CN215734516U - Camera module and electronic product - Google Patents
Camera module and electronic product Download PDFInfo
- Publication number
- CN215734516U CN215734516U CN202122279323.7U CN202122279323U CN215734516U CN 215734516 U CN215734516 U CN 215734516U CN 202122279323 U CN202122279323 U CN 202122279323U CN 215734516 U CN215734516 U CN 215734516U
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- lens
- mounting hole
- camera module
- adhesive
- lens assembly
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- 238000007789 sealing Methods 0.000 claims abstract description 51
- 239000000853 adhesive Substances 0.000 claims abstract description 49
- 230000001070 adhesive effect Effects 0.000 claims abstract description 49
- 230000003287 optical effect Effects 0.000 claims description 15
- 229920000297 Rayon Polymers 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000003292 glue Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Studio Devices (AREA)
Abstract
The utility model provides a camera module and an electronic product, wherein the camera module comprises a base and a support piece, a first combining surface used for being connected with the support piece is arranged at the top of the base, a second combining surface used for being connected with the base is arranged at the bottom of the support piece, an annular first sealing piece and a first adhesive are arranged between the first combining surface and the second combining surface, and the first adhesive is located in an enclosing area of the first sealing piece. According to the camera module and the electronic product provided by the embodiment of the utility model, the first sealing piece and the second sealing piece are arranged, so that the first adhesive and the second adhesive can be protected, and moisture permeation in a double 85 test is avoided, so that the first adhesive and the second adhesive are protected from being influenced by moisture, and the possibility of failure of the camera module is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of cameras, in particular to a camera module and an electronic product.
Background
With the progress of science and technology, various electronic products, such as mobile phones, cameras, tablet computers, etc., have become essential daily necessities for people. In order to record pictures and videos conveniently at any time and any place, the camera module also becomes a standard component of various electronic products.
Referring to fig. 1, a camera module includes a circuit board 11, a base 13, a voice coil motor 15, and a lens assembly 17, where the base 13 is fixed on the circuit board 11, the voice coil motor 15 is fixed on the top of the base 13, and the lens assembly 17 is fixed in the voice coil motor 15. The base 13 is fixed to the circuit board 11 by glue 19 and the lens assembly 17 is fixed within the voice coil motor 15 by glue 21. When the camera module is installed on consumer electronic products such as mobile phones, through the need of carrying out double 85 tests before reliability tests, namely placing the camera module for 120 hours at 85-degree high temperature and 85% humidity, then carrying out reliability tests such as roller falling and directional falling, the situation of viscose failure can often occur, so that parts fall off, and the reliability tests cannot be passed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a camera module and an electronic product which are high in adhesive reliability and difficult to lose efficacy.
The utility model provides a camera module, which comprises a base and a support piece, wherein a first combining surface used for being connected with the support piece is arranged at the top of the base, a second combining surface used for being connected with the base is arranged at the bottom of the support piece, an annular first sealing piece and a first adhesive are arranged between the first combining surface and the second combining surface, and the first adhesive is positioned in an enclosing area of the first sealing piece.
In one embodiment, the first combining surface of the base is provided with a recessed step groove facing away from one side of the support; the second combination surface of the support piece is provided with a first matching part which is used for being matched with the step groove in an abutting mode; the first sealing element is arranged in a first accommodating cavity formed between the inner side wall of the first matching part and the side wall of the stepped groove.
In one embodiment, the camera module further includes a lens assembly, and the first combining surface and the second combining surface are both planes perpendicular to the optical axis direction of the lens assembly.
In one embodiment, the camera module further includes a lens assembly, the support member is provided with a lens mounting hole, and the lens assembly is mounted in the lens mounting hole; and an annular second sealing piece and a second adhesive for fixing the lens assembly on the support piece are arranged between the outer side wall of the lens assembly and the inner wall of the lens mounting hole, and the second sealing piece is positioned above the second adhesive.
In one embodiment, a second fitting portion is formed by extending an end face of the lens mounting hole outward, and the second sealing element is disposed in a second accommodating cavity formed between an outer side wall of the lens assembly and an inner side wall of the second fitting portion.
In one embodiment, the camera module further includes a cover plate, the cover plate is covered at the opening of the lens mounting hole of the support member, and the cover plate is in interference fit with the outer side wall of the lens assembly and/or the inner wall of the lens mounting hole of the support member.
In one embodiment, the camera module further includes a lens assembly, the support member is provided with a lens mounting hole, the lens assembly is mounted in the lens mounting hole, and the lens assembly and the lens mounting hole are fixed by a second adhesive; a second sealing element is arranged above the second adhesive and fixed between the hole end surface of the lens mounting hole and the convex edge, wherein the convex edge is formed on the outer side wall of the lens component; or,
the camera module still includes the camera lens subassembly, be equipped with the camera lens mounting hole on the support piece, the camera lens subassembly install in the camera lens mounting hole, just the camera lens subassembly with it is fixed through the second viscose between the support piece, be equipped with annular second sealing member between the hole terminal surface of camera lens mounting hole and the chimb, the second viscose is located in the enclosure region of second sealing member, wherein the chimb is formed on the lateral wall of camera lens subassembly.
In one embodiment, the convex edge and the hole end surface of the lens mounting hole are both perpendicular to the optical axis direction of the lens assembly.
In one embodiment, the first sealing element and the second sealing element are both O-rings.
The utility model also provides an electronic product comprising the camera module.
According to the camera module and the electronic product provided by the embodiment of the utility model, the first sealing piece and the second sealing piece are arranged, so that the first adhesive and the second adhesive can be protected, and moisture permeation in a double 85 test is avoided, so that the first adhesive and the second adhesive are protected from being influenced by moisture, and the possibility of failure of the camera module is greatly reduced.
Drawings
Fig. 1 is a schematic structural diagram of a camera module.
Fig. 2 is a schematic top view of a camera module according to an embodiment of the utility model.
Fig. 3 is a sectional view of the camera module shown in fig. 2 taken along the line III-III.
Fig. 4 is a schematic top view of the camera module shown in fig. 2 with the support member and the cover plate removed.
Fig. 5 is a schematic cross-sectional view of a camera module according to another embodiment of the utility model.
Fig. 6 is a schematic cross-sectional view of a camera module according to another embodiment of the utility model.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description is given to the specific embodiments, structures, features and effects of the present invention in conjunction with the accompanying drawings and examples.
The applicant has analyzed that in the prior art, the frequent failure of the adhesive of the camera module is mainly caused by the following reasons:
1. the moisture has a great influence on the bonding strength between the bonding interfaces of the adhesive, and along with the increase of the moisture, the bonding strength of the adhesive can be reduced to cause falling off, and meanwhile, the mechanical properties such as the elastic modulus and the like of the adhesive can also be influenced.
2. Under the high temperature and high humidity environment, the object can absorb moisture and expand to deform, and local stress concentration is easy to occur due to the large difference of the thermal expansion coefficients of the adhered object and the viscose, so that the viscose is accelerated to lose efficacy.
As shown in fig. 2 and fig. 3, the camera module according to an embodiment of the present invention includes a circuit board 31, a base 33, a support 35, a lens assembly 37, a chip 43, and an optical filter 45, where the lens assembly 37 includes a lens barrel and a lens group, the lens group is disposed in the lens barrel, and the lens barrel is connected to the support 35; the circuit board 31 is fixed at the bottom of the base 33; the support 35 is mounted on top of the base 33.
In this embodiment, the circuit board 31 includes a body 312 and a connecting portion 314, the body 312 is located below the base 33, and the connecting portion 314 extends to the outside below the base 33 to connect with an external circuit. In particular, the connection portion 314 may be a flexible circuit board to facilitate connection with an external circuit. The circuit board 31 and the base 33 can be fixedly connected by glue, and more specifically, the glue connecting the circuit board 31 and the base 33 can be a sealant, which can perform a certain sealing function while being bonded.
In this embodiment, the bottom of the base 33 forms an accommodating cavity 332, the chip 43 is located in the accommodating cavity 332, and the chip 43 is electrically connected to the circuit board 31; a filter placing cavity 333 is formed at the top of the base 33, the filter placing cavity 333 and the accommodating cavity 332 are coaxially arranged, and the cavity bottom of the filter placing cavity 333 is communicated with the cavity bottom of the accommodating cavity 332 through a light hole; the optical filter 45 is located between the lens assembly 37 and the optical filter placing cavity 333, and the optical filter 45 is fixedly arranged in the optical filter placing cavity 333, specifically, the optical filter 45 may be fixed at the bottom of the optical filter placing cavity 333 through an adhesive.
In this embodiment, the top of the base 33 is provided with a first combining surface for connecting with the support 35, and the bottom of the support 35 is provided with a second combining surface for connecting with the base 33.
Continuing with fig. 4, an annular first sealing element 39 and a first adhesive 47 are disposed between the first bonding surface and the second bonding surface, and the first adhesive 47 is located in the enclosed region of the first sealing element 39. In this way, the first sealing element 39 is located outside the first adhesive 47 in the radial direction, that is, the first sealing element 39 is closer to the outside of the camera module than the first adhesive 47, and can block the external moisture from entering and affecting the first adhesive 47.
In this embodiment, referring to fig. 3, a first combining surface of the base 33 is provided with a step groove recessed towards a side far away from the support 35; a first matching part 352 for matching with the step groove in an abutting mode is arranged on the second combining surface of the supporting piece 35; the first seal 39 is provided in a first receiving chamber formed between an inner side wall of the first fitting portion 352 and a side wall of the stepped groove.
In this embodiment, the step groove is located at the outer side edge of the first combining surface, that is, the step groove is formed between the upper surface of the base and the outer peripheral surface of the base 33, the first sealing element 39 is placed at the step groove, and the first sealing element 39 is not only located at the outer side of the first adhesive 47, but also located at the lower side of the first adhesive 47, so that the first sealing element 39 can better prevent water vapor from reaching the first adhesive 47, and the first adhesive 47 is prevented from being affected; of course, the step groove can be located in the middle of the first combining surface as long as the step groove can be located outside the first adhesive 47.
In another embodiment, referring to fig. 5, the top of the base 33 is provided with a first combining surface for connecting with the supporting member 35, and the bottom of the supporting member 35 is provided with a second combining surface for connecting with the base 33, specifically, in this embodiment, the base 33 is not provided with a step groove, and the supporting member 35 is not provided with the first matching portion 352, that is, the first combining surface and the second combining surface are both planes perpendicular to the optical axis direction of the lens assembly 37, but the first combining surface and the second combining surface may also be planes inclined with respect to the optical axis direction of the lens assembly 37.
In this embodiment, referring to fig. 3 and 4, a lens mounting hole is formed in the supporting member 35, and the lens assembly 37 is mounted in the lens mounting hole of the supporting member 35; an annular second sealing member 41 and a second adhesive 49 for fixing the lens assembly 37 to the support member 35 are disposed between the outer side wall of the lens assembly 37 and the inner wall of the lens mounting hole, and the second sealing member 41 is located above the second adhesive 49. By arranging the second sealing member 41 above the second adhesive 49, the second sealing member 41 is closer to the outside of the camera module than the second adhesive 49, and is used for blocking the entrance of external moisture from affecting the second adhesive 49.
In this embodiment, referring to fig. 3, a second fitting portion 354 is formed by extending an end surface of the lens mounting hole outward, and the second sealing member 41 is disposed in a second accommodating cavity formed between an outer side wall of the lens assembly 37 and an inner side wall of the second fitting portion 354; in the present embodiment, the supporting member 35 is a voice coil motor, the lens mounting hole is disposed on a carrier in the voice coil motor, and there is not enough space for the second sealing member 41 to mount (see fig. 1) after the carrier in the conventional voice coil motor is connected to the lens assembly 37, so that the hole end surface of the lens mounting hole in the present embodiment is an end surface of the carrier, the end surface of the carrier extends outward to form a second matching portion 354, and the second matching portion 354 protrudes from the housing in the voice coil motor; in another embodiment, when the support 35 is not a voice coil motor but only a lens mount for mounting the lens assembly, the lens mounting hole is provided on the lens mount; when there is not enough space for the second sealing member 41 to be mounted after the lens mount is connected to the lens assembly 37, the aperture end surface of the lens mounting hole is the end surface of the lens mount, and the end surface of the lens mount extends outward to form the second fitting portion 354, and when there is enough space for the second sealing member 41 to be mounted after the lens mount is connected to the lens assembly 37, the design of the second fitting portion 354 may be omitted, and the second sealing member 41 may be directly disposed between the outer side wall of the lens assembly 37 and the inner side wall of the lens mounting hole.
In the present embodiment, the first seal 39 and the second seal 41 are both O-rings.
In this embodiment, referring to fig. 3, the camera module further includes a cover plate 51, the cover plate 51 covers the opening of the lens mounting hole of the support 35, and the cover plate 51 is in interference fit with the outer sidewall of the lens assembly 37. It is understood that the cover plate 51 may also be interference fit with the inner wall of the lens mounting hole of the support 35, or both the cover plate 51 and the outer sidewall of the lens assembly 37 and the cover plate 51 may be interference fit with the inner wall of the lens mounting hole of the support 35. The second seal 41 is secured by the cover 51 such that the second seal 41 is trapped between the cover 51 and the second adhesive 49 (see fig. 3).
In another embodiment, as shown in fig. 5, the camera module further includes a lens assembly 37, a lens mounting hole is formed on the support member 35, the lens assembly 37 is mounted in the lens mounting hole, and the lens assembly 37 and the lens mounting hole are fixed by a second adhesive 49; a second sealing member 41 is disposed above the second adhesive 49, and the second sealing member 41 is fixed between the hole end surface of the lens mounting hole and the flange 372, wherein the flange 372 is formed on the outer side wall of the lens assembly 37.
In this embodiment, if the supporting member 35 is a voice coil motor, the lens mounting hole is disposed on a carrier in the voice coil motor, and the hole end surface of the lens mounting hole is the end surface of the carrier, whereas if the supporting member 35 is not a voice coil motor and is only used for mounting the lens holder of the lens assembly, the lens mounting hole is disposed on the lens holder, and the hole end surface of the lens mounting hole is the end surface of the lens holder.
In this embodiment, the convex edge and the hole end surface of the lens mounting hole are both disposed perpendicular to the optical axis direction of the lens assembly 37, but both the convex edge and the hole end surface of the lens mounting hole may be inclined with respect to the optical axis direction of the lens assembly.
In another embodiment, as shown in fig. 6, the camera module of this embodiment has a similar structure to the camera module shown in fig. 5, except that in this embodiment, an annular second sealing member 41 is disposed between the hole end surface of the lens mounting hole and the flange 372, the second adhesive 49 of the camera module is disposed between the hole end surface of the lens mounting hole and the flange 372, and the second adhesive 49 is located in the enclosing area of the second sealing member 41, i.e., the second adhesive 49 is located inside the second sealing member 41.
In the camera module of this embodiment, owing to set up first sealing member 39 and second sealing member 41, can form the protection to first viscose 47 and second viscose 49, avoid moisture infiltration in two 85 tests to first viscose 47 and second viscose 49 are protected not influenced by the moisture, reduce the possibility that camera module became invalid greatly.
The utility model also provides an electronic product comprising the camera module.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The camera module is characterized by comprising a base (33) and a support piece (35), wherein a first combining surface used for being connected with the support piece (35) is arranged at the top of the base (33), a second combining surface used for being connected with the base (33) is arranged at the bottom of the support piece (35), an annular first sealing piece (39) and first adhesive (47) are arranged between the first combining surface and the second combining surface, and the first adhesive (47) is located in an enclosing area of the first sealing piece (39).
2. The camera module according to claim 1, wherein the first coupling surface of the base (33) is provided with a stepped groove recessed toward a side away from the support member (35); a first matching part (352) which is used for being matched with the step groove in an abutting mode is arranged on the second combining surface of the supporting piece (35); the first seal member (39) is provided in a first receiving chamber formed between an inner side wall of the first fitting portion (352) and a side wall of the stepped groove.
3. The camera module of claim 1, further comprising a lens assembly (37), wherein the first and second engaging surfaces are both planar surfaces perpendicular to an optical axis of the lens assembly (37).
4. The camera module of claim 1, further comprising a lens assembly (37), wherein the support member (35) defines a lens mounting hole, and wherein the lens assembly (37) is mounted in the lens mounting hole; an annular second sealing piece (41) and a second adhesive (49) for fixing the lens assembly (37) to the support piece (35) are arranged between the outer side wall of the lens assembly (37) and the inner wall of the lens mounting hole, and the second sealing piece (41) is located above the second adhesive (49).
5. The camera module of claim 4, wherein the lens mounting hole has a hole end surface extending outward to form a second fitting portion (354), and the second sealing member (41) is disposed in a second receiving cavity formed between an outer sidewall of the lens assembly (37) and an inner sidewall of the second fitting portion (354).
6. The camera module according to claim 4, further comprising a cover plate (51), wherein the cover plate (51) covers the opening of the lens mounting hole, and the cover plate (51) is in interference fit with an outer sidewall of the lens assembly (37) and/or an inner wall of the lens mounting hole of the support member (35).
7. The camera module according to claim 1, further comprising a lens assembly (37), wherein a lens mounting hole is formed in the support member (35), the lens assembly (37) is mounted in the lens mounting hole, and the lens assembly (37) and the lens mounting hole are fixed by a second adhesive (49); a second sealing piece (41) is arranged above the second adhesive (49), the second sealing piece (41) is fixed between the hole end surface of the lens mounting hole and the convex edge (372), wherein the convex edge (372) is formed on the outer side wall of the lens assembly (37); or,
the camera module still includes lens subassembly (37), be equipped with the lens mounting hole on support piece (35), lens subassembly (37) install in the lens mounting hole, just lens subassembly (37) with it is fixed through second viscose (49) between support piece (35), be equipped with annular second sealing member (41) between the hole terminal surface of lens mounting hole and chimb (372), second viscose (49) are located in the enclosure region of second sealing member (41), wherein chimb (372) are formed on the lateral wall of lens subassembly (37).
8. The camera module of claim 7, wherein: the convex edge (372) and the hole end surface of the lens mounting hole are both perpendicular to the optical axis direction of the lens assembly (37).
9. The camera module according to claim 4, wherein the first and second sealing members (39, 41) are O-rings.
10. An electronic product, characterized by comprising the camera module of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122279323.7U CN215734516U (en) | 2021-09-18 | 2021-09-18 | Camera module and electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122279323.7U CN215734516U (en) | 2021-09-18 | 2021-09-18 | Camera module and electronic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215734516U true CN215734516U (en) | 2022-02-01 |
Family
ID=80022613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122279323.7U Active CN215734516U (en) | 2021-09-18 | 2021-09-18 | Camera module and electronic product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215734516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118175407A (en) * | 2024-05-14 | 2024-06-11 | 杭州海康威视数字技术股份有限公司 | Video camera |
-
2021
- 2021-09-18 CN CN202122279323.7U patent/CN215734516U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118175407A (en) * | 2024-05-14 | 2024-06-11 | 杭州海康威视数字技术股份有限公司 | Video camera |
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