Light leakage prevention structure of intelligent camera and intelligent camera
By using a combined structure of curved lenses and light shielding in the smart camera, the problem of infrared light leakage is solved, efficient imaging quality improvement and product appearance aesthetics are achieved, and the problem of light leakage affecting imaging in the existing technology is solved.
Patent Information
- Application Number
- CN202420869300.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-24
AI Technical Summary
When existing smart cameras use infrared lights to fill light in the night tracking and detection function, light leakage problems are prone to occur, which affects the image quality, and the existing isolation methods affect the product appearance.
Using a combined structure of curved lenses and light-shading parts, a camera and fill light are arranged on the inside of the curved lenses. The light is reflected inside the lenses, weakening the brightness of the light-shading parts and frames, and further reducing light leakage. The light-shading parts are made of silicone and Infrared light absorber, optimizes the light shading effect.
It effectively avoids light leakage from fill lights, improves the image quality of the camera, and maintains the aesthetics of the product.
Smart Images
Figure CN222262891U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of intelligent cameras, and in particular to an intelligent camera light leakage prevention structure and an intelligent camera. Background Art
[0002] With the continuous development and progress of current technology, smart homes have been widely used in life, and camera terminal products have also begun to enter the daily life of the public. Smart cameras can realize home monitoring, night tracking detection, and voice intercom. In order to realize the night tracking detection function, the camera needs to be able to fill in the light at night. The existing fill light method is to install infrared lights in the camera for fill light. However, infrared lights will leak light and cause infrared light to enter the lens, affecting the image quality of the camera.
[0003] In order to solve the above technical problems, in the prior art, as described in Chinese patent document CN2013101268304, a hollow annular light shielding member is provided between the infrared light board and the camera to isolate the infrared light and the lens, thereby preventing light leakage. However, this method physically isolates the infrared light, and requires the infrared light to be close to the camera and the camera to be exposed to the outside in order to achieve the light isolation effect. The camera exposure will affect the product appearance, so it has certain limitations. Utility Model Content
[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to propose an anti-light leakage structure for an intelligent camera to solve the problems mentioned in the above background technology section.
[0005] The utility model is realized by the following technical solutions:
[0006] A smart camera anti-light leakage structure comprises a curved lens, a camera is arranged on the inner side of the curved lens, a fill light is arranged on the side of the camera, and the light of the fill light is reflected back and forth inside the curved lens, thereby weakening the brightness of the light transmitted from the fill light to the camera position.
[0007] Furthermore, it also includes a shading piece, one end of which is attached to the camera, and the other end of which is attached to the curved lens.
[0008] Furthermore, the shading member is a tubular member, and the annular shading member is sleeved on the outer circumference of the camera.
[0009] Furthermore, the fill light is an infrared lamp, and the shading element is made of silicone material.
[0010] Furthermore, the fill light is an infrared lamp, the curved lens includes an outer surface and an inner surface, the outer surface of the curved lens is coated, and the inner surface of the curved lens is sprayed with infrared ink.
[0011] Furthermore, it also includes a frame, the curved lens is fixed to the frame, the frame is provided with a first clearance hole and a second clearance hole, the first clearance hole is used to make way for the camera, and the second clearance hole is used to change the light angle of the fill light.
[0012] Furthermore, the angle between the outermost light of the fill light toward the camera and the vertical light is 15° to 25°.
[0013] On the other hand, the utility model provides a smart camera, comprising a smart camera anti-light leakage structure as described in any one of the above items.
[0014] Furthermore, it includes a first shell and a second shell, the outer end surface of the first shell is provided with the curved lens, the first shell is provided with a first motor and a gear set, the upper end of the second shell extends to the first shell and is provided with a driven gear meshing with the gear set, and the gear set is driven by the first motor to rotate around the driven gear.
[0015] Furthermore, it also includes a base, the second shell is rotatably connected to the base, the second shell is provided with a second motor, and the output end of the second motor is connected to the base.
[0016] The beneficial effects of the utility model are: an anti-light leakage structure for an intelligent camera, comprising a curved lens, a camera is provided on the inner side of the curved lens, a fill light is provided on the side of the camera, and the light of the fill light is reflected back and forth inside the curved lens, thereby weakening the brightness of the light transmitted from the fill light to the camera position, thereby avoiding the light leakage of the fill light affecting the imaging quality of the camera. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the light leakage prevention structure of the intelligent camera of the utility model.
[0018] Figure 2 It is a stereogram of the intelligent camera of the utility model.
[0019] Figure 3 It is a partial exploded diagram of the intelligent camera of the utility model.
[0020] Figure 4 It is a three-dimensional diagram of the frame of the intelligent camera of the utility model.
[0021] Figure 5 It is a stereoscopic diagram of the curved lens of the smart camera of the utility model.
[0022] Figure 6 Another stereoscopic view of the curved lens of the smart camera of the present invention.
[0023] Figure 7 This is a central cross-sectional view of the intelligent camera of the present utility model.
[0024] The above drawings include the following reference numerals:
[0025] 1. Curved lens; 11. Outer surface; 12. Inner surface; 2. Camera; 3. Fill light; 4. Shading piece; 5. Frame; 51. First clearance hole; 52. Second clearance hole; 521. Shading area; 6. First shell; 61. First motor; 62. Gear set; 63. Infrared light board; 64. Main board PCB; 7. Second shell; 71. Second motor; 72. Driven gear; 8. Base; 81. Power PCB. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.
[0027] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.
[0028] Reference Figure 1As shown, a smart camera anti-light leakage structure includes a curved lens 1, a camera 2 is provided on the inner side of the arc of the curved lens 1, and a fill light 3 is provided on the side of the camera 2. Preferably, there are two fill lights 3 and they are symmetrically arranged on both sides of the camera 2. The light of the fill light 3 will be emitted in the direction of the curved lens 1. When the light is transmitted to the point where it can be received by the camera 2, it needs to be reflected back and forth multiple times in the curved lens 1 in advance. The multiple reflections can weaken the light intensity and increase the light path. By increasing the light path and weakening the light intensity as described above, the maximum lateral light leakage of the fill light 3 that can be captured by the camera 2 is weakened, so as to prevent the light leakage from affecting the imaging quality of the camera 2.
[0029] Among them, refer to Figure 1 As shown, the dotted line in the figure represents the schematic line of the light transmission path of the fill light 3, and the dotted line in the figure represents the field of view angle space that can be captured by the camera 2.
[0030] In order to further block the light leakage of the fill light 3, a shading piece 4 is also included. One end of the shading piece 4 is attached to the camera 2, and the other end of the shading piece 4 is attached to the curved lens 1. The light of the fill light 3 will be absorbed by the shading piece 4 after being reciprocated and reflected inside the curved lens 1, so that the light of the fill light 3 completely disappears in the imaging area of the camera 2.
[0031] In order to further improve the shading effect of the shading member 4 , the shading member 4 is preferably a tubular member, and the annular shading member 4 is sleeved on the outer circumference of the camera 2 , thereby achieving a shading effect on the outer sides of each position of the camera 2 .
[0032] When the fill light 3 is an infrared lamp, and the shading member 4 is made of a silicone material containing an infrared light absorber, the infrared light absorber can be, for example, the HSYP-01 infrared light absorber in the prior art, and the shading member 4 is made by mixing the infrared light absorber component in the silicone material, so that the shading member 4 has the ability to absorb infrared light sources, further improving the shading effect of the shading member 4. In addition, the shading member 4 is made of a soft material made of silicone, which can make it fit the curved lens 1 more closely, ensuring the shading effect of the shading member 4.
[0033] The fill light 3 is preferably an infrared lamp. The curved lens 1 includes an outer surface 11 and an inner surface 12. The outer surface 11 of the curved lens 1 is coated, and the inner surface 12 of the curved lens 1 is sprayed with infrared ink. The coating of the inner surface 12 of the curved lens 1 can reduce the reflected light on the lens surface and increase the light transmittance. The infrared ink is used to achieve the effect of reflecting other light and only transmitting infrared light. Through the cooperation of the two, the infrared light can be emitted through the curved surface to achieve the lighting function, and prevent other color light sources outside the smart camera 2 from passing through the curved lens 1 and affecting the imaging quality of the camera 2.
[0034] In order to fix the curved lens 1, a lens frame 5 is also included, and the curved lens 1 is fixed to the lens frame 5. The lens frame 5 is provided with a first clearance hole 51 and a second clearance hole 52. The first clearance hole 51 is used to make way for the camera 2, and a light shielding area 521 is set in the second clearance hole 52, so that the second clearance hole 52 changes the light angle of the fill light 3, limits the outermost light angle of the fill light 3, increases the number of reflections and reflection paths of the light of the fill light 3 in the curved lens 1, and further weakens the light brightness transmitted from the fill light 3 to the position of the camera 2.
[0035] Reference Figure 1 and Figure 4 As shown, by setting the position and range of the shading area 521, the angle between the outermost light of the fill light 3 toward the camera 2 and the vertical light is 15° to 25°, preferably as shown in FIG. Figure 1 20° shown.
[0036] On the other hand, the utility model provides a smart camera, comprising a smart camera anti-light leakage structure as described in any one of the above items.
[0037] Reference Figures 2 to 7 As shown, a smart camera further includes a first housing 6 and a second housing 7. The outer end surface of the first housing 6 is provided with a curved lens 1. The interior of the first housing 6 is fixed with a camera 2, a fill light 3 and a lens frame 5. A first motor 61 and a gear set 62 are provided in the first housing 6. The upper end of the second housing 7 extends to the first housing 6 and is provided with a driven gear 72 meshing with the gear set 62. The gear set 62 is driven by the first motor 61 to rotate around the driven gear 72. The above structure enables the camera 2 to rotate in the vertical direction.
[0038] The camera 2 further comprises a base 8, a second housing 7 is rotatably connected to the base 8, and the second housing 7 is provided with a second motor 71, and an output end of the second motor 71 is connected to the base 8. The camera 2 can rotate in the horizontal direction through the above structure.
[0039] In addition, an infrared lamp board 63 for mounting an infrared lamp and a mainboard PCB 64 are provided inside the first housing 6. The camera 2 is assembled to the mainboard PCB 64 by screws to realize image capture. A power supply PCB 81 is provided inside the base 8 to provide power for the first motor 61 and the second motor 71.
[0040] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A light leakage prevention structure for a smart camera, characterized in that: The invention comprises a curved lens (1), wherein a camera (2) is arranged on the inner side of the curved lens (1), and a fill light (3) is arranged on the side of the camera (2), and the light of the fill light (3) is reciprocatedly reflected inside the curved lens (1), thereby weakening the brightness of the light transmitted from the fill light (3) to the position of the camera (2).
2. The light leakage prevention structure of a smart camera according to claim 1, characterized in that: It also comprises a shading piece (4), one end of which is in contact with the camera (2), and the other end of which is in contact with the curved lens (1).
3. The light leakage prevention structure of a smart camera according to claim 2, characterized in that: The shading member (4) is a tubular member, which is sleeved on the outer circumference of the camera (2).
4. The light leakage prevention structure of a smart camera according to claim 2, characterized in that: The fill light (3) is an infrared lamp, and the light shielding member (4) is made of silicone material.
5. The light leakage prevention structure of a smart camera according to any one of claims 1 to 4, characterized in that: The curved lens (1) comprises an outer surface (11) and an inner surface (12); the outer surface (11) of the curved lens (1) is coated, and the inner surface (12) of the curved lens (1) is sprayed with infrared ink.
6. The light leakage prevention structure of a smart camera according to any one of claims 1 to 4, characterized in that: The invention also comprises a lens frame (5), the curved lens (1) being fixedly connected to the lens frame (5), the lens frame (5) being provided with a first clearance hole (51) and a second clearance hole (52), the first clearance hole (51) being used to make way for the camera (2), and the second clearance hole (52) being used to change the light angle of the fill light (3).
7. The light leakage prevention structure of a smart camera according to any one of claims 1 to 4, characterized in that: The included angle between the outermost light of the fill light (3) directed toward the camera (2) and the light in the vertical direction is 15° to 25°.
8. A smart camera, characterized in that: It comprises an anti-light leakage structure for an intelligent camera as described in any one of claims 1 to 7.
9. The smart camera according to claim 8, characterized in that: The invention also comprises a first housing (6) and a second housing (7), wherein the outer end surface of the first housing (6) is provided with the curved lens (1), a first motor (61) and a gear set (62) are arranged in the first housing (6), and the upper end of the second housing (7) extends to the first housing (6) and is provided with a driven gear (72) meshing with the gear set (62), and the gear set (62) is driven by the first motor (61) to rotate around the driven gear (72).
10. The smart camera according to claim 9, characterized in that: It also comprises a base (8), the second housing (7) being rotatably connected to the base (8), the second housing (7) being provided with a second motor (71), and the output end of the second motor (71) being connected to the base (8).