CN109151270B - Lens module mounting structure and mobile terminal - Google Patents
Lens module mounting structure and mobile terminal Download PDFInfo
- Publication number
- CN109151270B CN109151270B CN201810963055.0A CN201810963055A CN109151270B CN 109151270 B CN109151270 B CN 109151270B CN 201810963055 A CN201810963055 A CN 201810963055A CN 109151270 B CN109151270 B CN 109151270B
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- lens
- circuit board
- mounting structure
- middle frame
- module mounting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
Abstract
The invention provides a lens module mounting structure, which comprises a lens component and a middle frame, wherein the lens component comprises a lens, a chip and a circuit board; the middle frame is provided with a through hole, and the lens is arranged in the through hole; the chip is fixedly arranged on the circuit board, the chip is positioned in the projection area of the lens and between the lens and the circuit board, and the circuit board is fixedly connected with the middle frame. According to the lens module mounting structure provided by the invention, the lens is embedded in the through hole on the middle frame, so that additional lens barrel parts are avoided, the matching tolerance of the lens barrel and the lens is not required to be considered, the matching tolerance of the lens barrel and the lens is eliminated, the reliability and the accuracy of the position of the lens are ensured, and the assembly consistency of the lens module is improved.
Description
Technical Field
The embodiment of the invention relates to the field of mechanical structures, in particular to a lens module mounting structure and a mobile terminal.
Background
With the improvement of audio-visual requirements of various mobile terminals, mobile terminals with large screen occupation ratio gradually become a technical development trend. In order to realize a larger screen occupation ratio, more and more mobile terminals adopt the structural design of fingerprint under the screen. As shown in fig. 1, which shows a schematic diagram of a conventional fingerprint structure under a screen, a lens 10 is installed in a lens barrel 11 made of a plastic material, and the lens barrel 11 is attached to a position where a lens hole 121 is formed in a middle frame 12 of a mobile terminal.
In the mounting structure, the lens barrel and the middle frame are attached together, so that the matching tolerance of the lens barrel and the middle frame can be accumulated to influence the accuracy of the distance between the lens and the screen, and the assembly consistency of the module is poor.
Disclosure of Invention
The invention provides a lens module mounting structure and a mobile terminal, which are used for eliminating the matching tolerance of a lens barrel and a lens, ensuring the reliability and accuracy of the position of the lens and improving the assembly consistency of a lens module.
According to a first aspect of the present invention, there is provided a lens module mounting structure, comprising a lens assembly and a middle frame, the lens assembly comprising a lens, a chip and a circuit board;
the middle frame is provided with a through hole, and the lens is arranged in the through hole;
the chip is fixedly arranged on the circuit board, the chip is positioned in the projection area of the lens and between the lens and the circuit board, and the circuit board is fixedly connected with the middle frame.
According to a second aspect of the present invention, a mobile terminal is provided, which includes the lens module mounting structure.
Compared with the prior art, the invention has at least the following advantages:
according to the lens module mounting structure provided by the invention, the through hole is formed in the middle frame, and the lens is arranged in the through hole, so that the additional use of lens barrel parts is avoided, and the matching tolerance of the lens barrel and the lens does not need to be considered, so that the matching tolerance of the lens barrel and the lens is eliminated, the reliability and the accuracy of the position of the lens are ensured, and the assembly consistency of the lens module is improved.
Drawings
FIG. 1 is a schematic view of a lens module mounting structure according to the prior art;
FIG. 2 is a schematic view of a lens module mounting structure according to an embodiment of the invention;
FIG. 3 is a schematic view of another lens module mounting structure according to an embodiment of the invention;
fig. 4 is a schematic view of another lens module mounting structure according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following describes a lens module mounting structure and a mobile terminal according to the present invention in detail by exemplifying specific embodiments.
Referring to fig. 2, the present invention provides a lens module mounting structure, the lens module mounting structure includes a lens assembly 20 and a middle frame 21, the lens assembly 20 includes a lens 201, a chip 202 and a circuit board 203;
a through hole 211 is arranged on the middle frame 21, and the lens 201 is arranged in the through hole 211;
the chip 202 is mounted and fixed on the circuit board 203, the chip 202 is located in the projection area of the lens 201 and between the lens 201 and the circuit board 203, and the circuit board 203 is fixedly connected with the middle frame 21.
Specifically, as shown in fig. 2, the present invention provides a lens module mounting structure, the lens module mounting structure includes a lens assembly 20 and a middle frame 21, the lens assembly 20 includes a lens 201, a chip 202 and a circuit board 203. The lens assembly is used as a photoelectric assembly to realize conversion processing from optical signals to electric signals; the middle frame 21 serves as a base of the mounting structure of the entire lens assembly 20. A through hole 211 is formed in the middle frame 21, and the shape of the through hole 211 matches with the shape of the lens 201, so that the lens 201 can be assembled with the through hole 211, and the through hole 211 plays a role of a lens barrel in a conventional mounting structure. The chip 202 is mounted and fixed on the circuit board 203, the chip 202 is located in the projection area of the lens 201 and between the lens 201 and the circuit board 203, and the circuit board 203 is fixedly connected with the middle frame 21. After the conventional barrel parts are discarded, the circuit board 203 with the chip 202 is fixed on the middle frame 21 after the lens 201 is mounted in the through hole 211, and is not connected with the conventional barrel.
According to the lens module mounting structure provided by the invention, the through hole is formed in the middle frame, and the lens is embedded in the through hole, so that the additional use of lens barrel parts is avoided, the matching tolerance of the lens barrel and the lens does not need to be considered, the matching tolerance of the lens barrel and the lens is eliminated, the reliability and the accuracy of the lens position are ensured, the assembly consistency of the lens module is improved, the thickness of the mounting structure is effectively reduced when the lens is positioned in the through hole, and the light and thin integral structure is facilitated.
Optionally, referring to fig. 3, an inner wall of the through hole 211 on a side away from the circuit board 203 is provided with an annular retaining ring 2111.
Specifically, as shown in fig. 3, the circuit board 203 is fixed to one side of the through hole 211, the other side is an open optical path, and an annular retainer ring 2111 is provided on the inner wall of the side away from the circuit board 203, so that the lens 201 can be prevented from falling off through the through hole when mounted.
Optionally, referring to fig. 4, an annular boss 212 protruding from a plane of the middle frame 21 is disposed on a side of the middle frame 21 close to the circuit board 203, and the circuit board 203 is fixedly connected to the annular boss 212.
Specifically, as shown in fig. 4, an annular boss 212 is disposed on the middle frame 21 at a position coaxial with the through hole 211, the annular boss 212 is located at a side close to the circuit board 203, when the thickness of the lens 201 is thick, the protruding annular boss 212 can leave a mounting space for the chip 202, leaving a sufficient optical space, the chip 202 is located in the mounting space, and the circuit board 203 and the annular boss 212 are fixed to enclose the chip 202 in the mounting space, thereby ensuring the effective operation of the lens module.
Optionally, the lens 201 is in interference fit with the through hole 211; and/or the presence of a gas in the gas,
the lens 201 is fixedly connected with the through hole 211 through an adhesive.
Specifically, for guaranteeing that the assembly between lens 201 and the through-hole 211 is reliable, inlay when lens 201 in the through-hole 211, accessible size relation makes lens 201 and through-hole 211 interference fit, and the outer wall of lens 201 and the inner wall contact fit of through-hole 211 this moment, and both interference fit can guarantee the fastening to need not to consider the influence of the fit tolerance of lens 201 and through-hole 211 horizontal plane to the assembly position accuracy. An adhesive may be filled between the lens 201 and the inner wall of the through hole 211 to firmly connect the lens 201 and the through hole. Of course, the coexistence of interference fit and adhesion is also a connection scheme for ensuring the connection between the two.
Optionally, the circuit board 203 and the middle frame 21 are fixedly connected by an adhesive or screws.
Specifically, when the circuit board 203 is fixedly connected to the middle frame 21, the circuit board and the middle frame may be fixedly connected by dispensing adhesive or using screws, so as to ensure reliable connection between the circuit board and the middle frame.
Optionally, the middle frame 21 is made of metal.
Particularly, to the center 21 of metal material, can be when CNC processing center, directly process out through-hole 211 and be used for installing lens 201, the metal material is for the plastic material, receives ambient temperature's deformation little, and assurance lens that can be better is in predetermined design position, guarantees the working property of lens module.
Optionally, the lens assembly 20 is any one of an optical fingerprint assembly and a camera lens assembly.
Specifically, the lens assembly 20 may be an optical fingerprint assembly, and the optical fingerprint assembly may be installed in a through hole of a middle frame below a screen of the mobile terminal, so as to implement a design scheme of a fingerprint structure under the screen; the lens assembly 20 may also be a camera lens assembly, and the camera lens assembly may be installed in a through hole of a front panel or a rear housing of the mobile terminal, so as to reduce the thickness of the mobile terminal and achieve a light and thin design of the mobile terminal.
The invention also provides a mobile terminal which comprises the lens module mounting structure.
The lens module mounting structure is applied to a mobile terminal, and the mobile terminal is a smart phone, a computer, a multimedia player, an electronic reader, a wearable device and the like.
The lens module mounting structure and the mobile terminal provided by the embodiment of the invention enable the mounting and fixing of the lens component to be more accurate and reliable, are not easily influenced by the environmental temperature, improve the working performance of the lens module, enable the lens module to work more reliably, do not need to manufacture a lens barrel by injection molding, and are beneficial to simplifying the manufacturing and assembling process and reducing the manufacturing cost.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A lens module mounting structure is applied below a screen of a mobile terminal, or a front panel or a rear shell of the mobile terminal, and is characterized in that the lens module mounting structure comprises a lens component and a middle frame, wherein the lens component comprises a lens, a chip and a circuit board;
the middle frame is provided with a through hole, and the lens is arranged in the through hole;
the chip is fixedly arranged on the circuit board, the chip is positioned in the projection area of the lens and between the lens and the circuit board, and the circuit board is fixedly connected with the middle frame;
one side of the middle frame close to the circuit board is provided with an annular boss protruding out of the plane of the middle frame, and the circuit board is fixedly connected with the annular boss.
2. The lens module mounting structure of claim 1,
and an annular retainer ring is arranged on the inner wall of one side of the through hole, which is far away from the circuit board.
3. The lens module mounting structure of claim 1,
the lens is in interference fit with the through hole; and/or the presence of a gas in the gas,
the lens is fixedly connected with the through hole through a bonding agent.
4. The lens module mounting structure of claim 1,
the circuit board is fixedly connected with the middle frame through an adhesive or a screw.
5. The lens module mounting structure of claim 1,
the middle frame is made of metal.
6. The lens module mounting structure of claim 1,
the lens component is any one of an optical fingerprint component and a camera lens component.
7. A mobile terminal, characterized in that the mobile terminal comprises the lens module mounting structure of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810963055.0A CN109151270B (en) | 2018-08-22 | 2018-08-22 | Lens module mounting structure and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810963055.0A CN109151270B (en) | 2018-08-22 | 2018-08-22 | Lens module mounting structure and mobile terminal |
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| Publication Number | Publication Date |
|---|---|
| CN109151270A CN109151270A (en) | 2019-01-04 |
| CN109151270B true CN109151270B (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810963055.0A Active CN109151270B (en) | 2018-08-22 | 2018-08-22 | Lens module mounting structure and mobile terminal |
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| CN (1) | CN109151270B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110175497A (en) | 2018-07-23 | 2019-08-27 | 神盾股份有限公司 | Optical finger print sensing module and electronic device |
| CN110381188A (en) * | 2019-08-08 | 2019-10-25 | 西安易朴通讯技术有限公司 | Mobile terminal and its application method |
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| JP2006171590A (en) * | 2004-12-20 | 2006-06-29 | Shinko Electric Ind Co Ltd | Manufacturing method for camera module |
| CN1834717A (en) * | 2005-03-17 | 2006-09-20 | 柯尼卡美能达精密光学株式会社 | Image pickup lens, image pickup apparatus, and mobile terminal provided with image pickup apparatus |
| CN101165585A (en) * | 2006-10-18 | 2008-04-23 | 进展产业株式会社 | Imaging apparatus |
| CN101276041A (en) * | 2007-03-28 | 2008-10-01 | 柯尼卡美能达精密光学株式会社 | Image pickup lens, image pickup apparatus and mobile terminal |
| CN101406039A (en) * | 2006-03-22 | 2009-04-08 | 罗伯特·博世有限公司 | Method for assembling a camera module, and camera module |
| CN201293857Y (en) * | 2008-09-16 | 2009-08-19 | 凌代年 | Focusing-free lens |
| KR20100083924A (en) * | 2009-01-15 | 2010-07-23 | 엘지이노텍 주식회사 | Camera module |
| CN205791972U (en) * | 2016-06-08 | 2016-12-07 | 南通森玛特电机有限公司 | A kind of visualization explosion-proof motor junction box |
| CN107046620A (en) * | 2017-06-02 | 2017-08-15 | 信利光电股份有限公司 | The package assembly and a kind of camera module of a kind of camera lens and base |
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2018
- 2018-08-22 CN CN201810963055.0A patent/CN109151270B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1637453A (en) * | 2003-12-24 | 2005-07-13 | 松下电器产业株式会社 | Lens unit and electronic apparatus using the same |
| JP2006171590A (en) * | 2004-12-20 | 2006-06-29 | Shinko Electric Ind Co Ltd | Manufacturing method for camera module |
| CN1834717A (en) * | 2005-03-17 | 2006-09-20 | 柯尼卡美能达精密光学株式会社 | Image pickup lens, image pickup apparatus, and mobile terminal provided with image pickup apparatus |
| CN101406039A (en) * | 2006-03-22 | 2009-04-08 | 罗伯特·博世有限公司 | Method for assembling a camera module, and camera module |
| CN101165585A (en) * | 2006-10-18 | 2008-04-23 | 进展产业株式会社 | Imaging apparatus |
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| CN205791972U (en) * | 2016-06-08 | 2016-12-07 | 南通森玛特电机有限公司 | A kind of visualization explosion-proof motor junction box |
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| Publication number | Publication date |
|---|---|
| CN109151270A (en) | 2019-01-04 |
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