CN105096510A - Senior-suitable smoke detector alarm method - Google Patents
Senior-suitable smoke detector alarm method Download PDFInfo
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- CN105096510A CN105096510A CN201510370336.1A CN201510370336A CN105096510A CN 105096510 A CN105096510 A CN 105096510A CN 201510370336 A CN201510370336 A CN 201510370336A CN 105096510 A CN105096510 A CN 105096510A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Electromagnetism (AREA)
- Fire Alarms (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a smoke detector alarm method, particularly relating to a senior-suitable smoke detector alarm method. Aiming for the special occasions like the nursing house, and the group having hearing impairment, the invention adopts a unique alarm mode and designs a low-frequency-middle-frequency-high-frequency voice circulating playing mode. The senior-suitable smoke detector alarm method enables people having hearing impairment to distinguish the fire hazard signal and escape from the fire scene at first time, is applicable to multiple occasions and people groups and is wide in application.
Description
Technical field
The present invention relates to a kind of smoke detector alarm method, particularly a kind of smoke alarm alarm method being applicable to the elderly.
Background technology
Existing smoke alarm applies the most general detector in the world at present.It is widely used in the places such as household, market, hotel, office building, dancing hall, warehouse.But the type of alarm of existing smoke alarm is all adopt simple sound and light alarm, and when there being the condition of a fire to occur, alarm lamp is bright, is sent the alarm sound of characteristic frequency and specific loudness by hummer or loudspeaker simultaneously.But this type of alarm, for Subjects With Normal Hearing group, can tell audio warning well.But those hearing are had to the elderly of obstacle, they are very low to the acoustic resolution of this characteristic frequency, the very first time fire dangerous situation can not be made a response, to such an extent as to delay the best and flee from the time, easily cause unnecessary personal injury.So, to these specific crowds, be necessary to design a detector that the crowd of obstacle can be had to work to hearing, be necessary the type of alarm inventing a kind of uniqueness, make these hearing have obstacle people group energy well to tell alarm sound.
Along with the growth of China's mean lifetime, elderly population get more and more, and aging trend becomes increasingly conspicuous.Show according to investigations, after 60 years old, the hearing level of groups of people declines, and wherein high-frequency balance obviously (4 ~ 8KHz), but medium and low frequency hearing still can.The crowd having now dysaudia is impaired hearing in various degree, and what have is insensitive to high frequency, and some centering low-frequency sounds are insensitive.Home for destitute, the Lushan wildfire that tafelberg, Henan occurs, has beaten alarm bell to us.The injures and deaths of a lot of the elderly an innocent person are lessons written in blood.Similar a lot of place, because the detector of not installing smoke alarm or installation is concerning those hearing have the elderly of obstacle, has little significance.When there being the condition of a fire to occur, they can not tell alarm sound the very first time, to such an extent as to have delayed and best flee from the time, result in very calamitous generation.
According to market study and analysis, the elderly occurs slowly aging because of age growth, hearing organ and other different tissues of health and organ jointly, occurs the physiological phenomenon of dysacousis.Shown in accompanying drawing 2 curve.
Analyze known according to market survey, existing smoke alarm is concerning those have the elderly of dysaudia, and meaning is not very large.According to their hearing feature, be necessary that invention is a kind of and be specially adapted for a kind of detector alarm method that those have the elderly of dysaudia.
Summary of the invention
The present invention, in order to make up the defect of prior art, provides and is a kind ofly applied to many occasions, is applicable to the alarm method that multiple crowd especially has the smoke alarm of the elderly of auditorily handicapped.
The present invention is achieved through the following technical solutions:
A kind of smoke alarm alarm method being applicable to the elderly, it is characterized in that: utilize the frequency generation control module of main control chip MCU to control audio warning frequency, for middle-aged and old hearing feature, send out the voice signal of different frequency range, so that they well distinguish voice signal.
Described frequency control generation module also produces PWM ripple by digital circuit and is converted to square wave or realizes the control of different frequency signals by building oscillatory circuit.
The above-mentioned smoke alarm alarm method being applicable to the elderly, is characterized in that: specifically comprise the steps:
(1) smoke signal gatherer process: the smoke signal acquisition module of detector gathers the smoke signal in environment;
(2) smoke signal processing procedure: utilize smog recognizer to process the smoke signal that step (1) gathers;
(3) smog alarm method implementation procedure: when being judged as fire, main control chip MCU controls I/O port, frequency control generation module produces low frequency 300Hz ~ 600Hz, intermediate frequency 800Hz ~ 2KHz, with the square-wave signal that high frequency 6K ~ 8KHz tri-kinds of different frequency ranges export, the voice signal certain time of often kind of different frequency range simultaneously, by power amplifier module, acoustic signals is amplified, finally by loudspeaker output low frequency respectively, intermediate frequency, the voice signal of high frequency three kinds of different frequencies, the voice signal circulation of these three kinds of frequency ranges is reported, this design can help the elderly well to tell alarm sound, the normal people of hearing also can hear alarm sound simultaneously, this detector can be applicable to multiple different occasion, be applicable to multiple different crowd, especially those hearing are had to the elderly of obstacle, meaning is very great.
Described frequency control generation module also produces PWM ripple by digital circuit and is converted to square wave or realizes the control of different frequency signals by building oscillatory circuit.
The invention has the beneficial effects as follows:
Smoke alarm alarm method of the present invention, adopt unique type of alarm, devise a kind of low frequency, intermediate frequency, high-frequency sound circulation report pattern, those hearing are had to the people of obstacle, can well fire alarm signal be told, play the effect that the very first time escapes the inferno, go for many occasions, multiple crowd, especially there is the elderly of dysaudia to wait special population, also well can differentiate alarm sound for the normal people of hearing simultaneously, there is widespread use.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Accompanying drawing 1 is applicable to the hardware pipeline figure of the special smoke alarm of the elderly for the present invention;
Accompanying drawing 2 is hearing of senior people audiogram.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated, but be not used for limiting the scope of the invention.
Alarm method of the present invention, can be applied to wired smoke alarm and wireless smoke alarm.The course of work of smoke alarm is divided into following process substantially:
(1) address encoding proce: for the detector linked with fire-fighting main frame, in order to distinguish the smoke alarm of each fire-fighting main frame association, before normal work, utilize telepilot to encode to each probe address, encoded content comprises the information such as fire-fighting host address, detector building, unit, room number, detector sequence number.Wired fire-fighting main frame can realize its address encoding proce by scrambler or directly to detector coding, and wireless smoke alarm can be encoded to probe address by wireless communication technique.For freestanding smoke alarm then without the need to this address encoding proce.
(2) smoke signal gatherer process: the smoke signal acquisition module of detector gathers the smoke signal in environment;
(3) smoke signal processing procedure: utilize smog recognizer to process the smoke signal that step (1) gathers; The recognizer of conventional smoke alarm comprises: threshold detection method, adopts smoke alarm to detect fire parameter exactly, exceeding specific threshold, just sending alerting signal when getting parms.Or the relevant recognition methods etc. such as Trend Algorithm, slope algorithm.
(4) smog alarm method implementation procedure: when fire occurs, main control chip MCU controls I/O port, frequency control generation module produces 300Hz ~ 600Hz, 800Hz ~ 2KHz, with the square-wave signal that 6K ~ 8KHz tri-kinds of different frequency ranges export, the voice signal certain time of often kind of different frequency range simultaneously, by power amplifier module, acoustic signals is amplified, finally by loudspeaker output low frequency respectively, intermediate frequency, the voice signal of high frequency three kinds of different frequency ranges, the voice signal circulation of these three kinds of different frequency ranges is reported, this design can help the elderly of dysaudia well to tell alarm sound, the normal people of hearing also can hear alarm sound simultaneously, this detector can be applicable to multiple different occasion, be applicable to multiple different crowd, especially those hearing are had to the elderly of obstacle, meaning is very great.
Smoke signal gatherer process of the present invention and smoke signal processing procedure are prior art, are not described in detail in this.
Described frequency control generation module also produces PWM ripple by digital circuit and is converted to square wave or realizes the control of different frequency signals by building oscillatory circuit.
Alarm method of the present invention adopts the voice signal circulation of low frequency, intermediate frequency, high frequency three kinds of different frequencies to report, and conveniently has the elderly of dysaudia to differentiate alarm sound, accomplishes to escape the inferno timely, reduce unnecessary casualties.In addition, the present invention's removing also can use Subjects With Normal Hearing group outside being suitable for very much this specific occasion, home for destitute.The present invention is applicable to multiple occasion, multiple crowd.
Claims (3)
1. be applicable to a elderly's smoke alarm alarm method, it is characterized in that: utilize the frequency generation control module of main control chip MCU to produce the voice signal of different frequency.
2. a kind of smoke alarm alarm method being applicable to the elderly according to claim 1, is characterized in that: the detector course of work specifically comprises the steps:
(1) smoke signal gatherer process: the smoke signal acquisition module of detector gathers the smoke signal in environment;
(2) smoke signal processing procedure: utilize smog recognizer to carry out Treatment Analysis to the smoke signal that step (1) gathers, judged whether that the condition of a fire occurs;
(3) smog alarm method implementation procedure: when being judged as fire, main control chip MCU controls I/O port, frequency control generation module produces low frequency, the square-wave signal that intermediate frequency and high frequency three kinds of different frequency ranges export, the voice signal certain time of often kind of different frequency range simultaneously, by power amplifier module, acoustic signals is amplified, finally by the voice signal of loudspeaker difference output low frequency, intermediate frequency, high frequency three kinds of different frequencies.
3. a kind of smoke alarm alarm method being applicable to the elderly according to claim 1, is characterized in that: described frequency control generation module also produces PWM ripple by digital circuit and is converted to square wave or realizes the control of different frequency signals by building oscillatory circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510370336.1A CN105096510A (en) | 2015-06-30 | 2015-06-30 | Senior-suitable smoke detector alarm method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510370336.1A CN105096510A (en) | 2015-06-30 | 2015-06-30 | Senior-suitable smoke detector alarm method |
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| CN105096510A true CN105096510A (en) | 2015-11-25 |
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| CN201510370336.1A Pending CN105096510A (en) | 2015-06-30 | 2015-06-30 | Senior-suitable smoke detector alarm method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201226202Y (en) * | 2008-06-27 | 2009-04-22 | 北京联合大学生物化学工程学院 | Control circuit based on singlechip for simulating noise |
| CN101853549A (en) * | 2010-05-05 | 2010-10-06 | 于昌华 | Method for indicating positions of dangerous articles in low-visibility fire field environment |
| CN101855913A (en) * | 2007-11-09 | 2010-10-06 | 皇家飞利浦电子股份有限公司 | Warning device and method |
| CN104282099A (en) * | 2013-07-04 | 2015-01-14 | 公安部沈阳消防研究所 | Position identifying device for guiding people to scatter based on audio technology and control method thereof |
| WO2015042002A1 (en) * | 2013-09-17 | 2015-03-26 | Microchip Technology Incorporated | A smoke detector with enhanced audio and communications capabilities |
-
2015
- 2015-06-30 CN CN201510370336.1A patent/CN105096510A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101855913A (en) * | 2007-11-09 | 2010-10-06 | 皇家飞利浦电子股份有限公司 | Warning device and method |
| CN201226202Y (en) * | 2008-06-27 | 2009-04-22 | 北京联合大学生物化学工程学院 | Control circuit based on singlechip for simulating noise |
| CN101853549A (en) * | 2010-05-05 | 2010-10-06 | 于昌华 | Method for indicating positions of dangerous articles in low-visibility fire field environment |
| CN104282099A (en) * | 2013-07-04 | 2015-01-14 | 公安部沈阳消防研究所 | Position identifying device for guiding people to scatter based on audio technology and control method thereof |
| WO2015042002A1 (en) * | 2013-09-17 | 2015-03-26 | Microchip Technology Incorporated | A smoke detector with enhanced audio and communications capabilities |
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Application publication date: 20151125 |