CN204287480U - Based on the laser Monitor detection equipment of infrared scan monitoring technique - Google Patents
Based on the laser Monitor detection equipment of infrared scan monitoring technique Download PDFInfo
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- CN204287480U CN204287480U CN201420813259.3U CN201420813259U CN204287480U CN 204287480 U CN204287480 U CN 204287480U CN 201420813259 U CN201420813259 U CN 201420813259U CN 204287480 U CN204287480 U CN 204287480U
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Abstract
The utility model relates to a kind of laser Monitor detection equipment, and especially a kind of laser Monitor detection equipment based on infrared scan monitoring technique, belongs to the technical field of optics and image procossing.According to the technical scheme that the utility model provides, the described laser Monitor detection equipment based on infrared scan monitoring technique, comprise the light fixture for throwing light on to target area and the image-forming assembly for gathering target area image information, described image-forming assembly is connected with video output component, video output component stores the image information that image-forming assembly inputs and processes, to realize the detection to audiomonitor.The utility model compact conformation, improves detection efficiency and accuracy of detection, effectively can realize the protection to information, safe and reliable.
Description
Technical field
The utility model relates to a kind of laser Monitor detection equipment, and especially a kind of laser Monitor detection equipment based on infrared monitoring technology, belongs to the technical field of optics and image procossing.
Background technology
In today that international competition is day by day fierce, the success or failure of information countermeasure directly decide the result of competition.Information leakage and protection thereof, as the important means of information countermeasure, have become the technical field of various countries' contention, have carried out autonomous, system, deep research be extremely important to it.
Laser is monitored has noncontact, good concealment, sensitivity advantages of higher, has become a kind of eavesdropping means mainly.In order to protection information safety effectively, various countries have carried out the research of backward-reflected laser monitoring technique, and its method is on window-glass, place vibration interference device, makes glass produce extra vibration noise to bury in oblivion useful voice messaging.But along with the development of diffuse reflection laser monitoring technique, the target of stealing of information is changed to multiple material by glass.Monitoring system can be monitored indoor article (picture, water tumbler, cigarette case etc.) through glass, and therefore original backward-reflected laser monitoring technique can not realize the available protecting to information.
For effectively detecting laser audiomonitor, Main Means has: thermal imaging system detection mode, luminous point detection mode, infrared scan monitor mode.Strongly professional when the shortcoming of thermal imaging system detection mode is use, there is thermal source information in space many, noise is large, and realize difficulty large, window people from back and equipment can not be looked into.Luminous point detection mode is passive type, and laser must be had to be irradiated to monitored room, sees whether ambient light intensity has ANOMALOUS VARIATIONS.Traditional infrared scan monitor mode is active, but detection efficiency is low, low precision.
Summary of the invention
The purpose of this utility model overcomes the deficiencies in the prior art, provides a kind of laser Monitor detection equipment based on infrared scan monitoring technique, its compact conformation, improves detection efficiency and accuracy of detection, effectively can realize the protection to information, safe and reliable.
According to the technical scheme that the utility model provides, the described laser Monitor detection equipment based on infrared scan monitoring technique, comprise the light fixture for throwing light on to target area and the image-forming assembly for gathering target area image information, described image-forming assembly is connected with video output component;
Described image-forming assembly comprises optical receiver, optical filter, electronic shutter element and CCD imager, and described optical filter is between optical receiver and electronic shutter element, and CCD imager is connected with video output component;
Described light fixture comprises semiconductor laser, and the light path of described semiconductor laser is provided with collimation/reshaper, aimer and optical launcher successively; Described aimer and optical launcher also adjust assembly with optical system and are connected.
Described video output component, image-forming assembly and light fixture are all connected with Control Component.Described video output component is connected with alarm.
Described Control Component, video output component, image-forming assembly and light fixture are all positioned on tripod head.
Advantage of the present utility model: thrown light in target area by light fixture, by image-forming assembly, the image information that acquisition process obtains target area is carried out to the echo that target area returns, video output component can store image information and process, judge whether target area exists audiomonitor successively, compact conformation, improve detection efficiency and accuracy of detection, effectively can realize the protection to information, safe and reliable.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is the process flow diagram that the utility model carries out reporting to the police.
Description of reference numerals: 1-Control Component, 2-video output component, 3-image-forming assembly, 4-target area, 5-light fixture, 6-semiconductor laser, 7-collimation/reshaper, 8-aimer, 9-optical launcher, the adjustment of 10-optical system assembly, 11-optical receiver, 12-optical filter, 13-electronic shutter element and 14-CCD imager.
Embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in Figure 1: in order to detection efficiency to audiomonitor and accuracy of detection can be improved, effectively can realize the protection to information, the image-forming assembly 3 that the utility model comprises the light fixture 5 for throwing light on to target area 4 and receives for the light that receiving target region 4 returns, described image-forming assembly 3 is connected with video output component 2, the image information that video output component 2 pairs of image-forming assemblies 3 input stores and processes, with the detection to audiomonitor.
Particularly, Infrared can be incident upon target area 4 by light fixture 5, image-forming assembly 3 realizes gathering the image information in target area 4 by modes such as infrared scans, video output component 2 can store and relevant treatment described image information, realizes the detection to audiomonitor according to result.In the utility model embodiment, the process of video output component 2 pairs of image informations refers to be extracted situations such as the content comprised in image, brightness and analyzes, as there is the region of highlighted point in target area 4, then video output component 2 can it is determined that the presence of the audiomonitor that can make a video recording.
Described video output component 2, image-forming assembly 3 and light fixture 5 are all connected with Control Component 1.In the utility model embodiment, Control Component 1 mainly provides power supply and the associated drives information of video output component 2, image-forming assembly 3 and light fixture 5.
As shown in Figure 2, described Control Component 1, video output component 2, image-forming assembly 3 and light fixture 5 are all positioned on tripod head.Described video output component 2 is connected with alarm, and when video output component 2 judges to there is audiomonitor according to image information, video output component 2 is reported to the police by alarm.Tripod head can rotate, and tripod head can be connected with remote control center, and remote control center realizes monitoring the selection in different target region 4 by tripod head.Illustrate in Fig. 2; video output component 2 compares with threshold value according to gray-scale value in target area, when the gray-scale value in target area is greater than predetermined threshold value, then can assert to there is audiomonitor; then video output component 2 is reported to the police by alarm, thus can realize the available protecting to information.Alarm can adopt audible-visual annunciator, and video output component 2 can carry out the display of video information and the process of video information, generally can comprise display screen and video frequency processing chip etc., and video frequency processing chip can adopt conventional dsp chip.
Described image-forming assembly 3 comprises optical receiver 11, optical filter 12, electronic shutter element 13 and CCD imager 14, and described optical filter 12 is between optical receiver 11 and electronic shutter element 13, and CCD imager 14 is connected with video output component 2.
In the utility model embodiment, utilize CCD imager 14 to replace first with conventional photodetector, CCD imager 14 is face battle array device, can improve the collecting efficiency to image information in target area 4, and precision is also high relative to the detection of PIN point.
Described light fixture 5 comprises semiconductor laser 6, the light path of described semiconductor laser 6 is provided with successively collimation/reshaper 7, aimer 8 and optical launcher 9; Described aimer 8 and optical launcher 9 also adjust assembly 10 with optical system and are connected.
In the utility model embodiment; the measure such as time-delay soft start, Voltage Feedback protection semiconductor laser is increased in the laser drive circuit of noise spectra of semiconductor lasers 6; the surge ability to bear of semiconductor laser 6 can be improved, reduce the requirement of the performance to driving power.By the adjustment period of collimation/reshaper 7, light beam 8 and the cooperation of optical launcher 9, the laser of energy noise spectra of semiconductor lasers 6 carries out coupling fiber, make modulating frequency be far longer than the sampling frequency of CCD imager 14, thus realize the Uniform Illumination laser system for CCD imager 14.
Claims (4)
1. the laser Monitor detection equipment based on infrared scan monitoring technique, it is characterized in that: comprise the light fixture (5) for throwing light on to target area (4) and the image-forming assembly (3) for gathering target area (4) image information, described image-forming assembly (3) is connected with video output component (2);
Described image-forming assembly (3) comprises optical receiver (11), optical filter (12), electronic shutter element (13) and CCD imager (14), described optical filter (12) is positioned between optical receiver (11) and electronic shutter element (13), and CCD imager (14) is connected with video output component (2);
Described light fixture (5) comprises semiconductor laser (6), the light path of described semiconductor laser (6) is provided with successively collimation/reshaper (7), aimer (8) and optical launcher (9); Described aimer (8) and optical launcher (9) also adjust assembly (10) and are connected with optical system.
2. the laser Monitor detection equipment based on infrared scan monitoring technique according to claim 1, is characterized in that: described video output component (2), image-forming assembly (3) and light fixture (5) are all connected with Control Component (1).
3. the laser Monitor detection equipment based on infrared scan monitoring technique according to claim 1, is characterized in that: described video output component (2) is connected with alarm.
4. the laser Monitor detection equipment based on infrared scan monitoring technique according to claim 2, is characterized in that: described Control Component (1), video output component (2), image-forming assembly (3) and light fixture (5) are all positioned on tripod head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813259.3U CN204287480U (en) | 2014-12-19 | 2014-12-19 | Based on the laser Monitor detection equipment of infrared scan monitoring technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813259.3U CN204287480U (en) | 2014-12-19 | 2014-12-19 | Based on the laser Monitor detection equipment of infrared scan monitoring technique |
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| Publication Number | Publication Date |
|---|---|
| CN204287480U true CN204287480U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420813259.3U Expired - Fee Related CN204287480U (en) | 2014-12-19 | 2014-12-19 | Based on the laser Monitor detection equipment of infrared scan monitoring technique |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824579A (en) * | 2019-11-20 | 2020-02-21 | 中国电子科技集团公司第三十三研究所 | Anti-system tracking laser eavesdropping system and using method |
-
2014
- 2014-12-19 CN CN201420813259.3U patent/CN204287480U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824579A (en) * | 2019-11-20 | 2020-02-21 | 中国电子科技集团公司第三十三研究所 | Anti-system tracking laser eavesdropping system and using method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20151219 |
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| EXPY | Termination of patent right or utility model |