WO2021047560A1

WO2021047560A1 - Camera module and electronic device

Info

Publication number: WO2021047560A1
Application number: PCT/CN2020/114287
Authority: WO
Inventors: 吴承勋
Original assignee: 华为技术有限公司
Priority date: 2019-09-09
Filing date: 2020-09-09
Publication date: 2021-03-18
Also published as: CN210780978U

Abstract

Provided are a camera module and an electronic device. The camera module comprises a lens cone and a plate body, wherein the plate body is positioned between a housing and a closed end of the lens cone, and the plate body covers the closed end; a mounting hole is provided in the housing; a light transmission area is arranged on the plate body; a light transmission opening is provided at the closed end; central lines of the mounting hole, the light transmission area and the light transmission opening are collinearly provided; and the area of the light transmission area is smaller than that of the mounting hole. The housing is in contact with the closed end of the lens cone through the plate body, and the area of the light transmission area on the plate body is smaller than that of the mounting hole. Relative to the fact that the housing is in direct contact with the closed end via foam, the stress area of the closed end is expanded, so as to make the stress on the closed end uniform, thereby preventing the working of a lens assembly from being affected due to local stress on the closed end.

Description

Camera module and electronic equipment

This application claims the priority of a Chinese patent application filed with the Chinese Patent Office with application number 201921508696.3 and application name "Camera Module and Electronic Equipment" on September 9, 2019. The entire content of this application is incorporated into this application by reference.

Technical field

The utility model relates to the technical field of electronic equipment, in particular to a camera module and electronic equipment.

Background technique

With the gradual development of electronic device technology, electronic devices such as mobile phones and tablet computers are often equipped with camera modules to take pictures or videos through the camera modules.

The camera module includes a lens barrel and a lens assembly. The lens barrel has an open end and a closed end. The closed end is provided with a light transmission port. The lens assembly is inserted into the lens barrel from the open end of the lens barrel; the housing of the electronic device is arranged There is a mounting hole, the lens barrel is set in the housing, and the light-transmitting port is set directly opposite to the mounting hole. The area of the mounting hole is larger than the area of the light-transmitting port; the housing and the closed end are connected by foam, and the foam is in the shape of a plate. The foam is provided with a process hole directly opposite to the mounting hole, and the area of the process hole is the same as the area of the mounting hole. When working, external light enters the lens barrel through the mounting hole and the light-transmitting port, and then forms an image through the lens assembly.

However, the contact area between the foam and the closed end is small, which easily causes local force on the closed end, which makes the lens barrel deformed due to uneven force, which affects the operation of the lens assembly.

Utility model content

In view of this, the embodiments of the present invention provide a camera module and electronic equipment to solve the problem that the contact area between the foam and the closed end in the prior art is small, which is likely to cause the closed end to be locally stressed, causing uneven force on the lens barrel Deformation occurs, which affects the technical problems of the lens assembly.

The embodiment of the utility model provides a camera module, including: a lens barrel and a plate body, the plate body is used to be arranged between the housing and the closed end of the lens barrel, the plate body covers the closed end; the housing is provided with For the mounting hole, the board is provided with a light-passing area, the closed end is provided with a light-transmitting port, and the center lines of the mounting hole, the light-passing area and the light-transmitting port are arranged collinearly, and the area of the light-passing area is smaller than the area of the mounting hole. With this arrangement, the housing is in contact with the closed end of the lens barrel through the plate, and the area of the light-transmitting area on the plate is smaller than the area of the mounting hole. Compared with the direct contact of the housing with the closed end through foam, the sealing is increased. The force-receiving area of the end makes the force on the closed end uniform, and avoids local force on the closed end from affecting the operation of the lens assembly.

In the camera module as described above, the board and the lens barrel are connected by adhesive glue. With this arrangement, the board body can be installed on the lens barrel first to achieve pre-installation, and then the board body and the lens barrel are integrally installed in the housing, which improves the assembly speed of the electronic device. In addition, the plate body and the lens barrel are connected by adhesive glue, which can avoid the separation of the plate body and the lens barrel during use.

The camera module as described above, wherein the board has a first surface facing the closed end and a second surface facing the housing, a first groove is provided on the side wall between the first surface and the second surface, and the lens barrel The upper side wall adjacent to the closed end is provided with a second groove, the first groove and the second groove surround a glue containing groove, and the adhesive glue is accommodated in the glue containing groove. This arrangement prevents the adhesive glue from protruding from the side wall of the board and the side wall of the lens barrel, so as to prevent the adhesive glue from contacting other equipment or affecting the installation of other equipment.

The camera module as described above, wherein the adhesive glue is arranged between the first surface of the board facing the closed end and the closed end. With this arrangement, the adhesive glue is sandwiched between the plate body and the closed end, and the contact area between the adhesive glue and the plate body and the closed end is larger, which can improve the connection strength between the plate body and the closed end.

The camera module as described above, wherein the side wall between the first surface of the plate body facing the closed end and the second surface of the plate body facing the housing is provided with a detection part, and the detection part is used for connecting with a drawing device to Detect the connection force between the plate body and the lens barrel. With this setting, after the connection between the board and the lens barrel is completed, the connection force between the board and the lens barrel can be detected, so as to avoid insufficient connection force between the board and the lens barrel, resulting in the board body and the lens barrel when the electronic device is used. The lens barrel is separated.

In the camera module as described above, the detection part includes a detection slot. This arrangement can prevent the detection portion from protruding from the side wall of the board, causing the detection portion to contact other devices, or affecting the installation of other devices.

The camera module as described above, wherein the first surface of the plate body facing the closed end includes a first plane and a first inclined surface inclined to the closed end, the first inclined surface is located at an end of the first plane facing the light passing zone; the closed end has A second plane matched with the first plane and a second inclined plane attached to the first inclined plane. With this arrangement, the first inclined surface and the second inclined surface cooperate to prevent the board from sliding relative to the closed end in a direction parallel to the board, thereby improving the stability of the camera module. In addition, the bonding of the first inclined surface and the second inclined surface can also realize the positioning between the plate body and the lens barrel, thereby improving the position accuracy between the plate body and the lens barrel.

In the camera module as described above, the first inclined surface is arranged around the light-transmitting area. Correspondingly, the second inclined surface on the closed end is arranged around the light transmission port; the contact area between the first inclined surface and the second inclined surface can be increased to further improve the stability of the camera module and the gap between the plate body and the lens barrel. Position accuracy.

In the camera module as described above, the board body is a plastic plate or a metal plate. The material is easy to obtain and the processing difficulty is small.

The camera module as described above, wherein the camera module further includes a transparent block, the transparent block is arranged in the light-transmitting area, and the transparent block is connected to the board. The transparent block located in the light-passing area can realize the sealing of the light-transmitting port on the closed end, thereby preventing foreign objects from entering the light-transmitting port during use and installation, thereby affecting the operation of the lens assembly in the lens barrel.

The camera module as described above, wherein the transparent block has a spherical surface, the spherical surface is a concave surface that is recessed into the transparent block or a convex surface that protrudes out of the transparent block; the main optical axis of the transparent block is arranged collinearly with the center line of the lens barrel . The spherical surface arranged on the transparent block can process the light directed to the lens assembly, so as to improve the imaging effect of the lens assembly.

In the camera module as described above, the transparent block is a transparent plastic block, and the transparent block made of plastic is not easily broken; or, the transparent block is a transparent glass block, and the transparent block made of glass has a higher light transmittance, which improves The imaging effect of the lens assembly is improved.

In the camera module as described above, the transparent block and the board are integrally formed. This arrangement can simplify the processing difficulty of the camera module, reduce the number of parts of the camera module, and facilitate the assembly of the camera module.

In the camera module as described above, a decorative layer is provided on the second surface of the board facing the housing. With this setting, the decorative effect of the camera module can be improved.

The embodiment of the present invention also provides an electronic device, which includes a housing and the above-mentioned camera module. A plate is arranged between the housing and the lens barrel, the plate covers the closed end of the lens barrel, the housing is provided with a mounting hole, the plate is provided with a light-transmitting area, and the closed end is provided with a light-transmitting port, The center lines of the mounting hole, the light-passing area and the light-transmitting port are arranged collinearly, the area of the light-passing area is smaller than the area of the mounting hole; the housing is in contact with the closed end of the lens barrel through the plate, and the light-passing area on the plate is The area is smaller than the area of the mounting hole. Compared with the shell directly contacting the closed end through foam, the force area of the closed end is increased, the force on the closed end is even, and the local force on the closed end is avoided to affect the operation of the lens assembly.

In the electronic device as described above, there are multiple camera modules. Multiple camera modules can meet the needs of users for different shooting scenarios and improve user experience.

Description of the drawings

Figure 1 is a first structural diagram of an electronic device provided by an embodiment of the utility model;

Figure 2 is a second structural diagram of the electronic device provided by the embodiment of the utility model;

FIG. 3 is a schematic diagram of the structure of the light-passing area of the camera module provided by the embodiment of the utility model as the light-passing hole provided on the board;

4 is a schematic diagram of the structure of the entire board in the camera module provided by the embodiment of the utility model;

FIG. 5 is a schematic structural diagram of the camera module provided by the embodiment of the utility model in which the plate body is only attached to the lens barrel;

6 is a schematic diagram 1 of a structure in which an adhesive glue is provided between the first surface of the plate body and the closed end of the lens barrel in the camera module provided by the embodiment of the present invention;

FIG. 7 is a second structural diagram of the camera module provided by the embodiment of the utility model in which the adhesive glue is arranged between the first surface of the board and the closed end of the lens barrel;

8 is the third structural diagram of the camera module provided by the embodiment of the utility model in which the adhesive glue is arranged between the first surface of the board and the closed end of the lens barrel;

9 is the fourth structural schematic diagram of the camera module provided by the embodiment of the utility model in which the adhesive glue is arranged between the first surface of the board and the closed end of the lens barrel;

10 is the first structural schematic diagram of the camera module provided by the embodiment of the utility model in which the bonding glue is arranged at the junction between the side wall of the plate body and the side wall of the lens barrel;

11 is the second structural diagram of the camera module provided by the embodiment of the utility model in which the bonding glue is arranged at the junction between the side wall of the board and the side wall of the lens barrel;

12 is the third structural schematic diagram of the interface between the side wall of the plate body and the side wall of the lens barrel in the camera module provided by the embodiment of the utility model with adhesive glue;

FIG. 13 is a first structural diagram of a camera module provided by an embodiment of the utility model with a spherical surface protruding outward on the transparent block;

14 is a second structural diagram of the camera module provided by the embodiment of the utility model with a spherical surface protruding outward on the transparent block;

15 is the third structural schematic diagram of the camera module provided by the embodiment of the utility model with a spherical surface protruding outward on the transparent block;

16 is a first structural schematic diagram of a camera module provided by an embodiment of the utility model with a spherical surface recessed inward on the transparent block;

FIG. 17 is a second structural diagram of the camera module provided by the embodiment of the utility model with a spherical surface recessed inward on the transparent block;

18 is the third structural schematic diagram of the camera module provided by the embodiment of the utility model with an inwardly concave spherical surface on the transparent block;

FIG. 19 is a first structural diagram of multiple camera modules in an embodiment of the utility model;

FIG. 20 is a second structural diagram of a plurality of camera modules in an embodiment of the present invention.

Description of reference signs:

1: Camera module;

2: Shell;

10: Lens tube;

101: closed end;

102: light-transmitting port;

103: the second plane;

104: the second inclined plane;

20: lens assembly;

30: Board body;

301: the first plane;

302: The first inclined plane;

303: Light pass area;

304: the first groove;

305: the second groove;

306: Glue container;

307: Detection slot;

40: Adhesive glue;

50: Transparent block;

501: Spherical surface.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the description The embodiments are part of the embodiments of the present utility model, but not all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present utility model.

Fig. 3 is a schematic diagram of the structure of the light-passing area of the camera module provided by the embodiment of the utility model as a light-passing hole provided on the board; Fig. 4 is the entire board of the electronic device provided by the embodiment of the utility model Figure 5 is a schematic diagram of the structure of the electronic device provided by the embodiment of the utility model in which the board is only attached to the lens barrel.

Please refer to Figure 3-Figure 5. This embodiment provides a camera module, including: a lens barrel 10 and a plate body 30, the plate body 30 is located between the housing and the closed end 101 of the lens barrel 10, and the plate body 30 covers the closed end 101; on the housing A mounting hole is provided, a light-transmitting area 303 is provided on the board body 30, a light-transmitting port 102 is provided on the closed end 101, and the center lines of the mounting hole, the light-transmitting area 303 and the light-transmitting port 102 are arranged collinearly, and the light-transmitting area 303 The area is smaller than the area of the mounting hole.

In this embodiment, the housing is the housing of the electronic device, and the camera module is arranged in the housing to realize functions such as photographing and video recording through the camera module. Exemplarily, when the electronic device is a mobile phone, the corresponding casing is a mobile phone casing; specifically, the lens barrel 10 may be the lens barrel 10 of the rear camera module of the mobile phone, and the casing may be the battery casing of the mobile phone.

Fig. 19 is a first structural diagram of multiple camera modules in an embodiment of the present invention; Fig. 20 is a second structural diagram of multiple camera modules in an embodiment of the present invention. Further, as shown in FIG. 19, the electronic device may have multiple camera modules. Correspondingly, a plurality of lens barrels 10 are arranged at intervals in the housing, and a plurality of mounting holes are provided on the housing, and each lens barrel 10 corresponds to A mounting hole is provided, and a plate 30 is provided between each lens barrel 10 and the housing. As shown in FIG. 20, in an achievable manner, when the electronic device has multiple camera modules, the plate 30 between the lens barrel 10 and the housing of each camera module can be integrally formed.

Specifically, the lens barrel 10 is used to hold the lens assembly 20 of the camera module. The lens barrel 10 includes an open end and a closed end 101. The open end and the closed end 101 are the two ends of the lens barrel 10 along the centerline direction, and the open end has an opening. , The closed end 101 is closed; the lens assembly 20 is inserted into the lens barrel 10 through the opening, the open end is set toward the image receiving device of the electronic device, the closed end 101 is set toward the mounting hole on the housing, and the closed end 101 is provided with a light-transmitting device. Port 102, the center line of the mounting hole and the center line of the light-transmitting port 102 are set collinearly, and the center line of the mounting hole and the center line of the light-transmitting port 102 are both set collinear with the main optical axis of the lens assembly 20; when in use The external light enters the inside of the lens barrel 10 through the mounting hole and the light-transmitting port 102. After receiving the light, the lens assembly 20 forms an image on the image receiving device, thereby realizing photographing or video recording. Exemplarily, the lens assembly 20 may include a convex lens and a concave lens, or other devices capable of forming an image on an image receiving device. The image receiving device may be an image sensor or other device capable of converting light signals into electrical signals to realize photographing or Video. It is worth noting that the lens barrel 10 is cylindrical, the center line of the lens barrel 10, the main optical axis of the lens assembly 20 in the lens barrel 10, the center line of the mounting hole, the center line of the light-transmitting area 303, and the light-transmitting port 102 The center lines are all collinearly set.

In this embodiment, the plate 30 is arranged between the housing and the closed end 101 of the lens barrel 10. The plate 30 can be connected to the housing and/or the lens barrel 10, so that the housing passes through the plate 30 and the lens barrel 10 The closed end 101 is in contact with each other, so as to ensure that the force on the closed end 101 is uniform, so as to prevent the closed end 101 from being deformed due to local force. Further, in order to reduce the impact of housing vibration on the camera module, a buffer foam can be arranged between the housing and the board 30. The foam has better elasticity and can absorb vibration; specifically, the buffer foam is provided with a process Hole, the center line of the process hole and the center line of the mounting hole are arranged collinearly, and the cross-sectional area of the process hole is greater than or equal to the cross-sectional area of the mounting hole, so as to prevent the cushion foam from being exposed to the outside of the mounting hole and affecting the decorative effect of the electronic device.

In this embodiment, the area of the mounting hole is larger than the area of the light-passing area 303, so that the contact area between the plate body 30 and the closed end 101 is larger, so as to ensure that the closed end 101 receives a uniform force; in order to prevent the plate body 30 from affecting the light entering the transparent area. In the light port 102, the area of the light-passing area 303 may be greater than or equal to the area of the light-passing port 102. Exemplarily, the cross-sectional shape of the mounting hole, the light-transmitting area 303, and the light-transmitting port 102 may be the same. For example, the cross-sections of the mounting hole, the light-transmitting area 303, and the light-transmitting port 102 may all be circular, and the radius of the corresponding mounting hole Greater than the radius of the light-passing area 303, the radius of the light-passing area 303 is greater than or equal to the radius of the light-transmitting port 102; or the cross-sections of the mounting hole, the light-transmitting area 303, and the light-transmitting port 102 are all square, and the cross-sectional sides of the corresponding mounting holes The length is greater than the cross-sectional side length of the light-passing area 303, and the cross-sectional side length of the light-passing area 303 is greater than or equal to the cross-sectional side length of the light-transmitting port 102; of course, when the light-transmitting port 102 is circular, the mounting hole and the light-passing area 303 The cross section can be square. Correspondingly, the cross-sectional side length of the mounting hole is greater than the cross-sectional side length of the light-transmitting area 303, and the cross-sectional side length of the light-transmitting area 303 is greater than or equal to the diameter of the light-transmitting port 102; The shape of the area 303 and the light-transmitting port 102 is not limited.

In this embodiment, the plate body 30 can be made of multiple materials; for example, the plate body 30 can be a plastic plate mainly composed of plastic. Illustratively, the plate body 30 can be mainly composed of polycarbonate (PC) or polyamide resin. (PA) composition; of course, the plate body 30 may also be a metal plate mainly composed of metal. For example, the plate body 30 may be a copper plate mainly composed of copper, or the plate body 30 may be an aluminum plate mainly composed of aluminum. The plate body 30 made of plastic or metal has easy materials and low processing difficulty. Of course, the plate body 30 in this embodiment can also be made of glass and other materials. It is worth noting that, as shown in FIG. 3, the light-passing area 303 may be a light-passing hole provided on the board 30, and external light can be injected into the lens barrel 10 through the light-passing hole; as shown in FIG. 4, when When the plate 30 is made of a transparent material, the light-passing area 303 can be a partial area of the plate 30. The light passes through the plate 30 corresponding to the light-passing area 303 and then enters the lens barrel 10. At this time, the plate 30 is a whole Piece of board.

Preferably, when the electronic device has multiple lens barrels 10, the material of the plate 30 covered on the closed end 101 of each lens barrel 10 is the same, so that when the electronic device is viewed from the outside, the plate 30 inside each mounting hole can be the same. Improve the decorative effect of electronic equipment.

In this embodiment, a decorative layer may be provided on the surface of the plate body 30 facing the housing. This arrangement can further improve the decorative effect of the electronic device.

Specifically, when the board 30 is a plastic board, the decoration layer may be a film layer with a certain color such as paint or ink, and the decoration layer may be formed on the board 30 by spraying or evaporation. When the board 30 is a metal plate, the decorative layer may also be a film layer with a certain color such as paint or ink. The decorative layer may be formed on the board 30 by spraying or vapor deposition, or the decorative layer may also be on the board. Other metal layers electroplated on the body 30.

Preferably, when there are multiple lens barrels 10 on the electronic device, the color of the decorative layer on the board 30 corresponding to each lens barrel 10 is the same to ensure the decorative effect of the electronic device. Of course, the color of the decorative layer on the board 30 corresponding to each lens barrel 10 can also be different to distinguish different camera modules.

In the camera module provided in this embodiment, a plate 30 is provided between the housing and the lens barrel 10, the plate 30 covers the closed end 101 of the lens barrel 10, and the housing is provided with mounting holes, and the plate 30 is A light-transmitting area 303 is provided, a light-transmitting port 102 is provided on the closed end 101, the center lines of the mounting hole, the light-transmitting area 303, and the light-transmitting port 102 are arranged collinearly, and the area of the light-transmitting area 303 is smaller than the area of the mounting hole; The body is in contact with the closed end 101 of the lens barrel 10 through the plate 30, and the area of the light-transmitting area 303 on the plate 30 is smaller than the area of the mounting hole, which is larger than that of the housing directly contacting the closed end 101 through foam. The force-receiving area of the closed end 101 is made so that the force of the closed end 101 is uniform, and the local force of the closed end 101 is avoided to affect the operation of the lens assembly 20.

Fig. 6 is a first structural diagram of a camera module provided by an embodiment of the utility model with adhesive glue disposed between the first surface of the plate and the closed end of the lens barrel; Fig. 7 is a camera module provided by an embodiment of the utility model The second surface of the plate body in the group is provided with an adhesive glue between the closed end of the lens barrel; FIG. 8 shows the connection between the first surface of the plate body and the lens barrel in the camera module provided by the embodiment of the utility model. The third structural schematic diagram of the adhesive glue provided between the closed ends; FIG. 9 is a schematic structural diagram of the adhesive glue provided between the first surface of the board and the closed end of the lens barrel in the camera module provided by the embodiment of the present invention Four; Figure 10 is the first embodiment of the utility model of the camera module provided by the embodiment of the utility model provided by the embodiment of the utility model provided by the embodiment of the utility model In the camera module of the camera module, the interface between the side wall of the board and the side wall of the lens barrel is provided with adhesive glue. Figure 12 is the side wall of the board in the camera module provided by the embodiment of the utility model. Schematic diagram 3 of the structure where adhesive glue is set at the junction between the side walls of the lens barrel.

Continuing to refer to FIGS. 6 to 12, in this embodiment, the board 30 and the lens barrel 10 can be connected by an adhesive 40. With this arrangement, the board 30 can be installed on the lens barrel 10 first to achieve pre-installation, and then the board 30 and the lens barrel 10 are integrally installed in the housing, which improves the assembly speed of the electronic device. In addition, the board 30 and the lens barrel 10 are connected by adhesive glue 40, which can avoid the separation of the board 30 and the lens barrel 10 during the use of the camera module.

In an achievable manner, continuing to refer to FIG. 10, the plate 30 has a first surface facing the closed end 101 and a second surface facing the housing, and the plate 30 also has a first surface and a second surface located between the first surface and the second surface. The side wall of the lens barrel 10 has a side wall adjacent to the closed end 101, the adhesive 40 can be set at the junction between the side wall of the plate 30 and the side wall of the lens barrel 10 to stick the plate 30 Knot on the lens barrel 10.

Further, with continued reference to FIGS. 11 and 12, the plate body 30 has a first surface facing the closed end 101 and a second surface facing the housing, and a first recess is provided on the side wall between the first surface and the second surface. Groove 304, a second groove 305 is provided on the side wall adjacent to the closed end 101 on the lens barrel 10, the first groove 304 and the second groove 305 are enclosed as a glue-containing groove 306, and the adhesive glue 40 is accommodated In the glue tank 306. This arrangement prevents the adhesive 40 from protruding from the side wall of the board 30 and the side wall of the lens barrel 10, so as to prevent the adhesive 40 from contacting other devices in the electronic device or affecting the installation of other devices.

In the foregoing implementation manner, the board 30 and the lens barrel 10 may be connected by glue dispensing. Specifically, the glue can be dispensed by a glue dispenser, which is convenient to operate.

In this embodiment, as shown in FIG. 10, the glue 40 can be directly formed at the junction between the side wall of the plate 30 and the side wall of the lens barrel 10 by a glue dispenser; the glue 40 can surround the plate. 30 and the lens barrel 10 are arranged continuously, or the adhesive 40 is arranged to surround the board 30 and the lens barrel 10 at intervals.

In this embodiment, as shown in FIGS. 11 and 12, when a first groove 304 is provided on the side wall of the plate body 30, a second groove 305 is provided on the side wall of the lens barrel 10, and the first groove 304 and When the second groove 305 is enclosed as the glue-containing groove 306, the plate 30 may be covered on the closed end 101 first, so that the first groove 304 and the second groove 305 are enclosed as the glue-containing groove 306, and then pass The glue dispenser drips the adhesive 40 into the adhesive tank 306 from the side, and the connection between the plate 30 and the lens barrel 10 can be realized after the adhesive 40 is cured. Of course, it is also possible to first drip the adhesive 40 into the second groove 305 through a dispenser, and then cover the plate 30 on the closed end 101, and make the first groove 304 and the second groove 305 surround It is set as a glue containing groove 306, and at this time, the adhesive glue 40 flows into the first groove 304 to realize the connection between the plate body 30 and the lens barrel 10. Further, the first groove 304 may be an annular groove formed around the side wall of the plate body 30. Similarly, the second groove 305 is an annular groove provided around the lens barrel 10, the first groove 304 and the second groove 305 The enclosed glue-containing groove 306 is also an annular groove. This arrangement can increase the volume of the glue-containing groove 306, and then can accommodate more adhesive 40, so as to improve the connection strength between the plate body 30 and the lens barrel 10. . In addition, the larger volume of the glue container 306 can prevent the adhesive 40 from protruding from the glue container 306. Of course, in this embodiment, a plurality of first grooves 304 may also be provided on the side wall of the plate body 30, and the plurality of first grooves 304 are arranged at intervals around the plate body 30, correspondingly on the side wall of the lens barrel 10. A plurality of second grooves 305 are provided, and each first groove 304 and one second groove 305 surround a glue-containing groove 306, and a glue 40 is formed in each glue-containing groove 306 by a glue dispenser. The connection between the plate body 30 and the lens barrel 10 can be realized.

In the foregoing implementation manner, the adhesive 40 may be made of various materials, as long as it can prevent the plate body 30 from being separated from the lens barrel 10, for example, the adhesive 40 may be mainly composed of epoxy resin or acrylic resin. Preferably, the bonding glue 40 is a two-component glue composed of a photosensitive glue (UV glue) and a thermosetting glue, wherein the photosensitive glue is cured after ultraviolet radiation, and the thermosetting glue can be cured after heating.

In other implementation manners, continuing to refer to FIGS. 6 to 12, the adhesive 40 is disposed between the first surface of the plate body 30 facing the closed end 101 and the closed end 101. The bonding glue 40 is sandwiched between the plate body 30 and the closed end 101. The contact area between the bonding glue 40 and the plate body 30 and the closed end 101 is relatively large, which can improve the connection between the plate body 30 and the closed end 101 strength.

Specifically, the adhesive 40 may be any adhesive that can stick the first surface on the closed end 101, and this embodiment is not limited to this; for example, the adhesive 40 may be a double-sided adhesive, and the double-sided adhesive includes The substrate and the adhesive. The adhesive is set on both sides of the substrate composed of paper or plastic film. The adhesive can be a pressure-sensitive adhesive; when using it, one of the substrates with the adhesive can be used. The surface is attached to the closed end 101, and then the plate 30 is covered on the closed end 101, and the plate 30 is pressed to make the plate 30 adhere to the adhesive on the other surface of the substrate to realize the plate 30 and the lens barrel 10; Of course, one surface of the substrate with adhesive can be attached to the first surface of the board 30, and then the board 30 is covered on the closed end 101, and the board is pressed 30 so that the closed end 101 is attached to the adhesive on the other surface of the substrate to realize the connection between the board 30 and the lens barrel 10.

In the implementation manner in which the plate body 30 is connected to the closed end 101 by the adhesive 40, referring to FIGS. 6-12, further, the plate body 30 faces the first surface of the closed end 101 and the plate body 30 faces the first surface of the housing. A detection part is provided on the side wall between the two surfaces, and the detection part is used to connect with a drawing device to detect the connection force between the board 30 and the lens barrel 10. With this arrangement, after the connection between the board 30 and the lens barrel 10 is completed, the connection force between the board 30 and the lens barrel 10 can be detected, so as to avoid insufficient connection force between the board 30 and the lens barrel 10, resulting in the electronic The board 30 is separated from the lens barrel 10 when the device is in use.

Specifically, the structure of the detecting part may be various, as long as it can be connected to the drawing device, and then the connecting force between the board 30 and the lens barrel 10 is detected by the drawing device; for example, the detecting part may include On the protruding part on the side wall of the plate body 30, the drawing equipment may include a drawing head. The drawing head is provided with a recessed part. When in use, the projecting part is clamped in the recessed part, and then the plate body is drawn by the drawing head. 30, and the pulling force of the drawing plate 30 is detected while the plate 30 is being drawn. Specifically, the protruding portion may be in a regular shape such as a cylindrical shape or a prismatic shape. Of course, the protruding portion may also be in other irregular shapes. Further, there may be a plurality of protrusions, and the plurality of protrusions are arranged at intervals around the plate body 30, and the corresponding drawing equipment has a plurality of drawing heads. When detecting, each drawing head is associated with a protrusion. Cooperate to ensure that the plate body 30 receives a uniform force during testing.

Exemplarily, when the plate body 30 is pulled by the drawing device, the pulling force of the plate body 30 is detected. When the pulling force reaches a preset value, the plate body 30 and the lens barrel 10 are still not separated, then the plate body 30 and The connection between the lens barrel 10 is qualified; when the tension reaches the preset value, the plate 30 is separated from the lens barrel 10, and the connection between the plate 30 and the lens barrel 10 is unqualified. The preset value is the minimum value that ensures the separation between the plate body 30 and the lens barrel 10 during the process of assembling and using the camera module.

Continuing to refer to FIGS. 6-12, in this embodiment, preferably, the detection part includes a detection slot 307. This arrangement can prevent the detection portion from protruding from the side wall of the board 30, causing the detection portion to contact other devices in the electronic device, or affecting the installation of other devices in the electronic device. Correspondingly, a protrusion is provided on the drawing head, and the protrusion is clamped in the detecting groove 307 during detection, so as to realize the connection between the plate body 30 and the drawing device.

Further, the detection groove 307 may be an annular groove, and the corresponding drawing heads may be provided in multiples, and the drawing heads may be arranged at intervals around the plate body 30; of course, the detection grooves 307 may also be multiple, and the multiple detection grooves 307 may surround The board 30 is arranged at intervals. At this time, there are also multiple drawing heads, and each drawing head is connected to a detection slot 307 to ensure that the board 30 receives a uniform force during detection.

It is worth noting that, as shown in FIGS. 11 and 12, when the plate 30 is connected to the lens barrel 10 by the adhesive 40, and the first groove 304 is provided on the side wall of the plate 30, the detection groove 307 is provided On the side of the first groove 304 facing the housing; or the first groove 304 and the detection groove 307 are the same groove, the volume of the first groove 304 needs to be increased as much as possible to accommodate the adhesive At the same time, it is ensured that the first groove 304 can have enough space to cooperate with the drawing equipment. As shown in FIG. 8, when the board 30 is connected by the adhesive 40 between the first surface and the closed end 101, the detection groove 307 may extend to the lens barrel 10 and penetrate the first surface of the board 30; FIG. 6 7. The detection groove 307 shown in FIGS. 7 and 9 may not penetrate the first surface of the board 30.

Continuing to refer to FIGS. 3-12, in this embodiment, the first surface of the plate 30 facing the closed end 101 includes a first plane 301 and a first inclined surface 302 inclined to the closed end 101, and the first inclined surface 302 is located on the first plane 301 One end facing the light-passing area 303; the closed end 101 has a second plane 103 matching the first plane 301 and a second inclined plane 104 that is attached to the first inclined plane 302. With this arrangement, the first inclined surface 302 and the second inclined surface 104 cooperate to prevent the plate 30 from sliding relative to the closed end 101 in a direction parallel to the plate 30, thereby improving the stability of the camera module. In addition, the bonding of the first inclined surface 302 and the second inclined surface 104 can also realize the positioning between the plate body 30 and the lens barrel 10, thereby improving the position accuracy between the plate body 30 and the lens barrel 10.

Optionally, there may be multiple first inclined surfaces 302, and multiple first inclined surfaces 302 are arranged at intervals around the light-passing area 303. Correspondingly, there are also multiple second inclined surfaces 104 on the closed end 101, and multiple second inclined surfaces 104 is arranged around the light-transmitting opening 102 at intervals, and each first inclined surface 302 is attached to a second inclined surface 104.

Further, the first inclined surface 302 is arranged around the light-transmitting area 303, and correspondingly, the second inclined surface 104 on the closed end 101 is arranged around the light-transmitting opening 102; the contact area between the first inclined surface 302 and the second inclined surface 104 can be increased , In order to further improve the stability of the camera module and the position accuracy between the plate 30 and the lens barrel 10.

In an achievable manner, the plate 30 is arranged between the closed end 101 and the housing, and the plate 30 is only attached to the closed end 101. At this time, the plate 30 can be connected to the housing by buffer foam; Correspondingly, the first inclined surface 302 and the second inclined surface 104 are attached to each other to prevent the board 30 from sliding relative to the closed end 101 in a direction parallel to the board 30.

In other implementations, the plate 30 is connected to the lens barrel 10 through the adhesive 40. At this time, while the adhesive 40 prevents the plate 30 from moving in a direction away from the closed end 101, the first inclined surface 302 and the second inclined surface 104 and the adhesive 40 also jointly prevent the board 30 from sliding relative to the closed end 101 in a direction parallel to the board 30.

It is worth noting that, continuing to refer to FIGS. 6-9, when the adhesive 40 is disposed between the first surface of the board 30 and the closed end 101, the adhesive 40 is disposed on the first plane 301 and the second plane 103. And/or the adhesive 40 is arranged between the first inclined surface 302 and the second inclined surface 104. As shown in Fig. 7, in this embodiment, the adhesive 40 is preferably arranged between the first plane 301 and the second plane 103. At this time, the positional relationship between the first inclined plane 302 and the first plane 301 is set reasonably. It can be ensured that while the first plane 301 and the second plane 103 are connected by the adhesive 40, the first inclined plane 302 and the second inclined plane 104 are attached; that is, when the first inclined plane 302 and the second inclined plane 104 are completely attached , There is a gap between the first plane 301 and the second plane 103 for accommodating the adhesive 40.

13 is a first structural diagram of a camera module provided by an embodiment of the utility model with a spherical surface convex on the transparent block; FIG. 14 is a camera module provided by an embodiment of the utility model with a convex convex surface on the transparent block Fig. 15 is the third structural schematic diagram of the spherical surface protruding outward on the transparent block of the camera module provided by the embodiment of the utility model; Fig. 16 is the camera module provided by the embodiment of the utility model The first structural schematic diagram of the inwardly concave spherical surface on the transparent block; Figure 17 is the second structural schematic diagram of the inwardly concave spherical surface on the transparent block of the camera module provided by the embodiment of the utility model; Figure 18 is the implementation of the utility model Example 3 of the structural schematic diagram of the camera module provided with a spherical surface recessed inward on the transparent block.

Continuing to refer to FIGS. 13 to 18, in this embodiment, the camera module further includes a transparent block 50, the transparent block 50 is disposed in the light-transmitting area 303, and the transparent block 50 is connected to the board 30. The transparent block 50 located in the light-passing area 303 can seal the light-transmitting port 102 on the closed end 101, thereby preventing foreign objects from entering the light-transmitting port 102 during use and installation, thereby affecting the lens assembly in the lens barrel 10 20 work.

Specifically, the transparent block 50 may have various shapes, for example, the transparent block 50 may be cylindrical or prismatic, and further, the cross-section of the transparent block 50 may be the same as the shape of the light-transmitting port 102. The transparent block 50 has a light-emitting surface facing the light-transmitting port 102 and a light-incident surface facing the mounting hole. When in use, external light enters the transparent block 50 through the light-incident surface, and then exits through the light-emitting surface, and then passes through the light-transmitting port 102 enters the lens barrel 10.

In this embodiment, the light-emitting surface of the transparent block 50 may be flush with the first surface of the board 30, so that when the board 30 is covered on the closed end 101, the transparent block 50 covers the light-transmitting port 102; of course, In this embodiment, the light-emitting surface of the transparent block 50 may also protrude toward the lens barrel 10 relative to the first surface, so that when the plate 30 is covered on the closed end 101, the light-emitting surface of the transparent block 50 extends into the light-transmitting port 102 to further close the light-transmitting port 102.

In this embodiment, the transparent block 50 can be made of various materials. For example, the transparent block 50 can be mainly made of transparent plastic, and the transparent block 50 made of plastic is not prone to breakage and has a small quality. Of course, the transparent block 50 in this embodiment can also be a transparent glass block, and the transparent block 50 made of glass has a higher light transmittance, which improves the imaging effect of the lens assembly 20.

In this embodiment, the transparent block 50 and the board 30 can be connected in various ways. For example, a stop flange may be provided on the side wall of the transparent block 50 between the light-incident surface and the light-exit surface. The light-passing area 303 is provided in the light-passing hole on the board. The transparent block 50 is placed in the light-passing area 303, and the stop flange is pressed against the second surface of the board 30 to realize the transparent block 50. The connection with the board 30. Alternatively, a sliding groove is provided on the side wall of the light-transmitting area 303, and a slider is provided on the side wall of the transparent block 50 between the light-incident surface and the light-emitting surface. During installation, the transparent block 50 is placed in the light-transmitting area 303. In addition, the sliding block is slidably arranged in the sliding groove, and the connection between the plate body 30 and the transparent block 50 can also be realized. Of course, connecting ribs can also be provided between the hole wall of the light-passing area 303 and the transparent block 50, and the hole wall of the light-passing area 303 and the transparent block 50 are connected by the connecting ribs; further, there may be multiple connecting ribs. The connecting ribs are arranged at intervals around the transparent block 50.

In an achievable manner, when the material of the board 30 and the transparent block 50 are the same, the transparent block 50 can be integrally formed with the board 30. This arrangement can simplify the processing difficulty of the camera module, reduce the number of parts of the camera module, and facilitate the assembly of the electronic equipment.

In other implementations, the transparent block 50 may be connected to the board 30 by glue dispensing. The transparent block 50 can be processed separately from the board 30.

Specifically, the glue produced during glue dispensing can be located at the junction of the transparent block 50 and the plate 30 facing the lens barrel 10, so as to prevent the user from finding the glue from the outside of the camera module, resulting in poor decorative effects of the camera module.

Among them, the material of the colloid produced during the dispensing can be various, for example, the colloid can be mainly composed of epoxy resin or acrylic resin. Preferably, the colloid is a two-component glue composed of a photosensitive glue (UV glue) and a thermosetting glue, wherein the photosensitive glue is cured after ultraviolet radiation, and the thermosetting glue can be cured after heating.

13-18, in this embodiment, the transparent block 50 has a spherical surface 501, the spherical surface 501 is a concave surface recessed into the transparent block 50 or a convex surface protruding out of the transparent block 50; the main optical axis of the transparent block 50 It is arranged collinearly with the center line of the lens barrel 10. The spherical surface 501 provided on the transparent block 50 can process the light rays directed to the lens assembly 20 to improve the imaging effect of the lens assembly 20.

Exemplarily, as shown in Figures 13-15, when the spherical surface 501 is a convex surface that protrudes outward from the transparent block 50, the convex lens formed by the transparent block 50 can converge the light from the outside at this time, and then enter the In the light-transmitting port 102, the shooting range of the camera module can be increased; and the convex lens has a magnifying effect. It is worth noting that the convex surface can be provided on the light-emitting surface of the transparent block 50 facing the lens barrel 10; or the convex surface can be provided on the light-incident surface of the transparent block 50 facing the housing; of course, it can also be on the light-incident surface and the light-emitting surface of the transparent block 50. Convex surfaces are provided on the surfaces.

Exemplarily, as shown in FIGS. 16-18, when the spherical surface 501 is a concave surface that is recessed into the transparent block 50, the concave lens formed by the transparent block 50 can diverge the light from the outside, and the light enters the transparent block 50 after divergence. Inside the light port 102; and the concave lens has a shrinking effect. It is worth noting that the concave surface may be arranged on the light-emitting surface of the transparent block 50 facing the lens barrel 10; or the concave surface may be arranged on the light-incident surface of the transparent block 50 facing the housing; of course, it may also be on the light-incident surface and the light-emitting surface of the transparent block 50. Concave surfaces are provided on the surfaces.

Fig. 1 is a first structural diagram of an electronic device provided by an embodiment of the present invention; Fig. 2 is a second structural diagram of an electronic device provided by an embodiment of the present invention.

Continuing to refer to FIGS. 1 to 20, in other embodiments, an electronic device is also provided, including a housing 2 and a camera module 1 as described above. The structure of the camera module 1 is substantially the same as the structure of the camera module 1 in the above-mentioned embodiment, which will not be repeated here.

As shown in Figure 1, in an achievable manner, there can be one camera module 1; continue to refer to Figure 2, in other implementation manners, there can be multiple camera modules 1; multiple camera modules 1 can satisfy The needs of users for different shooting scenes improve user experience. The number of camera modules 1 can be 2, 3, 4, etc. Illustratively, multiple camera modules 1 can include wide-angle camera modules, telephoto camera modules, etc., to meet the needs of users for different shooting scenarios .

As shown in FIG. 19, when the electronic device has multiple camera modules 1, a plurality of lens barrels 10 are arranged at intervals in the housing 2, and a plurality of mounting holes are provided on the housing 2, and each lens barrel 10 can correspond to A mounting hole is provided, and a plate 30 is provided between each lens barrel 10 and the housing 2. As shown in FIG. 20, or when the electronic device has multiple camera modules 1, the plate 30 between the lens barrel 10 and the housing 2 of each camera module 1 may be integrally formed.

Further, when the electronic device has multiple camera modules 1, the material of the plate 30 covered on the closed end 101 of each lens barrel 10 is the same, so that when the electronic device is viewed from the outside, the plate 30 inside each mounting hole is the same. The decorative effect of electronic equipment can be improved.

In the electronic device provided in this embodiment, a plate 30 is provided between the housing 2 and the lens barrel 10, the plate 30 covers the closed end 101 of the lens barrel 10, and the housing 2 is provided with mounting holes, and the plate 30 A light-transmitting area 303 is provided on the upper side, a light-transmitting port 102 is provided on the closed end 101, and the center lines of the mounting hole, the light-transmitting area 303, and the light-transmitting port 102 are arranged collinearly, and the area of the light-transmitting area 303 is smaller than the area of the mounting hole; The housing 2 is in contact with the closed end 101 of the lens barrel 10 through the plate 30, and the area of the light-transmitting area 303 on the plate 30 is smaller than the area of the mounting hole, which is compared with the housing 2 directly contacting the closed end 101 through foam , The force-receiving area of the closed end 101 is increased, the force of the closed end 101 is uniform, and the closed end 101 is prevented from being partially subjected to force to affect the operation of the lens assembly 20.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" "," "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying what is referred to The device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

In the present invention, unless otherwise clearly specified, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. , Or integrally formed, which can be mechanically connected, or electrically connected, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two components or the interaction relationship between two components, Unless otherwise clearly defined. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present utility model can be understood according to specific circumstances.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It can still modify the technical solutions described in the foregoing embodiments, or equivalently replace some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the embodiments of the present invention The scope of the technical solution.

Claims

A camera module, characterized by comprising: a lens barrel and a plate body, the plate body is used to be arranged between the housing and the closed end of the lens barrel, and the plate body covers the closed end The housing is provided with a mounting hole, the board is provided with a light-transmitting area, the closed end is provided with a light-transmitting port, the mounting hole, the light-transmitting area and the light-transmitting port The center lines are arranged collinearly, and the area of the light-passing area is smaller than the area of the mounting hole.
The camera module of claim 1, wherein the board and the lens barrel are connected by adhesive glue.
The camera module of claim 2, wherein the board has a first surface facing the closed end and a second surface facing the housing, the first surface and the second surface A first groove is provided on the side wall between the two, a second groove is provided on the side wall adjacent to the closed end of the lens barrel, and the first groove and the second groove surround It is arranged as a glue containing groove, and the adhesive glue is accommodated in the glue containing groove.
The camera module according to claim 2, wherein the adhesive glue is disposed between the first surface of the plate body facing the closed end and the closed end.
The camera module according to claim 2, wherein the side wall between the first surface of the plate body facing the closed end and the second surface of the plate body facing the housing is provided with a detector. Part, the detection part is used to connect with a drawing device to detect the connection force between the plate and the lens barrel.
The camera module according to claim 5, wherein the detection part comprises a detection groove.
The camera module according to any one of claims 1 to 6, wherein the first surface of the plate facing the closed end comprises a first plane and a first inclined surface inclined to the closed end, and The first inclined surface is located at an end of the first plane facing the light-transmitting area; the closed end has a second plane matched with the first plane and a second inclined plane attached to the first inclined surface.
8. The camera module of claim 7, wherein the first inclined surface is arranged around the light-transmitting area.
The camera module according to any one of claims 1-6, wherein the plate body is a plastic plate or a metal plate.
The camera module according to any one of claims 1-6, wherein the camera module further comprises a transparent block, the transparent block is arranged in the light-passing area, the transparent block and the Board connection.
The camera module according to claim 10, wherein the transparent block has a spherical surface, and the spherical surface is a concave surface that is recessed into the transparent block or a convex surface that protrudes out of the transparent block; The main optical axis of the transparent block is arranged collinearly with the center line of the lens barrel.
The camera module according to claim 10, wherein the transparent block is a transparent plastic block, or the transparent block is a transparent glass block.
The camera module of claim 10, wherein the transparent block and the board are integrally formed.
The camera module according to any one of claims 1 to 6, wherein a decorative layer is provided on the second surface of the board facing the housing.
An electronic device, characterized by comprising a housing and the camera module according to any one of claims 1-14.
15. The electronic device of claim 15, wherein there are multiple camera modules.