WO2016023138A1 - Appareil d'appel au secours en cas de noyade à des fins d'amélioration des communications par ondes électromagnétiques du type immergé - Google Patents

Appareil d'appel au secours en cas de noyade à des fins d'amélioration des communications par ondes électromagnétiques du type immergé Download PDF

Info

Publication number
WO2016023138A1
WO2016023138A1 PCT/CN2014/000759 CN2014000759W WO2016023138A1 WO 2016023138 A1 WO2016023138 A1 WO 2016023138A1 CN 2014000759 W CN2014000759 W CN 2014000759W WO 2016023138 A1 WO2016023138 A1 WO 2016023138A1
Authority
WO
WIPO (PCT)
Prior art keywords
electromagnetic wave
head
antenna
transmitter
swimming
Prior art date
Application number
PCT/CN2014/000759
Other languages
English (en)
Chinese (zh)
Inventor
杨秉勋
Original Assignee
杨秉勋
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 杨秉勋 filed Critical 杨秉勋
Priority to PCT/CN2014/000759 priority Critical patent/WO2016023138A1/fr
Publication of WO2016023138A1 publication Critical patent/WO2016023138A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
    • B63C9/13—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like attachable to body member, e.g. arm, neck, head or waist
    • 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
    • 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

Definitions

  • the present invention relates to a drowning rescue device for improving underwater electromagnetic wave communication, and more particularly to a drowning rescue device disposed on a head-mounted swimming device.
  • BACKGROUND OF THE INVENTION Water-repellent devices with electronic transmitters worn by swimmers have been produced to automatically alert the swimmer when he is drowning to alert the lifeguard to rescue.
  • a big problem with the general electronic drowning rescue equipment is that electromagnetic waves are difficult to communicate underwater. This is a big problem that has plagued the industry for a long time in the world. The energy attenuation of electromagnetic waves in water is very fast.
  • the energy attenuation of electromagnetic waves per 100 meters in water differs by more than 100 times.
  • the electromagnetic wave attenuation in seawater is dozens of times in the swimming pool water, because the salinity in the human body is higher than the swimming pool water. It is much higher and its conductivity is better than that of swimming pool water. Therefore, the energy attenuation of electromagnetic waves in the human body is also dozens of times that of swimming pool water (although it is not comparable to the attenuation speed of electromagnetic waves in seawater).
  • ultrasonic transmission signals were used in underwater communication, but ultrasonic communication equipment was too large and directional, and ultrasonic waves were difficult to transmit on digital signals.
  • low-frequency electromagnetic waves were also used to propagate signals under water, but in low-frequency electromagnetic wave equipment.
  • the antenna is too large and consumes power.
  • high-frequency electromagnetic waves above 1 G Hz
  • the energy decays very quickly.
  • the receivers used to receive the transmitted signals are generally placed at the edge of the pool.
  • the electromagnetic wave propagation path is from 3/4 water depth (75 cm) to the receiving end; 3/4 water depth (75 cm) to the shore receiving end is drawn in a straight line L1, this straight line L1 underwater part Draw a dotted line, the solid part of the water is drawn, the intersection point of L1 and the water surface is A, the connecting end is connected with the solid line L2, and the solid line L2 is the distance of electromagnetic wave underwater propagation.
  • the estimated L2 is about 4 meters, not only the electromagnetic wave is in the water.
  • the quality of the lower propagation is unstable, and the propagation efficiency is poor: Therefore, it is necessary to improve. If the electromagnetic wave receiving station is placed above the water surface, the electromagnetic wave propagation distance in the water can be reduced by a factor of two, and the communication effect is greatly improved.
  • the main object of the present invention is to solve the above problems and provide a "water-repellent device for improving underwater electromagnetic wave communication".
  • a swimmer wears the water-scraping device in the present invention, the efficiency of the electronic help signal transmission during drowning can be improved. Stability, increase the chances of survival for drowning rescue. Because the Surabaya rescue device is used in an emergency, and there are many users (swimmers) at the same time, high-quality electromagnetic wave communication is highly desirable.
  • a water-saving rescue device for improving underwater electromagnetic wave communication includes a head-mounted swimming device, and the head-mounted swimming device is provided with a launcher, which can be a swimming cap or a swimming ball.
  • the mirror has a receiving portion from the front to the rear to set the transmitter.
  • the transmitter includes a judging unit and an antenna, the judging unit sensing the state of the user by using an electronic operation, and issuing a distress signal through the antenna when the user is in a hydrophobic state.
  • the antenna is a general metal wire body, the length of which is a set value, and the length thereof may be one-half or one-fourth of the wavelength of the electromagnetic wave signal, and when the transmitter is mounted on the head-mounted swimming device, The antenna extends from the front of the user's head to the rear, so that the signal emitted by the transmitter under the water can be effectively received by the receiver disposed around the pool and transmitted to the back-end electronic control center for receiving the transmission.
  • the receiver for transmitting the signal is suspended above the swimming pool by the wire rope, thereby shortening the distance that the electromagnetic wave signal propagates in the water, and improving the efficiency and stability of the water-sending signal transmission.
  • FIG. 1 is a schematic view of a transmitter of the present invention
  • FIG. 2 is a schematic view of a transmitter mounted on a head-mounted swimming device according to an embodiment of the present invention
  • FIG. 3 is a schematic view of a transmitter mounted on a head-mounted swimming device according to another embodiment of the present invention
  • FIG. 4 is a schematic view showing a configuration of a receiver in a water-scraping device according to the present invention
  • Figure 5 is a top view of the configuration of the receiver in the drowning rescue device of the present invention
  • FIG. 6 is a schematic diagram of launching and receiving of a hydrophobic signal in the present invention.
  • Figure 7 is a schematic diagram of the launch and reception of the hydrophobic signal in the prior art device.
  • the "Water-repellent device for improving underwater electromagnetic wave communication" of the present invention comprises a head-mounted swimming device 10, a transmitter 20, a receiver 30, and an electronic control center 40, wherein:
  • the head-mounted swimming device 10 can be a swimming cap or a swimming goggle.
  • the present invention is described by taking a swimming cap as an example.
  • the outer periphery of the head-mounted swimming device 10 is provided with a receiving portion 1 1 from the front to the rear for setting the launching.
  • the orientation of the accommodating portion 1 1 in which the transmitter 20 is mounted may be disposed along the circumference of the circumference of the head-mounted swimming device 10 or the periphery of the arc-shaped top as shown in FIGS. 2 and 3.
  • the transmitter 20 is provided with a judging unit 21 and an antenna 22 at the other end.
  • the judging unit 21 senses the state of the user in the water by using an electronic operation, and sends a distress signal through the antenna when the user is in a drowning state.
  • the antenna 22 is a generally flexible metal wire body having a specific length L, and the length L is in mm, and the length L is one-half or one-quarter of the wavelength of the electromagnetic wave signal, for example, when the frequency of the transmitted signal is 31 5HZ.
  • the length L of the antenna 22 is about 23 cm (quarter wavelength), or when the signal frequency is 433 Hz, the length L of the antenna 22 is about 34 cm (one-half wavelength).
  • a metal reflecting surface 221 is disposed on the inner side of the antenna 22 near the head to prevent electromagnetic waves from affecting human health.
  • the determining unit 21 is located in front of the head mounted swimwear 10, and the antenna 22 extends rearward from the front of the user's head. .
  • the receiver 30 is configured to receive the electronic signal emitted by the transmitter 20, and then transmit the received signal to the back end electronic control center 40, as shown in FIG. 4 and FIG. 5, when the transmitter 20 is 1 meter underwater. 20 meters from the side of the pool. When the receiver 30 is located above the pool, the electromagnetic wave travels 1 meter in the water, which can shorten the signal propagation distance.
  • the electronic control center 40 is composed of a host 41 and a screen 42. After receiving the signal transmitted by the receiver 30, the host 41 determines whether the swimmer is currently in a water state according to the signal content. When an abnormality occurs, an alarm signal is sent to inform the lifeguard.
  • the unique antenna 22 design of the transmitter 20, and the special structure of the head mounted swimwear 10, coupled with the configuration of the receiver 30 suspended above the water surface of the swimming pool, enables the transmitter 20 to be
  • the signal emitted underwater can be stably and quickly received by the receiver 30 disposed around the pool, and then transmitted to the back center electronic control center 40 to improve the efficiency and stability of the drowning signal transmission.
  • the present invention uses electromagnetic waves of a frequency of megahertz to tens of hertz in a UHF band, such as 433 MHz or 315 MHz (for international open frequencies), one-half of which is The quarter-wave antenna can just bypass about half of the head.
  • This device can reduce the electromagnetic wave energy absorbed by the head.
  • the electromagnetic energy absorbed by the head is more than the electromagnetic energy absorbed by the water, because the head has a high salinity. Whether it is a face upstroke or a face down breaststroke, because the antenna has bypassed half of the head, there is an antenna near the water surface when using this device for backstroke, thus avoiding the head to absorb electromagnetic energy.
  • the breaststroke also has one end antenna close to the water surface, which can also reduce the electromagnetic wave energy absorbed by the head, and has no communication dead angle, and can also be equipped with a metal reflecting surface on the inner side of the antenna close to the head to avoid electromagnetic waves affecting human health.
  • the device has very good underwater communication function, and the antenna of the device is soft and slender, which hardly affects the convenience of swimming, and has less influence on swimming than the swimming goggles.
  • the device is inexpensive to manufacture, and the general wire can be used, and the effect is good. Compared with the various deficiencies of the underwater propagating electromagnetic wave signals in the prior art device shown in FIG.
  • the present invention sets the receiver 30 for receiving signals at the upper end of the pool instead of the shore, and the electromagnetic wave travels only 1 meter in the water or More than 1 meter, the transmission efficiency is quite different. If the electromagnetic wave water travel distance is reduced by 1 meter, the electromagnetic wave transmission efficiency will be many times different.
  • H is the electromagnetic wave emission position
  • D is the H position seen from the water surface (the person will see the water in the air will become shallower)
  • A, B, C are the receiver position
  • A is set at present and There is a bank with the same location.
  • the C position the electromagnetic wave travels in the water for a short distance.
  • the electromagnetic wave travels in the water at a shorter distance than A.
  • electromagnetic waves travel farther in the water than C. Therefore, if the same number and height of electromagnetic wave receiving stations can be evenly distributed above the swimming pool, instead of being on the pool side, the communication effect is several times different and there is no communication dead angle. And the higher the receiving station height, the better the communication quality.
  • the antenna is around the head, whether it is backstroke or breaststroke, the antenna always has one end close to the water surface. In this case, the electromagnetic wave travels only a few centimeters in the water, and high-quality communication is easy to achieve.
  • the DATA RATE transmitted by the wave (such as 120Kbps, which can transmit 120K bit data in one second) can save power and increase the number of swimmers using the device (because there are too many users with electromagnetic interference at the same frequency).
  • a lower DATA RATE such as 0.1 Kbps, can be used in an emergency to meet different needs.
  • the lower the DATA RATE the higher the quality of the electromagnetic wave communication (that is, the error will not occur or the reception will be poor).
  • the DATA RATE level can vary by a thousand times for the energy required for communication.
  • a metal electromagnetic wave reflector (such as a breaststroke) is placed behind the antenna. This will cause the electromagnetic waves to reflect out into the bottom of the water, or be blocked by the head or reflected by the metal to create a communication dead angle, making electromagnetic communication in the water more difficult.
  • the drowning alarm device is in great need of high-quality communication requirements, but those in the radio field know that electromagnetic wave communication in water is a great challenge, and the present invention solves this problem.
  • the present invention has excellent advancement and practicability in similar products, and at the same time, the technical data on such structures at home and abroad are not investigated, and the same structure is not found in the literature. Therefore, this The invention has already met the application requirements for invention patents, and applied for it according to law.

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

L'invention concerne un appareil d'appel au secours en cas de noyade à des fins d'amélioration des communications par ondes électromagnétiques du type immergé, comportant un article de vêtement de bain porté sur la tête (10), l'article de vêtement de bain porté sur la tête (10) étant muni d'un émetteur (20), l'article de vêtement de bain porté sur la tête (10) étant un bonnet de bain ou une paire de lunettes de natation, et l'article de vêtement de bain porté sur la tête (10) étant pourvu d'une partie formant contenant (11) destinée à contenir l'émetteur (20). L'émetteur (20) comprend une unité de détermination (21) et une antenne (22), dans lequel l'unité de détermination (21) est utilisée pour détecter un état d'un utilisateur dans l'eau et pour envoyer un signal d'appel au secours par le biais de l'antenne (22) quand l'utilisateur reste dans un état de noyade, la longueur (L) de l'antenne (22) est d'une valeur de consigne et mesure environ la moitié ou un quart de celle de la longueur d'onde d'un signal d'onde électromagnétique, l'antenne (22) est constituée à partir d'un conducteur à un seul noyau ou à plusieurs noyaux, quand l'émetteur (20) est installé sur l'article de vêtement de bain porté sur la tête (10), l'antenne (22) est agencée de manière à s'étendre vers l'arrière depuis le côté avant de la tête de l'utilisateur, ce qui permet de réduire l'énergie d'onde électromagnétique absorbée par la tête, à savoir que l'énergie d'onde électromagnétique absorbée par la tête peut être réduite si l'utilisateur nage sur le dos avec le visage orienté vers le haut ou si l'utilisateur nage sur le ventre avec le visage orienté vers le bas.
PCT/CN2014/000759 2014-08-11 2014-08-11 Appareil d'appel au secours en cas de noyade à des fins d'amélioration des communications par ondes électromagnétiques du type immergé WO2016023138A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/000759 WO2016023138A1 (fr) 2014-08-11 2014-08-11 Appareil d'appel au secours en cas de noyade à des fins d'amélioration des communications par ondes électromagnétiques du type immergé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/000759 WO2016023138A1 (fr) 2014-08-11 2014-08-11 Appareil d'appel au secours en cas de noyade à des fins d'amélioration des communications par ondes électromagnétiques du type immergé

Publications (1)

Publication Number Publication Date
WO2016023138A1 true WO2016023138A1 (fr) 2016-02-18

Family

ID=55303745

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/000759 WO2016023138A1 (fr) 2014-08-11 2014-08-11 Appareil d'appel au secours en cas de noyade à des fins d'amélioration des communications par ondes électromagnétiques du type immergé

Country Status (1)

Country Link
WO (1) WO2016023138A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111833567A (zh) * 2020-05-30 2020-10-27 北京方德泳安体育文化有限公司 一种基于uwb、九轴陀螺仪的运动检测系统

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09201338A (ja) * 1996-01-26 1997-08-05 Hiromichi Omura 可撓性生体情報発信装置
WO2002023501A1 (fr) * 2000-09-15 2002-03-21 Koen Verhoef Dispositif d'alarme
CN2550853Y (zh) * 2001-11-10 2003-05-14 卢晓燕 多用途溺水自动无线信号报警器
CN200965721Y (zh) * 2006-11-14 2007-10-24 黄晓丹 智能游泳防溺水监测器
EP1927958A1 (fr) * 2006-12-01 2008-06-04 SenzAthlon GmbH Dispositif mobile pour nageur
US20080278338A1 (en) * 2007-05-10 2008-11-13 Jordan Michael Krell Drowning alert system
US20090027211A1 (en) * 2007-07-23 2009-01-29 Cutler David M Electronic Swimmer Monitoring System
US20110241887A1 (en) * 2010-04-02 2011-10-06 Mckinney George Anthony Waterproof optically-sensing fiberless-optically-communicating vitality monitoring and alarming system, particularly for swimmers and infants
CN102222400A (zh) * 2010-04-16 2011-10-19 上海太极电子科技发展有限公司 全方位应急搜救人体落险报警仪
CN102240440A (zh) * 2011-07-20 2011-11-16 北京联合大学 多功能泳镜
CN103280074A (zh) * 2013-05-16 2013-09-04 西南林业大学 一种低成本室内游泳池溺水救生自动报警系统
CN103489285A (zh) * 2013-10-23 2014-01-01 沈娟燕 一种溺水报警系统
EP2701130A1 (fr) * 2012-08-24 2014-02-26 Safety Cap XXI, S.L. Système de prévention de noyade

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09201338A (ja) * 1996-01-26 1997-08-05 Hiromichi Omura 可撓性生体情報発信装置
WO2002023501A1 (fr) * 2000-09-15 2002-03-21 Koen Verhoef Dispositif d'alarme
CN2550853Y (zh) * 2001-11-10 2003-05-14 卢晓燕 多用途溺水自动无线信号报警器
CN200965721Y (zh) * 2006-11-14 2007-10-24 黄晓丹 智能游泳防溺水监测器
EP1927958A1 (fr) * 2006-12-01 2008-06-04 SenzAthlon GmbH Dispositif mobile pour nageur
US20080278338A1 (en) * 2007-05-10 2008-11-13 Jordan Michael Krell Drowning alert system
US20090027211A1 (en) * 2007-07-23 2009-01-29 Cutler David M Electronic Swimmer Monitoring System
US20110241887A1 (en) * 2010-04-02 2011-10-06 Mckinney George Anthony Waterproof optically-sensing fiberless-optically-communicating vitality monitoring and alarming system, particularly for swimmers and infants
CN102222400A (zh) * 2010-04-16 2011-10-19 上海太极电子科技发展有限公司 全方位应急搜救人体落险报警仪
CN102240440A (zh) * 2011-07-20 2011-11-16 北京联合大学 多功能泳镜
EP2701130A1 (fr) * 2012-08-24 2014-02-26 Safety Cap XXI, S.L. Système de prévention de noyade
CN103280074A (zh) * 2013-05-16 2013-09-04 西南林业大学 一种低成本室内游泳池溺水救生自动报警系统
CN103489285A (zh) * 2013-10-23 2014-01-01 沈娟燕 一种溺水报警系统

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111833567A (zh) * 2020-05-30 2020-10-27 北京方德泳安体育文化有限公司 一种基于uwb、九轴陀螺仪的运动检测系统
CN111833567B (zh) * 2020-05-30 2022-02-18 北京方德泳安体育文化有限公司 一种基于uwb、九轴陀螺仪的运动检测系统

Similar Documents

Publication Publication Date Title
US11984936B2 (en) Wireless audio streaming system for swimmers and under water applications
JP2014514894A5 (fr)
US20240007198A1 (en) Bluetooth range extender for underwater use to connect smartwatch to headphones
WO2016023138A1 (fr) Appareil d'appel au secours en cas de noyade à des fins d'amélioration des communications par ondes électromagnétiques du type immergé
JP2007221756A (ja) 信号伝送装置
CN209729002U (zh) 一种可穿戴式的溺水报警器和溺水报警系统
Cappelli et al. Underwater to above water LoRaWAN networking: Theoretical analysis and field tests
WO2006093834A1 (fr) Systeme et procede de communication de donnees sous-marine
CN216927775U (zh) 防溺水装置及系统
CN204269823U (zh) 一种水下声纳定位装置
Santos et al. Real time underwater radio communications in swimming training using antenna diversity
CN106108562A (zh) 一种测量水位的智能水杯
TW201605687A (zh) 改善水下電磁波通訊之頭戴式泳具之溺水求救裝置
CN107967788A (zh) 一种游泳池安全监控系统
US8547780B2 (en) Acoustic markers
CN201355830Y (zh) 一种可探测周围障碍物的移动终端
CN104242485B (zh) 电表的无线供电装置
CN209729001U (zh) 一种泳池区域报警器和溺水报警系统
CN108270490B (zh) 一种适用于水下的可见光通信系统
CN207924873U (zh) 一种游泳池安全监控系统
CN110557202A (zh) 基于led光源的水下通信装置
CN207264557U (zh) 一种智能报警装置及泳帽
CN105684371B (zh) 一种无线通信方法及装置
US2398815A (en) Submarine signaling
CN212255681U (zh) 一种用于救生的超短基线定位装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14899911

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14899911

Country of ref document: EP

Kind code of ref document: A1