Full-color night vision camera
By adopting a split design and infrared black light principle in the camera, the problem of severe heat generation of traditional cameras at night or in low-light environments is solved, efficient heat dissipation and clear image generation are achieved, and power consumption is reduced.
Patent Information
- Application Number
- CN202422703581.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-11-06
AI Technical Summary
Due to insufficient light at night or in low-light environments, traditional cameras cause severe internal heating due to the main control component controlling the visible light fill light component for a long time, affecting the normal image acquisition of the image sensor chip, resulting in blurred image imaging and color distortion.
A split design is adopted, with the image sensor chip and main control chip set on different main boards, and separated by the front shell and the rear shell, and placed in different spaces to reduce heat interference. An infrared lamp is set in the front shell to generate visible light images, and the image processing is performed using the infrared black light principle.
It reduces the heat interference between the image sensor chip and the main control chip, improves the heat dissipation efficiency, reduces image blur and color distortion, improves image clarity and stability, and reduces the power consumption of the camera.
Smart Images
Figure CN223402535U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of cameras, in particular to a full-color night vision camera. Background Art
[0002] At present, due to insufficient light at night or in low-light environments, traditional cameras need the main control component to control the visible light fill light component for a long time to work, causing serious heat inside the camera, affecting the normal image acquisition of the image sensor chip, and making the images generated by the camera prone to blurry images and color distortion. Utility Model Content
[0003] The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art and to provide a full-color night vision camera that can reduce the heat interference between the image sensor chip and the main control chip, thereby reducing the image blur and color distortion of the images generated by the camera.
[0004] To achieve the above objectives, the present invention provides a full-color night vision camera, comprising:
[0005] The front housing includes a lens and a first mainboard. The first mainboard includes an image sensor chip. One end of the lens is connected to the outside world, and the other end of the lens is connected to the first mainboard. The photosensitive area of the image sensor chip corresponds to the light-transmitting area of the lens. The image sensor chip is used to receive infrared light introduced by the lens and generate visible light images using the infrared black light principle.
[0006] The rear shell has an open end connected to one end of the front shell, a second mainboard is provided in the rear shell, the second mainboard is connected to the first mainboard circuit, and the second mainboard is provided with a main control chip, which is used to receive and process images generated by the image sensor chip.
[0007] Furthermore, in some embodiments, a first through hole is provided on the back of the rear housing, and the first through hole is used to dissipate heat from the second mainboard.
[0008] Furthermore, in some embodiments, the lens is provided with an aperture, and the aperture value of the aperture is F1.0.
[0009] Furthermore, in some embodiments, the quantum efficiency of the image sensor chip at 850 nm is 60%, and the quantum efficiency of the image sensor chip at 940 nm is 40%.
[0010] Furthermore, in some embodiments, the front housing is further provided with a third main board, the third main board is located at the bottom of the lens, and the third main board is provided with an infrared lamp, which is used to irradiate infrared light to the outside world.
[0011] Furthermore, in some embodiments, the front shell is further provided with a front shell cover plate, which is provided at the other end of the front shell and is used to close the space formed between the front shell and the rear shell.
[0012] Furthermore, in some embodiments, the front shell cover is provided with a second through hole and a third through hole, the second through hole and the lens are nested with each other, and the third through hole and the third main board are nested with each other, the second through hole is used to keep one end of the lens connected to the outside world, and the third through hole is used to keep the infrared lamp irradiating infrared light to the outside world.
[0013] Furthermore, in some embodiments, the front housing is further provided with a lens pad, which is provided between the first through hole and the lens, and is used to protect the lens.
[0014] Furthermore, in some embodiments, the full-color night vision camera further includes a bracket base, which is connected to the back of the rear shell, and the bracket base is used as a mounting component of the full-color night vision camera.
[0015] Furthermore, in some embodiments, the bracket base is provided with a variable joint, and the variable joint is used to adjust the lighting position of the lens.
[0016] A full-color night vision camera according to an embodiment of the present invention has at least the following beneficial effects: a front shell and a rear shell are provided, a lens and a first main board are provided in the front shell, the first main board is provided with an image sensor chip, one end of the lens is connected to the outside world, and the other end of the lens is connected to the first main board, the photosensitive area of the image sensor chip corresponds to the light-transmitting area of the lens, and the image sensor chip is used to receive infrared light introduced by the lens and generate a visible light image through the infrared black light principle; the open end of the rear shell is connected to one end of the front shell, a second main board is provided in the rear shell, the second main board is connected to the first main board circuit, and the second main board is provided with The main control chip is used to receive and process the images generated by the image sensor chip. The split board design between the first main board and the second main board makes the image sensor chip and the main control chip not work on the same main board, thereby reducing the heat interference between the image sensor chip and the main control chip. At the same time, the split design between the front shell and the rear shell places the first main board and the second main board in different spaces respectively, thereby improving the heat dissipation efficiency of the image sensor chip and the main control chip, further reducing the heat interference between the image sensor chip and the main control chip, and reducing the image blur and color distortion of the image generated by the camera.
[0017] Other features and advantages of the present invention will be described in the following description and will become apparent in part from the description. The purpose and other advantages of the present invention can be achieved and obtained through the structures particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The accompanying drawings are used to provide a further understanding of the technical solution of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the technical solution of the present invention and do not constitute a limitation on the technical solution of the present invention.
[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0020] Figure 1 This is an overall structural diagram of a full-color night vision camera provided by an embodiment of the present utility model;
[0021] Figure 2 This is an overall structural diagram of a full-color night vision camera provided by another embodiment of the present utility model;
[0022] Figure 3 The figure is an exploded view of a full-color night vision camera provided by one embodiment of the present utility model.
[0023] Figure numerals: front shell 100, lens 110, first main board 120, third main board 130, infrared lamp 131, front shell cover 140, second through hole 141, third through hole 142, lens pad 150, rear shell 200, second main board 210, first through hole 220, bracket base 300, variable joint 310. DETAILED DESCRIPTION
[0024] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.
[0025] In the description of the present invention, if the first and second are described only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features, it should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.
[0026] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.
[0027] At present, due to insufficient light at night or in low-light environments, traditional cameras need the main control component to control the visible light fill light component for a long time to work, causing serious heat inside the camera, affecting the normal image acquisition of the image sensor chip, and making the images generated by the camera prone to blurry images and color distortion.
[0028] Based on this, the embodiment of the present invention provides a full-color night vision camera, The camera is provided with a front housing and a rear housing, wherein a lens and a first mainboard are provided in the front housing, wherein the first mainboard is provided with an image sensor chip, wherein one end of the lens is connected to the outside, and the other end of the lens is connected to the first mainboard, wherein the photosensitive area of the image sensor chip corresponds to the photosensitive area of the lens, and the image sensor chip is used to receive infrared light introduced by the lens and generate a visible light image through the infrared black light principle; wherein the open end of the rear housing is connected to one end of the front housing, wherein a second mainboard is provided in the rear housing, wherein the second mainboard is connected to the first mainboard circuit, and wherein the second mainboard is provided with a main control chip, and the main control chip is used to receive and process the image generated by the image sensor chip; and further, through the split board design between the first mainboard and the second mainboard, the image sensor chip and the main control chip are not operated on the same mainboard, thereby reducing the heat interference between the image sensor chip and the main control chip; and at the same time, through the split design between the front housing and the rear housing, the first mainboard and the second mainboard are respectively provided in different spaces, thereby improving the heat dissipation efficiency of the image sensor chip and the main control chip, further reducing the heat interference between the image sensor chip and the main control chip, and reducing the image blur and color distortion of the image generated by the camera.
[0029] Therefore, the embodiments of the present invention will be further described below with reference to the accompanying drawings.
[0030] Reference Figures 1 to 3 As shown, Figure 1 This is an overall structural diagram of a full-color night vision camera provided by an embodiment of the utility model. Figure 2 This is the overall structure diagram of a full-color night vision camera provided by another embodiment of the utility model. Figure 3This is an exploded view of a full-color night vision camera provided by an embodiment of the present invention, which includes a front shell 100 and a rear shell 200, wherein a lens 110 and a first main board 120 are provided in the front shell 100, the first main board 120 is provided with an image sensor chip, one end of the lens 110 is connected to the outside world, and the other end of the lens 110 is connected to the first main board 120, the photosensitive area of the image sensor chip corresponds to the light-transmitting area of the lens 110, and the image sensor chip is used to receive infrared light introduced by the lens 110 and generate visible light images through the infrared black light principle; the open end of the rear shell 200 is connected to one end of the front shell 100, and a second main board 210 is provided in the rear shell 200, the second main board 210 is circuit-connected to the first main board 120, and the second main board 210 is provided with a main control chip, which is used to receive and process the image generated by the image sensor chip.
[0031] In an optional embodiment, referring to Figure 2 As shown, a first through hole 220 is provided on the back of the rear shell 200. The first through hole 220 is used to dissipate heat for the second mainboard 210, thereby improving the heat dissipation efficiency of the main control chip and improving the working stability of the full-color night vision camera.
[0032] In an optional embodiment, the lens 110 is provided with an aperture having an aperture value of F1.0. By adopting the lens 110 with a large aperture of F1.0, the amount of light entering can be better increased, and weak light signals can be captured under extremely low light conditions and converted into clear images. At the same time, the lens 110 with a large aperture of F1.0 can also reduce image noise and blur, thereby improving image clarity and detail performance.
[0033] It should be noted that the image sensor chip of the present invention is a high-sensitivity, low-noise image sensor chip. The image sensor chip supports a maximum resolution of 2688*1520, which can capture more details and color information, making the image more real and delicate. At the same time, the image generation technology of the image sensor chip is near-infrared imaging technology. The quantum efficiency of the image sensor chip is 60% at 850nm, and the image sensor chip reaches 40% at 940nm. As a result, the image sensor chip can reduce infrared illumination under dark conditions in the same environment and the same image detection range, so that the power consumption of the full-color night vision camera is reduced by 2 to 4 times compared with traditional cameras. Therefore, the full-color night vision camera of the present invention can capture weak light signals under extremely low light conditions and convert them into clear images.
[0034] Further, refer to Figure 3As shown, the front housing 100 is further provided with a third main board 130 , which is located at the bottom of the lens 110 . The third main board 130 is provided with an infrared lamp 131 , which is used to irradiate infrared light to the outside.
[0035] Further, refer to Figure 3 As shown, the front shell 100 is also provided with a front shell cover 140, which is provided at the other end of the front shell 100. The front shell cover 140 is used to close the space between the front shell 100 and the rear shell 200, thereby protecting the internal components of the full-color night vision camera from external interference, such as dust interference.
[0036] Further, refer to Figure 1 and Figure 3 As shown, the front shell cover 140 is provided with a second through hole 141 and a third through hole 142. The second through hole 141 and the lens 110 are nested with each other, and the third through hole 142 and the third main board 130 are nested with each other. The second through hole 141 is used to keep one end of the lens 110 connected to the outside world, and the third through hole 142 is used to keep the infrared lamp irradiating infrared light to the outside world.
[0037] Further, refer to Figure 3 As shown, the front shell 100 is further provided with a lens pad 150, which is provided between the first through hole 220 and the lens 110. The lens pad 150 is used to protect the lens 110, thereby preventing the full-color night vision camera from being damaged by shaking during installation.
[0038] Further, refer to Figure 2 As shown, the full-color night vision camera also includes a bracket base 300, which is connected to the back of the rear shell 200. The bracket base 300 is used as a mounting component of the full-color night vision camera. In addition, the bracket base 300 is provided with a variable joint 310, which is used to adjust the lighting position of the lens 110, thereby expanding the image acquisition area of the full-color night vision camera.
[0039] It should be understood that in the present invention, "at least one (item)" refers to one or more, and "plurality" refers to two or more. "And / or" is used to describe the association relationship of associated objects, indicating that there can be three relationships. For example, "A and / or B" can mean: only A exists, only B exists, and A and B exist at the same time, where A and B can be singular or plural. The character " / " generally indicates that the previous and next associated objects are in an "or" relationship. "At least one of the following items" or similar expressions refers to any combination of these items, including any combination of single items or plural items. For example, at least one of a, b or c can mean: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", where a, b, c can be single or multiple.
[0040] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the technical field without departing from the purpose of the present invention.
Claims
1. A full-color night vision camera, characterized in that: include: A front housing, wherein a lens and a first mainboard are disposed within the front housing. The first mainboard is provided with an image sensor chip. One end of the lens is communicated with the outside world, and the other end of the lens is connected to the first mainboard. The light-sensitive area of the image sensor chip corresponds to the light-transmitting area of the lens. The image sensor chip is configured to receive infrared light directed by the lens and generate a visible light image using the infrared black light principle. A rear shell, wherein the open end of the rear shell is connected to one end of the front shell, a second mainboard is provided in the rear shell, the second mainboard is connected to the first mainboard circuit, and the second mainboard is provided with a main control chip, which is used to receive and process the image generated by the image sensor chip.
2. The full-color night vision camera according to claim 1, characterized in that: A first through hole is provided on the back of the rear housing, and the first through hole is used to dissipate heat for the second mainboard.
3. The full-color night vision camera according to claim 1, characterized in that: The lens is provided with an aperture, and the aperture value of the aperture is F1.
0.
4. The full-color night vision camera according to claim 1, characterized in that: The quantum efficiency of the image sensor chip at 850nm is 60%, and the quantum efficiency of the image sensor chip at 940nm is 40%.
5. The full-color night vision camera according to claim 2, characterized in that: The front housing is further provided with a third main board, which is located at the bottom of the lens. The third main board is provided with an infrared lamp, which is used to irradiate infrared light to the outside world.
6. The full-color night vision camera according to claim 5, characterized in that: The front shell is further provided with a front shell cover plate, which is arranged at the other end of the front shell and is used to close the space formed between the front shell and the rear shell.
7. The full-color night vision camera according to claim 6, characterized in that: The front shell cover is provided with a second through hole and a third through hole, the second through hole and the lens are nested with each other, and the third through hole and the third main board are nested with each other, the second through hole is used to keep one end of the lens connected to the outside world, and the third through hole is used to keep the infrared lamp irradiating infrared light to the outside world.
8. The full-color night vision camera according to claim 7, characterized in that: The front housing is further provided with a lens pad, which is arranged between the first through hole and the lens and is used to protect the lens.
9. The full-color night vision camera according to claim 1, characterized in that: The full-color night vision camera further comprises a bracket base, which is connected to the back of the rear shell and is used as a mounting component of the full-color night vision camera.
10. The full-color night vision camera according to claim 9, characterized in that: The bracket base is provided with a variable joint, and the variable joint is used to adjust the lighting position of the lens.