CN111817785B - Integrated optical fiber flange connection performance detection equipment - Google Patents
Integrated optical fiber flange connection performance detection equipment Download PDFInfo
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- CN111817785B CN111817785B CN202010505393.7A CN202010505393A CN111817785B CN 111817785 B CN111817785 B CN 111817785B CN 202010505393 A CN202010505393 A CN 202010505393A CN 111817785 B CN111817785 B CN 111817785B
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- 238000001514 detection method Methods 0.000 title claims abstract description 122
- 239000013307 optical fiber Substances 0.000 title claims abstract description 80
- 210000004907 gland Anatomy 0.000 claims abstract description 37
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 5
- 239000000835 fiber Substances 0.000 description 142
- 230000003287 optical effect Effects 0.000 description 47
- 230000009191 jumping Effects 0.000 description 20
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000000253 optical time-domain reflectometry Methods 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920006231 aramid fiber Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000006855 networking Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
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Abstract
本发明公开了一种一体式光纤法兰连接性能检测设备，旨在提供一种能够在光纤和法兰连接好，且不改变光纤连接状态的情况下，实现在同一个站点直接检测光纤连接是否符合要求的一体式光纤法兰连接性能检测设备。它包括检测盒体，检测盒体的上表面设有法兰容纳槽及两个检测缺口；压盖，压盖通过铰接轴转动设置在检测盒体上；光纤识别装置，光纤识别装置包括浮动支撑平板；连接性能检测装置，连接性能检测装置包括两个设置在压盖下表面上的弹性遮光压块、一一对应的设置在弹性遮光压块的下表面上的检测槽、设置在其中一个弹性遮光压块上的检测槽内的激光发射模块及设置在另一个弹性遮光压块上的检测槽内的激光接收模块。
The invention discloses an integrated optical fiber flange connection performance detection device, which aims to provide a device that can directly detect whether the optical fiber is connected at the same site without changing the connection state of the optical fiber and the flange. An all-in-one optical fiber flange connection performance testing equipment that meets the requirements. It includes a detection box body, the upper surface of the detection box body is provided with a flange accommodating groove and two detection notches; a gland, the gland is rotated and arranged on the detection box body through a hinge shaft; an optical fiber identification device, the optical fiber identification device includes a floating support A flat plate; a connection performance detection device, the connection performance detection device includes two elastic light-shielding pressure blocks arranged on the lower surface of the gland, one-to-one corresponding detection grooves arranged on the lower surface of the elastic light-shielding pressure blocks, and one of the elastic light-shielding pressure blocks The laser emitting module in the detection groove on the light-shielding pressure block and the laser receiving module arranged in the detection groove on the other elastic light-shielding pressure block.
Description
Technical Field
The invention relates to the technical field of optical fiber communication, in particular to an integrated optical fiber flange connection performance detection device.
Background
In the optical fiber communication network, a plurality of optical distribution units and fiber jumping devices are arranged, a plurality of stations are needed to use tail fibers to jump a fiber core on one optical cable line to another line in the process of optical path networking and detouring, and the optical fiber jumping operation is frequently carried out in the optical fiber operation and maintenance operation. Most of the existing optical distribution frames use standard FC flanges or SC flanges to carry out optical path connection with tail fibers, the tail fibers are in jumper connection with another line from a fiber core on one optical cable line, when the fiber jumping operation is affected by improper operation, component quality and aging, the condition that the fiber core of an individual station is in jumper connection loss or even cannot be used can occur, along with the increasing capacity of optical fiber distribution equipment, the problem is more and more, and the smooth expansion of the optical fiber operation and maintenance work is not facilitated; therefore, after the optical fiber jumping operation is completed, whether the optical fiber connection performance is qualified needs to be detected.
At present, after the optical fiber jumping operation is completed, a light source optical power meter and an OTDR test are generally adopted, and the test is carried out in a plug-in coupling mode, so that during the test, only one end tail fiber and a flange can be tested to be connected reliably, then the flange connection of the end tail fiber is disassembled, and then the other end tail fiber and the flange connection are tested to be connected reliably, so that only one end tail fiber and the flange connection can be ensured to be connected reliably, the optical fiber operation field is a closed-loop operation, after the tail fibers are connected at two ends of the jumping fiber, whether the connecting flanges at two ends of the jumping fiber meet the requirements can only be tested by using the light source optical power meter and the OTDR test at the opposite end of an optical cable line of a next station, so that the optical paths in two directions are good by using the OTDR test when the jumping fiber is carried out at one station, but when the jumping operation is carried out at the next station, the OTDR test finds that the connecting loss of the last station is large at one end tail fiber, the optical power meter and the optical fiber and the optical power meter and the OTDR test can only return to the last station to carry out the change treatment on the tail fiber and the flange, even new pigtails and flanges have the problem that the workload of operators is greatly increased, and the working efficiency of optical fiber jumping operation is affected.
Disclosure of Invention
The invention aims to provide the integrated optical fiber flange connection performance detection equipment which can realize that whether optical fiber connection meets requirements or not at the same station under the conditions that optical fibers and flanges are well connected and the connection state of the optical fibers is not changed, so that the workload of operators is reduced and the working efficiency is improved.
The technical scheme of the invention is as follows:
an integrated optical fiber flange connection performance detection device, comprising: the detection box body is provided with a flange accommodating groove and two detection gaps on the upper surface, the two detection gaps are positioned on two opposite sides of the flange accommodating groove, the detection gaps are communicated with the side surface of the detection box body, and the detection gaps are communicated with the flange accommodating groove through optical fiber through openings; the gland is rotationally arranged on the detection box body through an articulated shaft, a clamping structure is also arranged between the gland and the detection box body, and the gland and the detection box body are connected in a clamping way through the clamping structure; the optical fiber identification device corresponds to the detection notch one by one and comprises a mounting opening arranged on the bottom surface of the detection notch, a floating support flat plate positioned in the mounting opening, a support spring used for supporting the floating support flat plate and a trigger switch positioned below the floating support flat plate; connection performance detection device, connection performance detection device include two setting elasticity shading briquetting, the one-to-one on the gland lower surface detect the groove on the lower surface of elasticity shading briquetting, set up the laser emission module in the detection inslot on one of them elasticity shading briquetting and set up the laser receiving module in the detection inslot on another elasticity shading briquetting, elasticity shading briquetting and optical fiber identification device's the dull and stereotyped one-to-one of floating support, after linking to each other through block structure block between gland and the detection box body, the lower surface sticis of elasticity shading briquetting is on the dull and stereotyped surface of floating support that corresponds, and the dull and stereotyped notch that seals the detection groove that corresponds of floating support.
After flanges at two ends of the jump fiber are connected with the tail fiber, the connection performance of the flange at one end of the jump fiber and the tail fiber is detected through integrated optical fiber flange connection performance detection equipment, and then the connection performance of the flange at the other end of the jump fiber and the tail fiber is detected by adopting the same operation; the specific operation of detecting the connection performance of the flange at the end part of the jump fiber and the tail fiber is as follows:
first, the gland is opened;
then, placing a flange at one end of the jump fiber in a flange accommodating groove; the jumping fiber passes through an optical fiber through opening and is placed on a floating support flat plate in a detection gap; the tail fiber connected with the end jumping fiber passes through another optical fiber opening and is placed on a floating support flat plate in another detection gap;
then, rotating the gland to enable the gland to be connected with the detection box body in a clamping manner through a clamping structure; after the gland and the detection box body are connected in a clamping manner through the clamping structure, the lower surfaces of the elastic shading pressing blocks are tightly pressed on the surfaces of the corresponding floating supporting flat plates, one of the elastic shading pressing blocks presses the jumping fibers on the surface of the corresponding floating supporting flat plate, and the notches of the detection grooves on the elastic shading pressing blocks are opposite to the jumping fibers; the other elastic shading pressing block tightly presses the tail fiber on the surface of the corresponding floating support flat plate, and a notch of a detection groove on the elastic shading pressing block is opposite to the tail fiber; because the elastic shading pressing block has elasticity, after the elastic shading pressing block presses the jumping fiber or the tail fiber on the surface of the corresponding floating support flat plate, the floating support flat plate almost seals and covers the notch of the corresponding detection groove, so that the inner cavity of the detection groove forms a darkroom and is hardly influenced by external light;
meanwhile, the tail fiber comprises two types, one type is a chromatographic tail fiber with the diameter of 900 microns, the other type is a jumper connection tail fiber with the diameter of 3mm, the two types of tail fibers are different in structure, the jumper connection tail fiber is additionally provided with aramid fiber and an outer sheath on the basis of the chromatographic tail fiber, when the tail fiber is the chromatographic tail fiber with the diameter of 900 microns, the gland and the detection box body are connected in a clamping mode through a clamping structure, and after the tail fiber is tightly pressed on the surface of a corresponding floating support flat plate through the elastic shading pressing block, the floating support flat plate is small in downward moving amount due to the small diameter of the tail fiber, and the floating support flat plate cannot trigger a corresponding trigger switch; when the tail fiber is a chromatographic tail fiber with the diameter of 3mm, the gland is connected with the detection box body in a clamping manner through a clamping structure, and after the tail fiber is tightly pressed on the surface of the corresponding floating support flat plate by the elastic shading pressing block, the floating support flat plate has large downward moving amount due to the large diameter of the tail fiber, and the floating support flat plate triggers the corresponding trigger switch; thereby realizing the automatic identification of the tail fiber;
secondly, the connection performance detection device works, and transmits an optical signal with set power through a laser emission module in a detection groove on an elastic shading pressing block and directly couples the optical signal into an optical fiber of the tail fiber; then, a laser receiving module in a detection groove on the other elastic shading pressing block is used for directly receiving weak optical signals in a coupling mode; then, comparing the optical signal transmitted by the laser transmitting module with the optical signal received by the laser receiving module, wherein the difference value of the two is less than or equal to a set value, the loss caused by the connection of the flange at one end of the jump fiber and the tail fiber is qualified, namely the connection performance of the flange at one end of the jump fiber and the tail fiber is qualified, otherwise, the connection performance of the flange at one end of the jump fiber and the tail fiber is unqualified; in particular, the method comprises the following steps of,
firstly, a laser emission module in a detection groove on an elastic shading pressing block emits an optical signal with set power and is directly coupled into a fiber core of a tail fiber, if a trigger switch of an optical fiber identification device corresponding to the laser emission module is triggered, the tail fiber is a chromatographic tail fiber with the diameter of 3mm, and at the moment, the laser emission module emits an optical signal with the set power P of w1 and is directly coupled into the fiber core of the tail fiber; if the trigger switch of the optical fiber identification device corresponding to the laser emission module is not triggered, the tail fiber is a chromatographic tail fiber with the diameter of 900um, and at the moment, the laser emission module emits an optical signal with the set power P of w2 and is directly coupled into the fiber core of the tail fiber (w 1 is larger than w 2), so that the effective optical power directly coupled into the fiber core of the tail fiber under different sheaths is ensured to be the same through the identification of the tail fiber; then, a laser receiving module in a detection groove on the other elastic shading pressing block is used for directly receiving weak optical signals in a coupling mode; then, comparing the optical power of the optical signal transmitted by the laser transmitting module with the optical signal received by the laser receiving module, if the difference between the optical power of the optical signal transmitted by the laser transmitting module and the optical power of the optical signal received by the laser receiving module is smaller than or equal to a set value (for example, smaller than or equal to 0.5 dB), the connection performance of the flange at one end of the jump fiber and the tail fiber is qualified, otherwise, the connection performance is unqualified; therefore, under the conditions that the optical fiber and the flange are well connected and the connection state of the optical fiber is not changed, whether the connection between the flanges at the two ends of the jump fiber and the tail fiber meets the requirement or not is directly detected at the same station, the workload of operators is reduced, and the working efficiency is improved.
Preferably, the detection box body is of a hollow structure, a box inner cavity is arranged in the detection box body, the mounting port is communicated with the box inner cavity, the optical fiber recognition device further comprises a support, a vertical guide hole formed in the support and a guide rod arranged in the vertical guide hole in a sliding mode, the support spring is sleeved on the guide rod, the lower end of the guide rod is arranged on a lower limiting block, and the upper end of the guide rod is flat with the corresponding floating support plate.
Preferably, the trigger switch is provided on the bracket.
Preferably, a condenser lens is arranged below the laser emission module; and a condenser lens is also arranged below the laser receiving module.
Preferably, the floating support plate includes a floating plate and a mirror plate disposed on an upper surface of the floating plate.
As preferred, link to each other the back through block structure block between gland and the detection box body, still be formed with the optic fibre export between the lateral wall of gland and the lateral wall of detecting the box body, and optic fibre export and detection breach one-to-one.
As the preferred, all be equipped with on the lateral wall of flange holding tank and the diapire and hold the mouth.
Preferably, the trigger switch is a microswitch.
Preferably, the engaging structure is a snap structure.
The invention has the beneficial effects that: the optical fiber and the flange can be well connected, and whether the optical fiber connection meets the requirement or not can be directly detected at the same station under the condition that the optical fiber connection state is not changed, so that the workload of operators is reduced, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of the integrated optical fiber flange connection performance testing apparatus of the present invention after a gland is closed.
Fig. 2 is a schematic structural diagram of the integrated optical fiber flange connection performance testing apparatus of the present invention after the gland is opened.
Fig. 3 is a schematic cross-sectional view of the integrated optical fiber flange connection performance testing apparatus of the present invention during operation.
In the figure:
the device comprises a detection box body 1, a flange accommodating groove 1.1, an optical fiber through opening 1.2, a detection gap 1.3, a control switch 1.4 and a display screen 1.5;
a gland 2;
an optical fiber outlet 3;
a hinged shaft 4;
the device comprises a connection performance detection device 5, an elastic shading pressing block 5.1, a detection groove 5.2, a laser emission module 5.3, a laser receiving module 5.4 and a condenser 5.5;
an optical fiber identification device 6, a floating support flat plate 6.1, a support spring 6.2, a trigger switch 6.3,
the device comprises a bracket 6.4, a guide rod 6.5 and a lower limiting block 6.6;
flange 7.1, tail fiber 7.2, jump fiber 7.3.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present scheme, and are not construed as limiting the scheme of the present invention.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that a device or element referred to by a darkroom must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "several" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows: as shown in fig. 1, 2 and 3, an integrated optical fiber flange connection performance detection apparatus includes a detection box 1, a gland 2, an optical fiber identification device 6 and a connection performance detection device 5. The upper surface that detects the box body is equipped with flange holding tank 1.1 and two and detects breach 1.3. Two detection gaps are located on two opposite sides of the flange accommodating groove and communicated with the side face of the detection box body. The detection notch is communicated with the flange accommodating groove through an optical fiber through opening 1.2.
In this embodiment, after the gland is connected with the detection box body through the block structure, an optical fiber outlet 3 is further formed between the side wall of the gland and the side wall of the detection box body, and the optical fiber outlet corresponds to the detection notch one to one.
The optical fiber identification devices 6 correspond to the detection notches one by one. The optical fiber identification device comprises an installation opening arranged on the bottom surface of the detection gap, a floating support flat plate 6.1 positioned in the installation opening, a support spring 6.2 used for supporting the floating support flat plate and a trigger switch 6.3 positioned below the floating support flat plate. In this embodiment, the trigger switch is a microswitch.
The connection performance detection device 5 comprises two elastic shading pressing blocks 5.1 arranged on the lower surface of the gland, detection grooves 5.2 which are arranged on the lower surface of the elastic shading pressing blocks in a one-to-one correspondence manner, a laser emitting module 5.3 arranged in the detection groove on one of the elastic shading pressing blocks and a laser receiving module 5.4 arranged in the detection groove on the other elastic shading pressing block. In this embodiment, the elastic light-shielding pressing block is a black rubber block. The elastic shading pressing blocks correspond to the floating support flat plates of the optical fiber identification device one by one. After the gland and the detection box body are connected through the clamping of the clamping structure, the lower surface of the elastic shading pressing block is tightly pressed on the surface of the corresponding floating support flat plate, and the floating support flat plate covers the notch of the corresponding detection groove.
The integral type in the subject name of this embodiment means that the box body, the gland, the optical fiber recognition device and the connection performance detection device are integrated.
After flanges at two ends of the jump fiber are connected with the tail fiber, the connection performance of the flange at one end of the jump fiber and the tail fiber is detected through integrated optical fiber flange connection performance detection equipment, and then the connection performance of the flange at the other end of the jump fiber and the other tail fiber is detected by adopting the same operation; the specific operation of detecting the connection performance of the flange at the end part of the jump fiber and the tail fiber is as follows:
first, the gland is opened;
next, as shown in fig. 3, the flange 7.1 at one end of the jump fiber is placed in the flange accommodating groove; the jumping fiber 7.3 passes through an optical fiber through opening and is placed on a floating support plate in a detection gap; the tail fiber 7.2 connected with the end jumping fiber passes through another optical fiber opening and is placed on a floating support flat plate in another detection gap;
then, as shown in fig. 3, the gland is rotated to be connected with the detection box body through the clamping structure in a clamping manner; after the gland and the detection box body are connected in a clamping manner through the clamping structure, the lower surfaces of the elastic shading pressing blocks are tightly pressed on the surfaces of the corresponding floating supporting flat plates, one of the elastic shading pressing blocks presses the jumping fiber 7.3 on the surface of the corresponding floating supporting flat plate, and the notch of the detection groove on the elastic shading pressing block is opposite to the jumping fiber; the other elastic shading pressing block presses the tail fiber 7.2 on the surface of the corresponding floating support flat plate, and a notch of a detection groove on the elastic shading pressing block is over against the tail fiber; because the elastic shading pressing block has elasticity, after the elastic shading pressing block presses the jumping fiber or the tail fiber on the surface of the corresponding floating support flat plate, the floating support flat plate almost seals and covers the notch of the corresponding detection groove, so that the inner cavity of the detection groove forms a darkroom and is hardly influenced by external light;
meanwhile, the tail fiber comprises two types, one type is a chromatographic tail fiber with the diameter of 900 microns, the other type is a jumper connection tail fiber with the diameter of 3mm, the two types of tail fibers are different in structure, the jumper connection tail fiber is additionally provided with aramid fiber and an outer sheath on the basis of the chromatographic tail fiber, when the tail fiber is the chromatographic tail fiber with the diameter of 900 microns, the gland and the detection box body are connected in a clamping mode through a clamping structure, and after the tail fiber is tightly pressed on the surface of a corresponding floating support flat plate through the elastic shading pressing block, the floating support flat plate is small in downward moving amount due to the small diameter of the tail fiber, and the floating support flat plate cannot trigger a corresponding trigger switch; when the tail fiber is a chromatographic tail fiber with the diameter of 3mm, the gland is connected with the detection box body in a clamping manner through a clamping structure, and after the tail fiber is tightly pressed on the surface of the corresponding floating support flat plate by the elastic shading pressing block, the floating support flat plate has large downward moving amount due to the large diameter of the tail fiber, and the floating support flat plate triggers the corresponding trigger switch; thereby realizing the automatic identification of the tail fiber;
secondly, the connection performance detection device works, and transmits an optical signal with set power through a laser emission module in a detection groove on an elastic shading pressing block and directly couples the optical signal into an optical fiber of the tail fiber; then, a laser receiving module in a detection groove on the other elastic shading pressing block is used for directly receiving weak optical signals in a coupling mode; then, comparing the optical signal transmitted by the laser transmitting module with the optical signal received by the laser receiving module, wherein the difference value of the two is less than or equal to a set value, the loss caused by the connection of the flange at one end of the jump fiber and the tail fiber is qualified, namely the connection performance of the flange at one end of the jump fiber and the tail fiber is qualified, otherwise, the connection performance of the flange at one end of the jump fiber and the tail fiber is unqualified; in particular, the method comprises the following steps of,
firstly, a laser emission module in a detection groove on an elastic shading pressing block emits an optical signal with set power and is directly coupled into a fiber core of a tail fiber, if a trigger switch of an optical fiber identification device corresponding to the laser emission module is triggered, the tail fiber is a chromatographic tail fiber with the diameter of 3mm, and at the moment, the laser emission module emits an optical signal with the set power P of 10 milliwatts and is directly coupled into the fiber core of the tail fiber; if the trigger switch of the optical fiber identification device corresponding to the laser emission module is not triggered, the tail fiber is a chromatographic tail fiber with the diameter of 900um, and at the moment, the laser emission module emits an optical signal with the set power P of 5 milliwatts and is directly coupled into the fiber core of the tail fiber, so that the effective optical power directly coupled into the fiber core of the tail fiber under different sheaths is ensured to be the same through the identification of the tail fiber; then, a laser receiving module in a detection groove on the other elastic shading pressing block is used for directly receiving weak optical signals in a coupling mode; then, the optical power P of the optical signal emitted by the laser emitting module is compared with the optical power P1 of the optical signal received by the laser receiving module, and if the difference between the two is less than or equal to a set value (in this embodiment, the set value is 0.5 dB), the connection performance between the flange at one end of the jump fiber and the tail fiber is qualified, otherwise, the connection performance is not qualified; therefore, under the conditions that the optical fiber and the flange are well connected and the connection state of the optical fiber is not changed, whether the connection between the flanges at the two ends of the jump fiber and the tail fiber meets the requirement or not is directly detected at the same station, the workload of operators is reduced, and the working efficiency is improved.
And thirdly, opening the gland and taking out the flange, the tail fiber and the jump fiber.
In this embodiment, as shown in fig. 1 and 3, the detection box body is a hollow structure, and a box inner cavity is arranged in the detection box body. And a main control circuit board in the cavity in the detection box body. The outer surface of the detection box body is also provided with a control switch 1.4 and a display screen 1.5. Each trigger switch is connected with the main control circuit board through a signal line, and the laser receiving module and the laser emitting module are connected with the main control circuit board through signal lines. The control switch is connected with the main control circuit board through a signal wire. The control switch is used for controlling the connection performance detection device to work. The optical power P of the optical signal emitted by the laser emitting module is compared with the optical power P1 of the optical signal received by the laser receiving module, and whether the connection performance between the flange at one end of the jump fiber and the tail fiber is qualified or not is judged on the main control circuit board. The display screen is used for displaying whether the connection performance of the flange at the end part of the jump fiber and the tail fiber is qualified or not.
Further, as shown in fig. 3, the mounting opening is communicated with the cavity in the box, and the optical fiber identification device 6 further comprises a bracket 6.4, a vertical guide hole arranged on the bracket, and a guide rod 6.5 slidably arranged in the vertical guide hole. The supporting spring is sleeved on the guide rod, the lower end of the guide rod is arranged on the lower limiting block 6.6, and the upper end of the guide rod is provided with the corresponding floating supporting flat plate. The trigger switch is arranged on the bracket.
Further, as shown in fig. 3, a condenser 5.5 is arranged below the laser emitting module; and a condenser lens is also arranged below the laser receiving module.
Furthermore, the floating support plate comprises a floating plate and a reflective lens arranged on the upper surface of the floating plate.
Further, all be equipped with on the lateral wall of flange holding tank and the diapire and hold the mouth. So can make the better adaptation SC flange of flange holding tank.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (7)
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| CN212378992U (en) * | 2020-06-05 | 2021-01-19 | 国网浙江省电力有限公司衢州供电公司 | An integrated optical fiber flange connection performance testing equipment |
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