CN109491302A - Intelligent safety monitoring system and monitoring rescue mode based on Image Acquisition identification - Google Patents
Intelligent safety monitoring system and monitoring rescue mode based on Image Acquisition identification Download PDFInfo
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- CN109491302A CN109491302A CN201811230391.0A CN201811230391A CN109491302A CN 109491302 A CN109491302 A CN 109491302A CN 201811230391 A CN201811230391 A CN 201811230391A CN 109491302 A CN109491302 A CN 109491302A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
Abstract
The present invention discloses intelligent safety monitoring system and monitoring rescue mode based on Image Acquisition identification, including field division module, storing data library, user terminal, management server, alarm indication terminal and several fixed points obtain terminal；Management server obtains terminal with storing data library, user terminal, alarm indication terminal and several fixed points respectively and connect.The present invention passes through management server and user terminal and fixed point is combined to obtain terminal, management server handles the sound and image of swimmer, obtained comparison emergency set of keywords and dangerous play behavior normalization set, and gathers swimmer and be currently sitting in depth of water depth acquisition swimmer's danger coefficient, for drowning danger coefficient of real-time statistics swimmer during swimming, the drowning danger coefficient of swimmer can quickly and accurately be calculated, improve the detection efficiency and accuracy that swimmer drowns, improve the efficiency of drowning rescue, convenient for providing safe and reliable swimming environment for swimmer.
Description
Technical field
The invention belongs to safety monitoring technology field, be related to based on Image Acquisition identify intelligent safety monitoring system and
Monitor rescue mode.
Background technique
With the improvement of people's living standards, body building project is gradually liked by public people, body building includes
Swimming, fencing, tae kwon do and Yoga etc., carry out in water in the project went swimming of all body building, have certain
Risk, for beginner during swimming, because swimming technique deficiency can not voluntary breathing, ventilation, action due to cause
It now chokes water, easily causes drowned accident, or even to experienced swimmer, may should be that cramp, collision be injured or consciousness in water
The reasons such as unclear and cause drowned problem easily to cause swimmer once staff can not have found drowned swimmer in time
It is drowned for a long time and caused by injures and deaths；
In order to which effective solution is drowned problem, camera is installed in Swimming pool, is observed by staff on backstage
The image of shooting can discover whether that drowned phenomenon occurs for someone, for existing anti-drowned problem, there is the efficiency of drowned detection
It is low with accuracy, to extend the rescue time of staff, increase the probability of drowned casualties, and intelligent characteristic
Difference, meanwhile, staff exists nervous and tedious asks when observing video middle reaches swimmer and whether occurring drowned
Topic.
Summary of the invention
The purpose of the present invention is to provide the anti-drowned system of the personnel based on speech recognition and monitoring rescue mode, solve
Existing Swimming pool, it is drowned quickly and accurately not detect swimmer, and intelligent characteristic difference and drowned injures and deaths it is general
The big problem of rate.
The purpose of the present invention can be achieved through the following technical solutions:
Based on the intelligent safety monitoring system of Image Acquisition identification, including field division module, storing data library, user's end
End, management server, alarm indication terminal and several fixed points obtain terminal；Management server respectively with field division module, deposit
Storage database, user terminal, alarm indication terminal and several fixed points obtain terminal and connect；
Field division module is divided into several interconnections and area for dividing to swimmer's water went swimming place
Identical region subelement, different zones subelement correspond to different numbers, successively single to each region according to the sequence of setting
Member is numbered, and respectively 1,2 ..., i ..., n, n are expressed as the total quantity of the region subelement divided；
Storing data library is for storing the corresponding position range of different zones subelement and the corresponding water of each region subelement
Bit depth, different water level depths correspond to different swimming danger coefficients, and store the fixed point being located in each territory element and obtain eventually
Corresponding position coordinates are held, meanwhile, store the hazardous act movement of several emergency keywords and swimmer during swimming
Or behavior act image is called for help, several emergency keywords, which are constituted, cries for help set of keywords R (r1, r2 ..., rs), and rs is expressed as the
S emergency keyword；Swimmer's hazardous act is acted and is called for help the corresponding each behavior act of behavior act according to the row of setting
It is arranged for sequence of movement, and constitutes dangerous swimming behavior set of actions B (b1, b2 ..., bj ..., bf), bj is expressed as
J-th of hazardous act movement, f are expressed as the quantity of dangerous swimming behavior movement in dangerous swimming behavior set of actions, wherein danger
Each hazardous act acts corresponding sequence code and constitutes hazardous act action sequence code collection conjunction D in dangerous swimming behavior set of actions B
(d1, d2 ..., dj ..., df), dj are expressed as j-th of hazardous act and act corresponding sequence code；
In addition, storing data library storage fixed point, which obtains each pressure sensor in terminal, numbers corresponding angle, i.e., each number
The standard point line of pressure sensor and setting, constitutes the comparison straight line of reference numeral, the number of the comparison line correspondences with
The corresponding number of the pressure sensor is identical, and normal line crosses standard point, if normal line is rotated by fixed point of standard point,
If rotating clockwise and rotating angle less than 180 °, show that the corresponding angle of number pressure sensor is positive value, conversely,
Then it is negative value, is first angle by the angle mark between the line and normal line between r-th of number pressure sensor and standard point
θr；
User terminal is worn on swimmer's arm, for acquiring the location information of swimmer and the sound of acquisition in real time
Information, and the location information of acquisition and acoustic information are sent to management server；
Fixed point obtains the control instruction that terminal is used to receive management server transmission, and control instruction is to camera shooting based on the received
Angle where head is adjusted, and carries out image taking after the completion of the angular adjustment, and by the image information of the swimmer of shooting
It is sent to management server；
The location information and acoustic information for the swimmer that management server is sent for real-time reception user terminal, and extract
Respectively fixed point obtains the location information of terminal in storing data library, and the position that the position of swimmer, each fixed point obtain terminal is imported
To map, with count swimmer apart from it is each fixed point obtain terminal distance, obtain distance statistics set X (x1, x2 ...,
Xi ..., xn), xi is expressed as the distance that i-th of swimmer's distance fixed point obtains terminal, filters out the middle reaches distance statistics set X
Swimmer obtains the smallest fixed point of distance in terminal apart from each fixed point and obtains terminal, and the position that will obtain terminal apart from the smallest fixed point
It sets and carries out line with the position of swimmer, constitute angle line to be measured, and angle line to be measured and the normal line of setting are intersected,
Each angle set in angle to be measured that angle line to be measured is formed with normal line and storing data library is compared, with obtain to
The angle of measuring angle line and normal line, referred to as second angle β；
Management server extracts the acoustic information that user terminal is sent, and acoustic information is filtered processing, with filtering
Water wave sound in acoustic information, converts filtered sound, is converted into text, and by the text of conversion respectively with deposit
Keyword in the emergency set of keywords of storage compares, and obtains comparison emergency set of keywords R ' (r ' 1, r ' 2 ..., r '
S), r ' s indicates the comparison situation between text and s-th of emergency keyword in the acoustic information of conversion, if the text of sound conversion
Occur s-th of emergency keyword in word, then r ' s is taken to be equal to 1, conversely, r ' s is then taken to be equal to 0；
Management server receives the image information that fixed point obtains the swimmer that terminal is sent, and believes received every frame image
Behavior act in breath extracts, and by the behavior act of extraction respectively with the dangerous swimming behavior that is stored in storing data library
Each hazardous act movement in set of actions compares, and obtains dangerous play comparison behavior set B ' (b ' 1, b ' 2 ..., b '
F), b ' j is expressed as in image acting identical hazardous act movement with the presence or absence of with j-th of hazardous act, if figure by j ..., b '
Exist as in and act identical behavior act with j-th of hazardous act, then b ' j is taken to be equal to 1, conversely, b ' j is then taken to be equal to 0, according to
Dangerous play compares acts identical behavior act with hazardous act in behavior set, and closes from hazardous act action sequence code collection
Middle extraction hazardous act acts corresponding sequence code, if there is no act identical danger with j-th of hazardous act in image
Behavior act, then it is 0 that the behavior, which acts corresponding sequence code, conversely, corresponding sequence code then is acted for j-th of hazardous act,
It acts corresponding sequence code to each hazardous act in dangerous play comparison behavior sequence code collection conjunction to be normalized, by normalizing
Change treated hazardous act action sequence code and constitute dangerous play behavior normalization set G (g1, g2 ..., gj ..., gf),
Gj is expressed as the numerical value that j-th of hazardous act acts corresponding normalized, and the corresponding sequence code of not dangerous behavior act
It is 0, the numerical value after corresponding normalized is likewise provided as 0；
Management server obtains the corresponding swimming danger coefficient of water level depth of swimmer region subelement, and combines
Comparison emergency set of keywords, the drowning danger coefficient of dangerous play behavior normalization set statistics swimmer in water, management
The location information of swimmer and drowning danger coefficient are greater than the swimmer's of the standard drowning danger coefficient of setting by server
Drowning danger coefficient is respectively sent to alarm indication terminal；
Alarm indication terminal is used to receive the location information and drowning danger coefficient of the swimmer of management server transmission,
And carry out display and warning reminding.
Further, each hazardous act acts corresponding sequence code and is made of t bit, and any hazardous act is dynamic
Make that corresponding sequence code numerical value is different, the risk of hazardous act movement is bigger, and corresponding sequence code numerical value is also bigger.
Further, the user terminal includes that positioning obtains module, processor, voice acquisition module and the first communication biography
Defeated module, processor obtain module, voice acquisition module, the first communication transmission module with positioning respectively and connect；
The positioning obtains module for obtaining the location information of swimmer, and the position where the swimmer that will acquire in real time
Confidence breath is sent to processor；Voice acquisition module is voice collector, for acquiring acoustic information in real time, and by the sound of acquisition
Message breath is sent to processor, and processor reception positioning obtains the location information of module transmission, receives voice acquisition module transmission
Acoustic information, and the location information of received swimmer and acoustic information are sent to the first communication transmission module, described
One communication transmission module uses cordless communication network, and location information and acoustic information for sending processor are sent to management
Server.
Further, each fixed point obtains terminal and is separately mounted to the center position of each region subelement, and is mounted on one
Fixed point acquisition terminal in the subelement of region is identical as the corresponding number of region subelement, and it includes figure that the fixed point, which obtains terminal,
As obtain module, controller, execution module, the second communication transmission module, controller respectively with image collection module, execution module
It is connected with the second communication transmission module；
Image collection module is high-definition camera, for receiving the control instruction of controller transmission, the image of collector
Information, and the image information of acquisition is sent to controller；
Execution module includes stepper motor, rotation connecting shaft, circuit orbit, mounting seat and several pressure sensors, institute
Stating stepper motor output end is bevel gear, and the bevel gear of stepper motor output end and the bevel gear of rotation one end of the connecting shaft match
It closing, the rotation connecting shaft other end is connect with the mounting seat being mounted on circuit orbit, and circuit orbit upper surface is provided with baltimore groove,
It is evenly distributed with pressure sensor in baltimore groove, is mounted on several pressure sensors in circuit orbit baltimore groove according to clockwise
It is numbered, respectively 1,2 ..., r, mounting seat is mounted on the circuit orbit equipped with pressure sensor, in mounting seat
Image collection module is installed, when stepper motor works, by stepper motor output end and rotation connecting shaft intermeshing, is driven
Rotation connecting shaft is rotated, and rotation connecting shaft rotation drives mounting seat to be rotated on circuit orbit, and image obtains
Module rotates on circuit orbit with mounting seat, when mounting seat rotates to certain position, installs pressure in the position
Force snesor detects pressure value, and the pressure information that respectively numbering corresponding pressure sensor will test is sent to controller；
Second communication transmission module is used to receive the image taking control instruction of management server transmission and rotation adjusts control
System instruction, and received image taking control instruction and rotation regulating control command are sent to controller, meanwhile, receive control
The pressure information for each number pressure sensor detection that device is sent, and the pressure information of each number pressure sensor detection is sent
To management server；
Controller receives each number sensor inspection that the image information that image collection module is sent and execution module are sent
The pressure information of survey, and the pressure information that received image information and each number sensor detect is sent to the second communications
Module, and image taking control instruction and rotation regulating control command that the second communication transmission module is sent are received, according to reception
Image taking control instruction to image collection module carry out image taking control, based on the received rotate regulating control command pair
Stepper motor in execution module is controlled.
Further, when controller receives the rotation regulating control command that management server is sent, controller sends control
Stepper motor of the system instruction into execution module, stepper motor drive and connect with rotation by being intermeshed with rotation connection between centers
The mounting seat that spindle is connected is rotated on circuit orbit, so that image capture module is carried out along circuit orbit
Rotation, during rotation, the letter of pressure suffered by several pressure sensor real-time detections in circuit orbit baltimore groove
Breath, and the corresponding pressure information of each number pressure sensor is sent to controller, until management server, which is sent, stops control
Instruction, then stepper motor stops working, at this point, the image taking control instruction control figure that controller is sent according to management server
Image taking is carried out as obtaining module, and the image information of shooting is fed back into controller.
Further, the management server, which is received, obtains each volume that terminal is sent apart from shortest fixed point apart from swimmer
The pressure information of number pressure sensor detection, by the standard of received each number pressure sensor pressure information detected and setting
Pressure threshold value compares, and extracts the pressure sensor number that pressure information is greater than the normal pressure threshold values of setting, the mark
Quasi- pressure threshold value is the 80% of the weight of image collection module, and management server is numbered according to the pressure sensor of acquisition, from depositing
The corresponding first angle θ of the number sensor is extracted in storage database, and combines second angle β, if the equal > 0 or θ and β of θ and β is equal
< 0, then the angle between camera and swimmer beIf one is greater than 0 in θ and β, another is then imaged less than 0
Head swimmer between angle beManagement server is by the angle between camera and swimmerWith camera
1/2 shooting angle range compare, if being less than 1/2 shooting angle range of camera, management server do not send rotation
Turn regulating control command, until sending image taking control instruction to the fixed point obtains terminal, fixed point obtains the controller in terminal
Control instruction is sent to image collection module, image taking is carried out and is then managed if more than 1/2 shooting angle range of camera
Server sends rotation regulating control command and image taking control instruction to the fixed point and obtains terminal, and fixed point obtains the control of terminal
Device control stepper motor work processed, and then slide image collection module on circuit orbit, until between camera and swimmer
AngleLess than 1/2 shooting angle of camera, at this point, stepper motor stops working, controller sends control instruction to figure
As obtaining module, image collection module carries out image taking and by the image feedback of shooting to controller, and controller is by shooting
Image information is sent to management server.
Further, the formula of the normalized isS (b ' j) is expressed as b ' j
J-th of hazardous act greater than 0 acts corresponding sequence code, and min (b ' j) is expressed as corresponding to numerical value in all hazardous act movements
The smallest sequence code, max (b ' j) are expressed as corresponding to the maximum sequence code of numerical value in all hazardous act movements.
Further, the normal line is the straight line of map Plays, and normal line crosses the standard point of setting, and standard point is set
In the region where circuit orbit, when normal line is rotated clockwise by fixed point of standard point, and rotates angle and be less than
180 ° reach angle lines to be measured, then the angle to be measured is positive value, the value conversely, angle to be measured is negative.
Further, the calculation formula of the drowning danger coefficient of swimmer is
Drowning danger coefficient is bigger, shows swimmer
More dangerous, ρ is expressed as reference factor, and 0.52, τ is taken to be expressed as the corresponding swimming of water level depth of swimmer region subelement
Danger coefficient, λ are expressed as influencing coefficient, and r ' s indicates the ratio between text and s-th of emergency keyword in the acoustic information of conversion
To situation, r ' s takes 1 or 0, gj to be expressed as the numerical value that j-th of hazardous act acts corresponding normalized, and gj is in the section 0-1
It is interior.
Based on the monitoring rescue mode of Image Acquisition identification, the following steps are included:
The acoustic information of S1, the location information for acquiring swimmer and swimmer；
S2, terminal is obtained apart from shortest fixed point according to the control of the location information of swimmer and swimmer, and is shot
The image information of swimmer；
S3, acoustic information and the keyword in emergency set of keywords of swimmer are compared one by one, and will swimming
The image information of person is compared one by one with each hazardous act movement in dangerous swimming behavior set of actions, respectively obtains comparison
Set of keywords of crying for help and dangerous play compare behavior set；
S4, the corresponding sequence code of hazardous act movement each in dangerous play comparison behavior set is normalized,
Obtain dangerous play behavior normalization set；
S5, cried for help according to the corresponding swimmer's danger coefficient of water level depth where swimmer, comparison set of keywords and danger
Dangerous action behavior normalization set, calculates the drowning danger coefficient of the swimmer；
S6, it will acquire drowning danger coefficient and the standard drowning danger coefficient of setting compares, if the swimmer's drowns
Water danger coefficient is greater than the standard drowning danger coefficient of setting, then sends out the location information of the swimmer and drowning danger coefficient
It send to rescue personnel；
S7, rescue personnel carry out the rescue of drowned personnel according to location information.
Beneficial effects of the present invention:
Intelligent safety monitoring system and monitoring rescue mode provided by the invention based on Image Acquisition identification, passes through user
Terminal obtains position and the acoustic information of swimmer, and management server is according to swimmer position to determine apart from swimmer
Terminal is obtained apart from nearest fixed point, and controls fixed point acquisition terminal and the image of swimmer is acquired, can effectively be obtained
Take sound and image of the swimmer during swimming；
A series of processing are carried out by sound and image of the management server to swimmer, obtained comparison emergency keyword
Set and dangerous play behavior normalization set, and gather swimmer and be currently sitting in depth of water depth acquisition swimmer's danger coefficient,
For drowning danger coefficient of real-time statistics swimmer during swimming, the drowned of swimmer can be quickly and accurately calculated
Danger coefficient improves detection efficiency and accuracy that swimmer drowns, and improves the efficiency of drowning rescue, convenient for being swimming
Person provides safe and reliable swimming environment, reduces the drowned injures and deaths of personnel, has the characteristics that intelligence.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Angle schematic diagram of the Fig. 1 between middle reaches swimmer of the present invention and camera；
Fig. 2 is the schematic diagram of the intelligent safety monitoring system based on Image Acquisition identification in the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 2, based on the intelligent safety monitoring system of Image Acquisition identification, including field division module, deposits
It stores up database, user terminal, management server, alarm indication terminal and several fixed points and obtains terminal；Management server respectively with
Field division module, storing data library, user terminal, alarm indication terminal and several fixed points obtain terminal and connect；
Field division module is divided into several interconnections and area for dividing to swimmer's water went swimming place
Identical region subelement, different zones subelement correspond to different numbers, successively single to each region according to the sequence of setting
Member is numbered, and respectively 1,2 ..., i ..., n, n are expressed as the total quantity of the region subelement divided；
Storing data library is for storing the corresponding position range of different zones subelement and the corresponding water of each region subelement
Bit depth, different water level depths correspond to different swimming danger coefficients, and store the fixed point being located in each territory element and obtain eventually
Corresponding position coordinates are held, meanwhile, store the hazardous act movement of several emergency keywords and swimmer during swimming
Or behavior act image is called for help, several emergency keywords, which are constituted, cries for help set of keywords R (r1, r2 ..., rs), and rs is expressed as the
S emergency keyword；Swimmer's hazardous act is acted and is called for help the corresponding each behavior act of behavior act according to the row of setting
It is arranged for sequence of movement, and constitutes dangerous swimming behavior set of actions B (b1, b2 ..., bj ..., bf), bj is expressed as
J-th of hazardous act movement, f are expressed as the quantity of dangerous swimming behavior movement in dangerous swimming behavior set of actions, wherein danger
Each hazardous act acts corresponding sequence code and constitutes hazardous act action sequence code collection conjunction D in dangerous swimming behavior set of actions B
(d1, d2 ..., dj ..., df), dj are expressed as j-th of hazardous act and act corresponding sequence code, each hazardous act movement pair
The sequence code answered is made of t bit, and the corresponding sequence code of different behavior acts is different, any hazardous act movement pair
The sequence code numerical value answered is different, and the risk of hazardous act movement is bigger, and corresponding sequence code numerical value is also bigger；
In addition, as shown in Figure 1, storing data library storage fixed point, which obtains each pressure sensor in terminal, numbers corresponding angle
Degree, i.e., the standard point line of each number pressure sensor and setting constitute the comparison straight line of reference numeral, the comparison straight line pair
The number answered number corresponding with the pressure sensor is identical, and normal line crosses standard point, if normal line is to fix with standard point
Point is rotated, if rotating clockwise and rotating angle less than 180 °, shows the corresponding angle of number pressure sensor
For positive value, conversely, being then negative value, by the angle mark between the line and normal line between r-th of number pressure sensor and standard point
It is denoted as first angle θr；
User terminal is worn on swimmer's arm, for acquiring the location information of swimmer and the sound of acquisition in real time
Information, and the location information of acquisition and acoustic information are sent to management server；
Wherein, user terminal includes that positioning obtains module, processor, voice acquisition module and the first communication transmission module,
Processor obtains module, voice acquisition module, the first communication transmission module with positioning respectively and connect, and the positioning obtains module and uses
In the location information for obtaining swimmer in real time, and the location information where the swimmer that will acquire is sent to processor；Voice is adopted
Integrate module as voice collector, for acquiring acoustic information in real time, and the acoustic information of acquisition is sent to processor, processor
It receives positioning to obtain location information that module sends, receive the acoustic information that voice acquisition module is sent, and by received swimming
The location information and acoustic information of person is sent to the first communication transmission module, and first communication transmission module is using wireless communication
Network, location information and acoustic information for sending processor are sent to management server；
Fixed point obtains the control instruction that terminal is used to receive management server transmission, and control instruction is to camera shooting based on the received
Angle where head is adjusted, and carries out image taking after the completion of the angular adjustment, and by the image information of the swimmer of shooting
It is sent to management server；
Each fixed point obtains terminal and is separately mounted to the center position of each region subelement, and is mounted on a region subelement
Interior fixed point acquisition terminal is identical as the corresponding number of region subelement, and it includes that image obtains mould that the fixed point, which obtains terminal,
Block, controller, execution module, the second communication transmission module, controller are logical with image collection module, execution module and second respectively
Believe transmission module connection；
Image collection module is high-definition camera, for receiving the control instruction of controller transmission, the image of collector
Information, and the image information of acquisition is sent to controller；
Execution module includes stepper motor, rotation connecting shaft, circuit orbit, mounting seat and several pressure sensors, institute
Stating stepper motor output end is bevel gear, and the bevel gear of stepper motor output end and the bevel gear of rotation one end of the connecting shaft match
It closing, the rotation connecting shaft other end is connect with the mounting seat being mounted on circuit orbit, and circuit orbit upper surface is provided with baltimore groove,
It is evenly distributed with pressure sensor in baltimore groove, is mounted on several pressure sensors in circuit orbit baltimore groove according to clockwise
It is numbered, respectively 1,2 ..., r, mounting seat is mounted on the circuit orbit equipped with pressure sensor, in mounting seat
Image collection module is installed, when stepper motor works, by stepper motor output end and rotation connecting shaft intermeshing, is driven
Rotation connecting shaft is rotated, and rotation connecting shaft rotation drives mounting seat to be rotated on circuit orbit, and image obtains
Module rotates on circuit orbit with mounting seat, when mounting seat rotates to certain position, installs pressure in the position
Force snesor detects pressure value, and the pressure information that respectively numbering corresponding pressure sensor will test is sent to controller；
Second communication transmission module is used to receive the image taking control instruction of management server transmission and rotation adjusts control
System instruction, and received image taking control instruction and rotation regulating control command are sent to controller, meanwhile, receive control
The pressure information for each number pressure sensor detection that device is sent, and the pressure information of each number pressure sensor detection is sent
To management server；
Controller receives each number sensor inspection that the image information that image collection module is sent and execution module are sent
The pressure information of survey, and the pressure information that received image information and each number sensor detect is sent to the second communications
Module, and image taking control instruction and rotation regulating control command that the second communication transmission module is sent are received, according to reception
Image taking control instruction to image collection module carry out image taking control, based on the received rotate regulating control command pair
Stepper motor in execution module is controlled；
When controller receives the rotation regulating control command that management server is sent, controller sends control instruction to holding
Stepper motor in row module, stepper motor drive and are connected with rotation connecting shaft by being intermeshed with rotation connection between centers
Mounting seat rotated on circuit orbit so that image capture module is rotated along circuit orbit, revolving
During turning, pressure information suffered by several pressure sensor real-time detections in circuit orbit baltimore groove, and will be each
The corresponding pressure information of number pressure sensor is sent to controller, until management server, which is sent, stops control instruction, then walks
It stops working into motor, at this point, the image taking control instruction control image that controller is sent according to management server obtains mould
Block carries out image taking, and the image information of shooting is fed back to controller.
The location information and acoustic information for the swimmer that management server is sent for real-time reception user terminal, and extract
Respectively fixed point obtains the location information of terminal in storing data library, and the position that the position of swimmer, each fixed point obtain terminal is imported
To map, with count swimmer apart from it is each fixed point obtain terminal distance, obtain distance statistics set X (x1, x2 ...,
Xi ..., xn), xi is expressed as the distance that i-th of swimmer's distance fixed point obtains terminal, filters out the middle reaches distance statistics set X
Swimmer obtains the smallest fixed point of distance in terminal apart from each fixed point and obtains terminal, and the position that will obtain terminal apart from the smallest fixed point
It sets and carries out line with the position of swimmer, constitute angle line to be measured, and angle line to be measured and the normal line of setting are intersected,
Each angle set in angle to be measured that angle line to be measured is formed with normal line and storing data library is compared, with obtain to
The angle of measuring angle line and normal line, referred to as second angle β, wherein normal line is the straight line of map Plays, and normal line mistake
The standard point of setting, standard point is located in the region where circuit orbit and is the center of circuit orbit, when normal line is with standard
Point is that fixed point is rotated clockwise, and is rotated angle and reached angle lines to be measured less than 180 °, then the angle to be measured is positive value,
The value conversely, angle to be measured is negative, as shown in Figure 1；
Management server, which is received, obtains each number pressure sensor that terminal is sent apart from shortest fixed point apart from swimmer
The pressure information of detection carries out the normal pressure threshold values of the pressure information of received each number pressure sensor detection and setting
Comparison, extracts the pressure sensor number that pressure information is greater than the normal pressure threshold values of setting, and the normal pressure threshold values is
The 80% of the weight of image collection module, management server are numbered according to the pressure sensor of acquisition, are mentioned from storing data library
The corresponding first angle θ of the number sensor is taken, and combines second angle β, if the equal < 0 of the equal > 0 or θ and β of θ and β, camera
Angle between swimmer isIf one is greater than 0 in θ and β, another is less than 0, then between camera and swimmer
Angle beManagement server is by the angle between camera and swimmerWith 1/2 shooting angle of camera
Range compares, if being less than 1/2 shooting angle range of camera, management server, which does not send rotation and adjusts to control, to be referred to
It enables, until sending image taking control instruction to the fixed point obtains terminal, fixed point obtains the controller in terminal and sends control instruction
To image collection module, image taking is carried out, if more than 1/2 shooting angle range of camera, then management server sends rotation
Turn regulating control command and image taking control instruction to the fixed point and obtain terminal, the controller that fixed point obtains terminal controls stepping
Motor work, and then slide image collection module on circuit orbit, until the angle between camera and swimmerIt is less than
1/2 shooting angle of camera, at this point, stepper motor stops working, controller sends control instruction to image collection module, figure
As obtaining module progress image taking and by the image feedback of shooting to controller, the image information of shooting is sent to by controller
Management server；
Management server extracts the acoustic information that user terminal is sent, and acoustic information is filtered processing, with filtering
Water wave sound in acoustic information, converts filtered sound, is converted into text, and by the text of conversion respectively with deposit
Keyword in the emergency set of keywords of storage compares, and obtains comparison emergency set of keywords R ' (r ' 1, r ' 2 ..., r '
S), r ' s indicates the comparison situation between text and s-th of emergency keyword in the acoustic information of conversion, the emergency keyword
R ' s is taken to be equal to if there is s-th of emergency keyword in the text of sound conversion including " help ", " rescuing me ", " help " etc.
1, conversely, r ' s is then taken to be equal to 0；
Management server receives the image information that fixed point obtains the swimmer that terminal is sent, and believes received every frame image
Behavior act in breath extracts, and by the behavior act of extraction respectively with the dangerous swimming behavior that is stored in storing data library
Each hazardous act movement in set of actions compares, and obtains dangerous play comparison behavior set B ' (b ' 1, b ' 2 ..., b '
F), b ' j is expressed as in image acting identical hazardous act movement with the presence or absence of with j-th of hazardous act, if figure by j ..., b '
Exist as in and act identical behavior act with j-th of hazardous act, then b ' j is taken to be equal to 1, conversely, b ' j is then taken to be equal to 0, according to
Dangerous play compares acts identical behavior act with hazardous act in behavior set, and closes from hazardous act action sequence code collection
Middle extraction hazardous act acts corresponding sequence code, if there is no act identical danger with j-th of hazardous act in image
Behavior act, then it is 0 that the behavior, which acts corresponding sequence code, conversely, corresponding sequence code then is acted for j-th of hazardous act,
Corresponding sequence code is acted to each hazardous act in dangerous play comparison behavior sequence code collection conjunction to be normalized, and is normalized
The formula of processing isS (b ' j) is expressed as j-th hazardous act movement pair of the b ' j greater than 0
The sequence code answered, min (b ' j) are expressed as corresponding to the smallest sequence code of numerical value in all hazardous act movements, and max (b ' j) is indicated
To correspond to the maximum sequence code of numerical value in the movement of all hazardous acts, by the hazardous act action sequence code structure after normalized
Set G (g1, g2 ..., gj ..., gf) is normalized at dangerous play behavior, gj is expressed as j-th of hazardous act movement and corresponds to
Normalized numerical value, and the corresponding sequence code of not dangerous behavior act is 0, and the numerical value after corresponding normalized is same
Sample is set as 0；
Management server obtains the corresponding swimming danger coefficient of water level depth of swimmer region subelement, and combines
Comparison emergency set of keywords, the drowning danger coefficient of dangerous play behavior normalization set statistics swimmer in water
Drowning danger coefficient is bigger, shows swimmer
More dangerous, ρ is expressed as reference factor, and 0.52, τ is taken to be expressed as the corresponding swimming of water level depth of swimmer region subelement
Danger coefficient, λ are expressed as influencing coefficient, and r ' s indicates the ratio between text and s-th of emergency keyword in the acoustic information of conversion
To situation, r ' s takes 1 or 0, gj to be expressed as the numerical value that j-th of hazardous act acts corresponding normalized, and gj is in the section 0-1
Interior, the location information of swimmer and drowning danger coefficient are greater than the trip of the standard drowning danger coefficient of setting by management server
The drowning danger coefficient of swimmer is respectively sent to alarm indication terminal；
Alarm indication terminal is used to receive the location information and drowning danger coefficient of the swimmer of management server transmission,
And display and warning reminding are carried out, the position that drowned personnel occur and drowning danger coefficient are intuitively understood convenient for rescue personnel,
Facilitate personnel to rescue drowned personnel, improve detection efficiency and accuracy that swimmer drowns, and improves drowned rescue
The efficiency helped reduces the error rate of casualties and drowned detection convenient for providing safe and reliable swimming environment for swimmer.
Based on the monitoring rescue mode of Image Acquisition identification, the following steps are included:
The acoustic information of S1, the location information for acquiring swimmer and swimmer；
S2, terminal is obtained apart from shortest fixed point according to the control of the location information of swimmer and swimmer, and is shot
The image information of swimmer；
S3, acoustic information and the keyword in emergency set of keywords of swimmer are compared one by one, and will swimming
The image information of person is compared one by one with each hazardous act movement in dangerous swimming behavior set of actions, respectively obtains comparison
Set of keywords of crying for help and dangerous play compare behavior set；
S4, the corresponding sequence code of hazardous act movement each in dangerous play comparison behavior set is normalized,
Obtain dangerous play behavior normalization set；
S5, cried for help according to the corresponding swimmer's danger coefficient of water level depth where swimmer, comparison set of keywords and danger
Dangerous action behavior normalization set, calculates the drowning danger coefficient of the swimmer；
S6, it will acquire drowning danger coefficient and the standard drowning danger coefficient of setting compares, if the swimmer's drowns
Water danger coefficient is greater than the standard drowning danger coefficient of setting, then sends out the location information of the swimmer and drowning danger coefficient
It send to rescue personnel；
S7, rescue personnel carry out the rescue of drowned personnel according to location information.
Intelligent safety monitoring system and monitoring rescue mode provided by the invention based on Image Acquisition identification, passes through user
Terminal obtains position and the acoustic information of swimmer, and management server is according to swimmer position to determine apart from swimmer
Terminal is obtained apart from nearest fixed point, and controls fixed point acquisition terminal and the image of swimmer is acquired, can effectively be obtained
Take sound and image of the swimmer during swimming；
A series of processing are carried out by sound and image of the management server to swimmer, obtained comparison emergency keyword
Set and dangerous play behavior normalization set, and gather swimmer and be currently sitting in depth of water depth acquisition swimmer's danger coefficient,
For drowning danger coefficient of real-time statistics swimmer during swimming, the drowned of swimmer can be quickly and accurately calculated
Danger coefficient improves detection efficiency and accuracy that swimmer drowns, and improves the efficiency of drowning rescue, convenient for being swimming
Person provides safe and reliable swimming environment, reduces the drowned injures and deaths of personnel, has the characteristics that intelligence.
The above content is just an example and description of the concept of the present invention, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from invention
Design or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (10)
1. the intelligent safety monitoring system based on Image Acquisition identification, it is characterised in that: including field division module, storing data
Library, user terminal, management server, alarm indication terminal and several fixed points obtain terminal；Management server is drawn with place respectively
Sub-module, storing data library, user terminal, alarm indication terminal and several fixed points obtain terminal and connect；
Field division module is divided into several interconnections and area is identical for dividing to swimmer's water went swimming place
Region subelement, different zones subelement corresponds to different numbers, according to setting sequence successively to each region subelement into
Row number, respectively 1,2 ..., i ..., n, n are expressed as the total quantity of the region subelement divided；
Storing data library is deep for storing the corresponding position range of different zones subelement and the corresponding water level of each region subelement
Degree, different water level depths correspond to different swimming danger coefficients, and store the fixed point being located in each territory element and obtain terminal pair
The position coordinates answered, meanwhile, it stores the hazardous act of several emergency keywords and swimmer during swimming and acts or exhale
Behavior act image is rescued, several emergency keywords constitute emergency set of keywords R (r1, r2 ..., rs), and rs is expressed as s-th
Emergency keyword；The corresponding each behavior act of behavior act is acted and calls for help by swimmer's hazardous act to move according to the behavior of setting
Work sequence is arranged, and constitutes dangerous swimming behavior set of actions B (b1, b2 ..., bj ..., bf), and bj is expressed as j-th
Hazardous act movement, f are expressed as the quantity of dangerous swimming behavior movement in dangerous swimming behavior set of actions, wherein danger trip
Each hazardous act in behavior act set B of swimming act corresponding sequence code constitute hazardous act action sequence code collection close D (d1,
D2 ..., dj ..., df), dj is expressed as j-th of hazardous act and acts corresponding sequence code；
In addition, storing data library storage fixed point, which obtains each pressure sensor in terminal, numbers corresponding angle, i.e., each number pressure
The standard point line of sensor and setting constitutes the comparison straight line of reference numeral, the number and the pressure of the comparison line correspondences
The corresponding number of force snesor is identical, and normal line crosses standard point, if normal line is rotated by fixed point of standard point, if edge
It rotates clockwise and rotates angle less than 180 °, then show that the corresponding angle of number pressure sensor is positive value, conversely, being then
Angle mark between line and normal line between r-th of number pressure sensor and standard point is first angle θ by negative valuer；
User terminal is worn on swimmer's arm, for acquiring the location information of swimmer and the sound letter of acquisition in real time
Breath, and the location information of acquisition and acoustic information are sent to management server；
Fixed point obtains the control instruction that terminal is used to receive management server transmission, and control instruction is to camera institute based on the received
Angle be adjusted, image taking is carried out after the completion of the angular adjustment, and the image information of the swimmer of shooting is sent
To management server；
The location information and acoustic information for the swimmer that management server is sent for real-time reception user terminal, and extract storage
Respectively fixed point obtains the location information of terminal in database, is directed into ground for the position that the position of swimmer, each fixed point obtain terminal
On figure, with count swimmer apart from it is each fixed point obtain terminal distance, obtain distance statistics set X (x1, x2 ..., xi ...,
Xn), xi is expressed as the distance that i-th of swimmer's distance fixed point obtains terminal, filters out the middle reaches distance statistics set X swimmer's distance
Each fixed point obtains the smallest fixed point of distance in terminal and obtains terminal, and position and the swimming that will obtain terminal apart from the smallest fixed point
The position of person carries out line, angle line to be measured is constituted, and angle line to be measured and the normal line of setting are intersected, by angle measurement
It spends each angle set in the angle to be measured and storing data library that line is formed with normal line to compare, to obtain angle line to be measured
With the angle of normal line, referred to as second angle β；
Management server extracts the acoustic information that user terminal is sent, and acoustic information is filtered processing, to filter sound
Water wave sound in information, converts filtered sound, is converted into text, and by the text of conversion respectively with storage
Keyword in emergency set of keywords compares, and obtains comparison emergency set of keywords R ' (r ' 1, r ' 2 ..., r ' s), r '
S indicates the comparison situation between text and s-th of emergency keyword in the acoustic information of conversion, if going out in the text of sound conversion
Existing s-th of emergency keyword, then take r ' s to be equal to 1, conversely, r ' s is then taken to be equal to 0；
Management server receives the image information that fixed point obtains the swimmer that terminal is sent, and in received every frame image information
Behavior act extract, and the behavior act of extraction is acted with the dangerous swimming behavior that stores in storing data library respectively
Each hazardous act movement in set compares, and obtains dangerous play comparison behavior set B ' (b ' 1, b ' 2 ..., b '
F), b ' j is expressed as in image acting identical hazardous act movement with the presence or absence of with j-th of hazardous act, if figure by j ..., b '
Exist as in and act identical behavior act with j-th of hazardous act, then b ' j is taken to be equal to 1, conversely, b ' j is then taken to be equal to 0, according to
Dangerous play compares acts identical behavior act with hazardous act in behavior set, and closes from hazardous act action sequence code collection
Middle extraction hazardous act acts corresponding sequence code, if there is no act identical danger with j-th of hazardous act in image
Behavior act, then it is 0 that the behavior, which acts corresponding sequence code, conversely, corresponding sequence code then is acted for j-th of hazardous act,
It acts corresponding sequence code to each hazardous act in dangerous play comparison behavior sequence code collection conjunction to be normalized, by normalizing
Change treated hazardous act action sequence code and constitute dangerous play behavior normalization set G (g1, g2 ..., gj ..., gf),
Gj is expressed as the numerical value that j-th of hazardous act acts corresponding normalized, and the corresponding sequence code of not dangerous behavior act
It is 0, the numerical value after corresponding normalized is likewise provided as 0；
Management server obtains the corresponding swimming danger coefficient of water level depth of swimmer region subelement, and combines comparison
Set of keywords, the dangerous play behavior normalization set of crying for help count the drowning danger coefficient of swimmer in water, management service
The location information of swimmer and drowning danger coefficient are greater than the drowned of the swimmer of the standard drowning danger coefficient of setting by device
Danger coefficient is respectively sent to alarm indication terminal；
Alarm indication terminal is used to receive the location information and drowning danger coefficient of the swimmer of management server transmission, goes forward side by side
Row display and warning reminding.
2. the intelligent safety monitoring system according to claim 1 based on Image Acquisition identification, it is characterised in that: each danger
The corresponding sequence code of behavior act is made of t bit, and any hazardous act acts corresponding sequence code numerical value not
Together, the risk of hazardous act movement is bigger, and corresponding sequence code numerical value is also bigger.
3. the intelligent safety monitoring system according to claim 1 based on Image Acquisition identification, it is characterised in that: the use
Family terminal includes that positioning obtains module, processor, voice acquisition module and the first communication transmission module, processor respectively with positioning
Obtain module, voice acquisition module, the connection of the first communication transmission module；
The positioning obtains module for obtaining the location information of swimmer in real time, and the position letter where the swimmer that will acquire
Breath is sent to processor；Voice acquisition module is voice collector, is believed for acquiring acoustic information in real time, and by the sound of acquisition
Breath is sent to processor, and processor receives positioning and obtains the location information of module transmission, receives the sound that voice acquisition module is sent
Message breath, and the location information of received swimmer and acoustic information are sent to the first communication transmission module, described first is logical
Believe that transmission module uses cordless communication network, location information and acoustic information for sending processor are sent to management service
Device.
4. the intelligent safety monitoring system according to claim 1 based on Image Acquisition identification, it is characterised in that: each fixed point
The fixed point that terminal is separately mounted to the center position of each region subelement, and is mounted in a region subelement is obtained to obtain eventually
End is identical as the corresponding number of region subelement, and the fixed point obtains terminal and includes image collection module, controller, executes mould
Block, the second communication transmission module, controller are connect with image collection module, execution module and the second communication transmission module respectively；
Image collection module is high-definition camera, the control instruction sent for receiving controller, the image information of collector,
And the image information of acquisition is sent to controller；
Execution module includes stepper motor, rotation connecting shaft, circuit orbit, mounting seat and several pressure sensors, the step
It is bevel gear into motor output end, the bevel gear of stepper motor output end matches with the bevel gear of rotation one end of the connecting shaft, revolves
Turn the connecting shaft other end and connect with the mounting seat being mounted on circuit orbit, circuit orbit upper surface is provided with baltimore groove, spill
Pressure sensor is evenly distributed in slot, several pressure sensors being mounted in circuit orbit baltimore groove are carried out according to clockwise
Number, respectively 1,2 ..., r, mounting seat are mounted on the circuit orbit equipped with pressure sensor, install in mounting seat
There is image collection module, when stepper motor works, by stepper motor output end and rotation connecting shaft intermeshing, drives rotation
Connecting shaft is rotated, and rotation connecting shaft rotation drives mounting seat to be rotated on circuit orbit, and image collection module
It is rotated on circuit orbit with mounting seat, when mounting seat rotates to certain position, the pressure installed in the position is passed
Sensor detects pressure value, and the pressure information that respectively numbering corresponding pressure sensor will test is sent to controller；
Second communication transmission module is used to receive the image taking control instruction of management server transmission and rotation adjusts control and refers to
It enables, and received image taking control instruction and rotation regulating control command is sent to controller, meanwhile, receive controller hair
The pressure information for each number pressure sensor detection sent, and the pressure information that each number pressure sensor detects is sent to pipe
Manage server；
Controller receives each number sensor detection that the image information that image collection module is sent and execution module are sent
Pressure information, and the pressure information that received image information and each number sensor detect is sent to the second communications mould
Block, and image taking control instruction and rotation regulating control command that the second communication transmission module is sent are received, based on the received
Image taking control instruction carries out image taking control to image collection module, rotates regulating control command based on the received to holding
Stepper motor in row module is controlled.
5. the intelligent safety monitoring system according to claim 1 based on Image Acquisition identification, it is characterised in that: work as control
When device receives the rotation regulating control command that management server is sent, controller sends stepping of the control instruction into execution module
Motor, stepper motor drive the mounting seat being connected with rotation connecting shaft in circle by being intermeshed with rotation connection between centers
It is rotated on shape track, so that image capture module is rotated along circuit orbit, during rotation, is located at
Pressure information suffered by several pressure sensor real-time detections in circuit orbit baltimore groove, and by each number pressure sensor pair
The pressure information answered is sent to controller, until management server, which is sent, stops control instruction, then stepper motor stops working, this
When, the image taking control instruction control image collection module that controller is sent according to management server carries out image taking, and
The image information of shooting is fed back into controller.
6. the intelligent safety monitoring system according to claim 1 based on Image Acquisition identification, it is characterised in that: the pipe
It manages server and receives the pressure for obtaining each number pressure sensor detection that terminal is sent apart from shortest fixed point apart from swimmer
The normal pressure threshold values of the pressure information of received each number pressure sensor detection and setting is compared, is extracted by information
Pressure information is greater than the pressure sensor number of the normal pressure threshold values of setting out, and the normal pressure threshold values is that image obtains mould
The 80% of the weight of block, management server are numbered according to the pressure sensor of acquisition, and number biography is extracted from storing data library
The corresponding first angle θ of sensor, and second angle β is combined, if the equal < 0 of the equal > 0 or θ and β of θ and β, between camera and swimmer
Angle beIf one is greater than 0 in θ and β, another is less than 0, then the angle between camera and swimmer isManagement server is by the angle between camera and swimmerIt is carried out with 1/2 shooting angle range of camera
Comparison, if being less than 1/2 shooting angle range of camera, management server does not send rotation regulating control command, until sending
Image taking control instruction to the fixed point obtains terminal, and fixed point obtains the controller in terminal and sends control instruction to image acquisition
Module carries out image taking, and if more than 1/2 shooting angle range of camera, then management server sends rotation and adjusts control
Instruction and image taking control instruction to the fixed point obtain terminal, and fixed point obtains the controller control stepper motor work of terminal,
And then slide image collection module on circuit orbit, until the angle between camera and swimmerLess than the 1/ of camera
2 shooting angle, at this point, stepper motor stops working, controller sends control instruction to image collection module, image collection module
Image taking and by the image feedback of shooting to controller is carried out, the image information of shooting is sent to management service by controller
Device.
7. the intelligent safety monitoring system according to claim 1 based on Image Acquisition identification, it is characterised in that: described to return
One, which changes the formula handled, isS (b ' j) is expressed as j-th hazardous act of the b ' j greater than 0 and acts
Corresponding sequence code, min (b ' j) are expressed as corresponding to the smallest sequence code of numerical value, max (b ' j) table in all hazardous act movements
It is shown as corresponding to the maximum sequence code of numerical value in all hazardous act movements.
8. the intelligent safety monitoring system according to claim 1 based on Image Acquisition identification, it is characterised in that: the mark
Directrix is the straight line of map Plays, and normal line crosses the standard point of setting, and standard point is located in the region where circuit orbit,
It when normal line is rotated clockwise by fixed point of standard point, and rotates angle and reaches angle lines to be measured less than 180 °, then should
Angle to be measured is positive value, the value conversely, angle to be measured is negative.
9. the intelligent safety monitoring system according to claim 1 based on Image Acquisition identification, it is characterised in that: swimmer
The calculation formula of drowning danger coefficient beDrowned danger
Dangerous coefficient is bigger, shows that swimmer is more dangerous, and ρ is expressed as reference factor, takes 0.52, τ to be expressed as swimmer region single
The corresponding swimming danger coefficient of water level depth of member, λ are expressed as influencing coefficient, and r ' s indicates the text in the acoustic information of conversion
With the comparison situation between s-th of keyword of crying for help, r ' s takes 1 or 0, gj to be expressed as j-th of hazardous act and acts corresponding normalization
The numerical value of processing, gj is in the section 0-1.
10. the monitoring rescue mode based on Image Acquisition identification, it is characterised in that: the following steps are included:
The acoustic information of S1, the location information for acquiring swimmer and swimmer；
S2, terminal is obtained apart from shortest fixed point according to the control of the location information of swimmer and swimmer, and carries out shooting swimming
The image information of person；
S3, acoustic information and the keyword in emergency set of keywords of swimmer are compared one by one, and by swimmer's
Image information is compared one by one with each hazardous act movement in dangerous swimming behavior set of actions, respectively obtains comparison emergency
Set of keywords and dangerous play compare behavior set；
S4, the corresponding sequence code of hazardous act movement each in dangerous play comparison behavior set is normalized, is obtained
Dangerous play behavior normalization set；
S5, it is moved according to the corresponding swimmer's danger coefficient of water level depth where swimmer, comparison emergency set of keywords and danger
Make behavior normalization set, calculates the drowning danger coefficient of the swimmer；
S6, it will acquire drowning danger coefficient and the standard drowning danger coefficient of setting compares, if the drowned danger of the swimmer
Dangerous coefficient is greater than the standard drowning danger coefficient of setting, then is sent to the location information of the swimmer and drowning danger coefficient
Rescue personnel；
S7, rescue personnel carry out the rescue of drowned personnel according to location information.
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