WO2012036438A2 - 감시용 카메라의 촬영조명 난반사 방지 장치 - Google Patents
감시용 카메라의 촬영조명 난반사 방지 장치 Download PDFInfo
- Publication number
- WO2012036438A2 WO2012036438A2 PCT/KR2011/006729 KR2011006729W WO2012036438A2 WO 2012036438 A2 WO2012036438 A2 WO 2012036438A2 KR 2011006729 W KR2011006729 W KR 2011006729W WO 2012036438 A2 WO2012036438 A2 WO 2012036438A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bracket
- led lighting
- lighting unit
- camera
- rotation
- Prior art date
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19617—Surveillance camera constructional details
- G08B13/19619—Details of casing
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19617—Surveillance camera constructional details
- G08B13/1963—Arrangements allowing camera rotation to change view, e.g. pivoting camera, pan-tilt and zoom [PTZ]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
- H04N7/185—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source from a mobile camera, e.g. for remote control
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19634—Electrical details of the system, e.g. component blocks for carrying out specific functions
- G08B13/19636—Electrical details of the system, e.g. component blocks for carrying out specific functions pertaining to the camera
Definitions
- the present invention is to remove the diffuse reflection factor caused by the shooting light in accordance with the rotation of the photographing lens portion of the surveillance CCTV camera capable of 4-axis drive to the shooting illumination diffuse reflection prevention device of the surveillance camera to secure a wider angle of view It is a tube.
- surveillance cameras are used in certain places such as parking lots, department stores, banks and exhibition halls to prevent illegal activities or theft.
- Such surveillance cameras include fixed cameras capable of detecting only a certain area and mobile cameras using pan tilt motors capable of monitoring a wide range of areas.
- These speed dome cameras can be infinitely rotated or limitedly rotated up to an angle of up to 360 ° in the horizontal direction (PAN) corresponding to the X-axis direction.
- PAN horizontal direction
- TILT vertical direction
- a single speed dome camera can be used in all directions without having to deploy multiple fixed surveillance cameras. Allows you to shoot and monitor all.
- Such a speed dome camera not only allows the body of the camera to be rotated in the X-axis direction or the Y-axis direction, but also the multi-axis rotation drive type that allows the lens portion of the camera to be rotated infinitely up to an angle of 360 ° along the X-axis direction. to be.
- the speed dome camera can generate infrared light as the shooting light of the lens part by placing a plurality of infrared R) LEDs along the circular shape of the lens on the lens side of the camera so that the surveillance function can be normally used at night. To make it work.
- the surveillance camera to which the speed dome camera is applied is fixedly mounted on the ceiling or wall of a building, and is a dome type camera with a protective transparent hemisphere installed on a main body housing in which various motors and circuit boards are installed.
- the site where the camera driving body is projected can be protected by a protective transparent hemisphere.
- some LED mounting portions of the infrared LEDs generally disposed along the circular shape of the camera lens portion are transparent when the rotation angle in the vertical direction for adjusting the angle of view of the camera lens portion is transparent.
- the case of moving to the inside of the main body housing occurs.
- diffused reflection is caused by the strong infrared light reflected on the surveillance image.
- the area to be monitored must be limited because the operating range of the camera must be narrowed to avoid diffuse reflection.
- the present invention is to solve the above-mentioned problems, the object is to secure a wide angle of view by removing the diffuse reflection section of the infrared LED according to the rotational movement of the camera lens unit in the surveillance camera applied night vision infrared LED light It is to provide an anti-reflective device for shooting light of surveillance cameras.
- the clockwise / counterclockwise rotation drive of the lens unit bracket including the lens unit, the vertical rotation drive of the vertical rotation bracket, the clockwise / counterclockwise of the horizontal rotation bracket
- a plurality of infrared LEDs are installed at regular intervals along a circular ring shape, and the vertical rotation bracket is vertically mounted.
- An LED lighting unit having a blocking area in which an infrared LED is not installed in accordance with a section entering into the main body housing when the maximum angle is rotated by rotational driving;
- the LED lighting unit is fixedly accommodated therein, and is rotated in a clockwise / counter-clockwise direction horizontally so that a blocking area formed in the LED lighting unit enters the main body housing during multiaxial engagement for surveillance shooting of the camera body.
- Shooting tank of the surveillance camera characterized in that configured to include a lighting bracket Provides anti-reflective devices.
- FIG. 1 is an exploded perspective view showing the structure of a four-axis monitoring camera applied to the shooting illumination diffuse reflection prevention apparatus according to the present invention.
- Figure 2 is a perspective view showing a four-axis driving state of the surveillance 4-axis camera to which the present invention is applied.
- Figure 3 is a view showing a state in which the surveillance 4-axis camera to which the present invention is applied is fixedly installed in the body housing.
- Figure 4 is a view showing a diffuse reflection prevention structure of the infrared LED lighting unit according to a preferred embodiment of the present invention.
- FIG. 5 is a view showing a state in which no reflection is prevented by the LED-free installation section of the LED lighting unit is located inside the main body housing according to a preferred embodiment of the present invention.
- FIG. 1 is an exploded perspective view showing the structure of a four-axis monitoring camera applied to the shooting illumination diffuse reflection prevention apparatus according to the present invention
- Figure 2 is a combined perspective view showing a four-axis driving state of the monitoring four-axis camera to which the present invention is applied. .
- the 4-axis camera for surveillance to which the photographing illumination diffuse reflection prevention device of the present invention is applied includes a lighting unit cover 10, a lighting unit bracket 12, and an infrared LED. And an illumination unit 14, a lens unit bracket 20, a lens unit 22, a lens holder 24, a vertical rotation bracket 28, a horizontal rotation bracket 30, and a base bracket 34.
- the infrared LED lighting unit 14 is formed in a circular ring shape. Except for some non-installation sections of the circular ring of the infrared LED lighting unit 14, a plurality of infrared LEDs 16 are fixedly installed at regular intervals.
- the upper part of the infrared LED lighting unit 14 is fitted with a lighting unit bracket 12 is fixed by a screw 18, the upper part of the lighting unit bracket 12 is fitted with a lighting unit cover 10 is fixed.
- the lighting unit bracket 12 is coupled to the infrared LED lighting unit 14 in a state where the 180 ° rotation in the clockwise / counterclockwise direction is horizontally coupled to the lower lens unit bracket 20.
- the lens unit bracket 20 accommodates the lens unit 22 in which the lens holder 24 is screwed therein and is fixedly coupled by the screw 26.
- the lens unit bracket 20 is coupled to the vertical rotation bracket 28 at the bottom so as to be able to rotate 360 ° in a clockwise / counterclockwise direction.
- the vertical rotation bracket 28 is rotatable by 80 ° vertically by both holder screws 32 and the two sides of the horizontal rotation bracket 30 while being rotatably coupled with the lens unit bracket 20. Is combined.
- the horizontal rotation bracket 30 is fitted to the base bracket 34 to be rotated 360 degrees in the clockwise / counterclockwise direction horizontally.
- the lighting unit bracket 12 is a single-axis rotation driving means, and is driven to rotate the infrared LED lighting unit 14 horizontally 180 ⁇ in a clockwise / counterclockwise direction.
- the lens bracket 20 is a two-axis rotation driving means, and the lens bracket 22 and the illumination bracket 12 including the infrared LED lighting 14 are horizontally rotated 360 degrees in a clockwise and counterclockwise direction.
- the vertical rotation bracket 28 is a three-axis rotation drive means, and vertically the lens unit bracket 20 including the lens unit 22 and the illumination unit bracket 12 including the infrared LED lighting unit 14.
- the rotational angle of 80 ° of the vertical rotation bracket 28 can be taken by the lens unit 22 when the camera body is fixedly installed and rotated in the main body housing. The angle considering the maximum angle of view.
- the horizontal rotation bracket 30 is a four-axis rotation drive means, the lens unit bracket 20 including the lens unit 22, the illumination unit bracket 12 including the infrared LED lighting unit 14 and With the vertical rotation bracket 28 as a single camera body, it is driven to rotate 360 degrees in the clockwise / counterclockwise direction horizontally on the base bracket 34.
- the monitoring unit includes a lighting unit 12, a lens unit bracket 20, a vertical rotation bracket 28, and a horizontal rotation bracket 30 as a single camera body.
- the camera body With the camera body fixedly mounted on the body housing 40, the camera body is installed to be exposed within the semi-circular transparent hemisphere 42, and the transparent hemisphere 42 allows the imaging of the surveillance area. Will be.
- the infrared LED lighting unit 14 installs each of the infrared LEDs at a predetermined interval along a circular ring shape, and the vertical rotation bracket 28 is the maximum angle that can be driven to rotate. Do not install the infrared LED (16) in the section corresponding to the blocking area (A) that enters the inside of the main body housing (40) when rotated to 80 ⁇ .
- the blocking area A is an area deviating from the horizontal position of the circular ring-shaped core portion from the horizontal position of the circular ring shape of the infrared LED lighting unit 14 from the horizontal position of the circular ring-shaped core part. Therefore, when each infrared LED 16 is constantly installed in the circular ring of the infrared LED lighting unit 14 at an angle of r2, the angle corresponding to the angle of rl is increased from the horizontal position of the central portion of the circular ring shape to a certain distance ⁇ .
- the infrared LED 16 is installed only to the area, and the infrared LED 16 is not installed in the blocking area A beyond the angle of rl.
- the predetermined distance (t) is to have a spacing within 13.2 ⁇ 15.2mm (preferably 142mm)
- the angle r2 is 17 ⁇ 13 It is preferable to set it to °, and the angle rl can be set to an angle of 25 to 30 ° range (preferably 27.0 °).
- the camera body fixedly installed in the main body housing 40 is rotated to 80 °, the maximum angle of the vertical rotation bracket 28, so that the infrared LED Even if some areas of the lighting unit 14 enter the interior of the body housing 40, the area entering the interior of the body housing 40 corresponds to the blocking area A without the infrared LEE 16 installed. The diffuse reflection by the LED light does not occur, so that the lens unit 22 can perform normal surveillance photography.
- the rotary projection 14 formed on the outer edge portion of the lighting unit bracket 12 and the first and second stoppers 20a and 20b formed on the outer edge portion of the lens unit bracket 20 are the infrared LED lighting units 14. ) Can be rotated within an angle of 180 °, so that the cable connected between the infrared LED 16 and the lens portion 22 is not twisted.
- the circular shape of the lens unit for night light of the lens unit By removing the LEDs of some sections from the plurality of infrared LEDs of the lighting unit arranged along the way, the section of the lighting unit from which the LED is removed is inserted into the main body housing when the camera rotates to drive the infrared LEDs generated when the camera rotates. Diffuse reflection can be completely removed to obtain a normal quality surveillance video In addition, the wider angle of view of the camera lens can be applied to the camera to eliminate surveillance blind spots.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Studio Devices (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180044591.7A CN103141088B (zh) | 2010-09-16 | 2011-09-09 | 防止利用监控摄像机拍摄用照明的漫反射的装置 |
US13/821,796 US20130169805A1 (en) | 2010-09-16 | 2011-09-09 | Device for preventing diffused reflection of lighting for photography using a monitoring camera |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2010-0091018 | 2010-09-16 | ||
KR20100091018 | 2010-09-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2012036438A2 true WO2012036438A2 (ko) | 2012-03-22 |
WO2012036438A3 WO2012036438A3 (ko) | 2012-05-10 |
Family
ID=45832080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2011/006729 WO2012036438A2 (ko) | 2010-09-16 | 2011-09-09 | 감시용 카메라의 촬영조명 난반사 방지 장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20130169805A1 (ko) |
KR (1) | KR101293484B1 (ko) |
CN (1) | CN103141088B (ko) |
WO (1) | WO2012036438A2 (ko) |
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- 2011-09-09 WO PCT/KR2011/006729 patent/WO2012036438A2/ko active Application Filing
- 2011-09-09 US US13/821,796 patent/US20130169805A1/en not_active Abandoned
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CN103618848B (zh) * | 2013-11-11 | 2016-09-14 | 成都市晶林电子技术有限公司 | 高速球监视仪 |
US20230157549A1 (en) * | 2020-04-23 | 2023-05-25 | Hypermed Imaging, Inc. | Portable hyperspectral imaging device |
Also Published As
Publication number | Publication date |
---|---|
CN103141088B (zh) | 2015-12-09 |
US20130169805A1 (en) | 2013-07-04 |
WO2012036438A3 (ko) | 2012-05-10 |
CN103141088A (zh) | 2013-06-05 |
KR101293484B1 (ko) | 2013-08-06 |
KR20120029321A (ko) | 2012-03-26 |
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