Wave band division imaging device

Abstract

The utility model discloses a sub-band imaging device, relates to the technical field of imaging, and aims to solve the problems that pixel points are smaller and smaller and RGB (Red, Green, Blue) is larger and larger in process difficulty due to the fact that the RGB is on the same photosensitive chip and under different light intensities, the pixel points are smaller and smaller, and the RGB is larger and smaller in process difficulty due to the fact that the RGB is on the same photosensitive chip. When the light intensity difference is large, the dark part cannot be seen clearly or the bright part is exposed excessively, so that the device comprises a device body, a light inlet is formed in the device body, multiple sets of light outlets are formed in the bottom of the device body, and a primary color separation structure is arranged in the device body. The output end of the primary color separation structure is provided with a sensing structure. According to the invention, the pixels can be effectively increased without increasing the pixels; meanwhile, the situation that imaging cannot be achieved due to light intensity differences is avoided through light imaging of different wavebands, and the imaging dynamic range is greatly widened; and the imaging quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of imaging, in particular to a band-dividing imaging device. Background Art

[0002] The main imaging technology at present is to use pixel imaging and RGB three-color imaging. The pixels are getting smaller and smaller, and the RGB process is becoming more and more difficult and expensive. At the same time, because RGB is on the same photosensitive chip, when there is a large difference in light intensity under different light intensities, the darker parts often cannot be seen clearly or the brighter parts are overexposed. Utility Model Content

[0003] The purpose of the utility model is to provide a sub-band imaging device to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A band-dividing imaging device comprises a device body, wherein a light inlet is provided on the device body, a plurality of light outlets are arranged at the bottom of the device body, a primary color separation structure is arranged inside the device body, and a sensing structure is arranged at the output end of the primary color separation structure.

[0006] As a further solution of the utility model: the primary color separation structure includes a spherical lens, a reflector is provided at the output end of the spherical lens, and a different light reflecting component is provided at the output end of the reflector.

[0007] As a further solution of the utility model: the different light reflecting components include a blue light reflecting component, a red light reflecting component, a green light reflecting component and a near-infrared reflecting component, the blue light reflecting component is arranged at the output end of the reflector, the output end of the blue light reflecting component is provided with a green light reflecting component, the output end of the green light reflecting component is provided with a red light reflecting component, and the output end of the red light reflecting component is provided with a near-infrared reflecting component.

[0008] As a further solution of the utility model: the blue light reflecting element includes a blue filter, a blue light sensor is arranged at the output end of the blue filter, and the blue light sensor and the blue filter are arranged at a 45-degree angle; the green light reflecting element includes a green filter, the green filter is arranged on the side of the blue filter, and the green filter and the green light sensor are arranged at a 45-degree angle; the red light reflecting element includes a red filter, the red filter is arranged on the side of the green filter, and the red filter and the red light sensor are arranged at a 45-degree angle; the near-infrared reflecting element includes a near-infrared filter, the near-infrared filter is arranged on the side of the red filter, and the near-infrared filter and the near-infrared sensor are arranged at a 45-degree angle.

[0009] As a further solution of the present invention: the blue light sensor, the green light sensor, the red light sensor and the near infrared sensor are any one of sensors and sensors that do not distinguish between spectra.

[0010] As a further solution of the utility model: the purple filter is arranged at the output end of the light entrance, the purple filter and the purple light sensor are arranged at 45 degrees, a blue filter is arranged on the side of the purple filter, the blue filter and the blue light sensor are arranged at 45 degrees, a green filter is arranged on the side of the blue filter, the green filter and the green light sensor are arranged at 45 degrees, a red filter is arranged on the side of the green filter, the red filter and the red light sensor are arranged at 45 degrees, a near-infrared filter is arranged on the side of the red filter, and the near-infrared filter and the near-infrared sensor are arranged at 45 degrees.

[0011] As a further solution of the present invention: the sensing structure includes a blue light sensor, a green light sensor, a red light sensor, a near infrared sensor and a purple light sensor.

[0012] Compared with the prior art, the beneficial effects of the present invention are: the present invention can effectively improve the pixels without increasing the pixels; at the same time, the present invention avoids the imaging failure due to the difference in light intensity through imaging of light in different bands, thereby greatly improving the imaging dynamic range and improving the imaging quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The figure is a schematic diagram of an embodiment of a sub-band imaging device.

[0014] Figure 2 It is a schematic diagram of another embodiment of a sub-band imaging device.

[0015] Explanation of the accompanying drawings: 1. spherical lens; 2. reflector; 3. blue filter; 4. blue light sensor; 5. green filter; 6. green light sensor; 7. red filter; 8. red light sensor; 9. near-infrared filter; 10. near-infrared sensor; 11. purple light sensor; 12. purple filter. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only 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.

[0017] See also Figures 1-2In an embodiment of the utility model, a band-segmenting imaging device includes a device body. In order to segment different lights, a light inlet needs to be opened on the device body for the entry of light. In order to export different colored lights, a plurality of groups of light outlets are arranged at the bottom of the device body, and different lights are respectively exported from different light outlets. A primary color separation structure is arranged inside the device body, and the primary color separation structure is used to separate the light. A sensing structure is arranged at the output end of the primary color separation structure for sensing the light.

[0018] As a further example of this application, please refer to Figure 1 The primary color separation structure includes a spherical lens 1, which is used to ensure the quality of light. A reflector 2 is provided at the output end of the spherical lens 1, and different light reflecting components are provided at the output end of the reflector 2, so that after the light passes through the spherical lens 1 for quality assurance, the reflector 2 is used to realize total reflection of the light and reaches different light reflecting components, thereby using different light reflecting components to separate the light.

[0019] As a further example of this application, please refer to Figure 1 In this embodiment, the main purpose is to separate lights of different colors, so the different light reflecting components include a blue light reflecting component, a red light reflecting component, a green light reflecting component and a near-infrared reflecting component, so that the red light, green light, blue light and near-infrared light can be separated. The red and blue light reflecting components are arranged at the output end of the reflector 2, the output end of the blue light reflecting component is provided with a green light reflecting component, the output end of the green light reflecting component is provided with a red light reflecting component, and the output end of the red light reflecting component is provided with a near-infrared reflecting component, that is, the light first reaches the blue light reflecting component for separation, so that the blue light is reflected by the red light reflecting component and then guided out using the light outlet, and the remaining light continues to flow, reaches the green light reflecting component for reflection, and then separates the green light, and then uses the red light reflecting component to reflect and separate the red light, and finally reflects and guides out the near-infrared light.

[0020] As a further example of this application, please refer to Figure 1, wherein the blue light reflecting component includes a blue filter 3, a blue light sensor 4 is arranged at the output end of the blue filter 3, and the blue light sensor 4 and the blue filter 3 are arranged at an angle of 45 degrees, so that the blue light is first reflected and filtered by the blue filter 3, and the remaining light continues to be conducted inside the device body; the green light reflecting component includes a green filter 5, the green filter 5 is arranged on the side of the blue filter 3, the green filter 5 and the green light sensor 6 are arranged at 45 degrees, so that the green light is separated by the green filter 5, and the remaining light continues to be conducted; the red light reflecting component includes a red filter 7, the red filter 7 is arranged on the side of the green filter 5, the red filter 7 and the red light sensor 8 are arranged at 45 degrees, so as to separate the red light; the near-infrared reflecting component includes a near-infrared filter 9, the near-infrared filter 9 is arranged on the side of the red filter 7, the near-infrared filter 9 and the near-infrared sensor 10 are arranged at 45 degrees, and finally the near-infrared light is separated.

[0021] As a further example of this application, please refer to Figure 1 The blue light sensor 4, the green light sensor 6, the red light sensor 8 and the near infrared sensor 10 can be each independent sensor, or a unified sensor without distinguishing the spectrum can be used.

[0022] As a further example of this application, please refer to Figure 2 In order to increase the separation of different light rays, that is, to separate the light into a more detailed small range, the primary color separation structure includes a spherical lens 1, and different light reflecting components are arranged at the output end of the spherical lens 1. The different light reflecting components include a purple filter 12, a blue filter 3, a green filter 5, a red filter 7 and a near infrared filter 9, that is, the purple filter 12 is arranged at the output end of the light entrance, and the purple filter 12 and the purple light sensor 11 are arranged at 45 degrees, so that the purple light can be separated first, wherein the side of the purple filter is arranged There is a blue filter 3, the blue filter 3 and the blue light sensor 4 are set at 45 degrees, which can separate the blue light, a green filter 5 is set on the side of the blue filter 3, the green filter 5 and the green light sensor 6 are set at 45 degrees, which can separate the green light, a red filter 7 is set on the side of the green filter 5, the red filter 7 and the red light sensor 8 are set at 45 degrees, which can separate the red light, a near-infrared filter 9 is set on the side of the red filter 7, the near-infrared filter 9 and the near-infrared sensor 10 are set at 45 degrees, so as to separate the near-infrared light.

[0023] As a further example of this application, please refer to Figure 1 and Figure 2 In order to sense the light and monitor the derived light in real time, the sensing structure includes a blue light sensor 4, a green light sensor 6, a red light sensor 8, a near infrared sensor 10 and a purple light sensor 11.

[0024] The working principle of the utility model is that the light first enters the device body through the light inlet, and then the primary color separation structure is used to separate the light according to the light color, so as to be discharged through the light outlet, and at the same time the sensor structure is used to monitor the light in real time.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A sub-band imaging device, comprising a device body, characterized in that: The device body is provided with a light inlet, the bottom of the device body is provided with a plurality of light outlets, a primary color separation structure is provided inside the device body, and a sensing structure is provided at the output end of the primary color separation structure.

2. The sub-band imaging device according to claim 1, characterized in that: The primary color separation structure comprises a spherical lens (1), the output end of the spherical lens (1) is provided with a reflector (2), and the output end of the reflector (2) is provided with a different light reflection component.

3. The sub-band imaging device according to claim 2, characterized in that: The different light reflecting components include a blue light reflecting component, a red light reflecting component, a green light reflecting component and a near infrared reflecting component. The blue light reflecting component is arranged at the output end of the reflector (2). The output end of the blue light reflecting component is provided with a green light reflecting component. The output end of the green light reflecting component is provided with a red light reflecting component. The output end of the red light reflecting component is provided with a near infrared reflecting component.

4. The sub-band imaging device according to claim 3, characterized in that: The blue light reflecting element comprises a blue filter (3), a blue light sensor (4) is arranged at the output end of the blue filter (3), and the blue light sensor (4) and the blue filter (3) are arranged at an angle of 45 degrees; the green light reflecting element comprises a green filter (5), the green filter (5) is arranged on the side of the blue filter (3), and the green filter (5) and the green light sensor (6) are arranged at an angle of 45 degrees; the red light reflecting element comprises a red filter (7), the red filter (7) is arranged on the side of the green filter (5), and the red filter (7) and the red light sensor (8) are arranged at an angle of 45 degrees; the near-infrared reflecting element comprises a near-infrared filter (9), the near-infrared filter (9) is arranged on the side of the red filter (7), and the near-infrared filter (9) and the near-infrared sensor (10) are arranged at an angle of 45 degrees.

5. The sub-band imaging device according to claim 4, characterized in that: The blue light sensor (4), the green light sensor (6), the red light sensor (8) and the near infrared sensor (10) are any of sensors and sensors that do not distinguish between different spectra.

6. The sub-band imaging device according to claim 1, characterized in that: The primary color separation structure comprises a spherical transmission enhancement lens (1); the output end of the spherical transmission enhancement lens (1) is provided with different light reflection components, the different light reflection components comprising a purple filter (12), a blue filter (3), a green filter (5), a red filter (7) and a near-infrared filter (9); the purple filter (12) is arranged at the output end of the light inlet; the purple filter (12) and the purple light sensor (11) are arranged at 45 degrees; a blue filter (3) is arranged on the side of the purple filter (12); The blue filter (3) and the blue light sensor (4) are arranged at an angle of 45 degrees; a green filter (5) is arranged on the side of the blue filter (3); the green filter (5) and the green light sensor (6) are arranged at an angle of 45 degrees; a red filter (7) is arranged on the side of the green filter (5); the red filter (7) and the red light sensor (8) are arranged at an angle of 45 degrees; a near-infrared filter (9) is arranged on the side of the red filter (7); the near-infrared filter (9) and the near-infrared sensor (10) are arranged at an angle of 45 degrees.

7. The sub-band imaging device according to claim 1, characterized in that: The sensing structure comprises a blue light sensor (4), a green light sensor (6), a red light sensor (8), a near infrared sensor (10) and a purple light sensor (11).

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