CN112737671A - Short-focus non-contact automatic test jumper - Google Patents
Short-focus non-contact automatic test jumper Download PDFInfo
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- CN112737671A CN112737671A CN202110019489.7A CN202110019489A CN112737671A CN 112737671 A CN112737671 A CN 112737671A CN 202110019489 A CN202110019489 A CN 202110019489A CN 112737671 A CN112737671 A CN 112737671A
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- jumper
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Optical Couplings Of Light Guides (AREA)
Abstract
The invention provides a short-focus non-contact automatic test jumper, which comprises a test jumper product and a test jumper sleeve, wherein the test jumper sleeve is arranged in the test jumper product; during actual use, the test wire tail handle insertion core is inserted into a test device, the test jumper with the tail handle is used for positioning the focal length at the front cover end, laser penetrates through the optical fiber lens to be focused, the focal point falls in the optical fiber core, and finally non-contact test operation is achieved.
Description
The technical field is as follows:
the invention relates to the technical field of communication, mainly relates to a test of an optical fiber jumper, and particularly relates to a short-focus non-contact automatic test jumper.
Background art:
optical fiber communication technology has been widely used in various fields, and with the improvement of transmission rate and distance, the requirements of optical fiber communication quality and optical fiber end face quality are higher and higher. The existing optical fiber butt joint is different from the original cable butt joint, the cable only needs to be in good contact, and the butt joint of the end faces of the optical fibers needs to be strictly controlled in the aspects of up-down, left-right, front-back, inclination angle and the like so as to meet the requirement of good insertion loss. Because the size of the part of the optical fiber used for light transmission is small, the part is basically in the micron order, the butt joint operation is inconvenient, and a butt joint device is usually required to be assembled outside the optical fiber in practical use. Or the optical fiber test jumper is butted by adopting a contact type butting mode.
Traditional test jumper wire is at reality test operation in-process, for guaranteeing that the test loss is as little as possible and controllable, all adopt the method of contact test, but the reality management and control risk that contact test brought is very high, receive external factors such as filth to influence, often lead to test lock pin terminal surface damage or test product terminal surface damage and filth because of the butt joint, if adopt other dedicated test equipment, not only equipment price is high, and the operation difficulty, be difficult to guarantee product quality and production cycle, and also can increase substantially the processing cost, and the quality can not obtain the assurance.
Chinese patent publication No. CN1106327019A "a non-contact nondestructive optical fiber patch cord and manufacturing method", specifically discloses a non-contact nondestructive optical fiber patch cord and manufacturing method, including a ferrule, an adapter metal housing, a ferrule, an adapter section ferrule, and an optical fiber, the pre-buried optical fiber in the interior of the ferrule and the adapter section ferrule, one end of the ferrule and the adapter section ferrule is butted, the ferrule is sleeved outside the butted joint of the ferrule and the adapter section ferrule, the ferrule is disposed in the adapter metal housing, and the non-contact nondestructive optical fiber patch cord is characterized in that: and the end face of the ceramic ferrule is provided with an annular groove along the periphery of the optical fiber. The invention has the advantages that the jumper wire and the jumper wire are realized, the non-contact alignment between the jumper wire and the optical fiber end face in the adapter is realized, and the butt joint damage of the optical fiber end face is avoided. According to the technical scheme, the automatic focusing butt joint of the light cannot be realized, the existing jumper butt joint equipment is improved, the structure of the device is complex, and the preparation cost is high.
Also, for example, CN111089706A, "multichannel optical tester", specifically discloses a multichannel optical tester for testing the quality of fiber connections of fiber optic connectors located at both ends of a plurality of patch cords to be tested, and includes a light source, an optical switch, and an insertion loss detector. The light source is used for emitting a test light beam to the jumper to be tested. The optical switch can optically connect the light source to each of the plurality of jumpers to be tested by automatic switching. The one insertion loss detector is optically connectable to each of the plurality of patch cords under test for testing insertion loss of the fiber optic connector. The one insertion loss detector is connected to the plurality of patch cords to be tested by a fiber optic bundle comprised of a plurality of optical fibers that are bundled together at a first end and split into individual fiber optic lines at a second end.
According to the technical scheme of the optical fiber jumper wire, the existing technology is that a testing device for jumper wire butt joint is added or the existing jumper wire is improved, but the existing technology cannot provide the test for the jumper wire, so that the end face of a plug or a test product can be prevented from being damaged, and meanwhile, the contact surface of the jumper wire can be prevented from being stained.
Therefore, how to provide a non-contact short-focus jumper capable of automatically testing is provided, and in the butt joint process of the optical fiber jumper, a non-contact method for testing the jumper is adopted, so that the practical problem that the end face of a test ferrule is damaged or the end face of a test product is damaged and stained due to butt joint is solved. And the test method for testing the jumper is simple, strong in practicability and low in cost.
The invention content is as follows:
the invention aims to provide a short-focus non-contact automatic test jumper, which comprises a test jumper product and a test jumper sleeve, wherein the test jumper sleeve is arranged in the test jumper product, and a non-contact jumper short-focus test device comprises a positioning insertion core and a short-focus collimating lens unit; during actual use, the test wire tail handle insertion core is inserted into a test device, the test jumper with the tail handle is used for positioning the focal length at the front cover end, laser penetrates through the optical fiber lens to be focused, the focal point falls in the optical fiber core, and finally non-contact test operation is achieved.
The invention discloses a short-focus non-contact automatic test jumper, which comprises a test jumper product and a test jumper sleeve, wherein the test jumper sleeve is arranged in the test jumper product, and a non-contact jumper short-focus test device; the short-focus focusing lens is arranged at one end of the positioning insertion core corresponding to the test jumper product, the other end of the positioning insertion core is correspondingly connected to one end of the limiting sleeve, the other end of the limiting sleeve is fixedly connected to one end of the test jumper with the tail handle, and the collimating lens fixing and protecting part is arranged in the inner cavity of the limiting sleeve.
The collimating lens fixing and protecting part comprises a collimating lens, a fixing tail rubber, an optical fiber tubule and a protecting casing; the collimating lens and the optical fiber tubule are connected and arranged in the inner cavity of the protective sleeve, the other end of the optical fiber tubule, which is connected with the collimating lens, is fixedly packaged through a fixed tail rubber and is connected with one end of a test jumper with a tail handle, the other end of the collimating lens, which is connected with the optical fiber tubule, is connected with one end of the positioning insertion core correspondingly, and the protective sleeve is arranged in the limiting sleeve.
Preferably, the contact surface of the short-focus focusing lens 2 connected with the positioning ferrule 1 forms an inner taper angle alpha, and the inner taper angle alpha is controlled to be 45-55 degrees.
Furthermore, the short-focus focusing lens and the positioning insertion core are connected through an inner arc surface.
Preferably, the contact end between the test jumper product and the limit contact end face of the limit sleeve is provided with a contact-preventing clamping piece for preventing the test inserting core from contacting with the product inserting core.
The short-focus non-contact automatic test jumper wire controls the outer diameter D of the positioning insertion core 1 to be as follows: 1.2490 +/-0.0001 mm, and chamfering the end face to control the inner hole d to be more than 0.35 mm.
One end of the positioning insertion core 1 is sleeved at one end of the limiting sleeve in an interference fit manner and is correspondingly communicated with the collimating lens.
The short-focus non-contact automatic test jumper is characterized in that the protective sleeve is a transparent glass tube or a transparent plastic tube.
The inner taper angle alpha refers to an included angle formed by the center line of the positioning ferrule and the tangent of the conical surface of the short-focus focusing lens contacted with the positioning ferrule 1.
The short-focus focusing lens 2 is connected with the positioning insertion core 1 by adopting the structure, so that optical fiber light emitted from the test jumper wire 3 with the tail handle is ensured to form straight light focusing, the focal point of a light spot is positioned at a specified position, and the test consistency of the short-focus lens is ensured. And the jumper wire and the test jumper wire product are accurately aligned and the alignment accuracy is less than 0.5um and the IL test error is less than 0.3dB when the test is inserted and pulled every time.
The invention discloses a non-contact automatic test jumper wire, which has the following advantages by adopting the structure: the non-contact automatic test jumper wire realizes non-contact automatic alignment and butt joint between the jumper wire and the end face of the jumper wire, and avoids damage during contact; the non-contact short focal length test jumper wire provided by the invention has the advantages that the optical fiber lens positioning ferrule or the ceramic ferrule is manufactured by adopting a grinding process, the optical fiber short focal length focusing lens 2 and the collimating lens 5 are manufactured, and the light emitted by the short focal length focusing lens 2 is focused by controlling the inner taper angle alpha or the inner arc surface 15 between the contact surfaces of the short focal length focusing lens 2 and the positioning ferrule 1, so that the focal point of a light spot is located at a designated position, the consistency of repeated tests is ensured, and the yield and the effect of the tests are ensured;
the short-focus non-contact automatic test jumper wire realizes controllable focus facula of the optical fiber through 3D (three-dimensional) control test of the optical fiber, the collimating lens 5 and the protective sleeve 14 are fixed in the limiting sleeve 402 in a cementing mode, the light tubule 13 is sleeved in the protective sleeve 14, and the protective sleeve 14 adopts a transparent glass tube or a transparent plastic tube, so that positioning, fixing and mounting operations of precision devices such as the light tubule 13 can be ensured, and the product quality of the jumper wire is further ensured; during actual use, the tail handle insertion core of the test wire is inserted into a test device, the tail handle positions the focal length at the front cover end, laser is focused through the optical fiber lens, the focal point falls in the optical fiber insertion core, and finally non-contact test operation is realized; thirdly, the invention can effectively solve the problem of test damage in the traditional butt joint test process, because the anti-contact clamping piece 11 is inserted between the front end face (left end face in the figure) of the limit metal pipe body 4 and the test product, a gap S is left between the insertion core and the positioning insertion core of the test jumper product, when in test operation, laser is emitted from the test jumper 3 with a tail handle, the laser is changed into parallel light 10 through the collimating lens 5 and is emitted into the focusing lens 2, the parallel light is positioned through the focal length of the limit metal pipe body 4 on the limit contact face, and the converged light spot falls on the optical fiber core of the test jumper product 6 through the light of the focusing lens, thereby realizing non-contact test.
And the structure is simple, the yield in the operation process is obviously improved, and the manufacturing cost of the product is effectively reduced.
Description of the drawings:
FIG. 1 is a schematic cross-sectional view of a short-focus non-contact automatic test jumper structure according to the present invention,
FIG. 2 is a schematic diagram showing the operation of the short-focus non-contact automatic test jumper test of the present invention,
FIG. 3 is a schematic view showing the structure of the short-focus non-contact automatic test jumper for testing the jumper short-focus focusing lens and the positioning ferrule 1 combined into an internal taper angle alpha according to the present invention,
FIG. 4 is an enlarged view taken along the line I in FIG. 1;
in the figure, 1, a positioning insertion core, 2, a short-focus focusing lens, 3, a test jumper with a tail handle, 402, a limiting sleeve, 5, a collimating lens, 6, a test jumper product, 7, a light beam, 8, a limiting contact surface, 9, a fixed tail adhesive, 10, parallel light rays, 11, an anti-contact clamping piece, 12, a short-focus non-contact jumper, 13, a light tubule, 14, a protective sleeve, 15 and an inner arc surface.
The specific implementation mode is as follows:
the invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
As shown in fig. 1-4, the technical solution of the short focus non-contact test jumper disclosed by the present invention is: the device comprises a test jumper product 6 and a test jumper sleeve 601, wherein the test jumper sleeve 601 is arranged in the test jumper product 6, and a non-contact jumper short focal length test device is arranged in the test jumper product 6, and comprises a short-focus non-contact jumper 12, wherein the short-focus non-contact jumper 12 comprises a positioning plug core 1 and a short-focus collimating lens unit, and the short-focus collimating lens unit comprises a short-focus focusing lens 2, a test jumper 3 with a tail handle, a limit sleeve 402 and a collimating lens fixing and protecting part; the short-focus focusing lens 2 is arranged at one end of the positioning insertion core 1 corresponding to the test jumper wire product 6, the other end of the positioning insertion core 1 is correspondingly connected to one end of the limiting sleeve 402, the other end of the limiting sleeve 402 is fixedly connected to one end of the test jumper wire 3 with the tail handle, and the collimating lens fixing protection part is arranged in an inner cavity of the limiting sleeve 402 at one end of the positioning insertion core 1 corresponding to the test jumper wire 3 with the tail handle.
The collimating lens fixing and protecting part comprises a collimating lens 5, a fixing tail rubber 9, an optical fiber tubule 13 and a protecting casing 14; the collimating lens 5 and the optical fiber tubule 13 are connected and communicated and are arranged in an inner cavity of the protective sleeve 14, the other end of the optical fiber tubule 13, which is connected with the collimating lens 5, is fixedly packaged through the fixing tail rubber 9 and is connected and communicated with one end of the test jumper wire 3 with the tail handle, the other end of the collimating lens 5, which is connected with the optical fiber tubule 13, is correspondingly connected and communicated with one end of the positioning insertion core 1, and the protective sleeve 14 is arranged in the limiting sleeve 402.
Furthermore, the contact surface of the short-focus focusing lens 2 connected with the positioning ferrule 1 forms an inner taper alpha angle, and the inner taper alpha angle is controlled to be 45-55 degrees; or connected by an inner arc surface 15. It is further preferred that the internal taper angle alpha is optimally controlled to 45 degrees.
And the contact end between the test jumper product 6 and the limit contact end surface 8 of the limit sleeve 402 is provided with a contact-preventing clamping piece 11 for preventing the test inserting core from contacting with the product inserting core. Therefore, a gap S is reserved between the end face of the test jumper wire sleeve 601 and the limiting sleeve 402, and the damage to the test jumper wire caused by the contact of the two end faces during test operation is prevented.
Controlling the outer diameter D of the positioning ferrule 1 to be: 1.2490 +/-0.0001 mm, and chamfering the end face to control the inner hole d to be more than 0.35 mm.
One end of the positioning ferrule 1 is sleeved on one end of the limiting sleeve 402 in an interference fit manner and is correspondingly communicated with the collimating lens 5.
The end face of the limit sleeve 402, which is connected and contacted with the positioning ferrule 1, is a positioning reference face end or a limit contact face 8, namely the front cover end face of a receptor, so that the positioning reference face is flush with the end face of the receptor of a test product when the jumper is butted with the test jumper product every time, a focused light beam 7 falls on a relative fixed position of the test product ferrule, and the test precision is improved.
The collimating lens 5 and the short-focus focusing lens 2 are fixedly packaged in the positioning ferrule 1 and the limiting sleeve 402 respectively by adopting a glued packaging structure.
The short-focus non-contact test jumper wire controls the outer diameter D of the positioning insertion core 1 to be as follows: 1.2490 +/-0.0001 mm, and chamfering the end face to control the inner hole d to be more than 0.35 mm. The positioning ferrule 1 used in the present invention may use a ferrule.
The short-focus non-contact test jumper wire has the test working mode that the non-contact test jumper wire 12 is sleeved with a test jumper wire product 6, the positioning insertion core 1 is inserted into a hole of a sleeve 601 of the test jumper wire product, and an anti-contact clamping piece 11 is inserted between the left end face of a limit metal pipe body or the front end face of a limit sleeve 4, such as the end face corresponding to the test jumper wire product 6 in figures 1 and 2, so that a gap S is reserved between the insertion core of the test jumper wire product 6 and the corresponding end face of the positioning insertion core 1, namely a limit contact face 8. During test operation, laser is emitted from the test jumper wire 3 with the tail handle, becomes parallel light 10 through the collimating lens 5, is emitted into the short-focus focusing lens 2, is positioned at the focal length of the limiting contact surface 8 through the limiting sleeve 402, the light focus of a light beam 7 emitted through the focusing lens 2 falls at a corresponding specified position, and a converged light spot falls on the optical fiber core of the test jumper wire product 6, so that the transmission of a non-contact test laser light source on the test jumper wire 3 with the tail handle is realized, the laser light is emitted from the test jumper wire 3 with the tail handle, the consistency of repeated test is further ensured, the converged light spot falls on the optical fiber core of a device through the positioning reference surface end 11 of the limiting metal sleeve part 4, namely the focal length of the front cover end surface of the device, and the light beam 10 penetrating through the focusing lens 2; thereby realizing a non-contact test. The accurate counterpoint of jumper wire and test jumper wire product 6 makes when inserting the test jumper wire at every turn to reached control test accuracy and be less than 0.5um, IL test error is less than 0.3 dB.
The above description is only an overview of the present invention, and can be implemented according to the content of the description, and is only a preferred embodiment of the present invention, and not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from. Compared with the prior art, the invention can effectively solve the problem of test damage in the traditional butt joint test process, has simple structure, obviously improves the yield in the operation process and effectively reduces the manufacturing cost of products.
Claims (8)
1. A short-focus non-contact automatic test jumper comprises a test jumper product (6) and a test jumper sleeve (601), wherein the test jumper sleeve (601) is arranged in the test jumper product (6), and the non-contact jumper short-focus test device is characterized in that the non-contact jumper short-focus test device comprises a short-focus non-contact jumper (12), the short-focus non-contact jumper (12) comprises a positioning insertion core (1) and a short-focus collimating lens unit, and the short-focus collimating lens unit comprises a short-focus focusing lens (2), a test jumper with a tail handle (3), a limiting sleeve (402) and a collimating lens fixing and protecting part; the short-focus focusing lens (2) is arranged at one end corresponding to the positioning insertion core (1) and the test jumper wire product (6), the other end of the positioning insertion core (1) is correspondingly connected to one end of the limiting sleeve (402), the other end of the limiting sleeve (402) is fixedly connected to one end of the test jumper wire (3) with the tail handle, and the collimating lens fixing protection part is arranged in the inner cavity of the limiting sleeve (402).
2. The short-focus non-contact automatic test jumper wire of claim 1, wherein the collimating lens fixing protection part comprises a collimating lens (5), a fixing tail rubber (9), an optical fiber tubule (13) and a protective casing (14); collimating lens (5) and optic fibre tubule (13) link to each other the switch-on and locate protective sleeve (14) inner chamber, the other end that optic fibre tubule (13) and collimating lens (5) are connected links to each other the switch-on through fixed tail gum (9) fixed encapsulation and with the one end of taking tail handle test jumper wire (3), and collimating lens (5) then with the corresponding switch-on of one end of location lock pin (1) the other end that optic fibre tubule (13) are connected, protective sleeve (14) then are located in spacing sleeve (402).
3. The short-focus non-contact automatic test jumper wire according to claim 1, wherein the contact surface of the short-focus focusing lens (2) connected with the positioning ferrule 1 forms an inner taper angle α, and the inner taper angle α is controlled to be 45-55 degrees.
4. The short-focus non-contact automatic test jumper wire of claim 1, wherein the short-focus focusing lens (2) is connected with the connecting contact surface of the positioning ferrule (1) in an inner arc surface (15).
5. The short-focus non-contact automatic test jumper wire of claim 1, wherein the contact end between the test jumper product (6) and the limit contact end face (8) of the limit sleeve (402) is provided with an anti-contact clamping piece (11) for preventing the test ferrule from contacting with the product ferrule.
6. The short-focus non-contact automatic test jumper wire according to claim 1, wherein the outer diameter D of the positioning ferrule (1) is controlled as follows: 1.2490 +/-0.0001 mm, and chamfering the end face to control the inner hole d to be more than 0.35 mm.
7. The short-focus non-contact automatic test jumper wire of claim 1, wherein one end of the positioning ferrule (1) is sleeved on one end of the limiting sleeve (402) in an interference fit manner and is correspondingly communicated with the collimating lens 5.
8. The short focus non-contact automatic test patch cord according to claim 2, wherein the protective sheath (14) is a transparent glass tube or a transparent plastic tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110019489.7A CN112737671A (en) | 2021-01-07 | 2021-01-07 | Short-focus non-contact automatic test jumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110019489.7A CN112737671A (en) | 2021-01-07 | 2021-01-07 | Short-focus non-contact automatic test jumper |
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| Publication Number | Publication Date |
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| CN112737671A true CN112737671A (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110019489.7A Pending CN112737671A (en) | 2021-01-07 | 2021-01-07 | Short-focus non-contact automatic test jumper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114221698A (en) * | 2021-11-30 | 2022-03-22 | 高安天孚光电技术有限公司 | Adjustable quick-plugging non-contact PER testing device |
-
2021
- 2021-01-07 CN CN202110019489.7A patent/CN112737671A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114221698A (en) * | 2021-11-30 | 2022-03-22 | 高安天孚光电技术有限公司 | Adjustable quick-plugging non-contact PER testing device |
| CN114221698B (en) * | 2021-11-30 | 2024-02-23 | 高安天孚光电技术有限公司 | Adjustable quick-plugging non-contact PER testing device |
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