CN115086512A

CN115086512A - Image pickup apparatus

Info

Publication number: CN115086512A
Application number: CN202111413347.5A
Authority: CN
Inventors: 关启福; 刘彦廷
Original assignee: Chicony Electronics Co Ltd
Current assignee: Chicony Electronics Co Ltd
Priority date: 2021-03-11
Filing date: 2021-11-25
Publication date: 2022-09-20

Abstract

The invention discloses a camera device which comprises an outer cover, a lens, a first circuit board and a second circuit board. The outer cover comprises a first end, a second end, a shaft hole and a limiting column, wherein the limiting column integrally extends from the second end. The lens is arranged at the first end. The first circuit board is fixed at the second end of the outer cover and comprises an inner surface and an outer surface, the inner surface is provided with a photosensitive element, the photosensitive element is positioned in the shaft hole and corresponds to the lens, the first circuit board is further provided with an avoiding area, and the avoiding area penetrates through the inner surface and the outer surface and corresponds to the limiting column. The second circuit board is electrically connected to the first circuit board and comprises a first surface and a second surface, the first surface faces the outer surface, and the limiting column of the outer cover penetrates out of the avoiding area and extends to the first surface to enable the first circuit board and the second circuit board to keep a fixed distance.

Description

Image pickup apparatus

Technical Field

The present invention relates to an optical device, and more particularly, to an imaging device.

Background

With the development of technology, camera devices are more and more commonly used in personal electronic products, automobiles, medical fields, etc. to capture external images. For example, an imaging device may be mounted on a vehicle to acquire images outside the vehicle for driving assistance.

In order to dispose a sufficient number of electronic components in a limited space, some image capturing devices employ a plurality of circuit boards stacked on top of each other, however, during the assembly or use of the image capturing device, the circuit boards are easily displaced by force and touch or press each other, resulting in damage to the circuit boards.

Disclosure of Invention

In view of the foregoing, in one embodiment, an image pickup apparatus includes an outer cover, a lens, a first circuit board, and a second circuit board. The outer cover comprises a first end and a second end which are axially opposite to each other, a shaft hole and a limiting column, and the limiting column integrally extends from the second end. The lens is arranged at the first end of the outer cover. The first circuit board is fixed at the second end of enclosing cover, and first circuit board includes relative internal surface and surface, and the internal surface is equipped with photosensitive element, and photosensitive element is located the shaft hole and corresponds to the camera lens, and first circuit board still is equipped with dodges the district, dodges the district and runs through internal surface and correspond to spacing post. The second circuit board is electrically connected to the first circuit board, the second circuit board comprises a first surface and a second surface which are opposite, the first surface faces the outer surface of the first circuit board, and the limiting column of the outer cover penetrates out of the avoiding area of the first circuit board and extends to the first surface of the second circuit board, so that the first circuit board and the second circuit board keep a fixed distance.

In summary, according to the camera device of the embodiment of the invention, the position-limiting column of the outer cover penetrates through the avoiding region of the first circuit board and extends to the first surface of the second circuit board, so that the first circuit board and the second circuit board can keep a fixed distance, and the first circuit board and the second circuit board are prevented from being damaged due to mutual contact or extrusion. In addition, the limiting column extends out from the outer cover integrally, and the additional arrangement of a limiting element is not needed, so that the cost is reduced and the assembly efficiency is improved.

Drawings

Fig. 1 is a perspective view of an embodiment of an imaging apparatus of the present invention.

Fig. 2 is an exploded perspective view of an embodiment of the imaging device of the present invention.

Fig. 3 is a partially exploded perspective view of an embodiment of the imaging device of the present invention.

Fig. 4 is a cross-sectional view taken along line 4-4 of fig. 1.

Fig. 5 is a partially exploded perspective view of another embodiment of the imaging device of the present invention.

Fig. 6 is a sectional view of another embodiment of the image pickup apparatus of the present invention.

Description of reference numerals:

1 image pickup device

10 outer cover

11 first end

12 second end

121 inner ring

122 outer ring

13 axle hole

14a, 14b spacing post

20 lens

30 first circuit board

301 first side

302 second side

31 inner surface

311 photosensitive element

32a, 32b avoidance zone

33 first assembling portion

34 second assembly part

35 outer surface of

36 first electric connector

37a, 37b, 37c, 37d corner region

40 second circuit board

41 first surface

42 second electrical connector

45 second surface

60 flexible circuit

D fixed distance between

S2 screw

Detailed Description

Various embodiments are presented below for detailed description, however, the embodiments are only used as examples for illustration and do not limit the scope of the invention to be protected. In addition, the drawings in the embodiments omit some elements to clearly show the technical features of the invention. The same reference numbers will be used throughout the drawings to refer to the same or like elements.

Fig. 1 is a perspective view of an embodiment of an image pickup apparatus of the present invention, fig. 2 is an exploded perspective view of the embodiment of the image pickup apparatus of the present invention, fig. 3 is a partially exploded perspective view of the embodiment of the image pickup apparatus of the present invention, and fig. 4 is a sectional view taken along line 4-4 of fig. 1. As shown in fig. 1 to 2, in the present embodiment, the image capturing apparatus 1 includes a cover 10, a lens 20, a first circuit board 30, and a second circuit board 40. In some embodiments, the camera device 1 can be applied to various electronic products for obtaining images around the electronic products. For example, the camera device 1 may be applied to electronic products such as a car product (e.g., a car recorder, a car backing system, or a panoramic image system), a mobile device (e.g., a smart phone, a tablet computer, or a notebook computer), or a camera.

As shown in fig. 1 to 4, the outer cover 10 includes a first end 11 and a second end 12 axially opposite to each other, a shaft hole 13 and a limiting post 14 a. In the embodiment, the shaft hole 13 penetrates through the first end 11 and the second end 12 of the outer lid 10, so that the outer lid 10 is in a ring shape and is hollow, wherein the shaft hole 13 may be a circular hole, an elliptical hole, a square hole or other irregular holes, which is not limited.

As shown in fig. 3 and 4, the position-limiting post 14a integrally extends from the second end 12 of the cover 10. for example, the cover 10 is integrally formed, such as the cover 10 may be made of metal or plastic and may be integrally formed by injection molding or machining. In this embodiment, the position-limiting pillar 14a is a cylindrical body and extends toward a direction away from the first end 11, and the position-limiting pillar 14a protrudes from the second end 12 of the outer cover 10.

As shown in fig. 2 to 4, in the embodiment, the second end 12 of the outer cover 10 further has an inner ring 121 and an outer ring 122, and the position-limiting post 14a of the outer cover 10 integrally extends from the inner ring 121, but this is not limited thereto, and in some embodiments, the position-limiting post 14a may also integrally extend from other positions of the second end 12 of the outer cover 10, for example, the position-limiting post 14a may integrally extend from a local area of the hole edge of the shaft hole 13.

As shown in fig. 2 to 4, the lens 20 is disposed at the first end 11 of the cover 10 to cover one end of the axial hole 13. The lens 20 can be fixed to the first end 11 of the cover 10 by other methods such as adhesion, snap, screw lock or welding.

As shown in fig. 1 to 3, the first circuit board 30 is fixed to the second end 12 of the cover 10 and covers an end of the shaft hole 13 away from the lens 20, the first circuit board 30 includes an inner surface 31 and an outer surface 35 opposite to each other, wherein the inner surface 31 is a surface of the first circuit board 30 facing the inner side of the cover 10, the inner surface 31 is provided with a photosensitive element 311, and the photosensitive element 311 is located in the shaft hole 13 and corresponds to the lens 20, so that external light can pass through the shaft hole 13 after entering the lens 20 and can be condensed on the photosensitive element 311, thereby enabling the photosensitive element 311 to sense and obtain an image. In some embodiments, the first circuit board 30 may have conductive traces and electronic components (such as a microprocessor, a resistor, a capacitor, etc.), which are omitted.

In some embodiments, the photosensitive element 311 may be a charge-coupled device (CCD), a Complementary Metal-Oxide Semiconductor (CMOS), or a Complementary Metal-Oxide Semiconductor Active pixel sensor (CMOS).

In some embodiments, the first circuit board 30 can be fixed to the second end 12 of the cover 10 by locking, adhering, or snapping. As shown in fig. 2 to 4, in the present embodiment, the first circuit board 30 includes a first assembly portion 33 and a second assembly portion 34, and the first circuit board 30 is fixed to the second end 12 of the cover 10 through the first assembly portion 33 and the second assembly portion 34, where the first assembly portion 33 and the second assembly portion 34 are through holes or threaded holes for two screws S2 to pass through and be locked to the second end 12 of the cover 10, respectively, so that the first circuit board 30 and the cover 10 are fixed to each other.

As shown in fig. 2 to 4, the first circuit board 30 further has an avoiding region 32a, the avoiding region 32a is a groove or a hole, and the avoiding region 32a penetrates through the inner surface 31 and the outer surface 35 and corresponds to the position-limiting post 14a of the outer cover 10, so that the position-limiting post 14a can penetrate into the avoiding region 32a after the first circuit board 30 is fixed to the second end 12 of the outer cover 10.

As shown in fig. 2 to 4, the second circuit board 40 is electrically connected to the first circuit board 30, for example, the first circuit board 30 and the second circuit board 40 can be electrically connected to each other through an electrical connector or a circuit. The second circuit board 40 includes a first surface 41 and a second surface 45 opposite to each other, in this embodiment, the second circuit board 40 and the first circuit board 30 are stacked to form a multi-layer circuit board structure, and the first surface 41 of the second circuit board 40 faces the outer surface 35 of the first circuit board 30. In some embodiments, the second circuit board 40 may also have conductive traces and electronic components (such as a microprocessor, a resistor or a capacitor), which are omitted here.

As shown in fig. 2 to 4, in the embodiment, the position-limiting pillar 14a of the outer cover 10 penetrates through the avoiding region 32a of the first circuit board 30 to protrude out of the outer surface 35 of the first circuit board 30, and the end of the position-limiting pillar 14a further extends to the first surface 41 of the second circuit board 40, for example, the end of the position-limiting pillar 14a may directly contact the first surface 41 or be very close to the first surface 41 (for example, a slight tolerance gap exists between the end of the position-limiting pillar 14a and the first surface 41).

Therefore, in the assembly or use process of the camera device 1, the second circuit board 40 can be limited by the limiting column 14a and keep a fixed distance D from the first circuit board 30, so as to prevent the first circuit board 30 and the second circuit board 40 from touching or extruding with each other due to external force, thereby preventing the circuits or electronic elements of the first circuit board 30 and the second circuit board 40 from being damaged. In addition, the position-limiting column 14a integrally extends from the outer cover 10, and it is not necessary to add another position-limiting element, so as to reduce the cost and improve the assembly efficiency, that is, the position-limiting column 14a can be integrally formed after the outer cover 10 is manufactured, so that it is not necessary to separately manufacture another position-limiting element and reduce the manufacturing cost, and the outer cover 10 can achieve the effect of the position-limiting circuit board after being assembled, and it is not necessary to install another position-limiting element and reduce the assembly time and improve the assembly efficiency.

As shown in fig. 2 to 4, in the present embodiment, the first circuit board 30 and the second circuit board 40 are electrically connected to each other through an electrical connector, wherein the outer surface 35 of the first circuit board 30 is provided with a first electrical connector 36, and the first surface 41 of the second circuit board 40 is provided with a second electrical connector 42, for example, the first electrical connector 36 and the second electrical connector 42 can be a socket electrical connector and a plug electrical connector, respectively, and the first electrical connector 36 and the second electrical connector 42 are correspondingly connected to each other, so that the first circuit board 30 and the second circuit board 40 are electrically connected to each other, and the first circuit board 30 and the second circuit board 40 can further avoid touching or pressing each other through the limitation of the first electrical connector 36 and the second electrical connector 42.

As shown in fig. 3 and 4, the avoidance area 32a and the first electrical connector 36 of the first circuit board 30 are respectively adjacent to two opposite sides of the first circuit board 30 to enhance the limiting effect, for example, in the embodiment, the first circuit board 30 includes a first side 301 and a second side 302 opposite to each other, the avoidance area 32a and the limiting pillar 14a are adjacent to the first side 301, and the first electrical connector 36 is adjacent to the second side 302, so that both opposite sides of the second circuit board 40 can be limited by the limiting pillar 14a and the first electrical connector 36, respectively, to ensure that the second circuit board 40 cannot approach the first circuit board 30 under stress, and prevent the first circuit board 30 and the second circuit board 40 from touching or pressing each other.

As shown in fig. 3, the first assembly portion 33 and the second assembly portion 34 of the first circuit board 30 are also respectively adjacent to two opposite sides of the first circuit board 30, for example, in the present embodiment, the first assembly portion 33 is adjacent to the first side 301, and the second assembly portion 34 is adjacent to the second side 302, so that the two opposite sides of the first circuit board 30 can be fixed and more stable, and the first circuit board 30 is prevented from being displaced due to a force.

More preferably, the first assembly portion 33, the second assembly portion 34 and the avoiding region 32a may be respectively located in three of four

corner regions

37a, 37b, 37c and 37d of the first circuit board 30, as shown in fig. 3, here, the first assembly portion 33 and the avoiding region 32a are located in two

corner regions

37a and 37b of the first circuit board 30 near the first side 301, the second assembly portion 34 is located at a diagonal position of the first assembly portion 33 and located in one corner region 37c of the first circuit board 30 near the second side 302, and a local region of the first electrical connector 36 extends to another corner region 37d of the first circuit board 30 near the second side 302. Therefore, two

corner areas

37a, 37c of the first circuit board 30 located at the opposite corners can be fixed to the outer cover 10 to obtain a stable positioning effect, and the other two

corner areas

37b, 37d located at the opposite corners can generate a limiting effect on the second circuit board 40 through the limiting post 14a and the first electrical connector 36, so as to prevent the first circuit board 30 and the second circuit board 40 from touching or extruding each other.

Fig. 5 is a partially exploded perspective view of another embodiment of the image pickup apparatus of the present invention, and fig. 6 is a sectional view of another embodiment of the image pickup apparatus of the present invention. As shown in fig. 5 and fig. 6, the difference between the present embodiment and the embodiment shown in fig. 3 and fig. 4 is at least that the first Circuit board 30 and the second Circuit board 40 of the present embodiment are electrically connected to each other through a Flexible Circuit 60, for example, the Flexible Circuit 60 can be a Flexible Printed Circuit (Flexible Printed Circuit), the cover 10 further includes another position-limiting pillar 14b, the first Circuit board 30 is provided with another position-limiting region 32b corresponding to the another position-limiting pillar 14b, and the another position-limiting pillar 14b penetrates the another position-limiting region 32b and extends to the first surface 41 of the second Circuit board 40, so that the second Circuit board 40 can be simultaneously limited by the two position-limiting

pillars

14a and 14b to obtain a better position-limiting effect, so as to make the first Circuit board 30 and the second Circuit board 40 keep a fixed distance D through the two position-limiting

pillars

14a and 14 b. In some embodiments, the number of the limiting posts of the outer cover 10 and the number of the avoiding areas of the first circuit board 30 may also be three or more, which is not limited.

As shown in fig. 5 and 6, the avoidance area 32a and the other avoidance area 32b of the first circuit board 30 are respectively adjacent to two opposite sides of the first circuit board 30 to enhance the limiting effect, for example, in the present embodiment, the avoidance area 32a and the limiting pillar 14a are adjacent to the first side 301, and the avoidance area 32b and the limiting pillar 14b are adjacent to the second side 302, so that two opposite sides of the second circuit board 40 can be respectively limited by the limiting pillar 14a and the other limiting pillar 14b to ensure that the second circuit board 40 is not forced to approach the first circuit board 30, and the first circuit board 30 and the second circuit board 40 are prevented from touching or extruding each other.

Preferably, the first assembly portion 33, the second assembly portion 34, the avoiding region 32a and the another avoiding region 32b may be respectively located in four

corner regions

37a, 37b, 37c and 37d of the first circuit board 30, as shown in fig. 5 and 6, here, the first assembly portion 33 and the avoiding region 32a are located in two

corner regions

37a and 37b of the first circuit board 30 close to the first side 301, the second assembly portion 34 is located at a diagonal position of the first assembly portion 33 and located in one corner region 37c of the first circuit board 30 close to the second side 302, and the another avoiding region 32b is located in another corner region 37d close to the second side 302. Therefore, two

corner regions

37b, 37d located at the opposite corners can limit the second circuit board 40 through the limiting post 14a and the other limiting post 14b to prevent the first circuit board 30 and the second circuit board 40 from touching or pressing each other.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An image pickup apparatus, comprising:

the outer cover comprises a first end and a second end which are axially opposite to each other, a shaft hole and a limiting column, and the limiting column integrally extends from the second end;

the lens is arranged at the first end of the outer cover;

the first circuit board is fixed at the second end of the outer cover, the first circuit board comprises an inner surface and an outer surface which are opposite, the inner surface is provided with a photosensitive element, the photosensitive element is positioned in the shaft hole and corresponds to the lens, the first circuit board is also provided with an avoiding area, and the avoiding area penetrates through the inner surface and the outer surface and corresponds to the limiting column; and

the second circuit board is electrically connected to the first circuit board and comprises a first surface and a second surface which are opposite, the first surface faces the outer surface of the first circuit board, and the limiting column of the outer cover penetrates through the avoiding area of the first circuit board and extends to the first surface of the second circuit board, so that the first circuit board and the second circuit board keep a fixed distance.

2. The image capturing apparatus as claimed in claim 1, wherein the first circuit board has a first electrical connector on the outer surface thereof, and the second circuit board has a second electrical connector on the first surface thereof, the first and second electrical connectors being connected to each other.

3. The image capturing device as claimed in claim 2, wherein the avoiding region and the first electrical connector are respectively adjacent to two opposite sides of the first circuit board.

4. The camera device of claim 3, wherein the first circuit board includes a first assembly portion and a second assembly portion, the first circuit board is fixed to the second end of the cover through the first assembly portion and the second assembly portion, and the first assembly portion and the second assembly portion are respectively adjacent to two opposite sides of the first circuit board.

5. The image capturing device as claimed in claim 4, wherein the first circuit board includes four corner regions, and the first assembly portion, the second assembly portion and the avoiding region are respectively located in three of the four corner regions.

6. The camera device of claim 1, wherein the second end of the outer cover includes an inner ring, the retention post integrally extending from the inner ring.

7. The image pickup device according to claim 1, wherein the first circuit board and the second circuit board are electrically connected to each other by a flexible wiring.

8. The camera device according to claim 7, wherein the cover includes another position-limiting post, the first circuit board is provided with another avoiding region corresponding to the another position-limiting post, and the another position-limiting post passes through the another avoiding region and extends to the first surface of the second circuit board, so as to keep the first circuit board and the second circuit board at the fixed distance together via the position-limiting post and the another position-limiting post.

9. The imaging apparatus according to claim 8, wherein the avoidance region and the other avoidance region are respectively adjacent to opposite sides of the first circuit board.

10. The camera device as claimed in claim 9, wherein the first circuit board includes a first assembly portion and a second assembly portion, the first circuit board is fixed to the second end of the cover through the first assembly portion and the second assembly portion, and the first assembly portion and the second assembly portion are respectively adjacent to two opposite sides of the first circuit board.

11. The image pickup device according to claim 10, wherein the first circuit board includes four corner regions, and the first assembling portion, the second assembling portion, the avoiding region and the another avoiding region are respectively located in the four corner regions.