CN101294866A - Optical power measuring device capable of checking optical fiber joint end face - Google Patents
Optical power measuring device capable of checking optical fiber joint end face Download PDFInfo
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- CN101294866A CN101294866A CNA2007101019522A CN200710101952A CN101294866A CN 101294866 A CN101294866 A CN 101294866A CN A2007101019522 A CNA2007101019522 A CN A2007101019522A CN 200710101952 A CN200710101952 A CN 200710101952A CN 101294866 A CN101294866 A CN 101294866A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 86
- 239000013307 optical fiber Substances 0.000 title claims description 43
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- 239000000835 fiber Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001579 optical reflectometry Methods 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
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- 150000004706 metal oxides Chemical class 0.000 claims description 3
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- 230000006870 function Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
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- 238000002834 transmittance Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 239000011248 coating agent Substances 0.000 description 1
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- 230000002708 enhancing effect Effects 0.000 description 1
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Abstract
The invention relates to an optical power measuring device which can inspect the head face state of a fiber optical splice. The device comprises a photomicrographic module, an illuminating module, an optical element, an optical power detecting unit, a display unit and a central processing unit. The measuring device allows a user to switch between an inspection function and an optical power measuring function for the head face of the fiber optical splice, so as to simplify the complicated steps that the fiber optical splice is firstly plugged in or pulled out of a light microscope and then inserted in an optical power meter, thereby enabling a user to rapidly measure the correct optical power.
Description
Technical field
The present invention relates to a kind of optical power measuring device, particularly about the optical power measuring device of the inspection optical fiber joint end face of a kind of reflection that utilizes optical mirror slip and transmissison characteristic and cinephotomicrography technology.
Background technology
Traditional light power meter can only merely detect the luminous power of a fibre-optical splice, yet whether the cleaning of fibre-optical splice usually has influence on the transmission of optical fiber signal.The error that the dirty joint that falls can cause luminous power to measure, dB are all possible to tens of dB by number.Usually inspect optical-fiber-connector end to confirm the cleanliness factor of fibre-optical splice at the preceding smooth joint microscope that must use earlier of measuring light power.At this moment fibre-optical splice can be done the action of plug,, then insert a light power meter again if end face is clean; If end face Shi Dirty is dirty, then want to clean with wiper cord earlier, insert a light power meter again.Thus, in order to measure the just essential action of luminous power, very inconvenience concerning the user through light joint plug for several times.
Based on above-mentioned not convenient property, it needs a kind of light power meter in conjunction with light joint microscope functions badly, and whether after fibre-optical splice is inserted into apparatus of the present invention, it is clean or damage arranged just to inspect optical-fiber-connector end earlier.If all are normal, the user just can measure luminous power accurately easily, and the equipment that so accomplishs without any letup will be to the very big power-assisted of progressive formation of optical communication technology.
Summary of the invention
Because in the foregoing invention background, how to reduce and carry out the step that the fibre-optical splice cleaning is checked, it is the place that is sought after breaking through, fundamental purpose of the present invention is to propose a kind of light power meter with light microscope function, utilize the reflection and the transmissison characteristic of optical mirror slip, reach the function of inspecting optical-fiber-connector end or measuring luminous power, make the user more convenient.
According to above-mentioned purpose, the present invention proposes a kind of optical power measuring device of checking optical fiber joint end face, and it comprises the cinephotomicrography module, in order to the end face image visible light signal of reception optical fiber, and is converted into a digital image signal; The luminous power detecting unit in order to the optical power signals of reception Optical Fiber Transmission, and is converted into the specific electron signal; Display unit is in order to show image; And CPU (central processing unit), be converted to first shows signal and second shows signal respectively in order to control figure signal of video signal and specific electron signal, and determine first or second shows signal is transferred to display unit, so that can seeing through this display unit, the user supervise the end face clean state of this optical fiber or the numerical value of this optical power signals.
The optical power measuring device of optical fiber joint end face of checking of the present invention also comprises lighting module, in order to send visible light, with the imaging of auxiliary fiber end face; And optical element, in order to end face image visible light signal being imported the cinephotomicrography module, and the optical reflectivity of this optical element changes with visible light intensity is different.
The optical power measuring device of optical fiber joint end face of checking of the present invention also comprises a human and machine interface unit, in order to input user instruction, switches to end face image or optical power signals with the target that display unit is supervised.
Technical characteristic of the present invention is, utilizes reflection characteristic with receiving the optical mirror slip that visual intensity changes, and inspects optical-fiber-connector end at the light reflex time, and measure the luminous power of transmitting in optical fiber when transmittance.By lighting of the light emitting diode of controlling lighting module, can assist inspecting of optical-fiber-connector end.When light emitting diode was lighted, optical mirror slip produced the direct reflection effect, and the optical-fiber-connector end image more clearly is sent to the cinephotomicrography module, to inspect the joint end face; When light emitting diode did not work, optical mirror slip became lens, and the light signal of fibre-optical splice end is sent to optical diode, to measure luminous power.The user can be reduced to the step that measures luminous power and only comprise the once action of plug thus, but not must be through the plug of light joint for several times as prior art.
Description of drawings
Figure 1A shows the functional block diagram according to the optical power measuring device of the optical fiber joint end face checked of a preferred embodiment of the present invention.
Figure 1B shows the functional block diagram according to the fibre-optical splice camera unit of one embodiment of the invention.
Fig. 2 shows the detailed architecture synoptic diagram according to the optical power measuring device of the optical fiber joint end face checked of a preferred embodiment of the present invention.
Symbol description among the figure
100 can check the optical power measuring device of optical fiber joint end face
102 CPU (central processing unit)
104 fibre-optical splice camera units
The 104A lighting module
The 104B optical element
104C cinephotomicrography module
106 luminous power detecting units
108 display units
110 human and machine interface unit
The light power meter framework of 200 tool light microscope functions
202 microprocessors
The 204A lighting module
The 204B optical mirror slip
204C cinephotomicrography module
206 optical diodes
208 display device
212 fibre-optical splices
214 light power meter jacks
Embodiment
Next be detailed description of the present invention.Figure 1A is the functional block diagram according to the optical power measuring device 100 of the optical fiber joint end face checked of a preferred embodiment of the present invention, and it comprises CPU (central processing unit) 102, fibre-optical splice camera unit 104, luminous power detecting unit 106, display unit 108 and human and machine interface unit 110.The present invention mainly is to be key control unit with CPU (central processing unit) 102, and it connects respectively and controls fibre-optical splice camera unit 104, luminous power detecting unit 106, display unit 108 and human and machine interface unit 110.
CPU (central processing unit) 102 can be a general-using type microprocessor (microprocessor), its execution is stored in the program in the storer (not being shown among the figure), and the user who receives from human and machine interface unit 110 instructs so that fibre-optical splice camera unit 104, luminous power detecting unit 106 and display unit 108 are carried out necessary control.These controls comprise, but be not limited to, to above-mentioned each unit carry out first making, to fibre-optical splice camera unit 104 carry out convergent-divergent (zooming) or translation (pan) control, visual characteristics such as the susceptibility such as to luminous power that changes luminous power detecting unit 106 is set, the color of adjustment display unit 108 and/or brightness.Aforesaid storer can in be built in CPU (central processing unit) 102, it can also be an external memory storage independently, for example, dynamic RAM (Dynamic Random Access Memory or DRAM) or various forms of ROM (read-only memory) (Read Only Memory or ROM).
Fibre-optical splice camera unit 104 can allow the user inspect optical-fiber-connector end to have or not unusual condition and do photography for record.Referring to Figure 1B, it shows the further functional block diagram according to the fibre-optical splice camera unit 104 of one embodiment of the invention.Shown in Figure 1B, fibre-optical splice camera unit 104 comprises a lighting module 104A, an optical element 104B and a cinephotomicrography module 104C.The function that cinephotomicrography module 104C can have micro-(meaning is that image amplifies) is clearly to be presented in display unit 108 with the signal of optical-fiber-connector end clean state.Above-mentioned cinephotomicrography module 104C is in order to receiving the end face image visible light signal of optical fiber, and is converted into a digital image signal.This digital image signal is suitably handled and is converted to via CPU (central processing unit) 102 and exports display unit 108 after one first shows signal to and supervise for the user.According to another embodiment of the present invention, cinephotomicrography module 104C also is connected to display unit 108, it can directly be converted to above-mentioned digital image signal the first above-mentioned shows signal, and whether CPU (central processing unit) 102 then exports display unit 108 in order to control first shows signal.Cinephotomicrography module 104C can comprise the image sensor (image sensor) of colour or black and white, optical mirror slip module and other control circuit of the micro-function of post.Image sensor can be charge coupled cell (charge coupled device or CCD) type sensor, CMOS (Complementary Metal Oxide Semiconductor) (Complementary Metal-Oxide-Semiconductor or CMOS) type sensor or other has the element of image sensing function.Function and characteristic as for lighting module 104A and optical element 104B see the explanation of Fig. 2 for details.
Get back to Figure 1A.The function of luminous power detecting unit 106 is to measure the luminous power through Optical Fiber Transmission, and it can receive the luminous power from the fibre-optical splice end, and is converted into a specific electron signal.102 of CPU (central processing unit) can be with the size of this specific electron signal, exports display unit 108 to and supervise for the user after suitably handling or convert to one second shows signal.According to another embodiment of the present invention, luminous power detecting unit 106 also comprises the specific electron conversion of signals to be the circuit of second shows signal and to be connected to display unit 108, and whether CPU (central processing unit) 102 then exports display unit 108 in order to control second shows signal.Luminous power detecting unit 106 can comprise luminous power measuring element and other control circuit such as optical diode (photo diode).
Human and machine interface unit 110 provides the interface of user's operational light power meter 100, and it can comprise button, keyboard and/or indicator device peripheral input medias such as (as trace ball, mouses).As previously mentioned, CPU (central processing unit) 102 receives the user's instruction from human and machine interface unit 110, so that other unit in the light power meter 100 is carried out necessary control, for example, the displaying contents of display unit 108 is switched between optical-fiber-connector end image and luminous power numerical value.
Fig. 2 shows that it comprises light power meter jack 214, optical mirror slip 204B, optical diode 206, lighting module 204A, cinephotomicrography module 204C, microprocessor 202 and display device 208 according to the detailed architecture synoptic diagram of the optical power measuring device 200 of the optical fiber joint end face checked of a preferred embodiment of the present invention.Similar with Fig. 1, microprocessor 202 connects respectively and controls optical diode 206, lighting module 204A, cinephotomicrography module 204C and display device 208.
Light power meter jack 214 is in order to accept the fibre-optical splice 212 for the treatment of side, and it has the function of fixed fiber joint end face, also as the connector of fibre-optical splice 212 and light power meter.
One of characteristic of the present invention is to utilize reflection characteristic with receiving the optical mirror slip 204B that visual intensity changes, and inspects optical-fiber-connector end at the light reflex time, and measure the luminous power of transmitting in optical fiber when transmittance.Lighting of light emitting diode by control lighting module 204A can be assisted inspecting of optical-fiber-connector end.When light emitting diode was lighted, optical mirror slip 204B produced the direct reflection effect, and the optical-fiber-connector end image more clearly is sent to cinephotomicrography module 204C, to inspect the joint end face; When light emitting diode did not work, optical mirror slip 204B became lens, and the light signal of fibre-optical splice end is sent to optical diode 206, to measure luminous power.The user can be reduced to the step that measures luminous power and only comprise the once action of plug thus, but not must be through the plug of light joint for several times as prior art.
The above preferred embodiment only of the present invention is not in order to limit category of the present invention; All other do not break away from the equivalence of being finished under the disclosed spirit and changes or modification, all should be included in the described claim.
Claims (15)
1. the optical power measuring device that can check optical fiber joint end face, it comprises:
One cinephotomicrography module in order to receiving the end face image visible light signal of an optical fiber, and is converted to a digital image signal with this image visible light signal;
One luminous power detecting unit in order to receiving the optical power signals of this Optical Fiber Transmission, and is converted to a specific electron signal with this optical power signals;
One display unit; And
One CPU (central processing unit), be converted to one first shows signal and one second shows signal respectively in order to control this digital image signal and this specific electron signal, and determine this first or second shows signal is transferred to this display unit, supervise the end face clean state of this optical fiber or the numerical value of this optical power signals to see through this display unit.
2. the optical power measuring device of checking optical fiber joint end face as claimed in claim 1 also comprises:
One lighting module is in order to send the imaging of a visible light with auxiliary this fiber end face; And
One optical element, in order to this end face image visible light signal is imported this cinephotomicrography module, and the optical reflectivity of this optical element changes with this visible light intensity is different.
3. the optical power measuring device of checking optical fiber joint end face as claimed in claim 2, wherein this lighting module is a LED, and the optical reflectivity of stronger then this optical element of this visible light is bigger.
4. the optical power measuring device of checking optical fiber joint end face as claimed in claim 3, wherein this optical element is the glass mirror that a surface plates special plated film.
5. the optical power measuring device of checking optical fiber joint end face as claimed in claim 1, wherein this cinephotomicrography module comprises an image sensor and an optical lens module.
6. the optical power measuring device of checking optical fiber joint end face as claimed in claim 5, wherein this image sensor is charge coupled cell CCD type image sensor or CMOS (Complementary Metal Oxide Semiconductor) CMOS type image sensor.
7. the optical power measuring device of checking optical fiber joint end face as claimed in claim 1, wherein this luminous power detecting unit comprises an optical diode photo diode.
8. the optical power measuring device of checking optical fiber joint end face as claimed in claim 1, wherein this display unit is a LCD LCD.
9. the optical power measuring device that can check optical fiber joint end face, it comprises:
One cinephotomicrography module in order to receiving the end face image visible light signal of an optical fiber, and is converted to a digital image signal with this image visible light signal;
One lighting module is in order to send the imaging of a visible light with auxiliary this fiber end face;
One optical element, in order to this end face image visible light signal is imported this cinephotomicrography module, and the optical reflectivity of this optical element changes with this visible light intensity is different;
One luminous power detecting unit in order to receiving the optical power signals of this Optical Fiber Transmission, and is converted to a specific electron signal with this optical power signals;
One display unit;
One CPU (central processing unit), be converted to one first shows signal and one second shows signal respectively in order to control this digital image signal and this specific electron signal, and determine this first or second shows signal is transferred to this display unit, supervise the end face clean state of this optical fiber or the numerical value of this optical power signals to see through this display unit; And
One human and machine interface unit in order to input user instruction, switches to this end face image or this optical power signals with the target that this display unit is supervised.
10. the optical power measuring device of checking optical fiber joint end face as claimed in claim 9, wherein this lighting module is a LED, and the optical reflectivity of stronger then this optical element of this visible light is bigger.
11. the optical power measuring device of checking optical fiber joint end face as claimed in claim 10, wherein this optical element is the glass mirror that a surface plates special plated film.
12. the optical power measuring device of checking optical fiber joint end face as claimed in claim 9, wherein this cinephotomicrography module comprises an image sensor and an optical lens module.
13. the optical power measuring device of checking optical fiber joint end face as claimed in claim 12, wherein this image sensor is charge coupled cell CCD type image sensor or CMOS (Complementary Metal Oxide Semiconductor) CMOS type image sensor.
14. the optical power measuring device of checking optical fiber joint end face as claimed in claim 9, wherein this luminous power detecting unit comprises an optical diode photo diode.
15. the optical power measuring device of checking optical fiber joint end face as claimed in claim 9, wherein this display unit is a LCD LCD, and this human and machine interface unit comprises a button.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101019522A CN101294866B (en) | 2007-04-27 | 2007-04-27 | Optical power measuring device capable of checking optical fiber joint end face |
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| CN2007101019522A CN101294866B (en) | 2007-04-27 | 2007-04-27 | Optical power measuring device capable of checking optical fiber joint end face |
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| CN101294866B CN101294866B (en) | 2010-06-02 |
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| WO2010145517A1 (en) * | 2009-09-29 | 2010-12-23 | 中兴通讯股份有限公司 | Optical power detection device and operating method thereof |
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| CN105092207A (en) * | 2014-05-08 | 2015-11-25 | 威光自动化科技股份有限公司 | Optical fiber detection device |
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- 2007-04-27 CN CN2007101019522A patent/CN101294866B/en not_active Expired - Fee Related
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| WO2010145517A1 (en) * | 2009-09-29 | 2010-12-23 | 中兴通讯股份有限公司 | Optical power detection device and operating method thereof |
| CN102937514A (en) * | 2012-11-13 | 2013-02-20 | 美迪亚印刷设备（杭州）有限公司 | Inspection method of optical fiber coupling type laser diode |
| CN102937514B (en) * | 2012-11-13 | 2015-07-08 | 美迪亚印刷设备（杭州）有限公司 | Inspection method of optical fiber coupling type laser diode |
| CN103018257A (en) * | 2012-12-25 | 2013-04-03 | 索尔思光电（成都）有限公司 | Detection method and detection apparatus for fiber interface |
| CN104020176A (en) * | 2014-05-07 | 2014-09-03 | 武汉锐科光纤激光器技术有限责任公司 | Detection tool for lens of output jumper wire of laser device |
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| CN105703827A (en) * | 2016-04-22 | 2016-06-22 | 成都英鑫光电科技有限公司 | Optical connector fault detection method and device and controller |
| CN105703827B (en) * | 2016-04-22 | 2018-04-24 | 成都英鑫光电科技有限公司 | A kind of optical connector fault detection method and device and controller |
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