WO2018196446A1

WO2018196446A1 - Positioning-based old people nursing management system and method

Info

Publication number: WO2018196446A1
Application number: PCT/CN2018/073184
Authority: WO
Inventors: 张贯京; 葛新科; 高伟明; 张红治; 陈琦; 周亮
Original assignee: 深圳市前海安测信息技术有限公司
Priority date: 2017-04-28
Filing date: 2018-01-18
Publication date: 2018-11-01
Also published as: CN107103569A

Abstract

A positioning-based old people nursing management system and method. The method comprises: storing, in a server, position information of each Bluetooth receiver within an old people nursing region and information about a nursed old person corresponding to each wearable device (S10); when a nursed old person moves about within the old people nursing region, acquiring the signal strength of each Bluetooth receiver when it is connected to the wearable device worn by the nursed old person (S11); selecting, according to the signal strengths, three Bluetooth receivers which have the strongest signal when connected to the wearable device worn by the nursed old person (S12); calculating a first position of the nursed old person according to geographic position information corresponding to the three Bluetooth receivers that have the strongest signal (S13); starting positioning means of the wearable device by means of the Bluetooth receivers to determine a second position of the nursed old person (S14); determining an accurate position of the nursed old person according to the first and second positions (S15); and transmitting position information of the nursed old person to administrative staff of the old people nursing region, so as to check and monitor the accurate position of the nursed old person in real time (S16). By the method, the device position of a nursed old person can be mastered in real time, and thus the positioning accuracy is improved, so that the administrative staff can rush to a scene promptly when the old person has an emergency.

Description

Location-based pension management system and method

Technical field

The invention relates to the field of pension, and in particular to a positioning-based pension management system and method.

Background technique

China is experiencing the largest and fastest aging process in history. As the parents of the first generation of only children continue to enter the old age, more and more families are facing a situation in which a couple need to support more than 4 elderly people. Become a hot topic in China.

At present, there are three types of pensions: family pension, community pension and social pension. Family pension refers to the elderly we are familiar with at home; social pension generally refers to the elderly living at private or private nursing homes, welfare homes, nursing homes and nursing homes at their own expense, and receive corresponding medical and nursing services. Due to the limited energy of their children, The old man gave up the old concept of "killing the nursing home" and gradually got the idea of supporting the elderly in the nursing home. However, at the end of 2011, according to statistics, there were 3.15 million old-age beds in various types of old-age care institutions nationwide, and the number of beds in the total number of elderly people was only 1.77. %. At present, public pension institutions in many large cities in China have already had a situation of “one bed is hard to find”.

The current problem facing social pension is how to monitor the health status and location of the elderly in real time. In the face of sudden illness and other diseases, can the medical staff rush to the scene according to the position of the elderly, which is the current community pension. Must be considered. Therefore, it is necessary to provide a positioning-based pension management system and method, which can timely locate the elderly to grasp the position of the elderly in real time.

technical problem

The main object of the present invention is to provide a positioning-based pension management system and method, aiming at solving the technical problem of real-time positioning of the elderly.

Technical solution

To achieve the above objective, the present invention provides a location-based pension management system running on a server, the server being placed in a pension area, a plurality of Bluetooth receivers disposed in the pension area, the server and each Bluetooth Receiver connections, each Bluetooth receiver is also pre-paired with a wearable device worn on a pensioner, the location-based pension management system comprising:

a saving module, configured to save location information of each Bluetooth receiver in the pension area and the information of the pensioner corresponding to each wearable device in the server;

An acquisition module, configured to acquire a signal strength when each Bluetooth receiver is connected to a wearable device worn by the pensioner when three or more Bluetooth receivers are connected to the wearable device worn by the pensioner;

Selecting a module, according to the signal strength, selecting three Bluetooth receivers that have the strongest signal when connected to the wearable device worn by the pensioner;

a calculation module, configured to calculate, according to geographical location information corresponding to the three Bluetooth receivers with the strongest signals, the first location where the pensioner is located;

Activating module, configured to start, by the Bluetooth receiver, a positioning device of the wearable device to determine a second location of the pensioner;

a confirmation module, configured to determine an accurate location of the pensioner based on the first location and the second location; and

The sending module is configured to send the location information of the pension manager to the manager of the pension area to view the accurate location of the monitored person in real time.

Preferably, the positioning device is a device comprising a GPS module or a device comprising a Beidou positioning system module.

Preferably, the manner of determining the exact location of the pensioner according to the first location and the second location is as follows:

When the distance between the first position and the second position exceeds a preset distance, the first position is used as an accurate position of the pensioner; and

When the distance between the first position and the second position is less than or equal to the preset distance, the average of the first position and the second position is used as the accurate position of the pensioner.

Preferably, the sending module is further configured to send an early warning message to the pension manager to charge the wearable device worn by the pensioner when the wearable device of the pensioner is low in power.

Preferably, the manner of calculating the first location of the pensioner according to the geographical location information corresponding to the three Bluetooth receivers with the strongest signal is: log10(PRi)=log10(PTi)-n*log10 (ri) ,

, i = (1, 2, 3), where PRi is the strength of the received signal of the i-th Bluetooth receiver, PTi is the intensity of the transmitted signal of the i-th Bluetooth receiver, and n is the propagation factor related to the surrounding environment , ri is the distance between the i-th Bluetooth receiver and the wearable device worn by the pensioner, wherein the coordinates (xi, yi, zi) are the coordinates of the i-th Bluetooth receiver, and the pensioner can wear The coordinates of the first position of the wearable device are (x, y, z).

In another aspect, the present invention further provides a location-based pension management method, which is applied to a server, the server is placed in a pension area, and a plurality of Bluetooth receivers are disposed in the pension area, and the server receives each Bluetooth The device is connected, and each Bluetooth receiver is also paired with a wearable device worn on the pensioner in advance. The location-based pension management method includes the following steps:

The location information of each Bluetooth receiver in the pension area and the information of the pensioner corresponding to each wearable device are saved in the server;

Obtaining a signal strength when each Bluetooth receiver is connected to a wearable device worn by the pensioner when three or more Bluetooth receivers are connected to the wearable device worn by the pensioner;

According to the signal strength, three Bluetooth receivers with the strongest signal when connected with the wearable device worn by the pensioner are selected;

Calculating the first location of the pensioner according to the geographical location information corresponding to the three strongest Bluetooth receivers;

Activating a positioning device of the wearable device by the Bluetooth receiver to determine a second location of the pensioner;

Determining an accurate location of the pensioner based on the first location and the second location; and

The location information of the pension manager is sent to the administrator of the pension area to view the accurate location of the monitored pensioner in real time.

Preferably, the positioning device is a device comprising a GPS module or an accurate device comprising a Beidou positioning system module.

Preferably, the location-based pension management method further comprises the step of: sending an alert message to the pension manager to charge the wearable device worn by the pensioner when the wearable device of the pensioner is low in power.

Preferably, the manner of calculating the first location of the pensioner according to the geographical location information corresponding to the three Bluetooth receivers with the strongest signal is: log10(PRi)=log10(PTi)-n*log10 (ri) , , i = (1, 2, 3), where PRi is the strength of the received signal of the i-th Bluetooth receiver, PTi is the intensity of the transmitted signal of the i-th Bluetooth receiver, and n is the propagation factor related to the surrounding environment , ri is the distance between the i-th Bluetooth receiver and the wearable device worn by the pensioner, wherein the coordinates (xi, yi, zi) are the coordinates of the i-th Bluetooth receiver, and the pensioner can wear The coordinates of the first position of the wearable device are (x, y, z).

Beneficial effect

The technical solution of the present invention adopts the above technical solution, and the technical effect of the positioning-based old-age management system and method of the present invention, combined with the positioning of the Bluetooth signal and the positioning device, can grasp the position of the device of the pensioner in real time and improve the positioning. Accuracy, in order to cope with the elderly can be rushed to the scene in the event of an emergency.

DRAWINGS

Figure 1 is a schematic view of a pension area of the present invention;

2 is a schematic diagram of an application environment of a positioning-based old-age management system according to the present invention;

3 is a schematic diagram of functional modules of a preferred embodiment of the location-based pension management system of the present invention;

4 is a flow chart of a preferred embodiment of a location-based pension management method of the present invention.

The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.

BEST MODE FOR CARRYING OUT THE INVENTION

The specific embodiments, structures, features and functions of the present invention are described in detail below with reference to the accompanying drawings and preferred embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to Figure 1, Figure 1 is a schematic illustration of a pension area. The pension area 1 is an area surrounded by a nursing home or an old-age care institution, and is used to provide activities and old-age places for the elderly. A server 2, a plurality of Bluetooth receivers 3, and a plurality of wearable devices 4 are disposed in the pension area 1. The pension area 1 is also provided with a building (not shown) for the rest and office of the old-age staff, and the server 2 is disposed in the building. The plurality of Bluetooth receivers 3 are distributed at different locations of the pension area 1, specifically, the pension area 1 is provided with a Bluetooth receiver 3 every predetermined distance (for example, 10 meters), and in the pension area A Bluetooth receiver array is formed within 1. In the present embodiment, each Bluetooth receiver 3 is placed at a fixed position. In order to increase the signal coverage of each Bluetooth receiver 3, the Bluetooth receiver 3 is a device or device that supports the Bluetooth 5.0 protocol. The wearable device 4 is worn on the old person and can monitor the user's vital information (for example, heart rate, blood pressure, blood oxygen, blood lipids, etc.) in real time. In this embodiment, the wearable device 4 is a device or device having a Bluetooth communication function, and the wearable device 4 can transmit data with the Bluetooth receiver 3 via Bluetooth, for example, the wearable device 4 The monitored vital sign information is sent to the Bluetooth receiver 3.

Referring to FIG. 2, FIG. 2 is a schematic diagram of an application environment of a positioning-based pension management system according to the present invention. The location-based pension management system 20 in the present invention runs on the server 2. The server 2 is communicably connected to the plurality of Bluetooth receivers 3 by wire or wireless (Bluetooth connection), and the Bluetooth receiver 3 can also be wirelessly connected to the wearable device 4. The wearable device 4 is configured to monitor the physical condition information of the elderly person and send it to the server 2 through the Bluetooth receiver 3. The management personnel of the old-age area 1 can timely grasp the physical condition of the pensioners by checking the physical signs of the pensioners in real time. In addition, the server 2 also locates the position of the pensioner in real time through the connection between the wearable device 4 worn by the pensioner and the Bluetooth receiver 3, so that the manager of the pension area 1 can grasp the position of the pensioner in real time due to the sudden situation. (for example, falling, etc.).

Referring to Figure 3, there is shown a functional block diagram of a preferred embodiment of the location-based pension management system of the present invention. As shown in FIG. 1 and 2, in the present embodiment, the location-based pension management system 20 is applied to the server 2. The server 2 includes, but is not limited to, a location-based pension management system 20, a storage unit 22, a processing unit 24, and a communication unit 26.

The storage unit 22 can be a read only memory unit ROM, an electrically erasable storage unit EEPROM, a flash memory unit FLASH or a solid hard disk.

The processing unit 24 can be a central processing unit (Central Processing Unit, CPU), microcontroller (MCU), data processing chip, or information processing unit with data processing function.

The communication unit 26 is a wireless communication interface with remote wireless communication functions, for example, a communication interface supporting communication technologies such as GSM, GPRS, WCDMA, CDMA, TD-SCDMA, WiMAX, TD-LTE, and FDD-LTE.

The location-based pension management system 20 includes, but is not limited to, a save module 200, an acquisition module 210, a selection module 220, a calculation module 230, a startup module 240, a confirmation module 250, and a transmission module 260. Reference is made to a series of computer program instructions that can be executed by the processing unit 24 of the server 2 and that are capable of performing a fixed function, which are stored in the storage unit 22 of the server 2.

The saving module 200 is configured to save the location information of each Bluetooth receiver 3 in the pension area 1 and the information of the pensioner corresponding to each wearable device 4 in the server 2. In this embodiment, since each Bluetooth receiver 3 is set at a fixed position, the saving module 200 pre-stores the fixed location information where each Bluetooth receiver 3 is located. The information of the pensioner includes information such as name, gender, age, disease history, guardian's name and contact information.

The obtaining module 210 is configured to acquire a signal strength when each Bluetooth receiver 3 is connected to the wearable device 4 worn by the pensioner. The Bluetooth receiver 3 includes a signal detector (not shown). When the Bluetooth receiver 3 is connected to a wearable device 4, the signal detector is configured to detect the wearable device 4 and receive Bluetooth. The signal strength when the device 3 is connected. It should be noted that, in order to save the old person from manually pairing the Bluetooth receiver 3 with the operation of the wearable device 4 worn by the pensioner, the administrator of the pension area 1 can perform the between the Bluetooth receiver 3 and the wearable device 4 in advance. Bluetooth pairing, that is, the Bluetooth receiver 3 pre-records the trust information of each wearable device 4, and automatically connects to the Bluetooth receiver when the wearable device 4 is within the preset range of the Bluetooth receiver 3. 3. Further, in the pension area 1, the distance between the Bluetooth receivers 3 is between 10 and 30 meters, and each Bluetooth receiver 3 supports the Bluetooth 5.0 protocol, and the signal coverage reaches 300 meters, so In this embodiment, it can be ensured that the wearable device 4 has more than three Bluetooth receivers 3 connected thereto at any time.

The selection module 220 is configured to select three Bluetooth receivers 3 that have the strongest signal when connected to the wearable device 4 worn by the pensioner according to the signal strength.

The calculating module 230 is configured to calculate a first location where the pensioner is located according to geographic location information corresponding to the three Bluetooth receivers 3 with the strongest signals.

The manner of calculating the first location of the pensioner according to the geographical location information corresponding to the three Bluetooth receivers 3 with the strongest signal is: log10(PRi)=log10(PTi)-n*log10(ri), i = (1, 2, 3), where PRi is the intensity of the received signal of the i-th Bluetooth receiver 3, PTi is the intensity of the transmitted signal of the i-th Bluetooth receiver 3, and n is related to the surrounding environment The propagation factor, ri is the distance between the i-th Bluetooth receiver 3 and the wearable device 4 worn by the pensioner, wherein the coordinates (xi, yi, zi) are the coordinates of the i-th Bluetooth receiver, the pensioner The position coordinates of the worn wearable device are (x, y, z). It should be noted that since the calculation of the first position is related to the signal strength, the stronger the signal strength, the higher the accuracy, so the three Bluetooth receivers 3 with the strongest signal strength are selected.

Specifically, according to the known positions of the three Bluetooth receivers T1, T2, T3 and the signal strength received by the wearable device 4, the position coordinates (x, y,) of the pensioner can be calculated by using a three-point positioning algorithm. z). The transmitting and receiving signals between the Bluetooth receiver 3 and the wearable device 4 satisfy the following formula: log10(PR)=log10(PT)-n*log10(r), where PR is the strength of the received signal (decibels) PT is the intensity of the transmitted signal (decibel), n is the propagation factor (fixed value) associated with the surrounding environment, and r is the distance between the Bluetooth receiver 3 and the wearable device 4.

It is known that the coordinates of three Bluetooth receivers T1, T2, T3 are (xi, yi, zi), (i = 1, 2, 3), and the first position of the pensioner can wear the coordinates of the device 4 (x, y, z). The signal strengths received by the three Bluetooth receivers T1, T2, and T3 are substituted into a system of equations with three equations: log10(PRi)=log10(PTi)-n*log10(ri), where , i=1, 2, 3. From this, the three-dimensional coordinates of the first position of the pensioner can be calculated.

The activation module 240 is configured to activate the positioning device of the wearable device 4 by the Bluetooth receiver 3 to determine the second location of the pensioner. The positioning device may be, but is not limited to, including a global positioning system (Globe) Positioning System, GPS) A device, or a device that includes a Beidou positioning system module.

The confirmation module 250 is configured to determine an accurate location of the pensioner based on the first location and the second location. In this embodiment, the manner of determining the accurate position of the pensioner according to the first location and the second location is as follows: when the distance between the first location and the second location exceeds a preset distance (eg, At 3 meters), the first position is used as the exact position of the pensioner (relatively, since the first position is calculated using the Bluetooth signal, the accuracy of the first position is higher than the second position calculated by the positioning device using the satellite signal) When the distance between the first location and the second location is less than or equal to the preset distance, the average of the first location and the second location is used as the accurate location of the pensioner.

The sending module 260 is configured to send the location information of the pension manager to the administrator of the pension area 1 to view the location of the monitored pensioner in real time.

The sending module 260 is further configured to: when the wearable device 4 of the old person has low power (for example, the total amount of electricity is less than 20% of the total amount of electricity), send an early warning message to notify the pension manager to wear the wearable for the pensioner. Device 4 is charged. Specifically, when the wearable device 4 presents a low battery prompt, the low battery prompt is sent to any Bluetooth receiver 3 connected to the wearable device 4, and the server 2 receives the low battery prompt transmitted from the Bluetooth receiver. Sending an alert message to notify the pension manager to charge the wearable device 4 worn by the pensioner.

Referring to Figure 4, there is shown a flow chart of a preferred embodiment of the location based pension management method of the present invention. In this embodiment, the location-based pension management method is applied to a server 2, which includes a communication unit 26, a processing unit 24 adapted to implement various instructions, and a storage unit 22 adapted to store a plurality of instructions. The instructions are loaded by the processing unit 24 and perform the following steps:

Step S10: The saving module 200 saves the location information of each Bluetooth receiver 3 in the pension area 1 and the information of the pensioner corresponding to each wearable device 4 in the server 2. In this embodiment, since each Bluetooth receiver 3 is set at a fixed position, the saving module 200 pre-stores the fixed location information where each Bluetooth receiver 3 is located. The information of the pensioner includes information such as name, gender, age, disease history, guardian's name and contact information.

Step S11: The obtaining module 210 acquires the signal strength when each Bluetooth receiver 3 is connected to the wearable device 4 worn by the pensioner. The Bluetooth receiver 3 includes a signal detector (not shown). When the Bluetooth receiver 3 is connected to a wearable device 4, the signal detector is configured to detect the wearable device 4 and receive Bluetooth. The signal strength when the device 3 is connected. It should be noted that, in order to save the old person from manually pairing the Bluetooth receiver 3 with the operation of the wearable device 4 worn by the pensioner, the administrator of the pension area 1 can perform the between the Bluetooth receiver 3 and the wearable device 4 in advance. Bluetooth pairing, that is, the Bluetooth receiver 3 pre-records the trust information of each wearable device 4, and automatically connects to the Bluetooth receiver when the wearable device 4 is within the preset range of the Bluetooth receiver 3. 3. Further, in the pension area 1, the distance between the Bluetooth receivers 3 is between 10 and 30 meters, and each Bluetooth receiver 3 supports the Bluetooth 5.0 protocol, and the signal coverage reaches 300 meters, so In this embodiment, it can be ensured that the wearable device 4 has more than three Bluetooth receivers 3 connected thereto at any time.

Step S12: The selection module 220 selects three Bluetooth receivers 3 with the strongest signal when connected with the wearable device 4 worn by the pensioner according to the signal strength.

Step S13: The calculation module 230 is configured to calculate the first location where the pensioner is located according to the geographic location information corresponding to the three Bluetooth receivers 3 with the strongest signals.

Step S14: The startup module 240 activates the positioning device of the wearable device 4 by the Bluetooth receiver 3 to determine the second location of the pensioner. The positioning device may be, but is not limited to, including a global positioning system (Globe) Positioning System, GPS) A device, or a device that includes a Beidou positioning system module.

Step S15: The confirmation module 250 determines an accurate location of the pensioner based on the first location and the second location. In this embodiment, the manner of determining the accurate position of the pensioner according to the first location and the second location is as follows: when the distance between the first location and the second location exceeds a preset distance (eg, At 3 meters), the first position is used as the exact position of the pensioner (relatively, since the first position is calculated using the Bluetooth signal, the accuracy of the first position is higher than the second position calculated by the positioning device using the satellite signal) When the distance between the first location and the second location is less than or equal to the preset distance, the average of the first location and the second location is used as the accurate location of the pensioner.

Step S16: The sending module 260 sends the location information of the pension manager to the administrator of the pension area 1 to view the location of the monitored pensioner in real time.

Step S17: When the wearable device 4 of the old person has a low power (for example, the total power of the battery is less than 20% is low), the sending module 260 sends an alert message to notify the pension manager to wear the wearer for the pensioner. Device 4 is charged. Specifically, when the wearable device 4 presents a low battery prompt, the low battery prompt is sent to any Bluetooth receiver 3 connected to the wearable device 4, and the server 2 receives the low battery prompt transmitted from the Bluetooth receiver. Sending an alert message to notify the pension manager to charge the wearable device 4 worn by the pensioner.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Industrial applicability

Claims

A location-based pension management system runs on a server, wherein the server is placed in a pension area, and a plurality of Bluetooth receivers are disposed in the pension area, and the server is connected to each Bluetooth receiver, and each The Bluetooth receiver is also pre-paired with a wearable device worn on a pensioner, the location-based pension management system comprising: a saving module for setting location information of each Bluetooth receiver in the pension area and each wearable The information about the aged person corresponding to the device is stored in the server; and the obtaining module is configured to acquire each Bluetooth receiver and the wearer when the three or more Bluetooth receivers are connected with the wearable device worn by the pensioner. a signal strength when the wearable device is connected; a selection module for selecting three Bluetooth receivers having the strongest signal when connected to the wearable device worn by the pensioner according to the signal strength; and a calculation module for The location information corresponding to the strong three Bluetooth receivers calculates the first location of the pensioner a startup module, configured to start, by the Bluetooth receiver, a positioning device of the wearable device to determine a second location of the pensioner; and a confirmation module, configured to determine an accuracy of the pensioner according to the first location and the second location a location; and a sending module, configured to send the location information of the pension manager to an administrator of the pension area to view the accurate location of the monitored pensioner in real time.
The location-based pension management system of claim 1 wherein said positioning device is a device comprising a GPS module or a device comprising a Beidou positioning system module.
The location-based pension management system of claim 1 wherein said determining said accurate location of said pensioner based on said first location and said second location is as follows: said first location and said second location When the distance between the positions exceeds the preset distance, the first position is the exact position of the pensioner; and when the distance between the first position and the second position is less than or equal to the preset distance, the first position is And the average of the second position as the exact location of the pensioner.
The location-based pension management system according to claim 1, wherein the sending module is further configured to: when the wearable device of the pensioner is low in power, send an early warning message to notify the pension manager to wear the pensioner. Wearable devices are charged.
The location-based pension management system according to claim 1, wherein the manner of calculating the first location of the pensioner according to the geographical location information corresponding to the three Bluetooth receivers having the strongest signal is: log10 (PRi)=log10(PTi)-n*log10 (ri),
, i = (1, 2, 3), where PRi is the strength of the received signal of the i-th Bluetooth receiver, PTi is the intensity of the transmitted signal of the i-th Bluetooth receiver, and n is the propagation factor related to the surrounding environment , ri is the distance between the i-th Bluetooth receiver and the wearable device worn by the pensioner, wherein the coordinates (xi, yi, zi) are the coordinates of the i-th Bluetooth receiver, and the pensioner can wear The coordinates of the first position of the wearable device are (x, y, z).
A location-based pension management method is applied to a server, wherein the server is placed in a pension area, and a plurality of Bluetooth receivers are disposed in the pension area, and the server is connected to each Bluetooth receiver, and each The Bluetooth receiver is also pre-paired with the wearable device worn on the pensioner. The location-based pension management method includes the following steps: setting location information of each Bluetooth receiver in the pension area and corresponding to each wearable device The information of the pensioner is stored in the server; when there are three or more Bluetooth receivers connected with the wearable device worn by the pensioner, the signal strength when each Bluetooth receiver is connected with the wearable device worn by the pensioner is obtained. According to the signal strength, three Bluetooth receivers with the strongest signal when connected with the wearable device worn by the pensioner are selected; and the pensioner is calculated according to the geographical location information corresponding to the three strongest Bluetooth receivers a first position; the positioning device of the wearable device is activated by the Bluetooth receiver Determining a second position of the pensioner; determining an accurate location of the pensioner according to the first location and the second location; and transmitting the location information of the pension manager to a manager of the pension area to view the monitoring of the pension in real time The exact location of the person.
The location-based pension management method according to claim 6, wherein the positioning device is a device including a GPS module or a device including a Beidou positioning system module.
The location-based pension management method according to claim 6, wherein the manner of determining the accurate position of the pensioner according to the first location and the second location is as follows: when the first location and the second location When the distance between the positions exceeds the preset distance, the first position is the exact position of the pensioner; and when the distance between the first position and the second position is less than or equal to the preset distance, the first position is And the average of the second position as the exact location of the pensioner.
The location-based pension management method according to claim 6, wherein the location-based pension management method further comprises the step of: sending an early warning message to the pension manager when the wearable device of the pensioner is low in power; Charge the wearable device worn by the pensioner.
The location-based pension management method according to claim 6, wherein the manner of calculating the first location of the pensioner according to the geographical location information corresponding to the three Bluetooth receivers having the strongest signal is: log10 (PRi)=log10(PTi)-n*log10 (ri), , i = (1, 2, 3), where PRi is the strength of the received signal of the i-th Bluetooth receiver, PTi is the intensity of the transmitted signal of the i-th Bluetooth receiver, and n is the propagation factor related to the surrounding environment , ri is the distance between the i-th Bluetooth receiver and the wearable device worn by the pensioner, wherein the coordinates (xi, yi, zi) are the coordinates of the i-th Bluetooth receiver, and the pensioner can wear The coordinates of the first position of the wearable device are (x, y, z).