Lens structure with high heat dissipation efficiency

Abstract

The utility model relates to the technical field of vehicle-mounted cameras, in particular to a lens structure with high heat dissipation efficiency, which comprises a lens barrel and a lens arranged at the front end of the lens barrel, a plurality of groups of heat dissipation fins are arranged on the side wall of the lens barrel, one end of each heat dissipation fin extends inwards into the inner side of the lens barrel, and the other end of each heat dissipation fin extends out of the outer side of the lens barrel. According to the utility model, heat inside the lens barrel can be effectively dissipated to the outside through the heat conduction performance of the plurality of groups of radiating fins, and meanwhile, the heat on the radiating fins can be accelerated to be dissipated to the outside environment by airflow generated when the fan blades rotate, so that the radiating effect of the radiating fins is further improved, and the service life of the lens barrel is prolonged. Therefore, the lens structure has good heat dissipation performance, and heat in the lens structure can be quickly dissipated to the external environment through the plurality of groups of heat dissipation fins, so that the technical problem of low heat dissipation efficiency of a chip at the front end of the camera caused by blocking of the lens barrel is solved, overheating of the chip is avoided, and normal use of the camera is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle camera technical field, specifically, relate to a lens structure that heat dissipation efficiency is high. BACKGROUND

[0002] In today's rapid development of automobile electronic technology and security technology, vehicle camera becomes indispensable hardware of traffic safety, and the device can present video and audio functions in real time for us traffic accident processing and positioning provides more scientific basis, and our property and life safety has been fully guaranteed.

[0003] The chip of the front end of the vehicle camera generates certain heat when running, however the front end of the vehicle camera is usually installed with a lens, and the existing lens is usually a closed structure, therefore the heat dissipation efficiency of the chip of the front end of the camera is low under the blocking effect of the lens, and the chip of the vehicle camera is prone to overheating in the use process, thereby causing the performance of the camera to decline and affecting the normal use. UTILITY MODEL CONTENT

[0004] The utility model provides a lens structure that heat dissipation efficiency is high, solves the technical problem that the heat dissipation efficiency of the chip of the front end of the camera is low due to the blocking of the lens in the prior art.

[0005] In view of the above problems, the technical scheme provided by the utility model is:

[0006] A lens structure that heat dissipation efficiency is high, including lens barrel and the lens piece of installing in the front end of lens barrel, the lateral wall of lens barrel is provided with multiple groups of fin, and one end of the fin is inwardly inserted into the inside of the lens barrel, and the other end of the fin is outwardly extended from the outside of the lens barrel, and the fin is located at the rear end position of the lens piece, and the lens barrel is provided with a mounting cavity, and a micro motor is mounted in the inside of the mounting cavity, and a gear is connected to one end of the output shaft of the micro motor, and a group of fan blades are rotatably connected to the outer surface of the lens barrel through a bearing, and a gear ring is sleeved on the surface of the fan blade and engaged with the gear, and the fan blade is located at the rear end position of the fin.

[0007] Further, the fin is made of copper or aluminum material, and a corrosion-resistant coating is arranged on the surface of the fin.

[0008] Further, a threaded joint is arranged at the rear end of the lens barrel, and is threadedly connected with the mounting groove of the front end of the camera.

[0009] Further, a dust screen is arranged at the front end of the mounting cavity, and the dust screen is wrapped on the outside of the fin.

[0010] Further, the rear end of the lens barrel is provided with a sealing gasket, which is matched with the sealing groove of the front end of the camera.

[0011] Further, a plurality of groups of the radiating fins are annularly and equidistantly distributed around the side wall of the lens barrel.

[0012] Compared with the prior art, the beneficial effects of the lens structure are as follows: the heat conduction performance of the plurality of groups of radiating fins can effectively dissipate the heat in the lens barrel to the outside, at the same time, the airflow generated when the fan blades rotate can accelerate the dissipation of the heat on the radiating fins to the outside environment, thereby further improving the heat dissipation effect of the radiating fins, so that the lens structure has good heat dissipation performance, the heat in the lens structure can be quickly dissipated to the outside environment through the plurality of groups of radiating fins, thereby solving the technical problem of low heat dissipation efficiency of the chip at the front end of the camera caused by the blocking of the lens barrel, avoiding overheating of the chip, and ensuring the normal use of the camera. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0014] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0015] Figure 2 It is a schematic diagram of the internal structure of the mounting cavity in the present application;

[0016] Figure 3 It is a sectional view of the lens barrel and the threaded joint in the present application;

[0017] Figure 4 It is a schematic diagram of the structure of the fan blades and the tooth ring in the present application.

[0018] In the figure: 1, lens barrel; 2, lens; 3, radiating fin; 4, mounting cavity; 5, micro motor; 6, gear; 7, fan blade; 8, tooth ring; 9, threaded joint; 10, dust screen; 11, sealing gasket. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-4 A lens structure with high heat dissipation efficiency, comprising a lens barrel 1 and a lens 2 installed at the front end of the lens barrel 1, a plurality of heat dissipation fins 3 are arranged on the side wall of the lens barrel 1, one end of the heat dissipation fin 3 extends inward into the inside of the lens barrel 1, the other end extends out of the outside of the lens barrel 1, and the heat dissipation fin 3 is located at the rear end position of the lens 2, the heat dissipation fin 3 is made of copper or aluminum material, which has good heat conduction performance, so that the heat inside the lens barrel 1 can be conducted to the outside through the heat dissipation fin 3, a plurality of heat dissipation fins 3 are arranged around the side wall of the lens barrel 1 in a ring shape, a certain gap is left between the adjacent two groups of heat dissipation fins 3, which can fully contact with the air inside and outside the lens barrel 1, so as to ensure the heat dissipation effect of the plurality of heat dissipation fins 3, the lens barrel 1 is provided with a mounting cavity 4, a micro motor 5 is installed in the inside of the mounting cavity 4, a gear 6 is connected to one end of the output shaft of the micro motor 5, a power module for supplying power to the micro motor 5 is arranged in the inside of the mounting cavity 4, the micro motor 5 will drive the gear 6 to rotate after being powered on, a group of fan blades 7 are rotatably connected to the outer surface of the lens barrel 1 through bearings, a gear ring 8 engaged with the gear 6 is sleeved on the surface of the fan blade 7, the fan blade 7 is located at the rear end position of the heat dissipation fin 3, when the gear 6 rotates, it will drive the gear ring 8 engaged therewith to rotate, at this time, the gear ring 8 will drive the fan blade 7 to rotate, and the fan blade 7 will generate airflow blowing to the plurality of heat dissipation fins 3 during rotation, so that the part of the heat dissipation fin 3 leaking outside the lens barrel 1 can be quickly cooled.

[0022] When the lens barrel 1 is installed at the front end of the camera, the heat emitted from the chip at the front end of the camera can enter the inside of the lens barrel 1, and the heat in the lens barrel 1 can be effectively dissipated to the outside through the heat conduction performance of the plurality of groups of heat dissipation fins 3. At the same time, the fan blades 7 can be driven to rotate through the transmission of the gear 6 and the gear ring 8 after the micro motor 5 is started. The airflow generated by the gear ring 8 can accelerate the heat dissipation of the heat dissipation fins 3 to the outside environment, thereby further improving the heat dissipation effect of the heat dissipation fins 3. Therefore, the lens structure has good heat dissipation performance, so that the heat in the lens structure can be quickly dissipated to the outside environment through the plurality of groups of heat dissipation fins 3, thereby solving the technical problem of low heat dissipation efficiency of the chip at the front end of the camera due to the blocking of the lens barrel 1, avoiding overheating of the chip, and ensuring the normal use of the camera.

[0023] Further, please refer to Figures 1-4 The rear end of the lens barrel 1 is provided with a threaded joint 9 which is threadedly matched with the mounting groove at the front end of the camera. By aligning the threaded joint 9 at the rear end of the lens barrel 1 with the mounting groove at the front end of the camera and rotating and screwing, the lens barrel 1 can be integrally installed and connected at the front end of the camera.

[0024] Further, please refer to Figures 1-4 The front end of the mounting cavity 4 is provided with a dust screen 10 which is wrapped outside the heat dissipation fins 3. The dust screen 10 can prevent the dust in the outside environment from contacting the heat dissipation fins 3, and prevent the dust from accumulating in the gap between the heat dissipation fins 3 to affect the heat dissipation effect.

[0025] Further, please refer to Figures 1-4 The rear end of the lens barrel 1 is provided with a sealing gasket 11 which is matched with the sealing groove at the front end of the camera. When the lens barrel 1 is installed at the front end of the camera, the sealing gasket 11 can extend into the sealing groove at the front end of the camera, so as to enhance the tightness of the connection between the lens barrel 1 and the front end of the camera, reduce the installation gap therebetween, and further prevent the water vapor in the outside environment from entering the lens barrel 1.

[0026] Further, the surface of the heat dissipation fins 3 is provided with a corrosion-resistant coating, which can effectively prevent the heat dissipation fins 3 from rusting, and further prevent the surface of the heat dissipation fins 3 from being affected by rust to affect the heat conduction effect.

[0027] The above is only a preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A lens structure with high heat dissipation efficiency, comprising a lens barrel (1) and a lens (2) mounted at the front end of the lens barrel (1), characterized in that, The side wall of the lens barrel (1) is provided with a plurality of groups of heat dissipation fins (3), one end of the heat dissipation fins (3) extends inward into the inside of the lens barrel (1), the other end extends out of the outside of the lens barrel (1), and the heat dissipation fins (3) are located at the rear end position of the lens (2), the lens barrel (1) is provided with a mounting cavity (4), the inside of the mounting cavity (4) is mounted with a micro motor (5), one end of the output shaft of the micro motor (5) is connected with a gear (6), the outer surface of the lens barrel (1) is rotatably connected with a group of fan blades (7) through a bearing, the surface of the fan blades (7) is sleeved with a gear ring (8) engaged with the gear (6), and the fan blades (7) are located at the rear end position of the heat dissipation fins (3).

2. The lens structure with high heat dissipation efficiency according to claim 1, wherein The heat dissipation fins (3) are made of copper or aluminum material, and the surface of the heat dissipation fins (3) is provided with a corrosion-resistant coating.

3. The lens structure with high heat dissipation efficiency according to claim 1, wherein The rear end of the lens barrel (1) is provided with a threaded joint (9) which is threadedly matched with the mounting groove at the front end of the camera.

4. The lens structure with high heat dissipation efficiency according to claim 1, wherein The front end of the mounting cavity (4) is provided with a dust screen (10) which covers the outside of the heat dissipation fins (3).

5. The lens structure with high heat dissipation efficiency according to claim 1, wherein The rear end of the lens barrel (1) is provided with a sealing gasket (11) which is matched with the sealing groove at the front end of the camera.

6. The lens structure with high heat dissipation efficiency according to claim 1, wherein A plurality of groups of the heat dissipation fins (3) are annularly and equidistantly distributed around the side wall of the lens barrel (1).

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