CN207601362U - A kind of space optical coupling device - Google Patents
A kind of space optical coupling device Download PDFInfo
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- CN207601362U CN207601362U CN201721201979.4U CN201721201979U CN207601362U CN 207601362 U CN207601362 U CN 207601362U CN 201721201979 U CN201721201979 U CN 201721201979U CN 207601362 U CN207601362 U CN 207601362U
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- optical fiber
- coupling device
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- macrobending
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Abstract
The utility model discloses a kind of space optical coupling device, including couple prism, collector lens, optical fiber and optical detector；The couple prism is used to receive the optical signal of optical cable macrobending leakage, and the collector lens is used to after optical signal is focused on be transmitted to optical fiber, and the optical signal that optical detector is used to transmit optical fiber detects.The space optical coupling device of the utility model can effectively acquire the optical signal that optical cable generates leakage due to macrobending, and space optical coupling device construction is compact, easy to operate and of low cost.
Description
Technical field
The utility model is related to a kind of optical communication equipment field more particularly to a kind of space optical coupling devices.
Background technology
At present, common carrier is to fiber resource management, the prior art be by manually verifying, by labelling mode into
Row management.With the continuous growth sharply increased with user to traffic capacity demands of number of users, the continuous dilatation of computer room, computer room
Interior optical fiber increases significantly, and the prior art is very difficult to the management of fiber resource.
But there are following defects for currently existing scheme：
(1) pass through its difficulty of management to fiber resource more of the mode of labelling；
(2) difficulty compared in data acquisition, and when optical fiber measurement is carried out, it is necessary in the feelings for stopping operation
Corresponding data acquisition could be carried out under condition.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of space optical coupling device,
Light path can be improved and verify flow, improve construction efficiency.
The purpose of this utility model adopts the following technical scheme that realization：
A kind of space optical coupling device, including couple prism and collector lens；The couple prism is macro for receiving optical cable
The optical signal of leakage is bent, and by the optical signal transmission to collector lens, the collector lens is used for after optical signal is focused on
It is transmitted at optical fiber pigtail.
Further, collimation lens is further included, the collimation lens is set between coupled lens and collector lens, described
Collimation lens is used to collimate the optical signal that couple prism couples.
Further, steering prism is further included, the prism that turns to is used for the optical signal transmission after collimating to optical fiber tail
At fibre.
Further, the optical fiber pigtail is more quadrant optical fiber pigtails, and more quadrant optical fiber pigtails include a single mode
Optical fiber and more root multimode fibers, are encapsulated in casing.
Further, optical detector is further included, the optical signal that the optical detector is used to transmit optical fiber is handled.
Further, the quantity of the optical detector has identical with the number of fibers in more quadrant optical fiber pigtails, and each
Optical detector is corresponded with the optical fiber in more quadrant optical fiber pigtails.
Further, the couple prism, collimation lens, steering prism and collector lens are packaged in coupling shell.
Further, optical cable macrobending module is further included, the optical cable macrobending module is set on coupling shell, described
Optical cable macrobending module is used to that optical cable macrobending to be caused to leak optical signal.
Further, fiber coupling adjustment mechanism is further included, the fiber coupling adjustment mechanism is fixed with coupling shell, institute
Fiber coupling adjustment mechanism is stated for carrying out three-dimensional regulation to the optical fiber pigtail.
Further, the couple prism is optics wedged plate, and the collector lens is glass aspheric lenses.
Compared with prior art, the beneficial effects of the utility model are：
The space optical coupling device of the utility model can effectively acquire the light letter that optical cable generates leakage due to bending
Number, and space optical coupling device construction is compact, easy to operate and of low cost.
Description of the drawings
Fig. 1 is the structure diagram of the space optical coupling device in embodiment one；
Fig. 2 is the schematic diagram of the optical cable macrobending module in embodiment two；
Fig. 3 is the schematic diagram of the optical detector of the utility model；
Fig. 4 is the left view of more quadrant optical fiber in embodiment one；
Fig. 5 is the front view of more quadrant optical fiber in embodiment one.
Reference numeral：1st, optical cable；11st, optical signal；2nd, couple prism；3rd, collector lens；4th, optical fiber pigtail；41st, single-mode optics
It is fine；42nd, 43,44 and 45 be multimode fibre；5th, optical detector；6th, optical cable bending module；7th, collimation lens；8th, prism is turned to；
9th, shell is coupled；10th, optical fiber pigtail driving device.
Specific embodiment
In the following, with reference to attached drawing and specific embodiment, the utility model is described further, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
Embodiment one：
As shown in Figure 1, a kind of space optical coupling device is present embodiments provided, including couple prism 2, collector lens 3, light
Fine tail optical fiber 4 and optical detector 5；Here the purpose that couple prism 2 is set is to couple the light letter for collecting the leakage of 1 macrobending of optical cable
Numbers 11, so the couple prism 2 is the matched optics wedged plate of optical delivery or is that the prisms of other forms can；Institute
Couple prism 2 is stated for, because the light beam that macrobending leaks carries out shaping, the collimation lens 7 to be accurate by the light beam after shaping to optical cable
Directly, the prism 8 that turns to is for changing the spatial direction of collimated light beam and by the beam Propagation to collector lens 3；
The collector lens 3 be glass aspheric lenses, and the main purpose of the collector lens 3 be will be from coupling
The scattering light of prism 2 is focused into small hot spot, and the optical signal 11 is coupled into the single mode optical fiber 41 of more quadrant optical fiber pigtails
Inside it is transmitted；
As shown in Figure 4 and Figure 5, the optical fiber pigtail 4 is more quadrant optical fiber pigtails, and more quadrant optical fiber pigtails include one
Root single mode optical fiber and more root multimode fibers, are encapsulated in casing.It compares preferred embodiment, is surround using four root multimode fibers
Single mode optical fiber setting.Single mode optical fiber 41 can transmit the optical signal 11 of single-mode, and the single mode optical fiber 41 can allow coupling
Light in into it is transmitted wherein, and the wavelength of transmission is generally 1.3 microns, 1.4 microns and 1.5 microns these three wave bands,
But also it is not limited only to the light of this three wave band；It can also be the optical signal of its all band.
As shown in Figure 1, the optical detector 5 is more quadrant optical detectors；The optical detector 5 is used to receive single mode optical fiber 41
And the optical signal 11 that multimode fibre 42,43,44,45 transmits, the optical signal 11 received can be converted to electric signal, may be used also
Faint optical signal 11 is carried out direct light amplification, so that other corollary systems is coordinated to be read out and handle；For it
His mating Hardware ＆ software system carries out algorithm process and provides technical support.The quantity of the optical detector 5 has and more quadrants
Number of fibers in optical fiber pigtail is identical, and each optical detector 5 is corresponded with the optical fiber in more quadrant optical fiber pigtails.It is described
More quadrant tail optical fibers in each tail optical fiber with and number each optical detector collocation connection, can by rational algorithm
It realizes focal beam spot drift and variation caused by many factors such as vibration, realizes automatic tracing, it is ensured that space optical coupling device
It is in Best Coupling state at any time；
Coupling shell is further included, which is used to install above-mentioned couple prism 2 and collector lens 3 so that its shape
Into an entirety, in addition to installing the couple prism 2 and collector lens 3, optical fiber pigtail 4 and optical detector 5 can also also be set
It is placed on the coupling shell；Again since space optical coupling system 3 uses integration packaging form and more quadrant optical fiber pigtails 4 to apply,
So that present apparatus tool constructs a series of advantage such as compact, easy to operate and of low cost, operator is greatly reduced for light
The census operations of fine information, improves work efficiency.
In summary, the couple prism 2 is used to receive the optical signal 11 of 1 macrobending of optical cable leakage, the collector lens 3
For being transmitted to optical fiber pigtail 4 after optical signal 11 is focused on, optical detector 5 be used for the optical signal 11 that optical fiber pigtail 4 transmits into
Row is detected and is handled accordingly.
Above-mentioned space optical coupling device can collect the micro- of the leakage of macrobending optical cable 1 in the case where optical fiber is not out of commission
Low light signals 11, and couple it in optical fiber pigtail 4, and received by optical detector 5, it is carried out by connecting other corollary systems
Signal processing, thus intelligent measurement and the relevant information for changing optical cable in computer room at any time.The light warp leaked due to macrobending optical cable 1
Couple prism 2 carries out coupling collection, then enters optical fiber pigtail 4 after being focused on by collector lens 3, is finally detected by optical detector 5
To the relevant information of the optical signal 11 so that present apparatus tool constructs a series of advantage such as compact, easy to operate and of low cost,
Census operations of the operator for fiber information is greatly reduced, is improved work efficiency.
Embodiment two：
As shown in Fig. 2, present embodiments providing optical cable bending module 6, the optical cable bending module 6 is used to drive optical cable 1
It is bent, macrobending optical cable 1 is to carry out optical cable on fibre distribution frame by optical cable bending module 6 to be bent so that optical cable 1
The optical signal 11 of macrobending leakage, macrobending optical cable 1 are stable so as to lock by the way that bending mechanism is driven to realize macrobending automatically
Light output finally needs to ensure that bending loss is not more than 1dB.
Jumper wire optical cable on fibre distribution frame 1 can be bent by optical cable bending module 6.Pass through manual identified optical cable type
Number, equipment will drive optical cable to be bent module automatically after input；It links simultaneously with space optical coupling device, locks stable light
Output also ensures that bending loss is not more than 1dB.The attribute of optical cable：3 millimeters of flexible-cables, 2 millimeters of flexible-cables；Space optical coupling device
The light that space can be revealed is again in coupled back into optical fibers tail optical fiber 4, so as to the processing in later stage.
Embodiment three：
As shown in figure 3, the present embodiment further includes optical fiber pigtail driving device 10, the optical fiber pigtail driving device 10 is used for
Drive the fiber coupling device move, at least can axially, vertical and horizontal movement, so as to couple leakage light enter optical fiber
Tail optical fiber 4 realizes centering by the energy of balance into the leakage light of multimode fibre.The optical fiber pigtail 4 can be matched by other
Set system and the movement of servo-operated mechanism multidimensional can optimize coupling leakage light and enter single mode optical fiber 41 and reach best optocoupler
Close efficiency.
The above embodiment is only the preferred embodiment of the utility model, it is impossible to be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model range claimed.
Claims (10)
1. a kind of space optical coupling device, which is characterized in that including couple prism and collector lens；The couple prism is used to connect
The optical signal of optical cable macrobending leakage is received, and by the optical signal transmission to collector lens, the collector lens is used to believe light
Number focus on after be transmitted at optical fiber pigtail.
2. space optical coupling device as described in claim 1, which is characterized in that further include collimation lens, the collimation lens
It is set between coupled lens and collector lens, the collimation lens is used to collimate the optical signal that couple prism couples.
3. space optical coupling device as claimed in claim 2, which is characterized in that further include steering prism, the steering prism
At the optical signal transmission to optical fiber pigtail after collimating.
4. space optical coupling device as claimed in claim 3, which is characterized in that the optical fiber pigtail is more quadrant optical fiber tails
Fibre, more quadrant optical fiber pigtails include a single mode optical fiber and more root multimode fibers, are encapsulated in casing.
5. space optical coupling device as claimed in claim 4, which is characterized in that further include optical detector, the optical detector
For handling the optical signal that optical fiber transmits.
6. space optical coupling device as claimed in claim 5, which is characterized in that the quantity of the optical detector has and more quadrants
Number of fibers in optical fiber pigtail is identical, and each optical detector is corresponded with the optical fiber in more quadrant optical fiber pigtails.
7. space optical coupling device as claimed in claim 3, which is characterized in that the couple prism, turns to rib at collimation lens
Mirror and collector lens are packaged in coupling shell.
8. space optical coupling device as claimed in claim 7, which is characterized in that further include optical cable macrobending module, the light
Cable macrobending module is set on coupling shell, and the optical cable macrobending module is for so that optical cable macrobending is believed with leak light
Number.
9. space optical coupling device as claimed in claim 7, which is characterized in that fiber coupling adjustment mechanism is further included, it is described
Fiber coupling adjustment mechanism is fixed with coupling shell, and the fiber coupling adjustment mechanism is used to carry out the optical fiber pigtail three-dimensional tune
Section.
10. space optical coupling device as described in claim 1, which is characterized in that the couple prism be optics wedged plate, institute
Collector lens is stated as glass aspheric lenses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721201979.4U CN207601362U (en) | 2017-09-19 | 2017-09-19 | A kind of space optical coupling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721201979.4U CN207601362U (en) | 2017-09-19 | 2017-09-19 | A kind of space optical coupling device |
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| CN207601362U true CN207601362U (en) | 2018-07-10 |
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| CN201721201979.4U Active CN207601362U (en) | 2017-09-19 | 2017-09-19 | A kind of space optical coupling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107870396A (en) * | 2017-09-19 | 2018-04-03 | 广州光束信息技术有限公司 | A kind of space optical coupling device |
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2017
- 2017-09-19 CN CN201721201979.4U patent/CN207601362U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107870396A (en) * | 2017-09-19 | 2018-04-03 | 广州光束信息技术有限公司 | A kind of space optical coupling device |
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