CN109211535B - Projection detection jig and projection detection method for external lens of mobile phone - Google Patents
Projection detection jig and projection detection method for external lens of mobile phone Download PDFInfo
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- CN109211535B CN109211535B CN201811250621.XA CN201811250621A CN109211535B CN 109211535 B CN109211535 B CN 109211535B CN 201811250621 A CN201811250621 A CN 201811250621A CN 109211535 B CN109211535 B CN 109211535B
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- mobile phone
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
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- General Physics & Mathematics (AREA)
- Accessories Of Cameras (AREA)
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- Telephone Set Structure (AREA)
Abstract
A projection detection jig for an external mobile phone lens comprises a mobile phone lens, a connecting seat and a switching ring, wherein the mobile phone lens and the external mobile phone lens are respectively connected with the connecting seat, the external mobile phone lens is detachably connected with the connecting seat, and the external mobile phone lens can be telescopically adjusted and locked and installed in the connecting seat; the adapter ring is fixed on the outer side of a reticle of the projector, the adapter ring is connected with the connecting seat in a matching mode, the connecting seat can be telescopically adjusted and is locked and installed in the adapter ring, so that the mobile phone lens and the mobile phone external lens are fixed on the outer side of the reticle, and the mobile phone lens, the mobile phone external lens and the mobile phone external lens are all located on the same horizontal axis. A projection detection method of the mobile phone external lens is also provided. The invention can realize the independent focusing of the mobile phone lens and the secondary focusing of the mobile phone external lens, so that the projection detection of the mobile phone external lens can be implemented, and the jig has the advantages of low manufacturing cost, high detection efficiency, low cost, strong reliability and suitability for batch detection.
Description
Technical Field
The invention relates to the technical field of photoelectric detection, in particular to a projection detection jig for an externally hung lens of a mobile phone and a method for performing projection detection on the externally hung lens of the mobile phone by using the projection detection jig.
Background
Most of mobile phone shooting fields of view are little, and close range autodyne can't realize the people and scene unification, because of the focus is not long enough in addition, and long distance shoots the formation of image for a short time little. In order to overcome the defect, various mobile phone external lenses such as a mobile phone fisheye, a micro-focus lens, a long-focus lens, a wide-angle lens, a 360-degree panorama lens and the like appear on the market.
In the production process of the external lens of the mobile phone, detection is needed, wherein the resolution is a key index. The existing detection mode is actually measured by a mobile phone, namely, an external lens of the mobile phone is directly installed on the mobile phone, and then, the human eyes observe the definition of a shot picture to judge whether the lens is qualified or not. The method can only perform qualitative comparison analysis, lacks specific line pair data, is easily influenced by artificial subjective factors and has low reliability.
Projection detection is an effective and practical lens detection method, but a single externally hung lens cannot be directly detected on a projector. Therefore, it is necessary to develop a projection detection method for external lens of mobile phone.
Disclosure of Invention
In view of the above problems in the prior art, it is an object of the present invention to provide a projection detection tool for a mobile phone add-on lens, which combines a mobile phone lens and a mobile phone add-on lens together to quantify the resolution detection of the mobile phone add-on lens.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a projection detection jig for a mobile phone external lens comprises a mobile phone lens, a connecting seat and a switching ring;
the mobile phone external lens detection device comprises a connecting seat, a first inner cavity, a second inner cavity, a first inner cavity and a second inner cavity, wherein the first inner cavity is matched with one end of the mobile phone lens, the second inner cavity is matched with one end of a mobile phone external lens to be detected, the first inner cavity is communicated with the second inner cavity, the mobile phone lens and the mobile phone external lens are respectively connected with the connecting seat through the first inner cavity and the second inner cavity and are arranged in a coaxial line manner in opposite directions at two ends of the connecting seat, the mobile phone external lens is detachably connected with the connecting seat, and the;
the adapter ring is fixed on the outer side of a reticle of the projector, the inner cavity of the adapter ring is matched with the outer diameter of the connecting seat, the adapter ring is connected with the connecting seat in a matching mode, the connecting seat can be adjusted in a telescopic mode and is locked and installed in the adapter ring, so that the mobile phone lens and the mobile phone external lens are fixed on the outer side of the reticle, and the mobile phone lens, the mobile phone external lens and the mobile phone external lens are located on the same horizontal axis.
Preferably, the locking device further comprises a locking ring fixed in the inner cavity of the adapter ring to fasten the connecting seat.
More preferably, the adapter ring is in threaded connection with the locking ring.
Preferably, the connecting seat and the adapter ring are connected through fine threads.
Preferably, the external lens of the mobile phone is in threaded connection with the connecting seat.
Preferably, the mobile phone lens is connected with the connecting seat in an adhering mode.
The invention also aims to provide a method for performing projection detection on an externally-hung lens of a mobile phone by using the projection detection jig, which comprises the following steps:
s1, fixing the adapter ring on the outer side of the reticle of the projector;
s2, fixing the mobile phone lens in the first inner cavity of the connecting seat;
s3, mounting the connecting seat fixed with the mobile phone lens in the adapter ring, wherein the fixing position of the connecting seat is determined according to the focal length of the lens;
s4, installing the external lens of the mobile phone to be detected in the connecting seat, wherein the fixing position of the external lens of the mobile phone is determined according to the focal length of the lens;
and S5, detecting the line pair projected by the mobile phone add-on lens, and taking out the mobile phone add-on lens after the detection is finished for the next detection.
Preferably, before the step S4, the method further includes the steps of: and a locking ring is arranged in the adapter ring to fasten the connecting seat.
Preferably, the adapter ring is in threaded connection with the locking ring.
Preferably, the connecting seat and the adapter ring are connected through fine threads.
Preferably, the external lens of the mobile phone is in threaded connection with the connecting seat.
Preferably, the mobile phone lens is connected with the connecting seat in an adhering mode.
The invention has the beneficial effects that:
(1) the projection detection jig combines the mobile phone lens and the mobile phone add-on lens together, realizes projection detection of the mobile phone add-on lens, realizes quantification of resolution detection of the mobile phone add-on lens, and solves the problem that a single add-on lens cannot be directly detected on a projection instrument in the prior art.
(2) The mobile phone lens is arranged in the connecting seat, and meanwhile, the connecting seat can be telescopically adjusted and is locked and arranged in the adapter ring, so that the independent focusing of the mobile phone lens can be realized.
(3) The mobile phone external lens is detachably connected with the connecting seat, batch detection of the mobile phone external lenses can be realized, and the detection efficiency is high, the cost is low, and the reliability is high.
Drawings
Fig. 1 is a schematic structural diagram of a projection detection fixture with a to-be-detected external lens of a mobile phone according to an embodiment of the present invention;
in the figure: 1-reticle, 2-mobile phone lens, 3-connecting seat, 4-locking ring, 5-adapter ring and 6-mobile phone external lens.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1, the projection detection tool for the external lens of the mobile phone of the present invention includes a mobile phone lens 2, a connecting base 3 and a switching ring 5.
A first inner cavity matched with one end of the mobile phone lens 2 is formed in one end of the connecting seat 3, and the mobile phone lens 2 is installed in the first inner cavity. The present invention is not particularly limited to the mounting method of the camera lens 2, and preferably, the camera lens is fixed by gluing to reduce the manufacturing cost and improve the mounting efficiency.
The other end of the connecting seat 3 is provided with a second inner cavity which is matched with one end of a mobile phone external lens 6 to be detected and is communicated with the first inner cavity. The mobile phone lens 2 and the mobile phone plug-in lens 6 are respectively connected with the connecting seat 3 through the first inner cavity and the second inner cavity, and are arranged at two ends of the connecting seat 3 in a coaxial line and opposite mode. In order to realize the focusing of the external mobile phone lens 6 and facilitate the installation and the disassembly of the external mobile phone lens 6, the external mobile phone lens 6 is detachably connected with the connecting seat 3, and the external mobile phone lens 6 can be telescopically adjusted and is locked and installed in the connecting seat 3. The fixing mode of the external lens 6 of the mobile phone and the connecting seat 3 is not particularly limited, and the external lens can be fixed by adopting a threaded connection or a telescopic insertion mode and the like, and preferably adopts a threaded connection.
Adapter ring 5 is fixed in the reticle 1 outside of projecting apparatus, the inner chamber of adapter ring 5 with 3 external diameter looks adaptations of connecting seat, adapter ring 5 with 3 accordant connection of connecting seat, for the focus of cell-phone camera lens 2, connecting seat 3 can stretch out and draw back to adjust and the locking is installed in adapter ring 5. The fixing mode of the adapter ring 5 and the connecting seat 3 is not particularly limited, and the adapter ring can be fixed by adopting a threaded connection mode or a telescopic insertion mode and the like, so long as the purpose can be achieved and shaking is avoided, and fine threaded connection is preferably adopted.
In order to further fasten the connecting seat 3, it is more preferable that a locking ring 4 is installed in an inner cavity of the adapter ring 5, and the locking ring 4 and the adapter ring 5 are preferably in threaded connection and can press the connecting seat 3.
The mobile phone lens 2 and the mobile phone external lens 6 are fixed on the outer side of the reticle 1, and the mobile phone lens 2, the mobile phone external lens 6 and the reticle 1 are all located on the same horizontal axis.
According to a preferred embodiment of the present invention, the projection inspection tool is used as follows:
1. the adapter ring 5 is screwed into the projector and fixed on the outer side of the reticle 1 of the projector, and the external thread of the adapter ring 5 is matched with the internal thread of the projector.
2. The mobile phone lens 2 is arranged in the first inner cavity at one end of the connecting seat 3, the two are in clearance fit, and after the mobile phone lens is arranged, the mobile phone lens is fixed by glue.
3. The connecting seat 3 with the mobile phone lens 2 is screwed into the adapter ring 5, the focal length is adjusted by screwing the connecting seat 3 to the lens, and the connecting seat 3 is in fine thread fit with the adapter ring 5.
4. The locking ring 4 is screwed into the adapter ring 5, and the locking ring 4 is in threaded fit with the adapter ring 5, so that the connecting seat 3 is fastened.
5. And screwing the external lens 6 of the mobile phone to be detected into the second inner cavity at the other end of the connecting seat 3 to focus.
6. And detecting the line pair projected by the mobile phone external lens 6, and taking out the mobile phone external lens 6 after the detection is finished for the next detection.
In the prior art, most of the detection methods of the external lens of the mobile phone are actually measured by the mobile phone, the external lens of the mobile phone is directly installed on the mobile phone, and then the definition of a picture shot by the mobile phone is observed by human eyes. The definition of a picture observed by human eyes cannot be accurately measured, and the quality of a product is difficult to ensure due to the fact that the definition is a fuzzy concept. The invention combines the mobile phone lens and the mobile phone external lens together, can realize the independent focusing of the mobile phone lens and the secondary focusing of the mobile phone external lens, implements the projection detection of the mobile phone external lens, has low manufacturing cost, is suitable for batch detection, and has high detection efficiency, low cost and strong reliability.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
Claims (10)
1. A projection detection jig for a mobile phone external lens comprises a connecting seat, and is characterized by further comprising a mobile phone lens and a switching ring;
the mobile phone external lens detection device comprises a connecting seat, a first inner cavity, a second inner cavity, a first inner cavity and a second inner cavity, wherein the first inner cavity is matched with one end of the mobile phone lens, the second inner cavity is matched with one end of a mobile phone external lens to be detected, the first inner cavity is communicated with the second inner cavity, the mobile phone lens and the mobile phone external lens are respectively connected with the connecting seat through the first inner cavity and the second inner cavity and are arranged in a coaxial line manner in opposite directions at two ends of the connecting seat, the mobile phone external lens is detachably connected with the connecting seat, and the;
the adapter ring is fixed on the outer side of a reticle of the projector, the inner cavity of the adapter ring is matched with the outer diameter of the connecting seat, the adapter ring is connected with the connecting seat in a matching mode, the connecting seat can be adjusted in a telescopic mode and is locked and installed in the adapter ring, so that the mobile phone lens and the mobile phone external lens are fixed on the outer side of the reticle, and the mobile phone lens, the mobile phone external lens and the mobile phone external lens are located on the same horizontal axis.
2. The projection detection jig for the external lens of the mobile phone according to claim 1, further comprising a locking ring fixed in an inner cavity of the adapter ring to fasten the connecting seat.
3. The projection detection jig for the externally hung lens of the mobile phone according to claim 2, wherein the adapter ring is in threaded connection with the locking ring.
4. The projection detection tool for the external lens of the mobile phone according to any one of claims 1 to 3, wherein the connecting seat is connected with the adapter ring through a fine thread.
5. The projection detection tool for the external lens of the mobile phone according to any one of claims 1 to 3, wherein the external lens of the mobile phone is in threaded connection with the connecting seat.
6. The projection detection tool for the external lens of the mobile phone according to any one of claims 1 to 3, wherein the mobile phone lens is connected with the connecting seat in an adhesive manner.
7. A method for projection detection of an external lens of a mobile phone by using the projection detection jig of any one of claims 1 to 6 is characterized by comprising the following steps:
s1, fixing the adapter ring on the outer side of the reticle of the projector;
s2, fixing the mobile phone lens in the first inner cavity of the connecting seat;
s3, mounting the connecting seat fixed with the mobile phone lens in the adapter ring, wherein the fixing position of the connecting seat is determined according to the focal length of the lens;
s4, installing the external lens of the mobile phone to be detected in the connecting seat, wherein the fixing position of the external lens of the mobile phone is determined according to the focal length of the lens;
and S5, detecting the line pair projected by the mobile phone add-on lens, and taking out the mobile phone add-on lens after the detection is finished for the next detection.
8. The method according to claim 7, wherein before the step S4, the method further comprises the steps of: and a locking ring is arranged in the adapter ring to fasten the connecting seat.
9. The method of claim 7 or 8, wherein a fine thread connection is used between the connection block and the adapter ring.
10. The method according to claim 7 or 8, wherein the external lens of the mobile phone is in threaded connection with the connecting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811250621.XA CN109211535B (en) | 2018-10-25 | 2018-10-25 | Projection detection jig and projection detection method for external lens of mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811250621.XA CN109211535B (en) | 2018-10-25 | 2018-10-25 | Projection detection jig and projection detection method for external lens of mobile phone |
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| Publication Number | Publication Date |
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| CN109211535A CN109211535A (en) | 2019-01-15 |
| CN109211535B true CN109211535B (en) | 2020-07-28 |
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| CN110568704A (en) * | 2019-09-02 | 2019-12-13 | 歌尔股份有限公司 | Ultra-short-focus lens detection system and detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH10210329A (en) * | 1997-01-22 | 1998-08-07 | Yoshiro Nakamatsu | Visual object recording device and virtual image device |
| WO2011163493A2 (en) * | 2010-06-23 | 2011-12-29 | Envirosight Llc | Imaging device with focused illumination |
| CN103728121B (en) * | 2013-12-30 | 2015-12-02 | 福州锐景达光电科技有限公司 | Multifunctional optical lens parameters detecting instrument and detection method thereof |
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