CN109191780A - A kind of drowning alarm system and method based on displacement signal and dB signal - Google Patents
A kind of drowning alarm system and method based on displacement signal and dB signal Download PDFInfo
- Publication number
- CN109191780A CN109191780A CN201811136942.7A CN201811136942A CN109191780A CN 109191780 A CN109191780 A CN 109191780A CN 201811136942 A CN201811136942 A CN 201811136942A CN 109191780 A CN109191780 A CN 109191780A
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- Prior art keywords
- signal
- displacement
- alarm
- sensor
- main control
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Classifications
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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
- G08B21/082—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 electrical characteristics of the water
-
- 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
- G08B21/084—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 physical movement characteristics of the water
-
- 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
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a kind of based on the drowning alarming method being displaced with dB signal, and the drawstring outermost end of displacement sensor fixes the marker that can float on the water, and when marker floats up and down, sensor drawstring will be moved back and forth.After weight is overboard, the displacement signal measured and dB signal are passed to main control singlechip respectively by displacement sensor and voice operated sensor, main control singlechip judges whether displacement signal and dB signal reach threshold value, if displacement signal and dB signal reach preset threshold value, alarm signal is then passed to using Radio Transmission Technology the computer terminal of monitoring room, the monitoring for recalling this area manually by the staff of monitoring room, judge whether for people it is overboard.It receives a crime report after personnel determine drowning man using monitored picture and starts waterside warning device immediately, and rescue personnel is sent to reach scene.The present invention uses sensor chain control, and rate of false alarm is low, and it is convenient to operate with.
Description
Technical field
The present invention relates to alarming drowning technical field, more particularly to a kind of drowned based on displacement 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, personnel is needed to wear relevant anti-drowned equipment in advance mostly, and lakeside/river
Side is drowned to belong to sudden contingency, therefore Worn type alarming drowning equipment does not have exploitativeness, while such equipment
River bank monitor image cannot be monitored in real time, convenient for the secondary-confirmation of police, reduce rate of false alarm.In drowning alarm device
The alarm that police's remote-controllable is added is also that current technology is unexistent.
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 displacement 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 displacement signal and dB signal
Drowning alarm system, it is characterised in that: including displacement sensor, voice operated sensor, main control singlechip, monitoring camera, alarm
The computer terminal and alarm button of device and alarm center；Institute's displacement sensors are equipped with drawstring and buoy, and the buoy is set
It Yu Shuizhong and is connect with displacement sensor by drawstring, the fluctuation situation Real-time Feedback of the water surface can be given to institute's displacement sensors,
When the buoy floats up and down due to by people's overboard influenced, the drawstring of institute's displacement sensors will do reciprocal shifting therewith
It is dynamic.On the voice operated sensor is bubbled through the water column, for measuring the decibel value into water；Institute's displacement sensors harmony control sensor with
The main control singlechip connection, the main control singlechip are used to receive the displacement signal of displacement sensor and point of voice operated sensor
Shellfish signal；The output end of the main control singlechip and the computer terminal of alarm center pass through the wireless communication of home communications operator
Module connection, is sent to alarm center computer terminal for alarm signal；Monitoring camera and alarm are arranged on river/loke shore side,
Monitoring camera is used to show the monitoring image in alarm area；The alarm and the alarm button are wirelessly connected, for connecing
Receive the alarm signal and sound an alarm that alarm button issues.
It further, further include electronic ruler signal conversion module in order to realize the conversion and communication of signal, the electronic ruler letter
Number conversion module is connected between displacement sensor and main control singlechip, the analog signal conversion for exporting displacement sensor
The digital signal that can be identified for main control singlechip.Electronic ruler signal conversion module can use RS485 serial communication module.
A kind of drowning alarming method based on displacement signal and dB signal is also wrapped including above-mentioned drowning alarm system
Include following steps:
S1: displacement sensor measures the displacement that the water surface fluctuates up and down by buoy and drawstring, and the data measured are sent out
Main control singlechip is given, buoy is set as floating on water surface, and is fixedly linked with the drawstring of displacement sensor above the water surface, when
When buoy floats up and down due to by people's overboard influenced, sensor drawstring will reciprocatingly move therewith, can be by the wave of the water surface
Dynamic situation Real-time Feedback gives institute's displacement sensors；Meanwhile voice operated sensor acquires water surface decibel value in real time and is sent to master control
Single-chip microcontroller；
S2: the displacement received is compared by main control singlechip with displacement threshold value, while the water surface received being divided
Shellfish value is compared with decibel threshold.Displacement threshold value is met or exceeded when being displaced magnitude, while water surface decibel value is met or exceeded
When decibel threshold, main control singlechip issues alarm signal；
S3: the wireless communication module that alarm signal passes through home communications operator emits wireless signal to the electricity of alarm center
Brain terminal, the corresponding alarm region for showing doubtful overboard signal in computer terminal, the personnel that receive a crime report open the monitoring of alarm region manually
Camera shows the monitoring image of the alarm region, 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 determined as man overboard's accident, then the alarm button of alarm center is pressed, wireless communication is passed through
Number be sent to alarm, sound an alarm the alarm of region, prompt nearby personnel rescue in time, while responding is increased
It helps；If it is determined that non-man overboard's accident, then carry out the alert processing that disappears.
Further, the main control singlechip preset displacement threshold value, the displacement threshold value formula are as follows:
Wherein, y is displacement threshold value, cm；X is drowning man's weight, kg；Displacement threshold value formula is by Origin to test
Data carry out obtained by nonlinear fitting.
Further, in order to improve the performances of turning one's coat of all parts, institute's displacement sensors, main control singlechip, electronic ruler letter
Number conversion module and voice operated sensor all have water-proof function.
Further, institute's displacement sensors, main control singlechip, electronic ruler signal conversion module, voice operated sensor and alarm
Device measures its safety index through test and reaches 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, effectively plays linkage effect, improves
Alarm accuracy；
2, preset threshold value can be with sets itself in single-chip microcontroller, and every waters can be practical with adaptation to local conditions；
3, equipment reaction speed is fast, can alarm at initial stage in man overboard and start rescue；
4, artificial secondary-confirmation is carried out by the monitored picture image that monitoring room personnel open, rate of false alarm is low；
5, outdoor to use sensor chain control, it is not necessarily to human attendance, it is convenient to operate with；
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 is applied widely, 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 displacement and weight relation schematic diagram.
Fig. 3 is the flow diagram of drowning alarming method of the present invention.
In figure: 1- displacement sensor；2- drawstring；3- buoy；4- electronic ruler signal conversion module；5- main control singlechip；6-
Voice operated sensor；The computer terminal 7-；8- alarm button；9- alarm；10- camera；11- wireless communication module；During 12- receives a crime report
The heart.
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 and method based on displacement signal and dB signal of the invention, including
Displacement sensor 1, voice operated sensor 6, main control singlechip 5, the monitoring camera 10, alarm of 2000~4000mm stroke range
9 and alarm center 12 computer terminal 7 and alarm button 8；Institute's displacement sensors 1 are equipped with drawstring 2 and buoy 3, described
Buoy 3 is placed in water and is connect by drawstring 2 with displacement sensor 1, can give the fluctuation situation Real-time Feedback of the water surface to institute's rheme
Displacement sensor 1, when the buoy 3 floats up and down due to by people's overboard influenced, the drawstring 2 of institute's displacement sensors 1 will
It can reciprocatingly move therewith.On the voice operated sensor 6 is bubbled through the water column, for measuring the decibel value into water；The displacement sensing
Device 1 and voice operated sensor 6 are connect with the main control singlechip 5, and the main control singlechip 5 is used to receive the position of displacement sensor 1
The dB signal of shifting signal and voice operated sensor 6；The output end of the main control singlechip 5 and the computer terminal 7 of alarm center 12
It is connected by the wireless communication module 11 of home communications operator, alarm signal is sent to 12 computer terminal 7 of alarm center；Prison
Camera 10 and the setting of alarm 9 are controlled on river/loke shore side, monitoring camera 10 is used to show the monitoring image in alarm area；Institute
It states alarm 9 and the alarm button 8 is wirelessly connected, for receiving the alarm signal of the sending of alarm button 8 and sounding an alarm.
It further include electronic ruler signal conversion module 4 to realize the conversion and communication of signal, the electronic ruler signal conversion
Module 4 is connected between displacement sensor 1 and main control singlechip 5, and the analog signal for exporting displacement sensor 1 is converted into
The digital signal that main control singlechip 5 can identify.
As shown in figure 3, a kind of drowning alarming method based on displacement signal and dB signal, including above-mentioned alarming drowning
System, further comprising the steps of:
S1: displacement sensor 1 measures the displacement that the water surface fluctuates up and down, and the data that will be measured by buoy 3 and drawstring 2
It is sent to main control singlechip 5, buoy 3 is set as floating on water surface, and fixed with the drawstring 2 of displacement sensor 1 above the water surface
It is connected, when buoy 3 floats up and down due to by people's overboard influenced, sensor drawstring 2 will reciprocatingly move therewith, can incite somebody to action
The fluctuation situation Real-time Feedback of the water surface is to institute's displacement sensors 1；Meanwhile voice operated sensor 6 acquires water surface decibel value simultaneously in real time
It is sent to main control singlechip 5；
S2: the displacement received is compared by main control singlechip 5 with displacement threshold value, while the water surface received being divided
Shellfish value is compared with decibel threshold.Displacement threshold value is met or exceeded when being displaced magnitude, while water surface decibel value is met or exceeded
When decibel threshold, main control singlechip 5 issues alarm signal；
S3: alarm signal emits wireless signal to alarm center 12 by the wireless communication module 11 of home communications operator
Computer terminal 7, the corresponding alarm region for showing doubtful overboard signal in computer terminal 7, the personnel that receive a crime report open alarm region manually
Monitoring camera 10, show the monitoring image of the alarm region, judge whether that someone falls by the personnel of receiving a crime report by monitoring image
Water；
S4: after the personnel of receiving a crime report are determined as man overboard's accident, then the alarm button 8 of alarm center 12 is pressed, nothing is passed through
Line signal is sent to alarm 9, sounds an alarm the alarm 9 of region, and nearby personnel rescue in time for prompt, while responding
It is reinforced；If it is determined that non-man overboard's accident, then carry out the alert processing that disappears.
As shown in Fig. 2, the 5 preset displacement threshold value of main control singlechip, the displacement threshold value formula are as follows:
Preset threshold value can be with sets itself in single-chip microcontroller, and every waters can be practical with adaptation to local conditions；
Wherein, y is displacement threshold value, cm；X is drowning man's weight, kg；Displacement threshold value formula is by Origin to test
Data carry out obtained by nonlinear fitting, and Fig. 2 is shown in matched curve.
In order to improve the performance of turning one's coat of all parts, institute's displacement sensors 1, main control singlechip 5, the conversion of electronic ruler signal
Module 4 and voice operated sensor 6 all have water-proof function.
Institute's displacement sensors 1, main control singlechip 5, electronic ruler signal conversion module 4, voice operated sensor 6 and alarm 9
Its safety index, which is measured, through test reaches NFP90-307 standard and the fixed safety index of ASTMF-2208 standard.
Working principle:
(1) it monitors and matches
2 outermost end of drawstring of displacement sensor 1 fixes the marker that can float on the water, when marker floats up and down,
Sensor drawstring 2 will reciprocatingly move therewith.The physical signal measured is converted to electric signal by displacement sensor 1, then by mould
Number converter converts electrical signals to digital signal and incoming single-chip microcontroller；Voice operated sensor 6 is recycled to measure the amount in decibels into water,
The physical signal measured is converted to electric signal by voice operated sensor 6, then converts electrical signals to digital signal by analog-digital converter
And incoming single-chip microcontroller.The digital signal and believed by the number that voice operated sensor 6 is passed to that single-chip microcontroller identification is passed to by displacement sensor 1
Number preset threshold value whether is respectively reached, if so, the computer terminal 7 of the output end of main control singlechip 5 and alarm center 12 is logical
The wireless communication module 11 for crossing home communications operator connects, and alarm signal is sent to the computer terminal 7 of alarm center 12.
(2) judgement and rescue
The personnel of receiving a crime report receive the monitoring camera 10 opened after signal where alarm 9, judge this it is overboard whether be personnel
Overboard accident, however, it is determined that be man overboard, then button press makes to sound an alarm in lakeside/river bank warning device, so as near
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 (6)
1. a kind of drowning alarm system based on displacement signal and dB signal, it is characterised in that: including displacement sensor (1),
The computer end of voice operated sensor (6), main control singlechip (5), monitoring camera (10), alarm (9) and alarm center (12)
Hold (7) and alarm button (8)；Institute's displacement sensors (1) are equipped with drawstring (2) and buoy (3), and the buoy (3) is placed in water
In and connect with displacement sensor (1) by drawstring (2), the fluctuation situation Real-time Feedback of the water surface can be given to institute's displacement sensors
(1), when the buoy (3) floats up and down due to by people's overboard influenced, the drawstring (2) of institute's displacement sensors (1) will
It can reciprocatingly move therewith.On the voice operated sensor (6) is bubbled through the water column, for measuring the decibel value into water；The displacement passes
Sensor (1) and voice operated sensor (6) are connect with the main control singlechip (5), and the main control singlechip (5) passes for receiving displacement
The displacement signal of sensor (1) and the dB signal of voice operated sensor (6)；It the output end of the main control singlechip (5) and receives a crime report
The computer terminal (7) of the heart (12) is connected by the wireless communication module (11) of home communications operator, and alarm signal is sent to
Alarm center (12) computer terminal (7)；Monitoring camera (10) and alarm (9) are arranged in river/loke shore side, monitoring camera
(10) for showing the monitoring image in alarm area；The alarm (9) and the alarm button (8) are wirelessly connected, for connecing
Receive the alarm signal and sound an alarm that alarm button (8) issue.
2. the drowning alarm system based on displacement signal and dB signal as described in claim 1, it is characterised in that: further include
Electronic ruler signal conversion module (4), the electronic ruler signal conversion module (4) are connected to displacement sensor (1) and master control monolithic
Between machine (5), for converting the number that main control singlechip (5) can identify for the analog signal that displacement sensor (1) exports
Signal.
3. a kind of drowning alarming method based on displacement signal and dB signal, it is characterised in that: including as claimed in claim 2
Drowning alarm system, further comprising the steps of:
S1: displacement sensor (1) measures the displacement that the water surface fluctuates up and down, and the number that will be measured by buoy (3) and drawstring (2)
According to being sent to main control singlechip (5), buoy (3) is set as floating on water surface, and the drawing with displacement sensor (1) above the water surface
Rope (2) is fixedly linked, and when buoy (3) floats up and down due to by people's overboard influenced, sensor drawstring (2) will be done therewith
It moves back and forth, it can be by the fluctuation situation Real-time Feedback of the water surface to institute's displacement sensors (1)；Meanwhile voice operated sensor (6) is real-time
Acquisition water surface decibel value is simultaneously sent to main control singlechip (5)；
S2: the displacement received is compared by main control singlechip (5) with displacement threshold value, while the water surface decibel that will be received
Value is compared with decibel threshold.When displacement magnitude meets or exceeds displacement threshold value, while water surface decibel value is met or exceeded point
When shellfish threshold value, main control singlechip (5) issues alarm signal；
S3: alarm signal emits wireless signal to alarm center (12) by the wireless communication module (11) of home communications operator
Computer terminal (7), computer terminal (7) corresponding alarm region for showing doubtful overboard signal, the personnel that receive a crime report open alarm manually
The monitoring camera (10) in region, shows the monitoring image of the alarm region, is judged whether by monitoring image by the personnel of receiving a crime report
Man overboard；
S4: after the personnel of receiving a crime report are determined as man overboard's accident, then the alarm button (8) of alarm center (12) is pressed, nothing is passed through
Line signal is sent to alarm (9), sounds an alarm the alarm of region, and nearby personnel rescue in time for prompt, goes out simultaneously
Police is reinforced；If it is determined that non-man overboard's accident, then carry out the alert processing that disappears.
4. the drowning alarming method based on displacement signal and dB signal as claimed in claim 3, it is characterised in that: the master
Control single-chip microcontroller (5) preset displacement threshold value, the displacement threshold value formula are as follows:
Wherein, y is displacement threshold value, cm；X is drowning man's weight, kg；Displacement threshold value formula is by Origin to test data
It carries out obtained by nonlinear fitting.
5. the drowning alarming method based on displacement signal and dB signal as claimed in claim 3, it is characterised in that: institute's rheme
Displacement sensor (1), main control singlechip (5), electronic ruler signal conversion module (4) and voice operated sensor (6) all have water-proof function.
6. the drowning alarming method based on displacement signal and dB signal as claimed in claim 3, it is characterised in that: institute's rheme
Displacement sensor (1), main control singlechip (5), electronic ruler signal conversion module (4), voice operated sensor (6) and alarm (9) are through trying
Test determines its safety index and reaches NFP90-307 standard and the fixed safety index of ASTMF-2208 standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811136942.7A CN109191780A (en) | 2018-09-28 | 2018-09-28 | A kind of drowning alarm system and method based on displacement signal and dB signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811136942.7A CN109191780A (en) | 2018-09-28 | 2018-09-28 | A kind of drowning alarm system and method based on displacement signal and dB signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109191780A true CN109191780A (en) | 2019-01-11 |
Family
ID=64907582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811136942.7A Pending CN109191780A (en) | 2018-09-28 | 2018-09-28 | A kind of drowning alarm system and method based on displacement signal and dB signal |
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| CN (1) | CN109191780A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110807900A (en) * | 2019-08-05 | 2020-02-18 | 深圳市中宝易电科技有限公司 | Floating device, safety system and detection method |
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|---|---|---|---|---|
| US3778803A (en) * | 1971-09-27 | 1973-12-11 | D Jahn | Swimming pool guard alarm unit |
| US3757318A (en) * | 1971-10-22 | 1973-09-04 | Brisson Dev Inc | Swimming pool safety device |
| CN1909000A (en) * | 2006-08-23 | 2007-02-07 | 郭佳萍 | Pool alarm |
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| CN110807900A (en) * | 2019-08-05 | 2020-02-18 | 深圳市中宝易电科技有限公司 | Floating device, safety system and detection method |
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Application publication date: 20190111 |