CN102855505A - Life detecting system based on RFID (Radio Frequency Identification) technology - Google Patents
Life detecting system based on RFID (Radio Frequency Identification) technology Download PDFInfo
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- CN102855505A CN102855505A CN2012102572010A CN201210257201A CN102855505A CN 102855505 A CN102855505 A CN 102855505A CN 2012102572010 A CN2012102572010 A CN 2012102572010A CN 201210257201 A CN201210257201 A CN 201210257201A CN 102855505 A CN102855505 A CN 102855505A
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Abstract
The invention relates to a life detecting system based on an RFID (Radio Frequency Identification) technology. A rescue signal is transmitted by one key of a cell phone, and rescue personnel can detect the signal and indirectly find buried people to rescue the buried people. The system comprises a carrying platform, a signal transmitting unit and a signal receiving unit, wherein the carrying platform is used for providing a power supply for RFID tags, and the active RFID tags are integrated into the cell phone which is adopted by the life detecting system; the signal transmitting unit is formed by integrating the RFID tags into the cell phone, and when a hazard happens, people only need to press a rescue key, and then the system can transmit a radio-frequency signal and adopts an ultra-high-frequency wave band as a transmitting signal; and the signal receiving unit is composed of a RFID reader, is held by the rescue personnel, is used for searching in an earthquake area and can obtain corresponding radio-frequency signals when entering a valid receiving area so as to obtain information such as the position of people in the hazard.
Description
Technical field
The invention belongs to the radiofrequency signal processing technology field, a kind of life-detection system based on the RFID technology.
Background technology
In China, the great earthquake disaster generation that injures people's life safety is more frequent, for example, and Wenchuan earthquake, Yushu earthquake etc.Disaster is sent out
When giving birth to, people's life seem be highly brittle a little less than, search and rescue in time injured being pressed and bury the key that personnel become earthquake rescue.Thus, developed diversified human life detection, such as infrared acquisition, breathing detection and ultra broadband detection etc.But because the various signals of human body are very faint, especially in injured situation, the effect of surveying according to the signal characteristic of human body itself is not very desirable.Increasingly mature along with expanding economy and the communication technology, mobile phone has become the communication facilities that most people carry, therefore, if in the earthquake disaster, being buried personnel by pressure can utilize the mobile phone of carrying to send rescue signal, rescue team will indirectly search and rescue wrecked personnel by obtaining this signal.But after the earthquake, mobile phone does not generally all have signal, but its power supply still can use.Given this, this paper proposes RFID (Radio Frequency Identification, radio frequency identification) technology is applied in the life detection, and it is combined with mobile phone, realizes the life-detection system based on the RFID technology.When disaster occured, people can utilize mobile phone to press key rescue key and send emergency RF signal, and this radiofrequency signal can be searched for and locate in rescue team easily, thereby realize searching and rescuing the purpose of disaster affected people.The rescue signal that the native system utilization sends, they are more a lot of by force than the signal of human body own, and can satisfy the distant requirement of recognition, can reach rice up to a hundred.Also conveniently be integrated in the mobile phone simultaneously, perhaps also can be integrated in other equipment that power supply is arranged, such as wrist-watch etc.Therefore can satisfy the requirement of life detection.
Summary of the invention
The purpose of this invention is to provide a kind of life-detection system based on the RFID technology.
The technical scheme that realizes the object of the invention is: a kind of life-detection system based on the RFID technology, can utilize this system to send rescue signal with mobile phone one-key, the rescue worker can detect this signal, succours thereby indirectly search buried personnel, and this system comprises:
Carrying platform, for the RFID label provides power supply, what native system adopted is mobile phone, and the active tag of RFID is integrated in the middle of the mobile phone;
Signal transmitting unit is integrated in the mobile phone by the RFID label and consists of, and when disaster occured, people only need press the rescue key, and system will send radiofrequency signal, and native system adopts shf band as transmitting;
Signal receiving unit is made of rfid interrogator, and is hand-held by the rescue personnel, searches in the earthquake devastated, enter the effective coverage that can receive when signal receiving unit after, will obtain corresponding radiofrequency signal, and then obtain the information such as position of disaster affected people.
As a further improvement on the present invention, what described signal transmitting unit adopted is active RFID tag, can make the recognition distance of system farther, thereby can increase the hunting zone, improves rescue efficiency.
As a further improvement on the present invention, what native system was selected is the ultrahigh frequency RFID system, and its frequency is 433MHz, can distinguish apart from maximum to reach 150m.
As a further improvement on the present invention, the antenna of native system adopts many group dipole-type antennas, realizes the covering of omnidirectional, can more effectively search for and identify corresponding signal.
As a further improvement on the present invention, native system is because the needs of distance adopt the electromagnetic backscatter coupling.
The present invention sends rescue signal by mobile phone one-key, the rescue worker can detect this signal, succour thereby indirectly search buried personnel, realized effectively in the earthquake ruins, to detect by pressure and buried the signal that personnel send, thereby implement rescue.
Beneficial effect of the present invention is:
(1) life-detection system of using now all is the direct detection human body, and effect is limited, surveys such as infrared acquisition, breathing etc.The detectable probability of native system is higher;
The platform that (2) can carry is very flexible, and is very convenient, so long as the most normal electronic product that carries of people, as mobile phone, wrist-watch etc. can for
The equipment of electricity just can;
(3) native system is centered by the RFID technology, and its carrying platform software and hardware expandability is good, and can with the technology such as GPS in conjunction with utilization.
Description of drawings
Fig. 1 is the embodiment of the invention 1 RFID life-detection system structural drawing;
Fig. 2 is the embodiment of the invention 1 signal transmitting unit frame diagram;
Fig. 3 is the embodiment of the invention 1 signal receiving unit frame diagram;
Fig. 4 is the workflow diagram of the embodiment of the invention 1 life-detection system.
Embodiment
Be described further below in conjunction with drawings and Examples.
Fig. 1 is the embodiment of the invention 1 RFID life-detection system structural drawing, and native system mainly contains the three functions unit and forms: carrying platform (mobile phone), signal transmitting unit and signal receiving unit.The major function of carrying platform is for the RFID label provides power supply, therefore, can select people's the most normal any electronic product that carries, and such as mobile phone, wrist-watch, PDA etc., when making things convenient for disaster to occur, people send rescue signal nearby.What native system adopted is mobile phone, and the active tag of RFID is integrated in the middle of the mobile phone.Signal transmitting unit mainly is integrated in the mobile phone by the RFID label and consists of, and when disaster occured, people only need press the rescue key, and system will send radiofrequency signal.And the frequency range that rfid system can be used is a lot, and native system adopts shf band as transmitting, not only can the penetrate thing, and also also very strong around the barrier ability, thus signal can be recognized by signal receiving unit by the earthquake ruins.Signal receiving unit mainly is made of the RFID read write line, and is hand-held by the rescue personnel, searches in the earthquake devastated.After entering the effective coverage that can receive when signal receiving unit, will obtain corresponding radiofrequency signal, and then obtain the information such as position of disaster affected people, thereby further how analysis is succoured disaster affected people and reported to the condition of a disaster aggregation system etc.
Fig. 2 is the embodiment of the invention 1 signal transmitting unit frame diagram, and what signal transmitting unit adopted is active RFID tag, can make the recognition distance of system farther, thereby can increase the hunting zone, improves rescue efficiency.It mainly is comprised of following components: micro controller module, wireless communication module and antenna etc.For ultrahigh frequency electronic tag, radio frequency interface partly plays vital effect.The wireless transmission of Lontactless electronic tag energy and data is all finished by this part.The functional block diagram of signal transmitting unit as shown in Figure 4.
Fig. 3 is the embodiment of the invention 1 signal receiving unit frame diagram, mainly the comprising of signal receiving unit: microprocessor module, radio-frequency (RF) receiving and transmission module, power amplifier module, and PERCOM peripheral communication control and memory module etc.
Fig. 4 is the workflow diagram of the embodiment of the invention 1 life-detection system, and the implementation step is as follows:
(1) when disaster occurs, people only need press the rescue key, and system will send radiofrequency signal;
(2) signal receiving unit mainly is made of the RFID read write line, hand-held by the rescue personnel, in the earthquake devastated, search for, enter the effective coverage that can receive when signal receiving unit after, will obtain corresponding radiofrequency signal, and then obtain the information such as position of disaster affected people;
(3) further how analysis is succoured disaster affected people and is reported to the condition of a disaster aggregation system etc.
Claims (8)
1. the life-detection system based on the RFID technology is characterized in that, this system comprises:
Carrying platform, for the RFID label provides power supply, what native system adopted is mobile phone, and the active tag of RFID is integrated in the middle of the mobile phone;
Signal transmitting unit is integrated in the mobile phone by the RFID label and consists of, and when disaster occured, people only need press the rescue key, and system will send radiofrequency signal, and native system adopts shf band as transmitting;
Signal receiving unit is made of rfid interrogator, and is hand-held by the rescue personnel, searches in the earthquake devastated, enter the effective coverage that can receive when signal receiving unit after, will obtain corresponding radiofrequency signal, and then obtain the information such as position of disaster affected people.
2. a kind of life-detection system based on the RFID technology according to claim 1 is characterized in that, what signal transmitting unit adopted is active RFID tag, can make the recognition distance of system farther, thereby can increase the hunting zone, improves rescue efficiency.
3. a kind of life-detection system based on the RFID technology according to claim 1 and 2 is characterized in that signal transmitting unit is comprised of following components: micro controller module, wireless communication module and antenna etc.
4. a kind of life-detection system based on the RFID technology according to claim 1 and 2 is characterized in that, mainly the comprising of signal receiving unit: microprocessor module, radio-frequency (RF) receiving and transmission module, power amplifier module, and PERCOM peripheral communication control and memory module.
5. a kind of life-detection system based on the RFID technology according to claim 1 and 2 is characterized in that, what native system was selected is the ultrahigh frequency RFID system, and its frequency is 433MHz, can distinguish apart from maximum to reach 150m.
6. a kind of life-detection system based on the RFID technology according to claim 1 and 2 is characterized in that, communication protocol, and what native system adopted is the ISO18000-7 standard.
7. a kind of life-detection system based on the RFID technology according to claim 1 is characterized in that, native system is because the needs of distance adopt the electromagnetic backscatter coupling.
8. a kind of life-detection system based on the RFID technology according to claim 1 is characterized in that, the antenna of native system adopts many group dipole-type antennas, realizes the covering of omnidirectional, more effectively searches for and identify corresponding signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012102572010A CN102855505A (en) | 2012-07-24 | 2012-07-24 | Life detecting system based on RFID (Radio Frequency Identification) technology |
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| CN2012102572010A CN102855505A (en) | 2012-07-24 | 2012-07-24 | Life detecting system based on RFID (Radio Frequency Identification) technology |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104394505A (en) * | 2014-10-31 | 2015-03-04 | 小米科技有限责任公司 | Rescue method and device |
| CN104680099A (en) * | 2013-12-02 | 2015-06-03 | 北京千松科技发展有限公司 | Post-earthquake search and rescue method and a post-earthquake search and rescue device based on RFID (Radio Frequency Identification Devices) identification technology |
| CN105957315A (en) * | 2016-05-31 | 2016-09-21 | 捷开通讯科技(上海)有限公司 | Mobile terminal danger positioning system and method |
| CN108270927A (en) * | 2018-03-22 | 2018-07-10 | 山东交通学院 | A kind of life relief instrument and rescue skills based on mobile phone |
| CN109831739A (en) * | 2019-03-19 | 2019-05-31 | 王业坤 | A kind of passive SOS calling deliverance apparatus, system and method based on less radio-frequency |
| CN111521970A (en) * | 2020-04-22 | 2020-08-11 | 上海中交海德交通科技股份有限公司 | Electronic tag for help seeking of tunnel personnel and help seeking device and system applying same |
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| GB2427692A (en) * | 2005-06-27 | 2007-01-03 | Intelligent Sensors Plc | Non-contact life signs detector |
| CN201147304Y (en) * | 2007-12-18 | 2008-11-12 | 毛允德 | Life testing and locating terminal |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104680099A (en) * | 2013-12-02 | 2015-06-03 | 北京千松科技发展有限公司 | Post-earthquake search and rescue method and a post-earthquake search and rescue device based on RFID (Radio Frequency Identification Devices) identification technology |
| CN104394505A (en) * | 2014-10-31 | 2015-03-04 | 小米科技有限责任公司 | Rescue method and device |
| CN105957315A (en) * | 2016-05-31 | 2016-09-21 | 捷开通讯科技(上海)有限公司 | Mobile terminal danger positioning system and method |
| CN108270927A (en) * | 2018-03-22 | 2018-07-10 | 山东交通学院 | A kind of life relief instrument and rescue skills based on mobile phone |
| CN108270927B (en) * | 2018-03-22 | 2023-09-05 | 山东交通学院 | Life saving instrument and saving method based on mobile phone |
| CN109831739A (en) * | 2019-03-19 | 2019-05-31 | 王业坤 | A kind of passive SOS calling deliverance apparatus, system and method based on less radio-frequency |
| CN111521970A (en) * | 2020-04-22 | 2020-08-11 | 上海中交海德交通科技股份有限公司 | Electronic tag for help seeking of tunnel personnel and help seeking device and system applying same |
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