CN109118717A - A kind of drowning alarm system and method based on angle signal and dB signal - Google Patents
A kind of drowning alarm system and method based on angle signal and dB signal Download PDFInfo
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- CN109118717A CN109118717A CN201811136865.5A CN201811136865A CN109118717A CN 109118717 A CN109118717 A CN 109118717A CN 201811136865 A CN201811136865 A CN 201811136865A CN 109118717 A CN109118717 A CN 109118717A
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- alarm
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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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- Emergency Management (AREA)
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- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
Abstract
The present invention provides a kind of drowning alarm system and method based on angle signal and dB signal, sensor perturbations angle when being risen and fallen using angle inductor monitoring ripples, voice operated sensor measurement is recycled to enter the amount in decibels of water, when the ripples monitored rise and fall, sensor perturbations angle reaches predetermined angle range while people enters the decibel value that water generates and also reaches preset value, then master control monolithic issues alarming wireless signal by the WiFi module that device carries and is passed in the computer of alarm center.The personnel of receiving a crime report receive the monitoring camera opened after signal where alarm, judge this it is overboard whether be man overboard's accident, if it is determined that being man overboard, then button press, external alert device is controlled by wireless signal, make to sound an alarm in lakeside/river bank alarm, so that neighbouring non-police or police rush at once, while rescue personnel being sent to reinforce.Reduce rate of false alarm and responding waste.
Description
Technical field
The present invention relates to alarming drowning technical field, more particularly to a kind of drowned based on angle signal and dB signal
Alarm system and method are mainly used in the alarming drowning of river bank, lakeside.
Background technique
Current anti-drowned equipment is applied to the professional Swimming pool such as swimming pool mostly, drowned for city lakeside/river bank
Deliverance apparatus also study it is very few.In current social environment, the drowned second largest cause of the death for having become young man in city is only secondary
In traffic accident.In whole world sudden death event, drowning is the third-largest preventible accident.Therefore, it in today's society, grinds
Studying carefully lakeside/river bank drowning alarming method just seems particularly necessary.
In current alarming drowning equipment, due to seldom can be applied to city lakeside/river bank alarming drowning, and indoor swimming
The drowning alarm device in pond is mostly Worn type, but is not intended to overboard be emergency situations in lakeside, can not wear corresponding drown substantially
Water warning device is so outdoor can not be applied to.River bank monitor image can not be monitored in real time simultaneously, convenient for police's
Secondary-confirmation reduces rate of false alarm.It is also current technology that the alarm of police's remote-controllable is added in drowning alarm device
It is unexistent.This way is convenient for the secondary-confirmation of police, reduces false alarm rate.
Summary of the invention
The technical problems to be solved by the present invention are: in order to overcome the shortcomings in the prior art, the present invention provides a kind of base
In the drowning alarm system and method for angle signal and dB signal, this method can effectively prevent the drowned thing in city lakeside/river bank
Therefore generation, reduce because drown lethality.It is also convenient for promoting simultaneously, it is drowned that current city lakeside/river bank can be efficiently solved
The generation of lethal accident.
The present invention solves its technical problem technical solution to be taken: a kind of based on angle signal and dB signal
Drowning alarm system, including angular transducer, voice operated sensor, main control singlechip, WiFi module, monitoring camera, alarm
And computer terminal and the alarm button of alarm center;Above the angular transducer is kept afloat, rise and fall for monitoring ripples
When sensor tilt angle;Above the voice operated sensor is kept afloat, for measuring the decibel value into water;The angle passes
The output end of the connection of the input terminal of sensor and voice operated sensor and main control singlechip, the main control singlechip connects WiFi module,
The result of angular transducer and acoustic control sensor measurement is sent to alarm center computer terminal by WiFi module;Monitoring camera
On river/loke shore side, monitoring camera is used to show the monitoring image in alarm area for head and alarm setting;The alarm and institute
Alarm button wireless connection is stated, for receiving the alarm signal of alarm button sending and sounding an alarm.
A kind of drowning alarming method based on angle signal and dB signal is also wrapped including above-mentioned drowning alarm system
Include following steps:
S1: angular transducer acquires the tilt angle of sensor when ripples rise and fall in real time, and is sent to main control singlechip;Together
When, voice operated sensor acquires water surface decibel value in real time and is sent to main control singlechip;
S2: main control singlechip by the tilt angle received compared with angle threshold, by the decibel value received and decibel
Threshold value comparison, when the decibel value that the tilt angle of angular transducer meets or exceeds angle threshold and voice operated sensor reaches or surpasses
When crossing decibel threshold, main control singlechip issues doubtful overboard signal;
S3: doubtful overboard signal emits wireless signal to the computer terminal of alarm center, computer terminal by WiFi module
The corresponding alarm region for showing doubtful overboard signal, the personnel that receive a crime report open the monitoring camera of alarm region manually, show the report
The monitoring image in police region domain judges whether that someone is overboard by the personnel of receiving a crime report by monitoring image;
S4: after the personnel of receiving a crime report are confirmed as man overboard's accident, the alarm button of alarm center is pressed, computer terminal is passed through
Wireless module be sent to the alarm that can receive wireless signal, alarm sounds an alarm, prompt surrounding people can rescue in time
It helps;If it is determined that non-man overboard's accident, then carry out the alert processing that disappears.
The angular transducer, voice operated sensor, single-chip microcontroller and WiFi module all have water-proof function.
The angular transducer, voice operated sensor, single-chip microcontroller, WiFi module and alarm measure its safety index through test
Reach NFP90-307 standard and the fixed safety index of ASTMF-2208 standard.
Compared with the prior art, the present invention has the following advantages:
1, waters is monitored simultaneously by displacement sensor and acoustic control inductor;
2, equipment reaction speed is fast, can alarm at initial stage in man overboard and start rescue;
3, artificial secondary-confirmation is carried out by the monitored picture image that monitoring room personnel open, rate of false alarm is low;
4, using sensor chain control, have and operate with convenient and fast advantage;
5, preset frequency can be with sets itself in displacement sensor and voice operated sensor, and every waters can be because of ground system
Preferably, practical;
6, the alarm after drowned accident occurs for confirmation near energy Remote Open accident waters, is convenient for neighbouring police
Go to rescue;
7, this anti-drowning alarming method suitable environment is wide, is applicable in the environment such as city river bank, lakeside.In conclusion
The present invention is ingenious in design, and high degree of automation, the reaction time is short, easily operated, is suitble to apply to the drowned report in city lakeside/river bank
It is alert.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the schematic diagram of drowning alarm system of the present invention.
Fig. 2 is the flow diagram of drowning alarming method of the present invention.
In figure: 1, angular transducer;2, main control singlechip;3, voice operated sensor;4, computer terminal;5, alarm button;6,
Alarm;7, monitoring device;8, it is wirelessly transferred;9, it receives a crime report room.
Specific embodiment
Presently in connection with attached drawing, the present invention is described in detail.This figure is simplified schematic diagram, is only illustrated in a schematic way
Basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, a kind of drowning alarm system based on angle signal and dB signal of the invention, including angle pass
Sensor, voice operated sensor, main control singlechip, WiFi module, monitoring camera, alarm and alarm center computer terminal and
Alarm button;Above the angular transducer is kept afloat, for monitoring the tilt angle of sensor when ripples rise and fall;The sound
Above control sensor is kept afloat, for measuring the decibel value into water;The angular transducer and voice operated sensor and master control list
The input terminal of piece machine connects, and the output end of the main control singlechip connects WiFi module (such as MINI KIT ESP32 template), leads to
It crosses WiFi module and the result of angular transducer and acoustic control sensor measurement is sent to alarm center computer terminal;Monitoring camera
With alarm setting on river/loke shore side, monitoring camera is used to show the monitoring image in alarm area;The alarm with it is described
Alarm button is wirelessly connected, for receiving the alarm signal of alarm button sending and sounding an alarm.MINI can be used in WiFi module
KIT ESP32 template, the WiFi signal (such as ChinaNet) in three big communication company's covering whole nation of WiFi module connection, connects simultaneously
The computer terminal at alert center also connects identical WiFi signal, makes it in an Intranet, forms a WLAN, finally
It can complete quick accessible communication;
As shown in Fig. 2, a kind of drowning alarming method based on angle signal and dB signal, including above-mentioned alarming drowning
System, further comprising the steps of:
S1: angular transducer acquires the tilt angle of sensor when ripples rise and fall in real time, and is sent to main control singlechip;Together
When, voice operated sensor acquires water surface decibel value in real time and is sent to main control singlechip;
S2: main control singlechip by the tilt angle received compared with angle threshold, by the decibel value received and decibel
Threshold value comparison, when the decibel value that the tilt angle of angular transducer meets or exceeds angle threshold and voice operated sensor reaches or surpasses
When crossing decibel threshold, main control singlechip issues doubtful overboard signal;
S3: doubtful overboard signal emits wireless signal to the computer terminal of alarm center, computer terminal by WiFi module
The corresponding alarm region for showing doubtful overboard signal, the personnel that receive a crime report open the monitoring camera of alarm region manually, show the report
The monitoring image in police region domain judges whether that someone is overboard by the personnel of receiving a crime report by monitoring image.It is carried out again by monitoring camera
Secondary confirmation can be confirmed whether really there is man overboard, reduce rate of false alarm and the responding wasting of resources.
S4: after the personnel of receiving a crime report are confirmed as man overboard's accident, the alarm button of alarm center is pressed, computer terminal is passed through
Wireless module be sent to the alarm that can receive wireless signal, alarm sounds an alarm, prompt surrounding people can rescue in time
It helps.
The angular transducer, voice operated sensor, single-chip microcontroller and WiFi module all have water-proof function.
The angular transducer, voice operated sensor, single-chip microcontroller, WiFi module and alarm measure its safety index through test
Reach NFP90-307 standard and the fixed safety index of ASTMF-2208 standard.
Working principle:
(1) it monitors and matches
Sensor perturbations angle when being risen and fallen using angle inductor monitoring ripples, recycles voice operated sensor measurement to enter water
Amount in decibels, when the ripples monitored rise and fall, sensor perturbations angle reaches predetermined angle range while people enters the decibel of water generation
Value also reaches preset value, then master control monolithic issues alarming wireless signal by the WiFi module that device carries and is passed to alarm center
In computer.
(2) judgement and rescue
The personnel of receiving a crime report receive the monitoring camera opened after signal where alarm, judge this it is overboard whether be man overboard
Accident, however, it is determined that be man overboard, then button press, controls external alert device by wireless signal, make in lakeside/river bank report
Alert device sounds an alarm, so that neighbouring non-police or police rush at once, while rescue personnel being sent to reinforce.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff
Various changes and amendments can be carried out without departing from the scope of the present invention completely.The technical scope of this invention is not
The content being confined on specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (4)
1. a kind of drowning alarm system based on angle signal and dB signal, it is characterised in that: including angular transducer, acoustic control
Sensor, main control singlechip, WiFi module, monitoring camera, alarm and alarm center computer terminal and alarm button;
Above the angular transducer is kept afloat, for monitoring the tilt angle of sensor when ripples rise and fall;The voice operated sensor
Above keeping afloat, for measuring the decibel value into water;The angular transducer and voice operated sensor and main control singlechip it is defeated
Enter end connection, the output end of the main control singlechip connects WiFi module, angular transducer and acoustic control is passed by WiFi module
The result of sensor measurement is sent to alarm center computer terminal;Monitoring camera and alarm are arranged on river/loke shore side, and monitoring is taken the photograph
As head is used to show the monitoring image in alarm area;The alarm and the alarm button are wirelessly connected, for receiving alarm
The alarm signal and sound an alarm that button issues.
2. a kind of drowning alarming method based on angle signal and dB signal, it is characterised in that: including as described in claim 1
Drowning alarm system, it is further comprising the steps of:
S1: angular transducer acquires the tilt angle of sensor when ripples rise and fall in real time, and is sent to main control singlechip;Meanwhile
Voice operated sensor acquires water surface decibel value in real time and is sent to main control singlechip;
S2: main control singlechip by the tilt angle received compared with angle threshold, by the decibel value received and decibel threshold
Compare, when the decibel value that the tilt angle of angular transducer meets or exceeds angle threshold and voice operated sensor is met or exceeded point
When shellfish threshold value, main control singlechip issues doubtful overboard signal;
S3: doubtful overboard signal emits wireless signal to the computer terminal of alarm center by WiFi module, and computer terminal is corresponding
The alarm region for showing doubtful overboard signal, the personnel that receive a crime report open the monitoring camera of alarm region manually, show the zone of alarm
The monitoring image in domain judges whether that someone is overboard by the personnel of receiving a crime report by monitoring image;
S4: after the personnel of receiving a crime report are confirmed as man overboard's accident, the alarm button of alarm center is pressed, passes through the nothing of computer terminal
Wire module is sent to the alarm that can receive wireless signal, and alarm sounds an alarm, and prompts surrounding people that can rescue in time;If
It determines non-man overboard's accident, then carries out the alert processing that disappears.
3. the drowning alarming method based on angle signal and dB signal as claimed in claim 2, it is characterised in that: the angle
Degree sensor, voice operated sensor, main control singlechip and WiFi module all have water-proof function.
4. the drowning alarming method based on angle signal and dB signal as claimed in claim 2, it is characterised in that: the angle
Degree sensor, voice operated sensor, main control singlechip, WiFi module and alarm measure its safety index through test and reach NFP90-
307 standards and the fixed safety index of ASTMF-2208 standard.
Priority Applications (1)
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CN201811136865.5A CN109118717A (en) | 2018-09-28 | 2018-09-28 | A kind of drowning alarm system and method based on angle signal and dB signal |
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CN201811136865.5A CN109118717A (en) | 2018-09-28 | 2018-09-28 | A kind of drowning alarm system and method based on angle signal and dB signal |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112396807A (en) * | 2020-10-27 | 2021-02-23 | 西北工业大学 | Method for detecting and identifying person falling into water |
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Application publication date: 20190101 |