CN207010679U - A kind of circuit board disc is around optical fiber structure and optical time domain reflectometer - Google Patents
A kind of circuit board disc is around optical fiber structure and optical time domain reflectometer Download PDFInfo
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- CN207010679U CN207010679U CN201721002135.7U CN201721002135U CN207010679U CN 207010679 U CN207010679 U CN 207010679U CN 201721002135 U CN201721002135 U CN 201721002135U CN 207010679 U CN207010679 U CN 207010679U
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Abstract
The utility model discloses a kind of circuit board disc and is provided with optical fiber structure, including wiring board, optical fiber, the wiring board in run-track shaped fiber reel around area, in addition to the optical fiber after coiling is fixed on into multiple fixed structures of the fiber reel in area；The utility model also disclosed a kind of optical time domain reflectometer, including wiring board, optical fiber, optical transmitting set and optical receiver, it is provided with the wiring board in run-track shaped fiber reel around area, in addition to the optical fiber after coiling is fixed on multiple fixed structures of the fiber reel in area.Optical fiber is directly fixed on the wiring board of optical time domain reflectometer by the utility model and disk is fine in the form of runway, and optical fiber coil radius is big, and optical fiber is not easy to lose, optical time domain reflectometer service life length, and optical fiber occupies little space.
Description
Technical field
The utility model is related to optical fiber coiling device field, more specifically to a kind of circuit board disc around optical fiber structure and
A kind of optical time domain reflectometer.
Background technology
Optical fiber is one kind fiber made of glass or plastics, can be used as light conduction instrument, more and more extensive to be applied to respectively
In individual field.In the machine of optical fiber is configured with, the quality of optical fiber is largely fixed the performance of the machine, therefore
Need to detect optical fiber.
At present, the detection of optical fiber is completed by optical time domain reflectometer, the measurement obtained by optical time domain reflectometer
Curve, worker can determine that some performances such as the uniformity of the optical fiber, defect, fracture, joint coupling.
When using optical time domain reflectometer OTDR test optical fibre cables, after the tail optical fiber access instrument of testing fiber, start instrument,
Now instrument launches the light of certain pulse to testing fiber, the letter that OTDR feeds back according to the back-scattering light of optical fiber diverse location
Breath is analyzed, and draws the information that the various users such as the length of testing fiber, joint location, loss need.Because the original of algorithm
Cause, optical fiber of the meeting in the pigtail coupling hub disk of ODTR Internal photoemissions device and light receiving element around certain length.
In the processing for this section of optical fiber, at present, existing mode is usually that optical fiber is coiled in an aluminium box, will
Aluminium box is placed in optical time domain reflectometer, and this not only mode space hold is big, and fibre loss is high, with being pursued in the current industry
Small fuselage, be convenient for carrying, low-loss developing direction is disagreed, and aluminium box needs one corresponding attachment structure use of configuration
With fixation.
Such as a kind of new laser gas light path module that Patent No. CN203224434U is announced, include laser
Device, beam splitter, measurement air chamber, reference gas chamber, photodetector, optical fiber and optical fiber tray salver.Laser and beam splitter, light point
Beam device and air chamber, are coupled between air chamber and photodetector by fiber adapter, pass through optical fiber transmission signal；Fiber reel
Line box utilizes metallic channel and neck fixed laser, beam splitter, air chamber, photodetector and fiber adapter；Laser and
It is coupled between photodetector and circuit board by electric connecting mode, realizes light path integrated design, the module knot
Structure simple and compact, strong antijamming capability, it is easy to batch production and later maintenance.
But the problem of equally existing the above, i.e. optical fiber, are installed on laser gas light path module by fiber reel,
Space hold is big, and optical fiber is easily lost.
Therefore it is badly in need of a kind of brand-new optical fiber mounting means and optical time domain reflectometer, optical fiber occupies little space during installation,
And optical fiber is damaged small, optical time domain reflectometer service life length.
Utility model content
The defects of for prior art, the purpose of this utility model are to provide a kind of circuit board disc around optical fiber structure and one kind
Optical time domain reflectometer, easy for installation, optical fiber occupies little space during installation, and optical fiber be damaged it is small.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of circuit board disc is around light
Fine structure, including wiring board, optical fiber, it is provided with run-track shaped fiber reel around area on the wiring board, in addition to will coiling
Optical fiber afterwards is fixed on multiple fixed structures of the fiber reel in area.
Preferably, all fixed structures along the fiber reel around area's bearing of trend equidistantly distributed, and wherein one
Half fixed structure is located at the fiber reel at the outside runway in area, and remaining fixed structure is located at the fiber reel around area
At pole, the fixed structure positioned at outside runway is interspersed with the fixed structure positioned at pole.
Preferably, the adjacent fixed structure is distributed in obtuse angle.
Preferably, the fixed structure includes linking tape.
Preferably, the fixed structure include connected with the wiring board connecting substrate, be located at the linker for a pair
The side shield of plate upper surface and the fastener by being interlocked with side shield described in both sides.
Preferably, the fastener include overhead gage, a pair it is being fixedly connected with the overhead gage and can be close to corresponding described
The second side shield that the medial surface of side shield slides and be fixedly connected with the overhead gage for a pair outside the side shield
The buckle for being used to be interlocked with the corresponding side shield of side.
Preferably, the lateral surface of the side shield has the multiple tooth form catching grooves continuously set from top to bottom, the buckle
With the buckle teeth being engaged with the tooth form catching groove.
Preferably, second side shield has arc block face, the medial surface phase of the arc block face and the side shield
Cut.
Preferably, the overhead gage is in circular arc, and the bottom surface of overhead gage connects elasticity layer.
Preferably, the thickness of elastic layer is 1-3mm.
Preferably, the medial surface of the side shield is provided with throwing vitreous enamel, and multiple heat emission holes are offered on the throwing vitreous enamel.
Preferably, in addition to the reinforcer in 4 triangular shapes, it is respectively used to strengthen being located at the same side buckle and second
Intensity between side shield；
The reinforcer has the connecting portion at three angles respectively, wherein, two connecting portions respectively with the second side block
The end face of plate and buckle connects, and another connecting portion is extending into the side shield and can move up and down.
Preferably, the connecting portion includes rotating shaft.
A kind of optical time domain reflectometer, including wiring board, the optical transmitting set and optical receiver that are located on the wiring board, institute
State optical fiber of the pigtail coupling hub disk around certain length of optical transmitting set and optical receiver, it is characterised in that on the wiring board
It is provided with run-track shaped fiber reel around area, in addition to that the optical fiber after coiling is fixed on into the fiber reel is multiple in area
Fixed structure.
Preferably, all fixed structures along the fiber reel around area's bearing of trend equidistantly distributed, and its
Fixed structure described in middle half is located at the fiber reel at the outside runway in area, remaining fixed structure be located at the fiber reel around
At the pole in area, the fixed structure positioned at outside runway is interspersed with the fixed structure positioned at pole.
Preferably, the optical transmitting set is located at the fiber reel outside the outer ring in area, and the optical receiver is positioned at described
Fiber reel is within the inner ring in area.
Preferably, the adjacent fixed structure is distributed in obtuse angle.
Preferably, the fixed structure includes band.
In summary, the utility model has the advantages that：
1st, optical fiber is directly fixed on the wiring board of machine and disk is fine in the form of runway, optical fiber coil radius is big, light
Fibre is not easy to lose, and optical fiber occupies little space.
2nd, overhead gage and side shield and the second side shield are used cooperatively, and can further prevent optical fiber from occurring to swing or shaking
It is dynamic, be advantageous to fixed effect.
3rd, arc block face and side shield medial surface are tangent, are advantageous to protect optical fiber.
4th, optical time domain reflectometer service life is grown.
Brief description of the drawings
Fig. 1 is structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of fixed structure；
Fig. 3 is the structural representation of fixed mechanism in embodiment 2；
Fig. 4 is the structural representation of optical time domain reflectometer.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Embodiment one：
As shown in figure 1, a kind of circuit board disc is set on optical fiber structure, including wiring board 1, optical fiber 2, the wiring board 1
Have in run-track shaped fiber reel around area 3, in addition to that the optical fiber 2 after coiling is fixed on into the fiber reel is multiple in area 3
Fixed structure 4.
In the prior art, optical fiber 2 is typically coiled in an aluminium box, and aluminium box is positioned in optical time domain reflectometer, and people
Pursuit for reflectometer is that fuselage is small, easy to carry, therefore uses existing coiled optical fiber mode, and space hold ratio is big, separately
Outside, the space of aluminium box is small, fiber reel around when, coil radius is small, can increase the loss of optical fiber.It is in the present embodiment, optical fiber is direct
It is fixed on the wiring board of machine and disk is fine in the form of runway, optical fiber coil radius is big, and optical fiber is not easy to lose, and optical fiber takes
Space is small, in addition, without special configuration attachment structure installing aluminium box.
All fixed structures 4 along the fiber reel around the bearing of trend equidistantly distributed of area 3, and wherein described in half
Fixed structure 4 is located at the fiber reel at the outside runway in area 3, and remaining fixed structure 4 is located at the fiber reel in area 3
At the runway of side, the fixed structure 4 positioned at outside runway is interspersed with the fixed structure 4 positioned at pole.In this implementation, this
Kind interlaced arrangement mode so that overall good fixing effect, optical fiber 2 will not shake.
The adjacent fixed structure 4 is distributed in obtuse angle.This location arrangements mode, with turning formula when optical fiber is with coiling
Transition, good fixing effect, it is distributed in obtuse angle, is advantageous to protect optical fiber in itself, prevents optical fiber from bending occurs, in turn result in damage.
The fixed structure 4 includes linking tape, simple and convenient using linking tape, operation.The generatrix of linking tape can be consolidated
Surely connect in assist side 1.
As another preferred embodiment of fixed structure 4, the fixed structure 4 includes band.
For band typically in flexibility, deformability is good, when bundle optical fiber 2, can adaptively be adjusted, favorably
In protection optical fiber 2.When installing band, the medium position of band can be adhered to wiring board 1, the end of band can be also bonded
In on wiring board 1.
As another preferred embodiment of fixed structure 4, as shown in Fig. 2 the fixed structure 4 includes and the circuit
Plate 1 connect connecting substrate 41, be located at for a pair the upper surface of connecting substrate 41 side shield 42 and by with described in both sides
Side shield 42 is interlocked to coordinate the common fastener 43 for completing fixed optical fiber 2 with a described side dams 42.In the present embodiment,
Connecting substrate 41 is solderable on the circuit card 1, can rivet.In the present embodiment, the blocking effect of side shield 42 of both sides is good, prevents light
Fibre 2 shakes under bursty state, and then produces a momentum, pullling to whole fixed structure 4 is increased, so as to cause
Fixed effect is deteriorated.For example, when pinioning optical fiber 2 using rope and when machine is overturn, internal circuit board 1 is overturn therewith,
Optical fiber 2 occurs to swing or rock, and can cause the injury to machine.
The bottom surface of the connecting substrate 41 has viscous layer.
For the viscous layer to mutually Nian Jie with the wiring board 1, connecting substrate 41 and the contact area of circuit board 1 are big, warp
Test, disclosure satisfy that fixed requirement.In addition, connecting substrate 41 is be bonded with circuit board 1, easy to operate, it is convenient to change.
The fastener 43 include overhead gage 431, a pair it is being fixedly connected with the overhead gage 431 and can be close to corresponding described
The second side shield 432 that the medial surface of side shield 42 slides and be fixedly connected with the overhead gage 431 for a pair positioned at described
The buckle 433 for being used to be interlocked with the corresponding side shield 42 in the outside of side shield 42.
The lateral surface of the side shield 42 has the multiple tooth form catching grooves 421 continuously set from top to bottom, the buckle 433
With the buckle teeth 4331 being engaged with the tooth form catching groove 421.
When carrying out the design, side shield 42 is there is certain thickness, between side shield 42 and overhead gage 431 inherently
A space 8 is formed, the presence in the space 8 causes optical fiber 2 to be faced the buckle teeth 4331 of part after fixation, when optical fiber 2 occurs partially
During shifting, buckle teeth 4331 can damage to the extexine of optical fiber 2, reduce the service life of optical fiber, and second in the present embodiment
Side shield 432 can be good at overcoming this defect.In addition, the setting of multiple tooth form catching grooves 421, suitable for different length
The fastening of optical fiber 2.In use, the sky that user is first formed the side shield 42 of optical fiber 2 through the fastener 43 and the both sides
Between, coiled, after the completion of coiling, pull down fastener 43, so that it may complete fastening action, whole process is simple to operate.In addition,
Overhead gage 431 and the side shield 432 of side shield 42 and second are used cooperatively, and can further prevent optical fiber 2 from occurring to swing or shaking
It is dynamic, be advantageous to fixed effect.
Second side shield 432 has an arc block face 4321, and the arc block face 4321 is interior with the side shield 42
Side is tangent.If nontangential setting, the second side shield 432 must can be formed due to certain thickness be present with side shield 42
One step, causes the injury to optical fiber 2.
The overhead gage 431 is in circular arc, and the bottom surface of overhead gage 431 connects elasticity layer 4331.The elastic layer
4331 can use rubber layer, can use Cowhells layer.Preferably, the thickness of elastic layer 4331 is 1-3mm.The elastic layer of this thickness
4331 can ensure certain elastic effect, prevent optical fiber 2 from being fastened by transition and causing to damage, can also ensure overhead gage 431
Block effect.
The medial surface of the side shield 42 is provided with throwing vitreous enamel, and multiple heat emission holes are offered on the throwing vitreous enamel.Throw vitreous enamel
It is smooth, the loss of optical fiber 2 is reduced, the fan heat effect of heat emission hole, further reduces the loss of optical fiber 2.
Embodiment 2：
As shown in Figure 3, it is preferred that also include the reinforcer 5 in 4 triangular shapes, be respectively used to strengthen positioned at same
Intensity between the side shield 432 of side buckle 433 and second；The stiffening effect of reinforcer 5 of triangle is good, is unlikely to deform, reinforced
The strengthened side buckle 433 of part 5 is not susceptible to deform with the second side shield 432, ensures to fasten effect.
The reinforcer 5 has the connecting portion 51 at three angles respectively, wherein, two connecting portions 51 are respectively with second
The end face of side shield 432 and buckle 433 connects, and another connecting portion 51 is extending into the side shield 42 and can be upper and lower
It is mobile.The end face of the overhead gage 431 is provided with when moveable connecting portion 51 moves required vertical gain 52.
The connecting portion 51 includes rotating shaft, ensures the smoothness that moveable connecting portion 51 moves in vertical gain 52.
The other contents of this truth example refer to embodiment 1.
Embodiment 3：
As shown in figure 4, a kind of optical time domain reflectometer, including wiring board 1, the optical transmitting set that is located on the wiring board 1 with
And optical receiver, the pigtail coupling hub disk of the optical transmitting set and optical receiver is around the optical fiber 2 of certain length, the wiring board
It is provided with 1 in run-track shaped fiber reel around area 3, in addition to the optical fiber 2 after coiling is fixed on the fiber reel in area 3
Multiple fixed structures 4.
In the prior art, the optical fiber 2 of optical time domain reflectometer is typically coiled in an aluminium box, and aluminium box is positioned over the optical time domain
In reflectometer, and pursuit of the people for reflectometer is that fuselage is small, easy to carry, therefore uses existing coiled optical fiber mode, empty
Between occupation proportion it is big, in addition, the space of aluminium box is small, fiber reel around when, coil radius is small, can increase the loss of optical fiber.This implementation
In example, optical fiber being directly fixed on the wiring board of optical time domain reflectometer and disk is fine in the form of runway, optical fiber coil radius is big,
Optical fiber is not easy to lose, and improves the service life of optical time domain reflectometer, and optical fiber occupies little space.
All fixed structures 4 along the fiber reel around the bearing of trend equidistantly distributed of area 3, and wherein half
The fixed structure 4 is located at the fiber reel at the outside runway in area 3, and remaining fixed structure 4 is located at the fiber reel around area 3
Pole at, the fixed structure 4 positioned at outside runway positioned at the fixed structure 4 of pole with being interspersed.This implementation
In, this interlaced arrangement mode so that overall good fixing effect, optical fiber 2 will not shake.
The optical transmitting set is located at the fiber reel outside the outer ring in area 3, and the optical receiver is located at the fiber reel
Within the inner ring in area 3.This is set, and ensures that the distribution of optical fiber is more neat, has a sense of hierarchy.
The adjacent fixed structure 4 is distributed in obtuse angle.This location arrangements mode, with turning formula when optical fiber is with coiling
Transition, good fixing effect, it is distributed in obtuse angle, is advantageous to protect optical fiber in itself, prevents optical fiber from bending occurs, in turn result in damage.
The fixed structure 4 includes band.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (10)
1. a kind of circuit board disc is around optical fiber structure, including wiring board (1), optical fiber (2), it is characterised in that on the wiring board (1)
It is provided with and is fixed on the fiber reel around area around area (3), in addition to by the optical fiber (2) after coiling in run-track shaped fiber reel
(3) multiple fixed structures (4) in.
2. a kind of circuit board disc according to claim 1 is around optical fiber structure, it is characterised in that all fixed structures
(4) along the fiber reel around area (3) bearing of trend equidistantly distributed, and wherein fixed structure described in half (4) is positioned at described
Fiber reel is at the outside runway of area (3), and remaining fixed structure (4) is located at the fiber reel at the pole of area (3), position
Fixed structure (4) in outside runway is interspersed with the fixed structure (4) positioned at pole.
3. a kind of circuit board disc according to claim 1 is around optical fiber structure, it is characterised in that the adjacent fixed structure
(4) it is distributed in obtuse angle.
4. a kind of circuit board disc according to claim 1 is around optical fiber structure, it is characterised in that fixed structure (4) bag
Include linking tape.
5. a kind of circuit board disc according to claim 1 is around optical fiber structure, it is characterised in that fixed structure (4) bag
Include the connecting substrate (41) connected with the wiring board (1), be located at the side shield of the connecting substrate (41) upper surface for a pair
And the fastener (43) by being interlocked with side shield described in both sides (42) (42).
6. a kind of circuit board disc according to claim 5 is around optical fiber structure, it is characterised in that the fastener (43) includes upper
Baffle plate (431), a pair it is being fixedly connected with the overhead gage (431) and can be slided close to the medial surface of the corresponding side shield (42)
Dynamic the second side shield (432) and be fixedly connected with the overhead gage (431) for a pair on the outside of the side shield (42)
Be used for and buckle (433) that the corresponding side shield (42) is interlocked.
7. a kind of optical time domain reflectometer, including wiring board (1), the optical transmitting set and light-receiving that are located on the wiring board (1)
Device, the optical fiber (2) of the pigtail coupling hub disk of the optical transmitting set and optical receiver around certain length, it is characterised in that described
It is provided with run-track shaped fiber reel around area (3), in addition to the optical fiber (2) after coiling is fixed on described on wiring board (1)
Multiple fixed structures (4) of the fiber reel in area (3).
8. a kind of optical time domain reflectometer according to claim 7, it is characterised in that the optical transmitting set is located at the optical fiber
Outside the outer ring for coiling area (3), the optical receiver is located at the fiber reel within the inner ring of area (3).
9. a kind of optical time domain reflectometer according to claim 7, it is characterised in that the adjacent fixed structure (4) is in blunt
Angle is distributed.
10. a kind of optical time domain reflectometer according to claim 7, it is characterised in that the fixed structure (4) includes pricking
Band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721002135.7U CN207010679U (en) | 2017-08-11 | 2017-08-11 | A kind of circuit board disc is around optical fiber structure and optical time domain reflectometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721002135.7U CN207010679U (en) | 2017-08-11 | 2017-08-11 | A kind of circuit board disc is around optical fiber structure and optical time domain reflectometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207010679U true CN207010679U (en) | 2018-02-13 |
Family
ID=61459500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721002135.7U Expired - Fee Related CN207010679U (en) | 2017-08-11 | 2017-08-11 | A kind of circuit board disc is around optical fiber structure and optical time domain reflectometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207010679U (en) |
-
2017
- 2017-08-11 CN CN201721002135.7U patent/CN207010679U/en not_active Expired - Fee Related
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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: 20180213 Termination date: 20190811 |