CN2932440Y

CN2932440Y - Camera lens module testing clamp

Info

Publication number: CN2932440Y
Application number: CN200620017814.7U
Authority: CN
Inventors: 徐斌; 杨红; 靳文
Original assignee: BYD Co Ltd
Current assignee: Shenzhen Holitech Optoelectronics Co Ltd
Priority date: 2006-08-17
Filing date: 2006-08-17
Publication date: 2007-08-08
Anticipated expiration: 2016-08-17

Abstract

A shot mould train detecting fixture for CMOS computer-assisted makeup characterized in that comprising a fixture seat, a test board fixed on the fixture seat, a photosensitive and signal processing mould train of the CMOS computer-assisted makeup and a shot mould train spacing module, wherein the test board is connected with the photosensitive and signal processing mould train of the CMOS computer-assisted makeup, the shot mould train spacing module is provided with a shot mould train locating hole which aims at the central position of the photosensitive chip on the CMOS computer-assisted makeup photosensitive and signal processing mould train. Comparing with the existing technique, the utility model has the following advantages: 1, high efficiency of the detecting shot mould train, low work hour (10 s), small intensity of using eyes with workers and long time operation; 2, exact imperfect judgment, convenient to establish detecting standard and can accomplish highly effective and exact detecting effect; 3, testing and conversion between each format of lens are agile, only need to replace the shot spacing module in accordance with the external dimension of the shot mould train.

Description

The camera lens module of camera detects anchor clamps

[technical field]

The utility model relates to the especially camera lens module detection anchor clamps of CMOS (complementary metal oxide semiconductor (CMOS)) camera of a kind of camera.

[background technology]

The big step of present living standard improves, the science and technology develop rapidly, the challenge stage that the IT industry is just being reached the decisive stage, people have also had higher understanding to the demand of this respect, so the IT industry also is that Product Renewal is the fastest, technology content is the highest, in order to adapt to market and consumer demand, various daily electronic products, high-end consumer electronics is to emerge in an endless stream, and has improved operating efficiency, quality of the life of people or the like greatly.

As the part of IT product, the demand of image sensing module is also constantly soaring, for example: in the fields such as Aero-Space, medical treatment, civilian citation extensive application is arranged all.The appearance of CMOS camera has not only solved the collecting work of Various types of data and image, also satisfied the market demand in time, simultaneously also improved popular material and spiritual life level, just because of the support of this product is arranged, it is excellent that our world just more seems.

The principle of the imaging of CMOS camera is the imaging transfer process of light-electrical-optical just, and its realization needs some drive systems to finish.Generally speaking, the CMOS camera comprises camera lens module and sensitization and signal Processing module two large divisions.When producing the CMOS camera, because of photosensitive area high to the susceptibility of grit, so that it is just harsh more to environment requirement, though the production environment in the industry, starting material, auxiliary material have all reached a very high cleanliness factor requirement, but in the process of actual production, still can produce the grit phenomenon of certain ratio, when drive software by camera, when computer monitor shows, stain will appear, dirty point, phenomenon such as dirty, so the image of shooting will be equipped with stain in corresponding positions, dirty point, dirty appearance, cause the picture quality variation, in the field of semiconductor packages, the encapsulation of CMOS camera is a kind of more special packaged type, in view of the high precision of its sensitive chip, hypersensitivity to grit, so for its package assembling, as LENS (camera lens module), Holder (installation module), IC (signal Processing module) etc. have the technological requirement of high standard and high-cleanness, high.

Yet directly influence still grit and the dirty intrusion of CMOS camera image quality, so the cleanliness factor of camera lens module will directly have influence on the yield of product, reason in view of the above, in order to improve the straight-through yield of product, when having improved sensitization wafer and packaging technology, whether the camera lens module can meet the requirements of cleanliness factor is another key point, if can come the cleanliness factor of inspectoscope head mould group by the mode that detects, the yield of that CMOS encapsulation not only can improve, and the hidden danger of product function is less.How to judge whether the camera lens module has grit and grit is much or what can cause the product imaging function to be affected, just become technical matters anxious to be solved.

In view of above problem, the mode that prior art adopts is by inspecting by random samples with Stereo microscope behind the purifying and dedusting, following risk can appear in the camera lens after such check system is handled: 1) during microscopic examination optical filter surface appearance, because LENS, the combined system optical characteristics complexity of IR (infrared filter) and COMS sensitive chip, the standard that causes judging the grit size that influences final imaging effect can't be formulated, be difficult to directly provide the standard of grit size check, be not easy to character surveillance; 2) efficient of this detection mode is lower, if with the gimmick of sampling observation when testing, the risk that the camera lens module uses is bigger; 3) inspectoscope head mould group man-hour many (40s) of being consumed, the checker is big with eye intensity, and tired easily, efficient is very low; 4) this check system False Rate is higher, singularity because of optical imagery, the employee uses microscopical skill level and skill correctness, and various differences such as grit size, shape, color, transparency all can directly influence the quality of final imaging image, so the effect of check is not high.

The camera of other types also has similar problem.

[utility model content]

The purpose of this utility model is to provide a kind of and judges that efficiently and accurately the camera lens module of the camera of camera lens module contamination level detects anchor clamps.

The purpose of this utility model is achieved in that a kind of camera lens module of camera detects anchor clamps, is characterized in that: comprise clamping fixture seat and be installed on the test board on the clamping fixture seat, sensitization and the signal Processing module and the spacing module of camera lens module of camera; Described test board links to each other with the sensitization and the signal Processing module of camera, and camera lens module pilot hole is arranged on the spacing module of camera lens module, the center of the sensitization of described camera lens module pilot hole aligning camera and the sensitization wafer of signal Processing module.

In a preferred embodiment of the present utility model, also comprise following feature:

Test board also comprises the sensitization and the signal Processing module socket of signal row pin, camera, and described signal connects row's pin and is welded on the test board, and has end signal row pin to be exposed to outside the plate, to be connectedly goes out signal; The sensitization of camera and signal Processing module socket also are welded on the test board.

The signal connection end of the sensitization of camera and signal Processing module is inserted in the sensitization and signal Processing module socket of camera of test board.

The test board locating slot is arranged on the clamping fixture seat, and described test board is positioned in the test board locating slot.

Also have at least one test pressing plate on the clamping fixture seat, be individually fixed in the one or both sides of test board.

The sensitization and the signal Processing module locating slot that also have camera on the clamping fixture seat, the sensitization of described camera and signal Processing module are packed in the sensitization and signal Processing module locating slot of camera.

The spacing module of camera lens is with common two-sided being adhesive on the clamping fixture seat.

Compared with prior art, the utility model has following advantage:

1: the efficient height of detector lens module, in man-hour low (10s), operator is little with the intensity of eye, can long working.

2: bad accuracy of judgement, examination criteria is formulated convenient, reaches the detection effect of efficiently and accurately.

3: the camera lens intermittent gauging preliminary operation of all size changes flexibly, only need change the spacing module of camera lens according to camera lens module physical dimension.

[description of drawings]

Fig. 1 is the utility model exploded view.

Fig. 2 is a stereographic map of the present utility model.

[embodiment]

See also Fig. 1 to Fig. 2, present embodiment CMOS cam lens module detects anchor clamps, comprises sensitization and signal Processing module socket 7, test pressing plate 3, test pressing plate 4 and the spacing module 2 of camera lens module of the sensitization of clamping fixture seat 1, test board 6, signal row pin 5, CMOS camera and signal Processing module 8, CMOS camera.The sensitization and the signal Processing module locating slot 11 of test board locating slot 10 and CMOS camera are arranged on the clamping fixture seat, on the spacing module 2 of camera lens module camera lens module pilot hole 12 is arranged.

Signal connects row's pin 5 and is welded on the test board 6, and has end signal row pin to be exposed to outside the plate, to be connectedly goes out signal; The sensitization of CMOS camera and signal Processing module socket 7 are welded on the test board 6 equally.Just form the test board signal after the sensitization of signal connection row's pin 5 and CMOS camera and signal Processing module socket 7 are welded on the test board 6 and transmit total module, then the total module of test board signal is positioned in the test board locating slot 10.

After signal transmits in the locating slot 10 that total module is positioned over clamping fixture seat 1, be individually fixed in the both sides of test board 6 by gib screw with pressing plate 3 and pressing plate 4, be positioned on the clamping fixture seat 1, then the sensitization of CMOS camera and the link of signal Processing module 8 are inserted in the socket 7, the have good positioning sensitization and the signal Processing module of CMOS camera, at last with the camera lens module installation site of the spacing module 2 corresponding CMOS cameras of camera lens to good position, corresponding hole, commonly be bonded on the clamping fixture seat 1 with double faced adhesive tape.

The camera lens module pilot hole 12 that has had spacing module 2 of camera lens and module to open cooperates, camera lens is in the process of alternately testing, sensitization and 8 fixed gold threads of nation of signal Processing module that can bump disconnected CMOS camera because the camera lens placement location is inaccurate do not cause test function to realize, thereby there has been the spacing module 2 of camera lens to reduce the sensitization of CMOS camera and the frequency that signal Processing module 8 damages, has been convenient to use repeatedly.

The operating process of the utility model anchor clamps CMOS cam lens module test fixture is as follows:

1: at first, the spacing module 2 of camera lens is taken off by the signal access test computer of signal row pin 5 with this CMOS cam lens module test fixture;

2: the sensitization of the CMOS camera of packing into and signal Processing module 8, then the signal connection end of the sensitization of CMOS camera and signal Processing module 8 is inserted in the sensitization and signal Processing module socket 7 of CMOS camera of test board, and determine to be in place, in the sensitization of the CMOS camera of packing into and the signal Processing module locating slot 11;

3: again with the camera lens module pilot hole 12 (hole bit position) in the middle of the spacing module 2 of camera lens, aim at the sensitization of CMOS camera and the middle position (center of sensitization wafer) of signal Processing module 8, corresponding four limits all coincide and are as the criterion, and cling gluing under the prerequisite of double faced adhesive tape;

4: the camera lens module 9 usefulness tweezers that will need then to detect clip, and in the camera lens module pilot hole 12 of the spacing module 2 of the camera lens of packing into, lay smoothly, confirm to put in place;

5: start the test procedure of test computer, show the situation of camera imaging by computer, thereby judge camera lens by dirty degree, by test stone, by process 4 gripping repeatedly, observation is confirmed, is taken out cycle operation.

In the utility model, can be inconsistent according to the camera lens profile of being tested, replace the spacing module 2 of camera lens, change flexibly, simple to operate, be fit to the detection of any style camera lens module.

Claims

1, a kind of camera lens module of camera detects anchor clamps, it is characterized in that: comprise clamping fixture seat (1) and be installed on the test board (6) on the clamping fixture seat (1), sensitization and the signal Processing module (8) and the spacing module of camera lens module (2) of camera; Described test board (6) links to each other with the sensitization and the signal Processing module (8) of camera, camera lens module pilot hole (12) is arranged, the center of the sensitization of described camera lens module pilot hole (12) aligning camera and the sensitization wafer of signal Processing module (8) on the spacing module of camera lens module (2).

2, the camera lens module of camera as claimed in claim 1 detects anchor clamps, it is characterized in that: the sensitization and the signal Processing module socket (7) that also comprise signal row pin (5), camera, described signal connects row's pin (5) and is welded on the test board (6), and have end signal row pin to be exposed to outside the plate, to be connectedly go out signal; The sensitization of camera and signal Processing module socket (7) also are welded on the test board (6).

3, the camera lens module of camera as claimed in claim 2 detects anchor clamps, it is characterized in that: the signal connection end of the sensitization of camera and signal Processing module (8) is inserted in the sensitization and signal Processing module socket (7) of camera of test board.

4, the camera lens module of camera as claimed in claim 1 or 2 detects anchor clamps, and it is characterized in that: test board locating slot (10) is arranged on the clamping fixture seat (1), and described test board (6) is positioned in the test board locating slot (10).

5, the camera lens module of camera as claimed in claim 4 detects anchor clamps, it is characterized in that: clamping fixture seat (1) is gone up also has at least one test pressing plate (3,4), is fixed in the one or both sides of test board (6).

6, the camera lens module of camera as claimed in claim 1 or 2 detects anchor clamps, it is characterized in that: clamping fixture seat (1) go up to also have the sensitization and the signal Processing module locating slot (11) of camera, and the sensitization of described camera and signal Processing module (8) are packed in the sensitization and signal Processing module locating slot (11) of camera.

7, the camera lens module of camera as claimed in claim 1 or 2 detects anchor clamps, it is characterized in that: the spacing module of camera lens (2) is with common two-sided being adhesive on the clamping fixture seat (1).