CN106251584B - Multifunctional intellectual swimming bracelet and swimming state monitoring device and method - Google Patents
Multifunctional intellectual swimming bracelet and swimming state monitoring device and method Download PDFInfo
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- CN106251584B CN106251584B CN201610897872.1A CN201610897872A CN106251584B CN 106251584 B CN106251584 B CN 106251584B CN 201610897872 A CN201610897872 A CN 201610897872A CN 106251584 B CN106251584 B CN 106251584B
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/08—Alarms for ensuring the safety of persons responsive to the presence of persons in a body of water, e.g. a swimming pool; responsive to an abnormal condition of a body of water
- G08B21/088—Alarms for ensuring the safety of persons responsive to the presence of persons in a body of water, e.g. a swimming pool; responsive to an abnormal condition of a body of water by monitoring a device worn by the person, e.g. a bracelet attached to the swimmer
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
- A61B5/02438—Detecting, measuring or recording pulse rate or heart rate with portable devices, e.g. worn by the patient
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1118—Determining activity level
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/681—Wristwatch-type devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
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Abstract
The present invention provides a kind of multifunctional intellectual swimming bracelet and swimming state monitoring device and method.Mainly include multifunctional intellectual swimming bracelet, wireless nodes, server and monitor terminal.The intelligent swimming bracelet includes sensor assembly, communication control module, vibrating motor module, loudspeaker module, handle module, contains liquid module and display module.The server includes analysis module and memory module.The monitor terminal includes computer or mobile client.The swimming bracelet and monitor terminal are connected by wireless nodes with server.The swimming bracelet is worn by user and lifeguard, and the friend relation between bracelet must be uploaded to the memory module of the server before swimming is started.If user encounters the emergencies such as cramp during swimming, the handle module on swimming hand ring can be pulled open outward, sends out active distress signal.It contains liquid module to open, a kind of harmless super concentrated liquid with bright-colored is discharged, to cause the attention of people around.
Description
Technical field
The present invention relates to the exception monitoring during swimming and modes of actively crying for help, and specifically include a kind of multifunctional intellectual trip
Swimmer's ring and swimming state monitoring device and method.
Background technology
Swimming is a systemic sports, is known as the laudatory title of " king of movement ".This mainly has benefited from swimming can
Avoid regular motion that from may being damaged caused by human synovial, and benefit is the more.Swimming needs people in water ceaselessly
It stretches, roll up, turning round, water repellent etc., the expanding-contracting action repeated can help to improve flexibility and the flexibility of body, need simultaneously
The Coordinating Muscle at each position is exerted oneself so that whole-body muscle can be taken exercise.At the same time, swimming can improve the spirit of people
State helps people to alleviate daily job and life stress.Therefore swimming will be widely welcomed by people, be increasingly becoming body-building
One of best item.It lives in modern metropolitan cities, we often select public natatorium to swim.However.In the stream of people
Measure in natatorium larger, that discrimination is relatively low, if drowned or emergency occurs for swimmer, lifeguard possibly can not first when
Between obtain information and making and timely judge, miss best rescue opportunity.
As people are to the growing interest of problems, there is some relevant products and patent, such as CN
104517410 A (a kind of intelligence prevents drowned system and method), 104484654 A of CN (are determined based on pattern-recognition and fingerprint matching
The anti-drowned recognition methods of position algorithm), 205022830 U of CN (wrist type inflatable resuscitation device), 104537273 A (one of CN
The drowned pattern intelligent inference system and method for kind) etc..In the above product and patent, their some be provided with emergency button with
Fast trip alarm function, and pass through loud speaker or flash lamp outwardly sends out alarm, some to air bag by being quickly filled with gas
For body to achieve the purpose that floating, some judges whether swimmer abnormal conditions etc. occurs using the sport video of swimmer.However
It is seen that：They using effect, flexibility, to many aspects such as the adaptability of environment there are problems, for example, emergency
The setting of button can not be avoided the problem that accidentally touching, accidentally be pressed well；Sound and the alarm form of flash of light are in the noisy ring in natatorium
It is difficult to attract much attention in border；The physical trait difference of some users is little when being judged using sport video, causes
Result precision is more low.Therefore, these products and patent are not ideally suited for natatorium and similar swimming environment
In.
Invention content
For solve the above-mentioned prior art can not in time, the abnormal conditions of accurate judgement swimmer, best rescue may be missed
The problems such as type of alarm of opportunity, user when being abnormal situation is protected from environmental larger, the present invention provide a kind of more work(
Energy intelligent swimming bracelet and swimming state monitoring device and method, mainly include intelligent swimming bracelet, wireless nodes, server
And monitor terminal.
Multifunctional intellectual swimming bracelet of the present invention is realized using following scheme：A kind of multifunctional intellectual swimming
Bracelet, including wrist strap annular in shape；The wrist strap is equipped with sensor assembly, communication control module, display module, vibrating motor
Module and/or loudspeaker module and the power supply to above-mentioned module for power supply；It is connected simultaneously between communication control module and modules
It is communicated with outside；The sensor assembly includes 3-axis acceleration sensor, gyroscope, heart rate sensor and blood pressure sensing
Device；Wherein heart rate sensor and blood pressure sensor is located at the inside of wrist strap to be close on the inside of the wrist of swimmer；Three axis accelerate
Degree sensor, gyroscope, communication control module, vibrating motor module and/or loudspeaker module and power supply are built in wrist strap
It is internal；Display module is located on the outside of wrist strap.
Further, liquid module and handle module are contained there are one being set on wrist strap outside；The Sheng liquid module includes one one
The liquid-holding pipe of end opening；The handle module includes one and is fastened on liquid-holding pipe and is realized between liquid-holding pipe close by rotation
The handle of envelope；One end that liquid-holding pipe is equipped with opening is extended in the front end of handle, is equipped with below the front end of handle and is open with liquid-holding pipe
The sealing liquid valve of matching is used to implement the sealing of liquid-holding pipe；The end rotation of handle is located at liquid-holding pipe and does not set on one end of opening；It contains
Liquid pipe is internally provided with the built-in air pressure sensor communicated with communication control module；Built-in air pressure sensor is supplied by power supply
Electricity；Equipped with colored liquid inside liquid-holding pipe, it is additionally provided with to add in air and which is provided with the supercharging of lid on liquid-holding pipe tube wall
Mouthful；The handle to rotation on the outside of wrist strap by realizing the release of colored liquid.
If user encounters the emergencies such as cramp during swimming, the handle mould on swimming hand ring can be pulled open outward
Block sends out active distress signal.The bracelet can open contain liquid module, release it is a kind of it is with bright-colored, easily spread it is harmless
Super concentrated liquid, to cause the attention of people around.
Further, communication control module is also equipped with the study button being located on the outside of wrist strap and checks button.
Further, it is additionally provided with radio-frequency module on wrist strap.It can be used for swimming place and hall and switch corresponding locker.
Swimming state monitoring device of the present invention adopts the following technical scheme that realization：A kind of monitoring swimming state
Device, including server, monitor terminal and multiple multifunctional intellectuals swim bracelet；The multifunctional intellectual swimming bracelet
Communication control module is communicated by wireless nodes and server, and server is communicated by wireless nodes and monitor terminal.
Swimming state monitoring method of the present invention adopts the following technical scheme that realization：A kind of monitoring swimming state
Method, include the following steps：First, the multifunctional intellectual for being worn the multidigit for having friend relation swimming user and lifeguard
The identifier of swimming bracelet is deposited in the database table of server, so that server is monitoring that a certain user is abnormal
When, quickly uniformly alarm signal is sent out to the user；
2nd, a certain user sets multifunctional intellectual and swims bracelet as mode of learning first, starts to learn, multifunctional intellectual trip
Swimmer's ring will constantly acquire the exercise data of the user, and pass through wireless nodes and be sent to server, and server will receive
Data are preserved to memory module；Detailed process is as follows：
Sensor assembly constantly acquires the exercise data of the user with Δ t seconds for sampling time interval, and each group of data are equal
The acceleration information information in three directions when using a certain stroke including the user；In data acquisition, communication control is called
Module sends data to server；Communication control module with C seconds for interval, by sensor assembly in C seconds collected C/
Δ t groups data are packaged, and are passed through the wireless nodes being connected to and be sent to server and stored；Wherein C is the integer of Δ t
Times；After a certain stroke learns, determine to start the study of next stroke according to actual conditions or complete to learn；
Stroke used in the learning process each time of Server Default user is different from, and i represents used by a user
I-th kind of stroke, 1≤i≤k, k are that user needs to learn the number of stroke；
The multifunctional intellectual swimming collected one group of data of bracelet are represented by
WhereinIt represents in tmThe acceleration of i-th kind of stroke of moment,It is illustrated respectively in tmMoment i-th
Output valve of the 3-axis acceleration sensor of kind stroke on tri- directions of x, y and z；
It represents the time series data of collected i-th kind of stroke in learning process, is represented by：
3rd, server is according to collected data real-time in more than learning process, according to swimming exercise physiology rule, really
Fixed i-th kind of stroke period windows value range, while in view of swimmer's individual difference, determined according to the similarity of multi-group data
Period windows TiSize, and obtain i-th kind of stroke in a cycle TiMean motion rule αi：
Wherein, Δ t is the sampling time interval of sensor assembly, and int (*) represents bracket function；
Period of motion T of the server by user under a variety of strokesiAnd characteristics of motion αiIt is preserved, and as mark
Quasi-mode；
If the 4, having completed to learn, user closes the mode of learning of multifunctional intellectual swimming bracelet, and user enters normal
Swimming state, hereafter multifunctional intellectual swimming bracelet is by the time series data of continuous acquisition user, and passes through wireless nodes and be sent to
Server；The time series data received is preserved to memory module and analyzed it by server；Concrete operating principle is as follows：
Using time series data clustering algorithm, cluster number is the stroke number k of user's study, and class center is the characteristics of motion of k stroke
αi(1≤i≤k)；According to the periodic T of a variety of strokes obtained in mode of learningiA measurement period window can be acquired
T, T=max { Ti, using sliding window technique, i.e., measurement period window is placed on to the initial position of time series, is measured at this time
Length is a cross-talk sequence of T in period windows corresponding sequence, and then measurement period window moves back, then second with sequence
Point is starter unit, forms the subsequence that another length is T；The rest may be inferred, can obtain (C/ Δ t-T+1) a length altogether
For the time subsequence of T, then to the time subsequence of formation and characteristics of motion αiSimilarity is calculated one by one；Selected similarity measurements
After amount, and according to presetting similarity threshold, you can determine (C/ Δ t-T+1) a time subsequence and all kinds of center αiPass
System；If the similarity of multiple subsequences is both greater than threshold value, merger is chosen to the class of similarity maximum；If similarity is below threshold
Value, then the data are unable to be preserved in merger to learning process any kind, then it is drowned or different to think that user may occur
Often；
If the 5, server judges that user is in drowned state or is abnormal situation, to user good friend and can rescue immediately
The resiurce of student wears multifunctional intellectual swimming bracelet and sends out alarm signal；Multifunctional intellectual swimming bracelet is being received from server
Alarm signal after, vibrating motor module and/or loudspeaker module will be called to send out alarm signal, while multifunctional intellectual is swum
The location information got from server can be shown to user good friend and lifeguard by the display module of bracelet.
Server simultaneously also acquire user heart rate, blood pressure and underwater penetration, once above-mentioned three item data have it is any one
Item is more than preset threshold value, then sends out alarm signal immediately.
When user's consciousness faces a danger or knots, the handle module in multifunctional intellectual swimming bracelet, hair are pulled open outward
Go out active distress signal, contain liquid module at this time and be opened, discharge a kind of harmless hyper-concentration liquid with bright-colored, easily spreading
Body, meanwhile, built-in air pressure sensor is transmitted to server by communication control module by liquid mould pressure signal in the block is contained,
Server obtains user conclusion on the line by making comparisons with pre-set threshold value, to the user good friend and
Lifeguard sends alarm signal at the first time.
The server includes analysis module and memory module.The monitor terminal includes computer or mobile client.Institute
It states swimming bracelet and monitor terminal is connected by equal wireless nodes with server.The swimming bracelet is worn by user and lifeguard
It wears, and the friend relation between bracelet must be uploaded to the memory module of the server before swimming is started.
Wherein, the sensor assembly in the swimming bracelet can constantly acquire environmental parameter, user's sign, motion state etc.
Data, and communication control module is called to be sent to server.The data received are stored in memory module and called by server
Analysis module is analyzed and is handled to data.There are various strokes and action to have periodic feature in view of swimming, thus
Analysis module uses time series data clustering method, and each stroke characteristics of motion obtained using the study stage is cluster centre, with difference
As similarity, (specific method for measuring similarity is shown in Xiamen University doctor in 2008 to the concurrent frequency of similar events between time series
Paper, Jin Liurui, Functional data analysis method and application study, chapter 5), the state that will be unable to merger to each stroke defines
For unusual condition.If the analysis module of server judges that user is in drowned state or is abnormal situation, immediately to user
Good friend and lifeguard wear bracelet and send out alarm signal.
Meanwhile user good friend and lifeguard wear bracelet and will receive the alarm signal from server immediately.
In the sensor assembly, 3-axis acceleration sensor and gyroscope are used to perceive the motion state data of user,
Including obtaining about the real-time 3-axis acceleration of bracelet coordinate system and angular acceleration, output is about mark after Quaternion Method is handled
The 3-axis acceleration numerical value of the user of conventional coordinates, in favor of the objective motion state for uniformly judging user；Heart rate sensor
It is used to perceive the sign data of user with blood pressure sensor, including heart rate and blood pressure；Pressure sensor is used to perceive environmental parameter,
The current underwater penetration of user can be calculated according to the pressure value that pressure sensor provides；Pressure transducer contains liquid for monitoring
Gas pressure intensity in pipe.The collected data of sensor assembly institute will be sent to server by communication control module.
The communication control module includes the communication nodes being connected with the wireless nodes and microcontroller, main negative
Duty coordinates the data and signal transmission and the processing to signal between work between modules, swimming bracelet and server.
The collected data of sensor assembly are sent to server, and receiving from service by communication control module with certain frequency
After the alarm signal of device, it is responsible for making a series of response to this signal.In the swimming bracelet, the signal of communication control module
Input terminal includes sensor assembly, handle module, contains liquid module and display module, signal output end include vibrating motor module,
Loudspeaker module and display module.
The signal output end of vibrating motor module and loudspeaker module as communication control module, is used to implement alarm work(
Energy.The communication control module of bracelet calls the vibration of vibrating motor module immediately after the alarm signal from server is received
Bracelet is to cause the concern of user good friend and lifeguard.If user good friend is in surface condition at this time, meeting while vibrating bracelet
The audio file for calling loudspeaker module played pre-recorded good, such as " your * * * good friends may be abnormal situation, please give
With concern " etc., to cause higher attention.
Handle module and Sheng liquid module have provided function of actively crying for help to the user.The Sheng liquid module for it is detachable, can be more
It changes, repeat filling, uncorruptible liquid-holding pipe.It is a certain amount of for being filled with into liquid-holding pipe with boost port on liquid-holding pipe
Gas, to increase its internal gas pressure intensity.Air pressure sensor built in liquid-holding pipe, for monitoring the gas pressure in liquid-holding pipe
By force.The handle module is connected with the valve of liquid-holding pipe.User encounters cramp when emergencies, can firmly pull open outward
Handle on bracelet, a kind of harmless super concentrated liquid with bright-colored, easily spread can be discharged by containing liquid module, around causing
The attention of people.
It is different from patent of the application publication number for 104517410 A of CN (a kind of intelligence prevents drowned system and method), this hair
The bright middle type of alarm realized using vibrating motor module, loudspeaker module, handle module and Sheng liquid module is more rationally.
In the case where the flows of the people such as natatorium are larger, environment is noisy, the alarm form of sound and flash of light is more difficult to be attracted much attention,
If user is in submerged condition at this time, the effect of alarm will have a greatly reduced quality.And the vibration user good friend that the present invention uses
And lifeguard wears the alerting pattern of bracelet, the bright-coloured liquid of release, can be done caused by alarm signal to avoid environmental factor
It disturbs, there is preferable using effect.It is asked in addition, the setting for button of crying for help in foregoing invention can not avoid accidentally touching well, mistake is pressed
Topic, and the handle module that the present invention designs has fully taken into account the behavior of user in use, with what is pulled open outward
Mode, which is opened, can preferably avoid the above problem.
The display module mainly includes touch screen and touch detection component, for showing current time, good friend in danger position
Put and contain the information such as gas pressure intensity in liquid module, setting dependent thresholds etc..Display module can the continuously display current time in system.With
Family good friend and lifeguard wear bracelet communication control module receive the alarm signal from server after, meeting while alarm
Display module is called, the location information of the user got from server is shown to user good friend and lifeguard.
The swimming bracelet is battery powered and with water-proof function.
Swimming external two buttons of bracelet, the Show Button and study button.The function of the Show Button is as follows：By primary
It shows current kinetic situation, grading information is beaten including swimming distance, calorie consumption, stroke；Continuously by showing liquid-holding pipe twice
In amount of liquid and pressure information.The function of learning button is as follows：By primary, into the learning state of certain stroke；Continuously press
Twice, stop the study of this kind of stroke；It repeats the above process, it is possible to complete the study of a variety of stroke characteristics of motion.Learning
Period in, user needs, according to the swimming custom of oneself and the stroke grasped, to carry out data inputting respectively.Server meeting
The data received within time period are stored in memory module, and determine periodicity according to time window according to different strokes
Mean motion rule and in this, as mode standard.
It is a kind of the special of 104537273 A of CN (drowned pattern intelligent inference system and method) to be different from application publication number
Profit judges whether user drowns using graders such as decision trees, and this method needs each item data that a priori user drowns defeated
Enter to grader and learnt, otherwise will be unable to distinguish and whether drown.Since swimming data are a sequential changed over time
The type data can not be effectively treated using sorting algorithms such as traditional decision trees in data；In addition sorting algorithm needs to obtain in advance
Divided all kinds of data are taken, but how to obtain user's every data target of drowning in advance is one extremely difficult and be difficult to realize
Thing.Thus, the present invention is using time series data clustering algorithm, without obtaining drowned data in advance, with input by user various
Stroke number is cluster number, and using the mode standard of each stroke of user as cluster centre, the swimming time series data received is adopted
Sliding window technique is taken, and the cluster centre formed with each stroke calculates similarity.If the data can be using merger as certain one kind
In, illustrate that user may use the stroke at this time；If the data can not be in merger to any sort, the current posture of user is therewith
The stroke of preceding study is not close, is likely encountered potential danger.
Further, after user wears bracelet and enters swimming pool, the location of server meeting real-time update user, and
It is shown in monitor terminal.By monitor terminal, natatorium administrator is recognized that personnel amount, distribution feelings in current venue
Condition, congested conditions etc., convenient management and maintenance to natatorium.The method for monitoring indoor user position is known technology,
It can be achieved there are many method.
Preferably, can be that bracelet adds radio-frequency module.When being swum in public natatorium, for the protection personal effects
Safety, needs the key of personal effects locker or common bracelet.Therefore, use for the convenience of the user, can be on bracelet
Radio frequency unlocking function is added, is realized using radio-frequency technique closely to the unlock of article storing compartment, so as to the Intelligent bracelet that will swim
It is organically combined with locker key.
Server simultaneously also acquire user heart rate, blood pressure and underwater penetration, once above-mentioned three item data have it is any one
Item is more than preset threshold value, then sends out alarm signal immediately.
When user feels to face a danger, the handle module in multifunctional intellectual swimming bracelet is pulled open outward, is sent out actively
Distress signal contains liquid module and is opened, discharges a kind of harmless super concentrated liquid with bright-colored, easily spreading at this time, meanwhile,
Built-in air pressure sensor is transmitted to server by communication control module by liquid mould pressure signal in the block is contained, and server leads to
It crosses and makes comparisons with pre-set threshold value, obtain user conclusion on the line, to the user good friend and lifeguard
One time sent alarm signal.
Description of the drawings
Fig. 1 is the connection structure of the swimming state monitoring device of the present invention for including multifunctional intellectual swimming bracelet
Schematic diagram.
Fig. 2 is the structure diagram of multifunctional intellectual swimming hand ring surface of the present invention.
Fig. 3 is the structure diagram among multifunctional intellectual swimming bracelet of the present invention.
Fig. 4 is the structure diagram of multifunctional intellectual swimming bracelet bottom of the present invention.
Fig. 5 is multifunctional intellectual of the present invention swimming bracelet according to collected exercise data in real time, ordinal number during utilization
The work flow diagram of User Status is judged according to clustering algorithm.
Fig. 6 is the work flow diagram of the device of monitoring swimming state of the present invention.
Fig. 7 is multifunctional intellectual swimming bracelet triggering alert if schematic diagram of the present invention.
The overall appearance structural representation of Fig. 8 multifunctional intellectual swimming bracelets of the present invention.
Structure diagram under the handle module closed state of Fig. 9 multifunctional intellectual swimming bracelets of the present invention.
Structure diagram under the handle module opening state of Figure 10 multifunctional intellectual swimming bracelets of the present invention.
1- wrist straps, 2- sensor assemblies, 3- communication control modules, 4- display modules, 5- vibrating motor modules, 6- loud speakers
Module, 7- power supplys, 8- contain liquid module, 9- handle modules, and 10- learns button, and 11- checks button, 12- radio-frequency modules；
81- liquid-holding pipes, 82- boost ports, 91- handles, 92- sealing liquid valves.
Specific embodiment
It elaborates with reference to embodiment and refer to the attached drawing to the present invention：
Fig. 1 is the swimming state monitoring device external structure schematic diagram that preferred embodiments of the present invention provide.As shown in Figure 1, this
The swimming state monitoring device that invention preferred embodiments provide includes intelligent swimming bracelet, wireless nodes, server and monitor terminal,
The swimming bracelet and monitor terminal are connected by wireless nodes with server.
The intelligent swimming bracelet include sensor assembly, communication control module, vibrating motor module, loudspeaker module,
Handle module contains liquid module, display module and radio-frequency module.The server includes analysis module and memory module.The prison
Control terminal includes computer or mobile client.The swimming bracelet and monitor terminal are connected by wireless nodes with server.
The swimming bracelet is worn by user and lifeguard, and the friend relation between bracelet must be uploaded to institute before swimming is started
State the memory module of server.
In the present embodiment, the specific storage mode of friend relation between bracelet of swimming is as follows：After swimming place and hall are entered,
The bracelet with unique identifier is provided for every user, and the multidigit user for having friend relation is worn to the identifier of bracelet
It deposits in database table, so that server is when monitoring that a certain user is abnormal, quickly uniformly sends out report to them
Alert signal.In addition, natatorium lifeguard is also required to wear bracelet, and belong to default buddies relationship with every user.It is any
When user causes danger, lifeguard can receive alarm signal at the first time.
Fig. 2~4 are the multifunctional intellectual swimming bracelet internal structure schematic diagrams that preferred embodiments of the present invention provide.Fig. 2 is intelligence
It can swimming hand ring surface；Fig. 3 represents that inside intelligent swimming bracelet communication control module, shakes motor mould at loudspeaker module
The relative position of block, radio-frequency module and power supply.And Fig. 4 represents that sensor assembly in bracelet bottom, is in direct contact human body, in order to
Monitor human body items physical signs.
Fig. 5 is the multifunctional intellectual swimming bracelet inside connection diagram that present pre-ferred embodiments provide.Specific works
Flow is as follows：①—②—③—④—⑤—⑥
⑧—⑨—②—③—④—⑤—⑥
⑦—②—③⑩—②—③
In the present embodiment, sensor die 3-axis acceleration sensor in the block and gyroscope are used to perceive the fortune of user
Dynamic status data, including 3-axis acceleration, angular acceleration；Heart rate sensor and blood pressure sensor are used to perceive the sign number of user
According to including heart rate, blood pressure；Pressure sensor can calculate for perceiving environmental parameter according to the pressure value that pressure sensor provides
Obtain the current underwater penetration of user；Built-in pressure transducer is used to monitor the gas pressure intensity in liquid-holding pipe.
Fig. 6 is the intelligent swimming bracelet of present pre-ferred embodiments offer according to real-time collected exercise data, utilization
Time series data clustering algorithm judges the work flow diagram of User Status.As shown in fig. 6, swimming state monitoring provided in this embodiment
The workflow of device includes the following steps：First, the multidigit for having friend relation swimming user and lifeguard are worn more
The identifier of function intelligent swimming bracelet is deposited in the database table of server, so that server is monitoring a certain user's hair
When raw abnormal, quickly uniformly alarm signal is sent out to the good friend of the user and lifeguard；
If the 2, starting to learn, the exercise data of continuous acquisition user is passed through wireless nodes and is sent to service by bracelet
Device.Server preserves the data received to memory module.
For example, swimming bracelet constantly acquires sensing data, each group of data with 0.2 second for sampling time interval
Include the acceleration information information in three directions.In data acquisition, communication control module is called to send data to clothes
Business device.Communication control module is with 2 seconds for interval, and by sensor assembly, collected 10 groups of data are packaged, and pass through company in 2 seconds
The wireless nodes being connected to are sent to server and are stored.When a certain stroke study finish, according to user select determine start
Study is completed in the study of next stroke.
Stroke used in the learning process each time of default user is different from, and i represents i-th kind of swimming used by a user
Appearance, 1≤i≤k, k are that user needs to learn the number of stroke.
Without loss of generality, the collected one group of data of bracelet are represented byIts
InIt represents in tmThe acceleration of i-th kind of stroke of moment,It is illustrated respectively in tmI-th kind of moment
Output valve of the 3-axis acceleration sensor of stroke on tri- directions of x, y and z.
It represents the time series data of collected i-th kind of stroke in learning process, is represented by：
3rd, server is according to collected data real-time in more than learning process, according to swimming exercise physiology rule, really
Fixed i-th kind of stroke period windows value range, while in view of swimmer's individual difference, determined according to the similarity of multi-group data
Period windows TiSize, and obtain i-th kind of stroke in a cycle TiMean motion rule αi。
Wherein, Δ t=0.2 seconds, int (*) represented bracket function.
Period of motion T of the server by user under a variety of strokesiAnd characteristics of motion αiIt is preserved, and as mark
Quasi-mode.
If the 4, having completed to learn, the real-time motion data of continuous acquisition user is passed through wireless nodes and is sent to by bracelet
Server.The time series data received is preserved to memory module and analyzed it by server.Concrete operating principle is as follows：
Using time series data clustering algorithm, cluster number is the stroke number k of user's study, and class center is the characteristics of motion of k stroke
αi(1≤i≤k)；According to the periodic T of a variety of strokes obtained in mode of learningiA measurement period window can be acquired
T, T=max { Ti, using sliding window technique, i.e., time window is placed on to the initial position of time series, at this time time window
Length is a cross-talk sequence of T in corresponding sequence, and then time window moves back, then single by starting of second point of sequence
Position forms the subsequence that another length is T；The rest may be inferred, and can obtaining (10-T+1) altogether, (T is both less than under normal circumstances
10) a length is the time subsequence of T.Then to the time subsequence of formation and characteristics of motion αiSimilarity is calculated one by one.Mesh
Preceding similarity is there are many method it can be selected that concurrent frequency commenting as similarity according to similar events between different time sequence
Estimate standard, have based on shape, feature based, based on method for measuring similarity such as models.Specific method for measuring similarity is shown in 2008
Year Xiamen University doctoral thesis, Jin Liurui, Functional data analysis method and application study, chapter 5.Selected similarity measurement
Afterwards, and according to presetting similarity threshold, you can determine (10-T+1) a time subsequence and all kinds of center αiRelationship.If
The similarity of multiple subsequences is more than threshold value, then chooses merger to the class of similarity maximum；It, should if similarity is below threshold value
Data are unable to be preserved in merger to learning process any kind, then it is drowned or abnormal to think that user may occur.
If the 5, server judges that user is in drowned state or is abnormal situation, to user good friend and can rescue immediately
The resiurce of student wears bracelet and sends out alarm signal.Bracelet starts warning function after the alarm signal from server is received.
Bracelet will call vibrating motor module vibration bracelet to be closed to cause after the alarm signal from server is received
Note.If user good friend is in surface condition at this time, loudspeaker module played pre-recorded can be called good while vibrating bracelet
Audio file, such as " your * * * good friends may be abnormal situation, please be paid close attention to " etc., to cause higher attention.Together
When, the location information got from server can be shown to user good friend and lifeguard by the display module of bracelet.
In addition, server is after receiving the data, the processing procedure of multi-group data is further included：Check heart rate, blood pressure, such as
Core rate is more than that 10 seconds or blood pressure were higher than reservation threshold more than 10 seconds less than reservation threshold duration, then sends out alarm signal immediately；
Check underwater penetration, if underwater penetration be more than reservation threshold more than 30 seconds, send out alarm signal immediately.In view of different people
The underwater physical condition of group and ability to bear are different, it is preferable that a variety of threshold values and time restriction described above, it can be by
User is independently set by the pseudo operation platform of bracelet display module.If user is not provided with dependent thresholds, system will
Using default setting.
When user encounters cramp when emergencies during swimming, handle mould in swimming hand ring can also be pulled open outward
Block sends out active distress signal.The bracelet can open contain liquid module, release it is a kind of it is with bright-colored, easily spread it is harmless
Super concentrated liquid, to cause the attention of people around.Meanwhile user good friend and lifeguard wear bracelet and will be received in first time
To the alarm signal from server.The processing procedure of alarm signal is as shown in step 5.
The trigger condition schematic diagram of alarm signal is as shown in Figure 7.
Fig. 8~10 are the structure diagram of multifunctional intellectual swimming bracelet, and display module 4 and study are can be seen that in Fig. 8
Button 10 checks that button 11, radio-frequency module 12 are respectively positioned on the side in the front of wrist strap, i.e. face user；Loudspeaker module is then
Close to the position of user's arm on the inside of wrist strap；Handle module and Sheng liquid module are located on the outside of wrist strap other end, and handle needs
It is turned out that liquid-holding pipe could be opened, in this way it is possible to prevente effectively from accidentally touching the problem of causing false alarm by others.
In conclusion according to multifunctional intellectual provided in this embodiment swim bracelet and for monitor swimming state device and
Method acquires environmental parameter, user's sign data and exercise data by the sensor assembly on bracelet, is sent out by wireless nodes
Send to server and preserved and analyzed, and when server judges that user is in drowned state or is abnormal situation to
Family good friend and lifeguard send out alarm signal.In addition, the handle module and Sheng liquid module of swimming bracelet have also provided master to the user
Dynamic emergency function, substantially increases rescue efficiency, reduces the risk being drowned.
The above is only the preferred embodiment of the present invention, is not intended to restrict the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and
Modification, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (9)
- The bracelet 1. a kind of multifunctional intellectual is swum, which is characterized in that including wrist strap (1) annular in shape；The wrist strap (1) is equipped with Sensor assembly (2), communication control module (3), display module (4), vibrating motor module (5) and/or loudspeaker module (6) with And the power supply (7) to above-mentioned module for power supply；Communication control module (3) is connected between modules and is communicated with outside； The sensor assembly (2) includes 3-axis acceleration sensor, gyroscope, heart rate sensor and blood pressure sensor；Wherein heart rate Sensor and blood pressure sensor are located at the inside of wrist strap (1) to be close on the inside of the wrist of swimmer；3-axis acceleration sensor, Gyroscope, communication control module (3), vibrating motor module (5) and/or loudspeaker module (6) and power supply (7) are built in wrist Band (1) is internal；Display module (4) is on the outside of wrist strap (1)；Liquid module (8) and handle module (9) are contained there are one being set on the outside of wrist strap (1)；The Sheng liquid module (8) includes an one end The liquid-holding pipe (81) of opening；The handle module (9) is fastened on liquid-holding pipe (81) by rotation including one and and liquid-holding pipe (81) handle (91) of sealing is realized between；Extend the one end of liquid-holding pipe (81) equipped with opening, handle in the front end of handle (91) (91) sealing that the sealing liquid valve (92) to match with liquid-holding pipe (81) opening is used to implement liquid-holding pipe (81) is equipped with below front end；Hand The end rotation of handle (91) is located at liquid-holding pipe (81) and does not set on one end of opening；Liquid-holding pipe (81) is internally provided with and communication control mould The built-in air pressure sensor of block (3) communication；Built-in air pressure sensor is powered by power supply (7)；Liquid-holding pipe (81) is internal Equipped with colored liquid, it is additionally provided with to add in air and which is provided with the boost port (82) of lid on liquid-holding pipe (81) tube wall；Institute Handle (91) is stated by realizing the release of colored liquid to rotation on the outside of wrist strap (1).
- The bracelet 2. multifunctional intellectual as described in claim 1 is swum, which is characterized in that communication control module (3) is also equipped with position Study button (10) on the outside of wrist strap (1) and check button (11).
- The bracelet 3. multifunctional intellectual as claimed in claim 2 is swum, which is characterized in that wrist strap is additionally provided with radio-frequency module on (1) (12)。
- 4. a kind of swimming state monitoring device, which is characterized in that including server, monitor terminal and multiple such as claims 2 The multifunctional intellectual swimming bracelet；The communication control module (3) of the multifunctional intellectual swimming bracelet passes through wireless nodes It is communicated with server, server is communicated by wireless nodes and monitor terminal.
- 5. a kind of swimming state monitoring method, using device as claimed in claim 4；It is characterised in that it includes following steps： First, the identifier of multifunctional intellectual swimming bracelet that the multidigit for having friend relation swimming user and lifeguard are worn is stored In the database table of server, so that server is when monitoring that a certain user is abnormal, quickly uniformly to the user Send out alarm signal；2nd, a certain user sets multifunctional intellectual and swims bracelet as mode of learning first, starts to learn, multifunctional intellectual swimming hand Ring will constantly acquire the exercise data of the user, and passes through wireless nodes and be sent to server, the data that server will receive It preserves to memory module；Detailed process is as follows：Sensor assembly (2) constantly acquires the exercise data of the user with Δ t seconds for sampling time interval, and each group of data are wrapped Include acceleration information information of the user using three directions during a certain stroke；In data acquisition, communication control mould is called Block (3) sends data to server；Communication control module (3), for interval, sensor assembly (2) was acquired in C seconds with C seconds The C/ Δ t groups data arrived are packaged, and are passed through the wireless nodes being connected to and be sent to server and stored；Wherein C is Δ t's Integral multiple；After a certain stroke learns, determine to start the study of next stroke according to actual conditions or complete to learn；Stroke used in the learning process each time of Server Default user is different from, and i represents i-th kind used by a user Stroke, 1≤i≤k, k are that user needs to learn the number of stroke；The multifunctional intellectual swimming collected one group of data of bracelet are represented byWhereinIt represents in tmThe acceleration of i-th kind of stroke of moment,It is illustrated respectively in tmI-th kind of swimming of moment Output valve of the 3-axis acceleration sensor of appearance on tri- directions of x, y and z；It represents the time series data of collected i-th kind of stroke in learning process, is represented by：3rd, server, according to swimming exercise physiology rule, determines according to collected data real-time in more than learning process I kind stroke period windows value ranges, while in view of swimmer's individual difference, the period is determined according to the similarity of multi-group data Window TiSize, and obtain i-th kind of stroke in a cycle TiMean motion rule αi：Wherein, Δ t is the sampling time interval of sensor assembly (2), and int (*) represents bracket function；Period of motion T of the server by user under a variety of strokesiAnd characteristics of motion αiIt is preserved, and as master die Formula；If the 4, having completed to learn, user closes the mode of learning of multifunctional intellectual swimming bracelet, and user enters normal swimming State, hereafter multifunctional intellectual swimming bracelet is by the time series data of continuous acquisition user, and passes through wireless nodes and be sent to service Device；The time series data received is preserved to memory module and analyzed it by server；Concrete operating principle is as follows：Using Time series data clustering algorithm, cluster number are the stroke number k of user's study, characteristics of motion α of the class center for k strokei(1 ≤i≤k)；According to the periodic T of a variety of strokes obtained in mode of learningiMeasurement period window a T, T can be acquired =max { Ti, using sliding window technique, i.e., measurement period window is placed on to the initial position of time series, measures week at this time Length is a cross-talk sequence of T in phase window corresponding sequence, and then measurement period window moves back, then second point with sequence For starter unit, the subsequence that another length is T is formed；The rest may be inferred, can obtain (C/ Δ t-T+1) a length altogether and be The time subsequence of T, then to the time subsequence of formation and characteristics of motion αiSimilarity is calculated one by one；Selected similarity measurement Afterwards, and according to presetting similarity threshold, you can determine (C/ Δ t-T+1) a time subsequence and all kinds of center αiPass System；If the similarity of multiple subsequences is both greater than threshold value, merger is chosen to the class of similarity maximum；If similarity is below threshold Value, then the data are unable to be preserved in merger to learning process any kind, then it is drowned or different to think that user may occur Often；The 5th, if server judges that user is in drowned state or is abnormal situation, can be immediately to user good friend and lifeguard Worn multifunctional intellectual swimming bracelet sends out alarm signal；Multifunctional intellectual swimming bracelet is receiving the report from server After alert signal, vibrating motor module (5) and/or loudspeaker module (6) will be called to send out alarm signal, while multifunctional intellectual is swum The location information got from server can be shown to user good friend and lifeguard by the display module of swimmer's ring.
- 6. swimming state monitoring method as claimed in claim 5, which is characterized in that server also acquires the heart of user simultaneously Rate, blood pressure and underwater penetration once it is more than preset threshold value that above-mentioned three item data, which has any one, then send out report immediately Alert signal.
- 7. such as swimming state monitoring method described in claim 5 or 6, which is characterized in that when user's consciousness is faced a danger or taken out During muscle, the handle module (9) in multifunctional intellectual swimming bracelet is pulled open outward, active distress signal is sent out, contains liquid module at this time (8) it is opened, discharges a kind of harmless super concentrated liquid with bright-colored, easily spreading, meanwhile, built-in air pressure sensor The pressure signal contained in liquid module (8) is transmitted to by server by communication control module (3), server passes through with presetting Good threshold value is made comparisons, and obtains user conclusion on the line, is sent and is reported at the first time to the user good friend and lifeguard Alert signal.
- 8. such as swimming state monitoring method described in claim 5 or 6, which is characterized in that between the time of data upload server Every C using 2 seconds, sensor assembly (2) sampling interval Δ t is 0.2 second.
- 9. swimming state monitoring method as claimed in claim 7, which is characterized in that the time interval C of data upload server Using 2 seconds, sensor assembly (2) sampling interval Δ t was 0.2 second.
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Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106943146A (en) * | 2016-12-24 | 2017-07-14 | 佛山潮伊汇服装有限公司 | Plyability spasm method for early warning and plyability spasm Forewarning Terminal |
| CN107495551B (en) * | 2017-08-04 | 2023-09-22 | 山西大学 | Outdoor swimming underwater positioning bracelet and underwater positioning method |
| CN107320092B (en) * | 2017-08-04 | 2023-05-30 | 山西大学 | Outdoor swimming state monitoring bracelet and swimming state abnormality monitoring method |
| CN107714020A (en) * | 2017-09-08 | 2018-02-23 | 惠州Tcl移动通信有限公司 | Swimming method for early warning, wearable device and the storage medium of a kind of wearable device |
| CN108597185A (en) * | 2018-04-18 | 2018-09-28 | 广东小天才科技有限公司 | A kind of drowning alarming method and wearable device based on depth of water detection |
| CN108597186B (en) * | 2018-04-18 | 2020-04-28 | 广东小天才科技有限公司 | Drowning alarm method based on user behavior and wearable device |
| CN111724569B (en) * | 2019-03-20 | 2021-11-02 | 北京小米移动软件有限公司 | Alarm method, alarm device and storage medium |
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| CN110313687B (en) * | 2019-07-19 | 2021-06-25 | 壹荣荣(浙江)科技发展有限公司 | Novel motion intelligence bracelet based on action record is rescued by oneself |
| CN110793539A (en) * | 2019-11-12 | 2020-02-14 | 浙江大学城市学院 | Drowning detection method and system based on motion component threshold and machine learning |
| CN111524595A (en) * | 2020-03-30 | 2020-08-11 | 上海赛族网络科技有限公司 | Identification system based on large-range collection of cardiac data |
| CN112810776B (en) * | 2021-01-29 | 2023-10-13 | 徐婧怡 | Prevent drowned emergency call bracelet |
| CN112802394A (en) * | 2021-01-30 | 2021-05-14 | 景昕 | Swimming pool display device |
| CN114582091A (en) * | 2022-03-11 | 2022-06-03 | 佛山市高明粤华卫生洁具有限公司 | Intelligent monitoring and early warning system based on swimming pool safety |
| CN114602155B (en) * | 2022-05-11 | 2023-02-21 | 荣耀终端有限公司 | Swimming information statistical method, computer-readable storage medium and electronic device |
| CN116736777B (en) * | 2023-07-20 | 2023-10-27 | 四川华鲲振宇智能科技有限责任公司 | Intelligent monitoring system and method for detecting worker to remove anti-static wristband |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202670079U (en) * | 2012-06-21 | 2013-01-16 | 王虹雨 | Bracelet-shaped water self-rescue device |
| CN104517410A (en) * | 2015-01-21 | 2015-04-15 | 苏州大学 | Intelligent drowning-prevention system and method |
| CN104916076A (en) * | 2015-05-29 | 2015-09-16 | 付建文 | Swimming pool drowning monitoring system and method |
| CN205121815U (en) * | 2015-09-09 | 2016-03-30 | 莆田市高新电子有限公司 | SOS bracelet |
| CN205177097U (en) * | 2015-11-21 | 2016-04-20 | 深圳市前海安测信息技术有限公司 | Intelligence watch with drowned monitor function |
| CN205594842U (en) * | 2016-05-13 | 2016-09-21 | 西南大学 | Swimming danger souding and alarm device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002101678A1 (en) * | 2001-06-13 | 2002-12-19 | Xltronix Limited | Safety device |
-
2016
- 2016-10-14 CN CN201610897872.1A patent/CN106251584B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202670079U (en) * | 2012-06-21 | 2013-01-16 | 王虹雨 | Bracelet-shaped water self-rescue device |
| CN104517410A (en) * | 2015-01-21 | 2015-04-15 | 苏州大学 | Intelligent drowning-prevention system and method |
| CN104916076A (en) * | 2015-05-29 | 2015-09-16 | 付建文 | Swimming pool drowning monitoring system and method |
| CN205121815U (en) * | 2015-09-09 | 2016-03-30 | 莆田市高新电子有限公司 | SOS bracelet |
| CN205177097U (en) * | 2015-11-21 | 2016-04-20 | 深圳市前海安测信息技术有限公司 | Intelligence watch with drowned monitor function |
| CN205594842U (en) * | 2016-05-13 | 2016-09-21 | 西南大学 | Swimming danger souding and alarm device |
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