CN105796112B - Falls Among Old People detects monitor system - Google Patents

Abstract

The invention discloses a fall detection and monitoring system for the elderly, which includes: a data acquisition module, which includes: a monitoring parameter sensor, an encoder and a wireless radio frequency transmission module; an embedded wireless gateway, which performs address resolution on the data information sent by the data acquisition module The monitoring center for management and/or positioning, which is used to accept the data information sent by the user unit, display the situation of each user and give an alarm after receiving the alarm signal; the acceleration sensor, which detects the acceleration based on the change of the acceleration in the three-axis direction Whether the elderly has fallen; the fall alarm device sends out sound and light alarm signals, and notifies the guardians of the elderly through GPRS by text message or dialing a phone, and at the same time sends the alarm signal to the management and/or positioning monitoring center through wireless, Carry out remote alarm reminder and storage of alarm information. The system of the present invention can exclude the data of normal behaviors, accurately detect falls of the elderly, locate them and give an alarm prompt.

Description

Elderly fall detection monitoring system

technical field

The invention belongs to the technical field of medical health monitoring and detection. More specifically, the present invention relates to a fall detection and monitoring system for the elderly used in detecting and monitoring the fall of the elderly.

Background technique

In the 21st century, population aging will become more apparent. With the development of the economy and the exchange of cultures, the mobility of the population has been greatly accelerated, so that many children are not with the elderly. Therefore, the health of the elderly and their medical care have gradually become a major problem. The health status of most elderly people cannot be monitored in time. At present, my country has entered an aging society and is showing a trend of accelerated development. The elderly living alone and "empty-nest families" are gradually As the number of falls increases, it is urgent to develop a fall detection device that is easy to carry, accurate in detection, and real-time in judgment, so as to meet a wide range of social needs. According to statistics from the World Organization for Disease Control and Prevention, about one-third of the home-based elderly over 65 years old fall more than once a year, and nearly 10% of one-time falls will cause serious injury or disease. Falls have become one of the important factors that endanger the elderly and other special populations. Timely fall detection and rescue can win valuable time for treatment and rescue, and play a very important role in improving the independent living ability of users, ensuring their health and improving the level of medical monitoring.

The existing fall detection and monitoring systems for the elderly can be roughly divided into two categories, one is the system or equipment for monitoring the elderly indoors, but this kind of cost is high, which limits the scope of detection and monitoring; the other is the system or equipment that can be worn and moved around Detection and monitoring equipment, but generally this type of equipment has a single function and a large detection error, which also limits its use in realizing remote monitoring.

Contents of the invention

An object of the present invention is to solve at least one of the above-mentioned problems or disadvantages and to provide at least one advantage described hereinafter.

Another purpose of the present invention is to provide a fall detection and monitoring system for the elderly, which can be installed indoors to detect the health status of the elderly, and can also be worn to detect the outdoor situation of the elderly, with rich functions and more detectable parameters.

Another purpose of the present invention is to detect and collect data signals of the elderly's electrocardiogram, respiration, body temperature and blood oxygen saturation, as well as changes in acceleration in the three-axis direction, and detect in many ways, which can filter out problems caused by normal behavior or other health problems. It is not the data change caused by the fall of the elderly, the detection accuracy is high, and the occurrence of false alarms is avoided.

In order to achieve these objects and other advantages according to the present invention, a fall detection and monitoring system for the elderly is provided, including:

Data acquisition module, which includes: a monitoring parameter sensor, an encoder and a wireless radio frequency transmission module, the monitoring parameter sensor includes two wireless sensor nodes and a processing unit, the first wireless sensor node collects the elderly's ECG through the integrated acquisition module , respiration and body temperature data signals, the second wireless sensor node collects the blood oxygen saturation data signal of the elderly, the processing unit receives the sampled data of the wireless sensor node through wireless communication, and transmits the sampled data, and the encoder receives the The sampling data transmitted by the processing unit is encoded and the sampling data is encoded, and the wireless radio frequency transmitting module transmits the encoded data information of the encoder;

An embedded wireless gateway, which accepts the data information sent by the data acquisition module, and performs address resolution on the data information;

The guardianship center of management and/or location, it comprises guardianship platform and communication module, and described guardianship platform is associated with each user unit, is used to accept the data information that each subscriber unit sends, and described guardianship platform also stores the use of three-color indicator light After automatically displaying the situation of each user and receiving the alarm signal, the communication module is used to communicate with each user;

an acceleration sensor, which is worn on the body part of the old man, and the acceleration sensor detects whether the old man has fallen based on the change of the acceleration in the three-axis direction of the acceleration sensor caused by the change of the body posture;

A fall alarm device, which is associated with the data acquisition module, the acceleration sensor and the monitoring center for management and/or positioning, the fall alarm device includes a sound alarm unit and a light alarm unit, and when the fall alarm device detects a human body When it falls, it will send out a sound and light alarm signal, and notify the guardian of the elderly through GPRS by text message or call, and at the same time send the alarm signal to management and/or positioning through IEEE802.15.4e wireless The monitoring center can carry out remote alarm prompting and storage of alarm information.

Preferably, wherein the acceleration sensor includes a first acceleration sensor, a second acceleration sensor and a third acceleration sensor, the first acceleration sensor is worn on the arm of the old man to detect changes in the acceleration of the arm, the The second acceleration sensor is worn on the waist of the old man to detect changes in the acceleration of the waist, and the third acceleration sensor is worn on the legs of the old man to detect changes in the acceleration of the legs.

Preferably, wherein, the encoding by the encoder of the first wireless sensor node of the monitoring parameter sensor through the integrated collection module to collect the elderly's ECG, respiration and body temperature data signals specifically includes: The ECG signal collected by the node adopts the wavelet transform algorithm to realize the compression of the ECG data and improve the data transmission efficiency. In the application layer, the Mexican sombrero wavelet function is used to perform wavelet decomposition on the restored ECG data, and the QRS wave group eigenvalues are extracted, and the QRS wave group-related waveforms are used for positioning detection and judgment, and the electrocardiogram is drawn to accurately judge the heart and brain symptoms of the elderly.

Preferably, wherein, the embedded wireless gateway adopts an adaptive router algorithm for automatic networking of ZigBee nodes, so that in the entire elderly fall detection and monitoring system, even if there is a node failure or a low battery situation, the entire network It can still continue to transmit by jumping the faulty node to ensure the stability of the network.

Preferably, wherein, it also includes: a first detection module and a second detection module, the first detection module is used to utilize the old man's electrocardiogram, respiration, body temperature data signal and blood oxygen saturation data signal collected by the collection module Detect whether the old man has fallen; the second detection module is used to detect whether the old man does not belong to the fall through the change of the acceleration in the three-axis direction detected by the acceleration sensor after the first detection module detects the fall The resulting changes in ECG, respiration, body temperature data signals and blood oxygen saturation data signals are excluded from falls that do not belong to the elderly.

Preferably, wherein, it also includes: a storage module, the storage module is used to store the ECG, respiration and body temperature data signals of the old man collected by the acquisition module, the acceleration data in various directions detected by the acceleration sensor and according to The acceleration data depicts the motion track diagram of the old man's fall.

Preferably, it also includes: a human-computer interaction module, which is used for information interaction between the elderly and the monitoring center for management and/or positioning.

The present invention at least includes the following beneficial effects:

1. Through detection and collection of the elderly's ECG, respiration, body temperature and blood oxygen saturation data signals, as well as changes in acceleration in the three-axis direction, multiple detections can filter out the causes of normal behavior or other health problems that are not caused by the elderly's falls The data changes, the detection accuracy is high, and the occurrence of false alarms is avoided;

2. Through the elderly fall monitoring and monitoring system that can be installed indoors to detect the health status of the elderly, and can also be worn to detect the elderly's outdoor situation, it has realized rich functions and enriched detectable parameters;

3. Through the embedded wireless gateway, the address analysis of the detected data information can accurately locate the location of the elderly;

4. Through the monitoring center of management and/or positioning, the data information sent by each user is detected and alarmed, which avoids the problem that the children of the elderly do not check the information in time and delays the treatment time of the elderly, and realizes multiple monitoring and multiple guarantees the physical and mental health of the elderly;

5. Through the setting of the acceleration sensor, the acceleration changes in the three-axis direction caused by the change of the body posture of different parts of the old man's body can be detected to detect whether the old man has fallen, which improves the accuracy of monitoring and monitoring.

Other advantages, objectives and features of the present invention will partly be embodied through the following descriptions, and partly will be understood by those skilled in the art through the study and practice of the present invention.

Description of drawings

Fig. 1 is a schematic structural diagram of an elderly person's fall detection and monitoring system in one embodiment of the present invention;

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

Fig. 1 shows an implementation form according to the present invention, showing the process of the fall detection monitoring system for the elderly. These include:

Data acquisition module, which includes: a monitoring parameter sensor, an encoder and a wireless radio frequency transmission module, the monitoring parameter sensor includes two wireless sensor nodes and a processing unit, the first wireless sensor node collects the elderly's ECG through the integrated acquisition module , respiration and body temperature data signals, the second wireless sensor node collects the blood oxygen saturation data signal of the elderly, the processing unit receives the sampled data of the wireless sensor node through wireless communication, and transmits the sampled data, and the encoder receives the The sampling data transmitted by the processing unit and encode the sampling data, and the radio frequency transmitting module sends the encoded data information of the encoder; among them, the monitoring parameter sensors can be scattered in different positions in the living environment of the elderly, such as: bedroom, The living room, bathroom and other places where the elderly are frequently active are convenient for detecting the physical monitoring parameters of the elderly, improving the range and accuracy of detection and monitoring; in addition, monitoring parameter sensors, encoders and radio frequency transmission modules can also be integrated to form miniature data. The acquisition module is worn on the arm and wrist of the elderly, which can detect the health parameters of the elderly when they go out, realizing the enrichment and multi-function of the detection and monitoring system for the elderly;

Embedded wireless gateway, which accepts the data information sent by the data acquisition module, and performs address resolution on the data information; accepts the data information sent by the data acquisition module, performs correct address resolution, and then transmits the command information to the wireless sensor network node. Embedded wireless gateways can include embedded home wireless gateways and embedded mobile wireless gateways based on the different usage environments of elderly fall monitoring and monitoring systems. Here, embedded wireless gateways require high data throughput and small data delays , can realize the conversion between ZigBee protocol and Internet protocol, improve the accuracy of detection and the speed of data information transmission, and provide a favorable guarantee for the timely treatment of injuries caused by falls of the elderly.

The guardianship center of management and/or location, it comprises guardianship platform and communication module, and described guardianship platform is associated with each user unit, is used to accept the data information that each subscriber unit sends, and described guardianship platform also stores the use of three-color indicator light After automatically displaying the situation of each user and receiving the alarm signal, the communication module is used to communicate with each user; in this embodiment, the monitoring center managed and/or positioned can be other than the elderly guardian Residential units, such as neighborhood committees belonging to residential areas for the elderly, or neighbors and other supervisory units in residential areas for the elderly, receive data information at the same time through the guardianship center when the elderly fall, and monitor the health of the elderly. information or data information, it can provide timely treatment for the injury caused by the fall of the elderly in the first time, and it can also call the guardian of the elderly in time. Among them, the three-color indicator light can indicate different falling conditions. Or other actions can be indicated in green. If the old man just fell, but did not fall and stood up again, although the monitoring center for management and/or positioning received the data from the data acquisition module and the acceleration sensor, it did not exceed Standard threshold, how can you not choose to alarm, use yellow light to display, so as to continue to observe, if the old man falls and does not stand up for a period of time, the system will give a fall alarm through the red light display, providing double health monitoring for the elderly Guarantee and improve the accuracy of detection and monitoring;

Acceleration sensor, which is worn on the body part of the old man, and the acceleration sensor detects whether the old man has fallen based on the change of the acceleration in the three-axis direction of the acceleration sensor caused by the change of the body posture; The detection of acceleration changes can also be used to measure whether the elderly has fallen through the weighted average of acceleration changes in different parts. After detecting the physiological parameters such as ECG, respiration, body temperature and blood oxygen saturation of the elderly, the acceleration of different parts of the elderly’s body can be measured. The change of the elderly further determines whether the elderly has fallen, and excludes the changes of physiological parameters caused by other behaviors or physical conditions of the elderly, rather than the changes of physiological parameters caused by falls, which improves the accuracy of the elderly's fall monitoring and monitoring, and avoids false fall alarms;

A fall alarm device, which is associated with the data acquisition module, the acceleration sensor and the monitoring center for management and/or positioning, the fall alarm device includes a sound alarm unit and a light alarm unit, and when the fall alarm device detects a human body When it falls, it will send out a sound and light alarm signal, and notify the guardian of the elderly through GPRS by text message or call, and at the same time send the alarm signal to management and/or positioning through IEEE802.15.4e wireless The monitoring center for remote alarm prompts and alarm information storage; after judging the fall of the elderly through the fall alarm device, the guardian of the elderly or the monitoring center for management and/or positioning will be notified through the double sound and light alarm signal, and the GPRS will carry out the address Positioning, accurate positioning of the geographical location where the elderly fell, is convenient for guardians or guardianship departments to treat the elderly in a timely manner, greatly reducing the damage and more serious consequences caused by the elderly falling.

In one of the embodiments, the acceleration sensor includes a first acceleration sensor, a second acceleration sensor and a third acceleration sensor, and the first acceleration sensor is worn on the arm of the elderly to detect changes in the acceleration of the arm. The second acceleration sensor is worn on the waist of the old man to detect changes in the acceleration of the waist, and the third acceleration sensor is worn on the legs of the old man to detect changes in the acceleration of the legs. Arms, waist and legs, so that the acceleration in different directions of the old man's fall can be accurately detected, such as the old man falling forward, backward, left or right, and the acceleration sensors in different parts can detect different falls. The acceleration of different parts of the body can also be evaluated and detected by the weighted average of the accelerations detected by different acceleration sensors, so that the monitoring efficiency and accuracy of the elderly fall detection and monitoring system have been greatly improved.

In one of the embodiments, the encoding by the encoder of the first wireless sensor node of the monitoring parameter sensor through the integrated acquisition module to collect the elderly's ECG, respiration and body temperature data signals specifically includes: encoding the first wireless sensor node The ECG signal collected by the sensor node adopts the wavelet transform algorithm to realize the ECG data compression and improve the data transmission efficiency. In the application layer, the Mexican sombrero wavelet function is used to perform wavelet decomposition on the restored ECG data, and the QRS wave group eigenvalues are extracted, and Carry out positioning detection and judgment on QRS wave group-related waveforms, draw an electrocardiogram, and accurately judge the heart and brain symptoms of the elderly. It not only judges whether the old man falls, but also accurately judges the physical condition of the old man after the fall, which ensures the health of the old man and improves the level of medical monitoring.

In one of the embodiments, the embedded wireless gateway adopts an adaptive router algorithm for automatic networking of ZigBee nodes, so that in the entire elderly fall detection and monitoring system, even if there is a node failure or a low battery situation, the entire network It can still continue to transmit by jumping the faulty node to ensure the stability of the network. A set of ZigBee node automatic networking algorithm is proposed to automatically balance the load of each node and improve the work efficiency of the nodes. When individual nodes in the network fail or have low power, the network should be able to adaptively bypass the faulty node and continue to maintain the stability of network communication. This manner is only an illustration of a preferred example, but not limited thereto. When implementing the present invention, other implementation aspects of the algorithm-configured network operation mode can be selected according to user requirements;

In one of the embodiments, it also includes: a first detection module and a second detection module, the first detection module is used to utilize the old man's electrocardiogram, respiration, body temperature data signal and blood oxygen saturation data collected by the collection module The signal detects whether the old man has fallen; the second detection module is used to detect whether the old man does not belong to the Changes in ECG, respiration, temperature data signals and blood oxygen saturation data signals caused by falls are not considered to be behaviors of elderly people falling. Through the dual detection and judgment guarantee of the first detection module and the second detection module, the elderly fall detection and monitoring system that further determines whether the elderly has fallen has eliminated false alarms caused by falls that do not belong to the elderly, and improved the accuracy and accuracy of the monitoring and monitoring system. Spend. This manner is only an illustration of a preferred example, but not limited thereto. When implementing the present invention, other implementation forms that exclude false alarms caused by data changes of the data acquisition module or acceleration sensors caused by non-falling normal behaviors can be selected according to user needs.

In one of the embodiments, it also includes: a storage module, the storage module is used to store the ECG, respiration and body temperature data signals collected by the collection module, the acceleration data in various directions detected by the acceleration sensor, and A motion trajectory diagram of an elderly person falling according to the acceleration data. Through the storage of data by the storage module, at the same time, the standard time threshold for the old man standing up without injury caused by a slight fall is stored in the storage module. The instantaneous data obtained by the old man's fall at this time is compared with the standard time threshold stored in the storage module. If the instantaneous data exceeds the standard time threshold, the red light and sound alarm will be used to make an alarm prompt to judge the elderly's fall. If the instantaneous data does not exceed the standard time threshold, the yellow light display will only be used to remind the effect of continuing observation, avoiding even slight shaking Or a high vigilance alarm for the elderly who falls slightly and is not injured, so as to avoid the mental stress of the elderly guardian.

In one of the embodiments, it also includes: a human-computer interaction module, which is used for information interaction between the elderly and the monitoring center for management and/or positioning. Through the human-computer interaction module, the elderly fall and are close to the activity environment of the elderly. The management and/or positioning of the monitoring center can make contact, so that the elderly can receive timely treatment after a fall, which saves treatment time, greatly reduces the probability of serious injury or disease caused by the fall, and protects the health of the elderly.

In the present invention, design is as follows:

(1) Data acquisition module: The data acquisition module is composed of monitoring parameter sensors, encoders and radio frequency transmitting modules. Monitoring parameter sensors are installed in bedrooms, toilets, living rooms, kitchens, etc. to obtain various data of the elderly's activities. After the data is encoded by the encoder, it is transmitted to the embedded wireless gateway set in the living room through the radio frequency transmitting module.

(2) Embedded wireless gateway: accept the control information sent by the monitoring server, perform correct address analysis, and transmit the command information to the wireless sensor network node. The embedded home gateway requires high data throughput, small data delay, and can realize the conversion between ZigBee protocol and Internet protocol.

(3) Monitoring center for management and/or positioning: this part includes a monitoring platform and a communication module. The monitoring platform regularly receives the data sent by each user unit, stores and automatically displays the situation of each user with a three-color indicator, and receives an alarm signal After the alarm, it has the function of communicating with each user.

(4) Routing algorithm design: Design an adaptive routing algorithm. In the whole system, some node failures or low power conditions may occur. At this time, the entire network needs to jump the faulty node to continue transmission to ensure the stability of the network. .

(5) Design of fall alarm device: when a human fall is detected, the fall detection alarm device itself sends out an audible and visual alarm signal, and notifies the guardian of the fall alarm information through GPRS by text message or dialing a phone, and at the same time through IEEE802.15.4 e wirelessly send the alarm information to the monitoring center for remote alarm reminder and storage of alarm information.

For the ECG signal collected by the sensor, the wavelet transform algorithm is used to realize the compression of the ECG data and improve the efficiency of data transmission. In the application layer, the Mexico hat wavelet function is used to perform wavelet decomposition on the restored ECG data, and the QRS eigenvalues are extracted, and the Correlated waveforms are used for positioning detection and judgment, and the electrocardiogram is drawn to accurately judge heart and brain symptoms.

Design of human fall detection system based on triaxial acceleration sensor. Based on the analysis of the state experienced by the human body in the fall, a remote fall alarm device is designed to judge the fall based on the detection of acceleration changes. The working principle of this fall detection and alarm device is to monitor whether the human body has fallen by detecting the acceleration changes on the three axes of the acceleration sensor caused by the change of the body posture of the wearer when the person falls. When a human fall is detected, the fall alarm device itself sends out an audible and visual alarm signal, and notifies the guardian of the fall alarm information through GPRS by text message or dialing a phone, and at the same time sends the alarm information to The monitoring center is used for remote alarm prompts and storage of alarm information.

A set of ZigBee node automatic networking algorithm is proposed to automatically balance the load of each network node and improve the work efficiency of network nodes. When individual nodes in the network fail or have low power conditions, the network should be able to adaptively bypass the faulty node and continue to maintain the stability of network communication;

The wireless sensor node is designed based on the collection of multiple physiological parameters. The wireless sensor node is easy to wear, similar to a watch or a sheath, and will not increase the burden on the user.

The number of devices and processing scales described here are used to simplify the description of the present invention. Applications, modifications and changes to the elderly fall detection monitoring system of the present invention will be obvious to those skilled in the art.

As mentioned above, according to the present invention, by detecting and collecting the data signals of ECG, respiration, body temperature and blood oxygen saturation of the elderly, as well as changes in the acceleration in the three-axis direction, multiple detections can filter out abnormalities caused by normal behavior or other health conditions. The problem is not the data change caused by the fall of the elderly, the detection accuracy is high, and the occurrence of false alarms is avoided; the elderly fall monitoring and monitoring system can be installed indoors to detect the health status of the elderly and can also be worn to detect the elderly outdoors , to achieve rich functions and enriched detectable parameters; through the embedded wireless gateway, the address analysis of the detected data information can accurately locate the location of the elderly; The data information of the elderly is detected and alarmed, which avoids the problem that the children of the elderly do not check the information in time to delay the treatment time of the elderly, realizes multiple monitoring, and ensures the physical and mental health of the elderly in multiple ways; through the setting of the acceleration sensor, it can detect the physical differences of the elderly. The acceleration change in the three-axis direction caused by the change of the body posture of the part is used to detect whether the elderly has fallen, which improves the accuracy of monitoring and monitoring.

Although embodiments of the present invention have been disclosed above, it is not limited to the applications set forth in the specification and examples. It can be fully applied to various fields suitable for the present invention. Additional modifications can readily be made by those skilled in the art. Therefore, the invention should not be limited to the specific details and examples shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims (4)

1. a kind of Falls Among Old People detects monitor system, including：

Data acquisition module comprising：Monitored parameters sensor, encoder and wireless radio transmission module, the monitored parameters Sensor includes two wireless sensor nodes and a processing unit, and the first wireless sensor node passes through integrated acquisition mould Block acquires electrocardio, breathing and the temperature data signal of old man, and the second wireless sensor node acquires the blood oxygen saturation number of old man It is believed that number, the processing unit receives the sampled data of wireless sensor node by radio communication, and sampled data is carried out Transmission, the encoder receive the sampled data of the processing unit transmission and are encoded to sampled data, less radio-frequency hair It penetrates the data information after module encodes encoder to send, encoder is wirelessly passed to the first of the monitored parameters sensor Sensor node carries out coding by electrocardio, breathing and the temperature data signal of integrated acquisition module acquisition old man and specifically includes： ECG data compression is realized using Wavelet Transformation Algorithm to the electrocardiosignal of first wireless sensor node acquisition, improves number According to efficiency of transmission, wavelet decomposition is carried out using the electrocardiogram (ECG) data that Mexico's hat wavelet function pair restores in application layer, and extract Go out QRS complex characteristic value, and detection and localization judgement is carried out to QRS complex waveform correlation, depicts electrocardiogram, accurate judgement is old The heart and brain symptom of people；

Embedded wireless gateway, receives the data information that the data acquisition module is sent, and to data information into row address Parsing；

The monitor center of management and/or positioning comprising monitoring platform and communication module, the monitoring platform are single with each user Member association, the data information sent for receiving each subscriber unit, the monitoring platform also store tri-colour LED and are used for Automatically the case where showing each user is simultaneously alarmed after receiving alarm signal, and the communication module is used for and each user carries out Communication；

Acceleration transducer is worn on the body part of old man, variation of the acceleration transducer based on body posture The variation of acceleration in caused three axis direction of acceleration transducer detects whether old man falls, the acceleration sensing Device includes the first acceleration transducer, the second acceleration transducer and third acceleration transducer, first acceleration sensing Device is worn on the arm position of old man, the variation for detecting arm part positioner acceleration, and second acceleration transducer is worn In the waist of old man, the variation for detecting waist acceleration, the third acceleration transducer is worn on the leg of old man, uses In the variation of detection leg acceleration；

First detection module and the second detection module, the first detection module are used for the old man using acquisition module acquisition Electrocardio, breathing, temperature data signal and blood oxygen saturation data signal are detected to whether old man falls；Second detection Module is in three axis directions for after first detection module progress fall detection, being detected by the acceleration transducer The variation of acceleration detect whether old man is not belonging to fall caused electrocardio, breathing, temperature data signal and blood really Oxygen saturation data-signal changes to exclude to be not belonging to Falls Among Old People behavior；

Tumble alarm is associated with the prison of the data acquisition module, the acceleration transducer and the management and/or positioning Shield center, the tumble alarm include audible alarm unit and light alarm unit, and the tumble alarm, which is worked as, detects human body When tumble, sound and light alarm signal itself is sent out, and sound and light alarm signal is led to GPRS by short message or in a manner of making a phone call Know the care provider of old man, while alarm signal is wirelessly sent to by management and/or positioning by IEEE802.15.4e Monitor center, carry out remote alarms prompt and warning message storage.

2. Falls Among Old People as described in claim 1 detects monitor system, wherein the embedded wireless gateway uses ZigBee The adaptive router algorithm of node automatic network-building, so that in entire Falls Among Old People detects monitor system, even if occurring Node failure or low battery situation, at this time whole network remain to by jump malfunctioning node continue to transmit, Logistics networks it is steady It is qualitative.

3. Falls Among Old People as described in claim 1 detects monitor system, wherein further include：Memory module, the memory module Electrocardio, breathing and temperature data signal, the acceleration transducer when Falls Among Old People for storing acquisition module acquisition The movement locus figure of the acceleration information of all directions of detection and the Falls Among Old People depicted according to the acceleration information.

4. Falls Among Old People as described in claim 1 detects monitor system, wherein further include：Human-computer interaction module is used for old Information exchange is carried out between people and the monitor center of management and/or positioning.