CN212413304U

CN212413304U - Image sensor with a plurality of pixels

Info

Publication number: CN212413304U
Application number: CN202021575508.1U
Authority: CN
Inventors: 曲涛
Original assignee: Weihai Hualing Opto Electronics Co Ltd
Current assignee: Weihai Hualing Opto Electronics Co Ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-01-26
Anticipated expiration: 2030-07-31

Abstract

The utility model provides an image sensor, include: a housing; the lens and the photoelectric conversion piece are arranged on the shell, and the lens and the photoelectric conversion piece are arranged oppositely; the movable component is movably arranged on the shell and is positioned on the side part of the shell; the light-emitting piece is arranged on the movable assembly and drives the light-emitting piece to move through the movable assembly. Through the utility model provides a technical scheme can solve the lower technical problem of image sensor's the formation of image definition among the prior art.

Description

Image sensor with a plurality of pixels

Technical Field

The utility model relates to an image sensor technical field particularly, relates to an image sensor.

Background

Currently, in the field of machine vision, robots can be helped to extract, process and understand the extracted information by simulating biological vision imaging and processing information, so that accurate, efficient and safe automated operations can be performed. The importance of machine vision is mainly reflected in: guiding and positioning, appearance detection, high-precision monitoring and image identification. Among them, in the industrial automation inspection, the inspection of the minute defects is increasingly required with an improvement in efficiency, and thus the inspection of the image sensor is also increasingly required.

However, in the actual use process, the light source of the image sensor cannot be adjusted, and the light source cannot accurately irradiate on the object to be detected along with the position of the object to be detected and the difference of the characteristics of the object to be detected, so that the object to be detected cannot be clearly detected.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an image sensor to solve the technical problem of low image sharpness of the image sensor in the prior art.

In order to achieve the above object, the present invention provides an image sensor, including: a housing; the lens and the photoelectric conversion piece are arranged on the shell, and the lens and the photoelectric conversion piece are arranged oppositely; the movable component is movably arranged on the shell and is positioned on the side part of the shell; the light-emitting piece is arranged on the movable assembly and drives the light-emitting piece to move through the movable assembly.

Further, the movable assembly is rotatably disposed on the housing.

Furthermore, a sliding groove is formed in the movable assembly, and a protruding block is arranged on the light-emitting piece and movably arranged in the sliding groove.

Furthermore, the movable assembly comprises a plurality of movable pieces which are arranged at intervals along the extending direction of the light-emitting piece.

Further, the movable member includes: the sliding groove is arranged on the first connecting plate; and one end of the second connecting plate is connected with the first connecting plate, and the other end of the second connecting plate is rotatably arranged on the shell.

Further, first connecting plate is the bar shaped plate, and the sliding tray is the bar groove, and the extension direction of bar groove edge first connecting plate extends.

Furthermore, the second connecting plate comprises a first plate body and a second plate body, the first plate body and the second plate body are connected in a preset angle, the first plate body is rotatably connected with the shell, and the second plate body is connected with the first connecting plate; the second connecting plate is an L-shaped plate.

Furthermore, the number of the movable assemblies is multiple, the number of the light-emitting pieces is multiple, and the plurality of the light-emitting pieces and the plurality of the movable assemblies are arranged in a one-to-one correspondence mode.

Furthermore, the number of the movable assemblies is two, one movable assembly is located on one side of the shell, the other movable assembly is located on the other side of the shell, and each movable assembly is provided with a light-emitting piece.

Further, the number of the lenses is plural, the plural lenses are arranged at intervals in a predetermined direction, the number of the photoelectric conversion members is plural, the plural photoelectric conversion members are arranged in one-to-one correspondence with the plural lenses, and each photoelectric conversion member is arranged opposite to the corresponding lens.

Use the technical scheme of the utility model, because movable assembly movably sets up on the casing, the illuminating part sets up on movable assembly for movable assembly can drive the illuminating part and move, so that adjust the illuminating part and wait to detect the relative position between the piece, so that the light that makes the illuminating part send shines better and wait to detect on the piece, thereby is convenient for improve image sensor's imaging definition. Therefore, through the utility model provides a technical scheme can solve the lower technical problem of image sensor's the formation of image definition among the prior art.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of an image sensor having a movable component according to an embodiment of the present invention;

fig. 2 illustrates a side view of an image sensor having a movable component provided in accordance with an embodiment of the present invention;

fig. 3 shows a schematic structural diagram of an image sensor having two movable components according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a housing; 20. a movable component; 21. a sliding groove; 22. a movable member; 221. a first connecting plate; 222. a second connecting plate; 30. a light emitting member; 40. a raised block; 50. and (5) detecting the piece.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 3, an embodiment of the present invention provides an image sensor, which includes a housing 10, a lens, a photoelectric conversion element, a movable assembly 20 and a light emitting element 30, wherein the lens and the photoelectric conversion element are both disposed on the housing 10, and the lens is disposed opposite to the photoelectric conversion element. The movable assembly 20 is movably disposed on the housing 10, and the movable assembly 20 is located at a side portion of the housing 10. The light emitting member 30 is disposed on the movable assembly 20 to move the light emitting member 30 by the movable assembly 20. The light emitted from the light-emitting member 30 is used to irradiate the member to be detected 50, specifically, the member to be detected 50 in this embodiment may be disposed on the original document surface, and the lens in this embodiment may also be a lens.

By adopting the image sensor provided by the embodiment, in the working process of the image sensor, the movable assembly 20 can drive the light-emitting piece 30 to move so as to adjust the relative position between the light-emitting piece 30 and the piece 50 to be detected, so that the light emitted by the light-emitting piece 30 can be better irradiated on the piece 50 to be detected, and the light emitted by the light-emitting piece 30 forms an even high-brightness irradiation plane on the piece 50 to be detected, so that the imaging definition of the image sensor can be improved. Therefore, the image sensor provided by the embodiment can solve the technical problem that the image sensor in the prior art is low in imaging definition.

Specifically, the movable assembly 20 in this embodiment is rotatably disposed on the housing 10 to adjust the illumination angle of the light-emitting member 30, so that the light emitted from the light-emitting member 30 is irradiated onto the object 50 to be detected.

In this embodiment, the movable assembly 20 is provided with a sliding groove 21, the light emitting member 30 is provided with a protruding block 40, and the protruding block 40 is movably disposed in the sliding groove 21. By adopting the structure, the light-emitting piece 30 can slide in the sliding groove 21 under the matching of the convex block 40 and the sliding groove 21, so that the relative distance between the light-emitting piece 30 and the piece 50 to be detected can be conveniently adjusted, the light emitted by the light-emitting piece 30 can be conveniently irradiated onto the piece 50 to be detected, and the imaging definition can be further improved.

Specifically, the movable element 20 in this embodiment may include a plurality of movable members 22, and the plurality of movable members 22 are disposed at intervals along the extending direction of the light-emitting member 30. With such a structure, the movement stability of the light emitting member 30 can be improved, so that the light emitting member 30 can be stably driven to move by the plurality of movable members 22. Specifically, the movable element 20 in this embodiment may include two movable elements 22, one movable element 22 is located at one end of the light-emitting element 30, and the other movable element 22 is located at the other end of the light-emitting element 30, so that the two movable elements 22 drive the light-emitting element 30 to move, thereby ensuring the stability of the movement.

Preferably, the image sensor in this embodiment further includes a fixed member movably disposed on the movable member 22. Specifically, the fixing member passes through the movable member 22 and is connected to the protrusion 40 in the sliding groove 21, so that after the light emitting member 30 moves to a desired position, the protrusion 40 is fixed and limited by the fixing member, thereby ensuring that the light emitting member 30 is stable and limited.

In the present embodiment, the movable member 22 includes the first connection plate 221 and the second connection plate 222, and the slide groove 21 is provided on the first connection plate 221. And a second connecting plate 222, one end of the second connecting plate 222 being connected to the first connecting plate 221, and the other end of the second connecting plate 222 being rotatably provided on the housing 10. By adopting the structure, the light-emitting element 30 can be driven to rotate by the movable element 22, and the distance between the movable element 22 and the light-emitting element 30 can be adjusted according to actual conditions, so that light emitted by the light-emitting element 30 can be clearly irradiated on the element 50 to be detected, and the imaging definition of the image sensor is improved.

Preferably, the first connecting plate 221 in this embodiment is a strip-shaped plate, and the sliding groove 21 is a strip-shaped groove extending along the extending direction of the first connecting plate 221. By adopting the structure, the position of the luminous piece 30 can be conveniently controlled, so that the relative distance between the luminous piece 30 and the piece to be detected 50 can be conveniently adjusted, the irradiation range of the luminous piece 30 can be conveniently optimized, the light of the luminous piece 30 can be conveniently and uniformly irradiated on the piece to be detected 50, and the irradiation definition and the imaging definition of the image sensor are improved.

Specifically, the second connecting plate 222 in this embodiment includes a first plate and a second plate, the first plate and the second plate are connected at a predetermined angle, the first plate is rotatably connected to the housing 10, and the second plate is connected to the first connecting plate 221. The second connecting plate 222 is an L-shaped plate. With the adoption of the structure, the connection relationship between the second connecting plate 222 and the first connecting plate 221 can be ensured, the second connecting plate 222 can stably rotate relative to the shell 10, and the structural layout and the installation layout are optimized.

In this embodiment, there may be a plurality of movable assemblies 20, correspondingly, there are a plurality of light emitting members 30, the plurality of light emitting members 30 are disposed in one-to-one correspondence with the plurality of movable assemblies 20, and each light emitting assembly is disposed on a corresponding movable assembly 20. Adopt such structure setting, drive a plurality of illuminating parts 30 through a plurality of movable assembly 20 and go on, can adjust a plurality of illuminating parts 30 and wait to detect the distance between the piece 50 and shine the angle to in the light that makes a plurality of illuminating parts 30 send better to wait to detect on the piece 50, thereby improve and shine and the definition that detects.

Preferably, the number of the movable assemblies 20 in this embodiment is two, one movable assembly 20 is located on one side of the housing 10, the other movable assembly 20 is located on the other side of the housing 10, and each movable assembly 20 is provided with the light emitting member 30. With such a structure, the light from the light sources on both sides illuminates the document surface, so that the light-emitting members 30 on both sides form a uniform and high-brightness light-emitting surface on the document surface (the document surface is the placing surface of the to-be-detected member 50), and the imaging areas in the scanning direction on any two adjacent photoelectric conversion members are partially overlapped, so that the image sensor realizes seamless scanning, and the imaging definition can be better improved by adjusting the positions and illumination angles of the two light-emitting members 30.

Specifically, the number of lenses in the present embodiment may be plural, and the plural lenses are arranged at intervals in the predetermined direction. Correspondingly, the number of the photoelectric conversion parts is multiple, the photoelectric conversion parts are arranged in one-to-one correspondence with the lenses, and each photoelectric conversion part is arranged opposite to the corresponding lens. Specifically, the plurality of lenses are linearly arranged along the scanning direction, and the photoelectric conversion elements are arranged in a one-to-one correspondence with the lenses at intervals in the scanning direction. The image sensor in this embodiment further includes a circuit board, and the photoelectric conversion element is disposed on the circuit board. Specifically, imaging regions of any two adjacent photoelectric conversion chips in the scanning direction partially overlap.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: the movable assembly can conveniently adjust the light-emitting angle of the light-emitting piece, so that the piece to be detected on the original surface can be clearly detected, and meanwhile, the relative position of the light-emitting piece and the movable assembly can be adjusted to adjust the distance between the light-emitting piece and the original surface and the piece to be detected, so that the light source forms an even high-brightness light-emitting surface on the original surface, and the purpose of imaging for cleaning the piece to be detected is achieved.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An image sensor, comprising:

a housing (10);

a lens and a photoelectric conversion member, both of which are disposed on the housing (10), the lens being disposed opposite to the photoelectric conversion member;

the movable assembly (20) is movably arranged on the shell (10), and the movable assembly (20) is positioned on the side part of the shell (10);

the luminous piece (30) is arranged on the movable assembly (20) and drives the luminous piece (30) to move through the movable assembly (20).

2. The image sensor according to claim 1, characterized in that the movable assembly (20) is rotatably arranged on the housing (10).

3. The image sensor according to claim 1, wherein the movable member (20) is provided with a sliding groove (21), and the light-emitting member (30) is provided with a protruding block (40), wherein the protruding block (40) is movably disposed in the sliding groove (21).

4. The image sensor according to claim 3, wherein the movable element (20) comprises a plurality of movable members (22), the plurality of movable members (22) being disposed at intervals along an extending direction of the light emitting member (30).

5. The image sensor according to claim 4, wherein the movable member (22) comprises:

a first connection plate (221) on which the slide groove (21) is provided;

a second connecting plate (222), one end of the second connecting plate (222) being connected to the first connecting plate (221), and the other end of the second connecting plate (222) being rotatably provided on the housing (10).

6. The image sensor according to claim 5, wherein the first connecting plate (221) is a strip-shaped plate, and the sliding groove (21) is a strip-shaped groove extending in an extending direction of the first connecting plate (221).

7. The image sensor according to claim 5, wherein the second connecting plate (222) comprises a first plate and a second plate, the first plate and the second plate being connected at a predetermined angle, the first plate being rotatably connected with the housing (10), the second plate being connected with the first connecting plate (221); the second connecting plate (222) is an L-shaped plate.

8. The image sensor according to claim 1, wherein the movable member (20) is plural, the light emitting member (30) is plural, and the plural light emitting members (30) are provided in one-to-one correspondence with the plural movable members (20).

9. The image sensor according to claim 1, wherein the movable assemblies (20) are two, one movable assembly (20) is located on one side of the housing (10), the other movable assembly (20) is located on the other side of the housing (10), and the light emitting member (30) is disposed on each movable assembly (20).

10. The image sensor according to claim 1, wherein the lens is plural, the plural lenses are arranged at intervals in a predetermined direction, the photoelectric conversion member is plural, the plural photoelectric conversion members are arranged in one-to-one correspondence with the plural lenses, and each photoelectric conversion member is arranged opposite to the corresponding lens.