Imaging device and camera
By setting a shading component in the multi-eye camera, the shading component follows the movement of the lens to adjust the fill light range, solving the problem of overexposure in night imaging and achieving high-quality imaging effects.
Patent Information
- Application Number
- CN202422901943.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-27
AI Technical Summary
When multiple cameras are imaging at night, the overlapping areas of the fill lights from adjacent lenses cause overexposure, affecting image quality.
By setting a shading component, the shading component moves along with the image acquired by the lens, adjusts the irradiation range of the fill light, and shields the repeated fill light area.
It avoids the overexposure problem caused by the overlapping fill light areas of adjacent fill lights, ensures the clarity and accuracy of the imaging, and improves the fineness and authenticity of the images captured by the lens.
Smart Images
Figure CN223450301U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to camera technology field especially relates to an imaging device and camera. BACKGROUND
[0002] In order to meet the requirement of higher field of view and picture quality, save installation manpower and accessory cost, binocular, four cameras or more camera linkage scheme camera has flowed into the market, for the camera of multi camera scheme, in order to improve the imaging effect at night, the mainstream scheme in the market is to equip one or more light supplement lamps for each lens, but in order to ensure the continuity of picture, there is part common imaging area between two adjacent lenses, therefore the illumination range of light supplement lamp will also invade the adjacent lens, resulting in that the adjacent part area of lens is subjected to double illumination, in the imaging effect, the corresponding part will appear overexposure phenomenon, and the imaging quality will be poor. UTILITARY MODEL CONTENT
[0003] The first aspect of the utility model provides an imaging device to solve the exposure problem in the prior art, by setting the light shielding assembly, and making the light shielding assembly move correspondingly with the image obtained by the lens, the illumination range of the light supplement lamp can be adjusted, the repeated light supplement is shielded, thereby the overexposure problem caused by the overlapping light supplement area of adjacent light supplement lamps can be avoided.
[0004] The second aspect of the utility model provides a camera.
[0005] The imaging device provided by the utility model comprises:
[0006] At least two groups of imaging assemblies arranged at intervals, the imaging assembly comprising a lens and a light supplement lamp;
[0007] A light shielding assembly is arranged between the light supplement lamp and the light supplement lamp of the adjacent imaging assembly and can reciprocate towards the light supplement lamp, and the light shielding assembly is used for covering the light supplement lamp based on the image obtained by the lens.
[0008] According to the imaging device provided by the utility model, the light shielding assembly comprises:
[0009] A light shielding piece is arranged between the light supplement lamp and the light supplement lamp of the adjacent imaging assembly and can reciprocate towards the light supplement lamp, and the light shielding piece is used for covering the light supplement lamp based on the image obtained by the lens.
[0010] A horizontal moving component is connected with the light shielding piece, and the horizontal moving component is used for driving the light shielding piece to reciprocate towards the light supplement lamp.
[0011] The imaging device provided by the utility model has the light shielding assembly, and the light shielding assembly moves along with the image obtained by the lens, so that the irradiation range of the light supplementing lamp can be adjusted through the movement of the light shielding assembly, the repeated light supplementing is shielded, the overexposure problem caused by the overlapping light supplementing area of adjacent light supplementing lamps is avoided, the imaging clarity and accuracy are ensured, the imaging overexposure problem of multi-lens products caused by the light supplementing lamp turned on at night is fundamentally solved, and the image obtained by the lens is more delicate and real.
[0012] The light softening piece comprises ground glass or sulfuric acid paper.
[0013] The light shielding piece has an arc-shaped contour on the side facing the light supplementing lamp, and the shape of the arc-shaped contour is matched with the shape of the light supplementing lamp.
[0014] The light shielding assembly further comprises a heat conducting piece, one end of the heat conducting piece is connected with the light shielding piece, and the other end of the heat conducting piece is used for being connected with the front face of the imaging device.
[0015] The heat conducting piece comprises a graphite piece or a metal piece.
[0016] The horizontal moving component comprises:
[0017] A guide rod is arranged on at least one side of the light supplementing lamp, and the light shielding piece is sleeved on the guide rod.
[0018] A drive gear is arranged on one side of the light shielding piece, the light shielding piece is provided with a rack portion engaged with the drive gear, and the light shielding piece is adapted to reciprocally move along the length direction of the guide rod under the driving of the drive gear.
[0019] A drive motor is connected with the drive gear and used for driving the drive gear to rotate.
[0020] The two guide rods are oppositely arranged on two sides of the light shielding piece.
[0021] The camera provided by the utility model comprises the imaging device in any one of the preceding aspects.
[0022] In the imaging device provided by the utility model, the light shielding assembly is arranged, and the light shielding assembly moves along with the image obtained by the lens, so that the irradiation range of the light supplementing lamp can be adjusted through the movement of the light shielding assembly, the repeated light supplementing is shielded, the overexposure problem caused by the overlapping light supplementing area of adjacent light supplementing lamps is avoided, the imaging clarity and accuracy are ensured, the imaging overexposure problem of multi-lens products caused by the light supplementing lamp turned on at night is fundamentally solved, and the image obtained by the lens is more delicate and real. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical solutions of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0024] Figure 1 is a structural schematic diagram of the imaging device in one view angle provided by the embodiment of the present application.
[0025] Figure 2 is a structural schematic diagram of the imaging device in another view angle provided by the embodiment of the present application.
[0026] Figure 3 is one of the imaging schematic diagrams provided by the embodiment of the present application.
[0027] Figure 4 is the second imaging schematic diagram provided by the embodiment of the present application.
[0028] Figure 5 is the third imaging schematic diagram provided by the embodiment of the present application.
[0029] Figure 6 is the fourth imaging schematic diagram provided by the embodiment of the present application.
[0030] Signs:
[0031] 100: imaging assembly; 110: lens; 120: light supplement lamp; 200: light shielding assembly; 210: light shielding piece; 211: rack part; 220: horizontal moving part; 221: guide rod; 222: driving gear; 230: heat conduction piece. DETAILED DESCRIPTION
[0032] In order to make the purpose, technical solutions and advantages of the present application more clear, the following will combine the drawings in the present application to clearly and completely describe the technical solutions in the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.
[0033] In the description of the embodiments of the present application, it should be noted that unless specifically defined and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0034] In the embodiments of the present application, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or it only means that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or it only means that the horizontal height of the first feature is less than that of the second feature.
[0035] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.
[0036] Figure 1 is a structural schematic diagram of an imaging device in one view angle provided by the embodiment of the present application; Figure 2 is a structural schematic diagram of an imaging device in another view angle provided by the embodiment of the present application.
[0037] Referring to Figure 1 and Figure 2In the optional embodiment of the utility model, imaging device includes shading assembly 200 and at least two groups of imaging assembly 100 that are spaced, imaging assembly 100 includes lens 110 and light supplement lamp 120, in this embodiment, two imaging assembly 100 are spaced along the front face of imaging device transversely, and light supplement lamp 120 is below lens 110;Shading assembly 200 is located between light supplement lamp 120 and the light supplement lamp 120 of adjacent imaging assembly 100, and shading assembly 200 can reciprocate along the connecting direction of two light supplement lamps 120, the movement of shading assembly 200 is controlled by control assembly (not shown in the drawing), and control assembly is connected with lens 110, when lens 110 obtains image, will pass image to control assembly, and control assembly will control the movement of shading assembly 200 based on image, to realize the effective covering of light supplement lamp 120.
[0038] In the optional embodiment of the utility model, a group of shading assembly 200 can be arranged between the adjacent two light supplement lamps 120, or two groups of shading assembly 200 can be arranged, when two groups of shading assembly 200 are arranged, two groups of shading assembly 200 can correspond to two light supplement lamps 120 respectively, and specifically, adaptive setting can be carried out according to actual conditions.It needs to be explained that the setting of lens 110 and light supplement lamp 120 can be adaptively adjusted by referring to prior art, in addition, imaging assembly 100 can also be arranged in multiple groups, and this paper takes binocular imaging device, that is, imaging device including two imaging assembly 100 as an example to illustrate, in multi-view imaging device, shading assembly 200 can be adaptively set by referring to the embodiment, and specifically, this paper will not be described one by one here.
[0039] In the optional embodiment of the utility model, the movement mode of shading assembly 200 can also be rotation, in this case, shading assembly 200 can reciprocate around a certain preset point above or below light supplement lamp 120, which is similar to the aforementioned reciprocating movement along a straight line, and the swing of shading assembly 200 is also controlled by control assembly, and the position of preset point can be adaptively selected according to actual conditions, so as to realize the effective covering of light supplement lamp 120.
[0040] Figure 3 It is one of imaging schematic diagrams provided by the utility model embodiment; Figure 4 It is the second imaging schematic diagram provided by the utility model embodiment; Figure 5 It is the third imaging schematic diagram provided by the utility model embodiment; Figure 6 It is the fourth imaging schematic diagram provided by the utility model embodiment.
[0041] Refer to Figures 3 to 5 This paper takes shading assembly 200 reciprocating along the connecting line of two light supplement lamps 120 for detailed description;For example Figure 3As shown in the figure, the two gray circular areas in the figure represent the light supplementing areas of the two adjacent light supplementing lamps 120, and the rectangular box in the figure represents the imaging range of the lens 110; as Figure 3 shown in the figure, the light supplementing areas of the two light supplementing lamps 120 will have an overlapping part, which will cause overexposure of the imaging of the lens 110; as shown in the figure, Figure 3 the imaging of the lens when the light shielding assembly 200 does not cover the light supplementing lamps 120; Figure 4 、 Figure 5 and Figure 6 are respectively the imaging of the lens when the light shielding assembly 200 covers the light supplementing lamps 120 in different situations; in this embodiment, the lens 110 will transmit the collected image to the control device, and the control device will realize the control of the light shielding assembly 200 according to the following method.
[0042] Step 1: Take the gray scale of the picture.
[0043] Specifically, take the brightness of the picture, output a gray picture, which can be processed according to Gray=0.299*R+0.587*G+0.114*B.
[0044] Step 2: Process the picture by high-pass filtering to show the outline of the gray image in the picture.
[0045] High-pass filtering is to subtract the average brightness value of the surrounding from the brightness value of a single pixel, which can show the outline of the gray image, as shown in Figure 4 and Figure 5 .
[0046] Step 3: Scan and identify the outline of the gray image, if there is an obvious arc in the gray image (as shown in Figure 4 and Figure 5 ), drive the light shielding assembly 200 to move accordingly; if there is no obvious arc in the gray image (as shown in Figure 6 ), do not perform any operation.
[0047] Specifically, if the arc outline in the gray image presents “first-before + again + again-after”, as shown in Figure 4 , then drive the light shielding assembly 200 to move towards the light supplementing lamp 120 to cover the light supplementing lamp 120; if the arc outline in the gray image presents “first + before-after + again-after + again”, as shown in Figure 5 , then drive the light shielding assembly 200 to move away from the light supplementing lamp 120 to reduce the covering of the light supplementing lamp 120, in this process, the light shielding assembly 200 can move back and forth under the control of the control assembly.
[0048] Step 4: When there is no obvious arc in the gray image (as shown in Figure 6As shown), fix the position of the shading component 200 relative to the fill light 120.
[0049] At this time, within the imaging range of the lens 110 in the image, there is neither an exposed area nor a dark area, which ensures the quality of the imaging.
[0050] See Figures 1 to 6 It can be understood that in the imaging device provided by the embodiment of the present invention, by providing a shading component 200 and making the shading component 200 move accordingly with the image captured by the lens 110, the irradiation range of the fill light 120 can be adjusted through the movement of the shading component 200 to shield repeated fill light, thereby avoiding the overexposure problem caused by the overlapping fill light areas of adjacent fill lights 120, ensuring the clarity and accuracy of the imaging, and fundamentally solving the problem of overexposure of the imaging caused by turning on the fill light 120 of multi-eye products at night, so that the picture captured by the lens 110 can be more delicate and realistic.
[0051] Compared with the wide dynamic range imaging method in the prior art, the imaging device provided by the embodiment of the present invention does not require the installation of additional hardware support, nor does it require the introduction of complex algorithms and multiple exposure technology. Therefore, it can greatly reduce the manufacturing cost of the imaging device, and also reduce the complexity and maintenance difficulty of the device.
[0052] Compared with the synchronous exposure method in the prior art, the imaging device provided by the embodiment of the present invention does not need to turn off the adjacent fill light 120 because the shading component 200 can cover the fill light 120 accordingly as the image is acquired. Therefore, a good fill light effect can always be guaranteed during the operation of the lens 110, and the problem of insufficient fill light that is prone to occur in the synchronous exposure method can be avoided. The imaging effect of the lens 110 can be improved, and the environmental adaptability of the imaging device can be improved.
[0053] Continue reading Figure 1 and Figure 2 In an optional embodiment of the present invention, the light shielding assembly 200 includes a light shielding sheet 210 and a transverse moving member 220. The light shielding sheet 210 is disposed between the fill light 120 and an adjacent fill light 120. The plane on which the light shielding sheet 210 is located is located outside the plane on which the fill light 120 is located. The light shielding sheet 210 can reciprocate toward the fill light 120. The light shielding sheet 210 is used to cover the fill light 120 based on the image captured by the lens 110. The transverse moving member 220 is connected to the light shielding sheet 210 and is used to drive the light shielding sheet 210 to reciprocate toward the fill light 120. For example, a transverse screw system or a piston cylinder or other device can be provided as the transverse moving member 220.
[0054] In the optional embodiment of the utility model, the light shielding sheet 210 can adopt opaque plastic, metal or opaque silica gel etc. It can be understood that the light shielding sheet 210 and the horizontal moving component 220 are easy to obtain, low in cost and simple to assemble, and the production cost of the light shielding assembly 200 can be effectively reduced. In addition, generally, the light supplement lamps 120 of the multi-eye imaging device are located in the same plane, the light emitted is parallel light, and the light supplement overlapping area, that is, the overexposure area, will present a shape perpendicular to the connecting line of the two light supplement lamps 120, as shown in Figure 3 In the embodiment, the light shielding sheet 210 is driven to reciprocate along the direction of the connecting line of the two light supplement lamps 120 by setting the horizontal moving component 220, so that the advancing direction of the light shielding sheet 210 is perpendicular to the exposure area, and the regulation of the light shielding sheet 210 to the exposure area is more accurate, and the effect of solving the exposure problem of the lens 110 by the light shielding assembly 200 can be improved.
[0055] In the optional embodiment of the utility model, the light shielding sheet 210 can also be driven by a rotating mechanism, as described above for the rotation of the light shielding assembly 200, and specifically, it can be adaptively set according to the actual situation.
[0056] In the optional embodiment of the utility model, the light shielding assembly 200 further comprises a soft light piece, which is arranged at the edge of the light shielding sheet 210 facing the light supplement lamp 120, and the soft light piece is used for soft light at the edge. It can be understood that the soft light piece has the property of being translucent, and when the light of the light supplement lamp 120 passes through it, scattering occurs, making the light soft. By arranging the soft light piece at the edge of the light shielding sheet 210, the influence of incomplete light shielding on imaging quality caused by slight structural differences can be avoided, and the uniformity and consistency of imaging can be improved. In addition, as a protective layer, the soft light piece can protect the edge of the light shielding sheet 210 from dust, dirt or physical abrasion, prolonging the service life of the light shielding sheet 210.
[0057] In the optional embodiment of the utility model, the soft light piece comprises ground glass or sulfuric acid paper, in other words, the soft light piece can be made of ground glass or sulfuric acid paper, and specifically, it can be adaptively selected according to the actual situation.
[0058] Continuing to refer to Figure 1 In the optional embodiment of the utility model, one side of the light shielding sheet 210 facing the light supplement lamp 120 has an arc-shaped profile, and the shape of the arc-shaped profile is adapted to the shape of the light supplement lamp 120. It can be understood that Figure 6As shown, the light supplement area of the light supplement lamp 120 is generally a circle with the light supplement lamp 120 as the center, and the arc-shaped profile of the light shield 210 can better adapt to the light distribution of the light supplement lamp 120, reduce incomplete light shielding due to structural differences, and thus improve the imaging quality. Meanwhile, based on the fitting of the arc-shaped profile and the circular light supplement area, the light shield 210 can make the light transition smoother during the lateral movement, avoid abrupt light changes, and ensure the consistency of the overall imaging.
[0059] With reference to Figure 1 and Figure 2 In optional embodiments of the present application, the light shielding assembly 200 further comprises a heat conduction member 230, one end of which is connected with the light shield 210, and the other end is used to be connected with the front face of the imaging device. It can be understood that, since the light shield 210 is arranged in front of the light supplement lamp 120, the temperature of the light shield 210 will rise under the continuous irradiation of light. By connecting the light shield 210 and the front face of the imaging device through the heat conduction member 230, on the one hand, the heat conduction member 230 can transfer the heat accumulated on the light shield 210 away, so that the temperature of the light shield is within a suitable range, ensuring the normal operation of the imaging device; on the other hand, the heat on the light shield 210 can be guided to the front face of the imaging device through the heat conduction member 230, which can be used for defrosting and demisting of the front face, especially in cold environments, the frost or fog on the surface of the front face can be quickly removed, keeping the clear view of the lens 110. In optional embodiments of the present application, the heat conduction member 230 comprises a graphite sheet or a metal sheet, in other words, the heat conduction member 230 can be made of graphite or metal material, and can be adaptively set according to actual conditions.
[0060] With reference to Figure 1 In optional embodiments of the present application, the lateral moving component 220 comprises a guide rod 221, a drive gear 222 and a drive motor (not shown in the figure). The guide rod 221 is arranged on at least one side of the light supplement lamp 120 and extends along the moving direction of the light shield 210. The light shield 210 is provided with an extension part, and the extension part is sleeved on the guide rod 221, so that the light shield 210 can slide along the guide rod 221. The drive gear 222 is arranged on at least one side of the light shield 210, and the outer side of the extension part of the light shield 210 is provided with a rack part 211 engaged with the drive gear 222. When the drive gear 222 rotates, the light shield 210 can slide along the guide rod 221 under the guidance of the guide rod 221. Based on the forward rotation or reverse rotation of the drive gear 222, the light shield 210 can realize reciprocating movement. The drive motor is connected with the drive gear 222 and used to drive the rotation of the drive gear 222.
[0061] It can be understood that the meshing structure of the driving gear 222 and the rack portion 211 has the characteristics of high efficiency and stability. When the gear and the rack are correctly installed and meshed, the rotational motion of the gear can be accurately converted into the linear motion of the rack, and vice versa. This transmission method is not only highly efficient, but also can maintain a stable transmission ratio, which can ensure the speed and position accuracy of the shading plate 210 during the movement process.
[0062] Continue reading Figure 1 In an optional embodiment of the present invention, two guide rods 221 are provided, and the two guide rods 221 are relatively arranged on both sides of the shading plate 210; it can be understood that compared with a single guide rod 221, the two guide rods 221 can evenly share the load of the transverse moving component 220, which can reduce the force on the single guide rod 221, reduce wear and failure rate; in addition, the two guide rods 221 can balance the torque during the movement of the shading plate 210, improve the stability and reliability of the transmission, reduce the transmission error, and ensure the positioning accuracy of the shading plate 210.
[0063] A second aspect of an embodiment of the present utility model provides a camera, which includes the imaging device described in any one of the aforementioned embodiments. It can be understood that the camera provided by this embodiment also has the technical effects of the imaging device described in any one of the aforementioned embodiments because it includes the imaging device described in any one of the aforementioned embodiments. Specifically, please refer to the above description, which will not be repeated here.
[0064] It should be noted that the technical solutions in the various embodiments of the present invention can be combined with each other, but the basis for the mutual combination is that it can be implemented by ordinary technicians in this field; when the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist, that is, it does not fall within the scope of protection of the present invention.
[0065] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.
Claims
1. An imaging device, characterized in that: include: At least two sets of imaging components spaced apart from each other, each imaging component including a lens and a fill light; The shading component is arranged between the fill light and the fill light of the adjacent imaging component and can move back and forth toward the fill light. The shading component is used to cover the fill light based on the image obtained by the lens.
2. The imaging device according to claim 1, wherein The shading component includes: a light shielding sheet, disposed between the fill light and the fill light of the adjacent imaging assembly and capable of reciprocating toward the fill light, the light shielding sheet being used to shield the fill light based on the image acquired by the lens; A transverse moving component is connected to the light shielding plate, and the transverse moving component is used to drive the light shielding plate to move back and forth toward the fill light.
3. The imaging device according to claim 2, wherein The shading assembly further includes a soft light component, which is arranged at the edge of the shading sheet facing the fill light.
4. The imaging device according to claim 3, wherein The light softener includes frosted glass or sulfuric acid paper.
5. The imaging device according to claim 2, wherein The side of the light shielding sheet facing the fill light has an arc-shaped profile, and the shape of the arc-shaped profile is adapted to the shape of the fill light.
6. The imaging device according to claim 2, wherein The shading assembly further includes a heat conducting member, one end of which is connected to the shading sheet, and the other end of which is used to be connected to the front face of the imaging device.
7. The imaging device according to claim 6, wherein The heat conducting member includes a graphite sheet or a metal sheet.
8. The imaging device according to any one of claims 2 to 7, characterized in that The traverse component comprises: A guide rod is provided on at least one side of the fill light, and the light shielding sheet is sleeved on the guide rod; A driving gear is provided on one side of the light shielding sheet, the light shielding sheet is provided with a rack portion meshing with the driving gear, and the light shielding sheet is adapted to reciprocate along the length direction of the guide rod under the drive of the driving gear; A driving motor is connected to the driving gear and is used to drive the driving gear to rotate.
9. The imaging device according to claim 8, wherein There are two guide rods, which are arranged oppositely on both sides of the light shielding sheet.
10. A camera, characterized in that: The imaging device comprising any one of claims 1 to 9.