CN210640940U - Image sensor with a plurality of pixels - Google Patents

Abstract

The utility model provides an image sensor, include: the frame comprises a frame body and a stop limiting part arranged on the frame body, wherein the frame body is provided with an installation cavity and an opening communicated with the installation cavity, and the substrate is detachably arranged on the frame body to cover the opening; the first end of the stopping limiting part is connected with the end face, located at the opening, of the frame body, and the second end of the stopping limiting part is bent towards one side of the opening so as to form a limiting groove structure used for stopping the edge of the substrate together with the frame body. The utility model provides a contact image sensor among the prior art lead to finished product assembly efficiency low and win to be difficult to disassemble and lead to the poor and poor problem of economic nature of practicality because of being difficult to the equipment.

Description

Image sensor with a plurality of pixels

Technical Field

The utility model relates to an image scanning technical field particularly, relates to an image sensor's institutional advancement.

Background

The contact image sensor is used for accurately scanning the original to distinguish the authenticity of the original or obtain the information covered by the original, and the application is more and more extensive.

The contact image sensor generally includes a frame, a light source, a transparent plate, a PCB, and a lens, wherein the light source and the lens need to be installed inside the frame, and the transparent plate and the PCB need to be covered and installed on the frame.

In the prior art, the installation of light-transmitting plate and PCB circuit board mainly bonds with the framework through gluing agent (such as light-transmitting plate glue or ultraviolet glue), and this kind of mounting means has following several problems:

firstly, the adhesive generally needs longer curing time and harsh curing conditions, so that the finished product assembly efficiency of the contact image sensor is reduced, and the processing and manufacturing cost of the contact image sensor is improved;

secondly, for the contact image sensor needing to be maintained, due to the viscous property of the adhesive, when the light-transmitting plate or the PCB is disassembled, destructive disassembly is probably caused to the contact image sensor, so that the damaged light-transmitting plate and the PCB cannot be recycled and reused, and resources are wasted; the light-transmitting plate or the PCB circuit which is not damaged in the structure can be reused after adhesive attached to the light-transmitting plate or the PCB circuit is carefully cleaned, so that waste of manpower, material resources and financial resources is caused, and the problem that the conventional contact type image sensor is poor in practicability and economical efficiency is solved.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an image sensor to solve the problem that the contact image sensor in the prior art is difficult to assemble and results in low assembly efficiency and win to be disassembled and result in poor practicability and poor economical efficiency.

In order to achieve the above object, the present invention provides an image sensor, including: the frame comprises a frame body and a stop limiting part arranged on the frame body, wherein the frame body is provided with an installation cavity and an opening communicated with the installation cavity, and the substrate is detachably arranged on the frame body to cover the opening; the first end of the stopping limiting part is connected with the end face, located at the opening, of the frame body, and the second end of the stopping limiting part is bent towards one side of the opening so as to form a limiting groove structure used for stopping the edge of the substrate together with the frame body.

Further, the opening comprises a first opening formed at the top end of the frame body, and the substrate is a shading plate covering the first opening; the opening comprises a second opening formed at the bottom end of the frame body, and the substrate is a circuit carrier plate covering the second opening.

Furthermore, the circuit carrier board is a PCB circuit board used for bearing and connecting the light sensing part; or the circuit carrier plate comprises a bearing plate and a PCB, wherein the bearing plate is arranged at the position of the limiting groove structure and covers the second opening, and the PCB is used for bearing and connecting the light sensing part.

Furthermore, the stop limit part extends along the length direction of the frame body, and the substrate is installed on the frame body in a sliding manner along the length direction of the frame body; the two stopping limiting parts are respectively positioned at two sides of the first opening along the width direction of the frame body; and/or the two stopping limiting parts are positioned on two sides of the second opening along the width direction of the frame body respectively.

Furthermore, the stop limit part extends along the length direction of the frame body, and the substrate is installed on the frame body in a sliding manner along the length direction of the frame body; wherein, two sides of the first opening along the width direction of the frame body are respectively provided with a stop limiting part; one side of the second opening in the width direction of the frame body is provided with a stop limiting part, one end of the substrate in the width direction is located at the stop limiting part, and the other end of the substrate in the width direction is connected with the frame body through a first fastener or is bonded with the frame body through bonding glue.

Further, image sensor still includes compresses tightly the strip, compresses tightly the strip and sets up in spacing groove structure along the length direction of the spacing portion of backstop to be located the one side that deviates from the frame body of base plate, in order to compress tightly the base plate on the frame body.

Further, the image sensor further comprises a shock pad, and the shock pad is arranged between the frame body and the substrate.

Further, the compressing strips and the shock pads are made of one material or a flexible material of rubber, silica gel and sponge, and the shock pads are adhered to the upper surface of the frame body through adhesive glue.

Further, the top wall surface of the limiting groove structure is upwards sunken to form a clamping groove, and the partial surface of the top wall surface, which is positioned on one side of the clamping groove close to the opening part of the limiting groove structure, obliquely extends to form a guide inclined surface for mounting the pressing strip.

Furthermore, one or more avoidance notches are formed in each stop limit part, and the pressing strip is exposed at the avoidance notches.

Furthermore, the frame body and the stop limiting part are of an integrated structure; or the stop limiting part is detachably arranged on the frame body through a second fastener.

Further, image sensor still includes luminescent light source and lens, and luminescent light source and lens all set up in the installation cavity, and wherein, lens set up the middle part at the installation cavity along the length direction of frame body, and luminescent light source is two, and two luminescent light sources are located the both sides of lens respectively.

Use the technical scheme of the utility model, through the structure of optimizing image sensor's framework for the framework includes framework body and sets up the spacing portion of backstop above that, and the spacing portion cooperation framework body of backstop has formed the spacing groove structure. Like this, the mode of image sensor's equipment and disassembling has been changed, that is to say, when equipment image sensor, push the spacing inslot structure with the gliding mode with the base plate, not only can realize that the base plate covers the open-ended of framework body, and protects the components and parts in the framework effectively, and spacing inslot structure has played the effective limiting displacement to the base plate moreover, has ensured that image sensor's overall structure is firm, is favorable to promoting by a wide margin of image sensor's packaging efficiency. When the image sensor is disassembled and assembled, the opening can be exposed only by taking the substrate out of the limiting groove structure, so that maintenance personnel can maintain and repair the components in the frame body conveniently, the use convenience and the practicability of the image sensor are greatly improved, and the economical efficiency of the image sensor is also improved.

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 shows a schematic front cross-sectional view of an image sensor according to a first embodiment of the present invention;

FIG. 2 shows an enlarged schematic view at A in FIG. 1;

FIG. 3 shows a schematic top view of the image sensor of FIG. 1;

fig. 4 shows a schematic front cross-sectional view of an image sensor according to a second embodiment of the invention;

fig. 5 shows a schematic front cross-sectional view of an image sensor according to a third embodiment of the present invention;

fig. 6 shows a schematic front cross-sectional view of an image sensor according to a fourth embodiment of the invention;

wherein the figures include the following reference numerals:

10. a frame body; 11. a frame body; 111. a mounting cavity; 112. an opening; 113. a first opening; 114. a second opening; 12. a stop limiting part; 121. avoiding the notch; 100. a limiting groove structure; 101. a top wall surface; 102. a clamping groove; 104. a mouth; 105. a guide slope; 20. a substrate; 21. a visor; 22. a circuit carrier board; 221. a carrier plate; 222. a PCB circuit board; 30. a light sensing section; 40. compressing the strips; 50. a shock pad; 60. a light emitting source; 70. a lens; 80. a first fastener; 90. a second fastener.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In order to solve the problems of low assembly efficiency of finished products due to difficult assembly and poor practicability and economy due to difficult disassembly of the contact image sensor in the prior art, the utility model provides a new structural form of the image sensor, it should be noted that the image sensor involved in the application is also effectively a contact image sensor, however, it is not limited thereto, and any sensor having the same frame structure as the frame connected to the image sensor of the present invention is within the scope of the present invention, and the image sensor of the present invention is mainly used for scanning documents such as paper money, bonds, and coins, the structure of the image sensor of the present application is particularly suitable for a large-sized contact image sensor (generally, an image sensor product having a scanning width of 300mm or more) to acquire original information or verify authenticity of an original.

The image sensor of this application adopts special structure, utilizes physical mode fixed mounting base plate 20, makes things convenient for image sensor's integral erection and dismantlement, can realize image sensor's harmless disassembling simultaneously, raises the efficiency, resources are saved.

Example one

As shown in fig. 1 to 3, the image sensor includes a frame 10 and a substrate 20, the frame 10 includes a frame body 11 and a stop limit portion 12 disposed thereon, wherein the frame body 11 has a mounting cavity 111 and an opening 112 communicating with the mounting cavity 111, and the substrate 20 is detachably disposed on the frame body 11 to cover the opening 112; the first end of the stopping and limiting portion 12 is connected to the end surface of the frame body 11 at the opening 112, and the second end of the stopping and limiting portion 12 is bent toward the opening 112 side to form a limiting groove structure 100 for stopping the edge of the substrate 20 with the frame body 11.

By optimizing the structure of the frame 10 of the image sensor, the frame 10 includes a frame body 11 and a stop limit portion 12 disposed thereon, and the stop limit portion 12 cooperates with the frame body 11 to form a limit groove structure 100. Thus, the assembling and disassembling modes of the image sensor are changed, that is, when the image sensor is assembled, the substrate 20 is pushed into the limiting groove structure 100 in a sliding manner, so that not only can the substrate 20 cover the opening 112 of the frame body 11, but also components in the frame body 10 are effectively protected, and the limiting groove structure 100 plays an effective limiting role on the substrate 20, thereby ensuring the stability of the overall structure of the image sensor, and being beneficial to greatly improving the assembling efficiency of the image sensor. When the image sensor is disassembled and assembled, the opening 112 can be exposed only by taking the substrate 20 out of the limiting groove structure 100, so that maintenance personnel can maintain and repair the components in the frame body 10 conveniently, the use convenience and the practicability of the image sensor are greatly improved, and the economical efficiency of the image sensor is also improved.

In the present embodiment, as shown in fig. 1, the opening 112 includes a first opening 113 formed at the top end of the frame body 11, and the substrate 20 is a light shielding plate 21 covering the first opening 113; meanwhile, as shown in fig. 1, the opening 112 includes a second opening 114 formed at the bottom end of the frame body 11, and the substrate 20 is the circuit carrier board 22 covering the second opening 114. That is, the top end and the bottom end of the frame 10 are formed with a limiting groove structure 100 for installing and positioning the light shielding plate 21 and the circuit carrier plate 22, respectively.

Specifically, as shown in fig. 1, the stopper 12 extends in the longitudinal direction of the frame body 11 (X direction in fig. 3, i.e., the scanning direction of the image sensor), and the substrate 20 is slidably mounted on the frame body 11 in the longitudinal direction of the frame body 11 (X direction in fig. 3); in this way, the substrate 20 can be easily attached and detached in the X direction, the number of the stopper portions 12 is two, and the two stopper portions 12 are respectively located on both sides of the first opening 113 in the width direction (Y direction in fig. 1) of the frame body 11. Thus, the two stop limiting parts 12 have the stop limiting effect on the vertical direction and the Y direction of the light shielding plate 21, and the installation stability of the light shielding plate 21 is ensured.

As shown in fig. 1, similarly, there are two stopper portions 12, and the two stopper portions 12 are respectively located on both sides of the second opening 114 along the width direction (X direction in fig. 3) of the frame body 11. In this way, the substrate 20 can be easily attached and detached in the X direction, the number of the stopper portions 12 is two, and the two stopper portions 12 are respectively located on both sides of the first opening 113 in the width direction (Y direction in fig. 1) of the frame body 11. Thus, the two stop limiting parts 12 play a role in stopping and limiting the vertical direction and the Y direction of the circuit carrier plate 22, and ensure the installation stability of the circuit carrier plate 22.

In the present embodiment, the circuit carrier 22 is a PCB 222 for carrying and connecting the light-sensing part 30.

As shown in fig. 1 and 2, the image sensor further includes a pressing bar 40, and the pressing bar 40 is disposed in the limiting groove structure 100 along the length direction (X direction in fig. 3) of the stop limiting portion 12 and located on the side of the substrate 20 away from the frame body 11 to press the substrate 20 on the frame body 11. Like this, compress tightly strip 40 can the interference fit in spacing groove structure 100 to fill the spacing part that removing base plate 20 occupied in spacing groove structure 100, thereby compress tightly base plate 20 in spacing groove structure 100, make base plate 20 can't free activity in spacing groove structure 100, played the effect of fixed base plate 20.

Optionally, the pressing strip 40 is made of one of rubber, silica gel and sponge or a flexible material, so that the pressing strip 40 is pressed in the limiting groove structure 100 to deform and tighten in the limiting groove structure 100, thereby ensuring the installation stability of the substrate 20 and the frame body 11.

Alternatively, the cross-section of the pressing bar 40 is formed in a circular shape, a Y-shape, or a U-shape. In this embodiment, the cross section is circular in consideration of the convenience of processing and manufacturing the pressing strip 40.

To further ensure the stability of the pressing strip 40 in the limiting groove structure 100, optionally, the pressing strip 40 is bonded to the stop limiting portion 12 and/or the substrate 20 by an adhesive.

As shown in fig. 2, the top wall surface 101 of the stopper groove structure 100 is recessed upward to form a detent groove 102, and a part of the surface of the top wall surface 101 on the side of the detent groove 102 close to the mouth portion 104 of the stopper groove structure 100 is extended obliquely to form a guide slope 105 for mounting the pressing bar 40. Like this, be favorable to compressing tightly the installation of strip 40, because the diameter of compressing tightly strip 40 and the thickness of base plate 20 are greater than the width of the vertical direction of spacing groove structure 100, to compressing tightly strip 40, certain magnitude of interference has, and compress tightly strip 40 has better elasticity again, operating personnel can be along the X direction constantly with compressing tightly strip 40 by the oral area 104 installation entering spacing groove structure 100 of spacing groove structure 100, until compressing tightly strip 40 and get into screens groove 102 department, stable installation, setting up of direction inclined plane 105 provides the guide effect for compressing tightly strip 40 effectively, make the installation operation that compresses tightly strip 40 convenient, easy to implement.

The pressing strip 40 may be pressed into the locking groove 102 along the X direction, or may be pressed into the locking groove 102 in a segmented manner.

In order to prevent the substrate 20 from rubbing against the upper surface of the frame body 11 when the substrate 20 is mounted, and from being scratched or otherwise damaged due to the substrate 20 being pressed into hard-to-hard contact with the upper surface of the frame body 11, as shown in fig. 1 and 2, the image sensor further includes a shock pad 50, and the shock pad 50 is disposed between the frame body 11 and the substrate 20.

Alternatively, the shock absorbing pad 50 is made of a flexible material selected from rubber, silicone, and sponge, and the shock absorbing pad 50 is attached to the upper surface of the frame body 11 by adhesive.

In addition, another important function of the damper pad 50 is that the base plate 20 is brought into close contact with the upper surface of the frame body 11 by the pressing force of the pressing bar 40, and a sealing function of the mounting cavity 111 can be performed. In the conventional contact image sensor, an adhesive is applied to the periphery of the substrate 20 to achieve a sealing effect.

As shown in fig. 3, each stopper and stopper portion 12 is provided with one or more avoidance notches 121, and the pressing strip 40 is exposed at the avoidance notches 121. Because the pressing strip 40 is impressed behind the spacing groove structure 100, its both ends and the both ends of frame body 11 are parallel and level basically, and when dismantling, pressing strip 40 is difficult to take out, in order to solve this problem, has seted up one or more on the spacing portion 12 of backstop and dodge breach 121, should dodge breach 121 and enable pressing strip 40 part and expose, utilize the instrument, insert in dodging breach 121, will press strip 40 to collude. The escape notch 121 may be formed in one piece, or a plurality of pieces may be formed along the length direction of the stopper 12 according to the length of the frame body 11.

In the present embodiment, in order to reduce the overall manufacturing cost of the housing 10, the housing body 11 and the stopper 12 are integrally formed.

As shown in fig. 1, the image sensor further includes a light emitting source 60 and a lens 70, where the light emitting source 60 and the lens 70 are both disposed in the mounting cavity 111, the lens 70 is disposed in the middle of the mounting cavity 111 along the length direction of the frame body 11, the number of the light emitting sources 60 is two, and the two light emitting sources 60 are respectively located at two sides of the lens 70.

Example two

As shown in fig. 4, the difference between the first embodiment and the second embodiment is that the circuit carrier 22 includes a carrier 221 and a PCB 222, wherein the carrier 221 is disposed at the position of the position-limiting groove structure 100 and covers the second opening 114, and the PCB 222 is used for carrying and connecting the light-sensing portions 30. Thus, the carrier plate 221 protects the PCB 222 and ensures the circuit stability of the image sensor.

EXAMPLE III

As shown in fig. 5, the embodiment is different from the second embodiment in that one side of the second opening 114 along the width direction of the frame body 11 is provided with a stop limiting portion 12, one end of the carrier plate 221 in the width direction is located at the stop limiting portion 12, and the other end of the carrier plate 221 in the width direction is connected to the frame body 11 through the first fastening member 80 or is adhered to the frame body 11 through an adhesive. Thus, when the length of the image sensor is large, or there is a fear that the light-sensing portion 30 and other devices on the PCB 222 may be damaged, or when it is not feasible to insert the carrier plate 221 from the end of the length direction of the housing body 11, it is necessary to insert the carrier plate 221 from one side of the width direction of the housing body 11, as shown in fig. 5, the carrier plate 221 is inserted into the stopper limiting portion 12 along the Y direction, after the carrier plate 221 is inserted, one side of the carrier plate 221 is pressed by the pressing bar 40, and then the other side of the carrier plate 221 is connected to the housing body 11 by the first fastening member 80, but the first fastening member 80 may be replaced by an adhesive.

Example four

As shown in fig. 6, the present embodiment is different from the first embodiment in that the stopper 12 is detachably mounted on the frame body 11 by the second fastening member 90. Therefore, the installation and the disassembly of the substrate 20 are convenient, the stop limit part 12 can be replaced and maintained as a quick-wear part, and the practicability of the image sensor is greatly improved.

In this embodiment, the stop limit portion 12 is connected to the frame body 11 through the second fastening member 90. After the stopper 12 is connected to the frame body 11, the substrate 20 and the pressing bar 40 can be mounted in the manner of the first embodiment. The advantage of this embodiment lies in, through set up on frame body 11 with second fastener 90 complex waist type screw hole, and then can backstop spacing portion 12 in the position of vertical direction to can adjust the width of spacing groove structure 100 in vertical direction, just so, can satisfy the installation requirement of the base plate 20 of different thickness with same set of frame 10, practice thrift the cost.

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.

Unless specifically stated 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 invention. 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.

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 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 is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

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 (12)

1. An image sensor, comprising:

the frame body (10) comprises a frame body (11) and a stop limiting part (12) arranged on the frame body (10), wherein the frame body (11) is provided with an installation cavity (111) and an opening (112) communicated with the installation cavity (111), and the substrate (20) is detachably arranged on the frame body (11) to cover the opening (112);

the first end of the stopping and limiting part (12) is connected with the end face, located at the opening (112), of the frame body (11), and the second end of the stopping and limiting part (12) is bent towards one side of the opening (112) so as to form a limiting groove structure (100) used for stopping the edge of the substrate (20) with the frame body (11).

2. The image sensor of claim 1,

the opening (112) comprises a first opening (113) formed at the top end of the frame body (11), and the substrate (20) is a light shielding plate (21) covering the first opening (113);

the opening (112) comprises a second opening (114) formed at the bottom end of the frame body (11), and the substrate (20) is a circuit carrier plate (22) covering the second opening (114).

3. The image sensor of claim 2,

the circuit carrier board (22) is a PCB (222) used for carrying and connecting the light-sensing part (30); or

The circuit carrier (22) comprises a bearing plate (221) and a PCB (222), wherein the bearing plate (221) is arranged at the position of the limiting groove structure (100) and covers the second opening (114), and the PCB (222) is used for bearing and connecting the light sensing part (30).

4. The image sensor according to claim 2, wherein the stopper (12) extends along a longitudinal direction of the frame body (11), and the substrate (20) is slidably mounted on the frame body (11) along the longitudinal direction of the frame body (11);

the two stopping limiting parts (12) are respectively positioned at two sides of the first opening (113) along the width direction of the frame body (11); and/or

The number of the stop limiting parts (12) is two, and the two stop limiting parts (12) are respectively located on two sides of the second opening (114) along the width direction of the frame body (11).

5. The image sensor according to claim 2, wherein the stopper (12) extends along a longitudinal direction of the frame body (11), and the substrate (20) is slidably mounted on the frame body (11) along the longitudinal direction of the frame body (11); wherein the content of the first and second substances,

two sides of the first opening (113) along the width direction of the frame body (11) are respectively provided with one stop limiting part (12);

one side of the second opening (114) along the width direction of the frame body (11) is provided with the stop limiting part (12), one end of the substrate (20) in the width direction is located at the stop limiting part (12), and the other end of the substrate (20) in the width direction is connected with the frame body (11) through a first fastener (80) or is bonded with the frame body (11) through bonding glue.

6. The image sensor according to any one of claims 1 to 5, further comprising a pressing bar (40), wherein the pressing bar (40) is disposed in the limiting groove structure (100) along a length direction of the stop limiting portion (12) and is located on a side of the substrate (20) facing away from the frame body (11) to press the substrate (20) on the frame body (11).

7. The image sensor according to claim 6, further comprising a shock-absorbing pad (50), wherein the shock-absorbing pad (50) is disposed between the frame body (11) and the substrate (20).

8. The image sensor according to claim 7, wherein the pressing strip (40) and the shock absorbing pad (50) are made of one of rubber, silica gel and sponge or flexible material, and the shock absorbing pad (50) is adhered to the upper surface of the frame body (11) through adhesive glue.

9. The image sensor according to claim 6, wherein a top wall surface (101) of the stopper groove structure (100) is recessed upward to form a stopper groove (102), and a portion of a surface of the top wall surface (101) on a side of the stopper groove (102) close to a mouth portion (104) of the stopper groove structure (100) is inclined to extend to form a guide slope (105) for mounting the pressing bar (40).

10. The image sensor according to claim 6, wherein each stop limiting portion (12) is provided with one or more avoidance gaps (121), and the pressing strip (40) is exposed at the avoidance gaps (121).

11. The image sensor of claim 1,

the frame body (11) and the stop limiting part (12) are of an integral structure; or

The stop limiting part (12) is detachably mounted on the frame body (11) through a second fastener (90).

12. The image sensor according to claim 1, further comprising a light emitting source (60) and a lens (70), wherein the light emitting source (60) and the lens (70) are both disposed in the mounting cavity (111), the lens (70) is disposed in a middle portion of the mounting cavity (111) along a length direction of the frame body (11), the number of the light emitting sources (60) is two, and the two light emitting sources (60) are respectively located at two sides of the lens (70).

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