CN209181997U - A kind of high/low temperature eye figure test device automatically switched for multichannel optical module - Google Patents
A kind of high/low temperature eye figure test device automatically switched for multichannel optical module Download PDFInfo
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- CN209181997U CN209181997U CN201822207413.3U CN201822207413U CN209181997U CN 209181997 U CN209181997 U CN 209181997U CN 201822207413 U CN201822207413 U CN 201822207413U CN 209181997 U CN209181997 U CN 209181997U
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Abstract
The utility model discloses a kind of high/low temperature eye figure test devices automatically switched for multichannel optical module, including oscillograph, photoswitch, electric switch, heat flow appearance, computer and test board, the utility model adopts the oscillograph for the built-in error instrument that computerizeds control, Multichannel photoswitch and multiple electric switch, optical module to be measured is placed on the dies holder to be measured of test board, test board is placed in heat flow appearance, photoswitch is controlled by computer and electric switch completes the switching of TCH test channel, it avoids manual plug switching channel or increases test equipment, it controls heat flow appearance and the test ring border that high/low temperature is surveyed is provided, the performance test in all channels is completed next time in high/low temperature condition, realize the eye figure test of multichannel optical module high/low temperature automation, quick and precisely with the switching of parallel optical module channel, plug number is few and the temperature switching waiting time is short, The advantages of testing efficiency is high and meets mass production.
Description
Technical field
The utility model relates to technical field of optical fiber communication, especially a kind of height automatically switched for multichannel optical module
Low temperature eye figure test device.
Background technique
In technical field of optical fiber communication, optical module will be more and more applied under adverse circumstances, high reliability is wanted
In the system asked, for the performance for ensuring optical module, before factory must signal integrity, reliability and stability to optical module into
Row test assessment, for key technical index: eye figure of especially starting, receiving end sensitivity need to carry out test in complete warm range and comment
Estimate.
As the transmission rate of optical module is higher and higher, in order to meet higher rate, smaller szie and more dense communication
Interconnection, parallel optical module, which accumulates, educates and gives birth to, and the port number of parallel optical module is more and more, also proposed more to the test of optical module
High requirement, the single channel plug test device of the prior art can be only done the test of optical module one-channel signal quality, existing
Problem is that the test or constantly manual replacement channel completion test or the test that is multiplied for multichannel optical module are set
It is standby, test is adopted this method, not only often, and in the high and low temperature test, manual plug switching channel is difficult for plug, it is necessary to
It is switched to room temperature repeatedly, does not only result in that the testing time is long, and optical module is easy to damage in this way, and production efficiency is low, failure risk increases.
The prior art also has the device that multiple single channel transceiver modules are carried out with concurrent testing, the problem is that, it cannot
Automation switch test is carried out to each channel performance of multichannel optical module, carries out automatic channel when cannot be to the high and low temperature test
Switching.
Utility model content
One kind that the purpose of this utility model is in view of the deficiencies of the prior art and provides is automatic for multichannel optical module
The high/low temperature eye figure test device of switching, the utility model adopts the oscillograph for the built-in error instrument that computerizeds control, multichannel light is opened
It closes, multiple electric switch, optical module to be measured is mounted on the dies holder to be measured of test board, test board is placed in heat flow appearance,
Photoswitch is controlled by computer and electric switch completes the switching of TCH test channel, avoids manual plug switching channel or increases test
Equipment, control heat flow appearance provide the test ring border that high/low temperature is surveyed, complete the performance test in all channels next time in high/low temperature condition,
The eye figure test for realizing the automation of multichannel optical module high/low temperature, has the switching of parallel optical module channel quick and precisely, plug time
The advantages of number is few and the temperature switching waiting time is short, and testing efficiency is high and meets mass production.
Technical scheme of realizing the purpose of the utility model is that
A kind of high/low temperature eye figure test device automatically switched for multichannel optical module, feature includes oscillograph, light
Switch, electric switch, heat flow appearance, computer and test board；
The oscillograph is built-in to be equipped with Error Detector, oscillograph be equipped with PPG+ interface, PPG- interface, oscillograph optical interface and
Computer interface；
The photoswitch is equipped with the road a Ge Zong interface, several multiple branch interfaces and USB interface；
The electric switch is equipped with positive an electric switch, a cathode electric switch, leads on positive electric switch multiple
Positive branch and an anode total road interface lead to multiple cathode branches and the total road interface of a cathode on cathode electric switch,
USB interface is equipped on positive electric switch and cathode electric switch；
The test board is equipped with several TX+ electrical interfaces, several TX- electrical interfaces and dies holder to be measured, on dies holder to be measured
Equipped with several optical-path interfaces.
The computer is equipped with several communication interfaces, and computer connects through the computer interface of communication interface and oscillograph
It connects, connect with the USB interface of photoswitch, connect with the USB interface of electric switch；
The total road interface of anode of the anode electric switch and the PPG+ interface of oscillograph connect, and the cathode of cathode electric switch is total
The connection of the PPG- interface of road interface and oscillograph, multiple positive branches of positive electric switch successively with several TX+ on test board
Electrical interface is correspondingly connected with, and multiple cathode branches of cathode electric switch are successively correspondingly connected with several TX- electrical interfaces on test board；
Total road interface of the photoswitch and the oscillograph optical interface optical cable of oscillograph connect, and several branches of photoswitch connect
Mouth successively optical cable connection corresponding with several optical-path interfaces of dies holder to be measured on test board；
The test board is placed in heat flow appearance.
Multiple positive branches of the positive electric switch are respectively designated as CH1+~CHN+, and the total road interface of anode is denoted as
IN+, multiple cathode branches of cathode electric switch are respectively designated as CH1-~CHN-, and the total road interface of cathode is denoted as IN-.
Several multiple branch interfaces of the photoswitch are respectively designated as CH1~CHN.
The utility model adopts oscillograph, Multichannel photoswitch, the multiple electric switch for the built-in error instrument that computerizeds control, will be to
It surveys optical module to be mounted on the dies holder to be measured of test board, test board is placed in heat flow appearance, light is controlled by computer and is opened
The switching for completing TCH test channel with electric switch is closed, manual plug switching channel is avoided or increases test equipment, control heat flow appearance mentions
For the test ring border that high/low temperature is surveyed, the performance test in all channels is completed next time in high/low temperature condition, realizes multichannel optical module
The eye figure test that high/low temperature automates, has the switching of parallel optical module channel quick and precisely, and plug number is few and temperature switches etc.
It is short to the time, the advantages of testing efficiency is high and meets mass production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
Refering to fig. 1, the utility model includes oscillograph 1, photoswitch 2, electric switch 3, heat flow appearance 4, computer 5 and test board
6。
Refering to fig. 1, the oscillograph 1 is built-in is equipped with Error Detector, oscillograph 1 be equipped with PPG+ interface 11, PPG- interface 14,
Oscillograph optical interface 12 and computer interface 13；
The photoswitch 2 is equipped with the road a Ge Zong interface 21, several multiple branch interfaces 22 and USB interface；
The electric switch 3 is equipped with 31, cathode electric switches 32 of a positive electric switch, draws on positive electric switch 31
There are multiple positive branches 311 and the total road interface 312 of an anode, leads to multiple 321 Hes of cathode branch on cathode electric switch 32
The total road interface 322 of one cathode is equipped with USB interface on positive electric switch 31 and cathode electric switch 32；
The test board 6 is equipped with several TX+ electrical interfaces 61, several TX- electrical interfaces 62 and dies holder to be measured 63, mould to be measured
Panel seat 63 is equipped with several optical-path interfaces.
Refering to fig. 1, the computer 5 is equipped with several communication interfaces, meter of the computer 5 through communication interface Yu oscillograph 1
The connection of calculation machine interface 13 connect with the USB interface of photoswitch 2, connect with the USB interface of electric switch 3.
Refering to fig. 1, the total road interface 312 of anode of the positive electric switch 31 is connect with the PPG+ interface 11 of oscillograph 1, is born
The total road interface 322 of the cathode of pole electric switch 32 is connect with the PPG- interface 14 of oscillograph 1, multiple anodes point of positive electric switch 31
Road 311 is successively correspondingly connected with several TX+ electrical interfaces (61) on test board 6, multiple cathode branches 321 of cathode electric switch 32
Successively it is correspondingly connected with several TX- electrical interfaces 62 on test board 6.
Refering to fig. 1, total road interface 21 of the photoswitch 2 is connect with 12 optical cable of oscillograph optical interface of oscillograph 1, and light is opened
Close the 2 successively optical cable connection corresponding with several optical-path interfaces of dies holder 63 to be measured on test board 6 of several multiple branch interfaces 22.
Refering to fig. 1, the test board 6 is placed in heat flow appearance 4.
Refering to fig. 1, multiple positive branches 311 of the positive electric switch 31 are respectively designated as CH1+~CHN+, anode
Total road interface 312 is denoted as IN+, and multiple cathode branches 321 of cathode electric switch are respectively designated as CH1-~CHN-, the total road of cathode
Interface 322 is denoted as IN-.
Refering to fig. 1, several multiple branch interfaces 22 of the photoswitch 2 are respectively designated as CH1~CHN.
The utility model works in this way:
The oscillograph 1 of the utility model is used to emit the digital signal of the certain pattern of given pace, by electric switch 3 by this
It tests in signal loading to each optical channel of optical module to be measured；Optical module to be measured is mounted on the power supply panel seat 63 of test board 6,
Its optical port is connected through optical patchcord with several multiple branch interfaces 22 of photoswitch 2, and it is different to switch optical module to be measured by photoswitch 2
The output optical signal in channel and detection, finally total road interface 21 through photoswitch 2 is transmitted to the oscillograph optical interface of oscillograph 1
12, the power and light eye figure of the optical signal in a certain channel of optical module to be measured are tested, completes to survey by photoswitch 2 and electric switch 3
The switching pinged realizes that the multichannel of parallel optical module automatically switches test.The high and low temperature test environment is provided by heat flow appearance,
Complete the automation eye figure test of product high/low temperature.
Specific testing procedure is as follows:
Module to be measured is installed on the dies holder to be measured 63 of test board by step 1, the optical port of module and photoswitch 2 it is more
A multiple branch interface 21 is put into heat flow appearance 4 by switching wire jumper connection, entire module and evaluation board to be measured.
The test temperature of heat flow appearance 4 is arranged in step 2.
Step 3, inputs product type to be measured, sequence number, test specification on computer 5, starting computer 5 execute from
Dynamic test.
Step 4, computer 5 issue the channel CH1 and the positive branch of electric switch 3 of 2 multiple branch interface 22 of instruction unpack photoswitch
311 channel CH1+ and the channel CH1- of cathode branch 321, in this way, digital electric signal to be measured just pass through electric switch 3 be loaded into
Survey on the channel CH1 of optical module, by photoswitch 2 by the first passage optical signal of optical module to be measured export on oscillograph 1 accidentally
The optical port of code instrument.
Step 5, computer 5 grab optical power and light eye figure at this time, and pass through internal calibrations and calculate, and save test knot
Fruit, the channel CH1 originator eye figure are completed.
Step 6, computer 5 control photoswitch 3 and electric switch 3, successively switching channel, repeat step 4 and step 5, directly
It is finished to N number of lane testing.
Step 7, change heat flow appearance 4 on test temperature, after temperature reaches test request, re-execute the steps three to
Step 6 completes high/low temperature automation originator eye figure test.
What is automatically grabbed due to computer is oscillograph interface signal power and eye figure, and not module output
Therefore signal power in order to guarantee the accuracy of test data, needs to calibrate entire link before test, to deduct
Centre loss.
The utility model the used time 2 seconds, completes the automatic of channel by the instruction of computer 5 control photoswitch 2 and electric switch 3
Switching, once completes the concurrent testing in multiple channels, and compared with manual plug switching, switching efficiency is greatly improved.
The utility model need to only execute a heating and cooling to the full temperature test process of optical module, repeatedly rise with traditional needs
Cooling or multiple plug cable are compared with the process of optical fiber, and satisfaction tests the optical module of multichannel parallel, to high/low temperature
Automatic channel switching is carried out, testing efficiency greatly promotes.
Claims (3)
1. a kind of high/low temperature eye figure test device automatically switched for multichannel optical module, which is characterized in that it includes oscillography
Device (1), photoswitch (2), electric switch (3), heat flow appearance (4), computer (5) and test board (6)；
The oscillograph (1) is built-in to be equipped with Error Detector, and oscillograph (1) is equipped with PPG+ interface (11), PPG- interface (14), oscillography
Device optical interface (12) and computer interface (13)；
The photoswitch (2) is equipped with the road a Ge Zong interface (21), several multiple branch interfaces (22) and USB interface；
The electric switch (3) is equipped with positive electric switch (31), a cathode electric switch (32), on positive electric switch (31)
It leads to multiple positive branches (311) and the total road interface (312) of an anode, cathode electric switch leads to multiple cathode on (32)
Branch (321) and the total road interface (322) of a cathode are equipped with USB on positive electric switch (31) and cathode electric switch (32) and connect
Mouthful；
The test board (6) is equipped with several TX+ electrical interfaces (61), several TX- electrical interfaces (62) and dies holder to be measured (63), to
It surveys dies holder (63) and is equipped with several optical-path interfaces；
The computer (5) is equipped with several communication interfaces, and computer (5) connects through communication interface and the computer of oscillograph (1)
Mouth (13) connection connect with the USB interface of photoswitch (2), connect with the USB interface of electric switch (3)；
The total road interface (312) of the anode of the anode electric switch (31) is connect with the PPG+ interface (11) of oscillograph (1), negative electricity
Switch (32) the total road interface (322) of cathode connect with the PPG- interface (14) of oscillograph (1), positive electric switch (31) it is multiple
Positive branch (311) is successively correspondingly connected with several TX+ electrical interfaces (61) on test board (6), cathode electric switch (32) it is more
A cathode branch (321) is successively correspondingly connected with several TX- electrical interfaces (62) on test board (6)；
Total road interface (21) of the photoswitch (2) connect with oscillograph optical interface (12) optical cable of oscillograph (1), photoswitch
(2) successively optical cable corresponding with several optical-path interfaces of dies holder (63) to be measured on test board (6) connects several multiple branch interfaces (22)
It connects；
The test board (6) is placed in heat flow appearance (4).
2. a kind of high/low temperature eye figure test device automatically switched for multichannel optical module according to claim 1,
It is characterized in that, multiple positive branches (311) of the anode electric switch (31) are respectively designated as CH1+~CHN+, and the total road of anode connects
Mouth (312) is denoted as IN+, and multiple cathode branches (321) of cathode electric switch are respectively designated as CH1-~CHN-, and the total road of cathode connects
Mouth (322) is denoted as IN-.
3. a kind of high/low temperature eye figure test device automatically switched for multichannel optical module according to claim 1,
It is characterized in that, several multiple branch interfaces (22) of the photoswitch (2) are respectively designated as CH1~CHN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822207413.3U CN209181997U (en) | 2018-12-27 | 2018-12-27 | A kind of high/low temperature eye figure test device automatically switched for multichannel optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822207413.3U CN209181997U (en) | 2018-12-27 | 2018-12-27 | A kind of high/low temperature eye figure test device automatically switched for multichannel optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209181997U true CN209181997U (en) | 2019-07-30 |
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ID=67377873
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822207413.3U Active CN209181997U (en) | 2018-12-27 | 2018-12-27 | A kind of high/low temperature eye figure test device automatically switched for multichannel optical module |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111722655A (en) * | 2020-08-04 | 2020-09-29 | 国家电网有限公司信息通信分公司 | Optical module debugging and testing system, optical module debugging and testing method and upper computer |
| CN113063977A (en) * | 2021-03-19 | 2021-07-02 | 合肥京东方显示技术有限公司 | Simulation test method, simulation test device and computer readable storage medium |
| CN114113852A (en) * | 2021-11-25 | 2022-03-01 | 太仓市同维电子有限公司 | Test method and system for verifying whether optical port AC coupling capacitor is out of piece or not |
| CN114383809A (en) * | 2020-10-21 | 2022-04-22 | 苏州旭创科技有限公司 | Optical module high-low temperature environment test device and system |
| CN116203288A (en) * | 2023-02-13 | 2023-06-02 | 成都光创联科技有限公司 | Testing device and testing method for static performance of optical device |
-
2018
- 2018-12-27 CN CN201822207413.3U patent/CN209181997U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111722655A (en) * | 2020-08-04 | 2020-09-29 | 国家电网有限公司信息通信分公司 | Optical module debugging and testing system, optical module debugging and testing method and upper computer |
| CN111722655B (en) * | 2020-08-04 | 2022-02-25 | 国家电网有限公司信息通信分公司 | Optical module debugging and testing system, optical module debugging and testing method and upper computer |
| CN114383809A (en) * | 2020-10-21 | 2022-04-22 | 苏州旭创科技有限公司 | Optical module high-low temperature environment test device and system |
| CN114383809B (en) * | 2020-10-21 | 2024-02-23 | 苏州旭创科技有限公司 | Optical module high-low temperature environment test device and system |
| CN113063977A (en) * | 2021-03-19 | 2021-07-02 | 合肥京东方显示技术有限公司 | Simulation test method, simulation test device and computer readable storage medium |
| CN113063977B (en) * | 2021-03-19 | 2023-09-29 | 合肥京东方显示技术有限公司 | Simulation test method, simulation test device and computer-readable storage medium |
| CN114113852A (en) * | 2021-11-25 | 2022-03-01 | 太仓市同维电子有限公司 | Test method and system for verifying whether optical port AC coupling capacitor is out of piece or not |
| CN116203288A (en) * | 2023-02-13 | 2023-06-02 | 成都光创联科技有限公司 | Testing device and testing method for static performance of optical device |
| CN116203288B (en) * | 2023-02-13 | 2024-01-12 | 成都光创联科技有限公司 | Testing device and testing method for static performance of optical device |
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