CN102735335A - Device for realizing optical power detection in optical fiber network - Google Patents
Device for realizing optical power detection in optical fiber network Download PDFInfo
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- CN102735335A CN102735335A CN201210226377XA CN201210226377A CN102735335A CN 102735335 A CN102735335 A CN 102735335A CN 201210226377X A CN201210226377X A CN 201210226377XA CN 201210226377 A CN201210226377 A CN 201210226377A CN 102735335 A CN102735335 A CN 102735335A
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Abstract
The invention relates to a device for realizing optical power detection in an optical fiber network, belonging to the technical field of photoelectric technology. The device for realizing optical power detection in the optical fiber network comprises a PIN-type photodiode, a signal conversion unit, a processor unit and a USB (universal serial bus) port, wherein the current signal output end of the PIN-type photodiode is connected with the processor unit through the signal conversion unit, and the output end of the PIN-type photodiode is connected with external detected optical fibers; and the USB port is connected between the processor unit and an external upper computer. By adopting the optical power detection device provided by the invention, an optical power detection function can be conveniently realized under the cooperation of a PC (personal computer) by connecting a USB cable with the PC which is used as the upper computer. The device for realizing optical power detection in the optical fiber network has the advantages of simple structure, high portability, lower cost and wider application scope.
Description
Technical field
The present invention relates to field of photoelectric technology, particularly the measuring light power technical field specifically is meant and realizes the device that luminous power detects in a kind of fiber optic network.
Background technology
In optical fiber measurement, light power meter is a Common Instrument, and no matter engineering construction is on-the-spot, or scientific research all can be used light power meter.Through measuring the absolute power of emission terminal or optical-fiber network, a light power meter just can be estimated the performance of light end equipment.Use with light power meter and stabilized light source combination, then can measure junction loss, check continuity, and be used to assess the optical fiber link transmission quality.At present power bracket-the 70dBm of telecommunications, UNICOM, moving part gate test～+ 3dBm can meet the demands basically; Be used for the radio and television departments of video transmission at fiber optic network, then the power of test is bigger more, needs-55dBm～+ the power test scope of 20dBm.
At present, common luminous power is in respect of hand-held and desk-top two kinds.Two kinds of power meters have his own strong points comparatively speaking, and its limitation is also respectively arranged.Easy to carry such as hand-held, price is lower, but function is less, needs powered battery, and performance is general.And desk-top function is more, better performances, but carry inconvenience, price is more expensive.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art; A kind of preferable performance that both had is provided, takes into account portable performance again, can cooperate PC to use and realize powerful luminous power measuring ability; And with low cost, range of application realizes the device that luminous power detects in the fiber optic network comparatively widely.
In order to realize above-mentioned purpose, realize in the fiber optic network of the present invention that the device that luminous power detects has following formation:
This device comprises PIN type photodiode, signal conversion unit, processor unit and USB port; The current signal output end of described PIN type photodiode connects described processor unit through described signal conversion unit, and the input end of this PIN type photodiode connects outside tested optical fiber; Described USB port is connected between described processor unit and the outside host computer.
Realize in the device of luminous power detection in this fiber optic network; Described signal conversion unit comprises current-to-voltage converting circuit, programme-controlled gain amplifying circuit and analog to digital conversion circuit, and the current signal output end of described PIN type photodiode is connected described processor unit through described current-to-voltage converting circuit, programme-controlled gain amplifying circuit in proper order with analog to digital conversion circuit.
Realize in this fiber optic network that described pick-up unit also comprises the range control module in the device of luminous power detection, described range control module connects described programme-controlled gain amplifying circuit and processor unit respectively.
Realize in this fiber optic network that described pick-up unit also comprises the wavelength set unit in the device of luminous power detection, described wavelength set unit is connected described outside host computer through described processor unit with USB port.
Realize in this fiber optic network that the wavelength set value of described wavelength set unit is 850nm, 980nm, 1310nm, 1490nm or 1550nm in the device of luminous power detection.
Realize in this fiber optic network that described pick-up unit also comprises shell in the device of luminous power detection, described signal conversion unit and processor unit are arranged in the described shell, and described shell is an iron shell.
Realize in this fiber optic network that described pick-up unit also comprises pilot lamp in the device of luminous power detection, described pilot lamp is arranged on the described shell, and connects described processor unit.
Realize in this fiber optic network that described pick-up unit also comprises reset key in the device of luminous power detection, described reset key is arranged on the described shell, and connects described processor unit.
Realize in this fiber optic network that described processor unit is a single-chip microcomputer in the device of luminous power detection, described single-chip microcomputer connects the output terminal and the described USB port of described signal conversion unit respectively.
Realize in this fiber optic network that the output terminal of described signal conversion unit is connected in described single-chip microcomputer through a filtering circuit in the device of luminous power detection.
Adopted and realized the device that luminous power detects in the fiber optic network of this invention; Because it comprises PIN type photodiode, signal conversion unit, processor unit and USB port; The current signal output end of described PIN type photodiode connects described processor unit through described signal conversion unit, and the input end of this PIN type photodiode connects outside tested optical fiber; Described USB port is connected between described processor unit and the outside host computer; Thereby can connect PC as host computer through the USB line easily; Cooperate PC to use and realize powerful luminous power measuring ability, and realize the simple in structure of device that luminous power detects in the fiber optic network of the present invention, portable performance is good; Cost is comparatively cheap, and range of application is also comparatively extensive.
Description of drawings
Fig. 1 is a structural representation of realizing the device that luminous power detects in the fiber optic network of the present invention.
Embodiment
In order more to be expressly understood the technological page of the present invention, the special following examples of lifting specify.See also shown in Figure 1ly, be to realize in the fiber optic network of the present invention the structural representation of the device that luminous power detects.In one embodiment; Realize in the fiber optic network that the device that luminous power detects comprises PIN type photodiode, signal conversion unit, processor unit and USB port; The current signal output end of described PIN type photodiode connects described processor unit through described signal conversion unit, and the input end of this PIN type photodiode connects outside tested optical fiber; Described USB port is connected between described processor unit and the outside host computer.Wherein, Described signal conversion unit comprises current-to-voltage converting circuit, programme-controlled gain amplifying circuit and analog to digital conversion circuit, and the current signal output end of described PIN type photodiode is connected described processor unit through described current-to-voltage converting circuit, programme-controlled gain amplifying circuit in proper order with analog to digital conversion circuit.
In a kind of more preferably embodiment, described pick-up unit also comprises the range control module, and described range control module connects described programme-controlled gain amplifying circuit and processor unit respectively.
More preferably in the embodiment, described pick-up unit also comprises the wavelength set unit at another kind, and described wavelength set unit is connected described outside host computer through described processor unit with USB port.The wavelength set value of described wavelength set unit is 850nm, 980nm, 1310nm, 1490nm or 1550nm.
More preferably in the embodiment, described pick-up unit also comprises shell, pilot lamp and reset key at another, and described signal conversion unit and processor unit are arranged in the described shell, and described shell is an iron shell.Described pilot lamp and reset key all are arranged on the described shell, and all connect described processor unit.
In a kind of preferred embodiment; Described processor unit is a single-chip microcomputer; Described single-chip microcomputer connects the output terminal and the described USB port of described signal conversion unit respectively, and the output terminal of described signal conversion unit is connected in described single-chip microcomputer through a filtering circuit
In practical application, optical power detection apparatus of the present invention is transferred to host computer with measurement result through USB by the PIN photodiode receiving optical signals, and the operation of intelligent object is undertaken by upper computer software.Host computer shows measurement result.This intelligent object volume is little, easy to use, during measurement, as long as connect the USB line that links to each other with host computer.Power supply is provided by USB.
The technical indicator that realizes the device that luminous power detects in the fiber optic network of the present invention is as shown in the table:
| Operation wavelength (nm) | 850、980、1310、1490、1550 |
| The probe type | InGaAs |
| Investigative range (dBm) | -60～+3 |
| The unit of display | dBm/db/xW |
| Communication interface | USB |
| Power supply | By USB (DC:5V) is provided |
| Working temperature (℃) | -10～+40 |
| Storing temperature (℃) | -25～+70 |
| Apparent size (mm) | 80*50*30 |
Table 1 optical power detection apparatus technical indicator table
Pick-up unit of the present invention is by PIN pipe receiving optical signals and convert current signal output to, is transformed into voltage signal through current-voltage conversion and programme-controlled gain amplifying circuit, becomes digital signal to give single-chip microcomputer through analog-to-digital conversion circuit and handles.The usb communication interface circuit is responsible for communicating by letter with PC, and system power supply is provided by the USB of PC.Shell is selected iron-clad for use, thereby improves anti-electromagnetic interference capability, and can improve physical strength.
Pick-up unit of the present invention can be realized following function:
1, communicates by letter with host computer, receive the order of host computer, send real-time measuring data to host computer;
2, the enlargement factor (range) of control programme-controlled gain amplifying circuit;
3, read and the output data of A/D is carried out Filtering Processing, finally calculate the numerical value of real-time luminous power.
Pick-up unit of the present invention cooperates host computer can realize following major function:
1, friendly interface is provided, shows information such as measurement data;
2, carry out usb communication with intelligent object;
3, intelligent object is provided with (wavelength selection, mode of operation selection etc.);
4, storage data;
5, print data.
When using device of the present invention, only need optical power detection apparatus of the present invention to be linked to each other with host computer with a USB line, open host computer and can realize measuring.All function settings all can be operated through upper computer software.
The principal feature of device of the present invention is: volume is little, and is easy to use, during measurement; As long as connect the USB line that links to each other with host computer; Do not need battery and other additional power source, and the operation of device is undertaken by upper computer software, upper function shows measurement result, storage data, print data.
Adopted and realized the device that luminous power detects in the fiber optic network of this invention; Because it comprises PIN type photodiode, signal conversion unit, processor unit and USB port; The current signal output end of described PIN type photodiode connects described processor unit through described signal conversion unit, and the input end of this PIN type photodiode connects outside tested optical fiber; Described USB port is connected between described processor unit and the outside host computer; Thereby can connect PC as host computer through the USB line easily; Cooperate PC to use and realize powerful luminous power measuring ability, and realize the simple in structure of device that luminous power detects in the fiber optic network of the present invention, portable performance is good; Cost is comparatively cheap, and range of application is also comparatively extensive.
In this instructions, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (10)
1. realize the device that luminous power detects in a fiber optic network; It is characterized in that; Described device comprises PIN type photodiode, signal conversion unit, processor unit and USB port; The current signal output end of described PIN type photodiode connects described processor unit through described signal conversion unit, and the input end of this PIN type photodiode connects outside tested optical fiber; Described USB port is connected between described processor unit and the outside host computer.
2. realize the device that luminous power detects in the fiber optic network according to claim 1; It is characterized in that; Described signal conversion unit comprises current-to-voltage converting circuit, programme-controlled gain amplifying circuit and analog to digital conversion circuit, and the current signal output end of described PIN type photodiode is connected described processor unit through described current-to-voltage converting circuit, programme-controlled gain amplifying circuit in proper order with analog to digital conversion circuit.
3. realize the device that luminous power detects in the fiber optic network according to claim 2, it is characterized in that described pick-up unit also comprises the range control module, described range control module connects described programme-controlled gain amplifying circuit and processor unit respectively.
4. realize the device that luminous power detects in the fiber optic network according to claim 1; It is characterized in that; Described pick-up unit also comprises the wavelength set unit, and described wavelength set unit is connected described outside host computer through described processor unit with USB port.
5. realize the device that luminous power detects in the fiber optic network according to claim 4, it is characterized in that the wavelength set value of described wavelength set unit is 850nm, 980nm, 1310nm, 1490nm or 1550nm.
6. realize the device that luminous power detects in the fiber optic network according to claim 1, it is characterized in that described pick-up unit also comprises shell, described signal conversion unit and processor unit are arranged in the described shell, and described shell is an iron shell.
7. realize the device that luminous power detects in the fiber optic network according to claim 6, it is characterized in that described pick-up unit also comprises pilot lamp, described pilot lamp is arranged on the described shell, and connects described processor unit.
8. realize the device that luminous power detects in the fiber optic network according to claim 6, it is characterized in that described pick-up unit also comprises reset key, described reset key is arranged on the described shell, and connects described processor unit.
9. according to realizing the device that luminous power detects in each described fiber optic network in the claim 1 to 8; It is characterized in that; Described processor unit is a single-chip microcomputer, and described single-chip microcomputer connects the output terminal and the described USB port of described signal conversion unit respectively.
10. realize the device that luminous power detects in the fiber optic network according to claim 9, it is characterized in that the output terminal of described signal conversion unit is connected in described single-chip microcomputer through a filtering circuit.
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| CN201210226377XA CN102735335A (en) | 2012-07-02 | 2012-07-02 | Device for realizing optical power detection in optical fiber network |
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| CN201210226377XA CN102735335A (en) | 2012-07-02 | 2012-07-02 | Device for realizing optical power detection in optical fiber network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949964A (en) * | 2017-04-25 | 2017-07-14 | 杭州博源光电科技有限公司 | A kind of miniature light power meter for supporting multiple communication modes |
| CN107037693A (en) * | 2016-10-28 | 2017-08-11 | 张家港奇点光电科技有限公司 | A kind of new UVLED exposure light source uniformity real-time testing systems |
| CN113418602A (en) * | 2021-08-23 | 2021-09-21 | 深圳市力子光电科技有限公司 | Optical power meter circuit and optical power meter |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6217621A (en) * | 1985-07-17 | 1987-01-26 | Shimadzu Corp | Optical power meter |
| JP2002296110A (en) * | 2001-03-30 | 2002-10-09 | Hitachi Kokusai Electric Inc | Optical level monitoring device |
| CN2814813Y (en) * | 2005-07-19 | 2006-09-06 | 北京信诺光维科技发展有限公司 | Optical network comprehensive tester |
| CN101527599A (en) * | 2009-03-31 | 2009-09-09 | 成都优博创技术有限公司 | Method for measuring burst mode light power and device thereof |
| CN201429496Y (en) * | 2009-04-22 | 2010-03-24 | 上海胜诺通信技术有限公司 | Multifunctional optical fiber test instrument |
| CN201680907U (en) * | 2010-05-28 | 2010-12-22 | 桂林电子科技大学 | Dual-purpose optical power meter |
| CN102252752A (en) * | 2011-05-04 | 2011-11-23 | 清华大学 | Portable universal serial bus (USB) optical power meter |
-
2012
- 2012-07-02 CN CN201210226377XA patent/CN102735335A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6217621A (en) * | 1985-07-17 | 1987-01-26 | Shimadzu Corp | Optical power meter |
| JP2002296110A (en) * | 2001-03-30 | 2002-10-09 | Hitachi Kokusai Electric Inc | Optical level monitoring device |
| CN2814813Y (en) * | 2005-07-19 | 2006-09-06 | 北京信诺光维科技发展有限公司 | Optical network comprehensive tester |
| CN101527599A (en) * | 2009-03-31 | 2009-09-09 | 成都优博创技术有限公司 | Method for measuring burst mode light power and device thereof |
| CN201429496Y (en) * | 2009-04-22 | 2010-03-24 | 上海胜诺通信技术有限公司 | Multifunctional optical fiber test instrument |
| CN201680907U (en) * | 2010-05-28 | 2010-12-22 | 桂林电子科技大学 | Dual-purpose optical power meter |
| CN102252752A (en) * | 2011-05-04 | 2011-11-23 | 清华大学 | Portable universal serial bus (USB) optical power meter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037693A (en) * | 2016-10-28 | 2017-08-11 | 张家港奇点光电科技有限公司 | A kind of new UVLED exposure light source uniformity real-time testing systems |
| CN106949964A (en) * | 2017-04-25 | 2017-07-14 | 杭州博源光电科技有限公司 | A kind of miniature light power meter for supporting multiple communication modes |
| CN113418602A (en) * | 2021-08-23 | 2021-09-21 | 深圳市力子光电科技有限公司 | Optical power meter circuit and optical power meter |
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Application publication date: 20121017 |