system |
| CN109727422A (en) * | 2019-01-24 | 2019-05-07 | 北京万相融通科技股份有限公司 | A kind of method of fire-fighting alarm signal and monitor video linkage |
| CN109788323A (en) * | 2018-12-21 | 2019-05-21 | 上海阳霖文化传媒发展有限公司 | A kind of automatic jettison system of outdoor advertising and its method that can be taken over for use by municipal security protection |
| CN111681566A (en) * | 2020-06-23 | 2020-09-18 | 四川西部能源股份有限公司郫县水电厂 | Sign board and information processing method |
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