CN115946828A - Water life-saving equipment and use method thereof - Google Patents
Water life-saving equipment and use method thereof Download PDFInfo
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- CN115946828A CN115946828A CN202310035258.4A CN202310035258A CN115946828A CN 115946828 A CN115946828 A CN 115946828A CN 202310035258 A CN202310035258 A CN 202310035258A CN 115946828 A CN115946828 A CN 115946828A
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- 230000033001 locomotion Effects 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 6
- 230000009429 distress Effects 0.000 claims description 3
- 230000001121 heart beat frequency Effects 0.000 claims description 3
- 230000035790 physiological processes and functions Effects 0.000 claims description 3
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- 239000003721 gunpowder Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
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- 230000037237 body shape Effects 0.000 description 1
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Abstract
The invention relates to the field of water lifesaving, and particularly discloses water lifesaving equipment and a using method thereof, wherein the water lifesaving equipment comprises a bracelet, a controller, a transmitting device and an adjusting mechanism, wherein the bracelet is used for monitoring a track parameter, a heartbeat parameter and a swing arm parameter of a user and a sound parameter under the current environment in real time and transmitting a signal; according to the invention, the threaded rod is driven by the motor to rotate, the height disc is driven to rotate in a reciprocating manner, the height disc is made to reciprocate up and down under the limiting action of the vertical plate, the change of the horizontal angle and the vertical angle of the launching mechanism is realized, the motion state parameters are further judged on the basis of judging the body state parameters of a user, and the accuracy of safety judgment on the state of the user can be further improved.
Description
Technical Field
The invention relates to the technical field of water lifesaving, in particular to water lifesaving equipment and a using method thereof.
Background
The water lifesaving refers to a rescue measure taken when people have an accident during water activities, and in the water lifesaving process, various rescue equipment such as a common throwing device can be used for throwing the rescue equipment to the side of a person to be rescued, a rope throwing device, a cable throwing gun, a rope throwing gun, a throwing device and the like is used, and the rope throwing device is a device for throwing ropes remotely. The method is mainly applied to relevant rescue fields such as marine rescue, rescue of special troops with glimpse, fire rescue, hong You torrent and the like. The mooring rope and the bullet body have different forms according to different purposes, and can be used for throwing the automatic inflatable life buoy with the cable, the hook with the cable and the like. According to the different power sources of the rope thrower, the rope thrower can be divided into two forms of a gunpowder rope thrower and a pneumatic rope thrower. The gunpowder rope throwing device is improved on the basis of the traditional gunpowder gun, the gunpowder rope throwing device is powered by gunpowder, but the gunpowder rope throwing device has the fatal defects of high danger of operating and storing the gunpowder, susceptibility to wetting and failure of the gunpowder and the like, and is gradually replaced by a pneumatic rope throwing device.
The existing pneumatic rope thrower has various forms and still has the same basic principle, and is launched by taking high-pressure air as power and using the pushing action of high-speed airflow generated by instantly releasing the high-pressure air, and the high-pressure air is stored in a working air cavity or an air bottle of the rope thrower; in the use, at first need drag out one section with the stay cord in the connecting cylinder of rescue bullet, on starting handle, adjust the launch angle of rescue bullet, and launch the required certain pressure strength of valve release, press the switch on the handle, high-pressure air releases in the twinkling of an eye, produce high velocity air and use on the connecting cylinder of rescue bullet for the rescue bullet launches, rescue bullet has streamlined body design, and has the fin, not only improved the flight stability of body, still improved the anti-wind performance of body. The trigger in the rescue bomb can be dissolved rapidly after meeting water, the ejector rod in the base impacts the puncture needle under the action of the pressure spring to puncture the CO2 gas cylinder and inflate the life buoy, so that the life buoy can be inflated and expanded rapidly, the life buoy can be supported and moved to the shore for rescue by rescuees in time through the pull rope, the rescue time of the rescuees in case of accidents on water can be greatly shortened, and the survival probability of the rescuees can be improved.
Present life-saving equipment uses and aims the difficulty, most of throwing rope wares do not be equipped with special sight or simply aim the utensil, be difficult to carry out the accuracy to the target and aim, it is inconvenient to adjust the range operation with changing atmospheric pressure, can not accurately launch to by the rescuer side, and present throwing the ware because too bulky, inconvenient carrying, and can't in time judge out personnel's the drowned condition, generally all observe the discovery by the rescuer, can't ensure rescue equipment in the in service behavior at night, consequently it is necessary to improve prior art, in order to solve above-mentioned problem.
Disclosure of Invention
The invention aims to provide water lifesaving equipment and a using method thereof, and solves the following technical problems:
how to realize accurate rescue under the abnormal state of the rescue equipment to the rescued people.
The purpose of the invention can be realized by the following technical scheme:
a water life saving device comprising:
the bracelet is used for monitoring and transmitting signals of track parameters, heartbeat parameters, swing arm parameters of a user and sound parameters in the current environment in real time;
the controller is used for receiving the information sent by the bracelet, analyzing and processing the information and sending the information in time according to the result;
the transmitting device is used for rescuing the user through transmitting rescue equipment;
the adjusting mechanism is used for receiving the information sent by the controller and adjusting the transmitting device;
the bracelet is communicated with the controller, the controller judges personnel motion state parameters according to current heartbeat parameters and swing arm parameters, judges personnel safety states according to current detected track parameters and sound parameters, and adjusts the transmitting device according to a judgment result.
Further, emitter includes the safety cover, be provided with the cylinder in the safety cover, the fender frame outer wall has the launching tube through buckle fixed mounting, the top fixed joint of launching tube has the support, support inner wall fixed mounting has the actuating lever, and the one end of the actuating lever of saying is provided with the safety button, it is connected with the transmission switch to rotate on the support, the one end joint that the safety cover was kept away from to the launching tube has the rescue bullet, the bottom of rescue bullet is provided with the rescue rope.
Furthermore, the adjusting mechanism comprises a launching platform, a groove is formed in a vertical plate of the launching platform in a penetrating mode, a threaded rod is connected in the groove in a rotating mode, a height disc is connected to the outer surface of the threaded rod in a threaded mode, vertical plates are connected in the groove in a sliding mode, the outer walls of the two ends of the height disc are connected with the inner walls of the vertical plates in a sliding mode, one end of the height disc is connected with the protective cover in a rotating mode through a rotating rod, the inner walls of the two vertical plates are connected with vertical reciprocating rods in a penetrating mode in a threaded mode, a vertical rod is connected to a bottom plate of the launching platform in a sliding mode, one end, far away from the launching platform, of the vertical rod is connected with the bottom of the launching tube in a rotating mode through a connecting rod, and an electronic range finder is installed on one side of the support in a rotating mode.
Furthermore, a sliding groove matched with the motion trail of the vertical rod is formed in a bottom plate of the launching platform, and the sliding groove is designed in a U shape.
Furthermore, the tail of the rescue bomb is fixedly provided with an empennage, one end of the rescue rope is fixedly connected with the wire groove in the rescue bomb, and the other end of the rescue rope is bound and connected with the outer surface of the support.
A method of using a water life saving device, the method comprising:
s1, obtaining preset information of a user, wherein the preset information comprises height and arm length of the user;
s2, acquiring swing arm parameters S of a user through a swing arm detector, acquiring movement track parameters M of the user through a GPS (global positioning system) positioner, acquiring heartbeat parameters H of the user in unit time through a heart rate detector, acquiring swing arm parameters S of the user through the swing arm detector, acquiring sound parameters V under the current environment through a sound detector, and transmitting the parameters to a controller;
and S3, the controller analyzes and obtains the motion state value according to the monitoring data, obtains the body state value of the user according to the physiological state parameters, judges the safety state of the user in real time according to the motion state and the body state, and feeds the safety state back to the adjusting mechanism in time.
Further, the method for calculating the body state parameter B (t) in step S3 is as follows:
according to the related rescue vocabulary V under the current environment before the current time h The judgment is carried out, and the judgment is carried out,
if V h >0, directly transmitting a distress signal;
otherwise, judging the body state parameter B (t);
by the formula
A current time body state parameter B (t);
h (t) is a value of the average heartbeat before the current time, which changes along with the time, and n/s; h 0 Changing a standard interval value n/s for the heart beat frequency before the current time; n is 0 Is a standard interval value of n (t), V h For the times of detecting all the words close to the rescue before the current time,
is an empirical coefficient;
the acquisition process of n (t) is as follows:
collecting and drawing a sound decibel curve V (t) in a specific time before the current time;
obtaining decibel solution set times alpha through V' (t) = 0;
and calculating n (t) = alpha.
Further, the method for calculating the motion state parameter B (t) in step S3 is as follows:
by the formula
Obtaining a stable value Fr (t) of the swing arm frequency at the current time;
wherein, F i (t) is the obtained swing arm frequency value in a specific time before the current time,
obtaining a standard value of the swing arm frequency within a specific time before the current time, wherein N is the frequency number of the swing arm frequency collected within the specific time before the current time;
by the formula
Obtaining a current time motion state parameter P (t);
wherein F (t) is the frequency value of the swing arm at the current time, F 0 Standard value of frequency of arm swing for user's movement, fr 0 The standard value of the swing arm frequency stability at the current time is obtained; m (t) is the contact ratio of the track to the contrast value of the standard database in the current time; m 0 The standard value of the track coincidence degree, xi, of the current motion time 1 、ξ 2 、ξ 3 Is a compensation factor.
Further, the determination process of the security status of the user in step S3 is as follows:
obtaining body state parameters B (t) of each time period according to the monitoring data, and enabling the parameters B (t) to be equal to a preset threshold value B th (t) alignment:
if B (t) < B th (t), judging that the user is in a normal state, and continuously keeping monitoring;
otherwise, further judging through the motion state P (t) of the user;
obtaining a motion state parameter P (t) of the current time according to the monitoring data, and comparing the P (t) with a preset threshold value P th (t) alignment:
if P (t) < P th (t), judging that the user is in a normal state, and continuously keeping monitoring;
otherwise, the user is judged to be in a dangerous state, and a rescue signal is sent in time.
The invention has the beneficial effects that:
(1) According to the invention, the times of the rescue vocabulary of the user are automatically identified by the bracelet to be directly judged, so that the rescue measures can be taken in time before the user is in a dangerous state.
(2) According to the invention, on the basis of judging the body state parameters in the user movement, the accuracy of safety judgment on the user state can be further improved through further judging the user movement state parameters.
(3) According to the invention, through the arrangement of the adjusting mechanism, the motor drives the threaded rod to rotate, the height disc is driven to rotate in a reciprocating manner, meanwhile, the vertical reciprocating rod drives the two vertical plates to move in opposite directions in the groove, and the height disc is made to reciprocate up and down under the limiting action of the vertical plates, so that the change of the horizontal angle and the vertical angle of the launching mechanism is realized, and the accurate rescue of the launching mechanism is ensured.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of a launching structure and an adjusting mechanism of the water life-saving device;
FIG. 2 is a side view of an emitting structure of the present invention;
FIG. 3 is a schematic view of the components of the adjustment mechanism of the present invention;
FIG. 4 is a schematic view of the bracelet structure according to the present invention;
fig. 5 is a logic block diagram of a water life-saving device method in an embodiment of the invention.
Reference numerals are as follows: 1. a bracelet; 2. a controller; 3. a transmitting device; 301. a protective cover; 302. a cylinder; 303. a launch tube; 304. a support; 305. an actuating lever; 306. an insurance button; 307. a launch switch; 308. rescue bullets; 309. a rescue rope; 4. an adjustment mechanism; 401. a launch pad; 402. a threaded rod; 403. a height disc; 404. a vertical plate; 405. a vertical reciprocating lever; 406. a vertical rod; 407. an electronic distance measuring device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a water life-saving device and a method for using the same are provided, including: the bracelet 1 is used for monitoring and transmitting signals of track parameters, heartbeat parameters, swing arm parameters and sound parameters of a user in real time under the current environment; the controller 2 is used for receiving the information sent by the bracelet 1, analyzing and processing the information, and sending feedback information in time according to the result; a launching device 3 for rescuing the user by launching a rescue bomb 308; the adjusting mechanism 4 is used for receiving the information sent by the controller 2 and adjusting the transmitting device 3;
The adjusting mechanism 4 comprises a launching platform 401, a groove is formed in a vertical plate of the launching platform 401 in a penetrating mode, a threaded rod 402 is connected in the groove in a rotating mode, a height disc 403 is connected to the outer surface of the threaded rod 402 in a threaded mode, vertical plates 404 are connected in the groove in a sliding mode, outer walls of two ends of the height disc 403 are connected with inner walls of the vertical plates 404 in a sliding mode, one end of the height disc 403 is connected with the protective cover 301 in a rotating mode through a rotating rod, vertical reciprocating rods 405 are connected to the inner walls of the two vertical plates 404 in a penetrating mode through threads, the vertical reciprocating rods 405 and the threaded rod 402 are driven to rotate through a motor, the motor can rotate forward and backward and is electrically connected with an external power source, a vertical rod 406 is connected to a bottom plate of the launching tube 303 in a sliding mode through the rotating rod, an electronic range finder 407 is installed on one side of the support 304 in a rotating mode, the threaded rod 402 is driven to rotate through the motor, the height disc 403 can be driven to rotate forward and backward, meanwhile the two vertical plates 404 are driven to move in the opposite directions in the vertical reciprocating rod 405, and the rescue angle of the groove 403 is changed, and the rescue precision angle of the rescue mechanism is achieved.
The launching device 3 comprises a protective cover 301, an air cylinder 302 is arranged in the protective cover 301, a launching tube 303 is fixedly arranged on the outer wall of the protective frame through a buckle, a support 304 is fixedly clamped at the top of the launching tube 303, a starting rod 305 is fixedly arranged on the inner wall of the support 304, a safety button 306 is arranged at one end of the starting rod 305, a launching switch 307 is rotatably connected onto the support 304, a rescue bomb 308 is clamped at one end, far away from the protective cover 301, of the launching tube 303, a rescue rope 309 is arranged at the bottom of the rescue bomb 308, an empennage is fixedly arranged at the tail of the rescue bomb 308, a wire groove in the rescue bomb 308 is fixedly connected at one end of the rescue rope 309, and the other end of the rescue rope 309 is bound and connected with the outer surface of the support 304. The launching tube 303 is fully powered by releasing the air pressure of the air cylinder 302, the rescue rope 309 is drawn out from the bottom of the rescue bomb 308 and is bound and connected to the support 304, the safety button 306 is pressed, then the launching switch 307 is started, the rescue bomb 308 is launched to the user, the automatic inflation life buoy in the rescue bomb 308 automatically expands after encountering water, a rescue device is provided for the user, and the survival safety of the user is guaranteed.
As a method of the present invention, the method comprises: step S1, obtaining preset information of a user, wherein the preset information comprises height and arm length of the user;
step S2 is that swing arm parameters S of a user are collected through a swing arm detector, movement track parameters M of the user are collected through a GPS (global positioning system) positioner, heartbeat parameters H in unit time of the user are collected through a heart rate detector, swing arm parameters S of the user are collected through the swing arm detector, sound parameters V in the current environment are collected through a sound detector, and all the parameters are transmitted to the controller 2.
S3, the controller 2 obtains body state parameter values of the user according to the physiological state parameters, obtains motion state parameter values according to monitoring data analysis, judges the safety state of the user in real time according to the motion state parameters and the body state parameters, and feeds the safety state back to the adjusting mechanism 4 in time;
as an embodiment of the present invention, the method for calculating the body state parameter B (t) in step S3 is:
according to the current timeFor related rescue vocabulary V under former environment h The judgment is carried out, and the judgment is carried out,
if V h >0, directly transmitting a distress signal;
otherwise, judging the body state parameter B (t);
by passing
Obtaining a current time body state parameter B (t);
h (t) is a value of the average heartbeat changing with time before the current time, and n/s; h 0 Changing a standard interval value n/s for the heart beat times before the current time; n is 0 Is a standard interval value of n (t), V h For the times of detecting all vocabulary similar to the rescue before the current time,
is an empirical coefficient;
the acquisition process of n (t) is as follows: and acquiring and drawing a sound decibel curve V (t) in a specific time before the current time, obtaining the decibel solution set times alpha through V' (t) =0, and calculating n (t) = alpha.
According to the technical scheme, H (t) represents the influence condition of the average heartbeat coefficient before the current time on the motion state parameters; n (t) represents the influence state of a sound decibel user on the motion state in a specific time before the current time;
the influence factors of the heartbeat parameters on the motion state parameters are reflected; />
The influence factors of the sound state coefficient on the motion state are reflected; (ii) a Thus by>
Capable of moving towards the userJudging the state parameters;
it should be noted that, in the following description,
the empirical coefficient is set by actual test data;
standard function H for variation of heart beat frequency 0 Setting test data which reach standard values in different time intervals according to different motion states of a user;
sound decibel derivation standard function n 0 And setting test data which meet the requirements in different time according to different sound decibel derivative values of a user.
As an embodiment of the present invention, the method for calculating the middle exercise state parameter B (t) in step S3 includes:
by the formula
Obtaining a stable value Fr (t) of the swing arm frequency at the current time;
wherein, F i (t) is an obtained swing arm frequency value in a specific time before the current time,
obtaining a standard value of the swing arm frequency within a specific time before the current time, wherein N is the frequency number of the swing arm frequency collected within the specific time before the current time;
by the formula
Obtaining a motion state parameter P (t) of the current time;
wherein F (t) is the frequency value of the swing arm at the current time, F 0 Standard value of frequency of arm swing for user's movement, fr 0 The standard value of the swing arm frequency stability at the current time is obtained; m (t) is the contact ratio of the track to the contrast value of the standard database in the current time; m is a group of 0 The standard value of the track coincidence degree, xi, of the current motion time 1 、ξ 2 、ξ 3 To compensate the coefficients.
According to the above techniqueIn the operation scheme, fr (t) represents the influence condition of the relative stability of the swing arm frequency in a specific time before the current time on the body state parameters; f (t) represents the influence condition of the swing arm frequency in a specific time before the current time on the body state; m (t) represents the influence state of the contact ratio of the track of the user in the current time on the body state;
the influence factors of the frequency stability of the swing arm in the current time on the body state parameters are reflected; />
The influence factors of the swing arm frequency of the user on the physical state in the current time are reflected; />
The influence factors of the contact ratio of the user track parameters at the current time on the body state are reflected; thus by>
The body state of the user can be judged;
xi is to say 1 、ξ 2 、ξ 3 Setting a compensation coefficient according to actual test data;
frequency standard function F of arm swing 0 Setting test data according to which different body state parameters of a user reach standard values in different time intervals;
swing arm frequency stability standard value function Fr 0 Setting test data which meet requirements under different body states according to different swing arm frequencies of a user;
track contact ratio standard function M 0 Setting test data for meeting requirements of different contact ratios of different movement tracks of a user in a standard library;
as an embodiment of the present invention, the step S3 of determining the security status of the user is:
obtaining the body shape of each time period according to the monitoring dataA state parameter B (t), and a preset threshold B th (t) alignment:
if B (t) < B th (t), judging that the user is in a normal state, and continuously keeping monitoring;
otherwise, further judging through the motion state P (t) of the user;
obtaining a motion state parameter P (t) of the current time according to the monitoring data, and comparing the parameter P (t) with a preset threshold value P th (t) alignment:
if P (t) < P th (t), judging that the user is in a normal state, and continuously keeping monitoring;
otherwise, the user is judged to be in a dangerous state, a rescue signal is sent in time, and on the basis of judging the body state parameters in the motion of the user, the accuracy of safety judgment on the state of the user can be further improved through further judging the motion state parameters of the user.
According to the above technical solution, the specific time refers to a time period manually set by the user according to the number of experiments before the current year time, the electronic distance meter 407, the controller 2, and the motor are all electrically connected to the external power source, and the motor can rotate in forward and reverse directions.
The working principle of the invention is as follows: the bracelet 1 is installed on an arm of a user, parameters of the user are detected and sent to the controller 2, motion state parameters and body state parameters are judged through analysis and comparison to adjust the mechanism 4, the position relation between a transmitter and the user is calculated through a GPS positioner, a motor drives the threaded rod 402 to rotate, the high-level disc 403 is driven to rotate in a reciprocating mode, meanwhile, the vertical reciprocating rod 405 drives the two vertical plates 404 to move in opposite directions in a groove, the high-level disc 403 reciprocates up and down under the limiting effect of the vertical plates 404, the horizontal angle and the vertical angle of the transmitting mechanism are changed, the distance and the angle between the high-level disc 403 and the user are measured through the electronic range finder 407, the transmitting angle of the transmitting device 3 under the limited condition of the rescue rope 309 is calculated according to the air pressure released by the air cylinder 302 and the weight of the rescue bomb 308, accurate rescue of the transmitting mechanism is guaranteed, the controller 2 continuously feeds information back to the adjusting mechanism 4, rescue workers can timely find and transmit rescue rings to the users to the place rescue workers through starting the transmitting switch 307, and the rescue rings to safely bend the user on the rings to rescue users.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (9)
1. A water life saving device, comprising:
the bracelet (1) is used for monitoring and transmitting signals of track parameters, heartbeat parameters, swing arm parameters of a user and sound parameters in the current environment in real time;
the controller (2) is used for receiving the information sent by the bracelet (1), analyzing and processing the information, and sending out the information in time according to the result;
the launching device (3) is used for rescuing the user through launching rescue equipment;
the adjusting mechanism (4) is used for receiving the information sent by the controller (2) and adjusting the transmitting device (3);
bracelet (1) links to each other with controller (2) communication, controller (2) are judged personnel's motion state parameter and are judged personnel's safety condition according to present heartbeat parameter, swing arm parameter, adjust emitter (3) according to the judged result according to orbit parameter, the sound parameter that detect at present.
2. The water lifesaving device as claimed in claim 1, wherein the launching device (3) comprises a protective cover (301), an air cylinder (302) is arranged in the protective cover (301), a launching tube (303) is fixedly arranged on the outer wall of the protective cover (301) through a buckle, a support (304) is fixedly clamped at the top of the launching tube (303), an actuating rod (305) is fixedly arranged on the inner wall of the support (304), a safety button (306) is arranged at one end of the actuating rod (305), a launching switch (307) is rotatably connected to the support (304), a rescuing bullet (308) is clamped at one end of the launching tube (303) far away from the protective cover (301), and a rescuing rope (309) is arranged at the bottom of the rescuing bullet (308).
3. The water lifesaving device according to claim 2, wherein the adjusting mechanism (4) comprises a launching platform (401), a groove is formed in a vertical plate of the launching platform (401), a threaded rod (402) is rotatably connected in the groove, a height disc (403) is in threaded connection with an outer surface of the threaded rod (402), vertical plates (404) are in sliding connection with the groove, outer walls of two ends of the height disc (403) are in sliding connection with inner walls of the vertical plates (404), one end of the height disc (403) is rotatably connected with the protective cover (301) through a rotating rod, vertical reciprocating rods (405) are in threaded connection with inner walls of the two vertical plates (404), a vertical rod (406) is in sliding connection with a bottom plate of the launching platform (401), one end of the vertical rod (406) far away from the launching platform (401) is rotatably connected with the bottom of the launching tube (303) through a connecting rod, and an electronic range finder (407) is rotatably mounted on one side of the support (304).
4. The water life-saving equipment of claim 3, wherein a sliding groove matched with the motion track of the vertical rod (406) is formed in a bottom plate of the launching platform (401), and the sliding groove is designed in a U shape.
5. The water life-saving device of claim 2, wherein an empennage is fixedly installed at the tail of the rescue bomb (308), one end of the rescue rope (309) is fixedly connected with a wire slot on the rescue bomb (308), and the other end of the rescue rope (309) is connected with the outer surface of the bracket (304) in a binding manner.
6. A method of using the life saving device of claim 4, wherein the method comprises:
s1, obtaining preset information of a user, wherein the preset information comprises the height and the arm length of the user;
s2, acquiring swing arm parameters S of a user through a swing arm detector, acquiring movement track parameters M of the user through a GPS (global positioning system) positioner, acquiring heartbeat parameters H of the user in unit time through a heart rate detector, acquiring swing arm parameters S of the user through the swing arm detector, acquiring sound parameters V under the current environment through a sound detector, and transmitting the parameters to a controller (2);
and S3, the controller (2) obtains a body state value of the user according to the physiological state parameter, obtains a motion state value according to monitoring data analysis, judges the safety state of the user in real time according to the motion state parameter and the body state parameter, and feeds the safety state back to the adjusting mechanism (4) in time.
7. The use method of the water life-saving equipment as claimed in claim 6, wherein the calculation method of the middle body state parameter B (t) of S3 is as follows:
according to the related rescue vocabulary V in the current environment before the current time h The judgment is carried out, and the judgment is carried out,
if V h >0, directly transmitting a distress signal;
otherwise, judging the body state parameter B (t);
by passing
Obtaining a current time body state parameter B (t);
h (t) is a value of the average heartbeat changing with time before the current time, and n/s; h 0 Changing a standard interval value n/s for the heart beat frequency before the current time; n is 0 Is a standard interval value of n (t), V h For the times of detecting all the words close to the rescue before the current time,
is an empirical coefficient;
the acquisition process of n (t) is as follows:
collecting and drawing a sound decibel curve V (t) in a specific time before the current time;
obtaining decibel solution set times alpha through V' (t) = 0;
n (t) = α is calculated.
8. The use method of the water life-saving equipment as claimed in claim 6, wherein the calculation method of the middle motion state parameter B (t) of S3 is as follows:
by the formula
Obtaining a stable value Fr (t) of the swing arm frequency at the current time;
wherein, F i (t) is the obtained swing arm frequency value in a specific time before the current time,
obtaining a standard value of the swing arm frequency within a specific time before the current time, wherein N is the frequency number of the swing arm frequency collected within the specific time before the current time;
by the formula
Obtaining a current time motion state parameter P (t);
wherein F (t) is the frequency value of the swing arm at the current time, F 0 Standard value of frequency of arm swing for user's movement, fr 0 The standard value of the swing arm frequency stability at the current time is obtained; m (t) is the contact ratio of the track to the comparison value of the standard database in the current time; m 0 The standard value of the track coincidence degree, xi, of the current motion time 1 、ξ 2 、ξ 3 Is a compensation factor.
9. The use method of the water lifesaving device as claimed in claim 6, wherein the S3 process of judging the safety state of the user is as follows:
obtaining body state parameters B (t) of each time period according to the monitoring data, and comparing B (t) with a preset threshold value B th (t) alignment:
if B (t) < B th (t), judging that the user is in a normal state, and continuously keeping monitoring;
otherwise, further judging through the motion state P (t) of the user;
obtaining a motion state parameter P (t) of the current time according to the monitoring data, and comparing the P (t) with a preset threshold value P th (t) alignment:
if P (t) < P th (t), judging that the user is in a normal state, and continuously keeping monitoring;
otherwise, the user is judged to be in a dangerous state, and a rescue signal is sent in time.
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