CN205139358U - Sonar direction rescue system of fleing - Google Patents
Sonar direction rescue system of fleing Download PDFInfo
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- CN205139358U CN205139358U CN201520778543.6U CN201520778543U CN205139358U CN 205139358 U CN205139358 U CN 205139358U CN 201520778543 U CN201520778543 U CN 201520778543U CN 205139358 U CN205139358 U CN 205139358U
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Abstract
The utility model discloses a sonar direction rescue system of fleing, this system includes: ultrasonic emitting module and ultrasonic wave receiving module, wherein ultrasonic emitting module is used for launching single -frequency supersound signal and laser beam as the sound source, and ultrasonic wave receiving module is used for receiving the supersound signal that ultrasonic emitting module sent to instruct the direction and the distance at sound source place. Can realize fleing for one's life and searching the rescue fire fighter's guide in the scene of fire from this. This system flees for one's life the sonar technical application in the direction of fire fighter scene of fire, safe and reliable, and portable receives the environmental impact little, adopt can be the fast accurate safety that finds escape way, guarantee fire fighter of the fire fighter of this system.
Description
Technical field
Utility model relates to a kind of based on hyperacoustic escape and rescue system, belongs to sonar technique field.
Background technology
After current fireman enters the scene of a fire, guide rope for finding the main guiding escaping tool of outlet, because guide rope own wt is heavier, not portable, its guiding distance is no more than 50 meters, and owing to may be blown when guide rope has high temperature, the shortcoming such as to be not easily found when dense smoke visibility is low, can not the safety of Reliable guarantee fireman, therefore its application is extremely restricted.
Ultrasound wave has beam and reflection characteristic, substantially can linearly propagate, and its energy is far longer than the low-frequency sound wave of same-amplitude, and in air dielectric, ultrasound wave is hardly by the impact of light, dust, smog, electromagnetic interference (EMI) and toxic gas.But the transmitting source level due to the ultrasound transmitting transducer used in air common is in the market 112dB,-6dB angle of release is 60 ± 15 °, be mainly used in ultrasonic ranging, maximum detecting distance is 15 meters, the request for utilization that scene of fire guides escape can not be met, therefore not yet find the guiding of sonar applications in scene of fire to escape at present.
Utility model content
In view of this, the utility model provides a kind of sonar guiding escape and rescue system, affected by environment little, in scene of fire reliably for fire fighter provides escape guiding, can ensure the safety of fireman.
Described sonar guiding escape and rescue system comprises: ultrasound wave transmitter module and ultrasound wave receiver module; Described ultrasound wave transmitter module as sound source, for launching ultrasonic signal; The ultrasonic signal that described ultrasound wave receiver module sends for receiving ultrasound wave transmitter module, and indicate the direction of sound source.
Described ultrasound wave transmitter module comprises: transmitter module control module, ultrasound transmitting transducer, transmitter module signal processing unit and power supply, and described power supply is that transmitter module control module and transmitter module signal processing unit are powered; Described transmitter module signal processing unit comprises: signal generator, power amplifier and matching transformer; Described signal generator produces the ultrasonic signal of setpoint frequency under the control of transmitter module control module, after this ultrasonic signal is amplified by power amplifier and matching transformer, input to ultrasonic transducer, make described ultrasonic transducer send ultrasonic signal.
Described ultrasound wave receiver module comprises: ultrasound wave receiving transducer, receiver module control module, programmable amplifier, power supply and two or more blinker; Described power supply is that receiver module control module, programmable amplifier and blinker are powered; The ultrasonic signal that described ultrasound wave receiving transducer sends for receiving ultrasound wave transmitter module, and send to programmable amplifier; Described programmable amplifier is used for carrying out amplification process to received ultrasonic signal; Described receiver module control module is sampled to the ultrasonic signal after programmable amplifier amplification, and the amplitude of ultrasonic signal after calculating sampling, according to the amplitude of ultrasonic signal calculated, feedback regulation is carried out to the enlargement factor of programmable amplifier: in the amplitude that the amplitude of the ultrasonic signal calculated when receiver module control module exceedes its inner setting in limited time, reduce the enlargement factor of programmable amplifier, make the amplitude upper limit of amplitude lower than setting of ultrasonic signal after feedback regulation; Otherwise, do not change the enlargement factor of programmable amplifier.
The amplitude of the ultrasonic signal after feedback regulation is controlled the bright number of blinker as controling parameters by described receiver module control module, and this controling parameters is larger, and the bright number of blinker is more.
As a kind of optimal way of the present utility model, described ultrasound wave transmitter module comprises two or more ultrasound transmitting transducer; Be arc surface for installing the end face of ultrasound transmitting transducer in described ultrasound wave transmitter module, ultrasound transmitting transducer described in two or more is along the axial and circumferential formation ultrasound transmitting transducer spaced apart battle array of this arc surface.
As a kind of optimal way of the present utility model, in described ultrasound wave transmitter module, be also provided with more than one generating laser for Emission Lasers ray.
As a kind of optimal way of the present utility model, in described ultrasound wave receiver module, be also provided with two or more distance pilot lamp; Described receiver module control module is using the enlargement factor of the programmable amplifier after feedback regulation as the bright number of controling parameters command range pilot lamp, and this controling parameters is less, and the bright number of distance pilot lamp is fewer.
As a kind of optimal way of the present utility model, power supply in described ultrasound wave transmitter module and ultrasound wave receiver module all adopts rechargeable battery, the dump energy of battery in described transmitter module control module Real-time Collection ultrasound wave transmitter module, when threshold value lower than its inner setting of the dump energy of battery, send low electricity alarm; The dump energy of battery in described receiver module control module Real-time Collection ultrasound wave receiver module, when threshold value lower than its inner setting of the dump energy of battery, sends low electricity alarm.
Beneficial effect:
(1) sonar technique is applied to the guiding escape of fireman scene of fire by the utility model, safe and reliable, is easy to carry, affected by environment little; Adopt this system fire fighter can find escape outlet fast and accurately, rescue personnel can be enable to find the fire fighter sent an SOS fast simultaneously, thus the safety of reliable guarantee fire fighter.
(2) mode adopting line array and circular array to combine in ultrasound wave transmitter module arranges ultrasound transmitting transducer, can improve transmitting source level and directive property angle of release, and guiding distance, makes it meet the request for utilization of scene of a fire particular surroundings.This device is easy to carry simultaneously, easy for installation.
(3) ultrasonic signal and laser guidance are combined, when remote, rely on ultrasonic signal to find Sounnd source direction, time closely rely on laser beam confirm sound source position, ensure fire fighter can fast and reliable find an exit or rescue personnel can quick and precisely find the fire fighter sent an SOS.
(4) be provided with distance pilot lamp and blinker in the apparatus, can find Sounnd source direction fast and accurately according to the number that distance pilot lamp is bright when leading escape or search and rescue, the number according to distance pilot lamp estimates the distance from sound source.
Accompanying drawing explanation
Fig. 1 is the overall schematic of this system.
Fig. 2 is the structural representation of ultrasound wave transmitter module;
Fig. 3 is the schematic layout pattern of ultrasound transmitting transducer battle array;
Fig. 4 is the structural representation of ultrasound wave receiver module.
Embodiment
To develop simultaneously embodiment below in conjunction with accompanying drawing, the utility model is described in detail.
The present embodiment provides a kind of sonar guiding escape and rescue system for guiding escape and search and rescue in the megastore caught fire, office building to fire fighter.
This system comprises: ultrasound wave transmitter module and ultrasound wave receiver module, and wherein ultrasound wave transmitter module is as sound source, for 25kHz single-frequency ultrasonic signal more than Emission Lasers ray and sound pressure level 125dB; The ultrasonic signal that ultrasound wave receiver module sends for receiving ultrasound wave transmitter module, and the direction and the distance that are indicated sound source place by LED light, as shown in Figure 1.
Described ultrasound wave transmitter module comprises: transmitter module control module, ultrasound transmitting transducer battle array, generating laser battle array, transmitter module signal processing unit and power supply, as shown in Figure 2.Wherein power supply is that described transmitter module control module and transmitter module signal processing unit are powered.Described transmitter module signal processing unit comprises: signal generator, power amplifier and matching transformer, wherein signal generator is connected with transmitter module control module, the ultrasonic signal of the single-frequency of 25kHz is produced under the control of transmitter module control module, after this signal is amplified by power amplifier and matching transformer, input to supersonic transducer array, make it export powerful ultrasonic signal.Described transmitter module control module controls the switch of generating laser battle array simultaneously.
Described ultrasound transmitting transducer battle array is that the mode cloth postpone that the ultrasound transmitting transducer of 25kHz combines by line array and circular array is formed by 36 frequency of operation, be specially: the workplace of described ultrasound wave transmitter module is quadrant cambered surface, 36 ultrasound transmitting transducers are divided into three parts, axis along this arc surface is spacedly distributed, and forms three rows; Often row's 12 ultrasound transmitting transducers are spacedly distributed along the circumference of this arc surface, as shown in Figure 3.Adopt this kind of arrangement that the transmitting source level of this emitter can be made to reach more than 125dB, receiving range reaches more than 70 meters, launches angle of release and reaches more than 120 degree, be applicable to the open area such as megastore, meet the request for utilization of scene of fire.
Described generating laser battle array for being arranged on three generating lasers on ultrasound wave transmitter module workplace, for Emission Lasers ray.
Described ultrasound wave receiver module comprises: ultrasound wave receiving transducer, receiver module control module, programmable amplifier, power supply, five blinkers and five distance pilot lamp.Wherein power supply export voltage by after power regulator for programmable amplifier, receiver module control module, blinker and distance pilot lamp power.The single-frequency ultrasonic signal that ultrasound wave receiving transducer sends for receiving ultrasound wave transmitter module, ultrasound wave receiving transducer is connected with receiver module control module by programmable amplifier, receiver module control module carries out feedback regulation to the enlargement factor of programmable amplifier, and control blinker and the number bright apart from pilot lamp, as shown in Figure 4.
Be specially: described programmable amplifier carries out amplification process to received ultrasonic signal, receiver module control module is sampled to the ultrasonic signal after programmable amplifier amplification, and the amplitude of ultrasonic signal after calculating sampling, then according to the amplitude calculated, feedback regulation is carried out to the enlargement factor of programmable amplifier, be specially: the amplitude upper limit being provided with ultrasonic signal in described receiver module control module, prescribe a time limit when its amplitude calculated exceedes on this, feedback regulation is carried out to the enlargement factor of programmable amplifier, reduces its enlargement factor.During each feedback regulation, the enlargement factor of programmable amplifier is reduced to the half of former enlargement factor in the present embodiment, until the amplitude of the ultrasonic signal calculated is lower than the set amplitude upper limit.
Described receiver module control module using the amplitude of the ultrasonic signal after feedback regulation as controling parameters (when not needing feedback regulation, directly using the amplitude of calculated ultrasonic signal as controling parameters) control the bright number of blinker, this controling parameters is larger, the bright number of blinker is more, shows more close to Sounnd source direction.Reason is: because ultrasound wave has beam characteristic, and when searching Sounnd source direction in fixed position, the angle between ultrasound wave receiving transducer and sound source is less, and the ultrasonic signal received is stronger, then the amplitude of the ultrasonic signal after feedback regulation is larger.Described receiver module control module using the enlargement factor of the programmable amplifier after feedback regulation as controling parameters (when not needing feedback regulation, directly using the former enlargement factor of programmable amplifier as controling parameters) the bright number of command range pilot lamp, this controling parameters is less, the number bright apart from pilot lamp is fewer, shows that the distance between sound source is less.Reason is: when the direction along search is more close to sound source, the ultrasonic signal received by ultrasound wave receiving transducer is stronger, and for ensureing that the amplitude of ultrasonic signal is lower than the set amplitude upper limit, then the enlargement factor of programmable amplifier is less.
This system has two kinds of working methods, being respectively guiding escape and search is required assistance, and introduces its principle of work under different operating mode below respectively:
(1) guiding escape: now ultrasound wave transmitter module is positioned at the exit position of scene of fire, and at once opens after fire fighter enters scene of fire, and ultrasound wave receiver module is carried with by the fire fighter entering scene of fire.After fire fighter enters scene of fire, open the ultrasound wave transmitter module of exit position, make its ultrasound wave launching 25kHz and three laser beams, for fireman provides ultrasonic signal and laser guidance.When fire fighter complete fire-fighting task or run into emergency condition need withdraw, and scene of fire by dense smoke affect cannot determine Way out time, open ultrasound wave receiver module, ultrasound wave receiving transducer can receive the ultrasonic signal that sound source sends.First fire fighter moves horizontally ultrasound wave receiver module in original place, ultrasound wave receiving transducer is made to search sound source along different directions, the number that now blinker is bright constantly changes, when blinker bright complete bright time, show direction that now ultrasound wave receiving transducer is right and Sounnd source direction (i.e. Way out) closest.Fire fighter escapes in the direction, and in escape process, the number bright apart from pilot lamp reduces gradually, and prompting fire fighter is close to outlet more and more.Enable fire fighter find an exit with the fastest speed thus, guarantee safety.
(2) search is required assistance: now ultrasound wave transmitter module is carried with by the fire fighter entering scene of fire, and ultrasound wave receiver module is carried with by the rescue worker outside scene of fire, and at once opens after fire fighter enters scene of fire.When the fire fighter entering scene of fire is injured cannot escape from time, open the ultrasound wave transmitter module that it is carried with, make its ultrasound wave launching 25kHz and laser beam as distress signal.The ultrasound wave receiver module that now rescue worker carries can receive sent ultrasonic signal, and show that fire fighter needs rescue, rescue worker enters scene of fire and searches.Rescue worker judges the orientation of the fire fighter sent an SOS according to the number that blinker on ultrasound wave receiver module is bright, the distance of the fire fighter sent an SOS according to the number judging distance that distance pilot lamp is bright; Just the position of fire fighter can be confirmed by direct basis laser beam close to during fire fighter.Rescue worker can find the fire fighter sent an SOS fast thus, completes search and requires assistance.
In sum, these are only preferred embodiment of the present utility model, be not intended to limit protection domain of the present utility model.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. sonar guiding escape and rescue system, is characterized in that, comprising: ultrasound wave transmitter module and ultrasound wave receiver module; Described ultrasound wave transmitter module as sound source, for launching ultrasonic signal; The ultrasonic signal that described ultrasound wave receiver module sends for receiving ultrasound wave transmitter module, and indicate the direction of sound source;
Described ultrasound wave transmitter module comprises: transmitter module control module, ultrasound transmitting transducer, transmitter module signal processing unit and power supply, and described power supply is that transmitter module control module and transmitter module signal processing unit are powered; Described transmitter module signal processing unit comprises: signal generator, power amplifier and matching transformer; Described signal generator produces the ultrasonic signal of setpoint frequency under the control of transmitter module control module, after this ultrasonic signal is amplified by power amplifier and matching transformer, input to ultrasonic transducer, make described ultrasonic transducer send ultrasonic signal;
Described ultrasound wave receiver module comprises: ultrasound wave receiving transducer, receiver module control module, programmable amplifier, power supply and two or more blinker; Described power supply is that receiver module control module, programmable amplifier and blinker are powered; The ultrasonic signal that described ultrasound wave receiving transducer sends for receiving ultrasound wave transmitter module, and send to programmable amplifier; Described programmable amplifier is used for carrying out amplification process to received ultrasonic signal; Described receiver module control module is sampled to the ultrasonic signal after programmable amplifier amplification, and the amplitude of ultrasonic signal after calculating sampling, according to the amplitude of ultrasonic signal calculated, feedback regulation is carried out to the enlargement factor of programmable amplifier: in the amplitude that the amplitude of the ultrasonic signal calculated when receiver module control module exceedes its inner setting in limited time, reduce the enlargement factor of programmable amplifier, make the amplitude upper limit of amplitude lower than setting of ultrasonic signal after feedback regulation; Otherwise, do not change the enlargement factor of programmable amplifier;
The amplitude of the ultrasonic signal after feedback regulation is controlled the bright number of blinker as controling parameters by described receiver module control module, and this controling parameters is larger, and the bright number of blinker is more.
2. sonar guiding escape and rescue system as claimed in claim 1, it is characterized in that, described ultrasound wave transmitter module comprises two or more ultrasound transmitting transducer; Be arc surface for installing the end face of ultrasound transmitting transducer in described ultrasound wave transmitter module, ultrasound transmitting transducer described in two or more is along the axial and circumferential formation ultrasound transmitting transducer spaced apart battle array of this arc surface.
3. sonar guiding escape and rescue system as claimed in claim 1 or 2, is characterized in that, be also provided with more than one generating laser for Emission Lasers ray in described ultrasound wave transmitter module.
4. sonar guiding escape and rescue system as claimed in claim 1 or 2, is characterized in that, be also provided with two or more distance pilot lamp in described ultrasound wave receiver module; Described receiver module control module is using the enlargement factor of the programmable amplifier after feedback regulation as the bright number of controling parameters command range pilot lamp, and this controling parameters is less, and the bright number of distance pilot lamp is fewer.
5. sonar guiding escape and rescue system as claimed in claim 1, it is characterized in that, power supply in described ultrasound wave transmitter module and ultrasound wave receiver module all adopts rechargeable battery, the dump energy of battery in described transmitter module control module Real-time Collection ultrasound wave transmitter module, when threshold value lower than its inner setting of the dump energy of battery, send low electricity alarm; The dump energy of battery in described receiver module control module Real-time Collection ultrasound wave receiver module, when threshold value lower than its inner setting of the dump energy of battery, sends low electricity alarm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520778543.6U CN205139358U (en) | 2015-10-09 | 2015-10-09 | Sonar direction rescue system of fleing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520778543.6U CN205139358U (en) | 2015-10-09 | 2015-10-09 | Sonar direction rescue system of fleing |
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| CN205139358U true CN205139358U (en) | 2016-04-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182286A (en) * | 2015-10-09 | 2015-12-23 | 北京长城电子装备有限责任公司 | Sonar guiding escape rescue system |
| CN106338290A (en) * | 2016-10-26 | 2017-01-18 | 山东大学 | Navigation system automatically charged by robot and method |
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2015
- 2015-10-09 CN CN201520778543.6U patent/CN205139358U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182286A (en) * | 2015-10-09 | 2015-12-23 | 北京长城电子装备有限责任公司 | Sonar guiding escape rescue system |
| CN106338290A (en) * | 2016-10-26 | 2017-01-18 | 山东大学 | Navigation system automatically charged by robot and method |
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