CN201928384U - Audio/video life detector - Google Patents
Audio/video life detector Download PDFInfo
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- CN201928384U CN201928384U CN2010206441927U CN201020644192U CN201928384U CN 201928384 U CN201928384 U CN 201928384U CN 2010206441927 U CN2010206441927 U CN 2010206441927U CN 201020644192 U CN201020644192 U CN 201020644192U CN 201928384 U CN201928384 U CN 201928384U
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Abstract
The utility model provides an audio/video life detector, which comprises a front-end component and a rear-end control box in communication with the front-end component. The front-end component includes a camera, a pickup and a loudspeaker; and the rear-end control box includes a video signal processing circuit, a monitor, an audio signal processing circuit, an earphone and a microphone, wherein the video signal processing circuit is connected with the camera, the monitor is connected with the video signal processing circuit, the audio signal processing circuit is respectively connected with the pickup and the loudspeaker, and the earphone and the microphone are connected with the audio signal processing circuit. The front-end component and the rear-end control box are in bidirectional audio communication, and additional characters or image information are displayed while video is displayed, so that rescue workers can have a voice dialogue with possible survivors in ruins and can search and position the positions of the survivors, understanding of the rescue workers about specific circumstances of disaster scenes is increased, and the search and rescue range of the disaster scenes is widened.
Description
Technical field
The utility model relates to accident and searches and rescues technical field, and specifically, the utility model relates to a kind of audio/video life-detection instrument.
Background technology
When buried survivor or victim are searched in the scene in such as disaster accidents such as earthquake, blast, landslide, mine disaster or building collapsings, can position by the particular location of audio/video mode by life-detection instrument to survivor or victim.The audio/video life-detection instrument can be surveyed the zone that manpower can't arrive, and searches and locate survivor or victim fast, can strive for more time for rescue operation.
Existing audio/video life-detection instrument mainly adopts camera or pick-up that small spaces such as ruins are carried out reconnaissance probe, and show to the image in the small space of gathering or transfer voice the monitor of rear end or earphone in real time or monitors, be convenient to the truth that the rescue worker recognizes that small space is interior.
Fig. 1 is the structured flowchart of an audio/video life-detection instrument of prior art.As shown in the figure, this audio/video life-detection instrument 100 can comprise front end assemblies 101 and the rear end control box 103 of communicating by letter with it, and wherein, front end assemblies 101 can comprise:
Camera 105 is used to gather the front end vision signal;
Pick-up 107 is used to gather the front end audio signal;
Rear end control box 103 can comprise:
Monitor 109 is connected with camera 105, is used to show the front end vision signal;
Earphone 111 is connected with pick-up 107, is used to monitor the front end audio signal.
But there is following shortcoming in existing audio/video life-detection instrument:
(1) unidirectional voice communication function makes the rescue worker can only monitor sound in the ruins, and can't be initiatively with ruins in the survivor that may exist carry out voice dialogue, it is less to cause the disaster scene to search and rescue scope;
(2) can't in display video, show literal or the image information that some are additional,, cause the rescue worker to understand abundant inadequately the concrete condition of disaster scene such as current time, temperature or geographical coordinate etc.;
(3) man-machine interface is unfriendly, and underaction operates.
Summary of the invention
Technical problem to be solved in the utility model is to set up bidirectional audio communication between the front end assemblies of audio/video life-detection instrument and rear end control box, in display video, also show literal or image information that some are additional, make the rescue worker carry out voice dialogue with the survivor that may exist in the ruins, and can search for the location to survivor's position, enlarge the disaster scene and search and rescue scope.
For solving the problems of the technologies described above, the utility model provides a kind of audio/video life-detection instrument, comprises front end assemblies and the rear end control box of communicating by letter with it, and described front end assemblies comprises:
Camera is used to gather the front end vision signal;
Pick-up is used to gather the front end audio signal;
Loud speaker is used to play the rear end audio signal;
Described rear end control box comprises:
Video processing circuit is connected with described camera, is used for described front end vision signal is handled;
Monitor is connected with described video processing circuit, is used to show the front end vision signal after the described processing;
Audio signal processing circuit is connected with loud speaker with described pick-up respectively, is used for described front and back ends audio signal is carried out modulating/demodulating, and improves audio speech quality;
Earphone is connected with described audio signal processing circuit, is used to monitor described front end audio signal;
Microphone is connected with described audio signal processing circuit, is used to gather described rear end audio signal.
Alternatively, described front end vision signal handled being included in overlaying character vision signal on the described front end vision signal, form the actions menu function.
Alternatively, the character video frequency signal of described stack comprises current time, temperature or geographical coordinate.
Alternatively, described audio signal processing circuit comprises:
Front end waveform amplifying unit is connected with loud speaker with described pick-up respectively, is used for described front end audio signal is amplified;
The front end sound volume regulation unit is connected with described front end waveform amplifying unit, is used to regulate the volume of described front end audio signal;
First modulation/demodulation unit is connected with described front end sound volume regulation unit, is used to modulate described front end audio signal and/or the described rear end of demodulation audio signal;
Audio frequency duplex processing unit is connected with described first modulation/demodulation unit, is used to isolate described front and back ends audio signal, prevents and crosstalks;
Second modulation/demodulation unit is connected with described audio frequency duplex processing unit, is used for the described front end audio signal of demodulation and/or modulates described rear end audio signal;
The rear end sound volume regulation unit is connected with described second modulation/demodulation unit, is used to regulate the volume of described rear end audio signal;
Rear end waveform amplifying unit is connected with microphone with described rear end sound volume regulation unit, earphone respectively, is used for described rear end audio signal is amplified.
Alternatively, described video processing circuit comprises:
Vision signal character supercircuit is connected with monitor with described camera respectively, is used for back overlaying character vision signal is amplified in described front end vision signal shaping;
Video signal control circuit is connected with described vision signal character supercircuit, is used for providing described character video frequency signal to described vision signal character supercircuit.
Alternatively, described vision signal character supercircuit comprises:
Vision signal shaping amplifying unit is connected with described camera, is used for described front end vision signal shaping is amplified;
The synchronizing signal generating unit is connected with described vision signal shaping amplifying unit, is used to produce line synchronizing signal and field sync signal;
The video signal mixture unit is connected with the synchronizing signal generating unit with described vision signal shaping amplifying unit respectively, is used for described front end vision signal and the stack of character video frequency signal;
The local oscillator unit is connected with described video signal mixture unit, is used to described video signal mixture unit that operating frequency is provided;
Vision signal shaping output unit is connected with monitor with described video signal mixture unit respectively, is used for the vision signal shaping after the described stack is exported.
Alternatively, described video signal control circuit comprises:
The keyboard input unit is used for inputting character information;
The video superimpose character repertoire is used to store the corresponding character address of character information of described input;
Control unit, be connected with the video superimpose character repertoire with described keyboard input unit respectively, be used for the corresponding character address of character information of calling described input, and the character information of described input is sent to described video signal mixture cell translation become described character video frequency signal from described video superimpose character repertoire;
Clock unit is connected with described control unit, is used to described control unit that clock frequency is provided.
Compared with prior art, the utlity model has following advantage:
The utility model has been set up bidirectional audio communication between front end assemblies and rear end control box, in display video, also show literal or image information that some are additional, such as current time, temperature or geographical coordinate etc., make the rescue worker carry out voice dialogue with the survivor that may exist in the ruins, and can search for the location to survivor's position, increased the rescue worker concrete condition of disaster scene has been understood, enlarged the disaster scene and searched and rescued scope.In addition, on monitor screen, form the actions menu function, improved man-machine interface and operated more flexible.
Description of drawings
The above and other feature of the present utility model, character and advantage will become more obvious by the description below in conjunction with drawings and Examples, wherein:
Fig. 1 is the structured flowchart of an audio/video life-detection instrument of prior art;
Fig. 2 is the structured flowchart of the audio/video life-detection instrument of an embodiment of the utility model;
Fig. 3 is the structured flowchart of the audio signal processing circuit of an embodiment of the utility model;
Fig. 4 is the structured flowchart of the video processing circuit of an embodiment of the utility model.
Embodiment
The utility model is described in further detail below in conjunction with specific embodiments and the drawings, but should not limit protection range of the present utility model with this.
Fig. 2 is the structured flowchart of the audio/video life-detection instrument of an embodiment of the utility model.As shown in the figure, this audio/video life-detection instrument 200 can comprise front end assemblies 201 and the rear end control box 203 of communicating by letter with it, and front end assemblies 201 can comprise:
Camera 205 is used to gather the front end vision signal;
Pick-up 207 is used to gather the front end audio signal;
Rear end control box 203 can comprise:
Audio signal processing circuit 212 is connected with loud speaker 208 with pick-up 207 respectively, is used for the front and back ends audio signal is carried out modulating/demodulating, and improves audio speech quality;
In the present embodiment, the front end vision signal handled to be included in overlaying character vision signal on the front end vision signal, form the actions menu function.The character video frequency signal of stack can comprise current time, temperature or geographical coordinate.
Fig. 3 is the structured flowchart of the audio signal processing circuit of an embodiment of the utility model.As shown in the figure, this audio signal processing circuit 212 can comprise:
Front end waveform amplifying unit 301 is connected with loud speaker 208 with pick-up 207 respectively, is used for the front end audio signal is amplified;
Front end sound volume regulation unit 302 is connected with front end waveform amplifying unit 301, is used to regulate the volume of front end audio signal;
First modulation/demodulation unit 303 is connected with front end sound volume regulation unit 302, is used to modulate front end audio signal and/or demodulation rear end audio signal;
Audio frequency duplex processing unit 304 is connected with first modulation/demodulation unit 303, is used to isolate the front and back ends audio signal, prevents and crosstalks;
Second modulation/demodulation unit 305 is connected with audio frequency duplex processing unit 304, is used for demodulation front end audio signal and/or modulation rear end audio signal;
Rear end sound volume regulation unit 306 is connected with second modulation/demodulation unit 305, is used to regulate the volume of rear end audio signal;
Rear end waveform amplifying unit 307 is connected with rear end sound volume regulation unit 306, earphone 211 and microphone 213 respectively, is used for the rear end audio signal is amplified.
In the present invention, because audio signal processing circuit 212 has been set up bidirectional audio communication between front end assemblies 201 and rear end control box 203, its course of work can be divided into " monitoring " and " propagandaing directed to communicate " two states.Specifically, under " monitoring " state, pick-up 207 is gathered faint front end audio signal, amplify through front end waveform amplifying unit 301, make it to have enough amplitudes, front end sound volume regulation unit 302 is regulated the volume of front end audio signal, front end audio signal after first modulation/demodulation unit 303 will be amplified is then modulated, before 304 isolation of audio frequency duplex processing unit, the rear end audio signal, the audio signal that prevents different directions is crosstalked, second modulation/demodulation unit 305 is carried out demodulation with the front end audio signal, rear end sound volume regulation unit 306 and rear end waveform amplifying unit can not worked for 307 this moments, directly the front end audio signal is sent to earphone output, realize " monitoring " function.
And under " propagandaing directed to communicate " state, microphone 213 is gathered rescue worker's rear end audio signal, amplify through rear end waveform amplifying unit 307, make it to have enough amplitudes, rear end sound volume regulation unit 306 is regulated the volume of rear end audio signal, rear end audio signal after second modulation/demodulation unit 305 will be amplified is then modulated, before 304 isolation of audio frequency duplex processing unit, the rear end audio signal, the audio signal that prevents different directions is crosstalked, first modulation/demodulation unit 305 is carried out demodulation with the rear end audio signal, front end sound volume regulation unit 302 and front end waveform amplifying unit can not worked for 301 this moments, directly the rear end audio signal is sent to loud speaker output, realize " propagandaing directed to communicate " function.
Fig. 4 is the structured flowchart of the video processing circuit of an embodiment of the utility model.As shown in the figure, this video processing circuit 210 can comprise:
Vision signal character supercircuit 401 is connected with monitor 209 with camera 205 respectively, is used for back overlaying character vision signal is amplified in the shaping of front end vision signal;
Video signal control circuit 403 is connected with vision signal character supercircuit 401, is used for providing above-mentioned character video frequency signal to vision signal character supercircuit 401.
In the present embodiment, vision signal character supercircuit 401 can comprise:
Vision signal shaping amplifying unit 405 is connected with camera 205, is used for making it to reach vision signal 1V with exist the front end vision signal shaping of certain decay to amplify through transmission
P-PStandard;
Synchronizing signal generating unit 408 is connected with vision signal shaping amplifying unit 405, is used to produce line synchronizing signal and field sync signal;
Video signal mixture unit 406 is connected with synchronizing signal generating unit 408 with vision signal shaping amplifying unit 405 respectively, is used for front end vision signal after the shaping amplification and the stack of character video frequency signal;
Vision signal shaping output unit 407 is connected with monitor 209 with video signal mixture unit 406 respectively, is used for the output of the vision signal shaping after the stack is made it to meet vision signal 1V
P-PStandard shows on monitor 209.
In the present embodiment, video signal control circuit 403 can comprise:
Video superimpose character repertoire 413 is used to store the corresponding character address of character information that all can be imported and edit on vision signal;
The utility model has been set up bidirectional audio communication between front end assemblies and rear end control box, in display video, also show literal or image information that some are additional, such as current time, temperature or geographical coordinate etc., make the rescue worker carry out voice dialogue with the survivor that may exist in the ruins, and can search for the location to survivor's position, increased the rescue worker concrete condition of disaster scene has been understood, enlarged the disaster scene and searched and rescued scope.In addition, on monitor screen, form the actions menu function, improved man-machine interface and operated more flexible.
Though the utility model with preferred embodiment openly as above; but it is not to be used for limiting the utility model; any those skilled in the art are not in breaking away from spirit and scope of the present utility model; can make possible change and modification, therefore protection range of the present utility model should be as the criterion with the scope that the utility model claim is defined.
Claims (5)
1. an audio/video life-detection instrument comprises front end assemblies and the rear end control box of communicating by letter with it, it is characterized in that described front end assemblies comprises:
Camera is gathered the front end vision signal;
Pick-up is gathered the front end audio signal;
Loud speaker is play the rear end audio signal;
Described rear end control box comprises:
Video processing circuit is connected with described camera, and described front end vision signal is handled;
Monitor is connected with described video processing circuit, shows the front end vision signal after the described processing;
Audio signal processing circuit is connected with loud speaker with described pick-up respectively, and described front and back ends audio signal is carried out modulating/demodulating, and improves audio speech quality;
Earphone is connected with described audio signal processing circuit, monitors described front end audio signal;
Microphone is connected with described audio signal processing circuit, gathers described rear end audio signal.
2. audio/video life-detection instrument according to claim 1 is characterized in that, described audio signal processing circuit comprises:
Front end waveform amplifying unit is connected with loud speaker with described pick-up respectively, and described front end audio signal is amplified;
The front end sound volume regulation unit is connected with described front end waveform amplifying unit, regulates the volume of described front end audio signal;
First modulation/demodulation unit is connected with described front end sound volume regulation unit, modulates described front end audio signal and/or the described rear end of demodulation audio signal;
Audio frequency duplex processing unit is connected with described first modulation/demodulation unit, isolates described front and back ends audio signal, prevents and crosstalks;
Second modulation/demodulation unit is connected with described audio frequency duplex processing unit, the described front end audio signal of demodulation and/or modulate described rear end audio signal;
The rear end sound volume regulation unit is connected with described second modulation/demodulation unit, regulates the volume of described rear end audio signal;
Rear end waveform amplifying unit is connected with microphone with described rear end sound volume regulation unit, earphone respectively, and described rear end audio signal is amplified.
According to claim 1 in each described audio/video life-detection instrument, it is characterized in that described video processing circuit comprises:
Vision signal character supercircuit is connected with monitor with described camera respectively, and back overlaying character vision signal is amplified in described front end vision signal shaping;
Video signal control circuit is connected with described vision signal character supercircuit, provides described character video frequency signal to described vision signal character supercircuit.
4. audio/video life-detection instrument according to claim 3 is characterized in that, described vision signal character supercircuit comprises:
Vision signal shaping amplifying unit is connected with described camera, and described front end vision signal shaping is amplified;
The synchronizing signal generating unit is connected with described vision signal shaping amplifying unit, produces line synchronizing signal and field sync signal;
The video signal mixture unit is connected with the synchronizing signal generating unit with described vision signal shaping amplifying unit respectively, with described front end vision signal and the stack of character video frequency signal;
The local oscillator unit is connected with described video signal mixture unit, for described video signal mixture unit provides operating frequency;
Vision signal shaping output unit is connected with monitor with described video signal mixture unit respectively, and the vision signal shaping after the described stack is exported.
5. audio/video life-detection instrument according to claim 4 is characterized in that, described video signal control circuit comprises:
The keyboard input unit, inputting character information;
The video superimpose character repertoire stores the corresponding character address of character information of described input;
Control unit, be connected with the video superimpose character repertoire with described keyboard input unit respectively, from described video superimpose character repertoire, call the corresponding character address of character information of described input, and the character information of described input is sent to described video signal mixture cell translation become described character video frequency signal;
Clock unit is connected with described control unit, for described control unit provides clock frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206441927U CN201928384U (en) | 2010-12-07 | 2010-12-07 | Audio/video life detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206441927U CN201928384U (en) | 2010-12-07 | 2010-12-07 | Audio/video life detector |
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| CN201928384U true CN201928384U (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206441927U Expired - Fee Related CN201928384U (en) | 2010-12-07 | 2010-12-07 | Audio/video life detector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105549066A (en) * | 2015-12-03 | 2016-05-04 | 北京安科兴业科技股份有限公司 | Method for detecting life information |
| CN105974492A (en) * | 2016-06-27 | 2016-09-28 | 湖南正申科技有限公司 | Multifunctional life detection instrument |
| CN107990975A (en) * | 2017-11-24 | 2018-05-04 | 上海胜战科技发展有限公司 | A kind of military industry field life detecting device and its application method |
-
2010
- 2010-12-07 CN CN2010206441927U patent/CN201928384U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105549066A (en) * | 2015-12-03 | 2016-05-04 | 北京安科兴业科技股份有限公司 | Method for detecting life information |
| CN105974492A (en) * | 2016-06-27 | 2016-09-28 | 湖南正申科技有限公司 | Multifunctional life detection instrument |
| CN105974492B (en) * | 2016-06-27 | 2019-06-07 | 湖南正申科技有限公司 | Multifunction life survey meter |
| CN107990975A (en) * | 2017-11-24 | 2018-05-04 | 上海胜战科技发展有限公司 | A kind of military industry field life detecting device and its application method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20121207 |