CN111359171A - Drowning-prevention swimming reminding glasses and reminding method thereof - Google Patents
Drowning-prevention swimming reminding glasses and reminding method thereof Download PDFInfo
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- CN111359171A CN111359171A CN202010184656.9A CN202010184656A CN111359171A CN 111359171 A CN111359171 A CN 111359171A CN 202010184656 A CN202010184656 A CN 202010184656A CN 111359171 A CN111359171 A CN 111359171A
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- drowning
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- water level
- reminding
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B33/00—Swimming equipment attachable to the head, e.g. swim caps or goggles
- A63B33/002—Swimming goggles
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/08—Alarms for ensuring the safety of persons responsive to the presence of persons in a body of water, e.g. a swimming pool; responsive to an abnormal condition of a body of water
- G08B21/088—Alarms for ensuring the safety of persons responsive to the presence of persons in a body of water, e.g. a swimming pool; responsive to an abnormal condition of a body of water by monitoring a device worn by the person, e.g. a bracelet attached to the swimmer
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/016—Personal emergency signalling and security systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
Abstract
The invention discloses drowning prevention swimming reminding glasses and a reminding method thereof, wherein the reminding method of the drowning prevention swimming reminding glasses comprises the following steps: s1, detecting whether the nasal cavity of a user is submerged in water in real time by using swimming goggles, and if yes, executing a step S2; s2, starting a timing circuit of the swimming goggles; s3, the swimming goggles judge whether the time recorded by the timing circuit exceeds a preset threshold value, if not, the step S2 is continuously executed; if yes, acquiring drowning information, and executing step S4; and S4, the swimming goggles send the drowning information to the mobile terminal. The drowning prevention swimming goggles can accurately judge the drowning condition of a user and enable a guardian or an accompanying person to receive reminding information in time through wireless transmission, so that the drowning person can be helped in time, and the drowning of the user with poor self-rescue capability is avoided.
Description
Technical Field
The invention belongs to the technical field of swimming equipment, and particularly relates to drowning-preventing swimming reminding glasses and a reminding method thereof.
Background
Swimming as a physical exercise beneficial to health is deeply popular with the masses. When the weather is hot every year, parents can bring children to a swimming pool to swim. However, the swimming pool is large in number of adults and children, so that the states of children cannot be found timely easily due to carelessness, and drowning events often occur. The drowning prevention equipment in the prior art comprises a swim ring, a life jacket and drowning prevention goggles, but the main principle of the drowning prevention goggles is that when a drowned person drowns, an air bag is utilized to impact the nasal cavity or supply air for breathing, for example, patent document with publication number CN106669119B discloses a drowning prevention goggles, an inflatable air bag is fixed on a glasses body and is communicated with an air duct, a nose clip is arranged at the front end of the air duct and comprises an inner nose plug and a connector, the inner nose plug is respectively fixed on the connector at the left and the right, a connecting hole is arranged in the connector, a nose plug through hole which is communicated up and down is arranged in the inner nose plug, the upper end of the inner nose plug can be inserted into the nasal cavity, a clamping bulge which is bent towards the inner side is arranged at the upper part of the inner nose plug, a rotating structure is arranged in the connector and comprises a rotating wheel and a pulling line with one end wound on, the other end of the pulling line is connected with the pushing handle through the air duct, the wheel shaft of the rotating wheel is connected with the inner nasal plug, when the pushing handle is displaced to communicate the air bag with the air duct, the pulling line is pulled, the pulling line drives the rotating wheel to rotate, so that the inner nasal plug rotates, and the clamping protrusions of the two inner nasal plugs are matched with each other to clamp the nasal columella of a user. Obviously, the drowned swimming goggles of preventing of prior art is applicable to the user that has the swimming technical basis, and to children, the swimming technique is immature, and the drowned swimming goggles of preventing of prior art can not make the effect of protection to children's drowning, also can not in time transmit children's drowned information to guardian or accompany in personnel's mobile terminal. Therefore, in consideration of safety, people urgently need a method for reminding adults of the condition of children in a swimming pool to prevent drowning accidents, and parents of children cannot be reminded.
In view of the above technical problems, it is desirable to improve.
Disclosure of Invention
Based on the defects in the prior art, the invention provides drowning-preventing swimming reminding glasses and a reminding method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a reminding method of drowning prevention swimming reminding glasses comprises the following steps:
s1, detecting whether the nasal cavity of a user is submerged in water in real time by using swimming goggles, and if yes, executing a step S2;
s2, starting a timing circuit of the swimming goggles;
s3, the swimming goggles judge whether the time recorded by the timing circuit exceeds a preset threshold value, if not, the step S2 is continuously executed; if yes, acquiring drowning information, and executing step S4;
and S4, the swimming goggles send the drowning information to the mobile terminal.
Further, step S2 is preceded by:
the swimming goggles detect whether the motion state of the user is in a drowning state in real time.
Furthermore, the swimming glasses comprise a glasses frame body and a wearing piece, two water level sensing points are arranged at the nose wing part at the lower part of the glasses frame body, and a power supply, a water level detection circuit, a central processing unit circuit and a wireless transceiver circuit are arranged in the glasses frame body, wherein the water level detection circuit, the central processing unit circuit and the wireless transceiver circuit are electrically connected with the power supply; the water level detection circuit is electrically connected with the water level sensing point and the central processing unit circuit; the timing circuit is arranged in the central processing unit.
Further, the step S1 is specifically: detecting the water level sensing point through the water level detection circuit to judge whether the nasal cavity of the user is submerged, if so, inputting the detected information submerged into the central processing unit circuit, and executing the step S2;
the step S4 specifically includes: and transmitting the drowning information to the mobile terminal through a wireless transceiver circuit.
Furthermore, a gyroscope circuit is arranged in a spectacle frame body of the swimming goggles to detect the motion state of a user, and the gyroscope circuit is connected with the central processing unit circuit;
whether the motion state of the real-time detection user is in a drowning state specifically comprises the following steps: the motion state of the user is detected by the gyroscope circuit and input to the central processing unit circuit.
Furthermore, an and gate circuit is further arranged in the central processing unit circuit, the information and the motion state which are submerged in the water respectively trigger the timing circuit, control signals are output through the and gate circuit, and the control signals are sent to the mobile terminal through the wireless transceiver circuit.
Further, the gyroscope circuit includes a MEMS gyroscope chip.
Further, the water level detection circuit comprises a water level sensor and a signal discharger; the central processing unit circuit comprises an STM32F030 series IC main control chip; the wireless transceiver circuit comprises an NRF51822 wireless SOC chip.
Further, the power supply comprises a lithium battery and a wireless charging circuit.
Correspondingly, the drowning-preventing swimming reminding glasses are based on the drowning-preventing swimming reminding glasses reminding method according to any one of claims 1 to 9, and comprise a glasses frame body and a wearing piece, wherein two water level sensing points are arranged at the nose wing part of the lower part of the glasses frame body, and a power supply, a water level detection circuit, a central processing unit circuit, a wireless transceiver circuit and a gyroscope circuit are arranged in the glasses frame body, and are electrically connected with the power supply; the water level detection circuit is electrically connected with the water level sensing point and the central processing unit circuit; the gyroscope circuit is connected with the central processing unit circuit; and a timing circuit and an AND gate circuit are arranged in the central processing unit.
Compared with the prior art, the invention has the beneficial effects that: the drowning prevention swimming goggles can accurately judge the drowning condition of a user and enable a guardian or an accompanying person to receive reminding information in time through wireless transmission, so that the drowning person can be helped in time, and the drowning of the user with poor self-rescue capability is avoided.
Drawings
FIG. 1 is a schematic diagram of an appearance structure of drowning prevention swimming reminding glasses according to a first embodiment of the invention;
FIG. 2 is a schematic block diagram of drowning prevention swimming reminder glasses according to a first embodiment of the invention;
FIG. 3 is an electrical schematic diagram of a water level detection circuit of the drowning prevention swimming warning glasses according to the first embodiment of the invention;
FIG. 4 is an electrical schematic diagram of a CPU circuit of the drowning prevention swimming warning glasses according to the first embodiment of the present invention;
FIG. 5 is an electrical schematic diagram of a wireless transceiver circuit of the drowning prevention swimming reminder glasses according to the first embodiment;
FIG. 6 is an electrical schematic diagram of a gyroscope circuit of the drowning prevention swimming reminder glasses of the first embodiment;
FIG. 7 is a schematic diagram of the overall circuit of the drowning prevention swimming reminder glasses of the first embodiment;
FIG. 8 is a schematic structural diagram of the swimming goggles of the third embodiment for preventing drowning;
FIG. 9 is a flow chart of a reminding method of the drowning prevention swimming reminding glasses provided by the fifth embodiment
Wherein: 1. the glasses comprise a glasses frame body, 2 glasses fixing bands, a water level sensing points a, b water level sensing points b, A power supply, B water level detection circuits, C central processing unit circuits D, a wireless transceiver circuit, E gyroscope circuits, 3 water level sensing point adjusting rubber pads and 4 water quality monitoring pipes.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention, the following description will explain the embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
The first embodiment is as follows:
as shown in fig. 1-7, the present embodiment provides a pair of swimming goggles capable of detecting the swimming status of a child, and when the swimming goggles reach a certain time in water, the swimming goggles trigger a corresponding receiver to alarm, wherein the receiver may be a mobile phone, a bracelet, a tablet computer, or the like, or may be a device specially made according to the wireless communication standard.
Specifically, the drowning-proof swimming reminding glasses comprise a glasses frame body and a wearing piece, wherein the wearing piece adopts a conventional glasses fixing band 2, two water level sensing points are arranged on the glasses frame body, and a power supply A, a water level detection circuit B, a central processing unit circuit C and a wireless transceiving circuit D are arranged in the inner space of the glasses frame body and are electrically connected with the power supply A; the power supply A is a lithium battery or other batteries capable of storing energy, preferably a rechargeable battery, and can be used as a low-power-consumption power supply by matching with a wireless charging circuit and a wireless charger or a charging port, a charging management circuit and power management, wherein the wireless charging principle is that energy is conducted to charging terminal equipment by wireless charging equipment through near-field induction, and the terminal equipment converts the received energy into electric energy to be stored in the batteries of the equipment. The principle of energy conduction is inductive coupling, an exposed conductive interface can be guaranteed, messy transmission lines among equipment can be omitted, and the electronic equipment which is always in contact with conductive media such as liquid is safer. The water level detection circuit B is electrically connected with the water level sensing points to detect the water level states of the water level sensing points, the water level detection circuit B is electrically connected with the central processing unit circuit C to input the water level states into the central processing unit circuit C, the central processing unit circuit C is electrically connected with the sending unit of the wireless receiving and sending circuit D, a gyroscope circuit E is further arranged in the glasses frame to detect the motion state, the gyroscope circuit E and the central processing unit circuit C input the motion state into the central processing unit circuit C, an AND gate circuit is further arranged in the central processing unit circuit C, and the water level state and the motion state respectively trigger the timing circuit to output a control signal to the wireless receiving and sending circuit D through the AND gate circuit to send drowning reminding outwards.
Specifically, two water level sensing points, namely a water level sensing point a and a water level sensing point b, are arranged on the lower nasal wings of the spectacle frame body 1, namely, are positioned near the positions of wearing nostrils, and because breathing is the instinct of human beings, people cannot breathe during swimming, people can expose the nasal cavities out of the water surface to breathe at variable time, and the nasal cavities are not soaked in water for a long time so as not to choke water, so that the water level sensing points are arranged on the nasal wings to detect whether the nasal cavities of people are underwater or above the water surface.
The water level sensing point is made of a high-conductivity metal material such as stainless steel, copper, silver and the like and is matched with a water level detection circuit B, and the water level detection circuit B comprises a water level sensor and a signal discharger which are electrically connected with the water level sensing point; preferably, a signal processing chip can be attached behind the signal amplifier, and an MCU with a high-precision AD is selected.
Wherein, the power supply A adopts a micro power supply battery; the MCU of central processing unit circuit C adopts STM32F030 series IC master control chip, concrete model is like STM32F030F4P6, STM32F030 series IC master control chip, be a high performance price ratio 32 bit microcontroller, can provide 256K to 512K flash memory program memory, and 48-72MHZ operating frequency, powerful IO, independent watchdog, take independent clock source, with 1 clock safety coefficient, satisfy the timing circuit control that central processing unit circuit C required, with the performance and the stability of ensureing equipment, and master control chip STM32F030 series IC is owing to possess excellent performance and driving capability, can dock with the interface of various leading input circuit very conveniently, reach good cooperation effect.
Wherein, the gyroscope circuit E main body adopts MEMS (micro electro mechanical system) gyroscope chip of semiconductor, such as MPU6050, the gyroscope chip contains a micro magnetic body, can displace towards X, Y and Z directions under the action of Coriolis force generated when the glasses rotate, can measure the motion direction of human body by using the principle, the gyroscope chip also comprises an accelerometer which can be used for detecting linear acceleration and inclination angle, the single or multi-axis accelerator can induct and combine the amplitude and direction of linear acceleration and gravitational acceleration, the three-axis gyroscope can be used for carrying out motion track calculation and judging the current swimming state according to an algorithm.
The wireless transceiver circuit D adopts a Bluetooth module, and in view of the fact that electronic products in the market are fast to update, the wireless transceiver circuit D adopts a Bluetooth 4.2 module, and can be compatible with all low-level versions, preferably, the NRF51822 of NORDIC is adopted in the embodiment, the NRF51822 is a low-power consumption 2.4G wireless SOC chip, supports nRF51 series 2.4G wireless, and comprises a 32-micro arm Cortex-MO CPU component, a flash memory, and analog and digital interfaces, the NRF51802 supports low-power consumption Bluetooth and a 2.4GNORDIC protocol, and the product is widely applied to occasions such as Bluetooth products, intelligent wearing (hardware), game controllers, sports and fitness sensors, and meets the required wireless transceiver function.
When the lower nose wing of the glasses frame body 1 is below or above the water level, different resistance values are connected between two water level sensing points a and B, a water level detection circuit B amplifies signals of detected data through an amplifying circuit and transmits the signals to a signal processing chip for data processing, state monitoring is carried out by judging the change of the resistance values of the two sensing points, once drowning or long-time diving state occurs, namely two digital sensing points are immersed under water at the same time, the potential of the digital sensing points changes, the circuit can judge whether the head is under water or above the water surface by detecting the potential changes of the two sensing points of the water level sensing point a and the water level sensing point B, the potential difference between the two points can be used for triggering a timing circuit to carry out time timing of potential value maintenance by sending the water level state to a central processing unit circuit C, when the head is completely immersed in water, namely the two water level sensing points are immersed in water at the, at the moment, the circuit detects that the electric potentials on 2 induction points are equal, the electric signal is output to the MCU after the electric signal is amplified by the water level amplifying circuit, the clock circuit in the MCU starts to time, when a certain time value is reached, if a proper breath holding time is set according to the age, the abnormal state of drowning can be assumed, a signal is input to the later-stage AND gate circuit, the gyroscope circuit E is also used for detecting the change of the motion trail of the human body all the time, when the situation that the human body moves up and down all the time and does not move directly or in a displacement mode is detected, and after the certain time value is reached, if the proper breath holding time is set according to the age, the abnormal state of drowning can be assumed, a signal is also input to the later-stage AND gate circuit, based on the two states which occur simultaneously, the conduction condition of the triggering AND gate circuit is reached, the central processing unit MCU carries out internal operation, the voice distress signal circuit for transmitting the Bluetooth is started by triggering preset voice information through the output control signal instruction, and an adult and a guardian at a distance can receive an alarm signal sent by the swimming goggles through a mobile phone or other equipment capable of being connected with the Bluetooth in real time, so that the child is prompted to possibly have abnormal swimming states, such as drowning conditions, and needs to be rescued as soon as possible, thereby saving in time and avoiding personal injury.
Preferably, the distance detection of the receiver is added into the wireless transceiver circuit D and is connected with the timing circuit of the central processing unit circuit C, and the receiver can also give an alarm after the drowning-proof swimming goggles exceed a certain distance so as to remind that the user leaves the monitoring area and avoid that the reminding information cannot be received after the distance is too far; further, usable procedure sets up safe distance, for example in 2-5 meters (need to explain, this embodiment does not limit to safe distance, the user can set up safe distance according to actual conditions), can set up the switching function of swimming mode and dive mode, normal feedback warning is reminded when swimming the mode, can switch dive mode in safe distance, water level induction point cooperation timing circuit feedback time of intaking this moment, can regard as dive timer, this mode sets up age suffocates the upper limit, set up average suffocate time according to age, exceed the upper limit and also can do the warning feedback, the enhancement is functional.
In this embodiment, the drowning prevention reminding glasses are further integrated with a positioning device, such as a GPS. The central processing unit circuit is connected with the positioning device circuit through the serial port communication circuit, so that the position information of a user is obtained; when the central processing unit circuit receives the abnormal swimming state, the wireless transceiver circuit is started, and the position information and the alarm information of the user are sent to the receiver, so that parents or accompanying personnel can obtain the specific position of the user in time, and further the next rescue measures are taken.
In this embodiment, still include voice module in the drowning prevention warning glasses, voice module includes the speaker, and voice module is connected with central processing unit circuit electricity, and when the central processing unit circuit received swimming abnormal state, still will report an emergency and ask for help or increased vigilance information transmission to voice module when sending the information of reporting an emergency and asking for help or increased vigilance to the receiver to trigger the speaker and send out the police dispatch newspaper. Therefore, the embodiment not only sends the alarm information to the receiving end, but also sends the help seeking information through the voice module reminding the glasses, so that nearby personnel can rescue the user.
In this embodiment, still include physiological state monitoring module among the drowning prevention warning glasses, set up the contact inductor at the laminating point department that swimming glasses and user wore, cooperation procedure is with monitoring wearer's physical stamina consumption, activity time, body fat state, respiratory state etc. for example: the light emitting tube and the photosensitive receiving device of the transmission type photoelectric sensor are arranged on two sides of swimming goggles, incident light penetrates through skin and enters deep tissues, the incident light is absorbed by skin, muscle, blood and the like, the light transmission of the rest part is sensed by the photosensitive receiver, the blood volume in blood vessels is measured to change along with the blood pumping of the heart, the periodic change of the blood volume forms the basis for estimating the heart rate by utilizing a PPG signal, the heart rate is estimated by calculating the distance between characteristic points (such as peak values) in adjacent periods, in brief, the speed of blood flowing in the body is controlled by the frequency of the heart beat, and the heart rate is judged by measuring the flow speed of the blood through the light. For another example, an acceleration sensor is arranged in the spectacle frame, and the accelerometer can judge whether the equipment is in a horizontal or vertical position by measuring the swimming direction and acceleration force so as to judge whether the equipment moves, thereby achieving the operation of recording the amount of exercise. The detected information is transmitted to the receiving end, so that the functionality of the equipment can be enhanced. In addition, the swimming glasses also have strong privacy, the NFC access control chip can be installed in the customized swimming glasses for the swimming pool, and personal clients of the swimming pool can enter the swimming glasses by means of equipment, so that the swimming glasses have commercial novelty.
The swimming reminding glasses capable of preventing drowning can accurately judge the drowning condition of a user and effectively ask for help through wireless Bluetooth, and drowning of the user with immature swimming technology and poor self-rescue capability is avoided.
Example two:
the drowning prevention reminding glasses of the embodiment are different from the first embodiment in that:
an AND gate circuit in the gyroscope circuit E and the central processing unit circuit C is omitted, and the structure is simplified; this embodiment carries out state monitoring through the change of the resistance value of judging two induction points, in use a and the position that two induction points are close to the nostril, in case drowned or long-time diving state appears, two induction points soak simultaneously under water promptly, its electric potential will change, the time that timing circuit calculated potential value maintains, set for certain time, like set for suitable time according to age, overtime judgement is for having appeared drowned situation output control signal to wireless transceiver circuit D outside sending drowned warning, the receiver receives behind the alarm signal who reminds, the head of a family rescues immediately, can avoid the emergence of drowned accident. Preferably, the number of the water level sensing points is 1 or more than 2, when the number of the water level sensing points is 1, the water level detection point can be arranged at the center of the nose wing, and the water level detection circuit B detects whether the water level sensing points enter water or not and triggers a control signal through a timing circuit; when the water level induction point is more than 2, a plurality of circumferential positions at the orbit can be arranged to the water level induction point, be convenient for judge whether the orbit submerges completely, can judge drowned degree through central processing unit circuit C's judgement.
Other structures refer to the first embodiment. Example three:
the drowning prevention reminding glasses of the embodiment are different from the first embodiment in that:
the lower part of the glasses frame body of the drowning prevention reminding glasses is detachably connected with a water level induction point adjusting rubber pad 3, the water level induction point adjusting rubber pad 3 comprises a rubber pad and conductive strips penetrating through two ends of the rubber pad, one end of the rubber pad is attached to the lower part of the glasses frame body so that the conductive strips are in contact with the water level induction points, and the water level induction points extend to the other end of the rubber pad along the conductive strips; still have the water quality monitoring circuit who is connected with central processing unit circuit in the spectacle-frame body, water quality monitoring circuit includes data interface, water quality monitoring chip, and data interface salient is outside in the spectacle-frame body, and data interface can be dismantled to peg graft and have water quality monitoring pipe 4, and water quality monitoring pipe supplies water to flow in and flow out, has laid a plurality of sensors in water quality monitoring pipe 4, and a plurality of sensors pass through data interface connection to water quality monitoring chip in order to carry out water quality monitoring. As shown in fig. 8.
The utility model discloses a glasses frame, glasses frame lower part has the concave groove, the rubber pad has the grafting arch with concave groove looks adaptation, the rubber pad is pegged graft in glasses frame lower part, the busbar laminating of its one end is on the water level induction point of glasses frame lower part, thereby extend to the rubber pad other end along the busbar with the water level induction point, cooperate the different nose type or the face type of rubber pad adaptation of unidimensional, make the water level induction point flush with nostril department, respond to the income water when the nostril is gone into the water promptly, can also promote the suitability of equipment when promoting water level induction precision, the travelling comfort. The water quality monitoring tube 4 is hollow, the material can be plastic, rubber and other waterproof materials, a water quality monitoring sensor is embedded on the tube wall, the circuit is arranged in the tube wall and collected at one side of the tube wall to be connected out through a waterproof plug, a waterproof data interface matched with the waterproof plug is arranged on the side surface or the top surface of the glasses frame body and connected to a corresponding water quality monitoring chip through the waterproof data interface, the water quality monitoring chip integrates a plurality of monitoring chips with functions to monitor turbidity, TDS, temperature, conductivity and absorbance of water, wherein, the turbidity is monitored by an STM32F030 singlechip based on the optical principle by using a light emitting diode and a phototriode as the receiving function of the sensor to specific wavelength to measure the opacity of water or the concentration of other substances, and the light emitted by the light emitting diode light source is reflected by sewage by using the phototriode and the light emitting diode, part of light is transmitted to the phototriode, and the turbidity of the water is calculated according to the received light quantity; the TDS is realized by an STM32F030 single chip microcomputer, the conductivity of the aqueous solution is directly proportional to the TDS, the TDS value is ultrahigh, the higher the TDS value is, the larger the conductivity is, and the relationship between the conductivity and the dissolved solid content concentration is approximately expressed as 1.4 US/CM-1 PPM or 2 US/CM-1 PPM, wherein 1PPM is equal to 1MG/I and is a TDS unit; the temperature is realized by an MF57 chip; the conductivity is realized by an AD5933 chip; the absorbance is realized by the PDMS chip, through the monitoring to quality of water, handles by central processing unit circuit and sends the receiving terminal for guardian's hand by wireless transceiver circuit, can let the receiver know the swimming environment that the glasses user is located, for example the user is children, when public swimming pool swims, can acquire swimming pool water quality situation, how the temperature is, how the antiseptic solution concentration is how to judge and be fit for children's swimming, strengthens swimming glasses's functionality.
Other structures refer to the first embodiment.
Example four
The embodiment provides a reminding method of drowning prevention swimming reminding glasses, and the swimming glasses comprise the following steps based on the swimming glasses in the first embodiment to the third embodiment:
s1, detecting whether the nasal cavity of a user is submerged in water in real time by using swimming goggles, and if yes, executing a step S2;
s2, detecting whether the motion state of the user is in a drowning state in real time by the swimming goggles, and if so, executing a step S3;
s3, starting a timing circuit of the swimming goggles;
s4, the swimming goggles judge whether the time recorded by the timing circuit exceeds a preset threshold value, if not, the step S3 is continuously executed; if yes, acquiring drowning information, and executing step S5;
and S5, the swimming goggles send the drowning information to the mobile terminal.
The specific implementation mode is as follows:
detecting whether the water level sensing points are submerged in water or not through the water level detection circuit B, and if the water level sensing points are submerged in water, inputting submerged information into the central processing unit circuit C; detecting the motion state of wearing the swimming goggles through the gyroscope circuit E and inputting the motion state to the central processor circuit C;
setting the timing time of a timing circuit of the central processing unit circuit C, and if the information input time of the user immersed in the water is overtime, sending overtime information of the user immersed in the water to the central processing unit circuit C; if the motion state always moves up and down in situ without direct or displacement motion and is overtime, the motion state overtime information is sent to the central processing unit circuit C;
the central processing unit circuit C carries out logic judgment on overtime information and motion state overtime information of the user immersed in water through the AND gate circuit, if the overtime information and the motion state overtime information of the user immersed in water are received at the same time, the user is judged to be in a drowning state, and a control signal is output to the wireless transceiver circuit D to send a drowning prompt outwards.
When the lower nose wing of the glasses frame body 1 is below or above the water level, different resistance values are connected between two water level sensing points a and B, a water level detection circuit B amplifies signals of detected data through an amplifying circuit and transmits the signals to a signal processing chip for data processing, state monitoring is carried out by judging the change of the resistance values of the two sensing points, once drowning or long-time diving state occurs, namely two digital sensing points are immersed under water at the same time, the potential of the digital sensing points changes, the circuit can judge whether the head is under water or above the water surface by detecting the potential changes of the two sensing points of the water level sensing point a and the water level sensing point B, the potential difference between the two points can be used for triggering a timing circuit to carry out time timing of potential value maintenance by sending the water level state to a central processing unit circuit C, when the head is completely immersed in water, namely the two water level sensing points are immersed in water at the, at the moment, the circuit detects that the electric potentials on 2 induction points are equal, the electric signal is output to the MCU after the electric signal is amplified by the water level amplifying circuit, the clock circuit in the MCU starts to time, when a certain time value is reached, if a proper breath holding time is set according to the age, the abnormal state of drowning can be assumed, a signal is input to the AND gate circuit at the rear stage, the gyroscope circuit E is also used for detecting the change of the motion trail of the human body all the time, when the situation that the human body moves up and down all the time in situ and does not move directly or in a displacement mode is detected, and after the certain time value is reached, if the proper breath holding time is set according to the age, the abnormal state of drowning can be assumed, a signal is also input to the AND gate circuit at the rear stage, based on the two states which occur simultaneously, the conduction condition of the trigger AND gate circuit is reached, the central processing unit MCU carries out, the voice distress signal circuit for transmitting the Bluetooth is started by triggering preset voice information through the output control signal instruction, and an adult and a guardian at a distance can receive an alarm signal sent by the swimming goggles through a mobile phone or other equipment capable of being connected with the Bluetooth in real time, so that the child is prompted to possibly have abnormal swimming states, such as drowning conditions, and needs to be rescued as soon as possible, thereby saving in time and avoiding personal injury.
Preferably, the distance detection of the receiver is added into the wireless transceiver circuit D and is connected with the timing circuit of the central processing unit circuit C, and the alarm can be sent out after the receiver exceeds a certain distance in the drowning-proof swimming goggles, so that the user can be reminded of leaving the monitoring area, and the situation that the user cannot receive the reminding information after the distance is too far is avoided.
It should be noted that the drowning state includes a state of being motionless in situ or moving up and down repeatedly in situ, and the drowning state may be set by the mobile terminal communicating with the drowning prevention reminding glasses, which is not limited in this embodiment and may be limited according to actual situations.
The state of submerging shows that the water level induction electricity submerges in water, and then obtains the time that the nasal cavity of the user submerges in water, obtains the user time of submerging in water according to the timing circuit.
The swimming goggles capable of preventing drowning of the embodiment can accurately judge the drowning condition of a user and effectively ask for help through wireless Bluetooth, and drowning of the user with immature swimming technology and poor self-rescue capability is avoided. EXAMPLE five
The embodiment provides a reminding method of drowning prevention swimming reminding glasses, which is different from the fourth embodiment in that:
in this embodiment, the and circuits in the gyroscope circuit E and the central processing unit circuit C are omitted, and the structure is simplified, as shown in fig. 9, specifically including:
s1, detecting whether the nasal cavity of a user is submerged in water in real time by using swimming goggles, and if yes, executing a step S2;
s2, starting a timing circuit of the swimming goggles;
s3, the swimming goggles judge whether the time recorded by the timing circuit exceeds a preset threshold value, if not, the step S2 is continuously executed; if yes, acquiring drowning information, and executing step S4;
and S4, the swimming goggles send the drowning information to the mobile terminal.
The specific implementation mode is as follows:
detecting whether the water level sensing points are submerged in water or not through the water level detection circuit B, and if the water level sensing points are submerged in water, inputting submerged information into the central processing unit circuit C;
setting the timing time of a timing circuit of the central processing unit circuit C, and if the information input time of the submerged water is overtime, sending water level state overtime information to the central processing unit circuit C;
the central processing unit circuit C judges that the drowning state is achieved according to the overtime information of the output user submerging, and outputs a control signal to the wireless receiving and transmitting circuit D to send out a drowning prompt.
This embodiment carries out state monitoring through the change of the resistance value of judging two induction points, in use a and the position that two induction points are close to the nostril, in case drowned or long-time diving state appears, two induction points soak simultaneously under water promptly, its electric potential will change, the time that timing circuit calculated potential value maintains, set for certain time, like set for suitable time according to age, overtime judgement is for having appeared drowned situation output control signal to wireless transceiver circuit D outside sending drowned warning, the receiver receives behind the alarm signal who reminds, the head of a family rescues immediately, can avoid the emergence of drowned accident. Preferably, the number of the water level sensing points is 1 or more than 2, when the number of the water level sensing points is 1, the water level detection point can be arranged at the center of the nose wing, and the water level detection circuit B detects whether the water level sensing points enter water or not and triggers a control signal through a timing circuit; when the water level induction point is more than 2, a plurality of circumferential positions at the orbit can be arranged to the water level induction point, be convenient for judge whether the orbit submerges completely, can judge drowned degree through central processing unit circuit C's judgement.
Other structures refer to example four.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing has outlined rather broadly the preferred embodiments and principles of the present invention and it will be appreciated that those skilled in the art may devise variations of the present invention that are within the spirit and scope of the appended claims.
Claims (10)
1. A reminding method of drowning prevention swimming reminding glasses is characterized by comprising the following steps:
s1, detecting whether the nasal cavity of a user is submerged in water in real time by using swimming goggles, and if yes, executing a step S2;
s2, starting a timing circuit of the swimming goggles;
s3, the swimming goggles judge whether the time recorded by the timing circuit exceeds a preset threshold value, if not, the step S2 is continuously executed; if yes, acquiring drowning information, and executing step S4;
and S4, the swimming goggles send the drowning information to the mobile terminal.
2. The method as claimed in claim 1, wherein the step S2 is preceded by the steps of:
the swimming goggles detect whether the motion state of the user is in a drowning state in real time.
3. The reminding method of swimming goggles as claimed in claim 2, wherein the swimming goggles comprise a goggle frame and a wearing piece, two water level sensing points are arranged at the lower nose wing of the goggle frame, and a power supply, a water level detection circuit, a central processing unit circuit and a wireless transceiver circuit are arranged in the goggle frame and are electrically connected with the power supply; the water level detection circuit is electrically connected with the water level sensing point and the central processing unit circuit; the timing circuit is arranged in the central processing unit.
4. The reminding method of swimming reminding glasses for preventing drowning as claimed in claim 3, wherein said step S1 is specifically: detecting the water level sensing point through the water level detection circuit to judge whether the nasal cavity of the user is submerged, if so, inputting the detected information submerged into the central processing unit circuit, and executing the step S2;
the step S4 specifically includes: and transmitting the drowning information to the mobile terminal through a wireless transceiver circuit.
5. The reminding method of swimming goggles as claimed in claim 4, wherein a gyroscope circuit is provided in the frame of the swimming goggles for detecting the movement status of the user, and the gyroscope circuit is electrically connected to the CPU;
whether the motion state of the real-time detection user is in a drowning state specifically comprises the following steps: the motion state of the user is detected by the gyroscope circuit and input to the central processing unit circuit.
6. The reminding method of swimming reminding glasses for drowning prevention according to claim 5, wherein the CPU circuit is further provided with an AND gate, the information and motion state submerged in water respectively trigger a timing circuit, a control signal is output through the AND gate, and the control signal is transmitted to the mobile terminal through a wireless transceiver circuit.
7. The method as claimed in claim 5, wherein the gyroscope circuit comprises a MEMS gyroscope chip.
8. A method as claimed in claim 3, wherein the water level detecting circuit comprises a water level sensor and a signal discharger, and the central processing unit circuit comprises an STM32F030 series IC main control chip; the wireless transceiver circuit comprises an NRF51822 wireless SOC chip.
9. The reminding method of swimming reminding glasses for drowning prevention as claimed in claim 3, wherein said power source comprises lithium battery, wireless charging circuit.
10. The drowning-preventing swimming reminding glasses are characterized in that the drowning-preventing swimming reminding glasses are based on the drowning-preventing swimming reminding glasses reminding method according to any one of claims 1 to 9, and comprise a glasses frame body and a wearing piece, wherein two water level sensing points are arranged at the nose wing part of the lower part of the glasses frame body, and a power supply, a water level detection circuit, a central processing unit circuit, a wireless transceiver circuit and a gyroscope circuit are arranged in the glasses frame body, and are electrically connected with the power supply; the water level detection circuit is electrically connected with the water level sensing point and the central processing unit circuit; the gyroscope circuit is connected with the central processing unit circuit; and a timing circuit and an AND gate circuit are arranged in the central processing unit.
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