Camera module and electronic device

Abstract

A camera module and an electronic device are used for improving the stability of the camera module on the basis of convenient installation, and the camera module comprises a photosensitive component which comprises a circuit board and a photosensitive chip, the circuit board is provided with a first end and a second end which are oppositely arranged, and the photosensitive chip is arranged on the circuit board and is located at the first end; the light filtering assembly is arranged at the first end and comprises a support and a light filter, the support is arranged on the circuit board and provided with a light through hole corresponding to the photosensitive chip, and the light filter is arranged on the support and covers the light through hole; the lens assembly comprises a lens base and a lens, the lens base is arranged on the support, and the lens is installed on the lens base and arranged on the side, away from the photosensitive chip, of the optical filter; the fixing seat is provided with a mounting hole and a receding hole, the mounting hole penetrates through the fixing seat, the first end of the circuit board, the support and the lens base are both contained in the mounting hole, the receding hole is formed in the side, close to the second end, of the fixing seat and communicated with the mounting hole, and the circuit board penetrates through the receding hole; and the first bonding piece is arranged between the fixed seat and the mirror seat and is used for fixing the fixed seat and the mirror seat.

Description

Technical Field

[0001] The utility model relates to the technical field of imaging devices, and in particular to a camera module and an electronic device. Background Art

[0002] In the camera module, the lens assembly is usually glued to the bracket for carrying the filter. Since the weight of the lens assembly is much greater than the weight of the bracket, during use, the lens assembly may shift relative to the bracket in the direction perpendicular to the optical axis, resulting in poor stability of the camera module. Utility Model Content

[0003] In view of the above, it is necessary to provide a camera module and an electronic device to improve the stability of the camera module while facilitating installation.

[0004] The present invention provides a camera module, comprising:

[0005] A photosensitive component, comprising a circuit board and a photosensitive chip, wherein the circuit board has a first end and a second end arranged opposite to each other, and the photosensitive chip is arranged on the circuit board and located at the first end;

[0006] A filter assembly is provided at the first end and comprises a bracket and a filter, wherein the bracket is provided on the circuit board and is provided with a light hole corresponding to the photosensitive chip, and the filter is provided on the bracket and covers the light hole;

[0007] A lens assembly, comprising a lens seat and a lens, wherein the lens seat is arranged on the bracket, and the lens is mounted on the lens seat and arranged on a side of the filter away from the photosensitive chip;

[0008] A fixing seat, provided with a mounting hole and an avoidance hole, wherein the mounting hole penetrates the fixing seat, the first end of the circuit board, the bracket and the mirror seat are all received in the mounting hole, the avoidance hole is provided on a side of the fixing seat close to the second end and communicates with the mounting hole, and the circuit board passes through the avoidance hole;

[0009] The first adhesive member is disposed between the fixing seat and the mirror seat and is used for fixing the fixing seat and the mirror seat.

[0010] In the above-mentioned camera module, the fixing seat simultaneously forms a stopper for the circuit board, the bracket and the lens seat in the vertical direction of the optical axis direction of the lens, and is connected to the lens seat through the first adhesive component, which can prevent the lens seat from sliding relative to the bracket in the vertical direction of the optical axis direction of the lens, thereby improving the stability of the camera module. In addition, the fixing seat is sleeved on the first end of the circuit board, the bracket and the lens seat through the mounting hole and the avoidance hole, and the first adhesive component is arranged between the fixing seat and the lens seat, which has low assembly difficulty and makes the camera module easy to install.

[0011] In some embodiments, the fixing base comprises:

[0012] a stopper, disposed at the first end and arranged around the circuit board, the stopper having an opening formed on a side close to the second end for the circuit board to pass through, the stopper being used to stop the circuit board and the bracket in a direction perpendicular to the optical axis direction of the lens;

[0013] A stopper, connected to one side of the limiting member along the optical axis direction of the lens and arranged along the circumference of the limiting member, the stopper being used to stop the bracket and the lens holder in a direction perpendicular to the optical axis of the lens;

[0014] A connecting member is connected to a side of the stopper away from the limiting member, and the connecting member is located on a side of the stopper close to the second end and is mounted on the opening; wherein,

[0015] The first adhesive component is connected to the connecting component and the mirror base, and the connecting component, the stopper and the limiting component enclose the mounting hole and the avoiding hole.

[0016] Therefore, the limiting member, the stopper and the connecting member are arranged in sequence along the optical axis direction of the lens, so that the fixing seat has a stacked structure, which is beneficial to reducing the manufacturing cost of the fixing seat.

[0017] In some embodiments, the stopper is disposed at one end of the limiting member close to the circuit board, and both ends of the connecting member are respectively disposed at one end of the stopper close to the opening, so that the fixing seat has a stepped structure.

[0018] Therefore, the stepped fixing seat can reduce the space occupied by the camera module, which is conducive to the miniaturization of the camera module.

[0019] In some embodiments, the connecting member is spaced apart from the mirror seat to form a first gap, a first groove connected to the first gap is opened on one side of the connecting member facing the mirror seat, a portion of the first adhesive member is located in the first groove, and another portion of the first adhesive member is located in the first gap.

[0020] Therefore, the first gap and the first groove can enable the first adhesive component to fix the connecting component and the mirror base in a filling manner, which is helpful to reduce the difficulty of connecting the connecting component and the mirror base.

[0021] In some embodiments, the first groove includes a first groove wall and a second groove wall, the extension direction of the first groove wall is parallel to the optical axis direction of the lens, the second groove wall is connected to the first groove wall, and the distance between the second groove wall and the central axis of the lens mount gradually decreases from the connecting member to the stop member.

[0022] Therefore, the groove wall of the first groove toward the lens holder has a curved structure, which can reduce the usage of the first adhesive component while satisfying the need for the first adhesive component to fix the connecting component and the lens holder, thereby reducing the production cost of the camera module.

[0023] In some embodiments, the camera module further includes:

[0024] The second adhesive member is disposed between the bracket and the limiting member facing the opening, and is used to fix the bracket and the limiting member.

[0025] Therefore, the second adhesive component fixes the bracket and the limiting component, which can improve the stability of the mirror holder relative to the bracket.

[0026] In some embodiments, the limiting member facing the opening is spaced apart from the bracket to form a second gap, the limiting member is provided with a second groove, the second groove faces the opening and is arranged toward the bracket, a portion of the second adhesive is located in the second gap, and another portion of the second adhesive is located in the second groove.

[0027] Therefore, the second gap and the second groove can enable the second adhesive member to fix the limiting member and the bracket in a filling manner, which is helpful to reduce the difficulty of connecting the limiting member and the bracket.

[0028] In some embodiments, the camera module further includes:

[0029] A third adhesive component is disposed between the circuit board and the limiting component located at one side of the opening, and is used to fix the circuit board and the limiting component.

[0030] Therefore, the third adhesive member fixes the bracket and the circuit board, which can improve the stability of the mirror holder relative to the circuit board.

[0031] In some embodiments, the limiting member located on one side of the opening is spaced apart from the circuit board to form a third gap, the limiting member is provided with a third groove, the third groove is located on one side of the opening and is arranged toward the circuit board, a portion of the third adhesive is located in the third gap, and another portion of the third adhesive is located in the third groove.

[0032] Therefore, the third gap and the third groove can enable the third adhesive component to fix the limiting component and the circuit board in a filling manner, which is helpful to reduce the difficulty of connecting the limiting component and the circuit board.

[0033] The present invention also provides an electronic device, including:

[0034] The camera module described in any of the above embodiments.

[0035] In the above electronic device, the fixing seat simultaneously forms a stopper for the circuit board, the bracket and the lens seat in the vertical direction of the optical axis direction of the lens, and is connected to the lens seat through the first adhesive component, which can prevent the lens seat from sliding relative to the bracket in the vertical direction of the optical axis direction of the lens, thereby improving the stability of the camera module in the electronic device. In addition, the fixing seat is sleeved on the first end of the circuit board, the bracket and the lens seat through the mounting hole and the avoidance hole, and the first adhesive component is arranged between the fixing seat and the lens seat, which has low assembly difficulty, making the camera module in the electronic device easy to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a structural schematic diagram of a camera module according to an embodiment of the utility model.

[0037] Figure 2 for Figure 1 The exploded schematic diagram of the camera module shown.

[0038] Figure 3 for Figure 1 The cross-sectional schematic diagram of the camera module shown is along the AA direction.

[0039] Figure 4 for Figure 1 The cross-sectional schematic diagram of the camera module shown is along the BB direction.

[0040] Figure 5 for Figure 2 A schematic structural diagram of another angle of the fixing seat in the camera module shown.

[0041] Figure 6 It is a structural schematic diagram of an electronic device according to an embodiment of the utility model.

[0042] Main component symbols

[0043] Camera module 100

[0044] First gap 100a

[0045] Second gap 100b

[0046] The third gap 100c

[0047] Photosensitive component 110

[0048] Circuit board 111

[0049] First end 111a

[0050] The second end 111b

[0051] Photosensitive chip 112

[0052] Filter assembly 120

[0053] Bracket 121

[0054] Light hole 121a

[0055] Filter 122

[0056] Lens assembly 130

[0057] Mirror mount 131

[0058] Shot 132

[0059] Fixed seat 140

[0060] Mounting hole 140a

[0061] Avoidance hole 140b

[0062] Limiting piece 141

[0063] Opening 141a

[0064] Second groove 141b

[0065] The third groove 141c

[0066] Stopper 142

[0067] Connector 143

[0068] First groove 143a

[0069] First groove wall 143b

[0070] Second groove wall 143c

[0071] First adhesive member 150

[0072] Second adhesive member 160

[0073] The third adhesive member 170

[0074] Electronic device 1000 DETAILED DESCRIPTION

[0075] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0076] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0077] The following is a detailed description of various embodiments of the present invention in conjunction with the accompanying drawings.

[0078] See also Figure 1 and Figure 2 The embodiment of the utility model provides a camera module 100, including a photosensitive component 110, a filter component 120, a lens component 130, a fixing seat 140 and a first adhesive component 150. The photosensitive component 110 includes a circuit board 111 and a photosensitive chip 112. The two opposite ends of the circuit board 111 are respectively a first end 111a and a second end 111b. The photosensitive chip 112 is disposed on the circuit board 111 and is located at the first end 111a. The filter component 120 is disposed at the first end 111a and includes a bracket 121 and a filter 122. The bracket 121 is disposed on the circuit board 111 and is provided with a light hole 121a corresponding to the photosensitive chip 112. The filter 122 is disposed on the bracket 121 and covers the light hole 121a. The lens assembly 130 includes a lens seat 131 and a lens 132. The lens seat 131 is arranged on the bracket 121. The lens 132 is installed on the lens seat 131 and is arranged on the side of the filter 122 away from the photosensitive chip 112. The fixing seat 140 is provided with a mounting hole 140a and a avoidance hole 140b. The mounting hole 140a passes through the fixing seat 140. The first end 111a of the circuit board 111, the bracket 121 and the lens seat 131 are all received in the mounting hole 140a. The avoidance hole 140b is arranged on a side of the fixing seat 140 close to the second end 111b and is connected to the mounting hole 140a. The circuit board 111 passes through the avoidance hole 140b. The first adhesive component 150 is arranged between the fixing seat 140 and the lens seat 131. The first adhesive component 150 is used to fix the fixing seat 140 and the lens seat 131.

[0079] In this embodiment, the circuit board 111 is one of a rigid circuit board, a flexible circuit board, and a rigid-flexible circuit board, and the first adhesive 150 is a cured glue.

[0080] In the above-mentioned camera module 100, the fixing seat 140 simultaneously forms a stopper for the circuit board 111, the bracket 121 and the lens holder 131 in the vertical direction of the optical axis direction of the lens 132, and is connected to the lens holder 131 through the first adhesive member 150, which can prevent the lens holder 131 from sliding relative to the bracket 121 in the vertical direction of the optical axis direction of the lens 132, thereby improving the stability of the camera module 100. In addition, the fixing seat 140 is sleeved on the first end 111a of the circuit board 111, the bracket 121 and the lens holder 131 through the mounting hole 140a and the avoidance hole 140b, and the first adhesive member 150 is arranged between the fixing seat 140 and the lens holder 131, so the assembly difficulty is low, making the camera module 100 easy to install.

[0081] See also Figures 2 to 4 In some embodiments, the fixing seat 140 includes a limiter 141, a stopper 142, and a connector 143. The limiter 141 is disposed at the first end 111a and is disposed around the circuit board 111. The limiter 141 is formed with an opening 141a for the circuit board 111 to pass through on a side close to the second end 111b. The limiter 141 is used to stop the circuit board 111 and the bracket 121 in a direction perpendicular to the optical axis direction of the lens 132. The stopper 142 is connected to a side of the limiter 141 along the optical axis direction of the lens 132 and is disposed along the circumference of the limiter 141. The stopper 142 is used to stop the bracket 121 and the lens seat 131 in a direction perpendicular to the optical axis direction of the lens 132. The connector 143 is connected to a side of the stopper 142 away from the limiter 141, and the connector 143 is located on a side of the stopper 142 close to the second end 111b and is mounted on the opening 141a. The first adhesive member 150 is connected to the connecting member 143 and the lens holder 131 , and the connecting member 143 , the stopper 142 and the limiting member 141 are combined to form a mounting hole 140 a and a avoiding hole 140 b .

[0082] In this embodiment, the limiting member 141 is substantially an open square frame structure, and the stoppers 142 are located on both sides of the opening 141 a.

[0083] Therefore, the limiting member 141 , the stopping member 142 and the connecting member 143 are sequentially arranged along the optical axis direction of the lens 132 , so that the fixing base 140 has a stacked structure, which is beneficial to reducing the manufacturing cost of the fixing base 140 .

[0084] See also Figure 2 In some embodiments, the stopper 142 is disposed at one end of the limiting member 141 close to the circuit board 111, and both ends of the connecting member 143 are respectively disposed at one end of the stopper 142 close to the opening 141a, so that the fixing seat 140 has a stepped structure.

[0085] Therefore, the stepped fixing seat 140 can reduce the space occupied by the camera module 100 , which is conducive to the miniaturization of the camera module 100 .

[0086] See also Figure 2 and Figure 3 In some embodiments, the connecting member 143 is spaced apart from the mirror base 131 to form a first gap 100a, a first groove 143a connected to the first gap 100a is formed on one side of the connecting member 143 facing the mirror base 131, a portion of the first adhesive member 150 is located in the first groove 143a, and another portion of the first adhesive member 150 is located in the first gap 100a.

[0087] Therefore, the first gap 100 a and the first groove 143 a can enable the first adhesive member 150 to fix the connecting member 143 and the mirror base 131 in a filling manner, which is helpful to reduce the difficulty of connecting the connecting member 143 and the mirror base 131 .

[0088] See also Figure 2 and Figure 3 In some embodiments, the first groove 143a includes a first groove wall 143b and a second groove wall 143c, the extension direction of the first groove wall 143b is parallel to the optical axis direction of the lens 132, the second groove wall 143c is connected to the first groove wall 143b, and the distance between the second groove wall 143c and the central axis of the lens holder 131 gradually decreases from the connecting member 143 to the stopper 142. In this embodiment, the second groove wall 143c is an arc structure.

[0089] Therefore, the groove wall of the first groove 143a toward the lens holder 131 has a curved structure, which can reduce the usage of the first adhesive 150 while satisfying the need for the first adhesive 150 to fix the connecting member 143 and the lens holder 131, thereby reducing the production cost of the camera module 100.

[0090] See also Figure 2 and Figure 3 In some embodiments, the camera module 100 further includes a second adhesive member 160. The second adhesive member 160 is disposed between the bracket 121 and the stopper 141 facing the opening 141a, and the second adhesive member 160 is used to fix the bracket 121 and the stopper 141. In this embodiment, the second adhesive member 160 is a cured glue.

[0091] Therefore, the second adhesive member 160 fixes the bracket 121 and the stopper 141 , and can improve the stability of the lens holder 131 relative to the bracket 121 .

[0092] See also Figure 3 and Figure 5In some embodiments, the limiting member 141 facing the opening 141a is spaced apart from the bracket 121 to form a second gap 100b, the limiting member 141 is provided with a second groove 141b, the second groove 141b faces the opening 141a and is arranged toward the bracket 121, a portion of the second adhesive member 160 is located in the second gap 100b, and another portion of the second adhesive member 160 is located in the second groove 141b.

[0093] Therefore, the second gap 100 b and the second groove 141 b can enable the second adhesive member 160 to fix the limiting member 141 and the bracket 121 in a filling manner, which is beneficial to reduce the difficulty of connecting the limiting member 141 and the bracket 121 .

[0094] See also Figure 2 and Figure 4 In some embodiments, the camera module 100 further includes a third adhesive member 170 . The third adhesive member 170 is disposed between the circuit board 111 and the stopper 141 located at one side of the opening 141 a , and is used to fix the circuit board 111 and the stopper 141 .

[0095] Therefore, the third adhesive member 170 fixes the bracket 121 and the circuit board 111 , and can improve the stability of the lens holder 131 relative to the circuit board 111 .

[0096] See also Figure 4 and Figure 5 In some embodiments, the limiting member 141 located on one side of the opening 141a is spaced apart from the circuit board 111 to form a third gap 100c, the limiting member 141 is provided with a third groove 141c, the third groove 141c is located on one side of the opening 141a and is arranged toward the circuit board 111, a portion of the third adhesive 170 is located in the third gap 100c, and another portion of the third adhesive 170 is located in the third groove 141c.

[0097] In this embodiment, the third adhesive 170 is solidified glue, and there are two third adhesives 170 and two third grooves 141c. The two third grooves 141c are arranged opposite to each other and are located on both sides of the second groove 141b. A third adhesive 170 is arranged in each third groove 141c.

[0098] Therefore, the third gap 100 c and the third groove 141 c can enable the third adhesive 170 to fix the limiting member 141 and the circuit board 111 in a filling manner, which is beneficial to reduce the difficulty of connecting the limiting member 1471 and the circuit board 111.

[0099] See also Figure 6 The embodiment of the utility model further provides an electronic device 1000, comprising the camera module 100 of the above embodiment. The electronic device 1000 may be a mobile phone, a tablet, etc.

[0100] In the electronic device 1000, the fixing seat 140 simultaneously forms a stopper for the circuit board 111, the bracket 121 and the lens holder 131 in the vertical direction of the optical axis direction of the lens 132, and is connected to the lens holder 131 through the first adhesive member 150, so that the lens holder 131 can be prevented from sliding relative to the bracket 121 in the vertical direction of the optical axis direction of the lens 132, thereby improving the stability of the camera module 100 in the electronic device 1000. In addition, the fixing seat 140 is sleeved on the first end 111a of the circuit board 111, the bracket 121 and the lens holder 131 through the mounting hole 140a and the avoidance hole 140b, and the first adhesive member 150 is disposed between the fixing seat 140 and the lens holder 131, so that the assembly difficulty is low, and the camera module 100 in the electronic device 1000 is easy to install.

[0101] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0102] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model.

Claims

1. A camera module, characterized in that: include: A photosensitive component, comprising a circuit board and a photosensitive chip, wherein the circuit board has a first end and a second end arranged opposite to each other, and the photosensitive chip is arranged on the circuit board and located at the first end; A filter assembly is provided at the first end and comprises a bracket and a filter, wherein the bracket is provided on the circuit board and is provided with a light hole corresponding to the photosensitive chip, and the filter is provided on the bracket and covers the light hole; A lens assembly, comprising a lens seat and a lens, wherein the lens seat is arranged on the bracket, and the lens is mounted on the lens seat and arranged on a side of the filter away from the photosensitive chip; A fixing seat, provided with a mounting hole and an avoidance hole, wherein the mounting hole penetrates the fixing seat, the first end of the circuit board, the bracket and the mirror seat are all received in the mounting hole, the avoidance hole is provided on a side of the fixing seat close to the second end and communicates with the mounting hole, and the circuit board passes through the avoidance hole; The first adhesive member is disposed between the fixing seat and the mirror seat and is used for fixing the fixing seat and the mirror seat.

2. The camera module according to claim 1, characterized in that: The fixing seat comprises: a stopper, disposed at the first end and arranged around the circuit board, the stopper having an opening formed on a side close to the second end for the circuit board to pass through, the stopper being used to stop the circuit board and the bracket in a direction perpendicular to the optical axis direction of the lens; A stopper, connected to one side of the limiting member along the optical axis direction of the lens and arranged along the circumference of the limiting member, the stopper being used to stop the bracket and the lens holder in a direction perpendicular to the optical axis direction of the lens; A connecting member is connected to a side of the stopper away from the limiting member, and the connecting member is located on a side of the stopper close to the second end and is mounted on the opening; wherein, The first adhesive component is connected to the connecting component and the mirror base, and the connecting component, the stopper and the limiting component enclose the mounting hole and the avoiding hole.

3. The camera module according to claim 2, characterized in that: The stopper is arranged at one end of the limiting member close to the circuit board, and the two ends of the connecting member are respectively arranged at one end of the stopper close to the opening, so that the fixing seat has a stepped structure.

4. The camera module according to claim 2, characterized in that: The connecting member is spaced apart from the mirror seat to form a first gap, a first groove connected to the first gap is formed on one side of the connecting member facing the mirror seat, a part of the first adhesive member is located in the first groove, and another part of the first adhesive member is located in the first gap.

5. The camera module according to claim 4, characterized in that: The first groove includes a first groove wall and a second groove wall, the extension direction of the first groove wall is parallel to the optical axis direction of the lens, the second groove wall is connected to the first groove wall, and the distance between the second groove wall and the central axis of the lens holder gradually decreases from the connecting member to the stopper.

6. The camera module according to claim 2, characterized in that: The camera module also includes: The second adhesive member is disposed between the bracket and the limiting member facing the opening, and is used to fix the bracket and the limiting member.

7. The camera module according to claim 6, characterized in that: The limiting member facing the opening is spaced apart from the bracket to form a second gap, the limiting member is provided with a second groove, the second groove faces the opening and is arranged toward the bracket, a part of the second adhesive is located in the second gap, and another part of the second adhesive is located in the second groove.

8. The camera module according to claim 2, characterized in that: The camera module also includes: A third adhesive component is disposed between the circuit board and the limiting component located at one side of the opening, and is used to fix the circuit board and the limiting component.

9. The camera module according to claim 8, characterized in that: The limiting member located on one side of the opening is spaced apart from the circuit board to form a third gap, the limiting member is provided with a third groove, the third groove is located on one side of the opening and is arranged toward the circuit board, a portion of the third adhesive is located in the third gap, and another portion of the third adhesive is located in the third groove.

10. An electronic device, characterized in that: include: A camera module as described in any one of claims 1 to 9.

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