CN104318716A - Drowning detection pre-warning system using attitude calculation - Google Patents
Drowning detection pre-warning system using attitude calculation Download PDFInfo
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- CN104318716A CN104318716A CN201410563765.6A CN201410563765A CN104318716A CN 104318716 A CN104318716 A CN 104318716A CN 201410563765 A CN201410563765 A CN 201410563765A CN 104318716 A CN104318716 A CN 104318716A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/08—Alarms for ensuring the safety of persons responsive to the presence of persons in a body of water, e.g. a swimming pool; responsive to an abnormal condition of a body of water
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Abstract
The invention discloses a drowning detection pre-warning system using attitude calculation. The drowning detection pre-warning system using the attitude calculation comprises a detection device worn on a swimmer, a plurality of base stations arranged at four sides of a swinging region, and a pre-warning terminal for monitoring the state of the swimmer, wherein the detection device is used for detecting the motion attitude of the swimmer and judging whether the motion attitude is a drowning attitude, and each base station has wireless interactive communication with the detection device to calculate the distance between a drowner and each base station. The drowning detection pre-warning system using the attitude calculation is capable of precisely gathering the motion state of the wrists or ankles of the swimmer and identifying the difference between the drowning attitude and a normal swimming attitude through a motion attitude analytical algorithm so as to judge whether the swimmer is drowned, and the drowning detection pre-warning system using the attitude calculation has features of high judging precision, early discovering, broad service area and the like.
Description
Technical field
The present invention relates to personal safety early warning and protection field, particularly relate to the safety equipment of Swimming pool about drowned early warning protection.
Background technology
The domestic drowned monitoring to swimming personnel of root is mostly rely on rescue personnel, determines whether that someone drowns, because eye-observation is limited in scope, not easily observes unsafe condition, cause drowned accident frequently to occur by visual inspection.In addition, domestic Swimming pool alarming drowning system popularity rate is lower, and existing alarming drowning system exists the problems such as system is huge, complicated, rate of false alarm is high, practicality is not strong, causes the generation that effectively can not prevent drowned accident.So research and development are a kind of practical, reliably, drowned early warning protection safety equipment accurately, to raising personal safety, reduce drowned accident rate significant.
There is following problem in the drowned early warning system in currently available technology: first, and drowning person's signal is easily disturbed, is difficult to accurate judgement.Adopt acoustic wave methodogy qualification whether to drown and depend on the gas contained in swimmer's health, if be full of water in the lung of victim, then effectively can not carry out signal transacting; And acoustic signals comprises echo, the noise signal produced due to swimming pool wall reflection is difficult to eliminate, and then cannot monitor the action of drowning person's health, when particularly swimming pool number is too much, cannot carries out tracking differentiate everyone; Secondly, after appearance is drowned, can not rescue in time.The early warning information obtained under water is often after drowning incident occurs, and delay the time of suing and labouring, when number is too much, the mutual occlusion issue of unavoidable generation swimmer, is unfavorable for requiring assistance in time; Finally, watch-dog cost is high under water, not easily promotes.Underwater Camera, by observing sub-marine situations, obtains the image information of swimmer, thus judges whether to drown.But waterproof camera cost is high, field installation procedure is complicated, is not suitable for small-sized Swimming pool.
Summary of the invention
The invention provides a kind of drowned detection early warning system of attitude algorithm, have practicality, reliably, feature accurately, can rescue in time drowning person, effectively the drowned accident of prevention occurs, and its summary of the invention is as follows:
A kind of drowned detection early warning system of attitude algorithm, comprise and being worn on swimmer's pick-up unit with it, being arranged at some base stations of swimming region surrounding and the Forewarning Terminal for monitoring swimmer's state, wherein, described pick-up unit is for detecting the athletic posture of swimmer, determine whether drowned attitude, base station described in each communicates with pick-up unit wireless interaction, calculates the distance between drowning person and each base station.
Further, described pick-up unit at least comprise embed athletic posture analytical algorithm controller, gather athletic posture and be converted to motion sensor and the wireless module of electric signal, described motion sensor is used for that athletic posture is converted to electric signal and is sent to controller, described controller is used for carrying out athletic posture parsing to electric signal, determine whether to be in drowned state, described wireless module connection control device, for by the identity identification information of drowning person and base station two-way alternate communication described in each.
Further, the communication interface that base station described in each at least comprises radio-frequency module, processor and communicates with described Forewarning Terminal, described radio-frequency module is used for the wireless module two-way alternate communication with described pick-up unit, receive the identity identification information that described wireless module sends, and connect described processor; Described processor is for obtaining the identity identification information of drowning person and the distance calculated between drowning person and each base station; Described communication interface is used for identity identification information and distance information transmission to Forewarning Terminal.
Further, Forewarning Terminal at least comprises master control, multi-interface converter and man-machine interface, described multi-interface converter is used for communicating with the communication interface of base station described in each, described master control is used for changing the range information between drowning person and each base station into position coordinates, and described man-machine interface is for showing identity identification information and the position coordinates of drowning person.
Further, described Forewarning Terminal with described in each between base station communication mode be that RS485 communicates, one in radio communication.
Further, described Forewarning Terminal is the one in center host, portable watch-dog, portable wireless terminal.
Further, the drowned detection early warning system of attitude algorithm is at least provided with three base stations.
Further, described pick-up unit also comprises button and pilot lamp, and described button is that miniaturization touches structure, reports to the police for manually artificial or open or close described checkout equipment; Described pilot lamp is provided with successful connection pilot lamp, drowned status indicator lamp and battery electric quantity pilot lamp.
Further, described base station also comprises power module and alarm, described power module, and for providing 5V or 3.3V level for processor, described alarm is hummer, for on-the-spot early warning.
Further, pick-up unit is worn on wrist or the ankle of swimmer.
Beneficial effect of the present invention:
(1) drowned state is accurately judged.
Pick-up unit provided by the invention is worn on the wrist of human body, can the motion state of accurate acquisition swimmer wrist or ankle, drowned attitude and conventional the different of attitude of swimming are identified by athletic posture analytical algorithm, differentiate whether swimmer occurs drowning, there is the drowned feature that accuracy is high that differentiates.
(2) continuation of the journey is lasting, and user experience is high.
Because pick-up unit design is small and exquisite, can not impact swimmer's comfort level of swimming, swimmer is made to drop into swimming physically and mentally, contrast with wearable device of the prior art, have volume little, wear the features such as comfortable, market potential is large, in addition, pick-up unit is made up of miniature low energy-consumption electronic device, continuation of the journey is lasting, energy-conserving and environment-protective.
(3) rescue in time, be applicable to dissimilar Swimming pool.
Base station provided by the invention is reasonably distributed in around swimming region, and to swim, the frame of reference is set up in region, effectively ensures drowning person's Signal reception and accurately locates, facilitate rescue personnel to implement field rescue rapidly.The installation of this base station is simple to operate, flexible layout is various, be applicable to different size Swimming pool, has widely applicable feature.
Accompanying drawing explanation
Fig. 1 is the high-level schematic functional block diagram of embodiment of the present invention pick-up unit.
Fig. 2 is the workflow schematic diagram of Fig. 1 pick-up unit.
Fig. 3 is the high-level schematic functional block diagram of embodiment of the present invention base station.
Fig. 4 is the working method schematic diagram of Fig. 3 tri-base stations.
Fig. 5 is the high-level schematic functional block diagram of embodiment of the present invention early warning system.
Embodiment
In order to set forth technical characterstic of the present invention and structure better, be described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
Consult Fig. 1 to Fig. 5, the invention provides a kind of drowned detection early warning system of attitude algorithm, comprise pick-up unit 100, base station 200 and Forewarning Terminal 300, wherein, pick-up unit 100 is worn on it swimmer, for detecting the athletic posture of swimmer, by identifying drowned attitude and conventional the different of attitude of swimming, judge whether swimmer occurs drowning, and drowned signal is sent to base station 200; Some base stations 200 are arranged at Swimming pool surrounding, can calculate the distance between drowning person and each base station 200, and the identity identification information of drowning person and range information are sent to Forewarning Terminal 300; Forewarning Terminal 300 is for monitoring swimmer's state, and to swim, the frame of reference is set up in region, calculates the position coordinates of drowning person in water by range information, provides position coordinates and the personal information of drowning person to rescue personnel.
As shown in Figure 1 and Figure 2, pick-up unit 100 at least comprises controller 120, motion sensor 110 and wireless module 130, wherein, controller 120 connects motion sensor 110 and wireless module 130 respectively, motion sensor 110 is provided with the IIC interface for gathering athletic posture, athletic posture is converted to electric signal and is sent to controller 120; Controller 120 inside embeds athletic posture analytical algorithm, after electric signal filtering noise reduction process, carry out athletic posture parsing, judge breaststroke, butterfly stroke, backstroke, whether the swimming such as freestyle swimming attitude is identical with drowned attitude, identical namely determine swimmer identity and judge to be in drowned state, the identity identification information of drowning person is transferred to base station 200 by wireless module 130 by controller 120, carries out two-way alternate communication with each base station.It should be noted that, drowned attitude comprises drowned calling for help attitude and drowned floating attitude; Pick-up unit is worn on wrist or the ankle of swimmer.
The electric signal that motion sensor 110 is changed after gathering athletic posture.Electric signal is first sent to controller 120 by motion sensor 110, judges whether electric signal exceedes safety value, if exceed safety value, controller 120 carries out athletic posture parsing to this electric signal, judges whether swimmer drowns.It should be noted that, carry out secondary judgement by athletic posture analytical algorithm, object accurately judges whether swimmer occurs drowned phenomenon, judges ensure that to judge drowned accuracy of state by secondary.
Pick-up unit 100 also comprises button 150, pilot lamp 140 and battery 160, is connected respectively with controller 120.Wherein, button 150 touches structure for miniaturization, reports to the police, or open or close described checkout equipment for manually artificial; Pilot lamp 140 is provided with successful connection pilot lamp, drowned status indicator lamp and battery 160 battery capacity indication lamp, is used to indicate the duty of pick-up unit 100; Battery 160 is the high performance rechargeable lithium battery of the special shape of customization.All devices of pick-up unit 100 inside are packed by waterproof case, and make pick-up unit 100 have waterproof effect, waterproof case is provided with small-sized waterproof cover, and waterproof cover inside is provided with the miniaturization charging inlet 161 charged for battery 160.
In addition, wireless module 130 comprises radio transmitting and receiving chip, power amplifier, antenna, and is communicated by SPI Interface and Controler 120.Wherein, antenna is antenna on plate; Power amplifier is for strengthening radio transmitted power; Radio transmitting and receiving chip only detects in initialization and works with when there is drowned attitude, is in dormant state, effectively saves battery electric quantity, improve the flying power of pick-up unit 100 during other duties.
As shown in Figure 3, Figure 4, be provided with several base stations in swimming region surrounding, the quantity of base station 200 is determined according to the size of the area in swimming region, Swimming pool, communication distance and launching effect.The present embodiment is for three base stations, between each base station 200 with pick-up unit 100, wireless interaction communicates, at least comprise radio-frequency module 230 and processor 210, radio-frequency module 230 connection handling device 210, for wireless module 130 two-way alternate communication with pick-up unit 100, receive the identity identification information that wireless module 130 sends, processor 210 is for generation of riming instructions, riming instructions is fed back to pick-up unit 100 and again receive the riming instructions sent by wireless module 130 by radio-frequency module 230, calculate the distance between drowning person and each base station 200.
Wherein, three base stations are positioned at the surrounding in swimming region, and be respectively the first base station 202, base station 201, second and the 3rd base station 203, drowning person wears pick-up unit 100.When pick-up unit 100 detects that drowned phenomenon appears in swimmer, pick-up unit 100 sends identity identification information respectively to three base stations, suppose that the first base station 201 first receives identity identification information, first 201, base station generates riming instructions by processor 210, again riming instructions is sent to the pick-up unit 100 of drowning person by radio-frequency module 230, riming instructions is fed back to the first base station 201 by pick-up unit 100 again, after radio-frequency module 230 receives the riming instructions of feedback, processor 210 stops timing, thus determine the two-way time between the first base station 201 and pick-up unit 100, and then the distance calculated between the first base station 201 and drowning person.It should be noted that, because swimming region surrounding is provided with some base stations, each base station 200 all can calculate the distance between drowning person, add the accuracy of drowning person position, location, meanwhile, rescue personnel can implement rescue to drowning person from different directions, adds the success ratio of rescue.
Processor 210 carries out data communication by the 2nd SPI interface and radio-frequency module 230, adopts external interrupt mode process radio-frequency module 230 to receive identity identification information.In addition, each base station 200 also comprises communication interface 220, power module 250 and alarm 240, wherein, communication interface 220 was both connected with the interface of processor 210, communicate with Forewarning Terminal 300 again, the range information between drowning person and each base station 200 and drowning person's identity identification information are transferred to Forewarning Terminal 300; Power module 250 provides 5V or 3.3V level for processor 210; Alarm 240 is hummer, for on-the-spot early warning.
As shown in Figure 5, Forewarning Terminal 300 at least comprises multi-interface converter 330, master control 320, man-machine interface 310 and warning device 340, wherein, multi-interface converter 330 communicates with the communication interface 220 of each base station 200, and communication mode is the one in RS485 communication, radio communication; Master control 320 sets up the frame of reference with region of swimming, and changes the range information between drowning person and each base station into position coordinates; Man-machine interface 310 is for showing identity identification information and the position coordinates of drowning person.It should be noted that, Forewarning Terminal 300 is the one in center host, portable watch-dog, portable wireless terminal, rescue personnel can carry out drowned situation monitoring in Surveillance center, when man-machine interface 310 shows the coordinate time of drowning person, implement rescue by alert notice rescue personnel; Forewarning Terminal 300 also can be carried at it rescue personnel, and in swimming region, surrounding carries out drowned situation monitoring, implements rescue in time to drowning person.
In sum, the invention provides a kind of drowned detection early warning system of attitude algorithm, can accurate acquisition swimmer wrist or ankle motion state, identify drowned attitude and conventional the different of attitude of swim by athletic posture analytical algorithm, whether differentiation swimmer occur drowning.In addition, some base stations are reasonably distributed in around swimming region, and to swim, the frame of reference is set up in region, effectively ensure drowning person's Signal reception and accurately locate, facilitate rescue personnel to implement rapidly rescue, have and differentiate that accuracy is high, find the features such as timely, widely applicable.
The above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, other multi-form change or variations can also be made on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (10)
1. the drowned detection early warning system of an attitude algorithm, comprise and being worn on swimmer's pick-up unit with it (100), being arranged at some base stations (200) of swimming region surrounding and the Forewarning Terminal (300) for monitoring swimmer's state, it is characterized in that, described pick-up unit (100) is for detecting the athletic posture of swimmer, determine whether drowned attitude, base station described in each (200) and pick-up unit (100) wireless interaction communication, calculate the distance between drowning person and each base station (100).
2. the drowned detection early warning system of attitude algorithm according to claim 1, it is characterized in that, described pick-up unit at least comprise embed athletic posture analytical algorithm controller (120), gather athletic posture and be converted to motion sensor (110) and the wireless module (130) of electric signal, described motion sensor (110) is sent to controller (120) for athletic posture being converted to electric signal; Described controller (120), for carrying out athletic posture parsing to electric signal, determines whether to be in drowned state; Described wireless module (130) connection control device (120), for by the identity identification information of drowning person and base station (200) two-way alternate communication described in each.
3. the drowned detection early warning system of attitude algorithm according to claim 2, it is characterized in that, the communication interface (220) that base station described in each (200) at least comprises radio-frequency module (230), processor (210) and communicates with described Forewarning Terminal (300), described radio-frequency module (230) is for wireless module (130) two-way alternate communication with described pick-up unit (100), receive the identity identification information that described wireless module (130) sends, and connect described processor (210); Described processor (210) is for obtaining the identity identification information of drowning person and the distance calculated between drowning person and each base station (200); Described communication interface (220) for by identity identification information and distance information transmission to Forewarning Terminal (300).
4. the drowned detection early warning system of attitude algorithm according to claim 3, it is characterized in that, Forewarning Terminal (300) at least comprises master control (320), multi-interface converter (330) and man-machine interface (310), described multi-interface converter (330) is for communicating with the communication interface (220) of base station described in each (200), described master control (320) is for changing the range information between drowning person and each base station (200) into position coordinates, described man-machine interface (310) is for showing identity identification information and the position coordinates of drowning person.
5. the drowned detection early warning system of attitude algorithm according to claim 4, is characterized in that, between described Forewarning Terminal (300) with base station described in each (200) communication mode be that RS485 communicates, one in radio communication.
6. the drowned detection early warning system of the attitude algorithm according to claim 1 or 4 or 5, is characterized in that, described Forewarning Terminal (300) is center host, one in portable watch-dog, portable wireless terminal.
7., according to the drowned detection early warning system of described attitude algorithm arbitrary in claim 1 to 5, it is characterized in that, the drowned detection early warning system of attitude algorithm is at least provided with three base stations.
8. the drowned detection early warning system of attitude algorithm according to claim 1, it is characterized in that, described pick-up unit (100) also comprises button (150) and pilot lamp (140), described button (150) touches structure for miniaturization, reports to the police for manually artificial or open or close described checkout equipment; Described pilot lamp (140) is provided with successful connection pilot lamp, drowned status indicator lamp and battery electric quantity pilot lamp.
9. the drowned detection early warning system of attitude algorithm according to claim 1, it is characterized in that, described base station (200) also comprises power module (250) and alarm (240), described power module (250), for providing 5V or 3.3V level for processor (210), described alarm (240) is hummer, for on-the-spot early warning.
10. the drowned detection early warning system of attitude algorithm according to claim 1, is characterized in that, pick-up unit (100) is worn on wrist or the ankle of swimmer.
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| CN201410563765.6A CN104318716A (en) | 2014-10-21 | 2014-10-21 | Drowning detection pre-warning system using attitude calculation |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104700573A (en) * | 2015-02-12 | 2015-06-10 | 嘉兴市中易软件有限公司 | Wireless drowning preventing warning system |
| CN104932351A (en) * | 2015-05-28 | 2015-09-23 | 浙江维思无线网络技术有限公司 | Wearable intelligent card used for swimmer state monitoring |
| CN106934995A (en) * | 2017-05-09 | 2017-07-07 | 门振宇 | Prevent drowned quick positioning alarm method and system using underwater sound wave probe |
| CN108181608A (en) * | 2018-02-01 | 2018-06-19 | 杭州水豚科技有限公司 | The intelligent swimming pool quickly positioned prevents drowned monitoring system and method |
| CN108663686A (en) * | 2018-04-17 | 2018-10-16 | 中国计量大学 | A kind of swimming pool drowning monitoring device and method based on laser radar |
| CN109509329A (en) * | 2018-10-31 | 2019-03-22 | 广东小天才科技有限公司 | A kind of drowning alarming method and wearable device based on wearable device |
| CN110555975A (en) * | 2019-08-28 | 2019-12-10 | 成都理工大学工程技术学院 | Drowning prevention monitoring method and system |
| CN111260887A (en) * | 2020-01-15 | 2020-06-09 | 北斗(天津)科学技术应用研究院(有限合伙) | Life guarantee method of intelligent swimming pool |
| IT202000024133A1 (en) * | 2020-10-13 | 2021-01-13 | Ondalogic S R L | Optimized tutoring system |
| TWI718673B (en) * | 2019-09-18 | 2021-02-11 | 崑山科技大學 | A drowning warning method suitable for swimming pool activities |
| CN117218727A (en) * | 2023-11-08 | 2023-12-12 | 网思科技股份有限公司 | Drowning monitoring method, device, equipment and storage medium |
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