TWI554749B - Method of integrated vibration detection and device thereof - Google Patents
Method of integrated vibration detection and device thereof Download PDFInfo
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- TWI554749B TWI554749B TW103126912A TW103126912A TWI554749B TW I554749 B TWI554749 B TW I554749B TW 103126912 A TW103126912 A TW 103126912A TW 103126912 A TW103126912 A TW 103126912A TW I554749 B TWI554749 B TW I554749B
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Description
本發明係關於一種整合性振動檢測裝置,尤指一種用於檢測鏡頭在振動測試中可即時檢測鏡片是否鬆動而導致光軸偏移之整合性振動檢測裝置。 The present invention relates to an integrated vibration detecting device, and more particularly to an integrated vibration detecting device for detecting whether a lens is instantaneously detected in a vibration test to cause looseness of an optical axis.
一般鏡頭於組裝時皆是將鏡片依序裝入鏡筒中,而在鏡頭組裝時為固定鏡片於鏡筒中之位置,常使用膠水來固定鏡片,但是常因鏡筒設計緣故,因此有時無法用膠水將鏡片牢固在鏡筒上因而導致鏡頭經過振動測試後鏡偏鬆脫而導致光軸偏移。而目前在檢測鏡片鬆動所引起之光軸偏移常須等到整個鏡頭組裝成攝影機之後才能進行檢測無法即時檢測鏡頭光軸是否因振動而產生鬆脫,如此一來當鏡片因組裝鬆動造成光軸偏移偏移會導致攝影機品質不良,導致整組攝影機須報廢,如此一來就形成組裝成本的偏高。 Generally, the lens is assembled into the lens barrel in order, and the lens is fixed in the lens barrel when the lens is assembled. The glue is often used to fix the lens, but often because of the lens tube design, sometimes it is impossible to use The glue secures the lens on the lens barrel, causing the lens to be loosened after the lens has been subjected to the vibration test, resulting in a shift in the optical axis. At present, the optical axis shift caused by detecting the looseness of the lens often has to wait until the entire lens is assembled into a camera before detecting. It is impossible to immediately detect whether the optical axis of the lens is loose due to vibration, so that the optical axis is caused by loose assembly. The offset offset will result in poor quality of the camera, which will cause the entire camera to be scrapped, which will result in higher assembly costs.
鑒於上述知習知之缺失,本發明之發明人提出一種解決上述無法即時檢測因鏡片鬆脫導致光軸偏移之振動檢測裝置,用以改進上述之缺失。 In view of the above-mentioned lack of knowledge, the inventors of the present invention have proposed a vibration detecting device which can not immediately detect the optical axis shift due to loose lens, and to improve the above-mentioned deficiency.
本發明之目的在提出一種整合性振動檢測裝置,該整合性振動檢測裝置包含有一檢測治具,該檢測治具裝設於一振動測試機台上;其中該檢測治具包含有至少一個鏡頭固定模組,該鏡頭固定模組用以裝設待測鏡頭;一檢測圖,該檢測圖至少包含一特徵圖形,該特徵圖形包括一十字標示圖或一解析度圖形;該檢測圖裝設於待測鏡頭一側用以反射穿射過待測鏡頭之光線;一影像成形單元,該影像成形單元裝設於檢測治具上相對於檢測圖之一側,該影像成形單元用以感應經由檢測圖所反射之光線所形成之比對圖形影像,其中該影像成形單元可以是電荷耦合元件(CCD)也可以是互補式金屬氧化物半導體(CMOS);一檢測機,該檢測機與檢測治具以傳輸線相連結,該檢測機用以檢測經由影像成形單元所形成之影像;一顯示單元,該顯示單元與檢測機以信號傳輸線相連接。 The object of the present invention is to provide an integrated vibration detecting device, comprising: a detecting fixture mounted on a vibration testing machine; wherein the detecting fixture comprises at least one lens fixing a module, the lens fixing module is configured to mount a lens to be tested; and a detection image, the detection image includes at least one feature graphic, the feature graphic includes a cross mark map or a resolution graph; The image forming unit is configured to reflect light passing through the lens to be tested; an image forming unit is disposed on one side of the detecting fixture relative to the detecting image, and the image forming unit is configured to sense the passing through the detecting image a contrast image formed by the reflected light, wherein the image forming unit may be a charge coupled device (CCD) or a complementary metal oxide semiconductor (CMOS); a detecting machine, the detecting device and the detecting fixture The transmission line is connected to the image, and the detector is configured to detect an image formed by the image forming unit; a display unit, the display unit and the detector are connected by a signal transmission line Access.
將該整合性振動檢測裝置至於工作桌或振動機台上,以手動或振動機台進行振動測試時,外部光線穿過待測鏡頭時,外部光線經由檢測圖反射至影像成形單元,影像成形單元將檢測圖所反射之光線轉換成影像輸出至檢測機,檢測機即時判讀檢測圖所形成之前後影像同時進行比對該前後影像,由該檢測機比對該影像成形單元輸出之不同時序之檢測圖影像,比對前後檢測圖影像之特徵圖形相對座標位置或影像解析度,當該特徵圖形之座標位置差異或解析度圖形之解析度超過所設定之閥 值時,則表示鏡片產生鬆脫,此時即發出警示訊號,而檢測機則將振動測試時之影像輸出至顯示螢幕顯示。 When the integrated vibration detecting device is placed on the working table or the vibrating machine table and is subjected to the vibration test by the manual or the vibrating machine, when the external light passes through the lens to be tested, the external light is reflected to the image forming unit through the detecting image, and the image forming unit The light reflected by the detection image is converted into an image output to the detecting machine, and the detecting machine immediately interprets the image formed before and after the detection image is simultaneously compared with the front and rear images, and the detecting device compares the different timings of the output of the image forming unit. Image, comparing the coordinate position of the feature image relative to the coordinate position or the image resolution before and after the image, when the coordinate position difference of the feature graphic or the resolution of the resolution graphic exceeds the set valve When the value is displayed, it indicates that the lens is loose, and then a warning signal is issued, and the detector outputs the image during the vibration test to the display screen.
由上述得知當鏡片因鬆動導致光軸偏移時,藉由檢測比對圖形之座標位置或解析度變化可即時得知光軸是否因鏡片鬆動而產生偏移,如此可以在尚未組裝成攝影機時可即時將不良品汰除,以減輕成本。 It can be known from the above that when the lens is displaced due to looseness, by detecting the coordinate position or resolution change of the comparison pattern, it is immediately known whether the optical axis is offset due to loose lens, so that it can be assembled into a camera. The defective products can be eliminated immediately to reduce costs.
1‧‧‧整合性振動檢測裝置 1‧‧‧Integrated vibration detecting device
2‧‧‧待測鏡頭 2‧‧‧Densor to be tested
10‧‧‧檢測治具 10‧‧‧Test fixture
11‧‧‧鏡頭固定模組 11‧‧‧Lens fixed module
12‧‧‧檢測圖 12‧‧‧Test chart
121‧‧‧十字標示圖 121‧‧‧ cross map
122‧‧‧解析度圖形 122‧‧‧resolution graphics
20‧‧‧檢測機 20‧‧‧Detector
21‧‧‧顯示單元 21‧‧‧Display unit
22‧‧‧信號傳輸線 22‧‧‧Signal transmission line
圖一為本發明之整合性振動檢測裝置示意圖;圖二為本發明之檢測治具示意圖;圖三為本發明之整合性振動檢測裝置另一視角之示意圖;圖四為本發明之檢測圖的第一實施例之示意圖;以及圖五為本發明之檢測圖的第二實施例之示意圖。 1 is a schematic view of an integrated vibration detecting device of the present invention; FIG. 2 is a schematic view of a detecting jig of the present invention; FIG. 3 is a schematic view of another integrated view of the integrated vibration detecting device of the present invention; A schematic view of a first embodiment; and FIG. 5 is a schematic view of a second embodiment of the detection map of the present invention.
本發明之第一實施例請參閱圖一至圖三所示,本發明之整合性振動檢測裝置1包含有一檢測治具10,該檢測治具10裝設於一振動測試機台上;其中該檢測治具10包含有至少一個鏡頭固定模組11,該鏡頭固定模組11用以裝設待測鏡頭2;一檢測圖12,該檢測圖12裝設於待測鏡頭2一側用以反射穿射過待測鏡頭2之光線,其中該檢測圖12至少包含 有一特徵圖形,該特徵圖形為一十字標示圖121(圖四);一影像成形單元(圖中未示),該影像成形單元裝設於待測鏡頭2上相對於檢測圖12之一側,該影像成形單元用以感應經由檢測圖12所反射之光線所形成之影像;一檢測機20,該檢測機用以接收經由影像成形單元所形成之影像,同時該檢測機20即時判讀經由影像成形單元所形成之十字標示圖之影像;顯示單元21與檢測機20以信號傳輸線22相連接,用以顯示影像。 The first embodiment of the present invention, as shown in FIG. 1 to FIG. 3, the integrated vibration detecting device 1 of the present invention includes a detecting fixture 10 mounted on a vibration testing machine; wherein the detecting device 10 is mounted on a vibration testing machine; The jig 10 includes at least one lens fixing module 11 for mounting the lens 2 to be tested, and a detecting image 12, which is mounted on the side of the lens 2 to be reflected for reflection. Light passing through the lens 2 to be tested, wherein the detection pattern 12 includes at least There is a feature pattern, which is a cross-shaped map 121 (FIG. 4); an image forming unit (not shown), which is mounted on the lens 2 to be tested with respect to one side of the detecting image 12. The image forming unit is configured to sense an image formed by detecting light reflected by FIG. 12; a detecting machine 20 for receiving an image formed by the image forming unit, and the detecting machine 20 immediately interprets the image through the image forming The image of the cross mark formed by the unit; the display unit 21 and the detector 20 are connected by the signal transmission line 22 for displaying an image.
當外部光線經由檢測圖12反射至影像成形單元,影像成形單元將檢測圖12所反射之光線轉換成影像輸出至檢測機20,檢測機20即時判讀檢測圖12經由影像成形單元所形成之前後影像同時進行比對,比對前後影像中所顯示之十字標示圖121之相對座標位置,當該十字標示圖121之座標位置差異超過所設定之閥值時,則發出警示訊號,同時將比對之影像輸出至顯示螢幕21顯示。 When the external light is reflected to the image forming unit via the detecting image 12, the image forming unit converts the light reflected by the detecting image 12 into an image output to the detecting machine 20, and the detecting machine 20 immediately interprets the front and rear images formed by the image forming unit. Simultaneously comparing and comparing the relative coordinate positions of the cross mark 121 shown in the front and rear images, when the coordinate position difference of the cross mark 121 exceeds the set threshold, a warning signal is issued, and the comparison is performed. The image is output to the display screen 21 display.
本發明之另一實施例請參閱圖一、圖二及圖五所示,本發明之整合性振動檢測裝置1包含有一檢測治具10,該檢測治具10裝設於一振動測試機台上;其中該檢測治具10包含有至少一個鏡頭固定模組11,該鏡頭固定模組11用以裝設待測鏡頭2;一檢測圖12,該檢測圖12裝設於待測鏡頭2一側用以反射穿射過待測鏡頭2之光線,其中該檢測圖12至 少包含有一解析度圖形122,該解析度圖形122為一由複數個方形小黑格所排列而成之圖形;一影像成形單元(圖中未示),該影像成形單元裝設於待測鏡頭2上相對於檢測圖12之一側,該影像成形單元用以感應經由檢測圖12所反射之光線所形成影像;一檢測機20,用以檢測經由影像成形單元所形成之影像;一顯示單元21與檢測機20以信號傳輸線22相連接。 As shown in FIG. 1 , FIG. 2 and FIG. 5 , the integrated vibration detecting device 1 of the present invention comprises a detecting fixture 10 mounted on a vibration testing machine. The detecting fixture 10 includes at least one lens fixing module 11 for mounting the lens 2 to be tested, and a detecting image 12 mounted on the side of the lens 2 to be tested. For reflecting the light that has passed through the lens 2 to be tested, wherein the detection of FIG. 12 to Included is a resolution pattern 122, which is a pattern formed by a plurality of square black grids; an image forming unit (not shown), the image forming unit is mounted on the lens to be tested The image forming unit is configured to detect an image formed by detecting the light reflected by FIG. 12; a detecting machine 20 for detecting an image formed by the image forming unit; and a display unit 21 is connected to the detector 20 by a signal transmission line 22.
當外部光線經由檢測圖12反射至影像成形單元,影像成形單元將檢測圖12所反射之光線轉換成影像輸出至檢測機20,檢測機20即時比對檢測圖12之解析度圖形122所形成之前後影像的解析度同時進行比對,比對前後影像之解析度圖形122之解析度差異,當該解析度圖形122之解析度差異超過所設定之閥值時,則發出警示訊號,同時將比對之影像經由傳輸線22輸出至顯示螢幕21顯示。 When the external light is reflected to the image forming unit via the detection image 12, the image forming unit converts the light reflected by the detection image 12 into an image output to the detector 20, and the detector 20 instantly compares and detects the resolution pattern 122 of FIG. The resolutions of the front and rear images are simultaneously compared, and the resolution difference of the resolution graph 122 of the front and rear images is compared. When the resolution difference of the resolution graph 122 exceeds the set threshold, a warning signal is issued, and the ratio is compared. The image is output to the display screen 21 via the transmission line 22.
1‧‧‧整合性振動檢測裝置 1‧‧‧Integrated vibration detecting device
2‧‧‧待測鏡頭 2‧‧‧Densor to be tested
10‧‧‧檢測治具 10‧‧‧Test fixture
11‧‧‧鏡頭固定模組 11‧‧‧Lens fixed module
20‧‧‧檢測機 20‧‧‧Detector
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TW200801784A (en) * | 2006-06-30 | 2008-01-01 | Hon Hai Prec Ind Co Ltd | Device and method for testing lens module |
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CN102252821A (en) * | 2011-07-25 | 2011-11-23 | 福州福赛特光学仪器有限公司 | Parameter detection method for optical lens and detecting instrument thereof |
US8098284B2 (en) * | 2008-11-07 | 2012-01-17 | Kabushiki Kaisha Toshiba | Method of manufacturing camera module |
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TW200801784A (en) * | 2006-06-30 | 2008-01-01 | Hon Hai Prec Ind Co Ltd | Device and method for testing lens module |
TWM356895U (en) * | 2008-11-05 | 2009-05-11 | Altek Corp | A testing apparatus for determining the image stabilizer of the optical module |
US8098284B2 (en) * | 2008-11-07 | 2012-01-17 | Kabushiki Kaisha Toshiba | Method of manufacturing camera module |
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CN102252821A (en) * | 2011-07-25 | 2011-11-23 | 福州福赛特光学仪器有限公司 | Parameter detection method for optical lens and detecting instrument thereof |
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