CN207460398U - For the test fixture of testing lens parsing power - Google Patents

For the test fixture of testing lens parsing power Download PDF

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Publication number
CN207460398U
CN207460398U CN201721618039.5U CN201721618039U CN207460398U CN 207460398 U CN207460398 U CN 207460398U CN 201721618039 U CN201721618039 U CN 201721618039U CN 207460398 U CN207460398 U CN 207460398U
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parallel light
locating rack
light tube
test fixture
product
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CN201721618039.5U
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李波
王永刚
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Goertek Optical Technology Co Ltd
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Goertek Techology Co Ltd
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Abstract

The utility model discloses a kind of test fixture for testing lens parsing power, including locating rack, plummer and parallel light tube;The locating rack includes more, and is arc-shaped, and the locating rack is erect, and top is bonded together, and encompasses one week, and the angle between adjacent two locating racks is equal;The plummer is located at the more locating racks around the centre position of the inner space surrounded, for carrying product to be tested;The parallel light tube is mounted on by detent mechanism on the locating rack respectively including multiple;The light-emitting window of multiple parallel light tubes is directed at the position that trial product to be measured is placed on plummer always, and each parallel light tube is built-in with for the graph card of testing lens parsing power.The test fixture of the utility model is small, test data accuracy is high, can meet different product to the field of view angle of graph card and the different marks for requiring, realizing test fixture of measuring distance.

Description

For the test fixture of testing lens parsing power
Technical field
The utility model belongs to test fixture technical field, is to be related to one kind to be used to test full-view camera specifically The test fixture of the parsing power of class product and fish eye lens class product.
Background technology
With the fast development of camera technique, more and more for the product taking pictures and image, particularly 360 degree of panoramas are taken the photograph As head class product and fish eye lens class product are even more by concern.At present, for full-view camera class product and fish eye lens class Product, is tested in production line test, it is necessary to parse power to it, and test method is:Referred to by computer to product transmission Order, the shooting of control product is for the specific graph card of test parsing power, the parsing power then taken using tailor-made algorithm to product Graph card is analyzed and handled, and then generates the judging result of product parsing power quality.
, it is necessary to using survey during parsing power test is carried out to full-view camera class product and fish eye lens class product Trial work dress provides photographed scene for product, so that card is tried hard in the parsing that product can take different azimuth.Fig. 1 is existing test The structure diagram of frock, including chief components such as frame 1, plummer 2, face lamp plate 3, graph cards 4.Wherein, frame 1 surrounds Plummer 2 is set, and is equipped with five groups of face lamp plates 3 and graph card 4 thereon, respectively four positioned at the top of plummer 2 and all around A orientation, and a pictures 4 are attached on a face lamp plate 3.Product 5 to be tested is placed on plummer 2, five groups of face lamps Plate 3 and graph card 4 and the product 5 on plummer 2 are equidistant.Test fixture is placed in a dark surrounds, face lamp plate 3 is opened and illuminates figure Then card 4 controls product 5 to shoot graph card, and then utilizes the parsing power of the graphical analysis trial product 5 to be measured taken.
Parsing power test is carried out to product using test fixture shown in FIG. 1, there are following tripartite's planar defects:
(1)In terms of volume:Since the measuring distance between product and graph card is using actual range, when test work When needing to set multiple graph cards in dress, entire test fixture can be caused oversized, general 12m3Left and right, can not realize that one is more Machine operation;
(2)In terms of standardization:Since different products requires difference to the field of view angle and measuring distance of graph card, and it is existing Test fixture can not adjust field of view angle between graph card and product and measuring distance, it is necessary to customized development, therefore can not be real The standardization of existing test fixture;
(3)In terms of test data precision:Since panel light is when lighting, light dissipates around, therefore can shine Environment around bright product.And since graph card is an exposure to outside, five pictures are influenced by mutual light source, with respect to two Meeting catoptric imaging between pictures, and then the test data that product is caused to take is inaccurate, so as to affect judging result Accuracy.
The content of the invention
The purpose of this utility model is to provide a kind of test fixtures for testing lens parsing power, it is intended to solve existing Test fixture volume is big, catoptric imaging between graph card, can not realize the problem of standardization.
In order to solve the above technical problems, the utility model is achieved using following technical scheme:
A kind of test fixture for testing lens parsing power, including locating rack, plummer and parallel light tube;The positioning Frame includes more, and is arc-shaped, and the locating rack is erect, and top is bonded together, and encompasses one week, and adjacent two Angle between locating rack is equal;The plummer is located at interposition of the more locating racks around the inner space surrounded It puts, for carrying product to be tested;The parallel light tube is mounted on the locating rack by detent mechanism respectively including multiple On;The light-emitting window of multiple parallel light tubes is directed at the position that trial product to be measured is placed on plummer always, and each is parallel Light pipe is built-in with for the graph card of testing lens parsing power.
In order to realize the controllability of field of view angle, installation site of the detent mechanism on locating rack is adjustable, passes through Change installation site of the detent mechanism on locating rack to adjust angle of the parallel light tube compared with the trial product to be measured, then Change field of view angle of the trial product to be measured to the graph card.
For the ease of determining installation site of the parallel light tube on locating rack, formed preferably on the locating rack for true Determine the positioning tooth of detent mechanism installation site, the installation site of parallel light tube is indicated by positioning tooth, and improve detent mechanism and exist The firmness installed on locating rack.
Further, the locating rack shape described in more is identical, and has identical centre point, the trial product to be measured Placement position is located at the centre point, parallel when adjusting detent mechanism change parallel light tube in the installation site on locating rack The light-emitting window of light pipe is directed at the centre point always.
Preferably, the locating rack is preferably provided with four, and shape angle in 90 ° between adjacent two locating racks.
Further, the parallel light tube includes five, and one of parallel light tube connects mounted on four locating rack tops The position of conjunction, and straight down, four additional parallel light tube is separately mounted on the locating rack described in four.
In order to realize the controllability of measuring distance, the parallel light tube of focus adjustable is selected, by adjusting parallel light tube Focal length changes simulation test distance of the trial product to be measured to the graph card.
Further, control terminal is additionally provided in the test fixture, connects the parallel light tube and to be tested Product for the parallel light tube to be controlled to light or close, and controls trial product to be measured to shoot the graph card.
Compared with prior art, the advantages of the utility model and good effect is:The utility model uses and is built-in with graph card Parallel light tube traditional panel light is replaced to add the designing scheme of graph card, by the measuring distance between trial product to be measured and graph card by Actual range becomes simulated range, it is possible thereby to reduce the size of test fixture so that single multimachine operation is possibly realized, and is saved Test manpower.Meanwhile graph card is built in parallel light tube, can to avoid catoptric imaging between two opposite graph cards, from And improve the accuracy of test data.In addition, by the way that parallel light tube is adjustably mounted on arc-shaped locating rack, by This can easily change field of view angle of the trial product to be measured to graph card so that different trial products to be measured can share a set of survey Trial work fills, it is thus achieved that the standardized designs of test fixture.
After the detailed description of the utility model embodiment is read in conjunction with the figure, other features and advantages of the utility model It will become clearer.
Description of the drawings
Fig. 1 is a kind of structure diagram of embodiment of existing test fixture;
Fig. 2 is a kind of structure of the embodiment for the test fixture for testing lens parsing power that the utility model is proposed Schematic diagram;
Fig. 3 is a kind of structure diagram of embodiment of the parallel light tube in Fig. 2.
Specific embodiment
Specific embodiment of the present utility model is described in more detail below in conjunction with the accompanying drawings.
As shown in Fig. 2, the present embodiment parses the test fixture of power mainly by locating rack 10, parallel light tube for testing lens 20th, the part such as detent mechanism 30, plummer 40 forms.Wherein, locating rack 10 is used to support and fixes the parallel light tube 20, bag More are included, and is designed to arc-shaped.Each locating rack 10 is vertically arranged, and the top of each locating rack 10 is bonded on one It rises, bottom lands as leg.Each locating rack 10 is preferably designed to identical shape by the present embodiment, and is equally spaced around enclosing Cheng Yizhou is laid, and is formed flat spherical.Distinguish built-in one in each parallel light tube 20 to parse for testing lens Then parallel light tube 20 is mounted on by detent mechanism 30 on the locating rack 10 by the graph card of power.The present embodiment is preferably every One parallel light tube 20 is installed respectively on a piece locating rack 10, and can be in the top junction 11 of each locating rack 10 One parallel light tube 20 is installed again.Design the inner space that the light-emitting window of each parallel light tube 20 is surrounded towards locating rack 10 Centre position, be preferably directed towards the sphere center position of diameter of Spherical Volume, and full-view camera or fish-eye product will be equipped with 60(Trial product 60 to be measured)The sphere center position is positioned over, to meet photographing request of the product 60 to different directions graph card.This reality Example design plummer 40 is applied to put the trial product to be measured 60.It is empty that plummer 40 is arranged on the inside that locating rack 10 surrounded Between, the top surface carrying trial product to be measured 60, the height of the top surface of adjusting plummer 40, so that trial product to be measured 60 is located at The centre position for the inner space that the locating rack 10 is surrounded is preferably placed at the centre of sphere for the diameter of Spherical Volume that locating rack 10 is surrounded Position.
The present embodiment is in test fixture, the arc-shaped locating rack 10 and five directional lights of four same shapes of preferred design Pipe 20, as shown in Figure 2.Four locating racks 10 are equidistantly laid, i.e., shape angle in 90 ° between two neighboring locating rack 10;By its In four parallel light tubes 20 be mounted on correspondingly on four locating racks 10, the 5th parallel light tube 20 is lifted on four positioning The top junction 11 of frame 10, and light-emitting window is straight down.The present embodiment is pacified parallel light tube 20 by detent mechanism 30,50 On locating rack 10.In order to realize freely adjusting for field of view angle, the present embodiment designs the detent mechanism 30 in locating rack Installation site on 10 is adjustable, and adjustable knot can be both designed to for the detent mechanism 50 for installing the 5th parallel light tube 20 Structure, the i.e. structure design identical with 30 use of detent mechanism of installation four additional parallel light tube 20, can also be designed to fix Formula structure, since the 5th parallel light tube 20 need not change its installation site during test fixture use, can incite somebody to action The detent mechanism 30 for installing the 5th parallel light tube 20 is designed to stationary structure.
In order to improve the fastness that detent mechanism 30 is installed on locating rack 10, the present embodiment shape preferably on locating rack 10 Saw-toothed positioning tooth(It is not shown in figure), for example, the positioning tooth is formed in the inside of locating rack 10, to prevent fastening position Mechanism 30 causes 30 relative positioning frame 10 of detent mechanism downslide occur and asks due to gravity after parallel light tube 20 is mounted with Topic, then ensures reliable location of the parallel light tube 20 on locating rack 10.In addition, in order to make the positioning tooth with instruction The effect of setting height(from bottom) of the parallel light tube 20 on locating rack 10, the present embodiment design the positioning tooth on each locating rack 10 Start-stop position is identical with tooth pitch, so when adjusting parallel light tube 20 in the installation site on locating rack 10, passes through several teeth Four parallel light tubes 20 are easily and accurately fixed on to the identical height of locating rack 10.Four parallel light tubes 20 are being adjusted fixed During installation site on the frame 10 of position, tangential direction of four parallel light tubes 20 of design always with arc-shaped locating rack 10 is hung down Directly, i.e. the centre point of arc-shaped locating rack 10 is directed toward always, since four locating racks 10 have identical centre point, It adjusts detent mechanism 30 and changes parallel light tube 20 in the installation site on locating rack 10, it is ensured that four parallel light tubes 20 Light-emitting window is directed at same point always.The light-emitting window for adjusting the 5th parallel light tube 20 is also directed at the centre point, and will treat Test product 60 is placed in the centre point position, and thus one, by adjusting four parallel light tubes 20 on four locating racks 10 Installation site, you can change field of view angle of the trial product 60 to be measured to graph card so that a set of test fixture can meet difference Product is to the test request of different field of view angle.
Different measuring distances is provided for different products in order to enable the test fixture of the present embodiment, and then realizes and surveys The standardized designs of trial work dress, the present embodiment select the parallel light tube 20 of focus adjustable in test fixture, as shown in Figure 3. Button 21 and display screen 22 are provided on the parallel light tube 20, the lens in parallel light tube 20 are changed by operation button 21 Position, and then the image-forming range of graph card is adjusted, realize analog regulation of the trial product 60 to be measured to the measuring distance of graph card.It will be parallel The focus adjustment parameter of light pipe 20 is shown on display screen 22, can it is more convenient, intuitively adjust test product 60 it is preceding, Afterwards, to the simulation test distance of graph card on left and right, upper five directions.
The present embodiment since the measuring distance between trial product 60 to be measured and graph card is become simulated range from actual range, Therefore the overall dimensions of test fixture can be substantially reduced, it is demonstrated experimentally that the test fixture designed using this embodiment scheme, Overall dimensions can be by the 12m of traditional design3It is reduced to 1.2m3, test fixture is pushed and returned to it is possible thereby to effectively save The time of nominative testing position, while more to test at a distance.
Graph card is built in the cylinder of parallel light tube 20 by the present embodiment, due to the light edge emitted by parallel light tube 20 Straightline propagation, when carrying out the parsing power test of camera lens under the test fixture of the present embodiment to be positioned over to dark surrounds, by flat The light that row light pipe 20 emits only illuminates the environment of surrounding, it is possible to prevente effectively from being in asking for picture between opposite two graph cards Topic, so as to improve the accuracy of test data.
The parallel light tube 20 of the present embodiment can be connected to control terminal by cable(It is not shown in figure), pass through control Terminal control parallel light tube 20 is lighted or closed, and each parallel light tube 20 can also be controlled to open or close one by one manually, this Embodiment is to this without concrete restriction.
For trial product 60 to be measured, the control terminal can also be connected to by cable(Such as PC), by controlling eventually Card is tried hard in the control shooting of trial product 60 parsing to be measured in end, for the test of camera lens parsing power.
The test fixture of the present embodiment compares traditional designing scheme, in terms of volume, in terms of standardization and measurement data It all improves significantly and is promoted in terms of precision, can be adapted for various full-view camera class products and fish eye lens class product Parsing power test assignment in, have good versatility.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above, The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model, It should also belong to the protection scope of the utility model.

Claims (8)

1. a kind of test fixture for testing lens parsing power, which is characterized in that including:
Locating rack including more, and is arc-shaped, and the locating rack is erect, and top is bonded together, and encompasses one Week, and the angle between adjacent two locating racks is equal;
Plummer is located at the more locating racks around the centre position of the inner space surrounded, to be tested for carrying Product;
Parallel light tube including multiple, is mounted on by detent mechanism on the locating rack respectively;Multiple parallel light tubes Light-emitting window is directed at the position that trial product to be measured is placed on plummer always, and each parallel light tube is built-in with for test mirrors The graph card of header parsing power.
2. the test fixture according to claim 1 for testing lens parsing power, which is characterized in that the detent mechanism Installation site on locating rack is adjustable, and parallel light tube phase is adjusted by changing installation site of the detent mechanism on locating rack For the angle of the trial product to be measured, then change field of view angle of the trial product to be measured to the graph card.
3. the test fixture according to claim 2 for testing lens parsing power, which is characterized in that in the locating rack On be formed with to determine the positioning tooth of detent mechanism installation site.
4. the test fixture according to claim 2 for testing lens parsing power, which is characterized in that determine described in more Position frame shape is identical, and with identical centre point, the placement position of the trial product to be measured is located at the centre point, is adjusting Detent mechanism changes parallel light tube in the installation site on locating rack, and the light-emitting window of parallel light tube is directed at the center of circle always Point.
5. the test fixture according to claim 4 for testing lens parsing power, which is characterized in that the locating rack bag Include four, and shape angle in 90 ° between adjacent two locating racks.
6. the test fixture according to claim 5 for testing lens parsing power, which is characterized in that the parallel light tube Including five, one of parallel light tube is mounted on the position of four locating rack top engagements, and straight down, four additional is put down Row light pipe is separately mounted on the locating rack described in four.
7. the test fixture according to any one of claim 1 to 6 for testing lens parsing power, which is characterized in that The focus adjustable of the parallel light tube changes simulation of the trial product to be measured to the graph card by adjusting the focal length of parallel light tube Measuring distance.
8. the test fixture according to claim 7 for testing lens parsing power, which is characterized in that further include control eventually End connects the parallel light tube and trial product to be measured, for the parallel light tube to be controlled to light or close, and controls to be tested Product shoots the graph card.
CN201721618039.5U 2017-11-28 2017-11-28 For the test fixture of testing lens parsing power Active CN207460398U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110967844A (en) * 2019-12-30 2020-04-07 东莞东聚电子电讯制品有限公司 Spherical optical alignment mechanism
CN113301328A (en) * 2021-05-21 2021-08-24 上海研鼎信息技术有限公司 Camera testing device
CN114594611A (en) * 2020-12-03 2022-06-07 余姚舜宇智能光学技术有限公司 Active calibration device and method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110967844A (en) * 2019-12-30 2020-04-07 东莞东聚电子电讯制品有限公司 Spherical optical alignment mechanism
CN114594611A (en) * 2020-12-03 2022-06-07 余姚舜宇智能光学技术有限公司 Active calibration device and method thereof
CN114594611B (en) * 2020-12-03 2024-03-22 余姚舜宇智能光学技术有限公司 Active calibration device and method thereof
CN113301328A (en) * 2021-05-21 2021-08-24 上海研鼎信息技术有限公司 Camera testing device
CN113301328B (en) * 2021-05-21 2023-02-28 上海研鼎信息技术有限公司 Camera testing device

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Effective date of registration: 20201014

Address after: 261031 north of Yuqing street, east of Dongming Road, high tech Zone, Weifang City, Shandong Province (Room 502, Geer electronic office building)

Patentee after: GoerTek Optical Technology Co.,Ltd.

Address before: 266104 Laoshan Qingdao District North House Street investment service center room, Room 308, Shandong

Patentee before: GOERTEK TECHNOLOGY Co.,Ltd.