CN106251584A - 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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- CN106251584A CN106251584A CN201610897872.1A CN201610897872A CN106251584A CN 106251584 A CN106251584 A CN 106251584A CN 201610897872 A CN201610897872 A CN 201610897872A CN 106251584 A CN106251584 A CN 106251584A
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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.Described Intelligent swimming bracelet includes sensor assembly, communication control module, vibrating motor module, loudspeaker module, handle module, Sheng liquid module and display module.Described server includes analyzing module and memory module.Described monitor terminal includes computer or mobile client.Described swimming bracelet is all connected with server by wireless nodes with monitor terminal.Described swimming bracelet is worn by user and lifeguard, and the friend relation between bracelet must be uploaded to the memory module of described server before starting swimming.If user runs into the emergencies such as cramp during swimming, can outwards pull open the handle module on swimming hand ring, send actively distress signal.Contain liquid module to open, discharge the harmless super concentrated liquid of a kind of band bright-colored, to cause the attention of people around.
Description
Technical field
The present invention relates to the exception monitoring during swimming and active emergency mode, specifically include a kind of multifunctional intellectual trip
Swimmer's ring and swimming state monitoring device and method.
Background technology
Swimming is the sports of a general, have the laudatory title of " king of motion ".This mainly has benefited from swimming can
Avoid the damage that human synovial may be caused by regular motion, and benefit is the more.Swimming need people in water ceaselessly
Stretch, roll up, turn round, drying etc., the expanding-contracting action of repetition can help to improve pliability and the motility of health, simultaneously need to
The Coordinating Muscle at each position is firmly so that whole-body muscle can be taken exercise.Meanwhile, swimming can improve the spirit of people
State, helps people to alleviate daily job and life stress.Therefore swim and welcome by the extensive of people, be increasingly becoming body-building
One of best item.Living in the middle of modern metropolitan cities, we often select public natatorium to swim.But.Artificial abortion
Measure compared with in natatorium big, that discrimination is relatively low, if there is drowned or emergency in swimmer, lifeguard may first time
Between obtain information making and judge timely, miss optimal rescue opportunity.
Along with people's growing interest to problems, occur in that some relevant products and patent, such as CN
104517410 A (the anti-drowned system and method for a kind of intelligence), CN 104484654 A are (fixed with fingerprint matching based on pattern recognition
The anti-drowned recognition methods of position algorithm), CN 205022830 U (wrist type inflatable resuscitation device), CN 104537273 A (
Plant drowned pattern intelligent inference system and method) etc..In the above product and patent, what they had be provided with emergency button with
Fast trip alarm function, and outwardly send alarm by speaker or flash lamp, have by being quickly filled with gas to air bag
Body is to reach the purpose floated, and the sport video utilizing swimmer having judges whether swimmer abnormal conditions etc. occurs.But
It is seen that: they using effect, motility, to many such as the adaptabilities of environment in terms of there are problems, such as, emergency
The problem that the setting of button cannot be avoided touching by mistake, pressing by mistake well；The ring that the alarm form of sound and flash of light is noisy in natatorium
Border is difficult to attract much attention；When utilizing sport video to judge, the physical trait difference of some user is little, causes
Result precision is relatively low.Therefore, these products and patent are not ideally suited for natatorium and similar swimming environment
In.
Summary of the invention
Cannot in time, accurately judge the abnormal conditions of swimmer for solving above-mentioned prior art, optimal rescue may be missed
There is the problem such as bigger protected from environmental of type of alarm during abnormal conditions in opportunity, user, the present invention provides a kind of many merits
Can Intelligent swimming bracelet and swimming state monitoring device and method, mainly include Intelligent swimming bracelet, wireless nodes, server
And monitor terminal.
Multifunctional intellectual of the present invention swimming bracelet is to use following scheme to realize: a kind of multifunctional intellectual swimming
Bracelet, including wrist strap in the form of a ring；Described wrist strap is provided 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 also between communication control module with modules
Communication is carried out with outside；Described sensor assembly includes 3-axis acceleration sensor, gyroscope, heart rate sensor and blood pressure sensing
Device；Wherein heart rate sensor and pressure transducer are positioned at the inner side of wrist strap to be close to inside the wrist of swimmer；Three axles accelerate
Degree sensor, gyroscope, communication control module, vibrating motor module and/or loudspeaker module and power supply are all built in wrist strap
Internal；Display module is positioned at outside wrist strap.
Further, it is provided with one outside wrist strap and contains liquid module and handle module；Described Sheng liquid module includes one one
The liquid-holding pipe of end opening；Described handle module include one be combined on liquid-holding pipe by rotary buckle and and liquid-holding pipe between realize close
The handle of envelope；The front end of handle is extended liquid-holding pipe and is provided with one end of opening, is provided with and liquid-holding pipe opening below the front end of handle
The sealing liquid valve matched is for realizing 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；Contain
The built-in air pressure sensor with communication control module communication it is provided with inside liquid pipe；Built-in air pressure sensor is supplied by power supply
Electricity；Equipped with colored liquid inside liquid-holding pipe, liquid-holding pipe tube wall is additionally provided with for adding air and which is provided with the supercharging of lid
Mouthful；Described handle is by rotating to realize the release of colored liquid outside wrist strap.
If user runs into the emergencies such as cramp during swimming, can outwards pull open the handle mould on swimming hand ring
Block, sends actively distress signal.Described bracelet can open Sheng liquid module, discharges a kind of band bright-colored, easy diffusion harmless
Super concentrated liquid, to cause the attention of people around.
Further, communication control module is also equipped with being positioned at the study button outside wrist strap and checks button.
Further, wrist strap is additionally provided with radio-frequency module.May 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: one monitors swimming state
Device, including server, monitor terminal and multiple multifunctional intellectual swim bracelet；Described multifunctional intellectual swimming bracelet
Communication control module is by wireless nodes and server communication, and server is by wireless nodes and monitor terminal communication.
Swimming state monitoring method of the present invention adopts the following technical scheme that realization: one monitors swimming state
Method, comprise the steps: one, the multidigit having friend relation swum user and multifunctional intellectual that lifeguard is worn
The identifier of swimming bracelet is deposited in the database table of server, in order to server occurs exception monitoring a certain user
Time, send alarm signal to this user the most uniformly；
Two, first a certain user sets multifunctional intellectual swimming bracelet as learning model, starts study, and multifunctional intellectual is swum
Swimmer's ring will constantly gather the exercise data of this user, and sent to server by wireless nodes, and server will receive
Data preserve to memory module；Detailed process is as follows:
Sensor assembly constantly gathers the exercise data of this user with the Δ t second for sampling time interval, and each group of data are equal
The acceleration information information in three directions when using a certain stroke including this user；In data acquisition, calling communication controls
Module sends data to server；Communication control module is with the C second for interval, the C/ collected within the C second by sensor assembly
Δ t group data are packed, and are sent to server by the wireless nodes being connected to and stored；Wherein C is the integer of Δ t
Times；After a certain stroke learns, determine start the study of next stroke or complete study according to practical situation；
The stroke that the learning process each time of Server Default user is used is different from, and i represents what user was used
I-th kind of stroke, 1≤i≤k, k are the number that user needs to learn stroke；
One group of data that multifunctional intellectual swimming bracelet collects are represented by
WhereinRepresent at tmThe acceleration of i-th kind of stroke of moment,It is illustrated respectively in tmMoment i-th
The 3-axis acceleration sensor of kind stroke output valve on tri-directions of x, y and z；
Represent the time series data of the i-th kind of stroke collected in learning process, be represented by:
Three, the data that server arrives according to Real-time Collection in above learning process, according to swimming exercise physiology's rule, really
Fixed i-th kind of stroke period windows span, simultaneously takes account of swimmer's individual variation, determines according to the similarity of multi-group data
Period windows TiSize, and obtain i-th kind of stroke a cycle TiMean motion rule αi:
Wherein, Δ t is the sampling time interval of sensor assembly, and int (*) represents bracket function；
Server is by user period of motion T under multiple strokeiAnd characteristics of motion αiPreserved, and as mark
Quasi-mode；
If four completed study, then user multifunctional intellectual is swum bracelet learning model close, user enters normally
Swimming state, hereafter multifunctional intellectual swimming bracelet will constantly gather the time series data of user, and by wireless nodes send to
Server；The time series data received is preserved to memory module and is analyzed it by server；Specific works principle is as follows:
Using time series data clustering algorithm, cluster number is stroke number k of user learning, and class center is the characteristics of motion of k stroke
αi(1≤i≤k)；Periodic T according to the multiple stroke obtained in learning modeliOne can be tried to achieve and measure period windows
T, T=max{Ti, use sliding window technique, period windows will be measured and be placed on seasonal effect in time series original position, now measure
A cross-talk sequence of a length of T in period windows correspondence sequence, then measures period windows and is moved back by, then second with sequence
Point is starter unit, forms the subsequence of another a length of T；The rest may be inferred, can obtain altogether (C/ Δ t T+1) individual long
Degree is the chronon sequence of T, then to the chronon sequence formed and characteristics of motion αiCalculate similarity one by one；Selected similarity
After tolerance, and according to presetting similarity threshold, i.e. can determine that (C/ Δ t T+1) individual chronon sequence and all kinds of center αi
Relation；If the similarity of multiple subsequences is both greater than threshold value, then choose merger to the maximum class of similarity；If similarity is the lowest
In threshold value, then these data can not merger any kind to what learning process was preserved, then think that user is it may happen that drowned
Or it is abnormal；
If five servers judge that user is in drowned state or abnormal conditions occur, can be immediately to user good friend and rescue
The resiurce of student's worn multifunctional intellectual swimming hand environment-development goes out alarm signal；Multifunctional intellectual swimming bracelet is receiving from server
Alarm signal after, vibrating motor module will be called and/or loudspeaker module will send alarm signal, simultaneously multifunctional intellectual swimming
The positional information got from server can be shown to user good friend and lifeguard by the display module of bracelet.
Server the most also gathers the heart rate of user, blood pressure and underwater penetration, and the most above-mentioned three item data have any one
Item exceedes threshold value set in advance, sends alarm signal the most immediately.
When user's consciousness faces a danger or knots, outwards pull open the handle module in multifunctional intellectual swimming bracelet, send out
Go out actively distress signal, now contain liquid module and be opened, discharge a kind of band bright-colored, the harmless hyper-concentration liquid of easily diffusion
Body, meanwhile, the pressure signal contained in liquid module is transmitted to server by built-in air pressure sensor by communication control module,
Server, by making comparisons with pre-set threshold value, draws the conclusion that this user is on the line, to this user good friend and
Lifeguard's very first time sends alarm signal.
Described server includes analyzing module and memory module.Described monitor terminal includes computer or mobile client.Institute
State swimming bracelet to be connected with server by equal wireless nodes with monitor terminal.Described swimming bracelet is worn by user and lifeguard
Wear, and the friend relation between bracelet must be uploaded to the memory module of described server before starting swimming.
Wherein, the sensor assembly in described swimming bracelet can constantly gather ambient parameter, user's sign, kinestate etc.
Data, and the transmission of calling communication control module is to server.The data received are saved in memory module and call by server
Analyze module data are analyzed and process.Various stroke and action is had to have periodic feature in view of swimming, thus
Analyze module and use time series data clustering method, to learn each stroke characteristics of motion that the stage obtains as cluster centre, with difference
Between time series, as similarity, (concrete method for measuring similarity is shown in Xiamen University doctor in 2008 to the concurrent frequency of similar events
Paper, Jin Liurui, Functional data analyzes method and applied research, chapter 5), will be unable to merger to the state of each stroke and define
For unusual condition.If the analysis module of server judges that user is in drowned state or abnormal conditions occurs, immediately to user
Good friend and the worn bracelet of lifeguard send alarm signal.
Meanwhile, good friend and the worn bracelet of lifeguard of user will receive the alarm signal from server immediately.
In described sensor assembly, 3-axis acceleration sensor and gyroscope are used for the kinestate data of perception user,
Including obtaining the 3-axis acceleration real-time about bracelet coordinate system and angular acceleration, export about mark after Quaternion Method processes
The 3-axis acceleration numerical value of the user of conventional coordinates, is beneficial to the objective kinestate judging user uniformly；Heart rate sensor
With pressure transducer for the sign data of perception user, including heart rate and blood pressure；Pressure transducer is used for perception ambient parameter,
The underwater penetration that user is current can be calculated according to the force value that pressure transducer is given；Pressure transducer is used for monitoring Sheng liquid
Gas pressure intensity in pipe.The data that sensor assembly is collected will be sent to server by communication control module.
Described communication control module includes communication nodes and the microcontroller being connected with described wireless nodes, mainly bears
Duty coordinates the work between modules, the data swum between bracelet and server and signal transmission and the process to signal.
The data that sensor assembly is collected by communication control module send to server with certain frequency, and are receiving from service
After the alarm signal of device, it is responsible for this signal is made a series of response.In described swimming bracelet, the signal of communication control module
Input includes sensor assembly, handle module, Sheng liquid module and display module, signal output part include vibrating motor module,
Loudspeaker module and display module.
Vibrating motor module and loudspeaker module, as the signal output part of communication control module, are used for realizing warning merit
Energy.The communication control module of bracelet is receiving after the alarm signal of server, calls the vibration of vibrating motor module immediately
Bracelet is to cause the concern of user good friend and lifeguard.If now user good friend is in surface condition, meeting while vibration bracelet
Call the audio file that loudspeaker module played pre-recorded is good, as " your * * * good friend, it may happen that abnormal conditions, please give
To pay close attention to " etc., to cause higher attention.
Handle module and Sheng liquid module have provided the user function of actively crying for help.Described Sheng liquid module be detachable, can be more
Change, repeatable filling, uncorruptible liquid-holding pipe.With boost port on liquid-holding pipe, a certain amount of for being filled with in liquid-holding pipe
Gas, to increase its internal gas pressure intensity.The built-in air pressure sensor of liquid-holding pipe, for monitoring the gas pressure in liquid-holding pipe
By force.Described handle module is connected with the valve of liquid-holding pipe.When user runs into the emergencies such as cramp, can exert oneself outwards to pull open
Handle on bracelet, contains liquid module and can discharge a kind of band bright-colored, the harmless super concentrated liquid of easily diffusion, to cause around
The attention of people.
It is different from the patent that application publication number is CN 104517410 A (the anti-drowned system and method for a kind of intelligence), this
The bright middle type of alarm utilizing vibrating motor module, loudspeaker module, handle module and Sheng liquid module to be realized is more reasonable.
In the case of the flows of the people such as natatorium are noisy compared with big, environment, the alarm form of sound and flash of light is more difficult to be attracted much attention,
If now user is in submerged condition, the effect of warning will be had a greatly reduced quality.And the vibration user good friend that the present invention uses
And the worn bracelet of lifeguard, discharge the alerting pattern of bright-coloured liquid, that can avoid that alarm signal causes by environmental factors is dry
Disturb, have preferable using effect.It addition, foregoing invention is cried for help the setting of button cannot avoid well touching by mistake, asking of by mistake pressing
Topic, and the handle module of present invention design has fully taken into account user's way of act in use, with outwards pull open
Mode is opened and can preferably be avoided the problems referred to above.
Described display module mainly includes touch screen and touches detection part, is used for showing current time, good friend position in danger
Put and contain the information such as gas pressure intensity in liquid module, dependent thresholds etc. is set.Display module can the continuously display current time in system.With
The communication control module of family good friend and the worn bracelet of lifeguard receives after the alarm signal of server, meeting while warning
Call display module, the positional information of the user got from server is shown to user good friend and lifeguard.
Described swimming bracelet is battery-powered and has water-proof function.
External two buttons of described swimming bracelet, the Show Button and study button.The function of the Show Button is as follows: by once
Display current kinetic situation, beats grading information including swimming distance, calorie consumption, stroke；Continuously by twice display liquid-holding pipe
In amount of liquid and pressure information.The function of study button is as follows: presses once, enters the learning state of certain stroke；Press continuously
Twice, stop the study of this kind of stroke；Repeat said process, it is possible to complete the study of the multiple stroke characteristics of motion.In study
Time period in, user needs the swimming custom according to oneself and the stroke grasped, carries out data inputting respectively.Server meeting
The data received within time period are saved in memory module, and determine periodically according to time window according to different strokes
Mean motion rule in this, as mode standard.
Being different from application publication number is the special of CN 104537273 A (a kind of drowned pattern intelligent inference system and method)
Profit uses the graders such as decision tree to judge whether user drowns, and the method needs each item data a priori user drowned defeated
Enter and learn to grader, otherwise will be unable to distinguish and whether drown.Owing to swimming data are time dependent sequential
Data, use the sorting algorithms such as traditional decision tree cannot effectively process the type data；Additionally sorting algorithm needs to obtain in advance
Take divided all kinds of data, but obtain the most in advance user drown every data target be one extremely difficult and be difficult to
Thing.Thus, the present invention uses time series data clustering algorithm, it is not necessary to obtain drowned data in advance, various with user's input
Stroke number is cluster number, with the mode standard of each stroke of user as cluster centre, adopts the swimming time series data received
Take sliding window technique, and the cluster centre formed with each stroke calculates similarity.If these data can be a certain class with merger
In, illustrate that user now may use this stroke；If these data cannot merger in any sort, then the current attitude of user is therewith
The stroke of front study is the most close, is likely encountered potential danger.
Further, after user wears bracelet and enters swimming pool, server meeting real-time update user's location, and
Display is at monitor terminal.By monitor terminal, natatorium manager it will be seen that the personnel amount in venue up till now, distribution feelings
Condition, congested conditions etc., the convenient management to natatorium and maintenance.The method of monitoring indoor user position is known technology,
Multiple method can be had to be achieved.
Preferably, can be that bracelet adds radio-frequency module.When swimming 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
Add radio frequency unlocking function, utilize radio-frequency technique to realize closely unblock to article storing compartment, thus Intelligent bracelet of swimming
Organically combine with locker key.
Server the most also gathers the heart rate of user, blood pressure and underwater penetration, and the most above-mentioned three item data have any one
Item exceedes threshold value set in advance, sends alarm signal the most immediately.
When user feels to face a danger, outwards pull open the handle module in multifunctional intellectual swimming bracelet, send actively
Distress signal, now contains liquid module and is opened, harmless super concentrated liquid that discharge a kind of band bright-colored, that easily spread, meanwhile,
The pressure signal transmission contained in liquid module is led to server, server by built-in air pressure sensor by communication control module
Cross and make comparisons with pre-set threshold value, draw the conclusion that this user is on the line, to this user good friend and lifeguard
One time sent alarm signal.
Accompanying drawing explanation
Fig. 1 is the attachment structure of the swimming state monitoring device including multifunctional intellectual swimming bracelet of the present invention
Schematic diagram.
Fig. 2 is the structural representation of multifunctional intellectual swimming hand ring surface of the present invention.
Fig. 3 is the structural representation in the middle of multifunctional intellectual of the present invention swimming bracelet.
Fig. 4 is the structural representation bottom multifunctional intellectual of the present invention swimming bracelet.
Fig. 5 is the exercise data that multifunctional intellectual of the present invention swimming bracelet arrives according to Real-time Collection, ordinal number when utilizing
The workflow diagram of User Status is judged according to clustering algorithm.
Fig. 6 is the workflow diagram of the device of monitoring swimming state of the present invention.
Fig. 7 is that multifunctional intellectual of the present invention swimming bracelet triggers alert if schematic diagram.
The overall appearance structural representation of Fig. 8 multifunctional intellectual of the present invention swimming bracelet.
Structural representation under the handle module closure state of Fig. 9 multifunctional intellectual of the present invention swimming bracelet.
Structural representation under the handle module open mode of Figure 10 multifunctional intellectual of the present invention swimming bracelet.
1-wrist strap, 2-sensor assembly, 3-communication control module, 4-display module, 5-vibrating motor module, 6-speaker
Module, 7-power supply, 8-contains liquid module, 9-handle module, and 10-learns button, and 11-checks button, 12-radio-frequency module；
81-liquid-holding pipe, 82-boost port, 91-handle, 92-sealing liquid valve.
Detailed description of the invention
Below in conjunction with embodiment with reference to accompanying drawing, the present invention is elaborated:
Fig. 1 is the swimming state monitoring device external structure schematic diagram that preferred embodiments of the present invention provides.As it is shown in figure 1, this
The swimming state monitoring device that invention preferred embodiments provides includes Intelligent swimming bracelet, wireless nodes, server and monitor terminal,
Described swimming bracelet is connected with server by wireless nodes with monitor terminal.
Described Intelligent swimming bracelet include sensor assembly, communication control module, vibrating motor module, loudspeaker module,
Handle module, Sheng liquid module, display module and radio-frequency module.Described server includes analyzing module and memory module.Described prison
Control terminal includes computer or mobile client.Described swimming bracelet is all connected with server by wireless nodes with monitor terminal.
Described swimming bracelet is worn by user and lifeguard, and the friend relation between bracelet must be uploaded to institute before starting swimming
State the memory module of server.
In the present embodiment, the storage mode that the friend relation between bracelet of swimming is concrete is as follows: after entering swimming place and hall,
Provide the bracelet with unique identifier for every user, and will have the identifier of the worn bracelet of multidigit user of friend relation
Deposit in database table, in order to server, when monitoring a certain user and occurring abnormal, sends report to them the most uniformly
Alert signal.Additionally, natatorium lifeguard is also required to wear bracelet, and broadly fall into default buddies relation with every user.Arbitrary
When user causes danger, lifeguard can receive alarm signal in the very first time.
Fig. 2～4 is the multifunctional intellectual swimming bracelet internal structure schematic diagram that preferred embodiments of the present invention provides.Fig. 2 is intelligence
Can swimming hand ring surface；Fig. 3 represents inside Intelligent swimming bracelet, communication control module, loudspeaker module, vibrations motor mould
The relative position of block, radio-frequency module and power supply.And Fig. 4 represents that sensor assembly, bottom bracelet, directly contacts human body, in order to
The monitoring every physical signs of human body.
Fig. 5 is the multifunctional intellectual internal connection diagram of swimming bracelet that present pre-ferred embodiments provides.Specific works
Flow process is as follows: the most 6.
⑧—⑨—②—③—④—⑤—⑥
⑦—②—③⑩—②—③
In the present embodiment, 3-axis acceleration sensor in described sensor assembly and gyroscope are for the fortune of perception user
Dynamic status data, including 3-axis acceleration, angular acceleration；Heart rate sensor and pressure transducer are used for the sign number of perception user
According to, including heart rate, blood pressure；Pressure transducer is used for perception ambient parameter, can calculate according to the force value that pressure transducer is given
Obtain the underwater penetration that user is current；Built-in pressure transducer is for monitoring the gas pressure intensity in liquid-holding pipe.
Fig. 6 is the exercise data that the Intelligent swimming bracelet that present pre-ferred embodiments provides arrives according to Real-time Collection, utilizes
Time series data clustering algorithm judges the workflow diagram of User Status.As shown in Figure 6, the swimming state monitoring that the present embodiment provides
The workflow of device comprises the following steps: one, worn many by the multidigit swimming user and lifeguard that have friend relation
The identifier of function Intelligent swimming bracelet is deposited in the database table of server, in order to server is sent out monitoring a certain user
During raw exception, send alarm signal to good friend and the lifeguard of this user the most uniformly；
If two start study, bracelet will constantly gather the exercise data of user, and is sent to service by wireless nodes
Device.The data received are preserved to memory module by server.
For example, swimming bracelet, with 0.2 second as sampling time interval, constantly gathers sensing data, each group of data
All include the acceleration information information in three directions.In data acquisition, calling communication control module sends data to clothes
Business device.Communication control module is with 2 seconds for interval, and the 10 groups of data collected in 2 seconds by sensor assembly are packed, and by even
The wireless nodes received sends to server and is stored.When the study of a certain stroke is complete, decision is selected to start according to user
The study of next stroke or complete study.
The stroke that the learning process each time of default user is used is different from, and i represents i-th kind of swimming that user is used
Appearance, 1≤i≤k, k are the number that user needs to learn stroke.
Without loss of generality, one group of data that bracelet collects are represented byIts
InRepresent at tmThe acceleration of i-th kind of stroke of moment,It is illustrated respectively in tmMoment i-th kind
The 3-axis acceleration sensor of stroke output valve on tri-directions of x, y and z.
Represent the time series data of the i-th kind of stroke collected in learning process, be represented by:
Three, the data that server arrives according to Real-time Collection in above learning process, according to swimming exercise physiology's rule, really
Fixed i-th kind of stroke period windows span, simultaneously takes account of swimmer's individual variation, determines according to the similarity of multi-group data
Period windows TiSize, and obtain i-th kind of stroke a cycle TiMean motion rule αi。
Wherein, the Δ t=0.2 second, int (*) represents bracket function.
Server is by user period of motion T under multiple strokeiAnd characteristics of motion αiPreserved, and as mark
Quasi-mode.
If four have completed study, bracelet will constantly gather the real-time motion data of user, and by wireless nodes send to
Server.The time series data received is preserved to memory module and is analyzed it by server.Specific works principle is as follows:
Using time series data clustering algorithm, cluster number is stroke number k of user learning, and class center is the characteristics of motion of k stroke
αi(1≤i≤k)；Periodic T according to the multiple stroke obtained in learning modeliOne can be tried to achieve and measure period windows
T, T=max{Ti, use sliding window technique, seasonal effect in time series original position, now time window will be placed on by time window
A cross-talk sequence of a length of T in corresponding sequence, then time window is moved back by, more single for initiateing with second point of sequence
Position, forms the subsequence of another a length of T；The rest may be inferred, and (generally T is both less than can to obtain altogether (10 T+1)
10) the chronon sequence of individual a length of T.Then to the chronon sequence formed and characteristics of motion αiCalculate similarity one by one.Mesh
Front similarity has multiple method to select, according to concurrent frequency the commenting as similarity of similar events between different time sequence
Estimate standard, have based on shape, feature based, based on method for measuring similarity such as models.Concrete method for measuring similarity is shown in 2008
Year Xiamen University thesis for the doctorate, Jin Liurui, Functional data analyzes method and applied research, chapter 5.Selected similarity measurement
After, and according to presetting similarity threshold, i.e. can determine that (10-T+1) individual chronon sequence and all kinds of center αiRelation.If
The similarity of multiple subsequences is more than threshold value, then choose merger to the maximum class of similarity；If similarity is below threshold value, then should
Data can not merger any kind to what learning process was preserved, then think that user is it may happen that drowned or abnormal.
If five servers judge that user is in drowned state or abnormal conditions occur, can be immediately to user good friend and rescue
The resiurce of student is worn, and bracelet sends alarm signal.Bracelet is receiving after the alarm signal of server, starts warning function.
Bracelet is receiving after the alarm signal of server, will call vibrating motor module vibration bracelet to cause pass
Note.If now user good friend is in surface condition, loudspeaker module played pre-recorded can be called while vibration bracelet good
Audio file, such as " your * * * good friend, it may happen that abnormal conditions, please be paid close attention to " etc., to cause higher attention.With
Time, the positional information got from server can be shown to user good friend and lifeguard by the display module of bracelet.
Additionally, server is after receiving the data, the processing procedure of multi-group data is also included: check heart rate, blood pressure, as
Core rate less than reservation threshold duration more than 10 seconds or blood pressure higher than reservation threshold more than 10 seconds, send alarm signal the most immediately；
Check underwater penetration, if underwater penetration exceeded reservation threshold more than 30 seconds, send alarm signal the most immediately.In view of different people
The underwater health of group and ability to bear are different, it is preferable that the above multiple threshold value and time restriction, all can be by
User is independently arranged by the pseudo operation platform of bracelet display module.If user is not provided with dependent thresholds, system will
Use default setting.
When user runs into the emergencies such as cramp during swimming, it is also possible to outwards pull open handle mould in swimming hand ring
Block, sends actively distress signal.Described bracelet can open Sheng liquid module, discharges a kind of band bright-colored, easy diffusion harmless
Super concentrated liquid, to cause the attention of people around.Meanwhile, user good friend and the worn bracelet of lifeguard will receive in the very 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 be multifunctional intellectual swimming bracelet structural representation, in Fig. 8 it can be seen that display module 4 and study
Button 10, check that button 11, radio-frequency module 12 are respectively positioned on the front of wrist strap, the most just side to user；Loudspeaker module is then
It is positioned at the position near user's arm inside wrist strap；Handle module and Sheng liquid module are positioned at outside wrist strap other end, and handle needs
It is turned out just opening liquid-holding pipe, so can be prevented effectively from and be touched the problem causing false alarm by others by mistake.
In sum, the multifunctional intellectual swimming bracelet and being used for provided according to the present embodiment monitor swimming state device and
Method, is gathered ambient parameter, user's sign data and exercise data by the sensor assembly on bracelet, is sent out by wireless nodes
Deliver to server preserve and analyze, and server judge user be in drowned state or occur abnormal conditions time to
Family good friend and lifeguard send alarm signal.Additionally, the handle module of swimming bracelet and Sheng liquid module have also provided the user master
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 limited to the present invention, it is noted that for this skill
For the those of ordinary skill in art field, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement and
Modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (10)
1. a multifunctional intellectual swimming bracelet, it is characterised in that include wrist strap (1) in the form of a ring；Described wrist strap (1) is provided with
Sensor assembly (2), communication control module (3), display module (4), vibrating motor module (5) and/or loudspeaker module (6) with
And to the power supply (7) of above-mentioned module for power supply；Communication control module (3) be connected between modules and and outside carry out communication；
Described sensor assembly (2) includes 3-axis acceleration sensor, gyroscope, heart rate sensor and pressure transducer；Wherein heart rate
Sensor and pressure transducer are positioned at the inner side of wrist strap (1) to be close to inside 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 all built in wrist
Band (1) is internal；Display module (4) is positioned at wrist strap (1) outside.
2. multifunctional intellectual swimming bracelet as claimed in claim 1, it is characterised in that wrist strap (1) outside is provided with a Sheng
Liquid module (8) and handle module (9)；Described Sheng liquid module (8) includes the liquid-holding pipe (81) of an one end open；Described handle mould
Block (8) include one by rotary buckle be combined in liquid-holding pipe (81) upper and and liquid-holding pipe (81) between realize the handle (91) that seals；
The front end of handle (91) is extended liquid-holding pipe (81) and is provided with one end of opening, is provided with and liquid-holding pipe below the front end of handle (91)
(81) the sealing liquid valve (92) that opening matches is used for realizing the sealing of liquid-holding pipe (81)；The end of handle (91) rotates and is located at liquid-holding pipe
(81) do not set on one end of opening；The internal built-in gas pressure intensity being provided with communication control module (3) communication of liquid-holding pipe (81) passes
Sensor；Built-in air pressure sensor is powered by power supply (7)；Liquid-holding pipe (81) is internal equipped with colored liquid, and liquid-holding pipe (81) is managed
It is additionally provided with on wall for adding air and which is provided with the boost port (82) of lid；Described handle (91) is by wrist strap (1) outward
Side rotates with the release realizing colored liquid.
3. multifunctional intellectual swimming bracelet as claimed in claim 2, it is characterised in that communication control module (3) is also equipped with position
In wrist strap (1) outside study button (10) and check button (11).
4. multifunctional intellectual swimming bracelet as claimed in claim 3, it is characterised in that wrist strap is additionally provided with radio-frequency module on (1)
(12)。
5. a swimming state monitoring device, it is characterised in that include server, monitor terminal and as claimed in claim 3
Multiple multifunctional intellectuals swimming bracelet；The communication control module (3) of described multifunctional intellectual swimming bracelet passes through wireless nodes
With server communication, server is by wireless nodes and monitor terminal communication.
6. a swimming state monitoring method, uses device as claimed in claim 5；It is characterized in that, comprise the steps:
One, the identifier of the multifunctional intellectual swimming bracelet multidigit swimming user and lifeguard that have friend relation worn is deposited
In the database table of server, in order to server is when monitoring a certain user and occurring abnormal, the most uniformly to this user
Send alarm signal；
Two, first a certain user sets multifunctional intellectual swimming bracelet as learning model, starts study, multifunctional intellectual swimming hand
Ring will constantly gather the exercise data of this user, and is sent to server, the data that server will receive by wireless nodes
Preserve to memory module；Detailed process is as follows:
Sensor assembly (2) constantly gathers the exercise data of this user with the Δ t second for sampling time interval, and each group of data are all wrapped
Include the acceleration information information in three directions when this user uses a certain stroke；In data acquisition, calling communication controls mould
Block (3) sends data to server；Sensor assembly (2), with the C second for interval, was gathered within the C second by communication control module (3)
The C/ Δ t group data packing arrived, and send to server by the wireless nodes being connected to and stored；Wherein C is Δ t's
Integral multiple；After a certain stroke learns, determine start the study of next stroke or complete study according to practical situation；
The stroke that the learning process each time of Server Default user is used is different from, and i represents i-th kind that user is used
Stroke, 1≤i≤k, k are the number that user needs to learn stroke；
One group of data that multifunctional intellectual swimming bracelet collects are represented byWhereinRepresent at tmThe acceleration of i-th kind of stroke of moment,It is illustrated respectively in tmMoment i-th kind swimming
The 3-axis acceleration sensor of appearance output valve on tri-directions of x, y and z；
Represent the time series data of the i-th kind of stroke collected in learning process, be represented by:
Three, the data that server arrives according to Real-time Collection in above learning process, according to swimming exercise physiology's rule, determine
I kind stroke period windows span, simultaneously takes account of swimmer's individual variation, determines the cycle according to the similarity of multi-group data
Window TiSize, and obtain i-th kind of stroke a cycle TiMean motion rule αi:
Wherein, Δ t is the sampling time interval of sensor assembly (2), and int (*) represents bracket function；
Server is by user period of motion T under multiple strokeiAnd characteristics of motion αiPreserved, and as master die
Formula；
If four have completed study, then swum by the multifunctional intellectual learning model of bracelet of user is closed, and user enters normal swimming
State, hereafter multifunctional intellectual swimming bracelet will constantly be gathered the time series data of user, and sent to service by wireless nodes
Device；The time series data received is preserved to memory module and is analyzed it by server；Specific works principle is as follows: use
Time series data clustering algorithm, cluster number is stroke number k of user learning, and class center is characteristics of motion α of k strokei(1
≤i≤k)；Periodic T according to the multiple stroke obtained in learning modeliOne can be tried to achieve and measure period windows T, T
=max{Ti, use sliding window technique, period windows will be measured and be placed on seasonal effect in time series original position, now measure week
A cross-talk sequence of a length of T in phase window correspondence sequence, then measures period windows and is moved back by, then second point with sequence
For starter unit, form the subsequence of another a length of T；The rest may be inferred, can obtain altogether (C/ Δ t T+1) individual length
For the chronon sequence of T, then chronon sequence and characteristics of motion α to formationiCalculate similarity one by one；Selected similarity measurements
After amount, and according to presetting similarity threshold, i.e. can determine that (C/ Δ t T+1) individual chronon sequence and all kinds of center αi's
Relation；If the similarity of multiple subsequences is both greater than threshold value, then choose merger to the maximum class of similarity；If similarity is below
Threshold value, then these data can not merger any kind to what learning process was preserved, then think user it may happen that drowned or
Abnormal；
If five servers judge that user is in drowned state or abnormal conditions occur, can be immediately to user good friend and lifeguard
Worn multifunctional intellectual swimming hand environment-development goes out alarm signal；Multifunctional intellectual swimming bracelet is receiving the report from server
After alert signal, vibrating motor module (5) will be called and/or loudspeaker module (6) will send alarm signal, simultaneously multifunctional intellectual trip
The positional information got from server can be shown to user good friend and lifeguard by the display module of swimmer's ring.
7. swimming state monitoring method as claimed in claim 6, it is characterised in that server the most also gathers the heart of user
Rate, blood pressure and underwater penetration, the most above-mentioned three item data have any one to exceed threshold value set in advance, send report the most immediately
Alert signal.
Swimming state monitoring method the most as claimed in claims 6 or 7, it is characterised in that when user's consciousness faces a danger or takes out
During muscle, outwards pull open the handle module (9) in multifunctional intellectual swimming bracelet, send actively distress signal, now contain liquid module
(8) it is opened, discharges a kind of band bright-colored, the harmless super concentrated liquid of easily diffusion, meanwhile, built-in air pressure sensor
Pressure signal transmission in liquid module (8) will be contained to server by communication control module (3), server by with preset
Good threshold value is made comparisons, and draws the conclusion that this user is on the line, sends report to this user good friend and lifeguard's very first time
Alert signal.
Swimming state monitoring method the most as claimed in claims 6 or 7, it is characterised in that described upload server time interval C
Using 2 seconds, sensor assembly (2) sampling interval Δ t is 0.2 second.
10. swimming state monitoring method as claimed in claim 8, it is characterised in that described upload server time interval C is adopted
With 2 seconds, sensor assembly (2) sampling interval Δ t was 0.2 second.
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| CN107320092A (en) * | 2017-08-04 | 2017-11-07 | 山西大学 | A kind of outdoor swimming state monitoring bracelet and swimming state method for monitoring abnormality |
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| 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 |
| CN112810776A (en) * | 2021-01-29 | 2021-05-18 | 徐婧怡 | Prevent drowned emergency call for help bracelet |
| CN112810776B (en) * | 2021-01-29 | 2023-10-13 | 徐婧怡 | Prevent drowned emergency call bracelet |
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| CN114602155A (en) * | 2022-05-11 | 2022-06-10 | 荣耀终端有限公司 | Swimming information statistical method, computer-readable storage medium and electronic device |
| CN116736777A (en) * | 2023-07-20 | 2023-09-12 | 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 |
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