CN114985298A - Automatic test system for optical module - Google Patents
Automatic test system for optical module Download PDFInfo
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- CN114985298A CN114985298A CN202210413496.XA CN202210413496A CN114985298A CN 114985298 A CN114985298 A CN 114985298A CN 202210413496 A CN202210413496 A CN 202210413496A CN 114985298 A CN114985298 A CN 114985298A
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- 238000012360 testing method Methods 0.000 title claims abstract description 193
- 230000003287 optical effect Effects 0.000 title claims abstract description 131
- 239000013307 optical fiber Substances 0.000 claims abstract description 172
- 230000007246 mechanism Effects 0.000 claims abstract description 138
- 238000004140 cleaning Methods 0.000 claims abstract description 89
- 238000001514 detection method Methods 0.000 claims abstract description 54
- 230000003749 cleanliness Effects 0.000 claims abstract description 45
- 230000002950 deficient Effects 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 43
- 239000000835 fiber Substances 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000013461 design Methods 0.000 description 13
- 230000009471 action Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000000284 extract Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012681 fiber drawing Methods 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 238000013522 software testing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/94—Investigating contamination, e.g. dust
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The application relates to an optical module automatic test system, including: the optical module cleaning device comprises a rack, a feeding box and a feeding box conveying mechanism, wherein a plurality of optical modules to be detected are placed on the feeding box, and the rack is further provided with an optical module grabbing mechanism, a module testing plate, an optical fiber grabbing mechanism, an optical fiber cleaning mechanism, an optical fiber end face cleanliness detecting mechanism, a qualified product box, a defective product box, a computer control module and a testing optical fiber. The application has the following expected technical effects: the whole testing process is fully automatic, manual intervention is not needed, the working efficiency is high, the testing precision is high, and the testing device can be suitable for high-speed detection of optical modules in large batch.
Description
Technical Field
The application relates to the technical field of optical communication test equipment, in particular to an automatic test system for an optical module.
Background
The optical module comprises an optoelectronic device, a functional circuit, an optical interface and the like, wherein the optoelectronic device comprises a transmitting part and a receiving part, and the optical module has the functions that a transmitting end converts an electric signal into an optical signal, and a receiving end converts the optical signal into the electric signal after the optical signal is transmitted by an optical fiber.
After the optical modules are produced, each optical module needs to be tested to ensure that the optical modules work normally, the current testing work is manual operation, and the specific operation is as follows: the end face of the test optical fiber is cleaned by a cleaning tool such as a brush or cleaning cloth to remove foreign matters on the end face of the test optical fiber, whether the foreign matters are removed is judged in a visual observation mode, then the test optical fiber is inserted into the optical module to be detected, and whether the optical module is qualified is judged through signal feedback results.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the working efficiency of manually testing the optical modules is low, the testing precision is not high, and the optical modules are difficult to adapt to high-speed detection of large-batch optical modules, so that improvement is needed.
Disclosure of Invention
The application provides an optical module automatic test system to improve following technical problem: the working efficiency of manually testing the optical modules is low, the testing precision is not high, and the optical modules are difficult to adapt to large-batch high-speed detection of the optical modules.
The application provides an optical module automatic test system, which adopts the following technical scheme:
an optical module automatic test system, comprising: the optical module cleaning device comprises a rack, a feeding box and a feeding box conveying mechanism, wherein a plurality of optical modules to be detected are placed on the feeding box, and the rack is also provided with an optical module grabbing mechanism, a module testing plate, an optical fiber grabbing mechanism, an optical fiber cleaning mechanism, an optical fiber end face cleanliness detection mechanism, a qualified product box, a defective product box and a computer control module;
the optical fiber cleaning mechanism automatically cleans the end face of a test optical fiber in a contact wiping mode, the optical fiber end face cleanliness detection mechanism detects the cleanliness of the surface of the test optical fiber in a shooting comparison mode, the optical fiber grabbing mechanism is used for grabbing the test optical fiber and driving the test optical fiber to switch positions among the optical fiber cleaning mechanism, the optical fiber end face cleanliness detection mechanism and the module test board, and the optical module grabbing mechanism is used for grabbing an optical module to be detected on the feeding box and driving the optical module to be detected to switch positions among the module test board, the qualified product material box and the defective product material box;
the material box conveying mechanism is arranged on the rack and is used for inputting the material loading box, outputting a qualified material box and outputting a defective material box, and the automatic optical module testing system is controlled by the computer control module.
By adopting the technical scheme, the feeding box loaded with the optical module to be detected can be conveyed to an appointed position through the feeding box conveying mechanism, then the optical module to be detected on the feeding box is grabbed by the optical module grabbing mechanism and transferred to the testing station on the module testing board, and the optical fiber grabbing mechanism grabbed with the testing optical fiber can convey the testing optical fiber to the optical fiber end face cleanliness detection mechanism so as to detect the cleanliness of the surface of the testing optical fiber in a shooting and comparing manner;
if the detection result is that the cleanliness of the surface of the test optical fiber is qualified, the optical fiber grabbing mechanism conveys the test optical fiber to a test station on the module test board, and enables the test optical fiber to be spliced with the optical module to be detected, and the test work is completed;
if the detection result is that the cleanliness of the surface of the test optical fiber is not qualified, the optical fiber grabbing mechanism conveys the test optical fiber to the optical fiber cleaning mechanism for cleaning, after the cleaning is finished, the optical fiber grabbing mechanism conveys the test optical fiber to the optical fiber end surface cleanliness detection mechanism for secondary detection, the process can be repeated until the cleanliness of the surface of the test optical fiber is qualified, the optical fiber grabbing mechanism conveys the test optical fiber to a test station on a module test board, and enables the test optical fiber to be spliced with an optical module to be detected, and the test operation is completed;
according to the automatic optical module testing system, the whole testing process is fully automatic, manual intervention is not needed, the working efficiency is high, the testing precision is high, and the automatic optical module testing system can be suitable for large-batch high-speed optical module detection.
Optionally, the optical module grabbing mechanism includes: the optical module detection device comprises a first XYZ three-axis linear motion module and a first pneumatic clamp finger, wherein power sources of the first XYZ three-axis linear motion module are three groups of servo motors and realize transmission through a screw rod slider structure, the first XYZ three-axis linear motion module drives the first pneumatic clamp finger to move along the X, Y, Z three-axis direction, and the first pneumatic clamp finger is used for clamping an optical module to be detected.
Through adopting above-mentioned technical scheme, the mode such as press from both sides and get, peg graft is the necessary action of test work, and first XYZ triaxial rectilinear motion module can drive to press from both sides and get the first pneumatic clamp finger motion to appointed position department that awaits measuring optical module, and then is favorable to driving the optical module and shifts fast and realize the above-mentioned actions such as press from both sides and get, peg graft, and whole optical module snatchs the mechanism, and the technique is mature, walks the position accurate, controls the convenience, and work efficiency is than higher.
Optionally, the optical fiber gripping mechanism includes: the device comprises a second XYZ three-axis linear motion module and a second pneumatic clamp finger, wherein power sources of the second XYZ three-axis linear motion module are three groups of servo motors and realize transmission through a screw rod slider structure, the second XYZ three-axis linear motion module drives the second pneumatic clamp finger to move along X, Y, Z three-axis directions, and the second pneumatic clamp finger is used for clamping a test optical fiber.
Through adopting above-mentioned technical scheme, the mode such as press from both sides and get, peg graft is the necessary action of test work, and second XYZ triaxial rectilinear motion module can drive to press from both sides the second pneumatic clamp that gets test optical fiber and indicate the motion to appointed position department, and then is favorable to driving test optical fiber and shifts fast and realize the above-mentioned actions such as press from both sides and get, peg graft, and whole optic fibre snatchs the mechanism, and the technique is mature, walks the position accurate, controls the convenience, and work efficiency is than higher.
Optionally, the optical fiber cleaning mechanism includes: wash case, first cleaning tape reel, second cleaning tape reel and cleaning motor, first cleaning tape reel fixed mounting in wash the incasement, the second cleaning tape reel rotate install in wash the incasement, the side of wasing the case is provided with the washing opening, be provided with the clean roll coil of cleaning on the first cleaning tape reel, clean the both ends of taking connect respectively in first cleaning tape reel with on the second cleaning tape reel, the face of cleaning the area process be used for wasing the test fiber end face rather than the contact during washing the opening, the cleaning motor install in wash the outside of case and drive the second cleaning tape reel rotates, the second cleaning tape reel can progressively will when rotating first cleaning tape reel clean the area shift to on the second cleaning tape reel.
By adopting the technical scheme, the cleaning motor can drive the second cleaning tape reel to rotate when working, the cleaning tape on the first cleaning tape reel can be wound under the pulling action of the cleaning tape, the cleaning surface of the cleaning tape passes through the cleaning opening in the winding process, and at the moment, if the end part of the test optical fiber is inserted into the cleaning opening, the end surface of the test optical fiber can be automatically cleaned by the moving cleaning tape; the optical fiber cleaning mechanism with the design has the advantages of simple structure, stable operation, convenient operation and control, and better cleaning effect on the end face of the tested optical fiber.
Optionally, the optical fiber end face cleanliness detection mechanism includes: the device comprises a shooting camera and a lens hood, wherein the shooting camera is installed on the rack, the lens hood is arranged at one end, close to the shooting camera, of a lens, a socket for inserting the end part of a test optical fiber is formed in the lens hood, a clean standard picture of the surface of the end part of the test optical fiber is prestored in the computer control module, the shooting camera transmits a detection picture of the surface of the end part of the test optical fiber obtained by shooting to the computer control module, and the computer control module judges whether the cleanliness of the surface of the test optical fiber is qualified or not by comparing the standard picture with the detection picture.
Through adopting above-mentioned technical scheme, the optical fiber end face cleanliness detection mechanism of above-mentioned design, simple structure, the operation is stable, controls the convenience, and is better to the detection effect of the cleanliness on test optical fiber surface.
Optionally, the feeding box, the qualified product box and the defective product box are all of a square structure, grooves for clamping the light modules in multiple rows and multiple columns are formed in the upper surface of the feeding box, the feeding box conveying mechanism comprises at least two slide rails arranged at intervals, and the feeding box, the qualified product box or the defective product box freely slide between the two slide rails and are pushed to slide by a part moving back and forth.
By adopting the technical scheme, the material box conveying mechanism can drive the feeding material box, the qualified material box and the defective material box very stably so as to ensure that the optical module is not easy to drop and the damage to the optical module is low.
Optionally, a buckle adapted to be inserted into the optical module to be tested is arranged at an end of the test optical fiber, an auxiliary optical fiber pulling-out mechanism is further arranged on the rack, the auxiliary optical fiber pulling-out mechanism is arranged on one side of the module test board, and the auxiliary optical fiber pulling-out mechanism is used for automatically unlocking the buckle after the test operation is completed and before the test optical fiber is pulled out.
Through adopting above-mentioned technical scheme, the design of buckle is favorable to testing optic fibre and wait to detect and treat and detect the stable connection between the optical module, and the test result can be more accurate, increases the supplementary optic fibre of design moreover and extracts the mechanism, can unblock the buckle automatically to supplementary test optic fibre is extracted automatically.
Optionally, the auxiliary optical fiber pulling mechanism includes: the rotary cylinder is installed on the rack, the pressing portion is arranged on the output portion of the rotary cylinder, and the rotary cylinder drives the pressing portion to press the buckle to be unlocked.
Through adopting above-mentioned technical scheme, the mechanism is extracted to the supplementary optic fibre of above-mentioned design, simple structure, the operation is stable, controls the convenience, can be stable and efficient unblock buckle.
Optionally, a calibration portion is further disposed on the frame, a calibration slot for allowing a calibration position of the optical module to be detected is disposed on the calibration portion, the optical module grabbing mechanism firstly conveys the optical module to be detected into the calibration slot, and then conveys the optical module to be detected onto the module test board for detection.
Through adopting above-mentioned technical scheme, it probably has crooked problem to wait to detect the optical module position on last magazine to put, takes the calibration portion of calibration draw-in groove through increasing the design, before can guaranteeing to wait to detect the optical module and being carried to the module and survey on the board, the position is unlikely to crooked, more does benefit to the follow-up optical module of waiting to detect and carries out grafting work between the test optical fiber, tests more accurately and high-efficiently.
Optionally, four module test boards are provided, wherein a group of the optical fiber cleaning mechanism and the optical fiber end face cleanliness detection mechanism are provided between two module test boards, a group of the optical fiber cleaning mechanism and the optical fiber end face cleanliness detection mechanism are also provided between another two module test boards, two groups of the optical fiber grabbing mechanisms are provided, and each group of the optical fiber grabbing mechanisms corresponds to two module test boards to work.
Through adopting above-mentioned technical scheme, each optical fiber wiper mechanism of group, optical fiber end face cleanliness detection mechanism, optic fibre snatch the mechanism and can match two test jobs, and whole equipment has four test jobs, is difficult to have the interference phenomenon each other moreover, and efficiency of software testing is higher, and the practicality is better.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the whole testing process is fully-automatic, manual intervention is not needed, the working efficiency is high, the testing precision is high, and the testing method can be suitable for high-speed detection of a large batch of optical modules;
2. by additionally arranging the calibration part with the calibration clamping groove, the position of the optical module to be detected can be ensured not to be skewed before the optical module to be detected is conveyed to the module test board, the subsequent splicing work between the optical module to be detected and the test optical fiber is more facilitated, and the test is more accurate and efficient;
3. the design of buckle is favorable to testing optical fiber and wait to detect and detect the stable connection between the optical module, and the test result can be more accurate, increases the supplementary optic fibre of design and extracts the mechanism moreover, can unblock the buckle automatically to supplementary test optic fibre is extracted automatically.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an optical module automatic test system according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of an optical module automatic test system according to an embodiment of the present application, where a back view of a housing is removed.
Fig. 3 is a schematic structural diagram of a front view of the optical module automatic test system according to the embodiment of the present application after a housing is removed.
FIG. 4 is a schematic structural diagram of an optical fiber cleaning mechanism according to an embodiment of the present application.
Fig. 5 is a schematic structural diagram of an optical fiber end face cleanliness detection mechanism according to an embodiment of the present application.
Fig. 6 is a schematic structural view of an auxiliary optical fiber drawing mechanism according to an embodiment of the present application.
Fig. 7 is a schematic structural diagram of the calibration portion according to the embodiment of the present application.
Description of reference numerals:
101. a frame; 102. feeding a material box; 103. a magazine conveying mechanism; 31. a slide rail; 104. an optical module grabbing mechanism; 41. a first XYZ three-axis linear motion module; 42. a first pneumatic clamping finger; 105. a module test board; 106. an optical fiber grasping mechanism; 61. a second XYZ three-axis linear motion module; 62. a second pneumatic gripping finger; 107. an optical fiber cleaning mechanism; 71. a cleaning tank; 72. a first wiping tape spool; 73. a second wiping tape roll; 74. cleaning the motor; 75. a lifting cylinder; 76. a sliding guide rail; 108. an optical fiber end face cleanliness detection mechanism; 81. a shooting camera; 82. a lens cover; 83. a support; 109. qualified product box; 110. a defective material box; 111. an auxiliary optical fiber pulling-out mechanism; 1111. a rotating cylinder; 1112. a pressing part; 112. a calibration unit.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses an automatic test system for an optical module. Referring to fig. 1 to 3, the optical module automatic test system includes: the optical module cleaning device comprises a rack 101, an upper material box 102 and a material box conveying mechanism 103, wherein a plurality of optical modules to be detected are placed on the upper material box 102, and the rack 101 is further provided with an optical module grabbing mechanism 104, a module testing plate 105, an optical fiber grabbing mechanism 106, an optical fiber cleaning mechanism 107, an optical fiber end face cleanliness detection mechanism 108, a qualified product material box 109, a defective product material box 110 and a computer control module.
The optical fiber cleaning mechanism 107 automatically cleans the end face of the test optical fiber in a contact wiping mode, the optical fiber end face cleanliness detection mechanism 108 detects the cleanliness of the surface of the test optical fiber in a shooting comparison mode, the optical fiber grabbing mechanism 106 is used for grabbing the test optical fiber and driving the test optical fiber to switch positions among the optical fiber cleaning mechanism 107, the optical fiber end face cleanliness detection mechanism 108 and the module test board 105, and the optical module grabbing mechanism 104 is used for grabbing the optical module to be detected on the upper material box 102 and driving the optical module to be detected to switch positions among the module test board 105, the qualified material box 109 and the defective material box 110; the magazine conveying mechanism 103 is mounted on the rack 101 and is used for inputting the feeding magazine 102, outputting the qualified magazine 109 and outputting the defective magazine 110, and the automatic optical module testing system is controlled by the computer control module.
The module test board 105 is provided with four, wherein a group of optical fiber cleaning mechanism 107 and an optical fiber end face cleanliness detection mechanism 108 are arranged between two module test boards 105, a group of optical fiber cleaning mechanism 107 and an optical fiber end face cleanliness detection mechanism 108 are also arranged between the other two module test boards 105, the optical fiber grabbing mechanisms 106 are provided with two groups, and each group of optical fiber grabbing mechanisms 106 work corresponding to the two module test boards 105.
Every a set of optic fibre wiper mechanism 107, optic fibre terminal surface cleanliness detection mechanism 108, optic fibre snatch mechanism 106 and can match two test jobs, and whole equipment has four test jobs, is difficult to exist the interference phenomenon each other moreover, and efficiency of software testing is higher, and the practicality is better.
Optical module gripping mechanism 104 includes: the first XYZ three-axis linear motion module 41 and the first pneumatic clamping finger 42 are arranged in the optical module detection device, a power source of the first XYZ three-axis linear motion module 41 is three groups of servo motors and transmission is realized through a screw rod slider structure, the first XYZ three-axis linear motion module 41 drives the first pneumatic clamping finger 42 to move along the direction of three axes X, Y, Z, and the first pneumatic clamping finger 42 is used for clamping an optical module to be detected.
The clamping, inserting and the like are necessary actions of test work, the first XYZ three-axis linear motion module 41 can drive the first pneumatic clamping finger 42 for clamping the optical module to be detected to move to a specified position, and then the optical module can be driven to rapidly transfer to realize the clamping, inserting and the like, the whole optical module grabbing mechanism 104 is mature in technology, accurate in walking position, convenient to control and high in working efficiency.
The fiber gripping mechanism 106 includes: the second XYZ three-axis linear motion module 61 and the second pneumatic clamp finger 62, the power source of the second XYZ three-axis linear motion module 61 is three groups of servo motors and transmission is realized through a screw rod slider structure, the second XYZ three-axis linear motion module 61 drives the second pneumatic clamp finger 62 to move along the direction of the X, Y, Z three axes, and the second pneumatic clamp finger 62 is used for clamping a test optical fiber.
The clamping, inserting and the like are necessary actions of test work, the second XYZ three-axis linear motion module 61 can drive the second pneumatic clamping finger 62 which is clamped with the test optical fiber to move to a specified position, and then the test optical fiber is driven to be rapidly transferred to realize the clamping, inserting and the like, the whole optical fiber grabbing mechanism 106 is mature in technology, accurate in walking position, convenient to control and high in working efficiency.
The upper material box 102, the qualified product material box 109 and the defective product material box 110 are of square structures, grooves for clamping the optical modules are formed in multiple rows and multiple columns on the upper surfaces of the upper material box 102, the qualified product material box 109 and the defective product material box 110, the material box conveying mechanism 103 comprises at least two sliding rails 31 which are arranged at intervals, and the upper material box 102, the qualified product material box 109 or the defective product material box 110 freely slide between the two sliding rails 31 and are pushed to slide by parts which move back and forth. The above-designed magazine conveying mechanism 103 can drive the upper magazine 102, the qualified magazine 109, and the defective magazine 110 very stably to ensure that the optical module is not easy to drop and the damage to the optical module is low. The reciprocating component can be a belt-driven block or a screw-slider-structure-driven block, and the block drives the feeding box 102, the qualified material box 109 and the defective material box 110 to move back and forth when moving back and forth.
Referring to fig. 3 and 4, the fiber cleaning mechanism 107 includes: the cleaning device comprises a cleaning box 71, a first wiping tape reel 72, a second wiping tape reel 73 and a cleaning motor 74, wherein the first wiping tape reel 72 is fixedly installed in the cleaning box 71, the second wiping tape reel 73 is rotatably installed in the cleaning box 71, a cleaning opening is formed in the side surface of the cleaning box 71, a clean wiping tape reel is arranged on the first wiping tape reel 72, two ends of a wiping tape are respectively connected to the first wiping tape reel 72 and the second wiping tape reel 73, a wiping surface of the wiping tape is used for cleaning a test optical fiber end surface in contact with the wiping tape when passing through the cleaning opening, the cleaning motor 74 is installed outside the cleaning box 71 and drives the second wiping tape reel 73 to rotate, and the wiping tape on the first wiping tape reel 72 can be gradually transferred onto the second wiping tape reel 73 when the second wiping tape reel 73 rotates.
When the cleaning motor 74 works, the second cleaning tape reel 73 can be driven to rotate, the cleaning tape on the first cleaning tape reel 72 can be wound through the pulling action of the cleaning tape, the cleaning surface of the cleaning tape passes through the cleaning opening in the winding process, and at the moment, if the end part of the test optical fiber is inserted into the cleaning opening, the end surface of the test optical fiber can be automatically cleaned by the moving cleaning tape; the optical fiber cleaning mechanism 107 with the design has the advantages of simple structure, stable operation, convenient operation and good cleaning effect on the end face of the tested optical fiber.
The cleaning box 71 can also be lifted through a lifting cylinder 75, and the bottom of the lifting cylinder 75 can also be assembled on a sliding guide rail 76 in a sliding manner, so that the horizontal position and the vertical position of the cleaning box 71 can be conveniently adjusted by a worker, the cleaning box is suitable for cleaning test optical fibers of various models, and the operation and the use are more convenient.
Referring to fig. 3 and 5, the optical fiber end face cleanliness detection mechanism 108 includes: the camera 81 is shot, the lens cover 82, the camera 81 is installed on the frame 101 through a vertically arranged support 83, the lens cover 82 is arranged at one end of a lens close to the camera 81, a socket for inserting a test optical fiber end is arranged on the lens cover 82, a standard picture of a clean test optical fiber end surface is pre-stored in the computer control module, the shot camera 81 transmits a shot detection picture of the test optical fiber end surface to the computer control module, and the computer control module judges whether the cleanliness of the test optical fiber surface is qualified or not by comparing the standard picture with the detection picture. The optical fiber end face cleanliness detection mechanism 108 with the design has the advantages of simple structure, stable operation, convenient operation and good detection effect on the cleanliness of the surface of the tested optical fiber.
Referring to fig. 3 and 6, a buckle adapted to be inserted into an optical module to be tested is disposed at an end of a test optical fiber, an auxiliary optical fiber pulling-out mechanism 111 is further disposed on the rack 101, the auxiliary optical fiber pulling-out mechanism 111 is disposed on one side of the module test board 105, and the auxiliary optical fiber pulling-out mechanism 111 is used for automatically unlocking the buckle after a test operation is completed and before the test optical fiber is pulled out. The design of buckle is favorable to testing optical fiber and wait to detect the stable connection between the optical module, and the test result can be more accurate, increases the supplementary optic fibre of design and extracts mechanism 111 moreover, can unblock the buckle automatically to supplementary test optic fibre is extracted automatically.
The auxiliary optical fiber drawing mechanism 111 includes: revolving cylinder 1111 with press portion 1112, revolving cylinder 1111 installs on frame 101, press portion 1112 to locate on revolving cylinder 1111's the output, revolving cylinder 1111 drives and presses portion 1112 in order to press the unblock buckle. The mechanism 111 is extracted to the supplementary optic fibre of above-mentioned design, simple structure, and the operation is stable, controls the convenience, can be stable and efficient unblock buckle.
Referring to fig. 3 and 7, a calibration portion 112 is further disposed on the frame 101, a calibration slot for calibrating a position of an optical module to be detected is disposed on the calibration portion 112, and the optical module grabbing mechanism 104 first conveys the optical module to be detected to the calibration slot, and then conveys the optical module to be detected to the module test board 105 for detection. The position of the optical module to be detected placed on the upper material box 102 may have a skew problem, and by adding the calibration part 112 with the calibration clamping groove, before the optical module to be detected is conveyed to the module test board 105, the position is unlikely to be skewed, so that the subsequent splicing work between the optical module to be detected and the test optical fiber is facilitated, and the test is more accurate and efficient.
The implementation principle of the automatic test system for the optical module in the embodiment of the application is as follows: the optical module to be detected on the upper material box 102 can be grabbed by the optical module grabbing mechanism 104 and transferred to a test station on the module test board 105, and the optical fiber grabbing mechanism 106 grabbed with the test optical fiber can convey the test optical fiber to the optical fiber end face cleanliness detection mechanism 108 so as to detect cleanliness of the surface of the test optical fiber in a shooting and comparing mode.
If the detection result is that the cleanliness of the surface of the test optical fiber is qualified, the optical fiber grabbing mechanism 106 conveys the test optical fiber to a test station on the module test board 105, and enables the test optical fiber to be spliced with the optical module to be detected, and the test work is completed; if the detection result is that the cleanliness of the surface of the test optical fiber is unqualified, the optical fiber grabbing mechanism 106 conveys the test optical fiber to the optical fiber cleaning mechanism 107 for cleaning, after the cleaning is finished, the optical fiber grabbing mechanism 106 conveys the test optical fiber to the optical fiber end face cleanliness detection mechanism 108 for secondary detection, the process can be repeated until the cleanliness of the surface of the test optical fiber is qualified, the optical fiber grabbing mechanism 106 conveys the test optical fiber to a test station on the module test board 105, the test optical fiber and the optical module to be detected are spliced, and the test operation is finished.
According to the automatic optical module testing system, the whole testing process is fully automatic, manual intervention is not needed, the working efficiency is high, the testing precision is high, and the automatic optical module testing system can be suitable for large-batch high-speed optical module detection.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (10)
1. An optical module automatic test system, comprising: the optical module cleaning device comprises a rack (101), an upper material box (102) and a material box conveying mechanism (103), wherein a plurality of optical modules to be detected are placed on the upper material box (102), and an optical module grabbing mechanism (104), a module test board (105), an optical fiber grabbing mechanism (106), an optical fiber cleaning mechanism (107), an optical fiber end face cleanliness detection mechanism (108), a qualified product material box (109), a defective product material box (110) and a computer control module are further arranged on the rack (101);
the optical fiber cleaning mechanism (107) automatically cleans the end face of a test optical fiber in a contact wiping mode, the optical fiber end face cleanliness detection mechanism (108) detects the cleanliness of the surface of the test optical fiber in a shooting comparison mode, the optical fiber grabbing mechanism (106) is used for grabbing the test optical fiber and driving the test optical fiber to switch positions among the optical fiber cleaning mechanism (107), the optical fiber end face cleanliness detection mechanism (108) and the module test board (105), and the optical module grabbing mechanism (104) is used for grabbing an optical module to be detected on the feeding box (102) and driving the optical module to be detected to switch positions among the module test board (105), the qualified product box (109) and the defective product box (110);
the material box conveying mechanism (103) is mounted on the rack (101) and used for inputting the material loading box (102), outputting a qualified material box (109) and outputting a defective material box (110), and the automatic optical module testing system is controlled by the computer control module.
2. The optical module automatic test system of claim 1, wherein the optical module grabbing mechanism (104) comprises: the optical module detection device comprises a first XYZ three-axis linear motion module (41) and a first pneumatic clamping finger (42), wherein a power source of the first XYZ three-axis linear motion module (41) is three groups of servo motors and transmission is achieved through a screw rod slider structure, the first XYZ three-axis linear motion module (41) drives the first pneumatic clamping finger (42) to move along the X, Y, Z three-axis direction, and the first pneumatic clamping finger (42) is used for clamping an optical module to be detected.
3. The optical module automatic test system of claim 1, wherein the fiber gripping mechanism (106) comprises: the device comprises a second XYZ three-axis linear motion module (61) and a second pneumatic clamping finger (62), wherein the power source of the second XYZ three-axis linear motion module (61) is three groups of servo motors and transmission is realized through a screw rod slider structure, the second XYZ three-axis linear motion module (61) drives the second pneumatic clamping finger (62) to move along the X, Y, Z three-axis direction, and the second pneumatic clamping finger (62) is used for clamping a test optical fiber.
4. The optical module automatic test system of claim 1, wherein the fiber cleaning mechanism (107) comprises: wash case (71), first wiping tape reel (72), second wiping tape reel (73) and washing motor (74), first wiping tape reel (72) fixed mounting in wash case (71), second wiping tape reel (73) rotate install in wash case (71), the side of wasing case (71) is provided with the washing opening, be provided with clean wiping tape roll on first wiping tape reel (72), the both ends of wiping the area connect respectively in first wiping tape reel (72) and on second wiping tape reel (73), the face of wiping the area process of wiping be used for wasing the test fiber end face rather than the contact during washing opening, washing motor (74) install in wash the outside of case (71) and drive second wiping tape reel (73) rotate, second wiping tape reel (73) when rotating can progressively shift the wiping area on first wiping tape reel (72) to second wiping tape reel (73) transfer to the second A wiping tape reel (73).
5. The optical module automatic test system according to claim 1, wherein the optical fiber end face cleanliness detection mechanism (108) includes: the device comprises a shooting camera (81) and a lens cover (82), wherein the shooting camera (81) is installed on the rack (101), the lens cover (82) is arranged at one end, close to the shooting camera (81), of a lens, a socket for inserting a test optical fiber end part is formed in the lens cover (82), a clean standard picture of the test optical fiber end part surface is prestored in the computer control module, the shooting camera (81) transmits a shot detection picture of the test optical fiber end part surface to the computer control module, and the computer control module judges whether the cleanliness of the test optical fiber surface is qualified or not by comparing the standard picture with the detection picture.
6. The automatic optical module testing system according to claim 1, wherein the upper magazine (102), the qualified magazine (109), and the defective magazine (110) are all square structures, and grooves for clamping the optical modules are formed in multiple rows and multiple columns on the upper surface of the upper magazine (102), the qualified magazine (109), or the defective magazine (110), and the magazine conveying mechanism (103) comprises at least two slide rails (31) arranged at intervals, and the upper magazine (102), the qualified magazine (109), or the defective magazine (110) freely slides between the two slide rails (31) and is pushed by a reciprocating component to slide.
7. The optical module automatic test system according to claim 1, wherein a buckle adapted to be inserted into an optical module to be tested is disposed at an end of the test optical fiber, an auxiliary optical fiber pulling-out mechanism (111) is further disposed on the rack (101), the auxiliary optical fiber pulling-out mechanism (111) is disposed on one side of the module test board (105), and the auxiliary optical fiber pulling-out mechanism (111) is configured to automatically unlock the buckle after a test operation is completed and before the test optical fiber is pulled out.
8. The optical module automatic test system according to claim 7, characterized in that the auxiliary fiber pull-out mechanism (111) comprises: revolving cylinder (1111) and pressing portion (1112), revolving cylinder (1111) install in on frame (101), press portion (1112) to be located on the output part of revolving cylinder (1111), revolving cylinder (1111) drives press portion (1112) in order to press the unblock the buckle.
9. The optical module automatic test system according to claim 1, wherein the rack (101) is further provided with a calibration portion (112), the calibration portion (112) is provided with a calibration slot for calibrating a position of an optical module to be detected, and the optical module grabbing mechanism (104) first conveys the optical module to be detected to the calibration slot and then conveys the optical module to be detected to the module test board (105) for detection.
10. The optical module automatic test system according to claim 1, wherein the module test boards (105) are provided with four modules, wherein a group of the optical fiber cleaning mechanism (107) and the optical fiber end face cleanliness detection mechanism (108) are provided between two of the module test boards (105), a group of the optical fiber cleaning mechanism (107) and the optical fiber end face cleanliness detection mechanism (108) are provided between another two of the module test boards (105), two groups of the optical fiber grabbing mechanisms (106) are provided, and each group of the optical fiber grabbing mechanisms (106) works corresponding to two of the module test boards (105).
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