CN203069778U - Experiment apparatus for researching influences of smokes on radar life detection signal - Google Patents
Experiment apparatus for researching influences of smokes on radar life detection signal Download PDFInfo
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- CN203069778U CN203069778U CN 201220746497 CN201220746497U CN203069778U CN 203069778 U CN203069778 U CN 203069778U CN 201220746497 CN201220746497 CN 201220746497 CN 201220746497 U CN201220746497 U CN 201220746497U CN 203069778 U CN203069778 U CN 203069778U
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- laser
- smog
- antenna
- human body
- radar life
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Abstract
The utility model provides an experiment apparatus for researching the influences of smokes on a radar life detection signal. The experiment apparatus comprises a laser reflection column (1), a laser emission-reception column (2), a first laser reflector (3), a second laser reflector (4), a laser emitter (5), a laser receiver (6), a smoke outlet (7), a smoke concentration control box (8), smoke (9), a human heartbeat or breathing emulator (10), an ultra-wideband antenna (11), an antenna connecting line (12) and a frame (13). The experiment apparatus provided by the utility model can be used for researching the influences of smokes with different optical concentrations on the radar life detection signal.
Description
Technical field
The utility model belongs to radar life Detection Techniques field, the scene of a fire, relates in particular to a kind of for the experimental provision of smog to microwave life detection echoed signal influence research
Background technology
At present, radar life-detection instrument mainly adopts breathing and the heartbeat frequency of Doppler shift human body, and then judge whether the life entity of survival, calculate the position of human body again by the phase shift of echo, this technology can only be used under ecotopia just can accurately detect life entity, can't carry out life entity and survey under the interference environment of complexity; Want to use radar life-detection instrument to carry out personnel's search and rescue in the scene of fire, must carry out in the scene of a fire smog earlier to radar life detectable signal influence research, have only and grasped the influence rule of smog to the radar life detectable signal, could fundamentally solve the applicability problem of radar life Detection Techniques in fire.
Along with the continuous development of radar life Detection Techniques, electromechanical integration technology and fire theory, making to overcome the above problems becomes possibility.
The utility model content
The purpose of this utility model is that influence provides experimental assembly to the radar life detectable signal for research smog.
For achieving the above object, the utility model adopts following technical scheme: a kind of for the experimental provision of smog to radar life detectable signal influence research, this experimental provision comprises: laser reflection post, Laser emission receive post, first laser mirror, second laser mirror, generating laser, laser pickoff, smog outlet, smokescope control box, smog, human body heartbeat or breathe emulator, ultra-wideband antenna, antenna connecting line and appliance stand;
Wherein, described laser reflection post, Laser emission receive post, first laser mirror, second laser mirror, generating laser, laser pickoff, smog outlet, smokescope control box and smog formation smog generating mechanism; The light of generating laser emission infrared band passes smog and through first laser mirror and second laser mirror laser pickoff is arrived in signal reflex successively, calculate the optical density (OD) that formula (1) calculates smog according to optical density (OD), if this optical density (OD) is lower than or is higher than setting value, then regulate the smoke density of smog outlet by the automatic control system in the smokescope control box, output density value and setting value are consistent, namely keep radar life detectable signal interference source stable;
In the formula, D is optical density (OD) (dB); U
0Light intensity (the W/m that laser pickoff receives during for non smoke
2); U is the light intensity (W/m that laser pickoff received when smog was arranged
2);
Wherein, described human body heartbeat or breathing emulator, ultra-wideband antenna, antenna connecting line and appliance stand constitute radar life detectable signal collecting mechanism; The antenna connecting line receives the continuous radar pulse signal that data acquisition board sends, adjustable electric magnetic wave through ultra-wideband antenna emission X and L-band, electromagnetic wave passes smog and arrives the human body heartbeat or breathe emulator, the echo of electromagnetic wave and heartbeat or breath signal stack passes smog when returning and arrives ultra-wideband antenna, through the antenna connecting line echoed signal is sent to data acquisition board again.
Wherein, human body heartbeat or breathing emulator comprise: simulation thoracic cavity, controller, switch, antenna and electric hydraulic pump, and the silica gel soft material is used in the simulation thoracic cavity; Electric hydraulic pump connects the simulation thoracic cavity; Turn on the power switch and can start working, can be with the real-time adjustment simulator parameters of wireless radio frequency antenna by controller; Controller control electric hydraulic pump makes simulation chest expansion and contraction, realizes the effect of human body heartbeat or breathing emulation.
Owing to adopted above technical characterictic, the utility model can be used for the smog of research different optical density to the influence of radar life detectable signal.
Description of drawings
Fig. 1 is for being used for smog to the experimental provision structural representation of radar life detectable signal influence research.
Embodiment
Below in conjunction with accompanying drawing, the utility model done describing in further detail:
Fig. 1 is for being used for smog to the experimental provision structural representation of radar life detectable signal influence research.This experimental provision comprises: laser reflection post 1, Laser emission receive post 2, laser mirror 3 and 4, generating laser 5, laser pickoff 6, smog outlet 7, smokescope control box 8, smog 9, human body heartbeat or breathe emulator 10, ultra-wideband antenna 11, antenna connecting line 12, appliance stand 13 etc.
Wherein, laser reflection post 1, Laser emission receive formation smog generating mechanisms such as post 2, laser mirror 3 and 4, generating laser 5, laser pickoff 6, smog outlet 7, smokescope control box 8, smog 9.The light of generating laser 5 emission infrared bands passes smog and through laser mirror 3 and 4 laser pickoff 6 is arrived in signal reflex, calculates formula according to optical density (OD):
In the formula, D is optical density (OD) (dB); U
0Light intensity (the W/m that photelectric receiver receives during for non smoke
2); U is the light intensity (W/m that photelectric receiver received when smog was arranged
2).Calculate the optical density (OD) of smog, if density is lower than or is higher than setting value, then regulate the smoke density of smog outlet 7 by the automatic control system in the smokescope control box 8, output density value and setting value are consistent, namely keep radar life detectable signal interference source stable.
Wherein, human body heartbeat or breathing emulator 10, ultra-wideband antenna 11, antenna connecting line 12, appliance stand 13 etc. constitute radar life detectable signal collecting mechanisms.Antenna connecting line 12 receives the continuous radar pulse signal that data acquisition board sends, adjustable electric magnetic wave through ultra-wideband antenna 11 emission X and L-band, electromagnetic wave passes smog 9 and arrives the human body heartbeat or breathe emulator 10, the echo of electromagnetic wave and heartbeat or breath signal stack passes smog 9 and arrives ultra-wideband antennas 11 when returning, through antenna connecting line 12 echoed signal is sent to data acquisition board again.Human body heartbeat emulator output signal is Y (t)=r
1* A*sin (r
2* r wherein 2p ft+j),
1, r
2, A, f, j are respectively adjustable parameter r
1, r
2, span is (0～1), amplitude A, span be (0～2cm), frequency f, span be (0～3Hz), phase place j, span is (0～360 °), human body respiration emulator output signal is Y (t)=r
1* A*sin (r
2* r wherein 2p ft+j),
1, r
2, A, f, j are respectively adjustable parameter r
1, r
2, span is (0～1), amplitude A, span be (0～5cm), frequency f, span be (0～2Hz), phase place j, span is (0～360 °).
Human body heartbeat or breathe that emulator 10 has frequency and amplitude changes function in time and the less radio-frequency parameter arranges function, simulated humanbody heartbeat and to regulate parameter convenient more truly.
The emulator structure that human body heartbeat or breathing emulator 10 can adopt the anthropomorphic dummy body-centered to jump or breathe, this emulator comprises: simulation thoracic cavity, controller, switch, antenna, electric hydraulic pump.The silica gel soft material is used in the simulation thoracic cavity; Electric hydraulic pump connects the simulation thoracic cavity; Turn on the power switch and can start working, can be with the real-time adjustment simulator parameters of wireless radio frequency antenna by controller; Controller control electric hydraulic pump makes simulation chest expansion and contraction, realizes the effect of human body heartbeat or breathing emulation.
The hardware of the controller that the anthropomorphic dummy body-centered is jumped or breathed comprises: antenna, electric hydraulic pump, status indicator lamp, EEPROM, hummer, power supply monitoring, lithium battery, CC430 microprocessor.CC430 microprocessor output control signal makes electric hydraulic pump according to predetermined frequency and amplitude work; Antenna is used for receiving the parameter signalization and sends the power supply alarming signal; EEPROM is used for storage parameter is set; Power supply monitoring is used for monitoring emulator power supply status, and voltage sends alerting signal when low; Pilot lamp and hummer are used for power supply indication and the low warning of voltage; The lithium battery parameter is 5V, the 5000mAh rechargeable battery.
CC430 microprocessor output control signal is Y (t)=r in the controller that the anthropomorphic dummy body-centered is jumped or breathed
1* A*sin (r
2* r wherein 2p ft+j),
1, r
2, A, f, j are respectively adjustable parameter (0～1), amplitude (0～2cm), and frequency (0～3Hz), phase place (0～360 °), these parameters can arrange by wireless radio frequency antenna, are used for contraction and the expansion in control simulation thoracic cavity.
What the utility model provided is used for smog to the experimental provision of radar life detectable signal influence research, smokescope, human body heartbeat be can regulate or simulate signal and electromagnetic wavelength breathed, simple in structure, easy to operate, in radar life-detection instrument research, be with a wide range of applications.
More than disclosed only be the preferred embodiment of utility model, but be not to limit itself, any those of ordinary skill in the art, variation that can think of under the situation of the utility model spirit, all should drop in the protection domain of the present utility model.
Claims (2)
1. one kind is used for smog to the experimental provision of radar life detectable signal influence research, it is characterized in that this experimental provision comprises: laser reflection post (1), Laser emission receive post (2), first laser mirror (3), second laser mirror (4), generating laser (5), laser pickoff (6), smog outlet (7), smokescope control box (8), smog (9), human body heartbeat or breathe emulator (10), ultra-wideband antenna (11), antenna connecting line (12) and appliance stand (13);
Wherein, described laser reflection post (1), Laser emission receive post (2), first laser mirror (3), second laser mirror (4), generating laser (5), laser pickoff (6), smog outlet (7), smokescope control box (8) and smog (9) and constitute the smog generating mechanism; The light of generating laser (5) emission infrared band passes smog and through first laser mirror (3) and second laser mirror (4) laser pickoff (6) is arrived in signal reflex successively, calculates formula according to optical density (OD)
Calculate the optical density (OD) of smog, if this optical density (OD) is lower than or is higher than setting value, then regulate the smoke density of smog outlet (7) by the automatic control system in the smokescope control box (8), output density value and setting value are consistent, namely keep radar life detectable signal interference source stable;
In the described computing formula, D is optical density (OD), and unit is dB; U
0The light intensity that laser pickoff during for non smoke (6) receives, unit is W/m
2U is the light intensity that laser pickoff (6) received when smog was arranged, and unit is W/m
2
Wherein, described human body heartbeat or breathing emulator (10), ultra-wideband antenna (11), antenna connecting line (12) and appliance stand (13) constitute radar life detectable signal collecting mechanism; Antenna connecting line (12) receives the continuous radar pulse signal that data acquisition board sends, adjustable electric magnetic wave through ultra-wideband antenna (11) emission X and L-band, electromagnetic wave passes smog (9) and arrives the human body heartbeat or breathe emulator (10), the echo of electromagnetic wave and heartbeat or breath signal stack passes smog (9) when returning and arrives ultra-wideband antenna (11), through antenna connecting line (12) echoed signal is sent to data acquisition board again.
2. according to claim 1 a kind of for the experimental provision of smog to radar life detectable signal influence research, it is characterized in that, this human body heartbeat or breathing emulator (10) comprising: simulation thoracic cavity, controller, switch, antenna and electric hydraulic pump, and the silica gel soft material is used in the simulation thoracic cavity; Electric hydraulic pump connects the simulation thoracic cavity; Turn on the power switch and can start working, can be with the real-time adjustment simulator parameters of wireless radio frequency antenna by controller; Controller control electric hydraulic pump makes simulation chest expansion and contraction, realizes the effect of human body heartbeat or breathing emulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220746497 CN203069778U (en) | 2012-12-31 | 2012-12-31 | Experiment apparatus for researching influences of smokes on radar life detection signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220746497 CN203069778U (en) | 2012-12-31 | 2012-12-31 | Experiment apparatus for researching influences of smokes on radar life detection signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203069778U true CN203069778U (en) | 2013-07-17 |
Family
ID=48768550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220746497 Expired - Lifetime CN203069778U (en) | 2012-12-31 | 2012-12-31 | Experiment apparatus for researching influences of smokes on radar life detection signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203069778U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076598A (en) * | 2012-12-31 | 2013-05-01 | 中国科学技术大学 | Experimental device used for researching influence of smoke on radar life detection signal |
| CN114387754A (en) * | 2020-10-16 | 2022-04-22 | 中国移动通信集团设计院有限公司 | Antenna control method and device based on fire-fighting linkage |
-
2012
- 2012-12-31 CN CN 201220746497 patent/CN203069778U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076598A (en) * | 2012-12-31 | 2013-05-01 | 中国科学技术大学 | Experimental device used for researching influence of smoke on radar life detection signal |
| CN114387754A (en) * | 2020-10-16 | 2022-04-22 | 中国移动通信集团设计院有限公司 | Antenna control method and device based on fire-fighting linkage |
| CN114387754B (en) * | 2020-10-16 | 2023-10-27 | 中国移动通信集团设计院有限公司 | Fire-fighting linkage-based antenna control method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130717 Effective date of abandoning: 20141029 |
|
| RGAV | Abandon patent right to avoid regrant |