CN209264250U - A kind of fiber leaky detection device - Google Patents
A kind of fiber leaky detection device Download PDFInfo
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- CN209264250U CN209264250U CN201920108957.6U CN201920108957U CN209264250U CN 209264250 U CN209264250 U CN 209264250U CN 201920108957 U CN201920108957 U CN 201920108957U CN 209264250 U CN209264250 U CN 209264250U
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- optical fiber
- support
- support column
- support frame
- distribution plate
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Abstract
The utility model discloses a kind of fiber leaky detection device, which includes laser, support frame and optical fiber distribution plate, and the ipsilateral of laser is arranged in support frame and optical fiber distribution plate, and the top of optical fiber distribution plate is arranged in support frame；Laser emits the laser signal of preset wavelength for connecting optical fiber to be detected；Optical fiber distribution plate is for accommodating optical fiber to be detected；Support frame is used to support image collecting device, and image collecting device is used to acquire the image of optical fiber to be detected, to determine light leak spot.The fiber leaky structure of the detecting device of the utility model is simple, and cost is relatively low, can not only effectively detect the optical fiber there are light leak spot, but also the efficiency of detection can be improved.In actual use, the optical fiber that light leak spot is filtered out from front end is avoided subsequent in use, causing optical fiber to burn or equipment is impaired happens.
Description
Technical field
The utility model belongs to fiber laser arrays field, more particularly, to a kind of fiber leaky detection device.
Background technique
In industrial lasers application, the power of existing laser equipment is higher and higher, wherein fiber laser device and half
Conductor Laser plant capacity has reached myriawatt grade, as increasing for power is very easy to burn coating when laser leakage
Layer, whole branch optical fiber can quickly be burnt, and also laser equipment and corollary equipment can be caused on fire when serious, cause weight to lives and properties
Big damage.
Therefore, during laser transmits, especially high-power laser transmission, fiber leaky detection device is very must
It wants.
In consideration of it, overcoming defect present in the prior art is the art urgent problem to be solved.
Utility model content
Aiming at the above defects or improvement requirements of the prior art, the utility model provides a kind of fiber leaky detection dress
It sets, its object is to pass through the light leak situation of the preparatory detection fiber of fiber leaky detection device, has filtered out light leak spot from front end
Optical fiber, avoid subsequent in use, causing optical fiber to burn or equipment is impaired happens.
To achieve the above object, according to the one aspect of the utility model, a kind of fiber leaky detection device, institute are provided
Stating fiber leaky detection device includes laser 1, support frame 21 and optical fiber distribution plate 3, and support frame as described above 21 and the optical fiber are received
Hold disk 3 and the ipsilateral of the laser 1 is set, the top of the optical fiber distribution plate 3 is arranged in support frame as described above 21；
The laser 1 emits the laser signal of preset wavelength for connecting optical fiber 4 to be detected；
The optical fiber distribution plate 3 is for accommodating the optical fiber to be detected 4；
Support frame as described above 21 is used to support image collecting device 5, and described image acquisition device 5 is described to be detected for acquiring
The image of optical fiber 4, to determine light leak spot.
Preferably, the fiber leaky detection device further includes support base 22 and support column 23, and the support column 23 is set
It sets in the support base 22, the support column 23 is connect with support frame as described above 21；
Support frame as described above 21 is adjustable relative to the position of the support base 22, to adjust described image acquisition device 5
Image-capture field.
Preferably, the support column 23 is fixedly connected with support frame as described above 21, the support column 23 and the support base
22 are threadedly coupled, to adjust position of the support frame as described above 21 relative to the support base 22.
Preferably, the support column 23 includes the first support column 231 and the second support column 232, first support column 231
It is connect with support frame as described above 21, second support column 232 is connect with the support base 22；
It is provided with two fins 2321 being oppositely arranged on second support column 232, is provided on the fin 2321
Fixation hole；
First support column 231 is set in second support column 232, and first support column 231 is relative to institute
The position for stating the second support column 232 is adjustable, after completing position and adjusting, fixation of the fastener 24 on the fin 2321
Hole, to reduce the gap between two fins 2321 being oppositely arranged, so that first support column 231 and second support
Relative position between column 232 remains unchanged.
Preferably, multiple threaded holes 25 are provided on the support column 23 and on support frame as described above 21；
Screw 26 is each passed through the threaded hole 25 on the threaded hole 25 and support frame as described above 21 on the support column 23, with cross
To and/or position of the vertical adjustment support frame as described above 21 relative to the support base 22.
Preferably, the support base 22 is integrally formed with the optical fiber distribution plate 3；Or, the support base 22 and institute
It is mutually indepedent to state optical fiber distribution plate 3.
Preferably, described image acquisition device 5 includes infrared camera, and described image acquisition device 5 has automatic focusing
Function.
Preferably, the preset wavelength is 1055nm~1070nm, and the diameter of the optical fiber 4 to be detected is 250 μm of ± 5 μ
m；
The resolution ratio of described image acquisition device 5 is 1280*720 pixel；
The size of the light leak spot is 1 μm~10 μm.
Preferably, described image acquisition device 5 is mobile phone, and the mobile phone model is red rice 2A.
Preferably, there are four positioning columns 31 for setting in the optical fiber distribution plate 3；
The positioning column 31 is for positioning the optical fiber 4 to be detected；
The positioning column 31 is also used to provide Image Acquisition reference for described image acquisition device 5, so that described image is adopted
The image-capture field of acquisition means 5 can cover the optical fiber to be detected 4.
In general, have the above technical solutions conceived by the present invention are compared with the prior art, has as follows
Beneficial effect: the fiber leaky detection device fiber leaky detection device of the utility model includes that laser, support frame and optical fiber are received
Hold disk, the ipsilateral of laser is arranged in support frame and optical fiber distribution plate, and the top of optical fiber distribution plate is arranged in support frame.By swashing
Light device and image collecting device determine optical fiber with the presence or absence of light leak spot.The fiber leaky structure of the detecting device letter of the utility model
Single, cost is relatively low, can not only effectively detect the optical fiber there are light leak spot, but also the efficiency of detection can be improved.In reality
Border is avoided subsequent in use, causing that optical fiber is burnt or equipment is damaged in use, filter out the optical fiber of light leak spot from front end
Bad situation occurs.
Detailed description of the invention
It, below will be in the utility model embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Required attached drawing is briefly described.It should be evident that drawings described below is only the one of the utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of fiber leaky detection device provided by the utility model；
Fig. 2 is the structural schematic diagram of another fiber leaky detection device provided by the utility model；
Fig. 3 is a kind of structural schematic diagram of support component provided by the utility model；
Fig. 4 is the structural schematic diagram of another support component provided by the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Term "inner", "outside", " longitudinal direction ", " transverse direction ", "upper", "lower", "top", "bottom" in the description of the present invention,
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, and being merely for convenience of description, this is practical new
Type rather than require the utility model that must be constructed and operated in a specific orientation, therefore be not construed as to the utility model
Limitation.
As long as in addition, technical characteristic involved in the various embodiments of the present invention described below each other it
Between do not constitute conflict and can be combined with each other.
Refering to fig. 1, the present embodiment provides a kind of fiber leaky detection devices, and the fiber leaky detection device includes laser
The same of the laser 1 is arranged in device 1, support frame 21 and optical fiber distribution plate 3, support frame as described above 21 and the optical fiber distribution plate 3
The top of the optical fiber distribution plate 3 is arranged in side, support frame as described above 21；The laser 1 is used to connect optical fiber 4 to be detected, and
Emit the laser signal of preset wavelength；The optical fiber distribution plate 3 is for accommodating the optical fiber to be detected 4；Support frame as described above 21 is used
In support image collecting device 5, described image acquisition device 5 is used to acquire the image of the optical fiber to be detected 4, to determine light leakage
Point.
In actual use, it by the white point situation of 5 acquired images of image collecting device, determines to be detected
Optical fiber 4 whether there is light leak spot.When optical fiber 4 to be detected is there are when light leak spot, image collecting device 5 can correspond to collect it is white
Pattern (white point) optical fiber distribution plate 3 is set in order to guarantee to accurately identify due to light leak spot and bring white pattern
It is set to black or grey, or other differ biggish color with white, improve picture contrast, to improve accurately
Property.
The fiber leaky structure of the detecting device of the utility model is simple, and cost is relatively low, can not only effectively detect exist
The optical fiber of light leak spot, but also the efficiency of detection can be improved.In actual use, the light of light leak spot is filtered out from front end
Fibre is avoided subsequent in use, causing optical fiber to burn or equipment is impaired happens.
Further, referring to Fig.2, there are four positioning columns 31 for setting in the optical fiber distribution plate 3；The positioning column 31 is used for
The optical fiber 4 to be detected is positioned, the coverage area of the optical fiber 4 to be detected is limited in four positioning columns, 31 shape
At space in.The positioning column 31 is also used to provide Image Acquisition reference for described image acquisition device 5, so that described image
The image-capture field of acquisition device 5 can cover the optical fiber to be detected 4.
Under practical application scene, in order to improve the validity of light leak test, the diameter of optical fiber 4 to be detected, 1 institute of laser
The image resolution ratio of the wavelength of the laser of transmitting, the camera types of image collecting device 5 and image collecting device 5 needs phase
Mutually matching.
In the present embodiment, using the image collecting device with infrared camera, the image of optical fiber 4 to be detected is acquired,
To determine light leak spot.Since the wavelength of near infrared ray (also referred to as short infrared) is 0.76 μm~1.5 μm, in order to detect
White point, the wavelength for the laser that laser 1 is occurred need to fall into 0.76 μm~1.5 μ ms.Based on practical application scene, mention
For a kind of alternative parameter: the wavelength for the laser that laser 1 is emitted is 1055nm~1070nm, and laser 1 is corresponding
Model can specifically select connection product QSFL-30 or the laser of other models 1, will not enumerate herein.
Due to the diameter very little of optical fiber, it is μm rank, ensures that and collect light leak spot, image collecting device 5
Resolution ratio is lower, so as to significantly more show the light leak situation of optical fiber.For example, point of described image acquisition device 5
Resolution is 1280*720 pixel, and the diameter of the optical fiber 4 to be detected is 250 μm ± 5 μm, the size of the light leak spot is 1 μm~
10μm.Described image acquisition device 5 includes infrared camera, and described image acquisition device 5 can be mobile phone, and concrete model can be with
For red rice 2A or the mobile phone of other models, here, will not enumerate.
In actual use, in order to guarantee that the image-capture field of image collecting device 5 can cover optical fiber 4 to be detected,
In a preferred embodiment, image collecting device 5 has automatic focusing function, image-capture field is adjusted, to guarantee that image is adopted
The image-capture field of acquisition means 5 can cover optical fiber 4 to be detected.
Under practical application scene, optical fiber 4 to be detected, which is wrapped like, to be arranged in optical fiber distribution plate 3, when to be detected
When the area occupied in the optical fiber distribution plate 3 of optical fiber 4 has differences, the image-capture field being adapted to therewith can also occur
Variation.Therefore, it is necessary to suitably adjust position of the image collecting device 5 relative to optical fiber distribution plate 3, to adjust Image Acquisition model
It encloses.
In the present embodiment, the fiber leaky detection device further includes support base 22 and support column 23, the support
Column 23 is arranged in the support base 22, and the support column 23 is connect with support frame as described above 21；Support frame as described above 21 relative to
The position of the support base 22 is adjustable, and then adjusts position of the image collecting device 5 relative to optical fiber distribution plate 3, to adjust
The image-capture field of described image acquisition device 5.Wherein, the components such as support frame 21, support base 22 and support column 23 are constituted
Corresponding support component.
In an alternate embodiment of the invention, the support base 22 is integrally formed (as shown in Figure 4) with the optical fiber distribution plate 3；
In other embodiments, the support base 22 and the optical fiber distribution plate 3 are mutually indepedent, for component (such as Fig. 2 of two separation
With shown in Fig. 3).It can hereafter illustrate.
It is as follows the present embodiment provides at least three kinds of optional ways to reach the adjustable effect in position:
Mode one: referring to Fig.2, the support column 23 is fixedly connected with support frame as described above 21, the support column 23 with it is described
Support base 22 is threadedly coupled, to adjust position of the support frame as described above 21 relative to the support base 22.
Specifically, it is provided with threaded hole (not shown) in the support base 22, is provided with screw thread on the support column 23,
By being threadedly engaged between support base 22 and support column 23, support frame as described above 21 is adjusted relative to the support base 22
Position.
Mode two: refering to Fig. 3, the support column 23 include the first support column 231 and the second support column 232, described first
Support column 231 is connect with support frame as described above 21, and second support column 232 is connect with the support base 22.
It is provided with two fins 2321 being oppositely arranged on second support column 232, is provided on the fin 2321
Fixation hole (not shown), first support column 231 are set in second support column 232,231 phase of the first support column
It is adjustable for the position of second support column 232.
When needing adjusting position, loosening fasteners 24, the gap between two fins 2321 being oppositely arranged becomes larger, this
When, first support column 231 is adjustable relative to the position of second support column 232.After completing position and adjusting, fastener
24 fixation hole on the fin 2321, with the gap between two fins 2321 being oppositely arranged described in reducing, so that
Relative position between first support column 231 and second support column 232 remains unchanged.
In an alternate embodiment of the invention, fastener 24 can be screw, and fixation hole can be threaded hole.
Mode three: refering to Fig. 4, the fiber leaky detection device further includes support base 22 and support column 23, the branch
Dagger 23 is arranged in the support base 22, and the support column 23 is connect with support frame as described above 21.Support frame as described above 21 is opposite
It is adjustable in the position of the support base 22, to adjust the image-capture field of described image acquisition device 5.
In the manner, the support base 22 is integrally formed with optical fiber distribution plate 3, between support frame 21 and support column 23
Detachably.Specifically, multiple threaded holes 25 are provided on the support column 23 and on support frame as described above 21；Screw 26 is distinguished
Threaded hole 25 on the threaded hole 25 and support frame as described above 21 on the support column 23, with the transverse direction (spiral shell on support frame 21
The extension direction of pit 25) and/or longitudinal (the extension direction of the threaded hole 25 on support column 23) adjusting 21 phase of support frame as described above
For the position of the support base 22.
The fiber leaky structure of the detecting device of the utility model is simple, and cost is relatively low, can not only effectively detect exist
The optical fiber of light leak spot, but also the efficiency of detection can be improved.In actual use, the light of light leak spot is filtered out from front end
Fibre is avoided subsequent in use, causing optical fiber to burn or equipment is impaired happens.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of fiber leaky detection device, which is characterized in that the fiber leaky detection device includes laser (1), support
Frame (21) and optical fiber distribution plate (3), support frame as described above (21) and the optical fiber distribution plate (3) are arranged in the laser (1)
Ipsilateral, support frame as described above (21) is arranged in the top of the optical fiber distribution plate (3)；
The laser (1) emits the laser signal of preset wavelength for connecting optical fiber to be detected (4)；
The optical fiber distribution plate (3) is for accommodating the optical fiber to be detected (4)；
Support frame as described above (21) is used to support image collecting device (5), and described image acquisition device (5) is described to be checked for acquiring
The image of optical fiber (4) is surveyed, to determine light leak spot.
2. fiber leaky detection device according to claim 1, which is characterized in that the fiber leaky detection device is also wrapped
Support base (22) and support column (23) are included, the support column (23) is arranged on the support base (22), the support column
(23) it is connect with support frame as described above (21)；
Support frame as described above (21) is adjustable relative to the position of the support base (22), to adjust described image acquisition device (5)
Image-capture field.
3. fiber leaky detection device according to claim 2, which is characterized in that the support column (23) and the support
Frame (21) is fixedly connected, and the support column (23) is threadedly coupled with the support base (22), to adjust support frame as described above (21)
Position relative to the support base (22).
4. fiber leaky detection device according to claim 2, which is characterized in that the support column (23) includes first
Dagger (231) and the second support column (232), first support column (231) connect with support frame as described above (21), and described second
Dagger (232) is connect with the support base (22)；
It is provided with two fins (2321) being oppositely arranged on second support column (232), is arranged on the fin (2321)
There is fixation hole；
First support column (231) is set in second support column (232), first support column (231) relative to
The position of second support column (232) is adjustable, and after completing position and adjusting, fastener (24) is on the fin (2321)
Fixation hole, to reduce the gap between two fins (2321) being oppositely arranged, so that first support column (231) and institute
The relative position stated between the second support column (232) remains unchanged.
5. fiber leaky detection device according to claim 2, which is characterized in that on the support column (23) and described
Multiple threaded holes (25) are provided on support frame (21)；
Screw (26) is each passed through the threaded hole on the threaded hole (25) and support frame as described above (21) on the support column (23)
(25), laterally and/or longitudinally to adjust position of the support frame as described above (21) relative to the support base (22).
6. according to the described in any item fiber leaky detection devices of claim 2~5, which is characterized in that the support base
(22) it is integrally formed with the optical fiber distribution plate (3)；Or, the support base (22) and the optical fiber distribution plate (3) are mutually solely
It is vertical.
7. described in any item fiber leaky detection devices according to claim 1~5, which is characterized in that described image acquisition dress
Setting (5) includes infrared camera, and described image acquisition device (5) has automatic focusing function.
8. fiber leaky detection device according to claim 7, which is characterized in that the preset wavelength be 1055nm~
1070nm, the diameter of the optical fiber (4) to be detected are 250 μm ± 5 μm；
The resolution ratio of described image acquisition device (5) is 1280*720 pixel；
The size of the light leak spot is 1 μm~10 μm.
9. fiber leaky detection device according to claim 8, which is characterized in that described image acquisition device (5) is hand
Machine, the mobile phone model are red rice 2A.
10. described in any item fiber leaky detection devices according to claim 1~5, which is characterized in that the optical fiber distribution plate
(3) there are four positioning column (31) for setting in；
The positioning column (31) is for positioning the optical fiber (4) to be detected；
The positioning column (31) is also used to provide Image Acquisition reference for described image acquisition device (5), so that described image is adopted
The image-capture field of acquisition means (5) can cover the optical fiber to be detected (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920108957.6U CN209264250U (en) | 2019-01-22 | 2019-01-22 | A kind of fiber leaky detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920108957.6U CN209264250U (en) | 2019-01-22 | 2019-01-22 | A kind of fiber leaky detection device |
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| CN209264250U true CN209264250U (en) | 2019-08-16 |
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| CN201920108957.6U Active CN209264250U (en) | 2019-01-22 | 2019-01-22 | A kind of fiber leaky detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811779A (en) * | 2020-06-05 | 2020-10-23 | 国网浙江省电力有限公司衢州供电公司 | Split type tail optical fiber connection performance testing device |
-
2019
- 2019-01-22 CN CN201920108957.6U patent/CN209264250U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811779A (en) * | 2020-06-05 | 2020-10-23 | 国网浙江省电力有限公司衢州供电公司 | Split type tail optical fiber connection performance testing device |
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