CN104616425A - Mobile warning location label based on Wi-Fi - Google Patents
Mobile warning location label based on Wi-Fi Download PDFInfo
- Publication number
- CN104616425A CN104616425A CN201510074051.3A CN201510074051A CN104616425A CN 104616425 A CN104616425 A CN 104616425A CN 201510074051 A CN201510074051 A CN 201510074051A CN 104616425 A CN104616425 A CN 104616425A
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- CN
- China
- Prior art keywords
- location
- main control
- control mcu
- module
- warning
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
Abstract
The invention relates to a mobile warning location label based on Wi-Fi. The label comprises a location server, a Wi-Fi module connected with the location server and used for location server communication, a main control MCU connected with the Wi-Fi module to achieve strategy judgment and a lithium battery used for controlling power supply of the Wi-Fi module and the main control MCU. The main control MCU is connected with a control switch a control switch used for triggering starting and closing of a warning location function of the main control MCU. The mobile warning location label has the advantage that wireless signal data relevant to location are transmitted to the location server in the period of the main control MCU capable of being set, and the control switch is utilized to trigger the warning location function of the main control MCU. After the location server receives data from the Wi-Fi module, a wireless location technology is used for estimation, location can be conducted in a wide range, the location accuracy is moderate, the existing Wi-Fi device on the scene is utilized, and a user does not need to arrange a special network. Therefore, the label is low in cost, the warning function can be started quickly by means of the control switch, and the fact that warning is conducted mistakenly can be avoided.
Description
Technical field
The present invention relates to a kind of mobile alarm positioning label based on Wi-Fi.
Background technology
Traditional positioning label can be divided into two large classes, and a class is passive, the beacon of such as navigation, and the local derivation graph in market and toilet guide mark, the guide map on city bus station; One class is initiatively, the GPS module of such as vehicle mounted guidance, the shoppers' guide in market, cell phone map.Along with the development of science and technology, the technology that current active positioning label adopts mainly contains based on hyperacoustic location technology, based on infrared location technology, based on the location technology of ultra broadband, with based on the location technology of radio-frequency (RF) identification.Ultrasound wave location technology precision is very high, but orientation range is limited; Infrared location technology precision is poor and system is more complicated; Ultra wideband location techniques is an emerging technology, and cost is higher; Radio-frequency (RF) identification positioning precision is moderate, and it is convenient to realize, and therefore uses the most extensive.
Radio-frequency (RF) identification location technology conventional at present can be divided into again: passive RFID technology and active RFID technology.The features such as active RFID possesses low emissive power, communication distance is long, transmitted data amount large, and the high and compatibility of reliability is good, compared with passive RFID, advantage technically clearly.Be widely applied in the application such as highway toll, port cargo management.Active RFID technology mainly contains Bluetooth technology, ZigBee technology, Wi-Fi technology.Bluetooth positioning precision is high, is limited in scope; Zigbee location is low in energy consumption, but agreement privatization, need independent networking; Wi-Fi orientation distance is far away, and use extensively, system cost is low, but power consumption is relatively high.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of mobile alarm positioning label based on Wi-Fi, solves the defect that existing radio-frequency (RF) identification location technology power consumption is high.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: a kind of mobile alarm positioning label based on Wi-Fi, comprise location-server, main control MCU that the Wi-Fi module communicated for location-server be connected with location-server, the implementation strategy that to be connected with Wi-Fi module judge, control the lithium battery that Wi-Fi module is powered and main control MCU is powered, described main control MCU is connected with one and starts and the gauge tap of closing for the warning positioning function triggered in master control MC.
Preferably, described gauge tap is keyswitch, and described keyswitch is touch-switch or self-locking keyswitch; Or shown gauge tap is sensor, described sensor is one or two or at least two in volume sensor, acceleration transducer, pneumatic sensor, smoke transducer, dust sensor;
When gauge tap is touch-switch, main control MCU can realize starting and closing warning positioning function by following steps: 1) the pressing and unclamp two states, corresponding two kinds of logic states of keyswitch; 2) two kinds of logic states can be decoded into the key command of specifying by main control MCU; 3) when main control MCU detects that action pressed by keyswitch, judge to produce one-touch action, waiting n duplicate detection second, as keyswitch be still down state time, button effectively, as keyswitch be releasing orientation time, button is invalid; When MCU detects that keyswitch unclamps action, judge to produce and once unclamp action, wait for m duplicate detection second, as keyswitch state be still releasing orientation time, button effectively, as keyswitch be down state time, button is invalid.
When gauge tap is self-locking keyswitch, main control MCU, when level fluctuation being detected, time delay c second, then detects level state, thus judges that user starts and report to the police or remove actuation of an alarm, effectively can reduce the probability of maloperation.
When gauge tap be volume sensor and acceleration transducer time, main control MCU can realize starting and closing warning positioning function by following steps: when main control MCU detects that built-in acceleration sensor or volume sensor occur that level changes, judge generation trigger action, when detecting that within the time given thereafter volume sensor or acceleration transducer output level value change, then actuation of an alarm is effective, main control MCU starts warning positioning function, can adapt within the hospital, when there is conflict between doctors and patients, usually with quarrel and the pullling of action, thus triggered by volume sensor and acceleration transducer, according to different application scenarios, sensor can be selected, Practical Performance is good.
Preferably, described main control MCU realizes location by following steps:
A) main control MCU sends warning positioning function, is collected the RSSI value of Wi-Fi AP in environment by Wi-Fi module;
B) main control MCU is by the Wi-Fi network of access, is sent in location-server by the RSSI value collected and the MAC Address of main control MCU, the warning message of main control MCU;
C) location-server adopts Wi-Fi localization method to carry out position estimation to label.
By above-mentioned steps, positioning accurate accuracy can be improved, simple to operate.
Preferably, step c) in Wi-Fi localization method adopt triangle polyester fibre method or fingerprint positioning method, can realize locating effect and dynamically following the tracks of accurately, also can realize reporting to the police in local location, Practical Performance is good.
Preferably, step a) middle Wi-Fi module collects the RSSI value of Wi-Fi AP in environment by drive sweep mode, described Wi-Fi AP is the common gateway that in prior art, Wi-Fi can connect, and can reduce power consumption.
In sum, advantage of the present invention: the wireless signal data relevant to location are sent to location-server by the cycle that main control MCU can set, and trigger the warning positioning function in main control MCU by gauge tap, after location-server receives the data from Wi-Fi module, estimated by wireless location technology, can position in the scope of a relative wide area, positioning precision is moderate, the existing Wi-Fi equipment of use scenes, do not need to arrange special network, therefore with low cost, and be applicable to remote alarms and response, by the setting of gauge tap, more promptly can start warning function, be not easy to produce false alarm.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the structured flowchart of a kind of mobile alarm positioning label based on Wi-Fi of the present invention.
Embodiment
Embodiment one:
As shown in Figure 1: a kind of mobile alarm positioning label based on Wi-Fi, comprise location-server 1, the Wi-Fi module 2 communicated for location-server 1 be connected with location-server 1, the main control MCU 3 that the implementation strategy that is connected with Wi-Fi module 2 judges, control the lithium battery 4 that Wi-Fi module 2 is powered and main control MCU 3 is powered, described Wi-Fi module 2 is the Wi-Fi module 2 of quiescent current, described main control MCU 3 is the MCU of one piece of low energy consumption, and main control MCU 3 configures external low frequency crystal oscillator, effectively reduce the object of power consumption, operational mode is: main control MCU 3 is in degree of depth holding state, send location-server 1 to locate every R minute open position information collection function, then holding state is proceeded to immediately, when open position information collection function after trigger alarm function, send positional information second every a to position to location-server 1, described main control MCU 3 is connected with one to start and the gauge tap 5 of closing for the warning positioning function triggered in master control MC, described gauge tap 5 is keyswitch, described keyswitch is touch-switch or self-locking keyswitch, when gauge tap 5 is touch-switch, main control MCU 3 can realize starting and closing warning positioning function by following steps: 1) the pressing and unclamp two states of keyswitch, corresponding two kinds of logic states, 2) two kinds of logic states can be decoded into the key command of specifying by main control MCU 3, 3) when main control MCU 3 detects that action pressed by keyswitch, judge to produce one-touch action, waiting n duplicate detection second, as keyswitch be still down state time, button effectively, as keyswitch be releasing orientation time, button is invalid, when MCU3 detects that keyswitch unclamps action, judge to produce and once unclamp action, wait for m duplicate detection second, as keyswitch state be still releasing orientation time, button is effective, as keyswitch be down state time, button is invalid, when gauge tap 5 is for self-locking keyswitch, main control MCU 3, when level fluctuation being detected, time delay c second, then detects level state, thus judge that user starts warning or removes actuation of an alarm, effectively can reduce the probability of maloperation.
Described main control MCU 3 realizes location by following steps:
A) main control MCU 3 sends warning positioning function, is collected the RSSI value of Wi-Fi AP in environment by Wi-Fi module 2;
B) main control MCU 3 is by the Wi-Fi network of access, is sent in location-server 1 by the RSSI value collected and the MAC Address of main control MCU 3, the warning message of main control MCU 3;
C) location-server 1 adopts Wi-Fi localization method to carry out position estimation to label.
By above-mentioned steps, positioning accurate accuracy can be improved, simple to operate.
Step c) in Wi-Fi localization method adopt triangle polyester fibre method or fingerprint positioning method, locating effect and dynamically following the tracks of accurately can be realized, also can realize reporting to the police in local location, Practical Performance is good, step a) middle Wi-Fi module 2 collects the RSSI value of Wi-Fi AP in environment by drive sweep mode, drive sweep mode can adopt following three kinds of scan methods, and 1) all totally 13 channels of scanning Wi-Fi, all for periphery AP information all can be collected; 2) nonoverlapping channel is scanned; 3) the Wi-Fi AP in environment can be set to unified channel under the prerequisite not producing conflict, described Wi-Fi AP is the common gateway that in prior art, Wi-Fi can connect, and can reduce power consumption.
Embodiment two:
A kind of mobile alarm positioning label based on Wi-Fi as described in embodiment one, the present embodiment has following difference: described gauge tap 5 is sensor, described sensor is volume sensor, acceleration transducer, pneumatic sensor, smoke transducer, one or two or at least two in dust sensor, when gauge tap 5 be volume sensor and acceleration transducer time, main control MCU 3 can realize starting and closing warning positioning function by following steps: when main control MCU 3 detects that built-in acceleration sensor or volume sensor occur that level changes, judge generation trigger action, when detecting that within the time given thereafter volume sensor or acceleration transducer output level value change, then actuation of an alarm is effective, main control MCU 3 starts warning positioning function, can adapt within the hospital, when there is conflict between doctors and patients, usually with quarrel and the pullling of action, thus triggered by volume sensor and acceleration transducer, according to different application scenarios, sensor can be selected, Practical Performance is good.
The wireless signal data relevant to location are sent to location-server by the cycle that main control MCU can set, and trigger the warning positioning function in main control MCU by gauge tap, after location-server receives the data from Wi-Fi module, estimated by wireless location technology, can position in the scope of a relative wide area, positioning precision is moderate, the existing Wi-Fi equipment of use scenes, do not need to arrange special network, therefore with low cost, and be applicable to remote alarms and response, by the setting of gauge tap, more promptly can start warning function, be not easy to produce false alarm.
Claims (5)
1. the mobile alarm positioning label based on Wi-Fi, it is characterized in that: comprise location-server (1), main control MCU (3) that the Wi-Fi module (2) communicated for location-server (1) be connected with location-server (1), the implementation strategy that to be connected with Wi-Fi module (2) judge, control the lithium battery (4) that Wi-Fi module (2) is powered and main control MCU (3) is powered, described main control MCU (3) is connected with one and starts and the gauge tap (5) of closing for the warning positioning function triggered in master control MC.
2. a kind of mobile alarm positioning label based on Wi-Fi according to claim 1, is characterized in that: described gauge tap (5) is keyswitch, and described keyswitch is touch-switch or self-locking keyswitch; Or described gauge tap (5) is sensor, described sensor is one or two or at least two in volume sensor, acceleration transducer, pneumatic sensor, smoke transducer, dust sensor.
3. a kind of mobile alarm positioning label based on Wi-Fi according to claim 1, is characterized in that: described main control MCU (3) realizes location by following steps:
A) main control MCU (3) sends warning positioning function, is collected the RSSI value of Wi-FiAP in environment by Wi-Fi module (2);
B) main control MCU (3) is by the Wi-Fi network of access, is sent in location-server (1) by the RSSI value collected and the MAC Address of main control MCU (3), the warning message of main control MCU (3);
C) location-server (1) adopts Wi-Fi localization method to carry out position estimation to label.
4. a kind of mobile alarm positioning label based on Wi-Fi according to claim 3, is characterized in that: step c) in Wi-Fi localization method adopt triangle polyester fibre method or fingerprint positioning method.
5. a kind of mobile alarm positioning label based on Wi-Fi according to claim 3, is characterized in that: step a) middle Wi-Fi module (2) collects the RSSI value of Wi-Fi AP in environment by drive sweep mode.
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| CN101911138A (en) * | 2008-01-15 | 2010-12-08 | 日升研发控股有限责任公司 | Real time location tracking system of store shoppers using a communication multi-network |
| CN102740455A (en) * | 2011-04-04 | 2012-10-17 | Ls产电株式会社 | Rtls tag device and real time location system |
| CN103675879A (en) * | 2012-09-21 | 2014-03-26 | 东莞市泰斗微电子科技有限公司 | Positioning monitoring system and method |
-
2015
- 2015-02-12 CN CN201510074051.3A patent/CN104616425A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100171611A1 (en) * | 2006-04-28 | 2010-07-08 | Tia Gao | Sensor-Based Adaptive Methods for Wearable Devices |
| CN101911138A (en) * | 2008-01-15 | 2010-12-08 | 日升研发控股有限责任公司 | Real time location tracking system of store shoppers using a communication multi-network |
| CN102740455A (en) * | 2011-04-04 | 2012-10-17 | Ls产电株式会社 | Rtls tag device and real time location system |
| CN103675879A (en) * | 2012-09-21 | 2014-03-26 | 东莞市泰斗微电子科技有限公司 | Positioning monitoring system and method |
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Application publication date: 20150513 |
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