CN102298822A - Self-serve passive life emergency call method and system thereof - Google Patents
Self-serve passive life emergency call method and system thereof Download PDFInfo
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Abstract
The invention discloses a self-serve passive life emergency call method and a system thereof. The method comprises the following steps: S1. receiving a medium high frequency search and rescue signal with adjustable intensity and converting into an electric energy; S2. triggering distress signal generation module so as to generate a medium high frequency distress signal through an manual mode or an automatic mode; S3. carrying out seamless capture to the medium high frequency distress signal and determining a direction and a distance of personnel who needs help. The method and the system of the invention are based on the medium high frequency signal. Compared to the current search and rescue mode, by using the method and system of the invention can enlarge a search and rescue measurement range. The search and rescue can not be influenced by a post-disaster environment so that measurement accuracy and a search and rescue efficiency can be substantially raised. Besides, the distress signal module does not need extra power supply and possesses a strong explosion-proof capability. In the invention, according to different life characteristic signals, rescuers can reasonably distribute personnel to rescue the survivor with the poor life characteristic so that best treatment time can not be delayed. Therefore, on the rescuing spot, more lives can be rescued.
Description
Technical field
The present invention relates to self-service passive life calling method and system, belong to communication technique field.
Background technology
In recent years, be subjected to the influence of factors such as extreme weather, earthquake and engineering construction, various disasteies constantly increase the weight of heavy casualties and the property loss that the mankind cause.Because loss is extremely important the emergency searching and rescuing technical merit for disaster mitigation after the calamity, therefore improves and improve the extensive attention that disaster relief system is subjected to each country.
The search and rescue system that comes into operation both at home and abroad at present mainly contains four kinds: optical type, audio-type, infrared type, radar type.The utilization of optical type search and rescue system can be arbitrarily the crooked metallic snakeskin pipe camera lens that make front end by the slit in buildings ruins observe ruins down situation and image passed back, but this search and rescue system detection range lacks, and can't use when seamless in ruins; The audio-type search and rescue system adopts the high sensitivity acoustic pickup to add that the amplification of high power signal, special filtering technique etc. intercept audio frequency and vibration informations such as whether survivor's breathing sound, moan or knock are arranged under the ruins, thereby discovery is buried in the people below the ruins, but using, this system requirements could obtain effect preferably under more quiet environment, measuring accuracy is low, and search efficiency is also lower; Infrared search and rescue system utilizes infrared radiation measurement life body temperature, can contact tested life entity, and measuring distance is as far as tens meters, but this system is affected by environment bigger, and measuring accuracy is low; The radar search and rescue system is the focus of Recent study, this search and rescue system emission frequency electromagnetic waves is breathed by human body or the thorax surface reflection of cardiac motion, the reflection wave phase differential that utilizes these fluctuations to cause parses feeble signals such as heartbeat or breathing, thereby find buried life, but when reality is rescued, whether not clear situation under the ruins or on-the-spot various undesired signals make differentiation exist and the unusual difficulty of faint life-information, and measuring accuracy is low.
In addition, above-mentioned electronic product cost is not cheap, can not everyone carry; The electronic equipment that needs the salvor to carry needs extra power supply, has the problem of depleted of energy, if depleted of energy, search and rescue system does not just receive signal so on the ground,
Can directly cause search efficiency to reduce greatly; In mine disaster, if gas concentration is too high, certain electric current also may be explosion caused in addition.
Therefore, how to design the search efficiency height, measurement range is wide, the cost cost is low, the search and rescue system of disaster-stricken back environmental impact and energy limited becomes the emphasis of research.
Summary of the invention
The objective of the invention is to, a kind of self-service passive life calling method and system are provided, it not only can enlarge the search and rescue measurement range, make not disaster-stricken back environmental impact of search and rescue and energy limited, improve measuring accuracy, improve search efficiency, reduce the cost cost, but also can guarantee the preferential survivor that sign of life is arranged that searches and rescues, thereby at the more life of the on-the-spot redemption of the search and rescue of seizing every minute and second.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: self-service passive life calling method may further comprise the steps:
S1, the medium-high frequency search and rescue signal that receiving intensity is adjustable also is converted into electric energy;
S2 triggers the distress call generation module by manual or automated manner and produces the medium-high frequency distress call;
S3 carries out seamless seizure and determine to need salvor's azimuth-range this medium-high frequency distress call.
Among the step S1, can adopt manual, wired or wireless mode to adjust the intensity of medium-high frequency search and rescue signal, thereby guarantee that the search and rescue measurement range that the rescue worker carries out is wide, not be subjected to environmental restraint according to varying environment.
Among the step S1, can shorten the time of energy conversion by the power that increases the medium-high frequency search and rescue signal.
In the aforesaid self-service passive life calling method, the described energy conversion of step S1 realizes by filter and electricity energy harvester, a medium-high frequency search and rescue signal with designated frequency band was converted to electric energy when filter made energy conversion, and other medium-high frequency signal is filtered, just start working when guaranteeing to have only the search and rescue signal of existence, guaranteed that the target of searching and rescuing is stronger; When not having search and rescue signal, electricity energy harvester does not carry out energy conversion, and no-output voltage makes system have extremely strong explosion-proof ability.
Described electricity energy harvester comprises impedance matching and filtering circuit and rectification circuit, impedance matching and filtering circuit make transmission can not produce reflection, all energy are all absorbed by load, have avoided the energy loss in transmission, can suppress the generation of harmonic wave simultaneously; Rectification circuit is converted to direct current with the wireless energy signal that antenna receives, and produces distress signal thereby drive the distress signal generation device; This electricity energy harvester is applicable to and removes arbitrary medium-high frequency section that radio uses frequency range.
Described electricity energy harvester also can adopt existing chip to realize, the best effort frequency range of this chip is 902-928MHz, compares with being operated in other frequency ranges, and its energy conversion efficiency has improved about 10%.
In the aforesaid self-service passive life calling method, step S2 is described to be to adopt artificial call device to realize manually, by automated manner is to adopt the infrared energy sensing device to realize, and described artificial call device and infrared energy sensing device trigger the distress call that the distress call generation module produces different frequency, the distress call that produces by artificial call device illustrates that survivor's vital signs is better, the distress call that produces by the infrared energy sensing device illustrates that survivor's vital signs is relatively poor, search and rescue person can the relatively poor survivor of reasonable distribution personnel emphasis search and rescue vital signs make it not delay golden hour according to different vital sign signals, finally is implemented in the more life of the on-the-spot redemption of the search and rescue of seizing every minute and second.
In the aforesaid self-service passive life calling method, the described distress call generation module of step S2 comprises microcontroller and signal generator.
In the aforesaid self-service passive life calling method, step S3 is described to carry out seamless seizure and need to determine salvor's azimuth-range to realize by antenna, recognizer and monitor, described recognizer captures the line frequency analysis of spectrum of going forward side by side in the internal memory by adopting the real-time parallel calculation mode with the medium-high frequency distress signal is seamless, thereby has guaranteed to receive the promptness of medium-high frequency distress signal.
Realize the self-service passive life distress system of preceding method, comprise: search and rescue signal transmitter, energy conversion module, active module, distress call generation module and distress signal identification orientator, active module is connected with the distress call generation module with energy conversion module respectively, energy conversion module wireless connections search and rescue signal transmitter, distress call generation module wireless connections distress signal identification orientator.
In the aforesaid self-service passive life distress system, described search and rescue signal transmitter also comprises: power amplifier, can shorten the time that energy conversion module is carried out energy conversion greatly by the medium-high frequency search and rescue signal that utilizes power amplifier amplification search and rescue signal transmitter to send, thereby guarantee the promptness of supply of electrical energy.
Aforesaid self-service passive life distress system, described energy conversion module comprises filter and electricity energy harvester, a medium-high frequency search and rescue signal with designated frequency band was converted to electric energy when filter made energy conversion, and other medium-high frequency signal is filtered, just start working when guaranteeing to have only the search and rescue signal of existence, guaranteed that the target of searching and rescuing is stronger; When not having search and rescue signal, electricity energy harvester does not carry out energy conversion, and no-output voltage makes system have extremely strong explosion-proof ability.
Described electricity energy harvester comprises impedance matching and filtering circuit and rectification circuit, impedance matching and filtering circuit make transmission can not produce reflection, all energy are all absorbed by load, have avoided the energy loss in transmission, can suppress the generation of harmonic wave simultaneously; Rectification circuit is converted to direct current with the wireless energy signal that antenna receives, and produces distress signal thereby drive the distress signal generation device; This electricity energy harvester is applicable to and removes arbitrary medium-high frequency section that radio uses frequency range.
Described electricity energy harvester also can adopt existing chip to realize, the best effort frequency range of this chip is 902-928MHz, compares with being operated in other frequency ranges, and its energy conversion efficiency has improved about 10%.
Aforesaid self-service passive life distress system, described active module comprises artificial call device and infrared energy sensing device, described artificial call device and infrared energy sensing device trigger the distress call that the distress call generation module produces different frequency, the distress call that produces by artificial call device illustrates that survivor's vital signs is better, the distress call that produces by the infrared energy sensing device illustrates that survivor's vital signs is relatively poor, search and rescue person can reasonable distribution personnel emphasis searches and rescues the relatively poor survivor of vital signs according to different vital sign signals make it not delay golden hour, finally realizes the survivor all being rescued and all keeping vital signs preferably.
Aforesaid self-service passive life distress system, described distress call generation module comprises microcontroller and signal generator.
Aforesaid self-service passive life distress system, described distress signal identification orientator comprises: antenna, recognizer and monitor, described recognizer captures the line frequency analysis of spectrum of going forward side by side in the internal memory by adopting the real-time parallel calculation mode with the medium-high frequency distress signal is seamless, thereby has guaranteed to receive the promptness of medium-high frequency distress signal.
Compared with prior art, the present invention is based on the medium-high frequency signal, intermediate-freuqncy signal has very strong diffracting power, high-frequency signal has very strong penetration capacity, and the intensity of medium-high frequency signal is adjustable, can regulate according to ambient conditions, thereby the present invention compares with existing search and rescue mode and can enlarge the search and rescue measurement range, make the not disaster-stricken back of search and rescue environmental impact, improve degree of accuracy and the search efficiency of measuring greatly; In addition, need the salvor when calling for help, not need extra electric power system among the present invention, when having search and rescue signal, energy conversion module can be electric energy with the energy conversion of wireless medium-high frequency signal, drive the medium-high frequency distress signal that the distress call generation module sends assigned frequency, and needn't worry the energy problem of distress call generation module, thereby guaranteed the promptness that needs the salvor to be rescued, and when not having search and rescue signal, energy conversion module is not carried out energy conversion, no-output voltage makes system have extremely strong explosion-proof ability.In addition because the function that related circuit can be realized modules such as distress call generation module and energy conversion module is built in the develop rapidly of integrated circuit, and the circuit of building can do very little, not only cost is low, and is easy to carry; In addition, the present invention particularly importantly can trigger the distress call generation module by manual or automated manner and produce the medium-high frequency distress call, the distress call explanation survivor's who produces manually vital signs is better, the distress call that produces by automated manner illustrates that survivor's vital signs is relatively poor, search and rescue person can the relatively poor survivor of reasonable distribution personnel emphasis search and rescue vital signs make it not delay golden hour according to different vital sign signals, finally is implemented in the more life of the on-the-spot redemption of the search and rescue of seizing every minute and second.According to statistics, after the destructive bigger disaster generation,, behind employing the present invention, just can significantly reduce the generation of this incident owing to the blindness of searching and rescuing causes having originally the person for help of vital signs because it is very big that the quantity of dying is incured loss through delay in relief.In addition, electricity energy harvester described in the present invention comprises impedance matching and filtering circuit and rectification circuit, and impedance matching and filtering circuit make transmission can not produce reflection, and all energy are all absorbed by load, avoid the energy loss in transmission, can suppress the generation of harmonic wave simultaneously; Rectification circuit is converted to direct current with the wireless energy signal that antenna receives, and produces distress signal thereby drive the distress signal generation device; This electricity energy harvester is applicable to and removes arbitrary medium-high frequency section that radio uses frequency range.Described electricity energy harvester also can adopt existing chip to realize, the best effort frequency range of this chip is 902-928MHz, compares with being operated in other frequency ranges, and its energy conversion efficiency has improved about 10%.At last, the present invention carries out seamless seizure and need to determine salvor's azimuth-range to realize by antenna, recognizer and monitor emergency personnel's medium-high frequency distress call, described recognizer captures the line frequency analysis of spectrum of going forward side by side in the internal memory by adopting the real-time parallel calculation mode with the medium-high frequency distress signal is seamless, thereby has guaranteed to receive the promptness of medium-high frequency distress signal.
Description of drawings
Fig. 1 is the workflow diagram of a kind of embodiment of the present invention;
Fig. 2 is the structural representation of a kind of embodiment of the present invention;
Fig. 3 is the structural representation of electricity energy harvester among a kind of embodiment of the present invention.
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Embodiment
Embodiment 1: self-service passive life calling method as shown in Figure 1, may further comprise the steps:
S1, the medium-high frequency search and rescue signal that receiving intensity is adjustable also is converted into electric energy, wherein can adopt manual, wired or wireless mode to adjust the intensity of medium-high frequency search and rescue signal, thereby guarantee that the search and rescue measurement range that the rescue worker carries out is wide, not be subjected to environmental restraint according to varying environment; Described energy conversion can realize by filter and electricity energy harvester, a medium-high frequency search and rescue signal with designated frequency band was converted to electric energy when filter made energy conversion, and other medium-high frequency signal is filtered, just start working when guaranteeing to have only the search and rescue signal of existence, guaranteed that the target of searching and rescuing is stronger; When not having search and rescue signal, electricity energy harvester does not carry out energy conversion, and no-output voltage makes system have extremely strong explosion-proof ability.Electricity energy harvester comprises impedance matching and filtering circuit and rectification circuit, and impedance matching and filtering circuit make transmission can not produce reflection, and all energy are all absorbed by load, have avoided the energy loss in transmission, can suppress the generation of harmonic wave simultaneously; Rectification circuit is converted to direct current with the wireless energy signal that antenna receives, and produces distress signal thereby drive the distress signal generation device; This electricity energy harvester is applicable to and removes arbitrary medium-high frequency section that radio uses frequency range.Electricity energy harvester also can adopt existing chip to realize, the best effort frequency range of this chip is 902-928MHz, compares with being operated in other frequency ranges, and its energy conversion efficiency has improved about 10%.
, trigger the distress call generation module by manual or automated manner and produce the medium-high frequency distress call; Wherein, described distress call generation module comprises microcontroller and signal generator, describedly can adopt artificial call device to realize manually, can adopt the infrared energy sensing device to realize by automated manner, and described artificial call device and infrared energy sensing device trigger the distress call that the distress call generation module produces different frequency, the distress call that produces by artificial call device illustrates that survivor's vital signs is better, the distress call that produces by the infrared energy sensing device illustrates that survivor's vital signs is relatively poor, search and rescue person can the relatively poor survivor of reasonable distribution personnel emphasis search and rescue vital signs make it not delay golden hour according to different vital sign signals, finally is implemented in the more life of the on-the-spot redemption of the search and rescue of seizing every minute and second.
This medium-high frequency distress call is carried out seamless seizure and definite salvor's of need azimuth-range, described azimuth-range of carrying out seamless seizure and definite salvor of need realizes by antenna, recognizer and monitor, described recognizer captures the line frequency analysis of spectrum of going forward side by side in the internal memory by adopting the real-time parallel calculation mode with the medium-high frequency distress signal is seamless, thereby has guaranteed to receive the promptness of medium-high frequency distress signal.
Embodiment 2: a kind of self-service passive life distress system of realizing said method, as shown in Figure 2, comprise: search and rescue signal transmitter, energy conversion module, active module, distress call generation module and distress signal identification orientator, active module is connected with the distress call generation module with energy conversion module respectively, energy conversion module wireless connections search and rescue signal transmitter, distress call generation module wireless connections distress signal identification orientator.Described search and rescue signal transmitter and distress signal identification orientator are called search and rescue system on the ground; Described energy conversion module, active module and distress call generation module are called underground distress system.Energy conversion module comprises filter and electricity energy harvester, a medium-high frequency search and rescue signal with designated frequency band was converted to electric energy when filter made energy conversion, and other medium-high frequency signal is filtered, just start working when guaranteeing to have only the search and rescue signal of existence, guaranteed that the target of searching and rescuing is stronger; When not having search and rescue signal, electricity energy harvester does not carry out energy conversion, and no-output voltage makes system have extremely strong explosion-proof ability.Electricity energy harvester comprises impedance matching and filtering circuit and rectification circuit, and impedance matching and filtering circuit make transmission can not produce reflection, and all energy are all absorbed by load, have avoided the energy loss in transmission, can suppress the generation of harmonic wave simultaneously; Rectification circuit is converted to direct current with the wireless energy signal that antenna receives, and produces distress signal thereby drive the distress signal generation device; This electricity energy harvester is applicable to and removes arbitrary medium-high frequency section that radio uses frequency range.Described electricity energy harvester also can adopt existing chip to realize, the best effort frequency range of this chip is 902-928MHz, compares with being operated in other frequency ranges, and its energy conversion efficiency has improved about 10%.Described active module comprises artificial call device and infrared energy sensing device, described artificial call device and infrared energy sensing device trigger the distress call that the distress call generation module produces different frequency, the distress call that produces by artificial call device illustrates that survivor's vital signs is better, the distress call that produces by the infrared energy sensing device illustrates that survivor's vital signs is relatively poor, search and rescue person can reasonable distribution personnel emphasis searches and rescues the relatively poor survivor of vital signs according to different vital sign signals make it not delay golden hour, finally realizes the survivor all being rescued and all keeping vital signs preferably.Described distress call generation module comprises microcontroller and signal generator, microcontroller is used for judging that active module is that artificial call device or infrared sensing device have perceived the survivor, and then trigger signal generator sends out a signal for help, wherein, the priority of artificial call device is higher than infrared sensing device, if promptly the survivor has pressed the button of artificial call device, this signal has been sent to microcontroller, infrared sensing device has also perceived the survivor and has sent a signal to microcontroller simultaneously, then microcontroller is understood the signal that the artificial call device of priority processing sends, and trigger signal generator produces the distress call of certain frequency simultaneously.Described distress signal identification orientator comprises: antenna, recognizer and monitor, described recognizer captures the line frequency analysis of spectrum of going forward side by side in the internal memory by adopting the real-time parallel calculation mode with the medium-high frequency distress signal is seamless, thereby has guaranteed to receive the promptness of medium-high frequency distress signal.
Embodiment 3, applicating example: a kind of self-service passive life distress system, comprise: search and rescue signal transmitter, energy conversion module, active module, distress call generation module and distress signal identification orientator, active module is connected with the distress call generation module with energy conversion module respectively, energy conversion module wireless connections search and rescue signal transmitter, distress call generation module wireless connections distress signal identification orientator.
Wherein, the search and rescue signal transmitter can adopt signal generator chip and antenna to realize, it is 50 ohm antenna that described antenna can adopt matched impedance.Described search and rescue signal transmitter also comprises: power amplifier, can shorten the time that energy conversion module is carried out energy conversion greatly by the medium-high frequency search and rescue signal that utilizes power amplifier amplification search and rescue signal transmitter to send, thereby guarantee the promptness of supply of electrical energy.
Energy conversion module comprises filter and electricity energy harvester, and wherein electricity energy harvester can adopt impedance matching and filtering circuit and rectification circuit to realize, this electricity energy harvester is applicable to and removes arbitrary medium-high frequency section that radio uses frequency range; Described electricity energy harvester also can adopt existing chip to realize, the best effort frequency range of this chip is 902-928MHz, compares with being operated in other frequency ranges, and its energy conversion efficiency has improved about 10%.Described active module is made up of artificial call device and infrared energy sensing device, and wherein artificial call device can adopt button to realize, the infrared energy sensing device can adopt pyroelectric infrared sensor to realize.The distress call generation module can adopt signal generator chip and antenna to realize.Distress signal identification orientator comprises antenna, recognizer and monitor, and wherein, antenna can adopt paster antenna; Monitor can adopt the LCD LCD; Recognizer adopts frequency spectrograph.
The principle of work of above system is:
The medium-high frequency search and rescue signal that the intensity that energy conversion module reception search and rescue signal transmitter sends is adjustable also is converted into electric energy, wherein can adopt manual, wired or wireless mode to adjust the intensity of medium-high frequency signal according to varying environment, promptly can be by manual on panel or interface, adjusting parameter, revising software program by wired or wireless mode, and then adjustment transmit signal strength, wherein said modification software program is meant the signal generator that the design amplitude is adjustable, thereby guarantee that the search and rescue measurement range that the rescue worker carries out is wide, be not subjected to environmental restraint; The filter of energy conversion module filters out the wireless signal of other frequency ranges, and a medium-high frequency search and rescue signal with designated frequency band is converted to electric energy when making energy conversion, just starts working when guaranteeing to have only the search and rescue signal of existence, has guaranteed that the target of searching and rescuing is stronger; When not having search and rescue signal, electricity energy harvester does not carry out energy conversion, and no-output voltage makes system have extremely strong explosion-proof ability.In addition, described search and rescue signal transmitter also comprises: power amplifier, can shorten the time that energy conversion module is carried out energy conversion greatly by the medium-high frequency search and rescue signal that utilizes power amplifier amplification search and rescue signal transmitter to send, thereby guarantee the promptness of supply of electrical energy.Described electricity energy harvester can be realized by impedance matching and filtering circuit and rectification circuit, impedance matching and filtering circuit make transmission can not produce reflection, all energy are all absorbed by load, have avoided the energy loss in transmission, can suppress the generation of harmonic wave simultaneously; Rectification circuit is converted to direct current with the wireless energy signal that antenna receives, and produces distress signal thereby drive the distress signal generation device; This electricity energy harvester is applicable to and removes arbitrary medium-high frequency section that radio uses frequency range.Electricity energy harvester also can adopt existing chip to realize.
The electric energy that energy conversion module produces is supplied pyroelectric infrared sensor, microcontroller and signal generator chip simultaneously, promptly promptly comes the trigger signal generator chip to produce the medium-high frequency distress call by the pyroelectric infrared sensor of active module by the button of active module or by automated manner by manual mode.Concrete, after the Help Point of active module is pressed by the survivor, when microcontroller scans the port of this button, judging button is pressed, then write control word to the signal generator chip, trigger signal generator sends the distress call of certain frequency range, shows that survivor's existence and vital signs are better; When the survivor can't use Help Point, the infrared ray of himself radiation is received the back pyroelectric infrared sensor by pyroelectric infrared sensor and exports corresponding high-low level, after microcontroller is judged and is the signal that sends of pyroelectric infrared sensor, write control word to the signal generator chip, trigger signal generator sends the distress call of another frequency range.Manually or perception survivor's infrared energy come the trigger signal generator chip operation, here the priority of artificial Help Point is higher than pyroelectric infrared sensor, the artificial Help Point of microcontroller priority processing is pressed the incident that trigger the back, can help the rapidly accurately discovery of the safety survivor of still surviving of rescue worker, thereby win valuable time for rescue operation.
The medium-high frequency distress call that distress signal identification orientator sends the signal generator chip carries out seamless seizure and need to determine salvor's azimuth-range.Wherein, distress signal identification orientator comprises: antenna, frequency spectrograph and LCD LCD, comprise a plurality of digital signal processors in the frequency spectrograph, frequency spectrograph calculates by utilizing a plurality of digital signal processors to carry out real-time parallel, with the seamless line frequency analysis of spectrum of going forward side by side in the internal memory that captures of medium-high frequency distress signal, can determine whether it is the distress signal of specifying frequency range, if the distress signal of designated frequency band, then these a plurality of digital signal processors adopt distance and bearing that need to determine the salvor based on the distance-finding method and the localization method of energy, utilize the LCD LCD that this result is shown at last.Wherein adopt the real-time parallel calculation mode with the seamless line frequency analysis of spectrum of going forward side by side in the internal memory that captures of medium-high frequency distress signal, guaranteed to receive the promptness of medium-high frequency distress signal.
In the above method, the described electricity energy harvester of realizing by impedance matching and filtering circuit and rectification circuit (as shown in Figure 3), it is that galvanic principle of work is with the energy conversion of search and rescue signal: two diodes are realized the rectification of alternating current, when the voltage that produces because of electromagnetic induction when the antenna receiving trap is negative half period, D
1
Conducting, D
2
End C
1
Charging; When voltage is positive half cycle, C
1
Last voltage and this voltage addition make D
2
Conducting, D
1
End C
2
Charging, final output dc voltage.
Claims (10)
1. self-service passive life calling method is characterized in that, may further comprise the steps:
S1, the medium-high frequency search and rescue signal that receiving intensity is adjustable also is converted into electric energy;
S2 triggers the distress call generation module by manual or automated manner and produces the medium-high frequency distress call;
S3 carries out seamless seizure and determine to need salvor's azimuth-range this medium-high frequency distress call.
2. self-service passive life calling method according to claim 1 is characterized in that, the energy conversion among the described step S1 realizes by filter and electricity energy harvester.
3. self-service passive life calling method according to claim 1, it is characterized in that, among the described step S2 is to adopt artificial call device to realize manually, by automated manner is to adopt the infrared energy sensing device to realize, and the distress call of described artificial call device and infrared energy sensing device triggering distress call generation module generation different frequency.
4. self-service passive life calling method according to claim 1 is characterized in that the distress call generation module described in the step S2 comprises microcontroller and signal generator.
5. self-service passive life calling method according to claim 1 is characterized in that, carrying out seamless seizure and need determining salvor's azimuth-range to realize by antenna, recognizer and monitor described in the step S3.
6. realize the self-service passive life distress system of the described method of claim 1～5, it is characterized in that, comprise: search and rescue signal transmitter, energy conversion module, active module, distress call generation module and distress signal identification orientator, active module is connected with the distress call generation module with energy conversion module respectively, energy conversion module wireless connections search and rescue signal transmitter, distress call generation module wireless connections distress signal identification orientator.
7. self-service passive life distress system according to claim 6 is characterized in that described energy conversion module comprises filter and electricity energy harvester.
8. self-service passive life distress system according to claim 6 is characterized in that described active module comprises artificial call device and infrared energy sensing device.
9. self-service passive life distress system according to claim 6 is characterized in that described distress call generation module comprises microcontroller and signal generator.
10. self-service passive life distress system according to claim 6 is characterized in that, described distress signal identification orientator comprises: antenna, recognizer and monitor.
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| WO2014036846A1 (en) * | 2012-09-07 | 2014-03-13 | 江苏东仁网络科技有限公司 | User equipment, access equipment and method of using user equipment |
| CN103169449A (en) * | 2013-03-01 | 2013-06-26 | 中国科学院深圳先进技术研究院 | Method and device for detecting respiration signals |
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Application publication date: 20111228 |