CN109816911A - The control method of fire emergency lamp, system, readable storage medium storing program for executing - Google Patents
The control method of fire emergency lamp, system, readable storage medium storing program for executing Download PDFInfo
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Abstract
The invention discloses a kind of control method of fire emergency lamp, system, readable storage medium storing program for executing, and described method includes following steps: the ambient parameter information for obtaining each region unit determines the area type of current region unit；When current region unit is non hazardous areas, then the display that the fire emergency lamp in current region unit carries out the first default instruction information with the first brightness is controlled；When current region unit is danger zone, then controls the fire emergency lamp in current region unit and the second default display for indicating information is carried out with the second brightness in the first preset time；When current region unit is high risk zone, it then controls the fire emergency lamp in current region unit and the second default display for indicating information is carried out with third brightness in the second preset time, therefore it can be used corresponding starting time, display brightness and display content to prompt escape personnel according to the area type of current region unit, stranded escape personnel is avoided to miss best escape time.
Description
Technical field
The present invention relates to fire-fighting emergent equipment control technology field, in particular to a kind of control method of fire emergency lamp,
System, readable storage medium storing program for executing.
Background technique
With the growth of China's expanding economy and population, urban population density is continuously increased, in order to explore more opportunity for survival,
High-rise and high-rise building is also more and more.And in recent years, the fire in skyscraper happens occasionally, and in very great Cheng
Direct influence is generated on expanding economy and stablizing for society on degree.
Due in order to farthest reduce harm brought by fire, therefore can all be set inside existing skyscraper
Set numerous fire emergency lamps.Fire emergency lamp, which refers to, provides all kinds of of illumination, mark and information for evacuating personnel, fire-fighting operation
Lamps and lanterns.
However, fire emergency lamp in the prior art, usually state lamp, i.e. the starting time of fire emergency lamp, display
Brightness and display content immobilize, therefore can not be according to the area type of current region unit and when using corresponding starting
Between, display brightness and display content to remind escape personnel, therefore fire occur when, escape personnel cannot be played
Evacuation and suggesting effect well, and it is possible to the best escape time of escape personnel can be delayed.
Summary of the invention
In view of the above situation, it is necessary to dynamic can not be carried out according to fire type for fire emergency lamp in the prior art and mentioned
The problem of showing provides the control method, system, readable storage medium storing program for executing of a kind of fire emergency lamp.
The present invention proposes a kind of control method of fire emergency lamp, wherein described method includes following steps:
The ambient parameter information of each region unit is obtained, and the current region is determined according to the ambient parameter information
The area type of unit；
When the current region unit is non hazardous areas, then the fire-fighting controlled in the current region unit is answered
Anxious lamp carries out the display of the first default instruction information with the first brightness；
When the current region unit is danger zone, then the fire-fighting emergent in the current region unit is controlled
Lamp carries out the display of the second default instruction information in the first preset time with the second brightness；
When the current region unit is high risk zone, then the fire-fighting emergent in the current region unit is controlled
Lamp carries out the display of the second default instruction information in the second preset time with third brightness, and second preset time is less than institute
The first preset time is stated, the brightness value of first brightness, second brightness and the third brightness is sequentially increased.
The control method of fire emergency lamp proposed by the present invention, by obtaining the letter of the environmental parameter in the unit of each region
Breath when determining current region is non hazardous areas, then controls the current region to determine current region unit area type
The fire emergency lamp in unit carries out the display of the first default instruction information with the first brightness, when the current region unit
When for danger zone, then the fire emergency lamp controlled in the current region unit is bright with second in the first preset time
Degree carries out the display of the second default instruction information；When the current region unit is high risk zone, then control is described works as proparea
The fire emergency lamp in the unit of domain carries out the display of the second default instruction information in the second preset time with third brightness.
The control method of fire emergency lamp proposed by the present invention can use corresponding open according to the area type of current region unit
Time, display brightness and display content are moved to prompt escape personnel, therefore can be to escape personnel when fire occurs
Evacuation and suggesting effect well are played, therefore best escape time can be missed to avoid stranded escape personnel.
Further, the control method of the fire emergency lamp, wherein described when the current region unit is non-danger
When the domain of danger zone, then the fire emergency lamp in the current region unit is controlled with the first brightness and carries out the first default instruction letter
The step of display of breath includes:
When the current region unit is non hazardous areas, the fire-fighting emergent in the current region unit is judged
Whether lamp uses backup power source to power；
The first default instruction is carried out with the 4th brightness if so, controlling the fire emergency lamp in the current region unit
The display of information, the 4th brightness are less than first brightness；
It is preset if it is not, executing the fire emergency lamp controlled in the current region unit and carrying out first with the first brightness
The step of indicating the display of information.
Further, the control method of the fire emergency lamp, wherein described when the current region unit is high-risk
When region, then the fire emergency lamp in the current region unit is controlled in the second preset time with third brightness progress
After the step of display of second default instruction information, the method also includes:
Obtain fire source information, fire spreading speed and the position of the farthest extra exit letter in the current region unit
Breath；
It is true according to the fire source information of the current region unit, fire spreading speed and the location information of farthest extra exit
Fire spreading is determined to the fire spreading time of farthest extra exit and is carried out countdown and is shown.
Further, the control method of the fire emergency lamp, wherein the fire according to the current region unit
The intensity of a fire that the location information of source information, fire spreading speed and farthest extra exit determines fire spreading to farthest extra exit is climing
Include: between delay and the step of carrying out countdown display
The wind speed of the current region unit is obtained, and the fire spreading speed is calculated according to the wind speed；
The distance between fire source and the farthest extra exit in the current region unit are obtained, according to the fire spreading
Speed calculates the fire spreading time of fire spreading to farthest extra exit；
Wherein, the fire spreading time calculation formula are as follows:
Wherein, T is the fire spreading time, and L is the distance between fire source and farthest extra exit, 0.5LhFor intensity of a fire diffusion
Distance, PVfFor fire spreading speed, P is the air speed influence factor, VfFor wind speed, VqFire source burning velocity.The air speed influence factor takes
Being worth range is 0.1~0.3.
Further, the control method of the fire emergency lamp, wherein the ambient parameter information includes temperature ginseng
Number, smokescope parameter, Fire Radiation intensive parameter and gas componant parameter,
The ambient parameter information for obtaining each region unit, and determined according to the ambient parameter information described current
The step of area type of territory element includes:
When determining the temperature parameter, the smokescope parameter, the Fire Radiation intensive parameter and the gas
When any one of composition parameter parameter is respectively lower than corresponding first preset threshold, then the current region list is determined
Member is non hazardous areas；
When determining the temperature parameter, the smokescope parameter, the Fire Radiation intensive parameter and the gas
When any two parameters are respectively higher than corresponding first preset threshold in composition parameter, then the current region list is determined
Member is danger zone；
When determining the temperature parameter, the smokescope parameter, the Fire Radiation intensive parameter and the gas
When any two parameters are respectively higher than corresponding second preset threshold in composition parameter, then the current region list is determined
Member is high risk zone, and second preset threshold is greater than first preset threshold.
Further, the control method of the fire emergency lamp, wherein the method also includes:
The fire emergency lamp in each territory element is controlled according to the area type of the current region unit
Switch to corresponding display color.
A kind of control system of fire emergency lamp, wherein include:
Module is obtained, for obtaining the ambient parameter information of each region unit, and it is true according to the ambient parameter information
The area type of the fixed current region unit；
First control module, for when the current region unit is non hazardous areas, then controlling the current region
The fire emergency lamp in unit carries out the display of the first default instruction information with the first brightness；
Second control module, for when the current region unit is danger zone, then controlling the current region list
The fire emergency lamp in member carries out the display of the second default instruction information in the first preset time with the second brightness；
Third control module, for when the current region unit is high risk zone, then controlling the current region list
The fire emergency lamp in member carries out the display of the second default instruction information in the second preset time with third brightness, described
Second preset time be less than first preset time, first brightness, second brightness and the third brightness it is bright
Angle value is sequentially increased.
Further, the control system of the fire emergency lamp, wherein further include:
First display module, for judging the current region list when the current region unit is non hazardous areas
Whether the fire emergency lamp in member uses backup power source to power, if so, control in the current region unit described disappears
Anti- emergency light carries out the display of the first default instruction information with the 4th brightness, and the 4th brightness is less than first brightness；
Second display module, for the fire source information, fire spreading speed and most Yuanan according to the current region unit
The location information exported entirely determines fire spreading to the fire spreading time of farthest extra exit and carries out countdown and show.
Further, the control system of the fire emergency lamp, wherein the acquisition module includes:
First acquisition unit, for obtaining the fire source information in the current region unit, fire spreading speed and farthest
The location information of extra exit；
Second acquisition unit calculates the fire for obtaining the wind speed of the current region unit, and according to the wind speed
Gesture rate of propagation；
Third acquiring unit, for obtain the fire source in the current region unit and between farthest extra exit away from
From according to the fire spreading time of fire spreading speed calculating fire spreading to farthest extra exit.
The embodiment of the invention also provides a kind of readable storage medium storing program for executing, are stored thereon with computer program, described program quilt
The step of processor realizes method described in above-mentioned any one when executing.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the flow chart of the control method for the fire emergency lamp that first embodiment of the invention proposes；
Fig. 2 is the flow chart of the control method for the fire emergency lamp that second embodiment of the invention proposes；
Fig. 3 is the structural schematic diagram of the control system for the fire emergency lamp that third embodiment of the invention proposes.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
Referring to following description and drawings, it will be clear that these and other aspects of the embodiment of the present invention.In these descriptions
In attached drawing, some particular implementations in the embodiment of the present invention are specifically disclosed, to indicate to implement implementation of the invention
Some modes of the principle of example, but it is to be understood that the scope of embodiments of the invention is not limited.On the contrary, of the invention
Embodiment includes all changes, modification and the equivalent fallen within the scope of the spirit and intension of attached claims.
Referring to Fig. 1, for the control method of the fire emergency lamp in first embodiment of the invention, wherein including step S11
~S14.
Step S11 obtains the ambient parameter information of each region unit, and according to ambient parameter information determination
The area type of current region unit.
Wherein, the area type includes non hazardous areas, danger zone and high risk zone, the ambient parameter information packet
Include temperature parameter, smokescope parameter, Fire Radiation intensive parameter and gas componant parameter.
It is described to determine that the step of current region unit is non hazardous areas includes: according to the ambient parameter information
When determining the temperature parameter, the smokescope parameter, the Fire Radiation intensive parameter and the gas
When any one of composition parameter parameter is respectively lower than corresponding first preset threshold, then the current region list is determined
Member is non hazardous areas.
The ambient parameter information for obtaining each region unit, and determined according to the ambient parameter information described current
The step of area type of territory element includes:
When determining the temperature parameter, the smokescope parameter, the Fire Radiation intensive parameter and the gas
When any two parameters are respectively higher than corresponding first preset threshold in composition parameter, then the current region list is determined
Member is danger zone.
It is described to determine that the step of current region unit is high risk zone includes: according to the ambient parameter information
When determining the temperature parameter, the smokescope parameter, the Fire Radiation intensive parameter and the gas
When any two parameters are respectively higher than corresponding second preset threshold in composition parameter, then the current region list is determined
Member is high risk zone, and second preset threshold is greater than first preset threshold.
The control method of fire emergency lamp in the present embodiment is applied in the control system of fire emergency lamp, which answers
The control system of anxious lamp includes the fire emergency lamp being arranged in the unit of each region.It should be understood that the fire emergency lamp
Control system is used in a public place, to control the fire emergency lamp in the public field.This is public under normal conditions
Place, including multiple buildings and/or multiple floors, wherein each floor is divided into multiple regions unit again.In the present embodiment,
The fire emergency lamp can use corresponding starting time, display brightness and display according to the area type of current region unit
Content can play evacuation well when fire occurs to escape personnel and make with prompt to prompt escape personnel
With missing best escape time to avoid stranded escape personnel.
The control system of the fire emergency lamp further includes the detection device being arranged in the public place, the detection device
It is connect with fire-fighting controller.The detection device includes temperature sensor, smokescope sensor, far infrared flame sensor and gas
Body composition analysis instrument.Temperature sensor is used to detect the environment temperature in the unit of corresponding region, and smokescope sensor is for examining
The smokescope in the unit of corresponding region is surveyed, far infrared flame sensor is used to detect the infrared luminous intensity in the unit of corresponding region
To determine fire location and fire source burning velocity, gas composition analyzer be used to detect the gas composition in the unit of corresponding region with
And corresponding content value, such as comprising CO, SO2 and CO2 etc., while monitoring the corresponding content value of every gas.
Step S12 then controls the institute in the current region unit when the current region unit is non hazardous areas
State the display that fire emergency lamp carries out the first default instruction information with the first brightness.
Further, described when the current region unit is non hazardous areas, then control the current region unit
The interior fire emergency lamp is carried out the step of display of the first default instruction information with the first brightness and includes:
When the current region unit is non hazardous areas, the fire-fighting emergent in the current region unit is judged
Whether lamp uses backup power source to power；
The first default instruction is carried out with the 4th brightness if so, controlling the fire emergency lamp in the current region unit
The display of information, the 4th brightness are less than first brightness；
It is preset if it is not, executing the fire emergency lamp controlled in the current region unit and carrying out first with the first brightness
The step of indicating the display of information.
In the present embodiment, the fire emergency lamp is formed using several LED lamp beads, and when specific implementation can be by lighting not
Carry out the display of the default instruction information of lamp bead realization first with the LED of quantity and position.Described first default instruction information includes more
A instruction content, the described first multiple instruction contents preset in instruction information include floor information and fire-fighting advertisement information.Tool
Body, the display of multiple instruction contents in the described first default instruction information is switched over using the frequency of 1:4, i.e., floor is believed
The breath display time is 1S, fire-fighting advertisement information shows that the time is 4S.
It should be understood that the above-mentioned frequency error factor being previously mentioned only as an example, indicate in other embodiments of the invention
Other conversion frequencies can be also arranged in content according to the actual situation, herein with no restrictions.Moreover, first is default in the present embodiment
The overall display time for indicating information is 5s, is only used as preferred forms, in other embodiments of the invention, described first
Instruction content in default instruction information can also be shown simultaneously without switching, i.e. floor information and fire-fighting advertisement information.
As described above, when the current region unit is non hazardous areas, and when use backup power source power supply, then it controls
The fire emergency lamp in the current region unit carries out the display of the first default instruction information with the 4th brightness, and described the
Four brightness are less than first brightness.
It is powered specifically, generally then generalling use main power source when the current region unit is non hazardous areas,
Therefore then show that fault occurs in the current region unit when the fire emergency lamp is powered using backup power source
Or the situations such as power failure.To avoid the current region unit from occurring the emergency situations such as fire during this period, therefore by turning down
The method of fire emergency lamp brightness is stated to reduce the consumption of electricity, so that there are enough electricity in the backup power source to cope with
The emergency situations such as fire.
Step S13 is then controlled described in the current region unit when the current region unit is danger zone
Fire emergency lamp carries out the display of the second default instruction information in the first preset time with the second brightness.
Specifically, when the current region unit becomes danger zone from non hazardous areas, the current region unit
The interior fire emergency lamp is switched to the second brightness by the first brightness, by the first default instruction information in the first preset time
Display is switched to the display of the second default instruction information.It should be understood that when the current region unit is danger zone, institute
The fire emergency lamp stated in current region unit is switched to the second brightness in the first preset time, and with second brightness
Carry out the display of the second default instruction information.
As described above, then controlling the institute in the current region unit when the current region unit is danger zone
The display that fire emergency lamp carries out the second default instruction information with the second brightness is stated, it is bright that second brightness is greater than described first
Degree, to prompt the escape personnel.
Wherein, the described second default instruction information includes multiple instruction contents, more in the described second default instruction information
A instruction content includes floor information, best-effort path information and escape advisory information.Specifically, the described second default instruction information
In the displays of multiple instruction contents switched over using the frequency of 1:2:2, i.e., floor information shows that the time is 1S, best-effort path
Information shows that the time is 2S, escape advisory information shows that the time is 2S.
It should be understood that the above-mentioned frequency error factor being previously mentioned only as an example, indicate in other embodiments of the invention
Other conversion frequencies can be also arranged in content according to the actual situation, herein with no restrictions.Moreover, second is default in the present embodiment
The overall display time for indicating information is 5s, is only used as preferred forms, in other embodiments of the invention, described second
Instruction content in default instruction information can also be without switching, i.e. floor information, best-effort path information, escape advisory information
It shows simultaneously.
Step S14 is then controlled described in the current region unit when the current region unit is high risk zone
Fire emergency lamp carries out the display of the second default instruction information in the second preset time with third brightness, wherein described second is pre-
If the time is less than first preset time, the brightness value of first brightness, second brightness and the third brightness according to
Secondary increase.
Specifically, when the current region unit becomes high risk zone from non hazardous areas, the current region unit
The interior fire emergency lamp is switched to third brightness by the second brightness in the second preset time and carries out the second default instruction information
Display.It should be understood that the fire-fighting when the current region unit is high risk zone, in the current region unit
Emergency light is switched to third brightness in the second preset time and carries out the display of the second default instruction information.Wherein described second is pre-
If the time is less than first preset time, the brightness value of first brightness, second brightness and the third brightness according to
Secondary increase, to avoid in the high risk zone fire spreading speed and smokescope it is excessive, so that escape personnel is not seen road surface
With the described second default instruction information to be in the presence of that escape personnel falls down and gets lost, therefore facilitate escape personnel's progress
Escape.
Further, the fire emergency lamps in the high risk zone are switched to high-risk state by not dangerous state
The starting time be not more than 0.25s, i.e. the second preset time be not more than 0.25s；The fire-fighting emergent in the danger zone
Lamps and lanterns are not more than 5s by the starting time that not dangerous state is switched to precarious position, i.e. the first preset time is not more than 0.25s, with
Due to avoiding the fire emergency lamp state activation time or state switching time is too long or the intensity of a fire and smog rate of propagation mistake
Fastly, escape personnel is made to miss best escape time.The adjusting of the brightness of the fire-fighting indicator light can be by disappearing described in change
The mode of the operating current of anti-emergency light is adjusted, but not limited to this, in other embodiments, the fire emergency lamp brightness
Adjusting can also be to light the LED lamp bead of different number to be adjusted.
When it is implemented, single led surface minimum brightness is no less than 50cd/m in non hazardous areas2, maximum brightness is not
It should be greater than 300cd/m2；Single led surface minimum brightness is no less than 300cd/m in danger zone2, maximum brightness should not exceed
500cd/m2；In high risk zone, single led surface minimum brightness is no less than 500cd/m2, maximum brightness should not exceed
1000cd/m2。
In addition, in other embodiments of the present invention, the control method of the fire emergency lamp can also be each by controlling
The fire emergency lamp in the territory element is switched over according to the area type of the current region unit to corresponding
Display color carries out different promptings with the territory element to the different zones type.The wherein non hazardous areas
The interior fire-fighting indicator light is green, and the fire-fighting indicator light in the danger zone is yellow, in the high risk zone
The fire-fighting indicator light be red, but not limited to this, in other embodiments can also be other colors.
In addition, in other embodiments of the present invention, it is described to work as proparea when the current region unit is non hazardous areas
The fire emergency lamp in the unit of domain does not carry out the display of the first default instruction information with the first brightness, then issues Fisrt fault
Prompt information；When the forefoot area unit is danger zone, the fire emergency lamp in the current region unit does not exist
The display for carrying out the second default instruction information in first preset time with the second brightness, then issue the second fault cues information；When
When the current region unit is high risk zone, the fire emergency lamp in the current region unit is when second is not default
The interior display that the second default instruction information is carried out with third brightness, then issue third fault cues information, to remind the industry
Business personnel or rescue personnel take corresponding measure in time.
The control method of fire emergency lamp proposed by the present invention, by obtaining the letter of the environmental parameter in the unit of each region
Breath when determining current region is non hazardous areas, then controls the current region to determine current region unit area type
The fire emergency lamp in unit carries out the display of the first default instruction information with the first brightness, when the current region unit
When for danger zone, then the fire emergency lamp controlled in the current region unit is bright with second in the first preset time
Degree carries out the display of the second default instruction information；When the current region unit is high risk zone, then control is described works as proparea
The fire emergency lamp in the unit of domain carries out the display of the second default instruction information in the second preset time with third brightness,
Second preset time is less than first preset time, first brightness, second brightness and the third brightness
Brightness value be sequentially increased.The control method of fire emergency lamp proposed by the present invention, can be according to the region of current region unit
Type and use the corresponding starting time, display brightness and display content to prompt escape personnel, therefore fire send out
Evacuation and suggesting effect well can be played when raw to escape personnel, therefore can miss to avoid stranded escape personnel and most preferably escape
Furthermore the raw time then reduces the fire-fighting when the current region unit is non hazardous areas and is powered using backup power source and answers
The brightness of anxious lamp is to save electric energy.
Referring to Fig. 2, the control method for the fire emergency lamp that second embodiment of the invention proposes, is applied to fire emergency lamp
Control system in, wherein including step S21~S23.
Step S21 obtains the ambient parameter information of each region unit, and according to ambient parameter information determination
The area type of current region unit.
Step S22 obtains the fire source letter in the current region unit when the current region unit is high risk zone
Breath, fire spreading speed and the location information of farthest extra exit.
Step S23, according to the fire source information of the current region unit, fire spreading speed and the position of farthest extra exit
Confidence, which ceases, to be determined fire spreading to the fire spreading time of farthest extra exit and carries out countdown and show.
Wherein, described according to the fire source information of the current region unit, fire spreading speed and farthest extra exit
Location information determines that fire spreading includes: to the fire spreading time of farthest extra exit and the step of carrying out countdown display
The wind speed of the current region unit is obtained, and the fire spreading speed is calculated according to the wind speed；
The distance between fire source and the farthest extra exit in the current region unit are obtained, according to the fire spreading
Speed calculates the fire spreading time of fire spreading to farthest extra exit；
Wherein, the fire spreading time calculation formula are as follows:
Wherein, T is the fire spreading time, and L is the distance between fire source and farthest extra exit, 0.5LhFor intensity of a fire diffusion
Distance, PVfFor fire spreading speed, P is the air speed influence factor, VfFor wind speed, VqFire source burning velocity.The air speed influence factor takes
Being worth range is 0.1~0.3.
The detection device further includes an air velocity transducer, and the air velocity transducer is for obtaining the current region unit
Interior wind speed information, the wind speed information include wind direction and wind speed, in the present embodiment, the control method of the fire emergency lamp,
Can according in current region unit fire source and the distance between farthest extra exit, calculated according to the fire spreading speed
Fire spreading to farthest extra exit the fire spreading time, so that it is determined that escape personnel escapes in the current region unit
The raw safe escape time, it is possible to understand that, the fire spreading time is the safe escape time.
Wherein, the fire spreading time is shown using countdown, is carried out in the present embodiment by the fire-fighting indicator light
It has been shown that, but not limited to this, the fire spreading time can also be shown by display screen in other embodiments.The height
Danger region in the fire spreading time countdown show for remind the escape personnel in the high risk zone in time into
Row escape, while rescue personnel can also be reminded to be rescued in time.Furthermore the fire spreading time calculating and fall count
When display can be applied not only to high risk zone, in other embodiments, can also be applied to danger zone in.
The present embodiment further perfect determination method of fire-fighting and rescue priority on the basis of first embodiment, is promoted
Practicability.
It should be noted that the present embodiment stressed is difference with a upper embodiment, between each embodiment
The non-repeated description in same and similar part, can be with cross-reference, and the technical characteristic between each embodiment can be according to this field
The conventional technical means of technical staff carries out selective combination.
Referring to Fig. 3, wherein the system includes obtaining for the control system of the fire emergency lamp in third embodiment of the invention
Modulus block 100 and the first control module 200, the second control module 300 and the third control module being connect with the acquisition module
400, first control module 200 is connect with the first display module 500, and second control module 300 and third control mould
Block 400 is connect with second display module 600.
The acquisition module 100, for obtaining the ambient parameter information of each region unit, and according to the environmental parameter
Information determines the area type of the current region unit.
When determining the temperature parameter, the smokescope parameter, the Fire Radiation intensive parameter and the gas
When any one of composition parameter parameter is respectively lower than corresponding first preset threshold, then the current region list is determined
Member is non hazardous areas；
When determining the temperature parameter, the smokescope parameter, the Fire Radiation intensive parameter and the gas
When any two parameters are respectively higher than corresponding first preset threshold in composition parameter, then the current region list is determined
Member is danger zone；
When determining the temperature parameter, the smokescope parameter, the Fire Radiation intensive parameter and the gas
When any two parameters are respectively higher than corresponding second preset threshold in composition parameter, then the current region list is determined
Member is high risk zone, and second preset threshold is greater than first preset threshold.
Further, the acquisition module 100 includes: first acquisition unit, second acquisition unit and third acquiring unit.
The first acquisition unit 101, for obtaining fire source information, fire spreading speed in the current region unit
And the location information of farthest extra exit.
The second acquisition unit 102 is calculated for obtaining the wind speed of the current region unit, and according to the wind speed
The fire spreading speed.
The third acquiring unit 103, for obtain the fire source in the current region unit and farthest extra exit it
Between distance, according to the fire spreading speed calculate fire spreading to farthest extra exit the fire spreading time.
First control module 200, for when the current region unit is non hazardous areas, then working as described in control
The fire emergency lamp in forefoot area unit carries out the display of the first default instruction information with the first brightness.
Second control module 300, it is described current for when the current region unit is danger zone, then controlling
The fire emergency lamp in territory element carries out the aobvious of the second default instruction information in the first preset time with the second brightness
Show.
The third control module 400, it is described current for when the current region unit is high risk zone, then controlling
The fire emergency lamp in territory element carries out the aobvious of the second default instruction information in the second preset time with third brightness
Show, second preset time is less than first preset time, and first brightness, second brightness and the third are bright
The brightness value of degree is sequentially increased.
First display module 500, it is described current for judging when the current region unit is non hazardous areas
Whether the fire emergency lamp in territory element uses backup power source to power, if so, controlling in the current region unit
The fire emergency lamp carries out the display of the first default instruction information with the 4th brightness, and it is bright that the 4th brightness is less than described first
Degree.
Second display module 600, for according to the fire source information of the current region unit, fire spreading speed and
The location information of farthest extra exit determines fire spreading to the fire spreading time of farthest extra exit and to carry out countdown aobvious
Show.
Wherein, the fire spreading time calculation formula are as follows:
Wherein, T is the fire spreading time, and L is the distance between fire source and farthest extra exit, 0.5LhFor intensity of a fire diffusion
Distance, PVfFor fire spreading speed, P is the air speed influence factor, VfFor wind speed, VqFire source burning velocity.The air speed influence factor takes
Being worth range is 0.1~0.3.
The present invention also provides a kind of readable storage medium storing program for executing, are stored thereon with computer program, wherein described program is located
The step of reason device realizes the method for any one in above-described embodiment 1 to 2 when executing.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.
The more specific example (non-exhaustive list) of computer-readable medium include the following: there are one or more wirings
Electrical connection section (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of control method of fire emergency lamp, which is characterized in that described method includes following steps:
The ambient parameter information of each region unit is obtained, and the current region unit is determined according to the ambient parameter information
Area type；
When the current region unit is non hazardous areas, then the fire emergency lamp in the current region unit is controlled
The display of the first default instruction information is carried out with the first brightness；
When the current region unit is danger zone, then the fire emergency lamp controlled in the current region unit exists
The display of the second default instruction information is carried out in first preset time with the second brightness；
When the current region unit is high risk zone, then the fire emergency lamp controlled in the current region unit exists
Carry out the display of the second default instruction information in second preset time with third brightness, second preset time is less than described the
The brightness value of one preset time, first brightness, second brightness and the third brightness is sequentially increased.
2. the control method of fire emergency lamp according to claim 1, which is characterized in that described to work as the current region list
When member is non hazardous areas, then the fire emergency lamp in the current region unit is controlled with the first brightness and carries out first in advance
If the step of indicating the display of information includes:
When the current region unit is non hazardous areas, judge that the fire emergency lamp in the current region unit is
It is no to be powered using backup power source；
The first default instruction information is carried out with the 4th brightness if so, controlling the fire emergency lamp in the current region unit
Display, the 4th brightness be less than first brightness；
If it is not, executing the fire emergency lamp controlled in the current region unit carries out the first default instruction with the first brightness
The step of display of information.
3. the control method of fire emergency lamp according to claim 1, which is characterized in that described to work as the current region list
When member is high risk zone, then the fire emergency lamp in the current region unit is controlled in the second preset time with third
After brightness carries out the step of display of the second default instruction information, the method also includes:
Obtain fire source information, fire spreading speed and the location information of farthest extra exit in the current region unit；
Fire is determined according to the fire source information of the current region unit, fire spreading speed and the location information of farthest extra exit
Gesture spreads to the fire spreading time of farthest extra exit and carries out countdown and shows.
4. the control method of fire emergency lamp according to claim 3, which is characterized in that described according to the current region
Fire source information, fire spreading speed and the location information of farthest extra exit of unit determine fire spreading to farthest extra exit
The fire spreading time and the step of carrying out countdown display include:
The wind speed of the current region unit is obtained, and the fire spreading speed is calculated according to the wind speed；
The distance between fire source and the farthest extra exit in the current region unit are obtained, according to the fire spreading speed
Calculate the fire spreading time of fire spreading to farthest extra exit；
Wherein, the fire spreading time calculation formula are as follows:
Wherein, T is the fire spreading time, and L is the distance between fire source and farthest extra exit, 0.5LhFor intensity of a fire diffusion length,
PVfFor fire spreading speed, P is the air speed influence factor, VfFor wind speed, VqFire source burning velocity.Air speed influence factor value range
It is 0.1~0.3.
5. the control method of fire emergency lamp according to claim 1, which is characterized in that the ambient parameter information includes
Temperature parameter, smokescope parameter, Fire Radiation intensive parameter and gas componant parameter,
The ambient parameter information for obtaining each region unit, and the current region is determined according to the ambient parameter information
The step of area type of unit includes:
When determining the temperature parameter, the smokescope parameter, the Fire Radiation intensive parameter and the gas componant
When any one of parameter parameter is respectively lower than corresponding first preset threshold, then determine that the current region unit is
Non hazardous areas；
When determining the temperature parameter, the smokescope parameter, the Fire Radiation intensive parameter and the gas componant
When any two parameters are respectively higher than corresponding first preset threshold in parameter, then determine that the current region unit is
Danger zone；
When determining the temperature parameter, the smokescope parameter, the Fire Radiation intensive parameter and the gas componant
When any two parameters are respectively higher than corresponding second preset threshold in parameter, then determine that the current region unit is
High risk zone, second preset threshold are greater than first preset threshold.
6. the control method of fire emergency lamp according to claim 1, which is characterized in that the method also includes:
The fire emergency lamp controlled in each territory element switches according to the area type of the current region unit
To corresponding display color.
7. a kind of control system of fire emergency lamp characterized by comprising
Module is obtained, determines institute for obtaining the ambient parameter information of each region unit, and according to the ambient parameter information
State the area type of current region unit；
First control module, for when the current region unit is non hazardous areas, then controlling the current region unit
The interior fire emergency lamp carries out the display of the first default instruction information with the first brightness；
Second control module, for when the current region unit is danger zone, then controlling in the current region unit
The fire emergency lamp display of the second default instruction information is carried out with the second brightness in the first preset time；
Third control module, for when the current region unit is high risk zone, then controlling in the current region unit
The fire emergency lamp carry out the display of the second default instruction information with third brightness in the second preset time, described second
Preset time be less than first preset time, first brightness, second brightness and the third brightness brightness value
It is sequentially increased.
8. the control system of fire emergency lamp according to claim 7, which is characterized in that further include:
First display module, for judging in the current region unit when the current region unit is non hazardous areas
The fire emergency lamp whether backup power source is used to power, if so, the fire-fighting controlled in the current region unit is answered
Anxious lamp carries out the display of the first default instruction information with the 4th brightness, and the 4th brightness is less than first brightness；
Second display module, for being gone out according to the fire source information of the current region unit, fire spreading speed and farthest safety
Mouthful location information determine fire spreading to the fire spreading time of farthest extra exit and carry out countdown and show.
9. the control system of fire emergency lamp according to claim 7, which is characterized in that the acquisition module includes:
First acquisition unit, for obtaining the fire source information in the current region unit, fire spreading speed and farthest safety
The location information of outlet；
Second acquisition unit, for obtaining the wind speed of the current region unit, and it is climing according to the wind speed calculating intensity of a fire
Prolong speed；
Third acquiring unit, for obtaining the distance between fire source and farthest extra exit in the current region unit, root
The fire spreading time of fire spreading to farthest extra exit is calculated according to the fire spreading speed.
10. a kind of readable storage medium storing program for executing, is stored thereon with computer program, which is characterized in that described program is executed by processor
The step of method of the Shi Shixian as described in any one of claim 1-6.
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| CN2017114945908 | 2017-12-31 | ||
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115249394A (en) * | 2021-12-31 | 2022-10-28 | 重庆工程职业技术学院 | A BIM-based engineering construction device |
| CN115330282A (en) * | 2022-10-14 | 2022-11-11 | 深圳市恒生智能科技有限公司 | Discharge management method and system for emergency lighting energy storage power supply |
| CN115424404A (en) * | 2022-09-06 | 2022-12-02 | 湖南省永神科技有限公司 | Lighting system with fire alarm function |
| CN116321571A (en) * | 2023-05-19 | 2023-06-23 | 苏州尚集思智能技术有限公司 | Networking type LED fire emergency lamp based on Internet of things technology |
| CN119181198A (en) * | 2024-10-11 | 2024-12-24 | 山东赢云智能科技有限公司 | Fire visualization active early warning and monitoring system and method based on infrared temperature measurement technology |
| CN120186834A (en) * | 2025-05-22 | 2025-06-20 | 深圳市雨星科技有限公司 | A control system and method for LED lighting emergency integrated lamp |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2215105A (en) * | 1988-02-16 | 1989-09-13 | Richard William Henry Ford | Personnel evacuation system |
| CN1380631A (en) * | 2001-04-06 | 2002-11-20 | 朱正东 | Intelligent fire-pretection system and its control method |
| CN101119771A (en) * | 2005-02-15 | 2008-02-06 | 格伦德勒电子两合公司 | Evacuation system including escape lights |
| CN101925934A (en) * | 2007-12-20 | 2010-12-22 | 格林德勒电力两合公司 | Evacuation systems and their escape route indicators |
| CN201892136U (en) * | 2010-11-12 | 2011-07-06 | 厦门汇耕电子工业有限公司 | Light-emitting diode (LED) bulb with escape indication |
| CN202257792U (en) * | 2011-10-26 | 2012-05-30 | 中国矿业大学 | Energy-saving warning sign |
| CN202548992U (en) * | 2012-03-11 | 2012-11-21 | 苏州国网电子科技有限公司 | Intelligent display instrument for key state of fire-fighting equipment |
| CN103394171A (en) * | 2013-08-02 | 2013-11-20 | 重庆大学 | Large high-rise building indoor fire urgent evacuation indication escape method and system |
| CN104307131A (en) * | 2014-10-14 | 2015-01-28 | 四川宏源德石化有限公司 | Integral solving method for vehicle safety protection monitoring system |
| CN104809832A (en) * | 2015-04-28 | 2015-07-29 | 苏州市时代工程咨询设计管理有限公司 | Fire evacuation system and evacuation method thereof |
| CN105279884A (en) * | 2014-07-04 | 2016-01-27 | 国家电网公司 | Transmission line mountain fire spread warning method with combination of public network weather |
| CN105793904A (en) * | 2013-10-07 | 2016-07-20 | 谷歌公司 | Smart-home hazard detector providing non-alarm status signals at opportune moments |
| CN105787602A (en) * | 2016-03-16 | 2016-07-20 | 华北电力大学 | Power transmission line wildfire dynamic forecasting and early warning method based on sequential variation |
| CN106373318A (en) * | 2016-10-27 | 2017-02-01 | 深圳乐创信息通讯技术有限公司 | Fire prevention and control system based on LoRa technology |
| CN205942982U (en) * | 2016-08-10 | 2017-02-08 | 威特龙消防安全集团股份公司 | Intelligent fire monitoring system |
| CN206224718U (en) * | 2016-11-30 | 2017-06-06 | 重庆博钻太阳能灯具有限公司 | The escape indicator light of automatic regulating lightness |
-
2018
- 2018-12-29 CN CN201811644942.8A patent/CN109816911A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2215105A (en) * | 1988-02-16 | 1989-09-13 | Richard William Henry Ford | Personnel evacuation system |
| CN1380631A (en) * | 2001-04-06 | 2002-11-20 | 朱正东 | Intelligent fire-pretection system and its control method |
| CN101119771A (en) * | 2005-02-15 | 2008-02-06 | 格伦德勒电子两合公司 | Evacuation system including escape lights |
| CN101925934A (en) * | 2007-12-20 | 2010-12-22 | 格林德勒电力两合公司 | Evacuation systems and their escape route indicators |
| CN201892136U (en) * | 2010-11-12 | 2011-07-06 | 厦门汇耕电子工业有限公司 | Light-emitting diode (LED) bulb with escape indication |
| CN202257792U (en) * | 2011-10-26 | 2012-05-30 | 中国矿业大学 | Energy-saving warning sign |
| CN202548992U (en) * | 2012-03-11 | 2012-11-21 | 苏州国网电子科技有限公司 | Intelligent display instrument for key state of fire-fighting equipment |
| CN103394171A (en) * | 2013-08-02 | 2013-11-20 | 重庆大学 | Large high-rise building indoor fire urgent evacuation indication escape method and system |
| CN105793904A (en) * | 2013-10-07 | 2016-07-20 | 谷歌公司 | Smart-home hazard detector providing non-alarm status signals at opportune moments |
| CN105279884A (en) * | 2014-07-04 | 2016-01-27 | 国家电网公司 | Transmission line mountain fire spread warning method with combination of public network weather |
| CN104307131A (en) * | 2014-10-14 | 2015-01-28 | 四川宏源德石化有限公司 | Integral solving method for vehicle safety protection monitoring system |
| CN104809832A (en) * | 2015-04-28 | 2015-07-29 | 苏州市时代工程咨询设计管理有限公司 | Fire evacuation system and evacuation method thereof |
| CN105787602A (en) * | 2016-03-16 | 2016-07-20 | 华北电力大学 | Power transmission line wildfire dynamic forecasting and early warning method based on sequential variation |
| CN205942982U (en) * | 2016-08-10 | 2017-02-08 | 威特龙消防安全集团股份公司 | Intelligent fire monitoring system |
| CN106373318A (en) * | 2016-10-27 | 2017-02-01 | 深圳乐创信息通讯技术有限公司 | Fire prevention and control system based on LoRa technology |
| CN206224718U (en) * | 2016-11-30 | 2017-06-06 | 重庆博钻太阳能灯具有限公司 | The escape indicator light of automatic regulating lightness |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115249394A (en) * | 2021-12-31 | 2022-10-28 | 重庆工程职业技术学院 | A BIM-based engineering construction device |
| CN115424404A (en) * | 2022-09-06 | 2022-12-02 | 湖南省永神科技有限公司 | Lighting system with fire alarm function |
| CN115330282A (en) * | 2022-10-14 | 2022-11-11 | 深圳市恒生智能科技有限公司 | Discharge management method and system for emergency lighting energy storage power supply |
| CN115330282B (en) * | 2022-10-14 | 2023-01-31 | 深圳市恒生智能科技有限公司 | Discharge management method and system for emergency lighting energy storage power supply |
| CN116321571A (en) * | 2023-05-19 | 2023-06-23 | 苏州尚集思智能技术有限公司 | Networking type LED fire emergency lamp based on Internet of things technology |
| CN116321571B (en) * | 2023-05-19 | 2023-08-18 | 苏州尚集思智能技术有限公司 | Networking type LED fire emergency lamp based on Internet of things technology |
| CN119181198A (en) * | 2024-10-11 | 2024-12-24 | 山东赢云智能科技有限公司 | Fire visualization active early warning and monitoring system and method based on infrared temperature measurement technology |
| CN120186834A (en) * | 2025-05-22 | 2025-06-20 | 深圳市雨星科技有限公司 | A control system and method for LED lighting emergency integrated lamp |
| CN120186834B (en) * | 2025-05-22 | 2025-07-22 | 深圳市雨星科技有限公司 | A control system and method for LED lighting emergency integrated lamp |
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