CN203930115U - A kind of wavelength division multiplexer - Google Patents
A kind of wavelength division multiplexer Download PDFInfo
- Publication number
- CN203930115U CN203930115U CN201420360301.0U CN201420360301U CN203930115U CN 203930115 U CN203930115 U CN 203930115U CN 201420360301 U CN201420360301 U CN 201420360301U CN 203930115 U CN203930115 U CN 203930115U
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- China
- Prior art keywords
- glass
- optical fiber
- tail pipe
- fiber collimator
- glass tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011521 glass Substances 0.000 claims abstract description 102
- 239000013307 optical fiber Substances 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000004888 barrier function Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000003292 glue Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model discloses a kind of wavelength division multiplexer, comprise the first optical fiber collimator, the second optical fiber collimator, glass tube, the first glass tail pipe and the second glass tail pipe, described the first optical fiber collimator and the second optical fiber collimator are all arranged in glass tube, and the right-hand member of the first optical fiber collimator is connected with lens, the lens other end is connected with filter plate; The left end of described the second optical fiber collimator is connected with lens end, and described lens end and filter plate are used in conjunction with.The utility model by arranging long projection to coordinate the dark groove on glass tube on glass tail pipe, and two triangle grooves and corner block are used in conjunction with, what long projection can fit together perfectly is inserted in dark groove, and triangle groove and corner block can play spacing effect, like this manufacture process in using dark groove as anchor point, very quick when installation, accurate positioning, easy to assembly.
Description
Technical field
The utility model relates to a kind of signal transmission apparatus, specifically a kind of wavelength division multiplexer.
Background technology
Along with the arrival of information age, people increase day by day to the demand of optical communication bandwidth.The method that increases light path bandwidth has two kinds, and the one, the single channel transfer rate of raising optical fiber; The 2nd, increase the number of wavelengths of transmitting in single fiber, i.e. wavelength-division multiplex technique.
Wherein, wavelength-division multiplex technique Main Function is by the signal combination of Different Light wavelength device together, also the multi-wavelength signals of sending here through same optical fiber can be decomposed into indivedual wavelength and export respectively.Wavelength-division multiplex technique is the frequency multiplexing technique of utilizing on light territory, realizes the optical communication technique of simultaneously transmitting multipath light signal on an optical fiber.
Traditional wavelength division multiplexer comprises two optical fiber collimators, utilize glass tube that two collimating apparatuss are enclosed within glass tube, then gathering and the dispersion of filter plate and lens and lens end settling signal are set on optical fiber collimator, optical fiber collimator afterbody connects tail optical fiber, tail optical fiber connects glass tail pipe, utilize glue to be bonded on glass tube glass tail pipe, but traditional glass tail pipe entirety extend in glass tube, due to the positioning requirements of filter plate and lens end very accurately can settling signal gathering and dispersion, and glass tail pipe entirety stretches in glass tube, when installation, can not well locate and cause signal transmission capabilities to die down, moreover in the inner tube by glue adhesive glass pipe, assemble difficulty and become large, efficiency step-down, locate also inaccurate.
Utility model content
The purpose of this utility model is the deficiency existing for prior art, provides a kind of assembling simple, accurate positioning, and can save the wavelength division multiplexer of production cost.
The purpose of this utility model is the deficiency existing for prior art, a kind of wavelength division multiplexer is provided, comprise the first optical fiber collimator, the second optical fiber collimator, glass tube, the first glass tail pipe and the second glass tail pipe, described the first optical fiber collimator and the second optical fiber collimator are all arranged in glass tube, and the right-hand member of the first optical fiber collimator is connected with lens, and the lens other end is connected with filter plate; The left end of described the second optical fiber collimator is connected with lens end, and described lens end and filter plate are used in conjunction with; The right-hand member of the left end of described the first optical fiber collimator and the second optical fiber collimator is respectively equipped with the first tail optical fiber and the second tail optical fiber, described the first glass tail pipe and the second glass tail pipe are identical " protruding " font symmetrical structure, described the first tail optical fiber and the second tail optical fiber are arranged on the first glass tail pipe and the second glass tail pipe through the center of the first glass tail pipe and the second glass tail pipe respectively, the vertical wall of described two glass tail pipes is corresponding with the two ends sidewall of glass tube, and the boss of two glass tubes extend in glass tube; On the two ends sidewall of described glass tube, be also provided with dark groove, on the vertical wall of described the first glass tail pipe and the second glass tail pipe, be equipped with the long projection using with dark groove fit, and in described dark groove, be also provided with the triangle groove being evenly distributed, described long projection is provided with the corner block being used in conjunction with triangle groove.
As preferably, described the first glass tail pipe is identical with the external diameter of glass tube with second maximum outside diameter of glass tail pipe.Make the identical setting that is conducive to water barrier of its external diameter.
As preferably, described the first glass tail pipe and second boss of glass tail pipe and the endoporus of glass tube keep interference fit.Interference fit can ensure the airtight performance of glass tail pipe and glass tube.
As preferably, described glass tube be also coated with one deck water barrier.Water barrier can protect one-piece construction not by water erosion.
As preferably, triangle groove in each dark groove is minimum is provided with 3.
Beneficial effect: the utility model by arranging long projection to coordinate the dark groove on glass tube on glass tail pipe, and two triangle grooves and corner block are used in conjunction with, what long projection can fit together perfectly is inserted in dark groove, and triangle groove and corner block can play spacing effect, like this manufacture process in using dark groove as anchor point, very quick when installation, accurate positioning, easy to assembly; And the boss of glass tail pipe and glass tube are interference fit in the utility model, its sealing be connected effect than better with glue bond effect, easy accessibility, assembling process is simple; And the utility model is provided with effectively waterproof of water barrier, protection one-piece construction.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, the present embodiment is implemented under taking technical solutions of the utility model as prerequisite, should understand these embodiment and only be not used in restriction scope of the present utility model for the utility model is described.
As shown in Figure 1, a kind of wavelength division multiplexer, comprise the first optical fiber collimator 1, the second optical fiber collimator 2, glass tube 3, the first glass tail pipe 4 and the second glass tail pipe 5, described the first optical fiber collimator 1 and the second optical fiber collimator 2 are all arranged in glass tube 3, and the right-hand member of the first optical fiber collimator 1 is connected with lens 11, and lens 11 other ends are connected with filter plate 12; The left end of described the second optical fiber collimator 2 is connected with lens end 21, and described lens end 21 is used in conjunction with filter plate 12;
The right-hand member of the left end of the first optical fiber collimator 1 and the second optical fiber collimator 2 is respectively equipped with the first tail optical fiber 13 and 14, two optical fiber collimators of the second tail optical fiber and two tail optical fibers and is all fixedly linked; Described the first glass tail pipe 4 and the second glass tail pipe 5 are identical " protruding " font symmetrical structure, and two glass tail pipes are designed to " protruding " font, not only can save material, also benefit for the connection of glass tube 3.
Described the first tail optical fiber 13 and the second tail optical fiber 14 are arranged on the first glass tail pipe 4 and the second glass tail pipe 5 through the center of the first glass tail pipe 4 and the second glass tail pipe 5 respectively, the vertical wall 6 of described two glass tail pipes is corresponding with the two ends sidewall 7 of glass tube 3, and both external diameters are identical, and size matches; The boss 8 of two glass tail pipes extend in glass tube 3.The boss 8 of the size of glass tube 3 and two glass tail pipes is interference fit, makes its structure compacter.
On the two ends sidewall 7 of described glass tube 3, be also provided with dark groove 31, on the vertical wall 6 of described the first glass tail pipe 4 and the second glass tail pipe 5, be equipped with the long projection 9 being used in conjunction with dark groove 31, and in described dark groove 31, be also provided with the triangle groove 32 being evenly distributed, described long projection 9 is provided with the corner block 10 being used in conjunction with triangle groove 32.
The maximum outside diameter of described the first glass tail pipe 4 and the second glass tail pipe 5 is identical with the external diameter of glass tube 3.The boss 8 of described the first glass tail pipe 4 and the second glass tail pipe 5 keeps interference fit with the endoporus of glass tube 3.Described glass tube 3 be also coated with one deck water barrier 33.Triangle groove 32 in each dark groove 31 is minimum is provided with 3.
The utility model by arranging long projection to coordinate the dark groove on glass tube on glass tail pipe, and two triangle grooves and corner block are used in conjunction with, what long projection can fit together perfectly is inserted in dark groove, and triangle groove and corner block can play spacing effect, like this manufacture process in using dark groove as anchor point, very quick when installation, accurate positioning, easy to assembly.
And the boss of glass tail pipe and glass tube are interference fit in the utility model, its sealing be connected effect than better with glue bond effect, easy accessibility, assembling process is simple; And the utility model is provided with effectively waterproof of water barrier, protection one-piece construction.
Claims (5)
1. a wavelength division multiplexer, it is characterized in that: comprise the first optical fiber collimator (1), the second optical fiber collimator (2), glass tube (3), the first glass tail pipe (4) and the second glass tail pipe (5), described the first optical fiber collimator (1) and the second optical fiber collimator (2) are all arranged in glass tube (3), and the right-hand member of the first optical fiber collimator (1) is connected with lens (11), lens (11) other end is connected with filter plate (12), the left end of described the second optical fiber collimator (2) is connected with lens end (21), and described lens end (21) is used in conjunction with filter plate (12), the right-hand member of the left end of described the first optical fiber collimator (1) and the second optical fiber collimator (2) is respectively equipped with the first tail optical fiber (13) and the second tail optical fiber (14), described the first glass tail pipe (4) and the second glass tail pipe (5) are identical " protruding " font symmetrical structure, described the first tail optical fiber (13) and the second tail optical fiber (14) are arranged on the first glass tail pipe (4) and the second glass tail pipe (5) through the center of the first glass tail pipe (4) and the second glass tail pipe (5) respectively, the vertical wall (6) of described two glass tail pipes is corresponding with the two ends sidewall (7) of glass tube (3), the boss (8) of two glass tubes extend in glass tube (3), on the two ends sidewall (7) of described glass tube (3), be also provided with dark groove (31), on the vertical wall (6) of described the first glass tail pipe (4) and the second glass tail pipe (5), be equipped with the long projection (9) being used in conjunction with dark groove (31), and in described dark groove (31), be also provided with the triangle groove (32) being evenly distributed, described long projection (9) is provided with the corner block (10) being used in conjunction with triangle groove (32).
2. a kind of wavelength division multiplexer according to claim 1, is characterized in that: the maximum outside diameter of described the first glass tail pipe (4) and the second glass tail pipe (5) is identical with the external diameter of glass tube (3).
3. a kind of wavelength division multiplexer according to claim 2, is characterized in that: described the first glass tail pipe (4) and the boss (8) of the second glass tail pipe (5) and the endoporus of glass tube (3) keep interference fit.
4. a kind of wavelength division multiplexer according to claim 1, is characterized in that: described glass tube (3) be also coated with one deck water barrier (33).
5. a kind of wavelength division multiplexer according to claim 1, is characterized in that: triangle groove (32) in each dark groove (31) is minimum is provided with 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420360301.0U CN203930115U (en) | 2014-07-02 | 2014-07-02 | A kind of wavelength division multiplexer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420360301.0U CN203930115U (en) | 2014-07-02 | 2014-07-02 | A kind of wavelength division multiplexer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203930115U true CN203930115U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420360301.0U Expired - Fee Related CN203930115U (en) | 2014-07-02 | 2014-07-02 | A kind of wavelength division multiplexer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203930115U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861195A (en) * | 2017-12-27 | 2018-03-30 | 厦门思科图光电科技有限公司 | A kind of spigot-and-socket wavelength division multiplexer and application method with strong isolation performance |
| CN107907941A (en) * | 2017-12-27 | 2018-04-13 | 厦门思科图光电科技有限公司 | A kind of wavelength division multiplexer steel pipe housing with disengaging wire encapsulation construction |
| CN110989101A (en) * | 2019-12-10 | 2020-04-10 | 武汉光谷信息光电子创新中心有限公司 | Optical waveguide device |
-
2014
- 2014-07-02 CN CN201420360301.0U patent/CN203930115U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861195A (en) * | 2017-12-27 | 2018-03-30 | 厦门思科图光电科技有限公司 | A kind of spigot-and-socket wavelength division multiplexer and application method with strong isolation performance |
| CN107907941A (en) * | 2017-12-27 | 2018-04-13 | 厦门思科图光电科技有限公司 | A kind of wavelength division multiplexer steel pipe housing with disengaging wire encapsulation construction |
| CN107861195B (en) * | 2017-12-27 | 2020-01-10 | 厦门思科图光电科技有限公司 | Socket type wavelength division multiplexer with strong isolation performance and use method |
| CN107907941B (en) * | 2017-12-27 | 2020-02-21 | 厦门思科图光电科技有限公司 | Wavelength division multiplexer steel pipe shell with business turn over line packaging structure |
| CN110989101A (en) * | 2019-12-10 | 2020-04-10 | 武汉光谷信息光电子创新中心有限公司 | Optical waveguide device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20170702 |