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CN114325950B - High-performance 100G dense wavelength division multiplexing device - Google Patents

High-performance 100G dense wavelength division multiplexing device
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Publication number
CN114325950B
CN114325950BCN202111508442.3ACN202111508442ACN114325950BCN 114325950 BCN114325950 BCN 114325950BCN 202111508442 ACN202111508442 ACN 202111508442ACN 114325950 BCN114325950 BCN 114325950B
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China
Prior art keywords
glass tube
fixedly connected
optical filter
wavelength division
optical fiber
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CN202111508442.3A
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Chinese (zh)
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CN114325950A (en
Inventor
王之琦
蒋延标
李文强
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Jiangsu Yongding Optoelectronic Technology Co ltd
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Jiangsu Yongding Optoelectronic Technology Co ltd
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Abstract

The invention belongs to the technical field of optical fiber communication, in particular to a high-performance 100G dense wavelength division multiplexing device, which comprises a glass tube a; glass tubes b are arranged at two ends of the glass tube a; the glass tube b is adhered to the end part of the glass tube a through glue; wherein the inside of the glass tube b at one end is fixedly connected with an optical fiber a; the optical fiber a is fixedly connected with a glass tube c at the end part positioned in the glass tube a; the other glass tube b is fixedly connected with an optical fiber b; the optical filter is connected in a rotating way in the glass tube a, so that when the optical filter works in an inclined state in the glass tube a, the working state of the optical filter can be adjusted by adjusting the position of the sliding block on the sliding groove.

Description

High-performance 100G dense wavelength division multiplexing device
Technical Field
The invention belongs to the technical field of optical fiber communication, and particularly relates to a high-performance 100G dense wavelength division multiplexing device.
Background
With the rapid iterative development of today's communication technology, the long-distance transmission of 100G dense wavelength division multiplexers uses commonly used information transmission devices.
When the existing multiplexer optical filter is used, two placing modes of inclined placement and vertical placement are mainly adopted, and in long-time use observation, the fact that the 100G dense wavelength division multiplexer is only replaced when the posture of the optical filter is required to be vertically placed as in the case of using the inclined placed optical filter type 100G dense wavelength division multiplexer is found, so that the posture of the optical filter in the optical filter meets the requirements.
To this end, the present invention provides a high performance 100G dense wavelength division multiplexing device.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a high-performance 100G dense wavelength division multiplexing device, which comprises a glass tube a; glass tubes b are arranged at two ends of the glass tube a; the glass tube b is adhered to the end part of the glass tube a through glue; wherein the inside of the glass tube b at one end is fixedly connected with an optical fiber a; the optical fiber a is fixedly connected with a glass tube c at the end part positioned in the glass tube a; the other glass tube b is fixedly connected with an optical fiber b; an optical filter is arranged inside the glass tube a and between the optical fiber a and the optical fiber b; the end part of the optical filter is rotatably connected with a rotary bracket; the bottom end of the rotary support is fixedly connected to the inner side wall of the glass tube a; a chute is formed in the inner side wall of the glass tube a; the sliding chute is connected with a sliding block in a sliding way; the bottom of the sliding block is fixedly connected with a supporting frame; an elastic pull rope is connected between the two supporting legs of the supporting frame; the middle part of the elastic pull rope is connected with the end part of the optical filter; when the optical filter is used, the position of the sliding block in the sliding groove can be controlled to adjust the posture of the optical filter in the glass tube a, when the sliding block is close to the optical fiber a, the posture of the optical filter in the glass tube a is in a vertical state, when the sliding block is far away from the optical fiber a, the position of the optical filter in the glass tube a is pulled by the support frame and the elastic pull rope to be in an inclined state in the glass tube a, the optical filter is rotationally connected in a connecting mode in the glass tube a, when the optical filter is required to work in the inclined state in the glass tube a, the working state of the optical filter can be adjusted by adjusting the position of the sliding block on the sliding groove, the setting can enable the posture of the optical filter to be adjusted under the condition that the G-dense wavelength division multiplexer is not replaced, the steps of replacing the G-dense wavelength division multiplexer are reduced, and the work load of operators is further reduced.
Preferably, a magnet a is arranged in the sliding block; the magnet a is fixedly connected with the sliding block; through being equipped with magnet a in slider inside, can be when the position of needs adjustment slider in glass pipe a, lay another magnetite in glass pipe a outside and can control the slider of glass pipe a inside, this setting makes the gesture adjustment to glass pipe a inside light filter more convenient.
Preferably, the inner side wall of the chute is fixedly connected with an elastic limiting piece; the elastic limiting piece is arranged in the middle of the chute; through being equipped with the spacing piece of elasticity at the spout middle part, can control the position of slider inside the spout for the slider can only stop at the inside both ends of spout, makes the position of light filter at the during operation more stable, reduces the light filter and rocks the problem because of the aversion that the slider slides and cause on the spout at the during operation.
Preferably, a sliding rail is fixedly connected at the position of the side wall of the glass tube a corresponding to the sliding groove; the sliding rail is connected with a magnet b in a sliding way; through being equipped with magnet b and magnet a on glass pipe a and cooperate, can be when the process of the inside gesture of needs control light filter at glass pipe a, direct adjustment magnet b's position on the slide rail can realize magnet b's absorption to magnet a for magnet a takes the slider to move together at glass pipe a inside, has made things convenient for the control to magnet a more, and simultaneously when the slide rail is stood on the slide rail, also sustainable adsorbs magnet a, makes the slider be difficult for appearing the problem of shifting on the spout more.
Preferably, a group of flexible buffer blocks are fixedly connected to the inner side wall of the glass tube a; the flexible buffer blocks are arranged on two sides of the supporting frame; through being equipped with flexible buffer block inside glass pipe a and buffering the support frame, can be when the slider slides on the spout, when the tip of spout is contacted soon, the support frame can strike buffering with flexible buffer block, then flexible buffer block absorbs the kinetic energy of part through self deformation, reduces the impact force of slider to the spout, makes the state of light filter between the support frame more stable simultaneously.
Preferably, a cavity is formed in the flexible buffer block; the cavity is arranged in the flexible buffer block; through set up multiunit cavity in flexible buffer block is inside, can receive the striking at flexible buffer block, the cavity contracts for the support frame is further absorbed the impact force of flexible buffer block, stability when increasing the adjustment slider position.
Preferably, the end part of the rotary support, which is contacted with the optical filter, is arc-shaped; through setting the tip of runing rest to the arc, can make the runing rest more smooth and easy to the support of light filter, when making the light filter rotate on the runing rest, do not have a large amount of scratches to appear on the light filter.
Preferably, the top of the rotary bracket is fixedly connected with a group of elastic rods; the end part of the elastic rod is fixedly connected with a flexible extrusion block; the elastic rod and the flexible extrusion block are arranged on the rotary support to be in contact with the optical filter, so that when the optical filter rotates on the rotary support, the elastic rod controls the optical filter, and the shaking amplitude of the optical filter when the position of the optical filter is adjusted is reduced.
The beneficial effects of the invention are as follows:
1. according to the high-performance 100G dense wavelength division multiplexing device, the optical filter is connected in a rotating mode in the glass tube a, so that when the optical filter needs to work in an inclined state in the glass tube a, the working state of the optical filter can be adjusted by adjusting the position of the sliding block on the sliding groove.
2. According to the high-performance 100G dense wavelength division multiplexing device, the magnet a is arranged in the slider, so that when the position of the slider in the glass tube a needs to be adjusted, the slider in the glass tube a can be controlled by placing another magnet outside the glass tube a, and the arrangement enables the posture adjustment of the optical filter in the glass tube a to be more convenient.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of the structure of the rotating bracket of the present invention;
FIG. 4 is a schematic view of a second embodiment of a rotating bracket according to the present invention;
in the figure: 1. a glass tube a; 11. a glass tube b; 12. a glass tube c; 13. an optical fiber a; 14. an optical fiber b; 15. a light filter; 16. a rotating bracket; 17. a chute; 18. a slide block; 19. a support frame; 110. an elastic pull rope; 2. a magnet a; 3. an elastic limit piece; 4. a slide rail; 41. a magnet b; 5. a flexible buffer block; 6. a cavity; 7. an elastic rod; 71. a flexible extrusion block.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
As shown in fig. 1 to 3, a high performance 100G dense wavelength division multiplexing device according to an embodiment of the present invention includes a glass tube a1; glass tubes b11 are arranged at two ends of the glass tube a1; the glass tube b11 is adhered to the end part of the glass tube a1 through glue; wherein, the inside of the glass tube b11 at one end is fixedly connected with an optical fiber a13; the optical fiber a13 is fixedly connected with a glass tube c12 at the end part positioned in the glass tube a1; the other glass tube b11 is fixedly connected with an optical fiber b14; an optical filter 15 is arranged inside the glass tube a1 between the optical fiber a13 and the optical fiber b14; the end part of the optical filter 15 is rotatably connected with a rotary bracket 16; the bottom end of the rotary support 16 is fixedly connected to the inner side wall of the glass tube a1; a chute 17 is formed in the inner side wall of the glass tube a1; the sliding chute 17 is connected with a sliding block 18 in a sliding way; the bottom of the sliding block 18 is fixedly connected with a supporting frame 19; an elastic pull rope 110 is connected between the two supporting legs of the supporting frame 19; the middle part of the elastic pull rope 110 is connected with the end part of the optical filter 15; when the optical filter is used, the position of the optical filter 15 in the glass tube a1 can be adjusted by controlling the position of the sliding block 18 in the sliding groove 17, when the sliding block 18 is close to the optical fiber a13, the position of the optical filter 15 in the glass tube a1 is in a vertical state, when the sliding block 18 is far away from the optical fiber a13, the position of the optical filter 15 in the glass tube a1 is pulled by the support frame 19 and the elastic pull rope 110 to be in an inclined state in the glass tube a1, and when the optical filter 15 is required to work in the inclined state in the glass tube a1, the working state of the optical filter 15 can be adjusted by adjusting the position of the sliding block 18 on the sliding groove 17.
A magnet a2 is arranged inside the sliding block 18; the magnet a2 is fixedly connected with the sliding block 18; through being equipped with magnet a2 inside slider 18, can be when the inside position of glass pipe a1 of needs adjustment slider 18, lay another magnetite outside glass pipe a1 can control the inside slider 18 of glass pipe a1, this setting makes the posture adjustment to glass pipe a1 inside light filter 15 more convenient.
An elastic limiting piece 3 is fixedly connected to the inner side wall of the chute 17; the elastic limiting piece 3 is arranged in the middle of the chute 17; through being equipped with elasticity spacing piece 3 at spout 17 middle part, can control the position of slider 18 in spout 17 inside for slider 18 can only stop at the inside both ends of spout 17, makes light filter 15 more stable in the position of during operation, reduces light filter 15 and slides the aversion that causes because of slider 18 on spout 17 when the during operation and rocks the problem.
The sliding rail 4 is fixedly connected to the position, corresponding to the sliding groove 17, of the side wall of the glass tube a1; the sliding rail 4 is connected with a magnet b41 in a sliding way; through being equipped with magnet b41 and magnet a2 on glass pipe a1 and cooperating, can be when the process of the inside gesture of control light filter 15 at glass pipe a1, the direct adjustment magnet b41 can realize the absorption of magnet b41 to magnet a2 on slide rail 4 for magnet a2 is inside to take slider 18 to move together at glass pipe a1, has made things convenient for the control to magnet a2 more, and simultaneously when slide rail 4 stewed on slide rail 4, also sustainable adsorbs magnet a2, makes the problem that the slider 18 is difficult for appearing shifting on spout 17 more.
The inner side wall of the glass tube a1 is fixedly connected with a group of flexible buffer blocks 5; the flexible buffer blocks 5 are arranged on two sides of the supporting frame 19; through being equipped with flexible buffer block 5 inside glass pipe a1 and buffering support frame 19, can be when slider 18 slides on spout 17, when the tip of spout 17 is contacted soon, support frame 19 can strike buffering with flexible buffer block 5, then flexible buffer block 5 absorbs the kinetic energy of part through self deformation, reduces the impact force of slider 18 to spout 17, makes the state of light filter 15 between support frame 19 more stable simultaneously.
A cavity 6 is formed in the flexible buffer block 5; the cavity 6 is provided with a plurality of cavities inside the flexible buffer block 5; through offer multiunit cavity 6 inside flexible buffer block 5, can receive the striking at flexible buffer block 5, cavity 6 shrink for support frame 19 is further absorbed the impact force of flexible buffer block 5, stability when increasing adjustment slider 18 position.
The end part of the rotary support 16, which is contacted with the optical filter 15, is arranged in an arc shape; by setting the end of the rotating bracket 16 to be arc-shaped, the support of the optical filter 15 by the rotating bracket 16 can be smoother, and a large number of scratches will not appear on the optical filter 15 when the optical filter 15 rotates on the rotating bracket 16.
Example two
As shown in fig. 4, in comparative example one, another embodiment of the present invention is: the top of the rotary bracket 16 is fixedly connected with a group of elastic rods 7; the end part of the elastic rod 7 is fixedly connected with a flexible extrusion block 71; by providing the elastic rod 7 and the flexible extrusion block 71 on the rotary support 16 to contact and support the optical filter 15, the elastic rod 7 controls the optical filter 15 when the optical filter 15 rotates on the rotary support 16, and the shaking amplitude of the optical filter 15 when the optical filter 15 is adjusted in position is reduced.
When the optical filter is used, the position of the optical filter 15 in the glass tube a1 can be adjusted by controlling the position of the sliding block 18 in the sliding groove 17, when the sliding block 18 is close to the optical fiber a13, the position of the optical filter 15 in the glass tube a1 is in a vertical state, when the sliding block 18 is far away from the optical fiber a13, the position of the optical filter 15 in the glass tube a1 is pulled by the supporting frame 19 and the elastic pull rope 110 to be in an inclined state in the glass tube a1, and when the optical filter 15 is required to work in the inclined state in the glass tube a1, the working state of the optical filter 15 can be adjusted by adjusting the position of the sliding block 18 on the sliding groove 17.
By arranging the magnet a2 inside the slide block 18, when the position of the slide block 18 inside the glass tube a1 needs to be adjusted, the slide block 18 inside the glass tube a1 can be controlled by arranging another magnet outside the glass tube a1, and the arrangement ensures that the posture of the optical filter 15 inside the glass tube a1 is more convenient to adjust; through being equipped with elasticity spacing piece 3 at spout 17 middle part, can control the position of slider 18 in spout 17 inside for slider 18 can only stop at the inside both ends of spout 17, makes light filter 15 more stable in the position of during operation, reduces light filter 15 and slides the aversion that causes because of slider 18 on spout 17 when the during operation and rocks the problem.
Through being equipped with magnet b41 and magnet a2 on glass tube a1 and cooperating, can be when the process of the internal posture of the glass tube a1 of control light filter 15, direct adjustment magnet b41 on the slide rail 4 is put in order, can realize magnet b41 to magnet a 2's absorption, make magnet a2 take the slider 18 to move together in glass tube a1, have made things convenient for the control to magnet a2 more, at the same time, when slide rail 4 stands on slide rail 4, also sustainable absorb magnet a2, make the slider 18 more difficult to shift problem on chute 17; through being equipped with flexible buffer block 5 inside glass pipe a1 and buffering support frame 19, can be when slider 18 slides on spout 17, when the tip of spout 17 is contacted soon, support frame 19 can strike buffering with flexible buffer block 5, then flexible buffer block 5 absorbs the kinetic energy of part through self deformation, reduces the impact force of slider 18 to spout 17, makes the state of light filter 15 between support frame 19 more stable simultaneously.
By arranging a plurality of groups of cavities 6 in the flexible buffer block 5, when the flexible buffer block 5 is impacted, the cavities 6 can be contracted, so that the impact force of the support frame 19 on the flexible buffer block 5 is further absorbed, and the stability of adjusting the position of the sliding block 18 is improved; by setting the end of the rotary support 16 to be arc-shaped, the support of the rotary support 16 to the optical filter 15 is smoother, and a large number of scratches do not appear on the optical filter 15 when the optical filter 15 rotates on the rotary support 16; by providing the elastic rod 7 and the flexible extrusion block 71 on the rotary support 16 to contact and support the optical filter 15, the elastic rod 7 controls the optical filter 15 when the optical filter 15 rotates on the rotary support 16, and the shaking amplitude of the optical filter 15 when the optical filter 15 is adjusted in position is reduced.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A high performance 100G dense wavelength division multiplexing device, characterized by: comprises a glass tube a (1); glass tubes b (11) are arranged at two ends of the glass tube a (1); the glass tube b (11) is adhered to the end part of the glass tube a (1) through glue; wherein, the inside of the glass tube b (11) at one end is fixedly connected with an optical fiber a (13); the optical fiber a (13) is fixedly connected with a glass tube c (12) at the end part positioned in the glass tube a (1); the other glass tube b (11) is fixedly connected with an optical fiber b (14); an optical filter (15) is arranged inside the glass tube a (1) between the optical fiber a (13) and the optical fiber b (14); one end part of the optical filter (15) is rotatably connected with a rotary bracket (16); the bottom end of the rotary support (16) is fixedly connected to the inner side wall of the glass tube a (1); a chute (17) is formed in the inner side wall of the glass tube a (1); a sliding block (18) is connected to the sliding groove (17) in a sliding manner; a supporting frame (19) is fixedly connected to the bottom of the sliding block (18); an elastic pull rope (110) is connected between the two supporting legs of the supporting frame (19); the middle part of the elastic stay rope (110) is connected with the other end part of the optical filter (15);
CN202111508442.3A2021-12-102021-12-10High-performance 100G dense wavelength division multiplexing deviceActiveCN114325950B (en)

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Application NumberPriority DateFiling DateTitle
CN202111508442.3ACN114325950B (en)2021-12-102021-12-10High-performance 100G dense wavelength division multiplexing device

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
CN202111508442.3ACN114325950B (en)2021-12-102021-12-10High-performance 100G dense wavelength division multiplexing device

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CN114325950A CN114325950A (en)2022-04-12
CN114325950Btrue CN114325950B (en)2024-03-26

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Citations (6)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US6347170B1 (en)*1999-05-062002-02-12Jds Uniphase, Inc.Low-cost wavelength division multiplexed (WDM) coupler with more flexible and precise optical faith adjustment
CN2724307Y (en)*2004-08-102005-09-07江苏中天科技股份有限公司Full glass substrate dense wave division duplex device
CN206020719U (en)*2016-06-302017-03-15苏州伽蓝致远电子科技股份有限公司A kind of miniature low-loss optical wavelength division multiplexer
CN211086685U (en)*2019-08-022020-07-24深圳市飞宇光纤系统有限公司100G intensive wavelength division multiplexer of double-circuit area distribution function
CN213633910U (en)*2020-12-242021-07-06江苏永鼎光电子技术有限公司Wavelength division multiplexer
CN113406748A (en)*2020-03-172021-09-17华为技术有限公司Wavelength division multiplexing device and wavelength selection switch

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
TW499584B (en)*2001-11-082002-08-21Delta Electronics IncWavelength division multiplexer and method of wavelength division
US6690854B2 (en)*2002-03-152004-02-10Agilent Technologies, Inc.Optical wavelength division multiplexer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US6347170B1 (en)*1999-05-062002-02-12Jds Uniphase, Inc.Low-cost wavelength division multiplexed (WDM) coupler with more flexible and precise optical faith adjustment
CN2724307Y (en)*2004-08-102005-09-07江苏中天科技股份有限公司Full glass substrate dense wave division duplex device
CN206020719U (en)*2016-06-302017-03-15苏州伽蓝致远电子科技股份有限公司A kind of miniature low-loss optical wavelength division multiplexer
CN211086685U (en)*2019-08-022020-07-24深圳市飞宇光纤系统有限公司100G intensive wavelength division multiplexer of double-circuit area distribution function
CN113406748A (en)*2020-03-172021-09-17华为技术有限公司Wavelength division multiplexing device and wavelength selection switch
CN213633910U (en)*2020-12-242021-07-06江苏永鼎光电子技术有限公司Wavelength division multiplexer

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