CN-224205162-U - Image pickup apparatus

CN224205162UCN 224205162 UCN224205162 UCN 224205162UCN-224205162-U

Abstract

The embodiment of the utility model provides image pickup equipment, which comprises a light-transmitting body, a light shielding body and a sensor, wherein the light shielding body is positioned on a light incident surface of the light-transmitting body and used for inhibiting light rays incident to the light-transmitting body from a target angle under the condition that the light shielding body is attached to the light-transmitting body, and the sensor is arranged on a light emergent side of the light-transmitting body and used for receiving the light rays passing through the light-transmitting body and imaging. Therefore, the problem of poor imaging effect of the imaging equipment in the related technology can be solved, and the technical effect of improving the imaging effect of the imaging equipment is further achieved.

Inventors

CHEN JIANHUA
DING NAIYING
XIA BING
GU XIN
LI YAN
XU YINHUI
Ding Kunyan

Assignees

浙江大华技术股份有限公司

Dates

Publication Date: 20260505
Application Date: 20250528

Claims (10)

1. An image pickup apparatus, characterized by comprising: A light transmitting body; a light shielding body which is positioned on the light incident surface of the light transmitting body and is used for inhibiting light rays incident to the light transmitting body from a target angle when the light shielding body is attached to the light transmitting body; And the sensor is arranged on the light emitting side of the light transmitting body and is used for receiving the light passing through the light transmitting body and imaging.
2. The image capturing apparatus according to claim 1, wherein an angle between an incident surface of the light shielding body and an exit surface of the light shielding body is a first included angle, a light suppressing area and a light transmitting area are provided on the light shielding body, the light suppressing area and the light transmitting area are arranged in a space, the first surface of the light suppressing area and the incident surface of the light transmitting area are located on the incident surface of the light shielding body, the second surface of the light suppressing area and the exit surface of the light transmitting area are located on the exit surface of the light shielding body, and the light suppressing area is used for suppressing first light incident on the incident surface of the light transmitting body, and the first light is incident on the light suppressing area; The light transmission area transmits second light to the light incidence surface of the light transmission body, and the second light is the light passing through the light transmission area.
3. The image capturing apparatus according to claim 2, wherein the size of the light shielding body satisfies the following formula: Wherein H represents the maximum height of the light shielding body, b represents the width of the light transmitting area, τ represents the first included angle, θ represents the vertical field angle of the image capturing apparatus, H represents the mounting height of the image capturing apparatus, L represents the set monitoring distance of the image capturing apparatus, and α represents the target angle.
4. The image capturing apparatus according to claim 2, wherein the shape of the light transmitting area includes at least one of an ellipse, a fan, and a polygon.
5. The image capturing apparatus according to claim 1, wherein the light shielding body includes a plurality of light shielding regions, light transmittances of the plurality of light shielding regions are not identical, or light transmittances of different light shielding regions are different.
6. The image pickup apparatus according to claim 5, wherein the light shielding body includes a base material and a film plated on the base material, the film being provided with a plurality of the light shielding regions, and the plating ion ratios of the light shielding regions having different light transmittance are different.
7. The image capturing apparatus according to claim 1, wherein the light transmitting body includes a lens, and the light shielding body is attached to a light incident surface of the lens.
8. The image pickup apparatus according to claim 7, wherein the number of the lenses is plural, and the light shielding body is attached to a light entrance surface of a part of the lenses among the plural lenses.
9. The image pickup apparatus according to claim 1, wherein the light-transmitting body includes a window, and the light-shielding body is attached to the window.
10. The image capturing apparatus according to claim 1, wherein the light shielding body is disposed on an optical path between the light transmitting body and the sensor in a case where the light shielding body is not attached to the light transmitting body.

Description

Image pickup apparatus Technical Field The embodiment of the utility model relates to the technical field of optics, in particular to image pickup equipment. Background In the related art, in a scene where the ambient brightness is low and the brightness of the object is high, the image capturing apparatus captures the object, and there is a case where the halo of the object is large in the obtained image. As is clear from this, the related art has a problem that the imaging effect of the imaging apparatus is poor. In view of the above problems in the related art, no effective solution has been proposed at present. Disclosure of utility model The embodiment of the utility model provides an image pickup apparatus to at least solve the problem of poor imaging effect of the image pickup apparatus in the related art. According to one embodiment of the present utility model, there is provided an image pickup apparatus including a light transmitting body, a light shielding body located on a light incident surface of the light transmitting body for suppressing light incident to the light transmitting body from a target angle in a state where the light shielding body is attached to the light transmitting body, and a sensor provided on a light emitting side of the light transmitting body for receiving the light passing through the light transmitting body and imaging. In an exemplary embodiment, an angle between the light incident surface of the light shielding body and the light emergent surface of the light shielding body is a first included angle, a light inhibiting region and a light transmitting region are arranged on the light shielding body, the light inhibiting region and the light transmitting region are arranged in the light transmitting region, the first surface of the light inhibiting region and the light incident surface of the light transmitting region are located on the light incident surface of the light shielding body, the second surface of the light inhibiting region and the light emergent surface of the light transmitting region are located on the light emergent surface of the light shielding body, the light inhibiting region is used for inhibiting a first light to be incident on the light incident surface of the light transmitting body, the first light is a light incident on the light inhibiting region, and the light transmitting region transmits a second light to the light incident surface of the light transmitting body in a penetrating manner, and the second light is a light passing through the light transmitting region. In one exemplary embodiment, the size of the light shielding body satisfies the following formula: Wherein H represents the maximum height of the light shielding body, b represents the width of the light transmitting area, τ represents the first included angle, θ represents the vertical field angle of the image capturing apparatus, H represents the mounting height of the image capturing apparatus, L represents the set monitoring distance of the image capturing apparatus, and α represents the target angle. In an exemplary embodiment, the shape of the light passing region includes at least one of an ellipse, a fan, and a polygon. In one exemplary embodiment, the light blocking body includes a plurality of light blocking regions, and light transmittance of the plurality of light blocking regions is not exactly the same or light transmittance of different light blocking regions is different. In an exemplary embodiment, the light shielding body includes a substrate and a film coated on the substrate, wherein a plurality of light shielding areas are arranged on the film, and the coating film ion ratios of the light shielding areas with different light transmittance are different. In one exemplary embodiment, the light-transmitting body includes a lens, and the light-shielding body is attached to the light-incident surface of the lens. In one exemplary embodiment, the number of the lenses is plural, and the light shielding body is attached to the light incident surface of a part of the lenses among the plural lenses. In an exemplary embodiment, the light-transmitting body includes a window, and the light-shielding body is attached to the window. In one exemplary embodiment, the light shielding body is disposed on an optical path between the light transmitting body and the sensor in a case where the light shielding body is not attached to the light transmitting body. The image pickup apparatus includes a light transmitting body, a light shielding body, and a sensor, wherein the light shielding body is positioned on a light incident surface of the light transmitting body, and can inhibit light incident to the light transmitting body from a certain target angle. The sensor is arranged on the light emitting side of the light transmitting body, and can receive the light passing through the light transmitting body and image. Because the shading body can inhibit the light rays incident from t