TWM241642U - Optical lens testing apparatus - Google Patents

Description

M241642

[Technical field to which the new type belongs] The present invention relates to an optical lens test device, especially an optical lens that is used by a talented person to measure a digital camera or a color mobile phone with a photographic function, etc., as an optical lens for quality control inspection. Test device. [Prior art] As shown in the first figure, it is a conventional optical lens test device. It is not intended to be a plane; the optical lens test device 丨 a is mainly a light source group 1 Oa to provide the desired optical detection The test stripe pattern required by the lens is used in conjunction with a computer system 2a to control a Charge Coupled Device (CCD) or Complementary Metal Oxide Semiconductor (CM〇s) for signal access. In order to measure the parameters of the image quality of the optical lens, and then use the software program in the computer system 2a to calculate the measured parameter values, in order to present the inspection effect on the screen as a waveform chart, so as to understand the optical The image quality of the lens.

Please refer to the second figure together. The above-mentioned optical lens 3 & is placed on the bearing mechanism of the optical lens testing device la. The bearing mechanism 丨 la mainly includes a testing platform that can be moved up and down.丨 〇a and a motor 111 & which controls the test platform 1103 for fine-tuning movement by a lead screw 1128, the motor 111a is a machine that can be set on the optical lens test device la through a bearing base 1 1a The housing 13a is provided with two sliding guide rods 11 4 a extending vertically parallel to the bottom surface of the bearing base U3a. The two sliding guide rods 丨 4a can maintain the smoothness of the test platform 11 0 a during fine-tuning movement. In addition, a stepped groove 5a on which the optical lens 3a rests flatly is opened on the test platform 丨 丨 〇 &

Page 5 M241642 V. Creation Instructions (2) '115a The bell space at the bottom corresponds to an image capturing module 2a. The image capturing module 12a can be the above-mentioned charge coupling element or complementary metal oxide semiconductor, and assembled in a The base 1 4 a is used to convert the light-dark interval light signals generated by the light source module 10a through the optical lens 3a into electrical signals of different heights, so as to detect the image quality of the optical lens 3a. . In addition, as shown in the second figure, when the above-mentioned optical lens test device 丨 a is used for detection by the optical lens 3a, since the image of the optical lens 3a will appear at the back focal distance, the test platform 1 must be controlled by the motor 111a 10a makes fine adjustment movements up and down to adjust the distance D between the optical lens 3a and the image capturing module 12a. __ But 'because the groove of the test platform 1 1 〇a 丨 5 a must have a thickness of ^ near the bottom T' so that the optical lens 3 a can be supported by the test platform 11 〇a, 'however' when the optical When the distance d between the lens 3 a and the image capturing module 丨 2 a is nearly equal to or even smaller than this thickness T, the focal length of the image generated by the optical lens 3 a will not be able to fall on the image capturing module 1 due to the obstacle of the thickness T. On 2a, the optical lens 3a is detected by the f method. In particular, at present, technology products such as color mobile phones with f-shadow functions have been introduced in the market, and the optical lenses used in these mobile phones are smaller than the optical lenses generally used in digital cameras, so the focal length is more Short, usually between 1 · 5mm ~ 2 · 〇mni, so it is impossible to detect these short focal length optical lenses with the existing model architecture. From the above, it can be known from the above that the conventional optical lens test device described above obviously has inconvenience and deficiency in practical use, and can be modified. σ

M241642 V. Creation Instructions (3) The reason is that the author felt that the above-mentioned shortcomings could be improved. He devoted himself to studying and cooperating with the application of theories, and finally proposed a rational design and effective improvement of the above-mentioned original creations. [New content] The main purpose of this creation is to provide an optical lens test device, which is an arrangement with the imaging module of the optical lens on the top and the optical lens on the bottom, so that the optical lens and the imaging module are arranged. The distance can be adjusted without being affected by the thickness of the groove of the test platform, thereby solving the problem that the optical lens with a short back focal length could not be detected in the past, and it can also have the effect of blocking dust. _ In order to achieve the above purpose, this creation is to provide an optical lens whisker device, which is used to detect the image quality of the optical lens, including a light source module and a test platform; where the light source module is the original The lower part is to provide the wisdom needed to detect the optical lens :, and Ϊ ΪNear :: ίThe platform is located between the imaging module and the light source module ## It is close to the imaging module The lower part is used for upper and lower testing; so as to achieve the above purpose. Bay reviewers can go further

The technical content of Ma Shiji, please read the ancient ν to explain the characteristics of this creation and the drawings are provided for reference only, === Ming and drawings, but the limiter. Asian and African Moons are used to add to this work. Please refer to the third and fourth pictures. This is a kind of pre-drying lens tester. It is used to test the image quality of the optical M241642. (4) Lens 3, and it can also be used for optical lenses with back focal length between L5mm ~ 2.0 mm. 3. This optical lens test device! It mainly includes an image capturing module 1, 2, a light source module 10, and a test platform 11; of which: the image capturing module 12 can be a Charge Coupled Device (CCD) or a complementary metal oxide semiconductor (C〇mpiementary Metal Oxide Semiconductor, CMOS), and is arranged on a carrier mechanism 1 1; the carrier mechanism 1 1 mainly includes a bearing platform 1 4 which can be finely moved up and down, and a lead screw 1 丨 2 The motor 11 1 that controls the platform 14 for fine adjustment movement, and the image capturing module 12 is disposed at the bottom surface of the platform 14 and faces the optical lens 3 opposite to it. The motor 11 1 of the bearing mechanism 11 can be a stepping motor and is arranged on a bearing seat 1 1 3, and the bearing seat 丨 3 is locked in the housing 13 of the optical lens testing device, so as to provide The motors 1 and 11 are supported and the supporting mechanism 11 can be fixed at the upper part of the casing 13; in addition, the bottom surface of the supporting base 113 is provided with two sliding guide rods 11 4 extending vertically downward and in parallel, The two sliding guide rods 11 4 respectively move through the left and right sides of the platform 丨 4 to maintain the stability of the platform 14 during fine-tuning movement, and can accurately calculate the bearing through a computer system 2 The distance to be moved when the stage 14 is fine-tuned up and down, and at the same time, the motor 111 is controlled to perform the action, so that the focal length of the image generated by the optical lens 3 falls on the image capturing module 丨 2. The light source module 10 is lower than the above-mentioned image capturing module 丨 2, that is, the lower part of the housing 13 is included, and includes a test target plate 100, a light softening plate 1 01, a light reflecting plate 1 〇2, a plurality of light sources 丨 〇3 and

3723, page 8 M241642 V. Creation instructions (5) = The controller 10 is composed of the light source 103, which is bright or not, to provide the test stripe pattern required for the inspection of the optical lens 3 mentioned above; The structure and composition of the optical module 10 are both ^ Λ, ^ ^, ^ ^ ^ ", the same self-knowledge technology, and not too broad to apply for patents, so it will not be repeated. The test platform 110 is mainly for the optical lens 3 to be placed on it to facilitate the detection action. The test platform UG is located between the image acquisition module 12 disk light source group 10 and is closer to the image acquisition. The lower part of the module 12 is fixed in the housing 13 of the optical lens test device for positioning, and the bearing base 11 3 of the load-bearing mechanism 11 is connected to the test platform. The upper and lower phases are moved by 2 The ends of 114 and the lead screw 12 extend vertically to the test ^ flat port 10 respectively. In this way, the holder 14 can be brought close to the test platform 1 10 surface by the control of the motor 丨 i. In this embodiment, the test platform 110 is provided with a stepped groove 15 on the opposite side of the image capturing module 12 for the optical lens 3 to rest on it. The bottom of the groove 115 is hollow. , So that the light source generated by the light source module 10 located below can be projected on the optical lens 3 through the groove 115. Therefore, with the above-mentioned structure, the original optical lens test device can be obtained. Accordingly, as shown in the fourth, fifth, and sixth figures, when the light source generated by the light source module 10 passes through the groove 丨 5 and is projected on the optical lens 3 (as shown in the sixth figure) The test platform 14 can be moved up and down by the control of the motor 1 丨 丄, so that the focal length of the image generated by the optical lens 3 can fall on the imaging module 12. At the same time, because of the creative system The imaging module 12 is arranged on the top and the optical lens 3 is arranged as below. Therefore, the optical lens 3 and the imaging are arranged.

I side

Page 9 M241642 V. Creation instructions (6)-ϊ 3 The distance adjustment between Ϊ and Ϊ is not subject to the groove 115 thickness of the test platform 110 = thickness = $ = two, so that the back focal length is shorter. The optical lens on the mobile phone of this type can also be measured as' of course, it can also be applied to the digital camera optical head in the past, and even more, because the imaging module 12 is oriented It is difficult to make dust fall on the top of the image-taking shirt a because of its detection quality. This also has the effect of blocking dust. No. 2: 2: 7 :: show 'This is the second embodiment of this creative use of the state to adjust the mover to move up and down because it is controlled by the motor 111, more two = this, in this creative, the test platform can The flat lining of the two moving optical lens 3 #movement of the transmission head 3 according to ^ Γ Ϊ using a conveying device such as a conveyor belt to the majority of optical mirrors under the self-image mode for its detection, so that work can be achieved. It is indeed possible to quickly detect a large number of optical lenses. It is indeed a rare new creative product. Its novelty and progressiveness are complete: = the lack of habitual knowledge. Submit an application with the law: Regards; The patents in this case are granted to protect the creator's constraints to create a feasible embodiment. Otherwise, the equivalent structure of the content is changed. "= 2 In the creation manual and drawings, shared with Chen Ming. = Ϋ́ 里 a Contained in the scope of this creation M241642 Brief description of the drawings [Simplified description of the drawings] The first diagram is a schematic plan view of a conventional optical lens test device. The second diagram is a plan schematic view of a supporting mechanism and a stand of the conventional optical lens test device. The third figure is a schematic plan view of the first embodiment of the present invention. The fourth figure is a plan schematic view of the bearing mechanism and the test platform of the first embodiment of the present invention. The fifth picture is the bearing mechanism and test of the first embodiment of the present invention. The side view of the platform. The sixth figure is a plan view of the use state of the first embodiment of the present invention. The seventh figure is the plan view of the use state of the second embodiment of the present invention. [Element Representative Symbols] < know > Optical lens test device la

Light source module 10a Bearing mechanism 11a Test platform 110a Motor 111a Lead screw 112a Bearing base 113a Sliding guide 114a Groove 115a Camera module 12a Case 13a Bearing platform 14a Page 11 M241642 Schematic description of computer system 2a Optics Lens 3a < This creation > Optical lens test device Light source module 10 Test target plate 100 Light soft plate 101 Light reflecting plate 102 Light source 103 Controller 104 Bearing mechanism 11 Motor 111 Lead screw 112 Bearing base 113 Sliding guide rod 114 Platform 14 Camera module 12 Chassis 13 Test platform 110 Test platform 110 Groove 115 Computer system 2 Optical lens 3

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Claims (1)

M241642 VI. Application for Patent Scope 1. An optical lens testing device, the image quality of i includes:,, used to detect optical lens-imaging module; light source module, the above 2 learning lenses relative to the imaging module The required test stripe pattern; & & 'to provide inspection clams # plus: a test platform, located at the imaging module and the light source module% tm ^ below the imaging module, and used to learn and = And on it for testing. You Yushuo is placed horizontally, f. The image capturing module in the optical lens described in item i of the patent application 'eight is an electric charge coupling element. , # 褒 置 3 The optical lens measurement as described in item 1 of the patent application scope, wherein the image capturing module is a complementary metal oxide semiconductor. Device 4. The optical lens according to item χ of the patent application scope, wherein the image capturing module is arranged on a bearing mechanism. $ Device 5. The optical lens test described in item 4 of the scope of the patent application, which further includes a casing, which is used for the test platform to be locked in a complex, and the = mechanism is fixed to the machine. The upper part of the casing is 4, and the light source module: is fixed at the lower part of the casing. The optical lens as described in item 4 of the scope of patent application, wherein the load-bearing mechanism includes a bearing platform and a motor controlled by a lead screw to control the two f's to move up and down, and the The image module is set at the bottom surface of the platform. 7. The optical lens testing device described in item 6 of the scope of patent application, wherein the motor is a stepping motor. Page 13 M241642 6. Scope of patent application 8. The optical lens test device described in item 6 of the scope of patent application, wherein the motor is arranged on a bearing base. 9. The optical lens testing device according to item 8 of the scope of the patent application, wherein the supporting base is opposite to the upper and lower sides of the testing platform, and the bottom surface of the supporting base is provided with two sliding guide rods extending vertically downward and parallel. The two sliding guide rods respectively move through the two sides of the bearing platform, and the ends of the two sliding guide rods and the ends of the lead screws extend vertically to the test platform, respectively. 10. The optical lens testing device as described in item 1 of the scope of patent application, wherein the light source module includes a test target plate, a light softening plate, a light reflecting plate, a plurality of light sources, and a device for controlling such The controller is composed of the light source is bright or not. 1 1. The optical lens testing device according to item 1 of the scope of the patent application, wherein the test platform is provided with a groove on the opposite side of the image capturing module for the optical lens to rest on, and The bottom of the groove is hollow. 1 2. The optical lens test device as described in item 1 of the scope of patent application, wherein the test platform is a conveying platform that can cyclically drive the optical lens to move. Page 14