KR20060098496A - Surveillance camera device having infrared led - Google Patents

Abstract

Infrared illumination monitoring camera device of the present invention is to implement a high-resolution image by blocking the infrared light reflected from the front window toward the camera lens, an infrared light emitting diode (LED), a camera, the infrared LED and the camera A front window provided in front of the, one side is in close contact with the front window and the other side is in close contact with the lens of the camera, the front cover having the front window, and the front cover is coupled to the infrared LED and the camera It includes a rear cover to be built.

Infrared, LED, Sealing, Camera, Light Sensor

Description

Infrared Illumination Surveillance Camera Device {surveillance camera device having infrared LED}

1 is a front view of a state in which the front cover is removed from the infrared light surveillance camera apparatus according to an embodiment of the present invention.

2 is a cross-sectional view taken along the line A-A of FIG. 1 in a state that the front cover is coupled.

3 is an exploded perspective view of a sealing structure formed around a camera lens.

4 is a front view illustrating a blocking state of infrared rays diffusely reflected from the front window.

5 is a cross-sectional view illustrating a blocking state of infrared rays diffusely reflected from a front window.

* Description of the symbols for the main parts of the drawings *

1: infrared LED 3: camera

3a: camera lens 5: front window

5a: transparent part 7: sealing

7a: front frame 7b: side frame

9: front cover 11: rear cover

13: light sensor 15: camera module

17: mounting boss 19: mounting screw

21: detection sensor

The present invention relates to an infrared light surveillance camera device, and more particularly, to an infrared light surveillance camera device for realizing a high-resolution image by blocking the infrared light diffused from the front window toward the camera lens.

In general, closed circuit television (CCTV) systems are installed in homes, department stores, banks, and exhibition halls to monitor disasters such as unauthorized intrusions, theft or fires, thereby preventing such emergency situations. In the event of an emergency, it is possible to respond quickly. Surveillance camera systems are also installed in factories and the like to monitor the operating status of the machine or process flow, enabling inspection thereof.

The surveillance camera system is a television system that targets a specific receiver and transmits an image through a closed circuit, and is connected by wire or wirelessly from a transmission image to a reception image.

The system allows for the effective management of multiple surveillance areas with a small number of people. That is, each surveillance camera device installed in each surveillance area photographs each surveillance area to be managed and transmits the video signal, and allows a small number of persons to check each surveillance area through a plurality of monitors installed in a predetermined place. The system can also record a desired scene using a video cassette recorder (VCR) if necessary.

In addition, since the surveillance function may be weakened at a place where it is impossible to check objects at night or when there is no light, the surveillance camera device used in such a surveillance area is provided with a lighting means. In other words, the surveillance camera device shoots the subject by irradiating the subject with infrared rays.

The infrared light surveillance camera device uses an infrared lamp or an infrared light emitting diode (LED) as a luminaire, and an infrared LED having a low power consumption and a small power is mainly used as compared to an infrared lamp having a disadvantage of high power consumption and bulkiness. have.

The infrared light surveillance camera device includes a camera module having a camera and an infrared LED and an optical sensor, a rear cover and a front cover in which the camera module is integrated and coupled to each other, and are provided in front of the camera lens of the front cover and are generated from the infrared LED. And a front window for transmitting the infrared rays and the infrared rays reflected from the subject.

Since the infrared illumination surveillance camera device typically mounts a camera module on the rear cover, a considerable distance is formed between the camera lens and the front window, and in the front window, the infrared light emitted from the infrared LEDs provided around the camera is Since it is diffusely reflected, this diffusely reflected infrared rays are introduced into the camera lens, causing halo, which causes a problem of realizing low resolution images.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object thereof is to provide an infrared illumination surveillance camera device that implements a high resolution image by blocking infrared rays that are diffusely reflected from the front window toward the camera lens.

Infrared illumination monitoring camera apparatus according to an embodiment of the present invention, an infrared light emitting diode (LED), a camera, a front window provided in front of the infrared LED and the camera, one side of the front window is in close contact with the other side It includes a sealing in close contact with the lens of the camera, a front cover having the front window, and a rear cover coupled to the front cover to incorporate the infrared LED and the camera.

Preferably, the infrared LED is provided around the camera.

The camera is mounted to the corresponding side front cover of the front window.

The camera forms a camera module together with an optical sensor for setting a reference illuminance.

The camera module is mounted to a mounting boss which protrudes toward the rear cover on the front cover corresponding side front cover.

The sealing is preferably formed of a rubber ring having elasticity.

The sealing includes a front frame covering the front outer edge of the camera lens, and a side frame extending from the front frame and covering the side of the lens.

The front frame of the seal is in close contact with the front window, the side frame of the seal is in close contact with the side of the lens, and the camera module is in close contact with the mounting hole of the corresponding front cover.

In addition, the infrared light surveillance camera apparatus of the present invention includes a detector for detecting a subject entering the detection area.

Advantages and advantages of the present invention will be more apparent from the following detailed description based on the accompanying drawings.

FIG. 1 is a front view of a state in which a front cover is removed from an infrared light surveillance camera apparatus according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view taken along line A-A of FIG.

Referring to these drawings, the infrared light surveillance camera apparatus according to the present embodiment is an infrared light emitting diode (LED) 1, the camera 3, the front window 5, the sealing (7), the front cover (9), And a rear cover 11.

The infrared LED 1 is turned on or off according to the illumination of the surveillance area, so that at night when the illumination is low, the infrared LED is irradiated toward the front of the camera 3, that is, the projectile, so that the subject can be captured in a clear image at night. do.

The infrared LED 1 may be mounted at various positions with respect to the camera 3, but is provided in the outer part of the camera 3, so that some infrared LEDs 1 at a specific position may not operate at the end of their lifespan. It is preferable to enable infrared irradiation by the operation of another adjacent infrared LED 1.

The camera 3 is configured to capture an image of a subject located in the surveillance region as an image, and is operated while the infrared LED 1 is turned off or on in accordance with the illuminance of the surveillance region. Since the camera 3 may be a camera used in a general surveillance camera device, a detailed description thereof will be omitted.

The front window 5 is provided in front of the camera 3. The front window 5 has a transparent portion 5a, which transmits infrared rays reflected from the subject toward the camera lens 3a, thereby enabling the photographing of the subject. Therefore, this front window 5 and its transparent portion 5a are preferably provided on the front cover 9 facing the lens 3a of the camera 3.

This front cover 9 forms the front appearance of the camera device of this embodiment, and the rear cover 11 is combined with the front cover 9 to form the rear appearance of the camera device. The front cover 9 and the rear cover 11 may be formed and combined in various shapes. In this embodiment, a rigid coupling structure is illustrated in which the front cover 9 and the rear cover 11 are coupled, and are coupled once more using the mounting screw 19. The front cover 9 and the rear cover 11 are coupled to face each other to incorporate the above-described infrared LED 1 and the camera 3.

On the other hand, the surveillance camera device of the present invention is a number of the infrared LED (1) is arranged around the camera 3 in a large number of irradiated infrared light, it is diffusely reflected in the front window 5, the lens 3a of the camera 3 It is necessary to block the infrared rays reflected by). Therefore, it is preferable that the camera lens 3a be arranged in such a way that it is possible to be shielded from infrared rays which are diffusely reflected from the front window 5.

To this end, this camera 3 is mounted on the corresponding front cover 9 of the front window 5, thereby minimizing the distance between the camera lens 3a and the front window 5, thereby reducing this gap. Through this, the infrared rays reflected by the lens 3a can be blocked as much as possible.

The camera 3 is mounted to the front cover 9 by forming a camera module 15 together with the optical sensor 13. This camera module 15 is mounted to a mounting boss 17 formed on the front cover 9. This mounting boss 17 protrudes toward the rear cover 11 at the front cover 9 corresponding to the front window 5. By mounting the camera module 15 to the mounting boss 17 and mounting it with the mounting screw 19, the camera 3 is mounted on the front cover 9 corresponding side to the front window 5.

The optical sensor 13 sets reference illuminance. Therefore, when the illuminance of the monitoring area does not reach the reference illuminance set in the optical sensor 1, the camera module 15 operates the camera 3 in the state of irradiating infrared rays by operating the infrared LED 1 on, and monitoring When the illuminance of the region reaches the reference illuminance set in the optical sensor 1, the camera module 15 operates the camera 3 with the infrared LED 1 turned off. As such, by providing the light sensor 13 and the infrared LED 1, the surveillance camera device of the present invention can photograph the subject invading into the surveillance region even during the day and night.

On the other hand, the sealing 7 is in close contact with one side of the front window (5) and the other side is in close contact with the lens 3a of the camera (3). As the seal 7 is provided around the lens 3a, the infrared light 1 is irradiated from the infrared LED 1 to block the reflection of the infrared light diffused from the front window 5 to the lens 3a. In addition, the sealing 7 is preferably formed of a rubber ring having elasticity in order to absorb external force between the lens 3a and the front window 5 and to form a tighter airtight structure.

This seal 7 is formed including a front rim 7a and a side rim 7b as shown in FIG. The front frame 7a covers the front outer edge of the camera lens 3a, and the side frame 7b is formed to extend from the front frame 7a to cover the side surface of the lens 3a.

Thus, the front frame 7a of the seal 7 is in close contact with the front outer edge of the lens 3a to the inside thereof and the front window 5 with the outside thereof, and the side frame 7b is in contact with the lens 3a inside thereof. ), The camera module 15 is mounted to the mounting boss 17 of the front cover 9 corresponding to the outside thereof.

When the subject is detected at night when the illuminance of the surveillance area is lower than the standard illuminance, the camera module 15 is turned on by the infrared LED 1 so that the camera 3 photographs the subject while irradiating the subject with infrared rays.

4 and 5, infrared rays that are diffusely reflected from the front window 5 of the infrared rays emitted from the infrared LED 1 and are directed toward the lens 3a are blocked by the sealing 7. As a result, only infrared rays through the front window 5 corresponding to the front of the camera lens 3a are incident on the lens 3a. In this way, the camera 3 realizes an image of a subject in high resolution.

This surveillance camera device preferably further comprises a detector 21 for controlling the operation of the infrared LED 1 and the camera 3 described above. The detector 21 is preferably provided inside the front cover 9 and the rear cover 11 which are mutually coupled. In addition, the detector 21 is configured to detect an intruder or a subject in the surveillance area, and may be formed as a normal hot wire detector.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited thereto, and various modifications and changes can be made within the scope of the utility model registration claims, the detailed description of the invention, and the accompanying drawings. Naturally, it is within the scope of the present invention.

Thus, according to the infrared light surveillance camera device of the present invention, by providing a sealing between the circumference of the camera lens and the corresponding front window, by blocking the reflection of infrared rays irradiated by the infrared LED and reflected from the front window to the camera lens , To prevent the halo caused by the diffusely reflected infrared rays, thereby resulting in a high-resolution image.

Claims (10)

Infrared light emitting diodes (LEDs), camera, A front window provided in front of the infrared LED and the camera, One side is in close contact with the front window and the other side is in close contact with the lens of the camera, A front cover having said front window, and And a rear cover coupled to the front cover to incorporate the infrared LED and the camera. The method according to claim 1, The infrared light surveillance camera device is provided with a plurality of infrared LED around the camera. The method according to claim 1, And the camera is mounted on the corresponding front cover of the front window. The method according to claim 3, And the camera is configured to form a camera module together with an optical sensor for setting a reference illuminance. The method according to claim 4, And the camera module is mounted to a mounting boss protruding toward the rear cover on the front cover corresponding side front cover. The method according to claim 1, The sealing is an infrared illumination surveillance camera device is formed a rubber ring. The method according to claim 1, And the sealing includes a front frame covering a front outer edge of the camera lens and a side frame extending from the front frame and covering the side of the lens. The method according to claim 7, The front frame of the seal is in close contact with the front window, the side frame of the seal is in close contact with the side of the lens, and the camera module is mounted to the mounting boss of the front cover. The method according to claim 1, Infrared illumination surveillance camera comprising a detector for detecting a subject entering the detection area. The method according to claim 9, The detector is an infrared illumination surveillance camera formed of a hot wire detector.

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