CN209280996U - A kind of miniature online optical fiber adjustable attenuator - Google Patents
A kind of miniature online optical fiber adjustable attenuator Download PDFInfo
- Publication number
- CN209280996U CN209280996U CN201920142868.3U CN201920142868U CN209280996U CN 209280996 U CN209280996 U CN 209280996U CN 201920142868 U CN201920142868 U CN 201920142868U CN 209280996 U CN209280996 U CN 209280996U
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- CN
- China
- Prior art keywords
- attenuator
- adjusting knob
- shell
- motion bar
- optical fiber
- Prior art date
- 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
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Abstract
The utility model discloses a kind of miniature online optical fiber adjustable attenuators, belong to attenuator technical field, including attenuator shell, the inside of the attenuator shell is equipped with attenuator ontology, and the two sides of attenuator shell are provided with and the integrally formed wire barrel of attenuator shell, the inside of the wire barrel is equipped with optical fiber cable, cap is installed above the attenuator shell, the utility model is provided with adjusting knob and motion bar, adjusting knob is installed at the top of shaft adjusting, the outer ring of adjusting knob is provided with anti-slip part, shaft is adjusted convenient for rotation, and motion bar is symmetrically installed at the top of adjusting knob, motion bar is rotatablely connected by the runner slot in shaft and adjusting knob, when adjusting knob skids, motion bar is plucked out from motion bar slot, rotate 180 degree, by catching motion bar to be rotated, Skidding is avoided, solves the problems, such as that adjusting knob is easy to skid.
Description
Technical field
The utility model belongs to attenuator technical field, and in particular to a kind of miniature online optical fiber adjustable attenuator.
Background technique
Fibre optic attenuator is a kind of optical passive component that can reduce light signal energy.For the decaying to input optical power,
It avoids due to the distortion that input optical power is superpower and generates photoreceiver, optical power is debugged in optical communication system
The scaling correction of energy, debugging optical fiber instrument, fiber-optic signal decaying, online adjustable optic fibre attenuator is as a kind of passive device of light
Part is that one kind can provide the accurate device of certain attenuation according to requirement of engineering, and product is used in various optical fiber transmission lines, into
The light intensity attenuation of row predetermined amount.
Fibre optic attenuator in the market is all mounted in closed shell, and the measure without enhancing heat dissipation effect, is made
It is poor to obtain attenuator heat dissipation performance, and it is usually smaller to be mounted on the adjusting knob at the top of attenuator, and be easy to skid, is not easy to adjust
H-section attenuator H.
Utility model content
The purpose of this utility model is to provide a kind of miniature online optical fiber adjustable attenuators, to solve above-mentioned background skill
It is proposed that attenuator heat dissipation performance difference and adjusting knob are easy the problem of skidding in art.
To achieve the above object, the utility model provides the following technical solutions: a kind of miniature online optical fiber adjustable damping
Device, including attenuator shell, the inside of the attenuator shell is equipped with attenuator ontology, and the two sides of attenuator shell are all provided with
It is equipped with and optical fiber cable, the attenuator shell is installed with the integrally formed wire barrel of attenuator shell, the inside of the wire barrel
Top cap is installed, the bottom of the attenuator shell be provided with integrally formed first radiating groove of attenuator shell,
The inside spaced set of first radiating groove has the first heat sink, and the two sides of the attenuator shell are provided with and decay
Integrally formed second radiating groove of device shell, the inside spaced set of second radiating groove has the second heat sink, described to decline
Subtract and is rotatably connected to adjusting shaft at the top of device ontology, the outside for adjusting shaft through cap and extend to cap, and adjust
Adjusting knob is installed at the top of section shaft.
Preferably, the two sides of first heat sink are provided with ripple glaze, and second heat sink two sides are provided with
Ripple glaze.
Preferably, the adjusting knob is cylindrical structure, and adjusting knob is provided with and adjusts close to the position of bottom
The integrally formed anti-slip part of knob.
Preferably, the adjusting knob is provided with runner slot, the side setting of the runner slot close to the position of anti-skid chequer
Have a motion bar slot, the runner slot is rotatably connected to runner by shaft, the side of the runner be provided with runner one at
The motion bar of type.
Preferably, one end of the motion bar be provided with the integrally formed slot pulling of motion bar, the slot pulling be U-shaped knot
Structure.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model is provided with the first heat sink and the second heat sink, and the bottom of attenuator shell is provided with the
One radiating groove is equidistantly equipped with the first heat sink inside the first radiating groove, is provided in the two sides of attenuator shell
Two radiating grooves, are equidistantly equipped with the second heat sink inside the second radiating groove, and in the first heat sink and the second heat sink
Two sides are provided with ripple glaze, enhance the heat dissipation of attenuator, solve the problems, such as that attenuator heat dissipation performance is poor.
(2) the utility model is provided with adjusting knob and motion bar, is equipped with adjusting knob at the top of shaft adjusting, adjusts
The outer ring of section knob is provided with anti-slip part, adjusts shaft convenient for rotation, and motion bar is symmetrically installed at the top of adjusting knob,
Motion bar is rotatablely connected by the runner slot on shaft and adjusting knob, when adjusting knob skids, by motion bar from motion bar
It is plucked out in slot, rotates 180 degree, by catching motion bar to be rotated, avoided skidding, solve adjusting knob and be easy skidding
Problem.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the side view of the utility model；
Fig. 3 is the top view of the utility model；
Fig. 4 is the adjusting knob structural schematic diagram of the utility model；
In figure: 1- optical fiber cable, 2- wire barrel, 3- attenuator shell, the first radiating groove of 4-, the first heat sink of 5-, 6- decaying
Device ontology, the second radiating groove of 7-, the second heat sink of 8-, 9- cap, 10- adjust shaft, 11- adjusting knob, 12- anti-slip part, 13-
Runner, 14- motion bar, 15- slot pulling, 16- runner slot, 17- motion bar slot.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to shown in Fig. 1-Fig. 4, the utility model provides a kind of technical solution: a kind of miniature online optical fiber is adjustable to decline
Subtract device, including attenuator shell 3, the inside of attenuator shell 3 is equipped with attenuator ontology 6, and the two sides of attenuator shell 3 are equal
It is provided with and optical fiber cable 1 is installed with the integrally formed wire barrel 2 of attenuator shell 3, the inside of wire barrel 2, attenuator shell 3
Top is equipped with cap 9, the bottom of attenuator shell 3 be provided with integrally formed first radiating groove 4 of attenuator shell 3,
The inside spaced set of one radiating groove 4 has the first heat sink 5, and the two sides of attenuator shell 3 are provided with and attenuator shell 3
Integrally formed second radiating groove 7, the inside spaced set of the second radiating groove 7 have the second heat sink 8, and attenuator ontology 6 produces
Raw heat transfer is transmitted to air to the bottom and two sides of attenuator shell 3, and by the first heat sink 5 and the second heat sink 8
In, convenient for the heat dissipation of attenuator ontology 6, the top of attenuator ontology 6, which is rotatably connected to, adjusts shaft 10, adjusts shaft 10 and runs through
Cap 9 and the outside for extending to cap 9, and the top for adjusting shaft 10 is equipped with adjusting knob 11.
For the ease of enhancing heat dissipation, in this example, it is preferred that the two sides of the first heat sink 5 are provided with ripple glaze, and second
8 two sides of heat sink are provided with ripple glaze.
For the ease of rotation of adjustment knob 11, in this example, it is preferred that adjusting knob 11 is cylindrical structure, and is adjusted
Knob 11 is provided with and the integrally formed anti-slip part 12 of adjusting knob 11 close to the position of bottom.
For the ease of quickly rotating, in this example, it is preferred that adjusting knob 11 is provided with close to the position of anti-skid chequer 12 to be turned
Race 16, the side of runner slot 16 are provided with motion bar slot 17, and runner slot 16 is rotatably connected to runner 13, runner 13 by shaft
Side be provided with and the integrally formed motion bar 14 of runner 13.
For the ease of plucking out motion bar 14, in this example, it is preferred that one end of motion bar 14 is provided with and motion bar 14 1
Body formed slot pulling 15, slot pulling 15 are U-shaped structure.
The working principle and process for using of the utility model: when using the device, optical fiber cable 1 accesses attenuator ontology 6
Inside is decayed by attenuator ontology 6, when needing the attenuation degree of regulated attenuator ontology 6, catches adjusting knob 11
Rotation, which drives, adjusts shaft 10, adjusts shaft 10 and connect with 6 inner rotation of attenuator ontology, and then regulated attenuator ontology 6
When attenuation degree, when adjusting knob 11 skids, using slot pulling 15, motion bar 14 is plucked out from motion bar slot 17, rotation 180
Degree, four motion bars 14 form cross structure and skidding are avoided, in attenuator sheet by catching motion bar 14 to be rotated
At one section of the work of body 6, the heat of generation is by attenuator shell 3, by being mounted on the first heat sink 5 of 3 bottom of attenuator shell,
With the first heat sink 8 for being mounted on 3 two sides of attenuator shell, drain heat, and the first heat sink 5 and the second heat sink 8
Two sides are provided with ripple glaze, enhance the heat dissipation of attenuator ontology 6.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of miniature online optical fiber adjustable attenuator, including attenuator shell, the inside of the attenuator shell are equipped with
Attenuator ontology, and the two sides of attenuator shell are provided with and the integrally formed wire barrel of attenuator shell, the wire barrel
Inside optical fiber cable is installed, cap is installed above the attenuator shell, it is characterised in that: the attenuator shell
Bottom, which is provided with, has with integrally formed first radiating groove of attenuator shell, the inside spaced set of first radiating groove
One heat sink, the two sides of the attenuator shell be provided with integrally formed second radiating groove of attenuator shell, described
The inside spaced set of two radiating grooves has the second heat sink, is rotatably connected to adjusting shaft at the top of the attenuator ontology,
The outside for shaft being adjusted through cap and extend to cap, and adjust and adjusting knob is installed at the top of shaft.
2. the miniature online optical fiber adjustable attenuator of one kind according to claim 1, it is characterised in that: first heat dissipation
The two sides of plate are provided with ripple glaze, and second heat sink two sides are provided with ripple glaze.
3. the miniature online optical fiber adjustable attenuator of one kind according to claim 1, it is characterised in that: the adjusting knob
For cylindrical structure, and adjusting knob is provided with and the integrally formed anti-slip part of adjusting knob close to the position of bottom.
4. the miniature online optical fiber adjustable attenuator of one kind according to claim 1, it is characterised in that: the adjusting knob
The position of anti-skid chequer is provided with runner slot, the side of the runner slot is provided with motion bar slot, and the runner slot is by turning
Axis is rotatably connected to runner, and the side of the runner is provided with and the integrally formed motion bar of runner.
5. the miniature online optical fiber adjustable attenuator of one kind according to claim 4, it is characterised in that: the motion bar
One end be provided with the integrally formed slot pulling of motion bar, the slot pulling be U-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920142868.3U CN209280996U (en) | 2019-01-25 | 2019-01-25 | A kind of miniature online optical fiber adjustable attenuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920142868.3U CN209280996U (en) | 2019-01-25 | 2019-01-25 | A kind of miniature online optical fiber adjustable attenuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209280996U true CN209280996U (en) | 2019-08-20 |
Family
ID=67605890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920142868.3U Expired - Fee Related CN209280996U (en) | 2019-01-25 | 2019-01-25 | A kind of miniature online optical fiber adjustable attenuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209280996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117388983A (en) * | 2023-10-18 | 2024-01-12 | 青岛歌尔智能传感器有限公司 | Optical fiber attenuator |
-
2019
- 2019-01-25 CN CN201920142868.3U patent/CN209280996U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117388983A (en) * | 2023-10-18 | 2024-01-12 | 青岛歌尔智能传感器有限公司 | Optical fiber attenuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190820 Termination date: 20220125 |