CN105303766A - Medical call positioning system based on wireless sensing network - Google Patents
Medical call positioning system based on wireless sensing network Download PDFInfo
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- CN105303766A CN105303766A CN201510002897.6A CN201510002897A CN105303766A CN 105303766 A CN105303766 A CN 105303766A CN 201510002897 A CN201510002897 A CN 201510002897A CN 105303766 A CN105303766 A CN 105303766A
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Abstract
The invention relates to a medical call positioning system based on a wireless sensing network. The medical call positioning system comprises a hand ring which is used for being worn, and an upper computer which receives a wireless signal of the hand ring. The hand ring comprises a three-dimensional acceleration sensor, a pulse detection sensor, a body temperature detection sensor, a multipath analog switch, a regulation circuit module, an AD module, a processor module, a wireless positioning module and a wireless communication module which is used for transmitting the wireless signal of the hand ring. The analog quantity output ends of the three-dimensional acceleration sensor, the pulse detection sensor and the body temperature detection sensor are respectively connected with all the input ends of the multipath analog switch. The output ends of the multipath analog switch are connected with the processor module via the regulation circuit module and the AD module. The wireless positioning module and the wireless communication module are connected with the processor module via corresponding serial ports respectively.
Description
Technical field
The present invention relates to a kind of based on wireless sense network medical call positioning system.
Background technology
At present, China enters aging, and become increasingly conspicuous at society to the love problem of the elderly, the phenomenon of Empty nest elderly is on the rise; Especially ill old man is in alone, cannot well be looked after.
Therefore, need design a kind of based on wireless sense network medical call positioning system, to realize the daily daily life can monitoring old man, when old man runs into unexpected, send warning, positioning signal in time, enable old man obtain timely treatment.
Summary of the invention
The object of this invention is to provide a kind of based on wireless sense network medical call positioning system, to achieve to wearer when running into emergency case, positioning, being convenient to medical rescue.
In order to solve the problems of the technologies described above, the invention provides a kind of based on wireless sense network medical call positioning system, comprising: for the bracelet worn, and accept the host computer of bracelet wireless signal; Wherein said bracelet comprises: three dimension acceleration sensor, pulse detection sensor, temperature check sensor, multiway analog switch, Circuit tuning module, A/D module, processor module, wireless locating module and the wireless communication module for sending bracelet wireless signal; Described three dimension acceleration sensor, pulse detection sensor are connected with each input end of multiway analog switch respectively with the analog output end of temperature check sensor, and the output terminal of this multiway analog switch is connected with processor module by Circuit tuning module, A/D module; And wireless locating module is connected with processor module respectively by corresponding serial ports with wireless communication module.
Preferably, in order to realize multi-data processing, described Circuit tuning module comprises: first, second channel unit, channel selection unit, described channel selection unit comprises: comparer, the in-phase end of this comparer is as the input end of Circuit tuning module, end of oppisite phase accesses a reference voltage, the output terminal of this comparer respectively with NPN triode, the base stage of PNP triode is connected, the collector of described NPN triode, the emitter of PNP triode is connected with power end respectively, the emitter of described NPN triode, the collector of PNP triode respectively with first passage unit, the feeder ear of second channel unit is connected, the in-phase end of described comparer is also connected with the input end of first, second channel unit respectively, and first passage unit comprises: for carrying out the bleeder circuit of step-down to input signal, the output terminal of bleeder circuit is connected with the input end of the first voltage follower, second channel unit comprises: the second voltage follower, and the output terminal of first, second voltage follower described is connected as the signal output part of Circuit tuning module.
Preferably, in order to send audio alert information when respective conditions appears in wearer, described bracelet also comprises: the audible alarm module be connected with processor module, and this audible alarm module comprises: speech chip, and the loudspeaker driven by this speech chip.
Preferably, in order to record the travel track of wearer, described bracelet also comprises: the memory module be connected with described processor, and this memory module is suitable for the travel track storing wearer.
Preferably, in order to monitoring cell voltage, to prevent low-voltage power supply phenomenon, described bracelet also comprises: power management module, this power management module comprises: battery, the power management chip be connected with this battery, described processor module is connected the voltage status of inquiring about battery with this power management chip.
Preferably, in order to make full use of sun power, avoid frequently changing battery, power management module also comprises: the surface coverage of described bracelet has solar battery sheet, described battery adopts accumulator, and the charging-discharging controller that described solar battery sheet and is suitable for controlling described accumulator cell charging and discharging is connected, the output terminal of this charging-discharging controller is connected with the power input of described power management chip.
Beneficial effect of the present invention: the present invention is achieved judged whether wearer falls by three dimension acceleration sensor, pulse detection sensor, temperature check sensor, and heart rate and temperature check, realize the physiology sign of multi-faceted detection wearer; When wearer meets accident, can position fast, to carry out medical aid.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 shows the theory diagram of described bracelet;
Fig. 2 shows the theory diagram of Circuit tuning module;
Fig. 3 shows the theory diagram of channel selection unit;
Fig. 4 shows the theory diagram of the another kind of Alternate embodiments of described power management module.
In figure: comparer U1A, NPN triode T1, PNP triode T2, the first integrated operational amplifier U1A, the second integrated operational amplifier U1B, the 3rd integrated operational amplifier U1C.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
Fig. 1 shows the theory diagram of described bracelet.
As shown in Figure 1, one of the present invention, based on wireless sense network medical call positioning system, comprising: for the bracelet worn, and accepts the host computer of bracelet wireless signal; Wherein said bracelet comprises: three dimension acceleration sensor, pulse detection sensor, temperature check sensor, multiway analog switch, Circuit tuning module, A/D module, processor module, wireless locating module and the wireless communication module for sending bracelet wireless signal; Described three dimension acceleration sensor, pulse detection sensor are connected with each input end of multiway analog switch respectively with the analog output end of temperature check sensor, and the output terminal of this multiway analog switch is connected with processor module by Circuit tuning module, A/D module; And wireless locating module is connected with processor module respectively by corresponding serial ports with wireless communication module.
Wherein, described processor module can adopt flush bonding processor, such as but not limited to S3C2440 flush bonding processor.
Concrete obtain the pose discrimination of wearer and the related algorithm of fall detection at paper document about three dimension acceleration sensor: the Zhao Xiangxin of Zhejiang University has carried out detailed discussion in the Master's thesis " fall monitoring based on three dimension acceleration sensor is studied " to deliver for 2008, repeats no more here.
Concrete, the data that processor module process is collected by three dimension acceleration sensor, obtain the characteristic parameter of body posture change, use and fall down the state that detection algorithm judges patient.As patient falls, send alerting signal by wireless communication module to host computer.
Described wireless communication module can adopt ZigBee module, and gsm module can also be adopted to send alarming short message to presetting mobile phone.Wireless locating module can adopt GPS to locate or GPRS location.
Optionally, utilize the timer in processor S3C2440 to set the corresponding time, judge the state that wearer is current, if wearer is motionless for a long time, then also send corresponding warning information.
Fig. 2 shows the theory diagram of Circuit tuning module.
Fig. 3 shows the theory diagram of channel selection unit.
As shown in Figures 2 and 3, as a kind of optional embodiment of Circuit tuning, described Circuit tuning module comprises: first, second channel unit, channel selection unit, described channel selection unit comprises: comparer U1A, the in-phase end of this comparer U1A is as the input end of Circuit tuning module, end of oppisite phase accesses a reference voltage, the output terminal of this comparer respectively with NPN triode T1, the base stage of PNP triode T2 is connected, the collector of described NPN triode T1, the emitter of PNP triode T2 is connected with power end respectively, the emitter of described NPN triode T1, the collector of PNP triode T2 respectively with first passage unit, the feeder ear of second channel unit is connected, the in-phase end of described comparer U1A is also connected with the input end of first, second channel unit respectively, and first passage unit comprises: for carrying out the bleeder circuit of step-down to input signal, the output terminal of bleeder circuit is connected with the input end of the first voltage follower, second channel unit comprises: the second voltage follower, and the output terminal of first, second voltage follower described is connected as the signal output part of Circuit tuning module.
Wherein, described bleeder circuit is in series by resistance R2 and resistance R3, one end access input signal ui of resistance R2, the other end of resistance R2 is connected with one end of resistance R3, and as the output terminal of described bleeder circuit, and resistance R2 or resistance R3 can adopt adjustable potentiometer (multiturn potentiometer) to regulate its output voltage.
Described comparer and first, second voltage follower adopt the first integrated operational amplifier U1A, the second integrated operational amplifier U1B, the 3rd integrated operational amplifier U1C respectively.
The principle of work of described Circuit tuning module is, compared by reference voltage and input signal ui, such as reference voltage adopts 5V, namely, input signal ui scope is greater than 5V, then reduce magnitude of voltage by first passage unit, namely adjust within 5V scope by bleeder circuit, A/D module is accessed after the first voltage follower, if input signal ui scope is less than 5V, then directly carry out A/D module by the first voltage follower in second channel, therefore, described Circuit tuning module all can be able to be nursed one's health the input signal being greater than or less than reference voltage, improve the versatility of Circuit tuning module.Because the process of divider resistance to signal is linear, therefore, signal transacting can not distortion, and improves the stability of signal.
Described bracelet also comprises: audible alarm module, and this audible alarm module comprises: speech chip, and the loudspeaker driven by this speech chip.
Described bracelet also comprises: the memory module be connected with described processor, and this memory module is suitable for the travel track storing wearer.
Described bracelet also comprises: power management module, and this power management module comprises: battery, the power management chip be connected with this battery, and described processor module is connected the voltage status of inquiring about battery with this power management chip.
Described power management chip can provide interruption in case of need such as but not limited to employing FS1610, FSl610, and gives the alarm to processor.These alarms comprise low-voltage, power channel fault, RTC alarm etc.Can be operated interruption by serial order simultaneously.The present invention by the method for electric power management circuit monitoring cell voltage is, when cell voltage is too low, the battery low-voltage instruction pin of power management chip is dragged down, brownout, by after the state of inquiring about or interrupt obtaining this pin step-down, is informed host computer by wireless communication module by processor module.
Fig. 4 shows the theory diagram of the another kind of Alternate embodiments of described power management module.
Optionally, power management module also comprises: the surface coverage of described bracelet has solar battery sheet, described battery adopts accumulator, and the charging-discharging controller that described solar battery sheet and is suitable for controlling described accumulator cell charging and discharging is connected, the output terminal of this charging-discharging controller is connected with the power input of described power management chip.Described charging-discharging controller all has relevant describing in the prior art, such as Authorization Notice No. CN201674254U intelligent accummulator charge and discharge device.Described accumulator can store electric energy, to meet power demands in evening.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on instructions, must determine its technical scope according to right.
Claims (1)
1. based on a wireless sense network medical call positioning system, it is characterized in that, comprising: for the bracelet worn, and accept the host computer of bracelet wireless signal; Wherein
Described bracelet comprises: three dimension acceleration sensor, pulse detection sensor, temperature check sensor, multiway analog switch, Circuit tuning module, A/D module, processor module, wireless locating module and the wireless communication module for sending bracelet wireless signal;
Described three dimension acceleration sensor, pulse detection sensor are connected with each input end of multiway analog switch respectively with the analog output end of temperature check sensor, and the output terminal of this multiway analog switch is connected with processor module by Circuit tuning module, A/D module; And wireless locating module is connected with processor module respectively by corresponding serial ports with wireless communication module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510002897.6A CN105303766A (en) | 2015-01-05 | 2015-01-05 | Medical call positioning system based on wireless sensing network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510002897.6A CN105303766A (en) | 2015-01-05 | 2015-01-05 | Medical call positioning system based on wireless sensing network |
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| CN105303766A true CN105303766A (en) | 2016-02-03 |
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| CN201510002897.6A Pending CN105303766A (en) | 2015-01-05 | 2015-01-05 | Medical call positioning system based on wireless sensing network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108836349A (en) * | 2018-06-05 | 2018-11-20 | 桂林理工大学 | A kind of wearable old man's dynamic data acquisition device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108836349A (en) * | 2018-06-05 | 2018-11-20 | 桂林理工大学 | A kind of wearable old man's dynamic data acquisition device |
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Application publication date: 20160203 |
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