CN210466671U - Bracelet subsystem applied to old man abnormity tracking of nursing home - Google Patents

Abstract

The utility model discloses a be applied to old man's unusual tracker of asylum for aged, include three-dimensional positioning subsystem, bracelet subsystem and central server at least, three-dimensional positioning subsystem deploys each region of asylum for aged, and the bracelet subsystem is carried by the old man, gathers old man's self healthy data, then transmits central server through wireless communication module. The central server runs upper computer software and client terminal software and is used for receiving data sent by the bracelet, the base station and the camera and analyzing and converting real-time data of the base station to obtain three-dimensional space coordinate data; if an abnormal event occurs, the management software immediately gives an alarm. Adopt the technical scheme of the utility model, can save required manpower of traditional asylum for aged management method and time cost, improve old man's factor of safety, optimize the management service level and the staff work efficiency of asylum for aged, also can provide a safe and auspicious living environment and more humanized environment for old man simultaneously.

Description

Bracelet subsystem applied to old man abnormity tracking of nursing home

Technical Field

The utility model relates to the field of communication technology, especially, relate to a bracelet subsystem that old man that is applied to nursing home was traced unusually.

Background

With the gradual progress of China into the elderly society, endowment becomes a Chinese objection. The rest home, one of the most prominent forms of nursing will certainly assume greater social responsibility. At present, the size of the nursing home is continuously enlarged, the traditional nursing home management mode is difficult to monitor the conditions of each region and each old person, and if the old person is abnormal (falls, falls and is ill, etc.), if the old person does not discover and provide corresponding help in time, serious consequences can be caused, and even the life safety is threatened. Therefore, the existing endowment service has potential management danger and potential safety hazard, and how to improve the management efficiency of an endowment hospital and provide a better endowment service becomes a hot spot of current research.

In order to improve the management efficiency, the facilities of the current nursing home are gradually improved, for example, technologies such as an indoor positioning system, a video monitoring system and an intelligent bracelet are adopted, however, the prior art only simply applies the technologies to the scene of the nursing home, and each system warns respectively, so that no synergistic benefit is formed, and the application requirements of the nursing home in practice cannot be well met. Particularly, as a plurality of obstacles exist in the space of the nursing yard, multipath effect is easily generated in the signal transmission process to influence the positioning accuracy, and a plurality of old people gather to cause certain influence on the identification accuracy, and the traditional positioning mode cannot meet the actual requirement; meanwhile, the number of the old people in one nursing home is dozens to hundreds of the old people, the data transmission and processing capacity is very large, and the response speed of the existing facilities to the abnormal conditions of the old people is low; on the other hand, the prior art is used for the intelligent bracelet of location to only set up triaxial attitude sensor as the discernment of old man's abnormal conditions usually, however, this mode false alarm rate is higher, has increased managers's operating pressure on the contrary.

Therefore, it is necessary to provide a technical solution to overcome the drawbacks of the prior art.

SUMMERY OF THE UTILITY MODEL

To current asylum for aged's management convenient technical problem inadequately, the utility model provides a be applied to asylum for aged's old man's unusual tracker to can optimize the management mode, improve the managerial efficiency.

The utility model provides a technical scheme that its technical problem adopted specifically as follows:

an old man abnormity tracking system applied to a nursing home at least comprises a three-dimensional positioning subsystem, a bracelet subsystem and a central server, wherein,

the bracelet subsystem is used for realizing the monitoring of the abnormal conditions and the positions of the old people and comprises an intelligent bracelet and a mobile terminal, wherein each intelligent bracelet is carried or worn by each old person, and the mobile terminal is wirelessly accessed to a central server; the intelligent bracelet at least comprises a bracelet main control module, a UWB tag, an acceleration sensor and a bioelectrical impedance sensor, wherein the UWB tag is provided with a unique identifier; the acceleration sensor is used for collecting the movement acceleration information of the old, and the bioelectrical impedance sensor is used for collecting the skin electricity information of the old; the intelligent bracelet and the mobile terminal are in data transmission in a wireless mode, and then the acquired sensor information is sent to the central server;

each regional space of the nursing home is provided with a three-dimensional positioning subsystem, and the three-dimensional positioning subsystem at least comprises four base stations, wherein one base station is a main base station, and the rest base stations are auxiliary base stations; the base stations are fixedly arranged and cover the whole space, wherein at least three base stations are positioned on the same horizontal plane, and at least one base station is arranged outside the plane and close to the ceiling area; the base station at least comprises a base station main control module and a UWB ranging module, and the UWB ranging module is used for measuring the end-to-end distance;

any three base stations form a ranging unit for measuring the distance between the base stations and the distance between the UWB tag and each base station, acquiring the initial position information of the UWB tag through a trilateration algorithm, and acquiring the position information of the UWB tag through calculation according to a plurality of initial position information acquired by a plurality of ranging units; the position information of the UWB tag at least comprises plane position information and height information;

the master base station is connected with a central server and is used for sending the position information of the UWB tag to the central server;

the central server is used for processing the acquired sensor information of the intelligent bracelet and the position information of the UWB tag in real time so as to judge whether the old people have abnormal conditions.

In the technical scheme, the UWB tag positioning is realized through UWB three-dimensional positioning, the positioning precision is improved, and meanwhile, the abnormal false alarm rate is effectively reduced by acquiring the space height of the tag and taking the space height as one of important parameters for abnormal judgment.

Meanwhile, the bioelectrical impedance sensor is used as one of important parameters for judging the abnormality, so that the accuracy of abnormality detection is improved.

Further, the utility model discloses the framework realizes the transmission of locating information and sensing information respectively through two independent data channel to data transmission pressure can effectively be alleviated.

Additionally, the utility model discloses a mobile terminal realizes the data transmission of intelligent bracelet and central server to can effectively reduce the consumption of intelligent bracelet, make it have longer standby time.

As a preferred technical solution, the mobile terminal further includes a network communication module, and the master base station accesses the central server through the network communication module.

As an optimal technical scheme, the mobile terminal is an intelligent mobile phone, and data transmission is performed between the intelligent bracelet and the mobile terminal in a Bluetooth mode.

As an optimal technical scheme, an APP program is arranged in the mobile terminal and used for recording sensor information of a corresponding intelligent bracelet in real time so that the old can look up and know physical conditions at any time.

As a preferred technical scheme, the base station is 0.5-1 meter away from the wall and 2-3 meters away from the ground.

As the preferred technical scheme, the intelligent bracelet further comprises an optical heart rate sensor, and the optical heart rate sensor is used for collecting heart rate signals of the old.

As a preferred technical scheme, the smart band further comprises a feedback button, and the feedback button is used for sending alarm information to the central server when the abnormal condition of the old people occurs or sending feedback information to the central server when the prompted alarm notification is wrong.

Through the setting of feedback button, can further improve the response speed of abnormal situation and avoid unusual false alarm time human resource's waste.

As a preferable technical scheme, the bioelectrical impedance sensor utilizes LM4041 and LMP2231 elements to measure the resistance change of the skin so as to obtain the skin electrical information.

The system comprises a central server, a monitoring mobile terminal and a family member, wherein the central server is used for remotely accessing the monitoring mobile terminal, and the monitoring mobile terminal is used for acquiring data information of corresponding old people in real time so that the family member can know the condition of the old people in a nursing home at any time.

As a preferred technical solution, the three-dimensional positioning subsystem further includes a camera, and the camera is configured to record monitoring video information of the area, and when an abnormal situation occurs, the camera turns to and records a scene of an abnormal position, so that a manager can know the abnormal situation in time and handle the abnormal situation in time.

The utility model discloses beneficial effect as follows:

adopt the technical scheme of the utility model, can be with UWB location data, bracelet health data and camera monitoring data transmission to central server to real-time update. The management personnel can inquire the label that the old man carried through the management software at terminal, know old man's coordinate information in real time to can call camera monitoring data and know old man's activity information. When the old people are abnormal, the management software sends an alarm in time to remind the manager to take emergency measures in time. The management method saves the manpower and time cost required by the traditional nursing home management method, improves the safety factor of the old people, optimizes the management service level and the working efficiency of the staff of the nursing home, and can provide a safe and peaceful living environment and a more humanized nursing environment for the old people.

Drawings

Fig. 1 is a block diagram of the system architecture of the present invention.

Fig. 2 is a schematic structural view of the three-dimensional positioning subsystem of the present invention.

Fig. 3 is the structural schematic diagram of the middle bracelet subsystem of the present invention.

Fig. 4 is a schematic diagram of the structure of the middle base station of the present invention.

Fig. 5 is a schematic diagram of the middle smart bracelet structure of the present invention.

Fig. 6 is a system architecture diagram of another embodiment of the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

In the application environment of the nursing home, the old people can cause the shielding phenomenon because of surrounding people or objects when moving or sitting still, and the precision of video identification is influenced. When a plurality of old people gather, the recognition accuracy is influenced to a certain extent. Meanwhile, it is impossible for a manager to take care of each old man in each corner, thereby bringing about potential management danger and potential safety hazard.

Therefore, the utility model discloses framework one kind and be applied to old man's unusual tracker in asylum for the aged, establish one set of indoor positioning system and camera monitored control system for the old man is unusual (tumbles, the morbidity etc.) information data collects and the analysis, can be applied to asylum for the aged or other similar environment. The following first introduces some prior arts adopted in the present invention.

Firstly, the development of technology gradually increases the demand of high-precision wireless positioning in various social circles. Compared with the outdoor positioning technology, the indoor positioning technology has some similarities, but the indoor environment is complex, the positioning environment is severe, the indoor space is generally small, and the serious multipath effect and reflection phenomenon exist, so that the robustness of the corresponding indoor positioning algorithm to various errors is required to be strong. Ultra Wide Band (UWB) is a new radio communication technology with a great prospect of development, which has been considered as one of ten major technologies for future communication. The ultra-wideband has extremely large bandwidth and can realize short-distance high-speed data transmission. The method has high time resolution, strong multipath fading resistance and great attention in high-precision ranging and positioning.

On the other hand, video surveillance is widely used in airports, banks, train stations and other places sensitive to safety requirements, but its function is very limited because it usually records the output result of a camera, and after an abnormal condition (such as vehicle theft in a parking lot) occurs, a security guard observes the occurrence fact through the recorded result, but it is often too late. And intelligent monitoring system then can carry out automatic analysis to the video data that the camera was caught, when unusual action takes place, the system can in time be perceived and send the police dispatch newspaper to the security personnel to avoid the emergence of crime, also can save a large amount of manpowers, material resources and financial resources simultaneously. It can be said that video-based human motion recognition is a hot problem in the field of computer vision. The technology can be seen to be applied to the nursing home to greatly improve the safety of the old.

With the development of wireless network technology, it provides convenience to people in more and more aspects. The Bluetooth technology is an advanced wireless network technology at present, can replace a cable to connect a computer and communication equipment in a certain range on the basis of low-cost short-distance wireless link, realizes quick interconnection among different equipment, and is mainly suitable for mobile equipment and portable equipment with low data transmission rate requirements. Current bluetooth technology has been applied not only to WPANs but also to bluetooth that is a "triple-play" that integrates IEEE 802.15.1 legacy bluetooth, IEEE 802.11 physical layer and MAC layer, and Wibree standard.

In the prior art, the infrastructure of the nursing home also adopts the technology, but generally the system is only a simple set, each system still operates independently, and no synergistic effect is formed, so that the operation efficiency, the response time and the detection precision of the system are required to be further improved.

Referring to fig. 1, it is shown that the utility model relates to a be applied to old man's unusual tracker's of asylum for aged system architecture block diagram includes three-dimensional positioning subsystem, bracelet subsystem and central server at least, deploys each region of asylum for aged with these three-dimensional positioning subsystems, and the bracelet subsystem is carried by the old man, gathers old man's self healthy data, then transmits central server through wireless communication module. And the central server runs upper computer software and client terminal software, the upper computer is used for receiving data sent by the bracelet, the base station and the camera, analyzing and converting real-time data of the base station to obtain three-dimensional space coordinate data, and storing the three-dimensional space coordinate data into a local database. The client terminal can extract data in the database in real time by using management software, and can watch monitoring videos and display position information of the old people on the software. And the health information of the old can be checked in real time, and if an abnormal event occurs, the management software immediately gives an alarm.

The bracelet subsystem is used for realizing monitoring of abnormal conditions and positions of the old people, and is shown in a structural block diagram of the bracelet subsystem as shown in fig. 3, and comprises an intelligent bracelet and a mobile terminal, wherein the intelligent bracelet is carried or worn by each old person and is used for collecting health information of the old person in real time, and the mobile terminal is wirelessly accessed to a central server; the mobile terminal is integrated with a wireless communication module and is used for accessing the central server in a WIFI or 4G mode;

in a preferred embodiment, the mobile terminal is a smart phone, and the smart band and the mobile terminal are both provided with a bluetooth communication module to perform data transmission in a bluetooth manner.

In a preferred implementation mode, the mobile terminal is provided with an APP program, the number of the old man is added to the data, the APP program is used for recording the sensor information of the corresponding intelligent bracelet in real time so that the old man can look up and know the physical condition at any time, and meanwhile, the APP program transmits the data to the central server through the wireless communication module.

Referring to fig. 5, a structural block diagram of the smart bracelet of the present invention is shown, which at least includes a bracelet main control module, a UWB tag, an acceleration sensor and a bioelectrical impedance sensor, wherein the UWB tag has a unique identifier; the acceleration sensor is used for collecting the movement acceleration information of the old, and the bioelectrical impedance sensor is used for collecting the skin electricity information of the old; data transmission is carried out between intelligent bracelet and the mobile terminal with wireless mode, and then sends the sensor information of its collection to central server.

In a preferred embodiment, the smart bracelet further comprises an optical heart rate sensor, and the optical heart rate sensor is used for collecting heart rate signals of the elderly.

In a preferred embodiment, the smart band further comprises a feedback button, and the feedback button is used for sending alarm information to the central server when an abnormal condition of the elderly occurs or sending feedback information to the central server when the prompted alarm notification is wrong. If the old person can not click the button under the conditions of shock, fall or serious illness, incapability of action and the like, judging whether an abnormal condition occurs or not according to the information such as the skin electricity information and the movement acceleration information.

Through the setting of feedback button, can further improve the response speed of abnormal situation and avoid unusual false alarm time human resource's waste.

In a preferred embodiment, the bioelectrical impedance sensor obtains electrodermal information by measuring changes in the electrical resistance of the skin using LM4041 and LMP2231 elements. The skin electrical information is an emotional physiological index of a human body, and under abnormal conditions, the information is inevitably changed greatly; for example, the change of the emotion is large, which inevitably corresponds to the fact that the emotion of the old is fluctuated, and the old has great probability of falling down, epilepsy, heart disease and other abnormalities. In the prior art, only the movement acceleration information is adopted to judge whether the abnormality occurs, however, the movement acceleration information only reflects the motion state of the old, and cannot effectively reflect whether the abnormality occurs. The utility model discloses a judgment standard that skin electrical information and removal acceleration information regard as unusual detection jointly to the detection precision of abnormal state has been improved greatly.

Each regional space of the retirement home is provided with a three-dimensional positioning subsystem, which is shown in fig. 2 and is a system structure block diagram of the three-dimensional positioning subsystem, and the system structure block diagram at least comprises four base stations, wherein one base station is a main base station, and the rest base stations are auxiliary base stations; the base stations are fixedly arranged and cover the whole space, wherein at least three base stations are positioned on the same horizontal plane, and at least one base station is arranged on the ceiling; the base station arrangement should cover the entire space as widely as possible and the base station should be 0.5-1 meter from the wall and 2-3 meters from the ground. Once installed, the base station is fixed in position. The main base station is used for collecting all the label information and other base station information, then the distance between a base station i and a base station j (i is more than or equal to 0 and less than or equal to j and less than or equal to 3) and the distance between a base station m and a label n (m is more than or equal to 0 and less than or equal to 3 and n is more than or equal to 0) are obtained through real-time calculation of the measurement data, and the measurement result is output to the server through the network.

Any three base stations form a ranging unit, the ranging unit is used for measuring the distance between the base stations and the distance between the UWB tag and each base station, the primary position information of the UWB tag is obtained through a trilateration algorithm, and the position information of the UWB tag is obtained through calculation through a plurality of primary position information obtained by the ranging units; the position information of the UWB tag includes at least planar position information and altitude information.

Referring to fig. 4, a system implementation structure diagram of a base station is shown, and the system implementation structure diagram at least includes a base station main control module and a UWB ranging module, where the UWB ranging module is used to measure an end-to-end distance; the LED display device also comprises a power module, an LED indicating module, a reset circuit and the like. The base station main control module can read data collected by the UWB ranging module, the UWB ranging module can measure the distance between the end and the opposite end, and the main base station is connected with the central server and used for sending the position information of the UWB tag to the central server; the LED indicating module can display the current working state of the module, and the reset circuit provides an initialization function under the condition of system abnormity.

The central server is used for processing the acquired sensor information of the intelligent bracelet and the position information of the UWB tag in real time so as to judge whether the old man is in an abnormal condition or not, and reading the position information of the UWB tag in the database and prompting the old man in time when the old man is in the abnormal condition.

In the technical scheme, the UWB tag positioning is realized through UWB three-dimensional positioning, the positioning precision is improved, and meanwhile, the abnormal false alarm rate is effectively reduced by acquiring the space height of the tag and taking the space height as one of important parameters for abnormal judgment.

Meanwhile, the bioelectrical impedance sensor is used as one of important parameters for judging the abnormality, so that the accuracy of abnormality detection is improved.

Further, the utility model discloses the framework realizes the transmission of locating information and sensing information respectively through two independent data channel to data transmission pressure can effectively be alleviated.

Additionally, the utility model discloses a mobile terminal realizes the data transmission of intelligent bracelet and central server to can effectively reduce the consumption of intelligent bracelet, make it have longer standby time.

In a preferred embodiment, the system further comprises a network communication module, and the master base station accesses the central server through the network communication module.

In a preferred embodiment, referring to fig. 6, the system architecture block diagram of another embodiment of the present invention is further comprised of a monitoring mobile terminal, which remotely accesses to the central server and obtains data information of the corresponding elderly in real time, so that the family members or guardians can remotely know the condition of the elderly in the nursing home at any time.

In a preferred embodiment, the three-dimensional positioning subsystem further comprises a camera, the camera and the base station are installed in a matching manner, and the camera and the base station send a video stream to the central server for storage in real time through the network communication module. The camera is used for recording monitoring video information of the area, and when an abnormal condition occurs, the camera turns to and records a scene of an abnormal position so that a manager can know the abnormal condition in time and process the abnormal condition in time.

The above description of the embodiments is only intended to help understand the method of the present invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. A bracelet subsystem applied to old people abnormal tracking of a nursing home is characterized by comprising an intelligent bracelet and a mobile terminal, wherein each intelligent bracelet is carried or worn by each old person, and the mobile terminal is wirelessly accessed to a central server; the intelligent bracelet at least comprises a bracelet main control module, a UWB tag, an acceleration sensor and a bioelectrical impedance sensor, wherein the UWB tag is provided with a unique identifier; the acceleration sensor is used for collecting the movement acceleration information of the old, and the bioelectrical impedance sensor is used for collecting the skin electricity information of the old; data transmission is carried out between intelligent bracelet and the mobile terminal with wireless mode, and then sends the sensor information of its collection to central server.

2. The bracelet subsystem for elderly people abnormal tracking in nursing home according to claim 1, wherein the mobile terminal is a smart phone, and data transmission is performed between the smart bracelet and the mobile terminal in a Bluetooth manner.

3. The bracelet subsystem applied to elderly people abnormal tracking in nursing homes according to claim 1 or 2, wherein the mobile terminal is used for recording sensor information of a corresponding smart bracelet in real time so that elderly people can look up the sensor information at any time.

4. The bracelet subsystem for elderly people abnormal tracking for nursing homes according to claim 1 or 2, wherein the smart bracelet further comprises an optical heart rate sensor for collecting heart rate signals of elderly people.

5. The bracelet subsystem for elderly people exception tracking for nursing homes according to claim 1 or 2, wherein the smart bracelet further comprises a feedback button for sending alarm information to the central server when an elderly people exception occurs or sending feedback information to the central server when the prompted alarm notification is incorrect.

6. The bracelet subsystem for elderly people abnormal tracking applied in nursing homes according to claim 1 or 2, characterized in that the bioelectrical impedance sensor obtains electrodermal information by measuring skin resistance changes using LM4041 and LMP2231 elements.

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