CN206601507U - A kind of time delay optical fiber device of adjustable time length - Google Patents
A kind of time delay optical fiber device of adjustable time length Download PDFInfo
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- CN206601507U CN206601507U CN201720272207.3U CN201720272207U CN206601507U CN 206601507 U CN206601507 U CN 206601507U CN 201720272207 U CN201720272207 U CN 201720272207U CN 206601507 U CN206601507 U CN 206601507U
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- photoswitch
- optic loop
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Abstract
The utility model proposes a kind of time delay optical fiber device of adjustable time length, including：Photoswitch signal end connecting laser signal end, laser signal output end connects optical modulator, fiber optic loop one end connects optical modulator signal transmitting terminal, the fiber optic loop other end connects photo-detector optical signal receiving terminal, substrate is placed in enclosure interior, fiber optic loop is installed in substrate side, laser is installed in substrate another side, optical modulator, photo-detector and light ring flange, light ring flange sets N number of optical fiber connecting pole, on the optical fiber that one optical fiber connecting pole is connected to fiber optic loop, fiber optic loop is changed to the structure that drawing out type shortens length by fixed structure, it is easy to increase and decrease as needed, it is combined into required time delay.
Description
Technical field
The utility model is related to electromechanical optical field, more particularly to a kind of time delay optical fiber device of adjustable time length.
Background technology
Fibre delay line realizes the delay of signal using the length of optical fiber, but optical fiber ring length once it is determined that, optical fiber prolongs
The time delay of slow line also determines that, it is impossible to expanded again, is great waste to having put into.And for needing difference
Time delayed signal, it is necessary to make different fibre delay lines, optical fiber once it is determined that, it is impossible to change, it is impossible to done according to user's request
Go out change, and existing delay circuit assembly structure design is unreasonable, in addition existing fiber-optic signal circuit job insecurity.
This just needs those skilled in the art badly and solves corresponding technical problem.
Utility model content
The utility model is intended at least solve technical problem present in prior art, and especially innovatively proposing one kind can
The time delay optical fiber device of regulating time length.
In order to realize above-mentioned purpose of the present utility model, the utility model provides a kind of delay of adjustable time length
Fiber device, including：Laser 8, optical modulator 2, photoswitch 6, fiber optic loop 11, light ring flange 7, photo-detector 9；
The signal end of 6 signal end connecting laser of photoswitch 8, the signal output part of laser 8 connection optical modulator 2, fiber optic loop
11 one end connect the signal transmitting terminal of optical modulator 2, the other end of the fiber optic loop 11 connection optical signal receiving terminal of photo-detector 9, in housing
Substrate is placed in inside, and fiber optic loop 11 is installed in substrate side, and laser 8, optical modulator 2, optical detection are installed in substrate another side
Device 9 and light ring flange 7, other fiber optic loops 11 are connected on light ring flange 7 by fibre-optical splice, and the quantity of photoswitch 6 is M, plus
New fiber optic loop is carried on light ring flange, a corresponding photoswitch connects the new fiber optic loop, wherein M is more than or equal to 2.
Above-mentioned technical proposal has the beneficial effect that：Realize that the increase and decrease of delay time is controlled by increasing and decreasing fiber optic loop, the device
Structure can flexibly increase and decrease delay time, and unnecessary waste is caused without setting optical fiber long.
The time delay optical fiber device of described adjustable time length, it is preferred that also including optical modulator drive device 3；
Electric input interface 13 connects optical modulator 2, and electric signal is modulated to the laser carrier of laser generation by optical modulator
On, it is transported to fiber optic loop.
The time delay optical fiber device of described adjustable time length, it is preferred that also including electric amplifier 10；Photo-detector 9
Signal output part connects the signal input part of electric amplifier 10, the signal output part of electric amplifier 10 connection electricity output interface 14.
Above-mentioned technical proposal has the beneficial effect that：Due to having certain energy attenuation after photo-detector output, electricity is installed
The problem of can be good at solving decay after amplifier, it is ensured that the stabilization of electric signal transmitting is normal.
The time delay optical fiber device of described adjustable time length, it is preferred that also including photoswitch control panel 4；
The signal receiving end of the signal end of photoswitch 6 connection photoswitch control panel 4.
The time delay optical fiber device of described adjustable time length, it is preferred that also including handle 12, in the device front panel
Two handles 12 are installed at place, are conveniently lifted and are taken, are bolted in the corner of the device internal base plate in the device
Portion.
The time delay optical fiber device of described adjustable time length, it is preferred that also including delay chip：Delay chip light is opened
Close control end and connect M photoswitch signal end.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
For the defect of current fibre delay line：Scalability is not improved, and fiber optic loop is changed to by fixed structure
Drawing out type shortens the structure of length, is easy to increase and decrease as needed, required time delay is combined into, so as to expand light significantly
The use scope of fine delay line product.
Intermodule is connected with calculating the optical fiber of length by the light ring flange in module housing；Shell draws control simultaneously
Line processed is connected with delay control system.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein：
Fig. 1 is the utility model general illustration；
Fig. 2 is the utility model delay time controller circuit schematic diagram；
Fig. 3 is the utility model time delay optical fiber apparatus structure schematic diagram；
Fig. 4 is the utility model time delay optical fiber device front schematic view；
Fig. 5 is the utility model time delay optical fiber device backboard schematic diagram；
Fig. 6 is the time delay module schematic diagram that the utility model time delay optical fiber device carries fiber optic loop.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", " preceding ",
The orientation or position relationship of the instruction such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are based on attached
Orientation or position relationship shown in figure, are for only for ease of description the utility model and are described with simplified, rather than indicate or imply
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of utility model.
In description of the present utility model, unless otherwise prescribed with restriction, it is necessary to explanation, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be the company of mechanical connection or electrical connection or two element internals
It is logical, can be joined directly together, can also be indirectly connected to by intermediary, for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term as the case may be.
As a shown in Figure 6, a kind of time delay optical fiber device of adjustable time length, including：Laser 8, optical modulator 2,
Photoswitch 6, fiber optic loop 11, light ring flange 7, photo-detector 9；
The signal end of 6 signal end connecting laser of photoswitch 8, the signal output part of laser 8 connection optical modulator 2, fiber optic loop
11 one end connect the signal transmitting terminal of optical modulator 2, the other end of the fiber optic loop 11 connection optical signal receiving terminal of photo-detector 9, in housing
Substrate is placed in inside, and fiber optic loop 11 is installed in substrate side, and laser 8, optical modulator 2, optical detection are installed in substrate another side
Device 9 and light ring flange 7, other fiber optic loops 11 are connected on light ring flange 7 by fibre-optical splice, and the quantity of photoswitch 6 is M, plus
New fiber optic loop is carried on light ring flange, a corresponding photoswitch connects the new fiber optic loop, and wherein M number is identical and is more than
Equal to 2.Said apparatus is time delay module.As shown in figure 3, increase delay time needs to increase fiber optic loop, the light of each fiber optic loop
Fibre is attached by the fibre-optical splice on light ring flange 7, and after connection, photoswitch 6 controls increased fiber optic loop.
The time delay optical fiber device of described adjustable time length, it is preferred that also including optical modulator drive device 3；
Electric input interface 13 connects optical modulator 2, and optical modulator signal transmitting terminal connects optical modulator drive device 3 to light
Fine ring 11 carries out lasing operation.
The time delay optical fiber device of described adjustable time length, it is preferred that also including electric amplifier 10；Photo-detector 9
Signal output part connects the signal input part of electric amplifier 10, the signal output part of electric amplifier 10 connection electricity output interface 14.
As shown in figure 3, the time delay optical fiber device of described adjustable time length, it is preferred that also including photoswitch control
Plate 4；
The signal receiving end of the signal end of photoswitch 6 connection photoswitch control panel 4.Wherein power supply and control signal interface 5 are received
With transmission external command.
As shown in figure 4, the time delay optical fiber device of described adjustable time length, it is preferred that also including handle 12, at this
Two handles 12 are installed at device front panel, conveniently lifts and takes, be bolted in the corner of the device internal base plate
Inside the device.The handle is airflow design, is difficult to scrape hand, safe and reliable.
As shown in Fig. 2 the time delay optical fiber device of described adjustable time length, it is preferred that also including delay chip：Prolong
When chip photoswitch control end connect M photoswitch signal end.Wherein pin P1.3 to P1.6 is that the connection of photoswitch signal end is drawn
Pin, delay chip operating voltage is 3.3V, and external signal is received by bus form, if necessary to increase time delay module, then phase
The connection photoswitch signal pins answered.
Delay chip as shown in Figure 2 is C8051F32, and delay chip plays a part of being that time delay module links together,
Delay operation is carried out, it is the integration of time delayed signal, the not renewal on software.
Fig. 3 to Fig. 5 label 1 is power switch, 2 is optical modulator, 3 is optical modulator drive device, 4 is photoswitch control
Making sheet, 5 be power supply and control signal interface, 6 be photoswitch, 7 be light ring flange, 8 lasers, 9 be photo-detector, 10 be that electricity is put
Big device, 11 be fiber optic loop, 12 be handle, 13 be electric input interface, 14 be electricity output interface.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle of the present utility model and objective, replaced
And modification, scope of the present utility model limits by claim and its equivalent.
Claims (6)
1. a kind of time delay optical fiber device of adjustable time length, it is characterised in that including：Laser（8）, optical modulator（2）、
Photoswitch（6）, fiber optic loop（11）, light ring flange（7）, photo-detector（9）；
Photoswitch（6）Signal end connecting laser（8）Signal end, laser（8）Signal output part connects optical modulator（2）, light
Fine ring（11）One end connects optical modulator（2）Signal transmitting terminal, fiber optic loop（11）The other end connects photo-detector（9）Optical signal connects
Receiving end, substrate is placed in enclosure interior, and fiber optic loop is installed in substrate side（11）, laser is installed in substrate another side（8）, light
Modulator（2）, photo-detector（9）With light ring flange（7）, other fiber optic loops（11）Light ring flange is connected to by fibre-optical splice
（7）On, photoswitch（6）Quantity is M, loads new fiber optic loop on light ring flange, it is new that a corresponding photoswitch connects this
Fiber optic loop, wherein M number be more than or equal to 2.
2. the time delay optical fiber device of adjustable time length according to claim 1, it is characterised in that also including light modulation
Device drive device（3）；
Electric input interface（13）Connect optical modulator（2）, optical modulator by electric signal be modulated to laser generation laser carrier
On, it is transported to fiber optic loop.
3. the time delay optical fiber device of the adjustable time length according to claim any one of 1-2, it is characterised in that also wrap
Include electric amplifier（10）；Photo-detector（9）Signal output part connects electric amplifier（10）Signal input part, electric amplifier（10）Letter
Number output end connection electricity output interface（14）.
4. the time delay optical fiber device of the adjustable time length according to claim any one of 1-2, it is characterised in that also wrap
Include photoswitch control panel（4）；
Photoswitch（6）Signal end connects photoswitch control panel（4）Signal receiving end.
5. the time delay optical fiber device of adjustable time length according to claim 1, it is characterised in that also including handle
（12）, two handles are installed at the device front panel（12）, conveniently lift and take, lead in the corner of the device internal base plate
Cross and be bolted to inside the device.
6. the time delay optical fiber device of adjustable time length according to claim 1, it is characterised in that also including delay core
Piece：Delay chip photoswitch control end connects M photoswitch signal end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720272207.3U CN206601507U (en) | 2017-03-20 | 2017-03-20 | A kind of time delay optical fiber device of adjustable time length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720272207.3U CN206601507U (en) | 2017-03-20 | 2017-03-20 | A kind of time delay optical fiber device of adjustable time length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206601507U true CN206601507U (en) | 2017-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720272207.3U Active CN206601507U (en) | 2017-03-20 | 2017-03-20 | A kind of time delay optical fiber device of adjustable time length |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510665A (en) * | 2018-12-05 | 2019-03-22 | 中航光电科技股份有限公司 | A kind of adjustable delay combination optical transmission system of ultra wide band |
| CN109752801A (en) * | 2018-12-26 | 2019-05-14 | 华中科技大学 | The reconfigurable optical delay line system of one mode multiplexing |
-
2017
- 2017-03-20 CN CN201720272207.3U patent/CN206601507U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510665A (en) * | 2018-12-05 | 2019-03-22 | 中航光电科技股份有限公司 | A kind of adjustable delay combination optical transmission system of ultra wide band |
| CN109752801A (en) * | 2018-12-26 | 2019-05-14 | 华中科技大学 | The reconfigurable optical delay line system of one mode multiplexing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211108 Address after: 400060 No. 2-4, building 8, No. 18, optical circuit, Nan'an District, Chongqing Patentee after: Chongqing Yuyi Technology Co.,Ltd. Address before: No. 2106, 21 / F, building 1, No. 69, Tianfu Third Street, high tech Zone, Chengdu, Sichuan 610041 Patentee before: CHENGDU SIGMA PHOTOELECTRIC TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |