KR200285303Y1 - Cctv camera mounting infrared led - Google Patents

Abstract

The present invention relates to a CCTV camera with a far-infrared LED, wherein the lens unit and a circuit unit for converting and transmitting an image into a signal and supplying power are installed in a case, and an infrared LED having a plurality of infrared LEDs arranged in the lens unit. In the CCTV camera having a generation ring is mounted, and has a blocking ring that is inserted around the lens unit to block the light of the infrared LED is not transmitted to the lens, the front end of the blocking ring to the glass filter even if the position of the lens unit is changed A spring providing a resilience force to always be in close contact with the rear, and a heat dissipation member having a hole inserted into the center hole and the infrared LEDs inserted into the lens unit is formed, the infrared ray generator is fixed by screwing to the heat dissipation member The heat dissipation member is fixed to the lens focusing ring by screwing to adjust heat dissipation and focus. It characterized by being configured to.

The present invention has the above-described configuration, and absorbs and dissipates heat generated from the infrared LEDs by a heat dissipation member that fixes the infrared generator installed inside the surveillance camera to form a compact, or internal heat through the ventilation fan. To prevent damage to the equipment, and the blocking ring is always in close contact with the glass filter by the elasticity of the spring, which effectively blocks the light of the infrared LED, so that a clear image can be obtained. It is useful to improve.

Description

Camera for CCTV with Infrared LEDs {CCTV CAMERA MOUNTING INFRARED LED}

This design is installed in all indoors or outdoors such as general houses, department stores, banks, exhibition halls, spaces, etc. to prevent theft and to conveniently check the operating status of the machine, process flow and situation judgment. The present invention relates to a camera for infrared ray (CCD) equipped with an infrared LED (LED), so that an infrared LED (LED) is provided so that an object can be clearly photographed and transmitted at night and in a dark place.

General CCTV has been installed in a specific place and has been used for the purpose of monitoring the image from a remote place to monitor all situations. For this purpose, the image transmitter for transmitting the image and the signal transmitted from the image transmitter are received to the display device. The display unit may be provided, and the display unit may record a received image or output a specific screen.

Conventional CCTV cameras are classified into a general camera used in a place that maintains a predetermined brightness for monitoring time, and a camera having an infrared LED (hereinafter referred to as LED) used in a place where the brightness changes according to external conditions. It is used.

When the camera having the infrared LED falls below the set illuminance, the power is automatically supplied to the infrared LED to operate, and the infrared LED is provided to provide a more distinguishable image through the light generated from the infrared LED. R & D and dissemination of cameras having a trend is rapidly increasing.

However, the camera using the infrared illumination has a problem of damaging the interior of the camera by the heat generated from the infrared LED.

In order to solve the above problems, Korean Utility Model Publication No. 1994-0001665 (Application No. 1992-0011203) "Infrared Lamp Attached Closed Circuit Camera" is equipped with an infrared lamp or LED externally and in the set illumination range It is configured to be turned on and off to prevent unnecessary power consumption and damage to the camera due to high heat, so heat generated from the infrared lamp or LED can be released to the outside to prevent damage to the camera. Due to protruding to the outside, frequent failures due to leakage, the volume is large, there are a lot of parts, the assembly process is difficult.

In addition, the Korean Utility Model Publication No. 20-0232668 "Camera that suppresses the smog phenomenon of the glass filter" in order to prevent the leakage, compactization and damage caused by heat, as shown in FIG. The LED board module 900 is mounted inside the housing 200, and the cover 300 is inserted into the cover 300 by inserting the glass filter 500 between the packing 400 and the packing 600. In the camera fastened to the camera module 210, a fan-type small camera is mounted, a cylindrical tube-shaped insulation material 240 is inserted into the lens mount 220 outside of the camera module 210, The front surface of the insulation member 240 and the front surface of the lens mount 220 are made to contact the glass filter 500, the infrared light generated by the infrared LED 100 by the insulation member 240 is a glass filter 500 To be incident on the lens 230 by being diffusely reflected Heat generated from the infrared LED 100 does not affect the lens 230 and provides an effect of preventing smog from occurring in the glass filter 500 due to a temperature difference of heat generated from the infrared LED 100. I say it.

However, the thermal insulation material 240 may have the effect of temporarily blocking the heat of the infrared LED 100 that is directly transmitted to the lens mount 220, the heat of the infrared LED 100 generated inside the housing 200 Heat is generated in the infrared LED 100 by heat dissipation through the housing 200 which is sealed and is delivered to various parts such as the lens mount 220 and the housing 200 in contact with the outside to prevent leakage. There is a problem that the heat radiation after affecting the various components. In addition, the mounting of the LED board module 900 formed by arranging a plurality of infrared LEDs 100 in a ring shape is a configuration in which a male screw and a female screw are assembled by the support 800 formed at both ends, and the support 800 is assembled to the LED. The assembly process is complicated because it is mounted through the step of assembling the board module 900 and the step of assembling the support 800 fixed to the LED board module 900 to the next support 800 or the housing 200. Due to the large quantity of parts, it is a cause of increase of manufacturing cost.

In addition, since the thermal insulation material 240 is a fixed sized single unit, when the gap between the glass filter 500 and the LED board module 900 is narrowed, the force compressed to the glass filter 500 during the assembly of the cover 300 is transmitted. If the space between the insulation member 240 is not in close contact with the glass filter 500, a space is formed therebetween, and heat and light of the infrared LED 100 are transmitted.

The present invention was devised to solve the conventional problems as described above, an object of the present invention, by absorbing and dissipating heat generated in the infrared LED through a heat radiation member formed with a plurality of grooves that can fit the infrared LED to other This is an assembly process that prevents the damage of parts, and the heat dissipation member with the infrared generating part is easily fixed to the lens focusing ring to improve the productivity and reduce the cost, as well as the infrared LED for the easy adjustment of the focus. To provide a camera.

In addition, another object of the present invention is to provide a camera for infrared cameras with an infrared LED to ensure that the blocking ring that is in close contact with the glass filter to ensure that the light of the infrared LED is not reflected to the lens to always be in close contact safely by the spring force. .

In addition, another object of the present invention is to increase the generation of heat by increasing the infrared LED for use in a wide range of places as well as the heat radiation member by installing a fan (FAN) additional heat to the ventilation path that rain water does not flow. It is to provide a CCTV camera with an infrared LED to prevent damage from heat by discharging.

The above object of the present invention, the lens unit for photographing the image, and the circuit unit for converting the image input from the lens unit to the signal transmission and power supply is installed inside the case formed, the infrared periphery of the lens unit CCTV that has a plurality of LEDs arranged infrared ray is mounted, the CCTV has a blocking ring to block the light so that the front end is in close contact with the glass filter mounted on the front of the case and the light of the infrared LED is not transmitted to the lens. In the camera for the front end of the blocking ring is provided with a spring to provide a resilience so that the contact always close to the glass filter, even if the position of the lens portion is changed, the center hole fitted into the lens portion and the infrared LED of the infrared generating portion A ring-shaped heat dissipation member having a plurality of insertion holes is formed to be inserted, and the insertion hole of the heat dissipation member The infrared camera with external LEDs is screwed to the heat dissipation member, and the heat dissipation member is screwed to the focusing ring of the lens unit. The CCTV camera with far infrared LED is configured to adjust heat dissipation and focus. Is achieved by.

In addition, the above object of the present invention is to form a conical shape of the heat radiation member that absorbs and radiates the heat of the infrared LED to increase the area, or generated from the infrared LED by the formation of the ventilation passage and the installation of the ventilation fan. This is achieved by CCTV cameras with infrared LEDs that can further enhance the cooling effect.

1 is an exploded perspective view of a camera for a CCTV with an infrared LED according to the present invention,

Figure 2 is an exploded perspective view showing another embodiment of the camera for the CCTV with an infrared LED according to the present invention,

Figure 3 is an exploded perspective view showing another embodiment of the camera for the CCTV attached to the infrared LED according to the present invention,

Figure 4 is a cross-sectional view showing a part of the camera for the CCTV attached to the infrared LED according to the present invention,

5 is a cross-sectional view taken along the line A-A of FIG.

Fig. 6 is an exploded perspective view showing a portion of a conventional CCTV camera attached with an infrared LED.

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

1: infrared LED 2,2 ': case

3: lens section 4: circuit section

5: infrared generator 6: glass filter

7: blocking ring 8: heat dissipation member

9: ventilation fan 10: bracket

11: angle adjusting member 71: spring

Hereinafter, described with reference to the accompanying drawings an embodiment of a CCTV camera with an infrared LED according to the present invention that can specifically implement the object as follows.

1 is an exploded perspective view of a CCTV camera with an infrared LED according to the present invention, 1 is an infrared LED, 2 and 2 'is a case, 3 is a lens, 4 is a circuit, 5 is an infrared generator, 6 is A glass filter, 7 is a blocking ring, 71 is a spring, and 8 is a heat radiating member.

The case (2, 2 ') is formed to be divided and coupled to each other by screwing, the front of the case (2) is provided so that the glass filter (6) to maintain the airtight by the sealing member, The lower part of the case 2 'is fastened to the other end of the angle adjusting member 11 fastened to the fixing bracket 10 to adjust the monitoring position.

In addition, the case 2 'is provided with a lens unit 3 for capturing an image, and a circuit unit 4 for converting an image input from the lens unit 3 into a signal, sending the image to a display unit, and supplying power. According to the rotation of the focus control ring 32 of the lens unit 3, the position of the lens 31 is moved forward and backward so that the object can be clearly photographed, and the outer peripheral part of the lens unit 3 is adjusted. Infrared generator 5 having a plurality of infrared LEDs 1 arranged in a space is arranged.

The heat dissipation member 8 includes a plurality of insertion holes 82 into which the center hole 81 into which the focus control ring 32 of the lens unit 3 is fitted and the infrared LEDs 1 of the infrared generating unit 5 are fitted. When the infrared LED 1 is inserted into the insertion hole 82, the infrared ray generating unit 5 is fixed to the rear surface of the heat dissipation member 8 by screw 14 coupling, and When the focus control ring 32 of the lens unit 3 is fitted into the center hole 81, the heat dissipation member 8 is coupled to the lens unit 3 through the screw 13 in a direction orthogonal in that state. It is made of fixed installation.

Therefore, the infrared ray generator 5 and the heat radiation member 8 are fixed very easily, and the infrared ray generator 5 is fixed to the heat radiation member 8. 8, the light emitted from the infrared LED 1 is irradiated forward and heat is absorbed and radiated by the heat dissipation member 8 itself, so that the infrared LED 1 Light and heat generated by the to prevent direct transmission to the lens unit 3 and the circuit unit 4 to prevent damage.

The blocking ring 7 is fitted around the lens unit 3 and the tip is in close contact with the glass filter 6 mounted at the front of the case 2 so that the light of the infrared LED 1 is transferred to the lens 31. It serves to block light so as not to be transmitted to, but one end is in contact with the heat dissipation member 8 and the infrared ray generating part 5 so that the front end of the blocking ring 7 is always in close contact with the glass filter 6 and the other end is An elastic spring 71 is interposed to contact the rear end of the blocking ring 7. The elastic spring 71 is compressed or returned when the position of the lens unit 3 is moved back and forth to narrow or widen the glass filter 6, and always the front end of the blocking ring 7 is cut by the glass filter 6. ) To close the light so that the light of the infrared LED (1) is not reflected to the lens 31.

As another embodiment of the present invention, as shown in Figure 2 attached to the heat dissipation member 8 in a conical shape to guide the light generated from the infrared LED (1) to the front toward the lens 31 In addition to preventing and increasing the heat absorption and heat dissipation effect through a larger area can be further improved.

As another embodiment of the present invention, in order to use in a wide range as shown in Figure 3 to increase the infrared LED (1) of the infrared generating section 5, and generated from the increased infrared LED (1) In order to effectively cool the heat to the rear of the case (2 ') so that rain water does not flow in the outer portion 21 through the lower portion and the inner portion 22 through the upper portion is formed through the ventilation passage (23), the The ventilation fan 9 is installed on the inner side 22 of the ventilation passage 23 so as to cool the heat generated from the infrared LED 1. As shown in FIG. 4, the ventilation fan 9 is installed in a state spaced approximately 5 to 10 mm apart from being in close contact with the ventilation passage 23, thereby introducing air introduced into the interior of the ventilation fan 9. Is transmitted to the infrared LED (1) and the heat dissipation member (8) and then sent out again by the ventilation fan (9), the vortex phenomenon as shown in Figure 5 in the space spaced from the ventilation passage (23) in the repeated process Since the heat exchange with the outside air is naturally generated, the internal temperature of the camera is kept constant while cooling to prevent damage to the parts.

In the drawing, reference numeral 12, which is not described, serves as a switch that supplies and cuts power to the infrared ray generator 5 as an illuminance sensor.

The following describes the assembly process and operation of the CCTV camera attached to the infrared LED of the present invention configured as described above.

First, the infrared LED 1 of the infrared ray generator 5 is inserted into the insertion groove 82 of the heat radiation member 8, and then the infrared ray generator 5 itself is screwed to the rear surface of the heat radiation member 8. Fixed by the combination, when the infrared LED 100 is fitted into the insertion groove 82, the focus control ring 32 of the lens unit 3 is fitted to the center hole 81 of the heat dissipation member (8) In this state, the heat dissipation member 8 itself is fixed to the focus control ring 32 by the screw 13. Then, an unillustrated wire capable of supplying power to the infrared LED 1 is provided in the circuit part 4. ), The spring 71 and the blocking ring 7 are inserted into the outside of the lens unit 3, and the separated front case 2 is coupled to the rear case 2 '. To install and use the assembled camera in the desired place.

When the camera is operated for monitoring, the object is photographed in a bright place and in the day when the operation of the infrared ray generator 5 is stopped and then sent to the display unit, and the illumination sensor 12 in a dark place, sunset or night. Sends a signal to the circuit section 4 to supply power to the infrared LED 1 of the infrared generating section 5.

When the situation is easily monitored by the operation of the infrared LED 1, the heat generated from the infrared LED 1 is absorbed and released by the heat radiating member 8, so that the heat generated from the infrared LED 1 It is prevented from being transmitted directly to the lens unit 3 or the circuit unit 4 to prevent damage.

On the other hand, when the light is irradiated from the infrared LED (1) by the spring 71 interposed between the blocking ring (7) and the lens portion (3) is the blocking ring that the tip is in close contact with the glass filter (6) (7) prevents the light of the infrared LED 1 from being reflected to the lens 31 so that interference does not occur in photographing of an object.

In addition, in the case of a camera having an infrared ray generating unit 5 in which the infrared LEDs 1 are arranged as shown in FIG. 3, a ventilation path 23 and a ventilation fan 9 formed at the rear of the case 2 'are used. The heat generated from the infrared LED 1 can be cooled more effectively, and the operation of the ventilation fan 9 is performed at the same time as the operation of the infrared LED 1 or by using an ordinary temperature sensor not shown. It should be noted that it can be configured to operate when raised above.

According to the present invention, the internal heat through a ventilation fan that absorbs and radiates heat generated from the infrared LED or is added by a heat radiation member that fixes the infrared generator having the infrared LED installed inside the surveillance camera, which is compact. Cooling can prevent damage to the equipment, and the blocking ring is always in close contact with the glass filter by the elasticity of the spring, effectively blocking the interference from the light of the infrared LED, so that a clear image can be obtained. Simple and easy to assemble, it is a useful design to improve productivity.

Claims (3)

The lens unit 3 for capturing an image and the circuit unit 4 for converting an image input from the lens unit 3 into a signal and supplying power and supplying power are installed in the case 2 and 2 '. And an infrared ray generator 5 having a plurality of infrared LEDs 1 arranged on an outer periphery of the lens unit 3, the front end of the case 2 being fitted around the lens unit 3. In the CCTV camera having a blocking ring (7) in close contact with the glass filter (6) mounted on the block to prevent light from being transmitted to the lens 31 of the infrared LED (1), The rear end of the blocking ring (7) is provided with a spring 71 for providing a resilient force so that the lens unit 3 is always in close contact with the glass filter 6 even if the position of the lens unit 3 is changed, A heat dissipation member 8 having a plurality of insertion holes 82 formed therein is formed to insert the center hole 81 inserted into the lens unit 3 and the infrared LEDs 1 of the infrared generating unit 5. The infrared generating unit 5 into which the infrared LEDs 1 are inserted into the insertion hole 82 of the heat dissipation member 8 is fixed to the rear surface of the heat dissipation member 8 by screwing, and the heat dissipation member 8 is the lens. CCTV camera with a far-infrared LED, characterized in that is configured to adjust the heat dissipation and focus is fixed by screw coupling to the focus control ring (32) of the part (3). The method of claim 1, The heat dissipation member (8) in which the insertion holes (82) into which the plurality of infrared ray LEDs (1) are inserted are perforated has a ring shape or a conical shape with a large heat dissipation area. The method according to claim 1 or 2, In order to prevent rainwater from flowing into the rear of the case 2 ', the outer portion 21 penetrates the lower portion and the inner portion 22 forms a ventilation passage 23 so as to communicate with the upper portion. CCTV camera with a far-infrared LED, characterized in that the ventilation fan (9) is installed on the inside (22) to cool the heat generated from the infrared LED (1).