CN208797950U - A kind of optical fiber link power loss test device - Google Patents
A kind of optical fiber link power loss test device Download PDFInfo
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- CN208797950U CN208797950U CN201821708303.9U CN201821708303U CN208797950U CN 208797950 U CN208797950 U CN 208797950U CN 201821708303 U CN201821708303 U CN 201821708303U CN 208797950 U CN208797950 U CN 208797950U
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Abstract
The utility model provides a kind of optical fiber link power loss test device, light source including board and set on board surface, first photoswitch, fiber adapter, first fibre distribution frame, second fibre distribution frame, second photoswitch and light power meter, the output port of light source is connect by optical patchcord with the input port of the first photoswitch, the first output port and second output terminal mouth of first photoswitch pass through the input interface connection of the input optical fibre connector and the first fibre distribution frame of optical patchcord and fiber adapter respectively, for connecting testing fiber link between the output interface of first fibre distribution frame and the input interface of the second fibre distribution frame, the output optical fibre connector of fiber adapter and the output interface of the second fibre distribution frame pass through optical patchcord respectively and connect with the first input port of the second photoswitch and the second input port, second light The output port of switch is connect by optical patchcord with light power meter.The application can easily test power loss in optical fiber link.
Description
Technical field
The utility model relates to power loss the field of test technology, and in particular to a kind of optical fiber link power loss test dress
It sets.
Background technique
Optical fiber link is to utilize the link of Fibre Optical Communication Technology transmission sound, image and data-signal, optical fiber link principle
It is the interconnection level that network is realized with a variety of different optical means, so that it may obtain the free space of various different topology structures
Optical interconnection network.Generally by optical transmitter (electric to optic converter), optical fiber, photoreceiver (optical electrical converter) and other required
Optical device (such as image intensifer, optical connector, optical splitter and optical attenuator) composition.Therefore in optical fiber link, transmission
Medium is optical fiber, and what process was walked is physical link.
Wherein, the optical signal in optical fiber link is after optical fiber transmits, that can cause optical power due to absorbing, scatter etc.
Reducing is fibre loss, and so-called fibre loss refers to that the decaying on optical fiber per unit length, fibre loss are the weights of optical fiber transmission
Index is wanted, has conclusive influence to the transmission range of fiber optic communication, and the height of fibre loss directly affects transmission range
Or therefore the distance of repeater spacing distance understands and the loss for reducing optical fiber has major and immediate significance to fiber optic communication.
Accordingly, how the power loss in optical fiber link is tested, becomes current urgent problem to be solved.
Utility model content
There is major and immediate significance to fiber optic communication for reducing optical fiber link loss for existing, thus urgently to light
The technical issues of power loss is tested in fine link, the utility model provide a kind of optical fiber link power loss test dress
It sets.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:
A kind of optical fiber link power loss test device, including board, the surface of the board are fixedly installed light source,
One photoswitch, fiber adapter, the first fibre distribution frame, the second fibre distribution frame, the second photoswitch and light power meter, the light
The output port in source is connect by the first optical patchcord with the input port of the first photoswitch, and the first of first photoswitch is defeated
Exit port is connected by the input optical fibre connector of the second optical patchcord and fiber adapter, the second output of first photoswitch
Port is connect by third optical patchcord with the input interface of the first fibre distribution frame, and the output of first fibre distribution frame connects
For connecting testing fiber link, the output optical fibre of the fiber adapter between mouth and the input interface of the second fibre distribution frame
Connector is connect by the 4th optical patchcord with the first input port of the second photoswitch, and the output of second fibre distribution frame connects
Mouth is connect by the 5th optical patchcord with the second input port of the second photoswitch, and the output port of second photoswitch passes through
Six fibers wire jumper is connect with light power meter.
Compared with prior art, optical fiber link power loss test device provided by the utility model, before test first
The both ends of testing fiber link are connected respectively to the input of the output interface and the second fibre distribution frame of the first fibre distribution frame
On interface, when specifically testing optical fiber link power loss, first by the input port of the first photoswitch switch to
The connection of first output port, and the first input port of the second photoswitch is switched to and is connected to output port, that is, allow light source logical
It crosses the first photoswitch, fiber adapter and the second photoswitch and light power meter is attached, measure this secondly by light power meter
When optical power value need to press the reference point key on light power meter at this time, press and using the optical power value as reference point
Zero is shown as on later light power meter screen；Then the input port of the first photoswitch is switched to and is connected with second output terminal mouth
It is logical, and the second input port of the second photoswitch is switched to and be connected to output port, that is, allow light source to pass through the first photoswitch, the
One fibre distribution frame, testing fiber link, the second fibre distribution frame and the second photoswitch and light power meter are attached, and are then led to
Cross the power loss value that the optical power value that light power meter measures is testing fiber link.This test device structure is simple, adopts
It can be realized with existing mechanism member, cost is relatively low, and can carry out measurement circuit by the first photoswitch and the second photoswitch
Free switching, thus test process is very convenient quick, has stronger practicability.
Further, the light source is laser light source or LED light source.
Further, first photoswitch is 1x2 mechanical optical switch, and second photoswitch is that the mechanical light of 2x1 is opened
It closes.
Further, the fiber adapter selects SC interface or FC Interface Fiber adapter.
Further, the light power meter selects FG510 series light power meter.
Detailed description of the invention
Fig. 1 is optical fiber link power loss schematic structural diagram of testing device provided by the utility model.
In figure, 1, light source；2, the first photoswitch；3, fiber adapter；4, the first fibre distribution frame；5, the second optical fiber distributing
Frame；6, the second photoswitch；7, light power meter；10, the first optical patchcord；20, the second optical patchcord；30, third optical patchcord；
40, the 4th optical patchcord；50, the 5th optical patchcord；60, six fibers wire jumper；100, testing fiber link.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
In the description of the present invention, it should be understood that term " longitudinal direction ", " radial direction ", " length ", " width ", " thickness
The side of the instructions such as degree ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.In the description of the present invention, unless otherwise indicated, " multiple " contain
Justice is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
It please refers to shown in Fig. 1, the utility model provides a kind of optical fiber link power loss test device, including board, institute
The surface for stating board is fixedly installed light source 1, the first photoswitch 2, fiber adapter 3, the first fibre distribution frame 4, the second optical fiber
The output port of distributing frame 5, the second photoswitch 6 and light power meter 7, the light source 1 passes through the first optical patchcord 10 and the first light
The input port of switch 2 connects, and the first output port of first photoswitch 2 passes through the second optical patchcord 20 and fiber adapters
The input optical fibre connector of device 3 connects, and the second output terminal mouth of first photoswitch 2 passes through third optical patchcord 30 and the first light
The input interface of fine distributing frame 4 connects, the input of the output interface of first fibre distribution frame 4 and the second fibre distribution frame 5
For connecting testing fiber link 100 between interface, the output optical fibre connector of the fiber adapter 3 passes through the 4th optical patchcord
40 connect with the first input port of the second photoswitch 6, and the output interface of second fibre distribution frame 5 is jumped by the 5th optical fiber
Line 50 is connect with the second input port of the second photoswitch 6, and the output port of second photoswitch 6 passes through six fibers wire jumper
60 connect with light power meter 7.
Compared with prior art, optical fiber link power loss test device provided by the utility model, before test first
The both ends of testing fiber link are connected respectively to the input of the output interface and the second fibre distribution frame of the first fibre distribution frame
On interface, when specifically testing optical fiber link power loss, first by the input port of the first photoswitch switch to
The connection of first output port, and the first input port of the second photoswitch is switched to and is connected to output port, that is, allow light source logical
It crosses the first photoswitch, fiber adapter and the second photoswitch and light power meter is attached, measure this secondly by light power meter
When optical power value need to press the reference point key on light power meter at this time, press and using the optical power value as reference point
Zero is shown as on later light power meter screen；Then the input port of the first photoswitch is switched to and is connected with second output terminal mouth
It is logical, and the second input port of the second photoswitch is switched to and be connected to output port, that is, allow light source to pass through the first photoswitch, the
One fibre distribution frame, testing fiber link, the second fibre distribution frame and the second photoswitch and light power meter are attached, and are then led to
Cross the power loss value that the optical power value that light power meter measures is testing fiber link.This test device structure is simple, adopts
It can be realized with existing mechanism member, cost is relatively low, and can carry out measurement circuit by the first photoswitch and the second photoswitch
Free switching, thus test process is very convenient quick, has stronger practicability.
As specific embodiment, the light source 1 is laser light source or LED light source, specifically when the light source 1 is laser light source
When, it is especially suitable for single mode optical fibers；When the light source 1 is LED light source, it is especially suitable for multimode fibres, it is possible thereby to
Satisfaction does not plant link test needs.
As specific embodiment, first photoswitch 2 is 1x2 mechanical optical switch, and second photoswitch 6 is 2x1
Mechanical optical switch, the construction of switch and on-off principle of the mechanical optical switch are known to those skilled in the art.Wherein,
The 1x2 mechanical optical switch indicates an input port and two output ports, it is possible thereby to realize the light of light source output
Signal free switching between fiber adapter and the first fibre distribution frame, it can the optical signal for determining light source output is transmission
Also be transmitted to the first fibre distribution frame to fiber adapter, the 2x1 mechanical optical switch indicate there are two input port and
One output port, it is possible thereby to realize the optical signal of light power meter input between fiber adapter and the second fibre distribution frame
Free switching, it can determine the optical signal of light power meter input still to match as the first optical fiber as fiber adapter
Coil holder.The present embodiment uses mechanical optical switch, and free switching thus can be carried out to the transmission line of optical signal, convenient and efficient,
Can select optical signal is specifically to transmit along fiber adapter, or pass along the first fibre distribution frame and the second fibre distribution frame
It is defeated.
As specific embodiment, the fiber adapter 3 selects SC interface or FC Interface Fiber adapter, and SC interface or
The specific structure of FC Interface Fiber adapter is known to those skilled in the art, thus can meet different optical patchcord connections
It needs.Specifically, the fiber adapter is called optical fiber connector, and the optical fiber connector is usage amount in optical fiber telecommunications system
Most optical passive components, most of optical fiber connector are made of three parts: two fibre-optical splices and a coupling
Device, two fibre-optical splices put into two optical patchcord tail ends, and coupler plays alignment sleeve, coupler polygamy have metal or
Nonmetallic flange, in order to which the installation of connector is fixed.In addition, the optical patchcord is to be routed chain from equipment to optical fiber for doing
The jumper on road has thicker protective layer, be typically employed in optical fiber telecommunications system, Optical Access Network, fibre optic data transmission and
Some fields such as local area network；The fibre distribution frame is that the wiring between optical cable and optical communication equipment or between optical communication equipment connects
Equipment is connect, is mainly used for the Cheng Duan of local side backbone optical cable and distribution in optical fiber telecommunications system, it is convenient to realize fibre circuit
Connection, distribution and scheduling；And the specific structure and function of the optical patchcord and fibre distribution frame have been those skilled in the art
Known, details are not described herein.
As specific embodiment, the light power meter 7 selects FG510 series light power meter, which has
It the advantages that testing range of ultra-wide, accurately measuring accuracy and completely new self-calibration function, is set using FC/SC/ST general-purpose interface
Meter, without complicated conversion when test, while also have the function of usb communication and data store, wavelength and frequency automatic identification etc., because
And absolute light power is measured especially suitable for the application or passes through the optical power relative loss factor of one section of optical fiber.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (5)
1. a kind of optical fiber link power loss test device, which is characterized in that including board, the surface of the board is fixedly installed
There are light source, the first photoswitch, fiber adapter, the first fibre distribution frame, the second fibre distribution frame, the second photoswitch and optical power
The output port of meter, the light source is connect by the first optical patchcord with the input port of the first photoswitch, and first light is opened
The first output port closed is connected by the input optical fibre connector of the second optical patchcord and fiber adapter, first photoswitch
Second output terminal mouth connect with the input interface of the first fibre distribution frame by third optical patchcord, first optical fiber distributing
For connecting testing fiber link, the fiber adapter between the output interface of frame and the input interface of the second fibre distribution frame
Output optical fibre connector connect with the first input port of the second photoswitch by the 4th optical patchcord, second optical fiber distributing
The output interface of frame is connect by the 5th optical patchcord with the second input port of the second photoswitch, second photoswitch it is defeated
Exit port is connect by six fibers wire jumper with light power meter.
2. optical fiber link power loss test device according to claim 1, which is characterized in that the light source is laser light
Source or LED light source.
3. optical fiber link power loss test device according to claim 1, which is characterized in that first photoswitch is
1x2 mechanical optical switch, second photoswitch are 2x1 mechanical optical switch.
4. optical fiber link power loss test device according to claim 1, which is characterized in that the fiber adapter choosing
With SC interface or FC Interface Fiber adapter.
5. optical fiber link power loss test device according to claim 1, which is characterized in that the light power meter is selected
FG510 series light power meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821708303.9U CN208797950U (en) | 2018-10-19 | 2018-10-19 | A kind of optical fiber link power loss test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821708303.9U CN208797950U (en) | 2018-10-19 | 2018-10-19 | A kind of optical fiber link power loss test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208797950U true CN208797950U (en) | 2019-04-26 |
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ID=66212106
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821708303.9U Active CN208797950U (en) | 2018-10-19 | 2018-10-19 | A kind of optical fiber link power loss test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132545A (en) * | 2019-05-05 | 2019-08-16 | 朱世国 | A kind of method of substitution fibre loss characteristic test test macro and method |
| CN112486877A (en) * | 2020-11-05 | 2021-03-12 | 中国航空工业集团公司西安航空计算技术研究所 | Outfield guarantee and test platform of universal FC conversion interface module |
-
2018
- 2018-10-19 CN CN201821708303.9U patent/CN208797950U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132545A (en) * | 2019-05-05 | 2019-08-16 | 朱世国 | A kind of method of substitution fibre loss characteristic test test macro and method |
| CN112486877A (en) * | 2020-11-05 | 2021-03-12 | 中国航空工业集团公司西安航空计算技术研究所 | Outfield guarantee and test platform of universal FC conversion interface module |
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