CN103021129A - System and method for monitoring falling down of old people - Google Patents
System and method for monitoring falling down of old people Download PDFInfo
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Abstract
A system for monitoring falling down of old people comprises a pulse sensor node, an acceleration sensor node, a plantar pressure sensor node and a convergence processing node, wherein a multi-sensor human body trunk network can be achieved through the four types of nodes in a star structure. The pulse sensor node comprises a pulse sensor, a microprocessor, a battery and a wireless communication module; the acceleration sensor node comprises an acceleration sensor, a microprocessor, a battery and a wireless communication module; the plantar pressure sensor node comprises a plantar pressure sensor, a microprocessor, a battery and a wireless communication module; according to the pulse sensor node, the acceleration sensor node and the plantar pressure sensor node, sensors are connected with microprocessors, microprocessors and wireless communication modules are connected in a bidirectional mode; and the convergence processing node comprises a storage, a wireless communication module compatible with a body sensor network (BSN), a wireless communication module accessing a communication network, a manual alarm switch and a microprocessor, the manual alarm switch is connected with the microprocessor, and the microprocessor is connected with the storage, the wireless communication module compatible with the BSN and the wireless communication module accessing the communication network in a bidirectional mode respectively.
Description
Technical field
The present invention relates to electronic technology field, in particular, relate to a kind of Falls in Old People monitoring system and method thereof, the monitoring when being used for Falls in Old People, report to the police and upload the information of falling.
Background technology
In recent years, because factors such as medical science and technology progress and fertility-rate reductions, population in the world moves towards the structure of aging gradually.Simultaneously, be subject to the impact that marriage rate descends and lacks childrenization, so that need the elderly who looks after day by day to increase.Along with the increase at age, the elderly's health has various physiological decline to be changed, such as muscle strength reduction, balanced capacity decline and bone-loss etc.For the young man, fall and only can be subject to little wound.Yet the elderly then has quite high probability to cause fracture because fall, or is subject to serious injury, even has fatal possibility to exist.Therefore, the elderly is needed special concern unexpected processing of falling.
The elderly mainly is at home or convalescence organ, and also some is solitary.Because the busy of modern society add that the population of family is few, the time during family members often stay at home is not long, so that family is difficult to have enough abilities to look after old man in the family.Just stay at last convalescence organ or engage special nurse personnel, what can't guarantee still that the elderly's twenty four hours can both improve looks after, and family members are difficult to also that relieved the elderly can in time obtain rescue when occuring falling.And these above-mentioned problems, for solitary the elderly, it is untimely and cause the secret worry of deterioration to exist to have especially the rear emergency of falling.
At present existing human body fall and warning system in, great majority are to use acceleration transducer and gyroscope to carry out fall detection to judge, do not add the physiological parameter information judgement of falling, the identification judgement rate of falling is lower, the rescue personnel causes formulating in advance the rescue plan owing to can not understand in real time old man's physiologic information in rescue old man process simultaneously.
Summary of the invention
The present invention provides a kind of Falls in Old People monitoring system and method thereof in order to overcome the shortcoming of prior art, and the technical scheme of employing is:
A kind of Falls in Old People monitoring system, it is characterized in that, this system comprises pulse transducer node, acceleration transducer node, plantar pressure sensor node and convergence processing node, pulse transducer node, acceleration transducer node, plantar pressure sensor node and convergence processing node are with the trunk network B SN of hub-and-spoke configuration realization multisensor, wherein:
The pulse transducer node comprises pulse transducer, microprocessor, battery, wireless communication module, the output connecting microprocessor of pulse transducer, and the two-way connection wireless communication module of the output of microprocessor, battery is powered to sensor node;
The acceleration transducer node comprises acceleration transducer, microprocessor, battery, wireless communication module, the output connecting microprocessor of acceleration transducer, and the two-way connection wireless communication module of the output of microprocessor, battery is powered to sensor node;
The plantar pressure sensor node comprises plantar pressure sensor, microprocessor, battery, wireless communication module, the output connecting microprocessor of plantar pressure sensor, and the two-way connection wireless communication module of the output of microprocessor, battery is powered to sensor node;
The convergence processing node comprises the wireless communication module of storer, compatible BSN, the manual alarm switch of wireless communication module and the microprocessor of access communication network, the manual output connecting microprocessor of alarm switch, microprocessor respectively with the wireless communication module of storer, compatible BSN, the two-way connection of wireless communication module of access communication network.
Said pulse transducer node can be arranged on the wrist place of arbitrary hand, the acceleration transducer node is separately positioned on head and waist, the plantar pressure sensor node is separately positioned on ankle place, the left and right sides, the plantar pressure sensor at sole place before and after the plantar pressure sensor node at ankle place, the left and right sides is respectively equipped with and is positioned at, aggregation node is arranged on waist.
Described trunk network B SN is operated in the 2.4GHz frequency range.
Monitoring method according to above-mentioned Falls in Old People monitoring system, it is characterized in that, the acceleration information that acceleration transducer node collection reflection human body attitude changes, the plantar pressure sensor node gathers plantar pressure information, the pulse information of pulse transducer node collection reflection human body physiological state, the wireless communication module that has a hoc network by microprocessor control sends to the compatible BSN wireless communication module in the convergence processing node with the data message that gathers and is sent to microprocessor and carries out data and process, according to many sensings amount information fusion, realization is to the comprehensive judgement of Falls Among Old People decision-making, if within several seconds time, acceleration change surpasses the threshold value according to the experiment gained of falling, the plantar pressure data level off to zero simultaneously, pulse data changes greatly, then definite human body is fallen, upload the information of falling and warning by the wireless communication module of access communication network, simultaneously the physiological parameter information behind the Falls Among Old People is transferred to the rescue personnel.
In the convergence processing node wireless communication module of access communication network upload the information of falling comprise to service centre or specific phone number or by with the wireless connections of internet-of-things terminal, comprise that bluetooth, WIFI access public telecommunication network, storer is used for the data message of storage microprocessor.
When Falls in Old People, if this system occurs not to service centre or specific phone number is uploaded the information of falling and the situation of the warning of falling, the old man can own initiatively open alarm switch, and microprocessor is uploaded the information of falling and the warning of falling by the wireless communication module of access communication network.
The present invention has following significant advantage and beneficial effect:
Sensing node Real-Time Monitoring old man's attitude information and physiologic information among the present invention, system provides comprehensive judgement according to many sensings amount information fusion when Falls Among Old People, can in time upload the information of falling and the warning of falling to service centre or specific phone number, physiological parameter information after will falling simultaneously is transferred to the rescue personnel on hand, guarantee that the rescue personnel can understand old man's up-to-date physiological parameter information in real time in the rescue process, make things convenient for the rescue personnel to formulate in advance the rescue plan.
Description of drawings
Fig. 1 is the structural representation of monitoring system of the present invention;
Fig. 2 is the process flow diagram of monitoring method of the present invention;
Fig. 3 is the layout enforcement figure of monitoring system.
Embodiment
System of the present invention comprises pulse transducer node, acceleration transducer node, plantar pressure sensor node and convergence processing node.Wherein the pulse transducer node can be arranged on the wrist place of a hand, comprise pulse transducer, microprocessor, battery, wireless communication module, the acceleration transducer node is separately positioned on each one in head and waist, each comprises acceleration transducer, microprocessor, battery, wireless communication module, the plantar pressure sensor node is separately positioned on each one at ankle place, the left and right sides, each comprises plantar pressure sensor, microprocessor, battery, wireless communication module, the plantar pressure sensor node at ankle place, the left and right sides respectively comprises two plantar pressure sensor, be separately positioned on left and right sides pin before, the hind paw place.The output of each sensor connects respectively microprocessor, and the two-way connection wireless communication module of the output of microprocessor, battery are given respectively each sensor node power supply.The convergence processing node can be arranged on waist, and (the convergence processing node just receives the information that other nodes send over and processes, do not gather any information, be placed on shank, chest, arm place etc. can) comprise manual alarm switch, microprocessor and respectively with it storer, the wireless communication module of compatible BSN and the wireless communication module of access communication network of two-way connection.Pulse transducer node, acceleration transducer node, plantar pressure sensor node and convergence processing node are realized the trunk network B SN of multisensor with hub-and-spoke configuration.Described trunk network B SN is operated in the 2.4GHz frequency range; Can realize the comprehensive judgement to the monitoring of old man's information and the decision-making of falling.
Shown in Fig. 1,3, convergence processing node 301, the plantar pressure sensor node 305 at brain acceleration transducer node 302, pulse transducer node 303, waist acceleration transducer node 304, left ankle place, the plantar pressure sensor node 306 at right ankle place.Convergence processing node 301 comprises microprocessor, storer, compatible BSN wireless communication module, access communication network wireless communication module, the manual alarm switch with power.Acceleration transducer node 302 comprises an acceleration transducer, microprocessor, wireless communication module, battery.Pulse transducer node 303 comprises a pulse transducer, microprocessor, wireless communication module, battery.Acceleration transducer node 304 comprises an acceleration transducer, microprocessor, wireless communication module, battery.Plantar pressure sensor node 305,306 includes two plantar pressure sensor, microprocessor, wireless communication module, battery.Two plantar pressure sensor in the plantar pressure sensor node 305 and 306 are placed on respectively the place ahead 308 and the rear 309 in vola, the left and right sides.Acceleration transducer node 302, pulse transducer node 303, acceleration transducer node 304, plantar pressure sensor node 305, plantar pressure sensor node 306 and convergence processing node 301 are realized the BSN networking of multisensor in the mode of hub-and-spoke configuration, acceleration transducer node 302, pulse transducer node 303, acceleration transducer node 304, plantar pressure sensor node 305, plantar pressure sensor node 306 is respectively with detected acceleration, plantar pressure, pulse information sends to convergence processing node 301 by wireless communication module, after the convergence processing node receives described data message by compatible BSN wireless communication module, send to the microprocessor with power and carry out the data processing, realize the comprehensive judgement that Falls Among Old People is made a strategic decision according to many sensings amount information fusion.The access communication network wireless communication module of convergence processing node accesses public telecommunication network by the wireless connections (bluetooth, WIFI) with internet-of-things terminal 307, and service centre or specific phone number are in time uploaded the information of falling and the warning of falling.Storer is connected with the microprocessor of power, and storer is for the data of storing described microprocessor.So that realize other data of storage, perhaps data is mutual.
The acceleration transducer node respectively arranges one at brain and waist, the head movement acceleration when detecting Falls Among Old People respectively and waist movement acceleration.According to the fall detection pertinent literature, human body human motion acceleration when falling is the most obvious at brain and waist reflection, and this point has also been verified in experiment, and the acceleration change of brain and waist clearly; Fall in order effectively to detect simultaneously, respectively arranging one at the acceleration transducer node at brain and waist is the correctness that improves fall detection, because fall detection is judged according to the variation of acceleration, if just at waist or at head an acceleration transducer is set, be fine, be lower than and respectively arrange one at brain and waist and carry out fall detection and judge but detect the accuracy fall.
Two pin have 4 sensor informations and are deployed in respectively palm place, pin front and back, the left and right sides, because palm place in front and back is the main center of effort of pin, can detect plantar pressure.Because when the old man normally walks, the plantar pressure that the pressure transducer in two volas detects is not 0 entirely, because walk, have at least a pin to step down on the ground, the sensor that steps down in the sole of that pin on the ground just can detect plantar pressure, and the another pin has lifted, and the vola does not just have pressure, the vola sensor just can't detect plantar pressure, and plantar pressure is close to 0.But two pin are not step on the ground when falling, and two pin are endways, and the pressure of two soles has been 0 entirely just, and the pressure by these two pin is 0 entirely, and this information is judged Falls Among Old People.
During monitoring, at first do main judgement according to the old man's who detects head movement acceleration and waist movement acceleration, during Falls Among Old People (in several seconds), head movement acceleration and waist movement acceleration change are clearly, at head and waist an acceleration rate threshold of testing gained is set respectively, whether surpass threshold value such as the acceleration of judging first head (or waist), if surpass threshold value (if do not surpass threshold value, just do not judged then), and then whether the acceleration of judging waist (or head) surpasses threshold value, if surpass threshold value (if do not surpass threshold value, just do not judged then), whether great changes have taken place to judge pulse information again, whether plantar pressure is that 0(pulse and plantar pressure are auxiliary judgment, improve the correctness of fall detection, simultaneously pulse reflection old man physiological parameter information), if great changes have taken place for pulse information, if plantar pressure is not 0 for the 0(pulse information does not have great changes or plantar pressure entirely entirely, then just can not judge Falls Among Old People), then can judge Falls Among Old People.
Shown in Fig. 2 a, 2b, the step that monitoring method comprises:
1, acceleration transducer node, plantar pressure sensor node, pulse transducer node are in holding state;
2, microprocessor reads acceleration transducer data, pulse transducer data, plantar pressure sensor data;
3., degree of will speed up, plantar pressure and pulse information send to the convergence processing node by wireless communication module respectively for acceleration transducer node, plantar pressure sensor node, pulse transducer node;
4, the convergence processing node is in holding state;
5, compatible BSN wireless communication module judges whether to receive the data of acceleration transducer node, plantar pressure sensor node, the transmission of pulse transducer node, if do not receive data, then proceeds to judge; If the data of receiving are then down carried out;
6, read continuously the acceleration transducer data in several seconds;
7, judge whether acceleration information has larger variation, namely whether exceed the threshold value according to the experiment gained of falling, if exceed, then read plantar pressure sensor data and pulse transducer data, if do not exceed, then continue to judge;
8, judge whether plantar pressure sensor data and pulse transducer data have larger variation, be whether the plantar pressure sensor data level off to zero, it is larger whether the pulse transducer data changed in several seconds, if, then report the information of falling and the warning of falling by the access communication network wireless communication module, and store and upload old man's physiological parameter information.If no, judge then whether compatible BSN wireless communication module receives data.
Claims (6)
1. Falls in Old People monitoring system, it is characterized in that, this system comprises pulse transducer node, acceleration transducer node, plantar pressure sensor node and convergence processing node,, pulse transducer node, acceleration transducer node, plantar pressure sensor node and convergence processing node are realized the trunk network B SN of multisensor with hub-and-spoke configuration;
The pulse transducer node comprises pulse transducer, microprocessor, battery, wireless communication module, the output connecting microprocessor of pulse transducer, and the two-way connection wireless communication module of the output of microprocessor, battery is powered to sensor node;
The acceleration transducer node comprises acceleration transducer, microprocessor, battery, wireless communication module, the output connecting microprocessor of acceleration transducer, and the two-way connection wireless communication module of the output of microprocessor, battery is powered to sensor node;
The plantar pressure sensor node comprises plantar pressure sensor, microprocessor, battery, wireless communication module, the output connecting microprocessor of plantar pressure sensor, and the two-way connection wireless communication module of the output of microprocessor, battery is powered to sensor node;
The convergence processing node comprises the wireless communication module of storer, compatible BSN, the manual alarm switch of wireless communication module and the microprocessor of access communication network, the manual output connecting microprocessor of alarm switch, microprocessor respectively with the wireless communication module of storer, compatible BSN, the two-way connection of wireless communication module of access communication network.
2. Falls in Old People monitoring system according to claim 1, it is characterized in that, the pulse transducer Node configuration is at the wrist place of arbitrary hand, the acceleration transducer node is separately positioned on head and waist, the plantar pressure sensor node is separately positioned on ankle place, the left and right sides, the plantar pressure sensor at sole place before and after the plantar pressure sensor node at ankle place, the left and right sides is respectively equipped with and is positioned at, aggregation node is arranged on waist.
3. Falls in Old People monitoring system according to claim 1 and 2 is characterized in that described trunk network B SN is operated in the 2.4GHz frequency range.
4. the monitoring method of described Falls in Old People monitoring system according to claim 1, it is characterized in that, the acceleration information that acceleration transducer node collection reflection human body attitude changes, the plantar pressure sensor node gathers plantar pressure information, the pulse information of pulse transducer node collection reflection human body physiological state, the wireless communication module that has a hoc network by microprocessor control sends to the compatible BSN wireless communication module in the convergence processing node with the data message that gathers and is sent to microprocessor and carries out data and process, according to many sensings amount information fusion, realization is to the comprehensive judgement of Falls Among Old People decision-making, if within several seconds time, acceleration change surpasses the threshold value according to the experiment gained of falling, the plantar pressure data level off to zero simultaneously, pulse data changes greatly, then definite human body is fallen, upload the information of falling and warning by the wireless communication module of access communication network, simultaneously the physiological parameter information behind the Falls Among Old People is transferred to the rescue personnel.
5. the monitoring method of described Falls in Old People monitoring system according to claim 4, it is characterized in that, in the convergence processing node wireless communication module of access communication network upload the information of falling comprise to service centre or specific phone number or by with the wireless connections of internet-of-things terminal, comprise that bluetooth, WIFI access public telecommunication network, storer is used for the data message of storage microprocessor.
6. the monitoring method of described Falls in Old People monitoring system according to claim 5, it is characterized in that, when Falls in Old People, if this system occurs not to service centre or specific phone number is uploaded the information of falling and the situation of the warning of falling, then the old man initiatively opens alarm switch, and microprocessor is uploaded the information of falling and the warning of falling by the wireless communication module of access communication network.
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| CN109671247A (en) * | 2018-12-05 | 2019-04-23 | 安徽泰德电子科技有限公司 | A kind of house security deployment system based on cloud intelligence |
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Application publication date: 20130403 |