CN201116939Y - Optical fibre end face inspection device - Google Patents
Optical fibre end face inspection device Download PDFInfo
- Publication number
- CN201116939Y CN201116939Y CNU200720121574XU CN200720121574U CN201116939Y CN 201116939 Y CN201116939 Y CN 201116939Y CN U200720121574X U CNU200720121574X U CN U200720121574XU CN 200720121574 U CN200720121574 U CN 200720121574U CN 201116939 Y CN201116939 Y CN 201116939Y
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- China
- Prior art keywords
- fiber end
- lens barrel
- inner chamber
- testing fixture
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000013307 optical fiber Substances 0.000 title abstract description 16
- 238000007689 inspection Methods 0.000 title 1
- 230000003287 optical effect Effects 0.000 claims abstract description 30
- 238000003384 imaging method Methods 0.000 claims abstract description 21
- 230000003749 cleanliness Effects 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims description 46
- 238000001514 detection method Methods 0.000 claims description 24
- 238000012360 testing method Methods 0.000 claims description 22
- 238000004891 communication Methods 0.000 claims description 6
- 210000005224 forefinger Anatomy 0.000 abstract description 2
- 210000003813 thumb Anatomy 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract 4
- 230000002950 deficient Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Landscapes
- Optical Couplings Of Light Guides (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The utility model relates to an optical fiber end surface checking device, which is used to check the lapping quality and the cleanliness of the end surface of an optical fiber connector, the device comprises a light source, an optical lens group which is used to amplify and form images and a photosensitive imaging device which is connected with a display device. The checking device also comprises a hand held checking cylinder and a focal distance regulating device which is installed in front of the checking cylinder. The checking cylinder is provided with an inner cavity, the light source and the photosensitive imaging device are installed in the inner cavity. The focal distance regulating device is provided with a telescopic checking lens cone which is close to the optical fiber end surface. The checking lens cone is communicated with the inner cavity. The optical lens group is distributed on an optical path which is formed through communicating the checking lens cone and the inner cavity. The utility model also relates to an optical fiber end surface checking system. The device not only is simple in structure, but also is convenient for operators to handle the checking cone by one handle, simultaneously, the focal distance regulating device can be regulated by a thumb and a forefinger, and both the use and the operation are very convenient.
Description
Technical field
The utility model relates to a kind of optical fiber detector, is specifically related to a kind of end surface grinding quality and cleanliness that are used for the detection fiber connector, portable fiber-optic end face testing fixture easy to use.
Background technology
Optical communication needs a large amount of joints of optical fibre, can be used for the connection between the remote phone communication device, perhaps the connection between SPC telephone exchange repeater or communication device etc.Because optical fiber is a kind of diameter only to be had the several microns fibre cores that can transmit light signal and light is strapped in the quartz glass that the overlayer in the fibre core constitutes and draw the glass wire that forms, optical fiber connects and the efficient of optical signal transmission in order to improve, and must control the various defectives that produce in geometric parameter, end surface grinding quality, cleanliness or the use of joints of optical fibre insertion loss and the return loss with the connection of minimizing optical fiber.
The fiber end face pick-up unit is to be used for the optical detecting instrument of the various defectives that produce in detection fiber connector ends Grinding Quality, cleanliness or the use specially.
General pick-up unit of existing fiber end face pick-up unit and display device.Described display device generally adopts CRT monitor, and is installed in the top of proving installation.During use, the tested joints of optical fibre are inserted in the test opening of described proving installation, described display device shows the situation of fiber end face.But traditional fiber end face pick-up unit volume is very big, generally is used in the plant produced, and is portable poor, uses also inconvenient.When if the fiber optic network engineering staff needs constantly to change the working-yard in practical operations such as networking or maintenance, traditional fiber end face pick-up unit just can't adapt to this demand.
So, demand a kind of new fiber end face pick-up unit urgently and can solve the problem that occurs in the above-mentioned traditional fiber pick-up unit.
Summary of the invention
The purpose of this utility model is the defective that overcomes above-mentioned prior art, and a kind of fiber end face testing fixture easy for operation, simple in structure is provided.
Another purpose of the present utility model provides a kind of fiber end face testing fixture of good portability.
In order to achieve the above object, the technical solution of the utility model is: a kind of fiber end face testing fixture, be used for the end surface grinding quality and the cleanliness of detection fiber connector, and comprise light source, be used for amplifying and the optical lens group and the photosensitive imaging device of imaging.Described fiber end face testing fixture comprises that also hand held detects tube and is installed in the focal length adjustment device that detects tube the place ahead.Described detection tube is provided with inner chamber, and described light source and photosensitive imaging device are installed in the inner chamber.Described focal length adjustment device has the telescopic lens barrel of pressing close to fiber end face, and described inner chamber is communicated with lens barrel.Described optical lens group is distributed in lens barrel and inner chamber is communicated with on the optical path that forms.
Preferably, described optical lens group comprises object lens that are arranged in the lens barrel and the semi-permeable mirror that is installed in the inner chamber.
Described photosensitive imaging device is passed to display device with image information and is shown.
Specifically, described focal length adjustment device further comprises adjusting core and the adjusting ring that is fixed on lens barrel one end, and described adjusting core has external thread, and described adjusting ring has internal thread, and by internal thread and the engagement of described adjusting core.
Described detection tube front end is fixed with protecgulum, between described protecgulum and the detection tube accepting groove is set, and described adjusting ring is installed in the described accepting groove.
The utility model also relates to a kind of fiber end face check system, comprises pick-up unit and display device, and described pick-up unit comprises light source, is used for amplifying and the optical lens group of imaging and the photosensitive imaging device that is connected display device.Described pick-up unit comprises that also hand held detects tube and is installed in the focal length adjustment device that detects tube the place ahead.Described detection tube is provided with inner chamber, and described light source and photosensitive imaging device are installed in the inner chamber.Described focal length adjustment device has the telescopic lens barrel of pressing close to fiber end face.Described lens barrel communication with cavity.Described optical lens group is distributed in lens barrel and inner chamber is communicated with on the optical path that forms.
Preferably, described optical lens group comprises object lens that are arranged in the lens barrel and the semi-permeable mirror that is installed in the inner chamber.
Preferably, described focal length adjustment device further comprises adjusting core and the adjusting ring that is fixed on lens barrel one end, and described adjusting core has external thread, and described adjusting ring has internal thread, and by internal thread and the engagement of described adjusting core.
Described detection tube front end is fixed with protecgulum, between described protecgulum and the detection tube accepting groove is set, and described adjusting ring is installed in the described accepting groove.
The utility model adopts described technical scheme, its beneficial technical effects is: 1) fiber end face testing fixture of the present utility model, by detection tube that hand held is set and the focal length adjustment device that is installed in detection tube the place ahead, not only simple in structure but also operator can be hold by one hand described detection tube easily, adjust described focal length adjustment device with thumb and forefinger simultaneously, use and operate all very convenient; 2) fiber end face testing fixture of the present utility model is arranged on light source, optical lens group and photosensitive imaging device in the described detection tube, can reduce the volume of pick-up unit greatly, and and in carrying, be convenient to very much the installation of the PROJECT NETWORKS joints of optical fibre; 3) fiber end face testing fixture of the present utility model is furnished with each serial adaptable interface, can satisfy the demand of checking such as the fiber end faces such as end face of the connector ends on be coupled in connector ends, the optical module insertion core end face, the distributing frame, instrument and meter.
Description of drawings
Fig. 1 is the cut-open view of first kind of embodiment of this practical fiber end face testing fixture.
Fig. 2 is the stereographic map of first kind of embodiment of this practical fiber end face testing fixture.
Embodiment
Also in conjunction with the accompanying drawings the utility model is further described below by specific embodiment.
Please refer to Fig. 1 to Fig. 2, the utility model relates to a kind of fiber end face check system, comprises pick-up unit and display device 80.Be used for the end surface grinding quality and the cleanliness of detection fiber connector.
The kind of the joints of optical fibre that the utility model is related is a lot.For example: distinguish according to connected mode, FC is arranged, SC, MU, LC etc.Lock pin diameter according to the joints of optical fibre divides, and 2.5 millimeters (as FC connector and SC connector) arranged, and 1.25 millimeters (as MU type connector and Lucent Connector) etc. also arranged.
Described pick-up unit comprises light source 20, be used for amplifying with the optical lens group of imaging and the photosensitive imaging device 70, the hand held that are connected display device 80 and detect tube 10 and be installed in the focal length adjustment device that detects tube 10 the place aheads.
Described detection tube 10 is provided with inner chamber 14.
Described focal length adjustment device comprises telescopic lens barrel 40, the adjusting core 52 that is fixed on lens barrel 40 1 ends and the adjusting ring 50 of pressing close to fiber end face.Described adjusting core 52 has external thread, and described adjusting ring 50 has internal thread, and by internal thread and 52 engagements of described adjusting core.When using, rotate described adjusting ring 50, described adjusting ring 50 drives regulates core 52 rotations, and the adjusting core 52 of rotation drives fixing with it lens barrel 42 and moves forward and backward under the guiding of screw thread.The described lens barrel 40 that detects tube 10 and focal length adjustment device is communicated with in order to be formed into the picture optical path.
Described optical lens group comprises object lens 42 that are arranged on B place in the lens barrel 40 and the semi-permeable mirror 60 that is installed in the inner chamber 14.Described light source 20 is arranged on the C place near described semi-permeable mirror 60, and described semi-permeable mirror 60 reflexes to the light of light source 20 on the tested optical fiber end face.Object lens 42 in the described lens barrel 40 move forward along with lens barrel 42 or retreat, and finish the focusing of focusing to fiber end face A.
Described detection tube 10 is provided with inner chamber 14.The described front end that detects tube 10 is fixed with protecgulum 30.Form accepting groove between described protecgulum 30 and the detection tube 10, protecgulum 30 front portions offer the passage (sign) that passes for described lens barrel 40.Described adjusting ring 50 is installed in the described accepting groove and is limited in described protecgulum 30 and detects between the tube 10.
Described photosensitive imaging device 70 is installed in the inner chamber 14, is positioned at the end of image optics path.Described photosensitive imaging device 70 connects outside display device 80, and the image information that collects is passed to described display device 80 demonstrations.Telescopic lens barrel 40 communication with cavity 14 of pressing close to fiber end face of described focal length adjustment device, described optical lens group are distributed in lens barrel 40 and inner chamber 14 is communicated with on the optical path that forms.
Further, fiber end face testing fixture of the present utility model, be furnished with the adaptable interface of various series at the front end of described lens barrel 40, can satisfy the demand of checking such as the fiber end faces such as end face of the connector ends on be coupled in connector ends, the optical module insertion core end face, the distributing frame, instrument and meter.
Although top detailed description preferred embodiment of the present utility model, but should be understood that many distortion of basic inventive concept clearly, that tell about to those skilled in the art and modification all drop within the spirit and scope of the present invention of claims qualification here.
Claims (9)
1. fiber end face testing fixture, be used for the end surface grinding quality and the cleanliness of detection fiber connector, comprise light source, be used for amplifying optical lens group and photosensitive imaging device with imaging, it is characterized in that: comprise that also hand held detects tube and is installed in the focal length adjustment device that detects tube the place ahead, described detection tube is provided with inner chamber, described light source and photosensitive imaging device are installed in the inner chamber, described focal length adjustment device has the telescopic lens barrel of pressing close to fiber end face, described inner chamber is communicated with lens barrel, and described optical lens group is distributed in lens barrel and inner chamber is communicated with on the optical path that forms.
2. fiber end face testing fixture according to claim 1 is characterized in that: described optical lens group comprises object lens that are arranged in the lens barrel and the semi-permeable mirror that is installed in the inner chamber.
3. fiber end face testing fixture according to claim 1 is characterized in that: described photosensitive imaging device is passed to display device with image information and is shown.
4. fiber end face testing fixture according to claim 1, it is characterized in that: described focal length adjustment device further comprises adjusting core and the adjusting ring that is fixed on lens barrel one end, described adjusting core has external thread, described adjusting ring has internal thread, and by internal thread and the engagement of described adjusting core.
5. fiber end face testing fixture according to claim 4 is characterized in that: described detection tube front end is fixed with protecgulum, between described protecgulum and the detection tube accepting groove is set, and described adjusting ring is installed in the described accepting groove.
6. fiber end face testing fixture, comprise pick-up unit and display device, described pick-up unit comprises light source, be used for amplifying and the optical lens group of imaging and the photosensitive imaging device that is connected display device, it is characterized in that: described pick-up unit comprises that also hand held detects tube and is installed in the focal length adjustment device that detects tube the place ahead, described detection tube is provided with inner chamber, described light source and photosensitive imaging device are installed in the inner chamber, described focal length adjustment device has the telescopic lens barrel of pressing close to fiber end face, described lens barrel communication with cavity, described optical lens group are distributed in lens barrel and inner chamber is communicated with on the optical path that forms.
7. fiber end face testing fixture according to claim 6 is characterized in that: described optical lens group comprises object lens that are arranged in the lens barrel and the semi-permeable mirror that is installed in the inner chamber.
8. fiber end face testing fixture according to claim 6, it is characterized in that: described focal length adjustment device further comprises adjusting core and the adjusting ring that is fixed on lens barrel one end, described adjusting core has external thread, described adjusting ring has internal thread, and by internal thread and the engagement of described adjusting core.
9. fiber end face testing fixture according to claim 8 is characterized in that: described detection tube front end is fixed with protecgulum, between described protecgulum and the detection tube accepting groove is set, and described adjusting ring is installed in the described accepting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720121574XU CN201116939Y (en) | 2007-07-20 | 2007-07-20 | Optical fibre end face inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720121574XU CN201116939Y (en) | 2007-07-20 | 2007-07-20 | Optical fibre end face inspection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201116939Y true CN201116939Y (en) | 2008-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720121574XU Expired - Lifetime CN201116939Y (en) | 2007-07-20 | 2007-07-20 | Optical fibre end face inspection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201116939Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713698A (en) * | 2013-12-16 | 2015-06-17 | 弗兰克公司 | System and apparatus for inspecting fiber optic cables |
| CN105699388A (en) * | 2016-03-22 | 2016-06-22 | 苏州伽蓝致远电子科技股份有限公司 | End face detector for optical fiber connector |
| CN105700123A (en) * | 2014-12-15 | 2016-06-22 | 爱斯福公司 | Fiber inspection microscope and power measurement system, fiber inspection tip and method using same |
| CN105814423A (en) * | 2013-12-16 | 2016-07-27 | 日本电信电话株式会社 | End surface observation device |
-
2007
- 2007-07-20 CN CNU200720121574XU patent/CN201116939Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713698A (en) * | 2013-12-16 | 2015-06-17 | 弗兰克公司 | System and apparatus for inspecting fiber optic cables |
| CN105814423A (en) * | 2013-12-16 | 2016-07-27 | 日本电信电话株式会社 | End surface observation device |
| CN105814423B (en) * | 2013-12-16 | 2018-06-29 | 日本电信电话株式会社 | End face observation device |
| CN105700123A (en) * | 2014-12-15 | 2016-06-22 | 爱斯福公司 | Fiber inspection microscope and power measurement system, fiber inspection tip and method using same |
| CN105699388A (en) * | 2016-03-22 | 2016-06-22 | 苏州伽蓝致远电子科技股份有限公司 | End face detector for optical fiber connector |
| CN105699388B (en) * | 2016-03-22 | 2018-05-11 | 苏州伽蓝致远电子科技股份有限公司 | A kind of instrument for testing end of optical fiber connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenzhen Dimension Technology?Co.,Ltd. Assignor: Zhou Qi Contract record no.: 2011440020164 Denomination of utility model: Optical fibre end face inspection device Granted publication date: 20080917 License type: Exclusive License Record date: 20110525 |
|
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN DIMENSION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHOU QI Effective date: 20121123 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518054 SHENZHEN, GUANGDONG PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121123 Address after: 518000 Guangdong city of Shenzhen province Nanshan District Xili Liuxian Avenue honghualing Industrial Zone Industrial Park on the third floor of the North Fujian Lida Patentee after: Shenzhen Dimension Technology?Co.,Ltd. Address before: 518054 Guangdong city of Shenzhen province Nanshan District Nanyou Kui building Pavilion 17B Patentee before: Zhou Qi |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080917 |
|
| CX01 | Expiry of patent term |