CN207440348U - A kind of optical communication optical splitter - Google Patents
A kind of optical communication optical splitter Download PDFInfo
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- CN207440348U CN207440348U CN201721687320.4U CN201721687320U CN207440348U CN 207440348 U CN207440348 U CN 207440348U CN 201721687320 U CN201721687320 U CN 201721687320U CN 207440348 U CN207440348 U CN 207440348U
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- sleeve
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- optical fiber
- signal
- optical signal
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Abstract
The utility model discloses a kind of optical communication optical splitter, includes the first sleeve, second sleeve and 3rd sleeve including sleeve, optical fiber, glass contact pin, light splitting slide, photoelectric converter and isolator, sleeve；The transmitting terminal of optical fiber is extended inwardly to from the front end of the first sleeve in 3rd sleeve, including the first optical fiber and the second optical fiber；Glass contact pin is arranged in 3rd sleeve, and mounting hole has been provided in glass contact pin, to fixed optical fiber；The rear end that slide is arranged on glass contact pin is divided, to decompose the optical signal of different wave length in the first optical fiber to form the first optical signal and the second optical signal；Photoelectric converter is arranged in 3rd sleeve, to receive the first optical signal and export after being converted to electric signal；Isolator is arranged in 3rd sleeve and between light splitting slide and photoelectric converter.Optical communication optical splitter provided by the utility model improves the isolation between optical signal, reduces the interference between optical signal.
Description
Technical field
The utility model is related to optical communication device technical field, more particularly to a kind of optical communication optical splitter.
Background technology
, it is necessary to which first passing through transmission apparatus receives optical signal, so in the transmission of Cable TV Signal Transmission and analog signal
It is received afterwards by electrooptical device and converts optical signals into electric signal output, wherein, usual received wave of photoelectric converter
The optical signal of a length of 1310nm.And existing simple optical fiber can receive the optical signal of two kinds of different wave lengths (generally simultaneously
1310nm and 1490nm or 1550nm), it just needs to decompose optical signal by light-splitting device at this time, turn all the way as photoelectricity
The reception signal of parallel operation, another way are sent out after reflection.
For existing optical signal optical splitter, it is transmitted in optical signal after decomposition in the light path of photoelectric converter,
The light transferred out is understood some and is reflected by optical interface or other contact surfaces, and forms interference light, causes to believe light
Number interference, make the isolation between optical signal relatively low.
Utility model content
The main purpose of the utility model is to propose a kind of optical communication optical splitter, it is intended to improve the isolation between optical signal
Degree reduces the interference between optical signal.
To achieve the above object, the utility model proposes a kind of optical communication optical splitter, including：
Sleeve, along preceding rearwardly extending, the sleeve includes the first sleeve, second sleeve and 3rd sleeve, the first set
The front end of rear end and the 3rd sleeve of cylinder is socketed, the second sleeve be arranged in first sleeve and with described 3rd set
The front end socket of cylinder；
Optical fiber, the transmitting terminal of the optical fiber are extended inwardly to from the front end of first sleeve in the 3rd sleeve, institute
Stating optical fiber includes the first optical fiber and the second optical fiber；
Glass contact pin passes through in the 3rd sleeve and in the front end of the 3rd sleeve, the glass contact pin
Equipped with along preceding rearwardly extending mounting hole, the mounting hole is to the fixation optical fiber；
Slide is divided, it is described to be divided slide to make to transmit along first optical fiber arranged on the rear end of the glass contact pin
The transmission of the first optical signal after to continue back kick defeated and make after the second optical signal transmitted along first optical fiber reflection along institute
State the transmission of the second optical fiber；
Photoelectric converter, in the 3rd sleeve and positioned at the rear end of the 3rd sleeve, to receive described the
One optical signal is simultaneously exported after first optical signal is converted to electric signal；And
Isolator, in the 3rd sleeve and between the light splitting slide and the photoelectric converter, to
First optical signal is made to be one-way transmitted to the photoelectric converter from the light splitting slide edge.
Preferably, the rear end of the glass contact pin and the transmitting terminal of first optical fiber are inclined to set.
Preferably, the angle of inclination is 8 °.
Preferably, a length of 1310nm of light wave of first optical signal, a length of 1490nm of light wave of second optical signal
Or 1550nm.
Preferably, the mounting hole is included along preceding rearwardly extending and parallel arrangement of first mounting hole and the second mounting hole,
For corresponding fixed first optical fiber and the second optical fiber.
Preferably, the front end face of the 3rd sleeve is equipped with annular convex platform, the annular convex platform and the second sleeve
Inner wall coordinates, and the rear end of the second sleeve is fixed on to the front end of the 3rd sleeve.
Preferably, the front end of the second sleeve by it is rear to preceding be in tapered setting.
Preferably, the photoelectric converter is light receiving diode.
Preferably, first sleeve is plastic part, and the second sleeve and 3rd sleeve are metalwork.
Preferably, the outer surface of first optical fiber and the second optical fiber is additionally provided with sheath.
In technical solution provided by the utility model, by setting isolator in optical communication optical splitter, light letter is improved
Isolation between number reduces the interference between optical signal.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the structure diagram of an embodiment of optical communication optical splitter provided by the utility model；
Fig. 2 is the partial enlarged view at A in Fig. 1；
Fig. 3 is another angular views for the optical communication optical splitter that Fig. 1 is provided；
Fig. 4 is the partial enlarged view at B in Fig. 3.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Optical communication optical splitter | 23 | Sheath |
| 11 | First sleeve | 30 | Glass contact pin |
| 12 | Second sleeve | 31 | First mounting hole |
| 13 | 3rd sleeve | 32 | Second mounting hole |
| 131 | Annular convex platform | 40 | It is divided slide |
| 20 | Optical fiber | 50 | Photoelectric converter |
| 21 | First optical fiber | 60 | Isolator |
| 22 | Second optical fiber |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
It if, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can express or implicitly include at least one
A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical solution is conflicting or can not realize
The combination of case is not present, also not within the protection domain of the requires of the utility model.
In order to improve the isolation in optical communication optical splitter between optical signal, the interference between optical signal, this practicality are reduced
A kind of optical communication optical splitter of new proposition, Fig. 1 to Fig. 4 are an embodiment of optical communication optical splitter 100.
It please refers to Fig.1 to Fig.3, the optical communication optical splitter 100 includes sleeve, optical fiber 20, glass contact pin 30, light splitting slide
40th, photoelectric converter 50 and isolator 60, wherein, the sleeve along preceding rearwardly extending, the sleeve include the first sleeve 11,
Second sleeve 12 and 3rd sleeve 13, the front end of the rear end of first sleeve 11 and the 3rd sleeve 13 are socketed, and described the
Two sleeves 12 are arranged in first sleeve 11 and are socketed with the front end of the 3rd sleeve 13；The transmitting terminal of the optical fiber 20 is certainly
The front end of first sleeve 11 is extended inwardly in the 3rd sleeve 13, and the optical fiber 20 includes the first optical fiber 21 and second
Optical fiber 22；The glass contact pin 30 is arranged in the 3rd sleeve 13 and positioned at the front end of the 3rd sleeve 13, the glass
It is provided in contact pin 30 along preceding rearwardly extending mounting hole, the mounting hole is to the fixation optical fiber 20；The light splitting slide
40 are arranged on the rear end of the glass contact pin 30, and the light splitting slide 40 is believed to make the first light along first optical fiber 21 transmission
It is defeated and make after the second optical signal transmitted along first optical fiber 21 reflection along second light to continue back kick after number transmission
Fibre 22 transmits；The photoelectric converter 50 is arranged in the 3rd sleeve 13 and is located at the rear end of the 3rd sleeve 13, to
It receives first optical signal and is exported after first optical signal is converted to electric signal；The isolator 60 is arranged on described the
In three sleeves 13 and between the light splitting slide 40 and the photoelectric converter 50, to make first optical signal from institute
Light splitting slide 40 is stated along being one-way transmitted to the photoelectric converter 50.
In technical solution provided by the utility model, by setting isolator 60 in optical communication optical splitter 100, improve
Isolation between optical signal reduces the interference between optical signal.Optical signal in first optical fiber 21 is through described point
The first optical signal that light slide 40 is formed after decomposing is being transmitted to the light path of the photoelectric converter 50 from the light splitting slide 40
In, also due to the transmitting of light occurs and causes signal interference, pass through the isolator 60 at this time (for one direction thang-kng device)
Setting, can prevent the light of reflection from passing back to the light path of front and effectively removing interference light, reduce dry between optical signal
It disturbs, improves the return loss index of signal.Certainly, the isolator 60 can also play the work of external interference light in isolation light path simultaneously
With.
It is described light splitting slide 40 be used for by the optical signal of the different wave length in the first optical fiber 21 be decomposed into the first optical signal and
Second optical signal, the light splitting slide 40 selected in technical solutions of the utility model have light (this reality by 1310nm
Apply in example is the first optical signal) and it is totally reflected the performance of the light (being the second optical signal in the present embodiment) of 1490nm or 1550nm,
First optical signal transports to the isolator 60 transmitted through continuation back kick after the light splitting slide 40, and through the isolator
The photoelectric converter 50 is transmitted to after 60 progress optical signal isolations, light splitting slide 40 reflexes to described in second optical signals
Then second optical fiber 22 is transferred to other equipment by second optical fiber 22.
In order to avoid second optical signal is again introduced into first optical signal after the light splitting slide 40 reflects
Transmission path, and first optical signal is interfered, the light splitting slide 40 is in first optical signaling paths
It is obliquely installed.In the utility model embodiment, Fig. 3 and Fig. 4 are referred to, the light splitting slide 40 is passed with first optical signal
The specific embodiment that defeated path is inclined to set is：The rear end of the glass contact pin 30 and the transmitting terminal of first optical fiber 21
It is inclined to set.At this time, it is only necessary to which the light splitting slide 40 is sticked and (glue sticking can be used to fix) in the glass contact pin 30
Inclined surface on, then the second optical signal that can to reflect through the light splitting slide 40 completely into second optical fiber 22,
Without being entered due to secondary reflection again in the subsequent transmission path of first optical signal, first optical signal is generated dry
It disturbs.
It is preferred that the angle of inclination is 8 °, i.e., the inclined surface of described glass contact pin 30 and the biography of first optical signal
Angle between defeated path is 82 °, so as to effectively reduce interference of the light reflection to optical signal.Specifically, please in detail refering to 3 and figure
4, the glass contact pin 30 is close to one end of the light splitting slide in oblique 8 ° settings.
Wherein, a length of 1310nm of light wave of first optical signal, a length of 1490nm of light wave of second optical signal or
1550nm.The optical signal that wavelength is 1490nm or 1550nm is reflected into second optical fiber 22 by the light splitting slide 40, and
Make wavelength be 1310nm optical signal by and continue to be transferred to follow-up equipment.
Combination for the ease of the fixation of the optical fiber 20 and with other parts, in the present embodiment, the mounting hole bag
It includes along preceding rearwardly extending and parallel arrangement of first mounting hole, 31 and second mounting hole 32, for corresponding fixed first optical fiber
21 and second optical fiber 22.First optical fiber, 21 and second optical fiber 22 correspondence is fixed on first mounting hole 31 and second to pacify
It fills in hole 32, while also secures the distance between described first optical fiber, 21 and second optical fiber 22 so that optical fiber 20 will not occur
It moves radially and the transmission direction of optical signal is made to shift.
The glass contact pin 30 is arranged in the 3rd sleeve 13 and is located at the front end of the 3rd sleeve 13, and the described 3rd
The front end of sleeve 13 is socketed with the rear end of first sleeve 11 and second sleeve 12, and concrete mode is：The 3rd sleeve
13 front end face is equipped with annular convex platform 131, and the annular convex platform 131 and the inner wall of the second sleeve 12 coordinate, by described in
The front end of the 3rd sleeve 13 is fixed in the rear end of second sleeve 12.In addition, the glass contact pin 30 can pass through the side of press-fitting
Formula is installed in the 3rd sleeve 13.
Wherein, the front end of the second sleeve 12 by it is rear to preceding be in tapered setting.In this way, in first sleeve 11 and
In the installation process of two sleeves 12, interfere and cause when can stretch into first sleeve 11 to avoid the second sleeve 12
Device damage.
In the present embodiment, the photoelectric converter 50 is light receiving diode.When it is implemented, two pole of light-receiving
Pipe selects the dedicated devices of Cable TV Signal Transmission, and using the encapsulation of TO46 encapsulation tube supports, having smaller IMD, (intermodulation loses
Very) and the broadband of 3.2G, dedicated for receiving analog signal, while the transmission quality of signal can also be improved.Wherein, the light
After reception diode can be that 20 structure Coupling of optical fiber is stablized, it is fixed in the 3rd sleeve 13, is had by the way of gluing
Reach Best Coupling state beneficial to multi-direction adjustment is carried out to the light receiving diode.
For the ease of fixed and protect each part in the optical communication optical splitter 100, in the present embodiment, described the
One sleeve 11 is plastic part, and the second sleeve 12 and 3rd sleeve 13 are metalwork.First sleeve 11 is mainly used for solid
The fixed optical fiber 20, selects plastic part to be conducive to avoid 11 excessive high hardness of the first sleeve and damage the optical fiber 20；It is described
Second sleeve 12 and 3rd sleeve 13 are used to install and fix the glass contact pin 30, isolator 60 and photoelectric converter 50,
It selects metalwork that can be convenient for laser welding and form firm overall structure, while also has to be easily worked and reach defined
The advantages of dimensional accuracy and surface smoothness.
More specifically, the outer surface of 21 and second optical fiber 22 of the first optical fiber is additionally provided with sheath 23.Pass through the sheath
23 setting can fracture to avoid 21 and second optical fiber 22 of the first optical fiber, so as to ensure optical signal stablize input and it is defeated
Go out.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes or directly/is used in other related technical areas indirectly and is included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of optical communication optical splitter, which is characterized in that including：
Sleeve, along preceding rearwardly extending, the sleeve includes the first sleeve, second sleeve and 3rd sleeve, first sleeve
The front end of rear end and the 3rd sleeve is socketed, the second sleeve be arranged in first sleeve and with the 3rd sleeve
Front end is socketed；
Optical fiber, the transmitting terminal of the optical fiber are extended inwardly to from the front end of first sleeve in the 3rd sleeve, the light
Fibre includes the first optical fiber and the second optical fiber；
Glass contact pin has provided in the 3rd sleeve and in the front end of the 3rd sleeve, the glass contact pin
Along preceding rearwardly extending mounting hole, the mounting hole is to the fixation optical fiber；
Slide is divided, arranged on the rear end of the glass contact pin, the light splitting slide is making transmitted along first optical fiber the
It is defeated and make after the second optical signal reflection transmitted along first optical fiber along described the to continue back kick after the transmission of one optical signal
Two optical fiber transmit；
Photoelectric converter, in the 3rd sleeve and positioned at the rear end of the 3rd sleeve, to receive first light
Signal is simultaneously exported after first optical signal is converted to electric signal；And
Isolator, in the 3rd sleeve and between the light splitting slide and the photoelectric converter, to make
It states the first optical signal and is one-way transmitted to the photoelectric converter from the light splitting slide edge.
2. optical communication optical splitter as described in claim 1, which is characterized in that the rear end of the glass contact pin and first light
Fine transmitting terminal is inclined to set.
3. optical communication optical splitter as claimed in claim 2, which is characterized in that the angle of inclination is 8 °.
4. optical communication optical splitter as described in claim 1, which is characterized in that the light wave of first optical signal is a length of
1310nm, light wave a length of 1490nm or 1550nm of second optical signal.
5. optical communication optical splitter as described in claim 1, which is characterized in that the mounting hole is included along preceding rearwardly extending and simultaneously
The first mounting hole and the second mounting hole that row is set, for corresponding fixed first optical fiber and the second optical fiber.
6. optical communication optical splitter as described in claim 1, which is characterized in that the front end face of the 3rd sleeve is equipped with convex annular
Platform, the annular convex platform and the inner wall of the second sleeve coordinate, and the rear end of the second sleeve is fixed on the described 3rd
The front end of sleeve.
7. optical communication optical splitter as described in claim 1, which is characterized in that the front end of the second sleeve is by rear to preceding in gradually
Contracting is set.
8. optical communication optical splitter as described in claim 1, which is characterized in that the photoelectric converter is light receiving diode.
9. optical communication optical splitter as described in claim 1, which is characterized in that first sleeve be plastic part, described second
Sleeve and 3rd sleeve are metalwork.
10. optical communication optical splitter as described in claim 1, which is characterized in that the appearance of first optical fiber and the second optical fiber
Face is additionally provided with sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721687320.4U CN207440348U (en) | 2017-12-06 | 2017-12-06 | A kind of optical communication optical splitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721687320.4U CN207440348U (en) | 2017-12-06 | 2017-12-06 | A kind of optical communication optical splitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207440348U true CN207440348U (en) | 2018-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721687320.4U Expired - Fee Related CN207440348U (en) | 2017-12-06 | 2017-12-06 | A kind of optical communication optical splitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207440348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112955798A (en) * | 2018-08-31 | 2021-06-11 | 赛纳吉亚医疗公司 | Fiber optic connector for optoelectronic Active Implantable Medical Device (AIMD) |
-
2017
- 2017-12-06 CN CN201721687320.4U patent/CN207440348U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112955798A (en) * | 2018-08-31 | 2021-06-11 | 赛纳吉亚医疗公司 | Fiber optic connector for optoelectronic Active Implantable Medical Device (AIMD) |
| CN112955798B (en) * | 2018-08-31 | 2022-08-05 | 赛纳吉亚医疗公司 | Fiber optic connector for optoelectronic Active Implantable Medical Device (AIMD) |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20201206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |