CN103091781A - Light attenuator - Google Patents
Light attenuator Download PDFInfo
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- CN103091781A CN103091781A CN2013100427322A CN201310042732A CN103091781A CN 103091781 A CN103091781 A CN 103091781A CN 2013100427322 A CN2013100427322 A CN 2013100427322A CN 201310042732 A CN201310042732 A CN 201310042732A CN 103091781 A CN103091781 A CN 103091781A
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- porcelain core
- optical attenuator
- extending bore
- axially extending
- porcelain
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Abstract
The invention discloses a light attenuator which comprises a fixed flange, a first porcelain core and a second porcelain core, wherein the fixed flange is provided with a first axial through hole, the first porcelain core is capable of axially moving in the first axial through hole, the end portion of the second porcelain core is arranged in the first axial through hole and the extension direction of the second porcelain core is the same with that of the first porcelain core. Optical fiber is respectively arranged in the first porcelain core and the second porcelain core. The light attenuator further comprises a power component which is capable of remotely controlling power-on and power-off of the light attenuator. A power output end of the power component is connected with the first porcelain core and drives the first porcelain core to move toward the second porcelain core. When a light attenuating value needs to be adjusted, the power component is just remotely controlled. The light attenuator has the advantages of being easy and convenient to operate, and capable of not only improving adjustment efficiency of the light attenuating value, but also reducing workload of workers and dependence to the workers, not mistakenly touching with other fiber cores in the process of use, reducing accident rate, improving reliability and stability of a communication network, simultaneously providing various different attenuating values, meeting requirements of various light communication devices, and prolonging service life.
Description
Technical field
The present invention relates to the communication facilities technical field, particularly relate to a kind of Optical attenuator.
Background technology
Light distribution plant (ODF) is widely used in optical communication field.At present; domestic each enterprise and common carrier adopt the tail optical fiber joint to realize the light distribution without the ODF of attenuation formula substantially; in the situation that in transmitting procedure, luminous power is excessive; in order to protect optical communication equipment, often adopt the mode that the ODF inner flange is changed to the certain Optical attenuator of attenuation value first watch to reach the received optical power requirement of optical communication equipment.
This traditional ODF distribution plant has the following disadvantages:
1, there is potential safety hazard.
Along with current optical communication network, the especially continuous expansion of powerline network scale, the continuous increase of communication site.Distance between communication site and website is comparatively frequent, variable in distance between the communication site, just probably need to adjust the attenuation between the communication site, and use traditional ODF distribution plant will adjust attenuation value, optical fiber thermoconnecting tray must be removed from ODF, and suitable Optical attenuator is changed in opening quotation.Owing to probably also having other fibre cores that using on optical fiber thermoconnecting tray, therefore remove optical fiber thermoconnecting tray, opening quotation and change in the process of Optical attenuator and probably touch the fibre core that other are using by mistake, cause the interruption of communication service, cause security incident.
2, operation inconvenience affects work efficiency.
The job step of removing optical fiber thermoconnecting tray, opening quotation replacing Optical attenuator is more, and complicated operation often need 2 people to coordinate and complete, and operating personnel need be familiar with the inner structure of optical fiber thermoconnecting tray and the connected mode of Optical attenuator.Therefore, adopt traditional ODF equipment work efficiency when adjusting attenuation not high.
3, the Optical attenuator attenuation numerical value kind that adopts in the ODF distribution plant is few, and optical communication equipment is difficult to be operated in optimum value, affects the life-span.
In current optical communication network, generally adopt the definite value Optical attenuator, attenuation value is generally 5dB, 10dB, 15dB.Kind is less.Cause being difficult to make optical communication equipment to be operated on the optimal light attenuation value in the process of adjusting attenuation value, caused the minimizing of service life of equipment
How in the attenuation amount of guaranteeing the basic adjusted optical fiber that distribution plant is safe and reliable, improving the reliability and stability of communication network, is the present technical issues that need to address of those skilled in the art.
Summary of the invention
The purpose of this invention is to provide a kind of Optical attenuator, this Optical attenuator can be in the attenuation amount of guaranteeing the basic adjusted optical fiber that distribution plant is safe and reliable, to improve the reliability and stability of communication network.
For achieving the above object, the invention provides a kind of Optical attenuator, comprise mounting flange with first axially extending bore, can be in described the first axially extending bore axially movable the first porcelain core, and the end is located in described the first axially extending bore and second porcelain core identical with described the first porcelain core bearing of trend, be equipped with optical fiber in described the first porcelain core and described the second porcelain core, the Power Component that also comprises remote controlled its start and stop, the clutch end of this Power Component connects described the first porcelain core, and promotes described the first porcelain core and move to described the second porcelain core.
Preferably, described the first porcelain core comprise first paragraph and with the second segment of radial dimension greater than described first paragraph, described first paragraph is located in described the first axially extending bore, described second segment outside described the first axially extending bore and and described mounting flange between be provided with the elastomeric element of axial stretching.
Preferably, described mounting flange near a side of described the first porcelain core be provided with described mounting flange coaxial extend axially platform, described elastomeric element is sheathed on the described periphery that extends axially platform.
Preferably, the described circumferential side wall that extends axially platform has hollow structure.
Preferably, described Power Component comprise motor, by described motor-driven worm screw, with the worm gear of described worm mesh, the double-screw bolt that is fixedly connected with described worm gear, and the transmission bracket that screws togather with described double-screw bolt, this transmission bracket is fixedly connected with described mounting flange, and the end of described worm gear and described the first porcelain core offset.
Preferably, also comprise the scrambler that calculates the described electric machine rotation number of turns.
Preferably, described worm gear has the second axially extending bore, and described the first porcelain core also comprises the 3rd section that is located in described the second axially extending bore, and the end face of described second segment and described worm gear offsets.
Preferably, described worm gear, described the second axially extending bore are coaxial with described the first porcelain core three.
Preferably, described double-screw bolt has three axially extending bore coaxial with described the second axially extending bore, and the optical fiber of establishing in described the first porcelain core is derived from described the 3rd axially extending bore.
Optical attenuator provided by the present invention, comprise mounting flange, the first porcelain core and the second porcelain core, mounting flange has the first axially extending bore, be equipped with optical fiber in the first porcelain core and the second porcelain core, the end of the second porcelain core is arranged in the first axially extending bore, and the attenuation amount of this Optical attenuator is adjusted by the optical fiber end in the first porcelain core and the distance between the optical fiber end in the second porcelain core.Unlike the prior art be, attenuator provided by the present invention also comprises Power Component, and this Power Component can Long-distance Control its start or stop, the clutch end of Power Component connects the first porcelain core, and promotes the first porcelain core and move to the second porcelain core.When needs are adjusted this light decay consumption and light attenuation value, only need the Long-distance Control Power Component to get final product, do not need to remove optical fiber thermoconnecting tray, do not need opening quotation to change Optical attenuator yet, simple to operation, only need a people just can operate, not only can improve the regulated efficiency of adjusting the light attenuation value, can also reduce staff's workload, when also having reduced the light decay consumption and having adjusted to staff's dependence.And, can not produce mistake by the Long-distance Control Optical attenuator and touch the fibre core that other are using, reduce the possibility that communication service is interrupted, reduce the security incident incidence, improve and adjust reliability, to improve the reliability and stability of communication network.
Simultaneously, existing Optical attenuator attenuation numerical value kind is few, and optical communication equipment is difficult to be operated in optimum value, affects its serviceable life.The light attenuation value of Optical attenuator provided by the present invention is adjustable, and multiple different attenuation value can be provided, and satisfies multiple light communication facilities needs, makes optical communication equipment in optimum value work, extends its serviceable life.
A kind of preferred embodiment in, described the first porcelain core comprise first paragraph and with the second segment of radial dimension greater than described first paragraph, described first paragraph is located in described the first axially extending bore, described second segment outside described the first axially extending bore and and described mounting flange between be provided with the elastomeric element of axial stretching.Utilize Power Component to push the first porcelain core to second porcelain core, reducing the distance between the first porcelain core end and the second porcelain core end, and then reduce the attenuation value of Optical attenuator.Elastomeric element between second segment and mounting flange and push away to the second porcelain core at the first porcelain core and be in compressive state when near, when attenuation value need to increase, the active force that Power Component acts on the first porcelain core disappears, the bounce of elastomeric element will promote the first porcelain core away from the second porcelain core, distance between the first porcelain core and the second porcelain core is increased, the attenuation value of Optical attenuator increases, and reaches to regulate the purpose that attenuation value increases.Like this, the distance between the first porcelain core and the second porcelain core both can increase, and also can dwindle, and realized the effect that the attenuation value of Optical attenuator tunes up and turns down.
In another preferred embodiment, described Power Component comprise motor, by described motor-driven worm screw, with the worm gear of described worm mesh, the double-screw bolt that is fixedly connected with described worm gear, and the transmission bracket that screws togather with described double-screw bolt, this transmission bracket is fixedly connected with described mounting flange, and the end of described worm gear and described the first porcelain core offset.During electric machine rotation, drive worm screw and rotate, and then drive worm gear and the double-screw bolt that is fixedly connected with worm gear; The double-screw bolt rotation, the transmission bracket that screws togather with it will be driven, one in transmission bracket and double-screw bolt is moved vertically, and transmission bracket is fixed on to be fixedly connected with on flange and keeps motionless, double-screw bolt moves vertically, drives worm gear and moves vertically, and then the first porcelain core is moved vertically, distance between the first porcelain core and the second porcelain core is adjusted, and reaches the purpose of adjusting Optical attenuator.This Stability Analysis of Structures is reliable, can improve the adjustment reliability of Optical attenuator.Simultaneously, motor can adopt micromachine, can reduce the overall volume of Optical attenuator, realizes the Optical attenuator miniaturization, is consistent with existing smooth distribution plant.Light distribution plant use amount in the communication site is huge, and the operational rack limited amount in communication site.Therefore, the Optical attenuator applicability of small volume is better, is conducive to marketing.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of Optical attenuator provided by the present invention;
Fig. 2 is the cut-open view of Optical attenuator shown in Figure 1;
Fig. 3 is the structural representation of first a kind of embodiment of porcelain core provided by the present invention.
Embodiment
Core of the present invention is to provide a kind of Optical attenuator, and this Optical attenuator can be in the attenuation amount of guaranteeing the basic adjusted optical fiber that distribution plant is safe and reliable, to improve the reliability and stability of communication network.
In order to make those skilled in the art person understand better the present invention program, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of a kind of embodiment of Optical attenuator provided by the present invention; Fig. 2 is the cut-open view of Optical attenuator shown in Figure 1.
Optical attenuator provided by the present invention, comprise mounting flange 1, the first porcelain core 2 and the second porcelain core 3, mounting flange has the first axially extending bore 11, be equipped with optical fiber in the first porcelain core 2 and the second porcelain core 3, the end of the second porcelain core 3 is arranged in the first axially extending bore 11, and the attenuation amount of this Optical attenuator is adjusted by the distance between the optical fiber end in the optical fiber end in the first porcelain core 2 and the second porcelain core 3.Unlike the prior art be, attenuator provided by the present invention also comprises Power Component, and this Power Component can Long-distance Control its start or stop, the clutch end of Power Component connects the first porcelain core 2, and promotes the first porcelain core 2 and move to the second porcelain core 3.
When needs are adjusted this light decay consumption and light attenuation value, only need the Long-distance Control Power Component to get final product, do not need to remove optical fiber thermoconnecting tray, do not need opening quotation to change Optical attenuator yet, simple to operation, only need a people just can operate, not only can improve the regulated efficiency of adjusting the light attenuation value, can also reduce staff's workload, when also having reduced the light decay consumption and having adjusted to staff's dependence.And, can not produce mistake by the Long-distance Control Optical attenuator and touch the fibre core that other are using, reduce the possibility that communication service is interrupted, reduce the security incident incidence, improve and adjust reliability, also improve the reliability and stability of communication network.
Simultaneously, existing Optical attenuator attenuation numerical value kind is few, and optical communication equipment is difficult to be operated in optimum value, affects its serviceable life.The light attenuation value of Optical attenuator provided by the present invention is adjustable, and multiple different attenuation value can be provided, and satisfies multiple light communication facilities needs, makes optical communication equipment in optimum value work, extends its serviceable life.
Therefore, Optical attenuator provided by the present invention not only can realize exempting to tear open adjusting when regulating the light attenuation value, can also realize many attenuation values adjustings, and it is easy to adjust, and applicability is good.
Please refer to Fig. 3, Fig. 3 is the structural representation of first a kind of embodiment of porcelain core provided by the present invention.
In a kind of concrete embodiment, the first porcelain core 2 comprise first paragraph 21 and with the second segment 22 of radial dimension greater than first paragraph 21, first paragraph 21 is located in the first axially extending bore 11, second segment 22 outside the first axially extending bore 11 and and mounting flange 1 between be provided with the elastomeric element 4 of axial stretching.Utilize Power Component to push the first porcelain core 2 to second porcelain core 3, reducing the distance between the first porcelain core 2 ends and the second porcelain core 3 ends, and then reduce the attenuation value of Optical attenuator.
Elastomeric element 4 between second segment 22 and mounting flange 1 pushes away to the second porcelain core 3 at the first porcelain core 2 and is in compressive state when near, when attenuation value need to increase, the active force that Power Component acts on the first porcelain core 2 disappears, the bounce of elastomeric element 4 will promote the first porcelain core 2 away from the second porcelain core 3, distance between the first porcelain core 2 and the second porcelain core 3 is increased, the attenuation value of Optical attenuator increases, and reaches to regulate the purpose that attenuation value increases.Like this, the distance between the first porcelain core 2 and the second porcelain core 3 both can increase, and also can dwindle, and realized the effect that the attenuation value of Optical attenuator tunes up and turns down.
Particularly, mounting flange 1 near a side of the first porcelain core 2 be provided with mounting flange 1 coaxial extend axially platform 5, elastomeric element 4 is sheathed on the periphery that extends axially platform 5.Obviously, the natural length of elastomeric element 4 is longer than and is extended axially platform 5, and the first porcelain core 2 is during to the second porcelain core 3 motion, elasticity of compression parts 4, and its compressible length should be more than or equal to the distance between the first porcelain core 2 and the second porcelain core 3.Namely during the first porcelain core 2 elasticity of compression parts 4, second segment 22 is constantly close to extending axially platform 5, but second segment 22 not can the first porcelain core 2 to the second porcelain core 3 near the time form and interfere, even the first porcelain core 2 and the second porcelain core 3 offset, second segment 22 and extend axially between the end of platform 5 and still have suitable distance, perhaps second segment 22 offsets with the end that extends axially platform 5 just.Elastomeric element 4 is set in the periphery that extends axially platform 5, can plays guide effect when elastomeric element 4 distortion, avoid affecting the direction that the first porcelain core 2 moves after elastomeric element 4 distortion, improve the reliability that the first porcelain core 2 moves.
Wherein, elastomeric element 4 can be spring, and the circumferential side wall that extends axially platform 5 can have hollow structure.As shown in Figure 2, extend axially platform 5 and be similar to hollow shell, this inner walls can be used for the first porcelain core 2 guiding, and outer wall can be used for elastomeric element 4 guiding, the stability when adjusting to improve Optical attenuator.Simultaneously, the structure of hollow can reduce the quality of Optical attenuator, reduces the raw material consumption of producing Optical attenuator, reduces the cost of Optical attenuator.
A kind of preferred embodiment in, Power Component comprises motor 61, the worm screw 62 by motor 61 drivings, the worm gear 63 with worm screw 62 engagements, the double-screw bolt 64 that is fixedly connected with worm gear 63, and the transmission bracket 65 that screws togather with double-screw bolt 64, this transmission bracket 65 is fixedly connected with mounting flange 1, and the end of worm gear 63 and the first porcelain core 2 offset.When motor 61 rotates, drive worm screw 62 and rotate, and then drive worm gear 63 and the double-screw bolt 64 that is fixedly connected with worm gear 63; Double-screw bolt 64 rotations, the transmission bracket 65 that screws togather with it will be driven, one in transmission bracket 65 and double-screw bolt 64 is moved vertically, and transmission bracket 65 is fixed on to be fixedly connected with on flange and keeps motionless, double-screw bolt 64 moves vertically, drives worm gear 63 and moves vertically, and then the first porcelain core 2 is moved vertically, distance between the first porcelain core 2 and the second porcelain core 3 is adjusted, and reaches the purpose of adjusting Optical attenuator.This Stability Analysis of Structures is reliable, can improve the adjustment reliability of Optical attenuator.
Simultaneously, motor 61 can adopt micromachine, can reduce the overall volume of Optical attenuator, realizes the Optical attenuator miniaturization, is consistent with existing smooth distribution plant.Light distribution plant use amount in the communication site is huge, and the operational rack limited amount in communication site.Therefore, the Optical attenuator applicability of small volume is better, is conducive to marketing.
Further, above-mentioned Optical attenuator can also comprise the scrambler 7 that calculates the motor 61 rotation number of turns.When motor 61 rotates, the number of turns that motor 61 rotates can be put down in writing and store to scrambler 7, and can draw according to the number of turns that motor 61 rotates the number of turns that worm screw 62 is rotated, and then draw the angle that worm gear 63 and double-screw bolt 64 rotates, pitch in conjunction with double-screw bolt 64 can draw the distance that worm gear 63 moves vertically again, thereby obtain the distance that the first porcelain core 2 moves, converse the light decay consumption.
Like this, the motor revolution of scrambler 7 records and the value of light decay consumption can form rule.When the staff controls motor 61, can accurately control according to the adjusting needs of light attenuation value the revolution of motor 61, regulate intuitive and convenient, accuracy rate is high.
In a kind of concrete embodiment, worm gear 63 can have the second axially extending bore, and the first porcelain core 2 also comprises the 3rd section 23 that is located in the second axially extending bore, and second segment 22 offsets with the end face of worm gear 63.Be that worm gear 63 and mounting flange 1 have axially extending bore, the first porcelain core 2 is divided into three sections, and first paragraph 21 is in the first axially extending bore 11 of flange, and the 3rd section 23 in the second axially extending bore of worm gear 63, the radial dimension of second segment 22 is larger, between mounting flange 1 and worm gear 63.Obviously, worm gear 63, the second axially extending bore and the first porcelain core 2 are can the three coaxial, with avoid the first porcelain core 2 in moving process because of eccentric unstable, further improve the reliability of Optical attenuator.
Simultaneously, double-screw bolt 64 can have the 3rd axially extending bore, and the 3rd axially extending bore is coaxial with the second axially extending bore, and the optical fiber of establishing in the first porcelain core 2 is derived from the 3rd axially extending bore.This convenience simple in structure, and reliable and stable.
Above Optical attenuator provided by the present invention is described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (9)
1. Optical attenuator, comprise mounting flange with first axially extending bore, can be in described the first axially extending bore axially movable the first porcelain core, and the end is located in described the first axially extending bore and second porcelain core identical with described the first porcelain core bearing of trend, be equipped with optical fiber in described the first porcelain core and described the second porcelain core, it is characterized in that, the Power Component that also comprises remote controlled its start and stop, the clutch end of this Power Component connects described the first porcelain core, and promotes described the first porcelain core and move to described the second porcelain core.
2. Optical attenuator according to claim 1, it is characterized in that, described the first porcelain core comprise first paragraph and with the second segment of radial dimension greater than described first paragraph, described first paragraph is located in described the first axially extending bore, described second segment outside described the first axially extending bore and and described mounting flange between be provided with the elastomeric element of axial stretching.
3. Optical attenuator according to claim 2, is characterized in that, described mounting flange near a side of described the first porcelain core be provided with described mounting flange coaxial extend axially platform, described elastomeric element is sheathed on the described periphery that extends axially platform.
4. Optical attenuator according to claim 3, is characterized in that, the described circumferential side wall that extends axially platform has hollow structure.
5. the described Optical attenuator of according to claim 2 to 4 any one, it is characterized in that, described Power Component comprise motor, by described motor-driven worm screw, with the worm gear of described worm mesh, the double-screw bolt that is fixedly connected with described worm gear, and the transmission bracket that screws togather with described double-screw bolt, this transmission bracket is fixedly connected with described mounting flange, and the end of described worm gear and described the first porcelain core offset.
6. Optical attenuator according to claim 5, is characterized in that, also comprises the scrambler that calculates the described electric machine rotation number of turns.
7. Optical attenuator according to claim 5, is characterized in that, described worm gear has the second axially extending bore, and described the first porcelain core also comprises the 3rd section that is located in described the second axially extending bore, and the end face of described second segment and described worm gear offsets.
8. Optical attenuator according to claim 7, is characterized in that, described worm gear, described the second axially extending bore are coaxial with described the first porcelain core three.
9. Optical attenuator according to claim 7, is characterized in that, described double-screw bolt has three axially extending bore coaxial with described the second axially extending bore, and the optical fiber of establishing in described the first porcelain core is derived from described the 3rd axially extending bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100427322A CN103091781A (en) | 2013-02-04 | 2013-02-04 | Light attenuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100427322A CN103091781A (en) | 2013-02-04 | 2013-02-04 | Light attenuator |
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| Publication Number | Publication Date |
|---|---|
| CN103091781A true CN103091781A (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100427322A Pending CN103091781A (en) | 2013-02-04 | 2013-02-04 | Light attenuator |
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| CN (1) | CN103091781A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413767A (en) * | 2020-05-11 | 2020-07-14 | 国网河北省电力有限公司 | Variable attenuator for communication |
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|---|---|---|---|---|
| US6256446B1 (en) * | 1999-04-20 | 2001-07-03 | Amphenol Corporation | Variable optical attenuator having a linear response |
| US20040096178A1 (en) * | 2002-08-30 | 2004-05-20 | Jones Sean L. | Variable attenuator for optical fiber applications |
| CN200941125Y (en) * | 2006-08-22 | 2007-08-29 | 江苏宇通光器件科技有限公司 | All-plastic FC/PC optical fiber bushing adaptor assembly |
| WO2010023931A1 (en) * | 2008-08-29 | 2010-03-04 | 興和株式会社 | 1-adamantylazetidin-2-one derivative and pharmaceutical preparation comprising same |
| CN203084237U (en) * | 2013-02-04 | 2013-07-24 | 宁波电业局 | Optical attenuator |
-
2013
- 2013-02-04 CN CN2013100427322A patent/CN103091781A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6256446B1 (en) * | 1999-04-20 | 2001-07-03 | Amphenol Corporation | Variable optical attenuator having a linear response |
| US20040096178A1 (en) * | 2002-08-30 | 2004-05-20 | Jones Sean L. | Variable attenuator for optical fiber applications |
| CN200941125Y (en) * | 2006-08-22 | 2007-08-29 | 江苏宇通光器件科技有限公司 | All-plastic FC/PC optical fiber bushing adaptor assembly |
| WO2010023931A1 (en) * | 2008-08-29 | 2010-03-04 | 興和株式会社 | 1-adamantylazetidin-2-one derivative and pharmaceutical preparation comprising same |
| CN203084237U (en) * | 2013-02-04 | 2013-07-24 | 宁波电业局 | Optical attenuator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413767A (en) * | 2020-05-11 | 2020-07-14 | 国网河北省电力有限公司 | Variable attenuator for communication |
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Application publication date: 20130508 |