CN205879497U - Automatic detection apparatus for light source - Google Patents
Automatic detection apparatus for light source Download PDFInfo
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- CN205879497U CN205879497U CN201620882342.5U CN201620882342U CN205879497U CN 205879497 U CN205879497 U CN 205879497U CN 201620882342 U CN201620882342 U CN 201620882342U CN 205879497 U CN205879497 U CN 205879497U
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- light source
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Abstract
The utility model provides an automatic detection apparatus for light source, including light source drive module, the light source module that awaits measuring, data acquisition module, light power measurement module, computer, temperature control box, the light source module that awaits measuring places in the temperature control box, has thermistor in the light source module that awaits measuring certainly, thermistor, data acquisition module, computer connect gradually, and light source drive module, the light source module that awaits measuring, light power measurement module, computer connect gradually. The utility model discloses an automated inspection of light source detects in the light source screening and uses manpower sparingly greatly and the time, improves detection efficiency, avoids the mistake in the manual operation. The utility model discloses degree of automation is high, possess wide application prospect in the aspect of the light -source detection measurement.
Description
Technical field
This utility model is a kind of light source automatic detection device, and the PC end belonging to light source detection controls platform.
Background technology
Light source is a kind of metrical instrument used in Modern optical communication.It is widely used in scientific research, produce, the portion such as metering
Door.In light source total temperature range detection, set relevant temperature by incubator, after temperature stabilization, after 10min, test luminous power, light
Source total temperature range detection needs to test at multiple temperature spots, and homoiothermic and insulation are the longest, when taking coroner
Between long.It addition, " optical transport stabilized light source " vertification regulation JJG958 2000 of country's formulation specifies the inspection to light source
Determine project and be mainly the degree of stability of output, including short time (15 minutes) and long-time (5 hours) two Stability indexes.
The standard measuring optical transport stabilized light source output power stability is etalon optical power measurement module.Short time degree of stability is wanted
Ask the performance number of the light source that reading etalon optical power measurement module records 10 times at least 15 minutes, can be every 1.5 minutes
Read performance number data, then calculate output short time degree of stability by the fixing formula that code is listed.This inspection
The method of light-metering source output power stability requires that verification worker is monitored at least 15 minutes on etalon optical power measurement module side, needs
To record a performance number every 1.5 minutes, to be then calculated output short time degree of stability.Verification worker needs in standard
Measuring light power module monitors at least 5 hours, and need to record a performance number every 30 minutes, then calculate long-time steady
Fixed degree.This method takies the overlong time of coroner equally.
Utility model content
In order to improve, testing efficiency in existing light source measurement is low, the problem of human users's time length, propose a kind of light source from
Motion detection device.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: the automatic detection device of a kind of light source,
Mould is controlled including light source driver module, light source module to be measured, data acquisition module, measuring light power module, computer, temperature
Block, light source module to be measured is placed in temperature control modules, and light source module to be measured is built-in with critesistor, described critesistor, number
Being sequentially connected with according to acquisition module, computer, light source driver module, light source module to be measured, measuring light power module, computer are successively
Connect.
In this utility model, while temperature monitoring, optical power value is detected, therefore can be automatically obtained light source
Total temperature range detection and output power stability detection, it is to avoid error in manual operation and the most artificial survey
Amount.In this utility model, form light source driver module, light source module to be measured, the test access of measuring light power module, and shape
Become the communication path of measuring light power module and computer.Meanwhile, the test of critesistor, data acquisition module is defined
Path, and define the test access of data acquisition module, computer.By arranging temperature control modules, it is possible to achieve Quan Wen
The regulation of temperature in the range of degree.Wherein, temperature control modules can use temperature control box.
Light source driver module provides for light source module to be measured and drives electric current, and measuring light power module detects light source module to be measured
Optical power value, and to optical power value is sent computer, the temperature value of sensing is converted to the signal of telecommunication, data acquisition by critesistor
Collection module gathers the described signal of telecommunication, converts electrical signals to digital value, calculates the temperature value that the signal of telecommunication is corresponding, and will be calculated
Temperature value send computer to.
The tail optical fiber of SLD light source connects with fiber adapter, then fiber adapter is accessed selected measuring light power mould
Block 2 passage, forms light source driver module to light source to the test access of measuring light power module.
Further, described light source module module to be measured is SLD light source module.
Further, also include that GPIB cable, described measuring light power module are provided with gpib interface, measuring light power mould
Block is connected with computer by GPIB cable.By the gpib interface of measuring light power module is connected with computer, pass through
Computer can realize on measuring light power module faceplate several functions arrange, and measuring light power module is recorded various
Information is timely fed back to computer, and computer can call analysis software and process it, finally can get measurement result.
Further, described data acquisition module is provided with communication interface, and data acquisition module is by described communication interface
It is connected with computer.
Further, described data acquisition module is single-chip microcomputer or DSP.
Further, light source module to be measured is provided with heat dissipation base further below.By being provided below at light source module to be measured
Heat dissipation base, can effectively realize heat sinking function, it is ensured that light source module to be measured will not damage because temperature is too high.
Further, described computer is connected with light source driver module.By computer is connected with light source driver module,
Make computer control light source driver module and export adjustable driving electric current.For different driving electric currents, light source module to be measured
The luminous power that corresponding output is different.Thus can realize being automatically adjusted of luminous power, it is achieved automatically detect.
Compared with prior art, the beneficial effects of the utility model are: this utility model achieves the automatic inspection to light source
Survey, light source selective mechanisms is greatly saved manpower and time, in the case of especially a large amount of light sources need detection, not only carries
High detection efficiency, avoids the mistake in manual operation simultaneously.This utility model automaticity is high, measures in light source detection
Aspect is gathered around and is had broad application prospects.Light source detection device provided by the utility model, utilizes active computer resource, carries out
Data acquisition, real-time Communication for Power, automatically control, thus be greatly improved the efficiency of detection light source.
Accompanying drawing explanation
Fig. 1 is light source automatic detection device schematic diagram of the present utility model；
In figure, 1, light source driver module, 2, light source module to be measured, 3, data acquisition module, 4, measuring light power module, 5,
Computer, 6, temperature control modules
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.
This light source detection device includes: SLD light source input drive the light source driver module 1 of electric current, light source module to be measured 2,
Data acquisition module 3, measuring light power module 4, computer 5, temperature control modules 6.Temperature control modules 6 uses temperature control box.
Wherein, light source module 2 to be measured uses SLD light source.
Light source driver module 1 is connected with SLD light source, and light source driver module 1 can export adjustable driving electric current.For not
Same driving electric current, light source module 2 to be measured exports different luminous powers.
SLD light source drives the fixed light source driver module 1 of one end selecting of line, another termination SLD light source both sides pin, SLD
The tail optical fiber of light source connects with fiber adapter, then fiber adapter is accessed selected measuring light power module 2 passage, is formed
Light source driver module 1 is to light source module 2 to be measured to the test access of measuring light power module 4.
The joints of optical fibre are to carry out the device that detachable (movable) is connected between optical fiber with optical fiber, and it is the two of optical fiber
The docking of end face precision is got up, so that the light energy of launching fiber output can be coupled to receive in optical fiber to greatest extent, and makes
The impact getting involved optical link due to it and cause system is minimized, and this is the basic demand of the joints of optical fibre.In certain journey
On degree, the joints of optical fibre also have impact on reliability and the properties of optical transmission system.
The utility model proposes the thermo-sensitive resistor resistance carried by SLD light source by homemade data acquisition module 3 turns
Change digital signal into and be sent to computer 5, so can realize light source internal ambient temperature is monitored, it is achieved at light source
During full temperature, the automatic of temperature is detected, it addition, the measuring light power module 4 of detection light source power carries GPIB mouth, pass through
Gpib interface and computer 5 connect through software programming and realize the data acquisition to measuring light power module 4, panel control, number
According to resolving, it is not necessary to reviewer is for testing the light source power of certain temperature spot and the moment observes Temperature of Warm Case.
Light source module 2 to be measured is connected with heat dissipation base, and light source module 2 to be measured carries thermo-sensitive resistor, the resistance of thermo-sensitive resistor
Can change with the variations in temperature of light source module 2 internal medium to be measured, can be by gathering thermo-sensitive resistor resistance and by its turn
It is melted into corresponding temperature value, it is achieved for the detection of the interior ambient temperature of light source module 2 to be measured.
Data acquisition module 3 is connected with light source module 2 to be measured and computer 5, and data acquisition module 3 has analog digital conversion merit
Can, the resistance value of the thermo-sensitive resistor of light source can be changed into the signal of telecommunication, and sent to computer by RS-422 communication interface, real
Now to the real-time monitoring of ambient temperature in light source.In computer 5, close according to temperature in thermo-sensitive resistor is corresponding with the signal of telecommunication
System, is converted into corresponding temperature value by value of electrical signals.
Measuring light power module 4 carries gpib interface, configures corresponding GPIB card to computer 5, computer 5 installs
GPIB card driver with card configuration.It is connected by GPIB cable between computer 5 with measuring light power module 4, will calculate
Machine 5 communicates as between controlled plant and controller as controller, measuring light power module 4, and controller can manage
The communication of GPIB, finds this etalon optical power to measure by the address identical with the GPIB address that measuring light power module 4 sets
Module 4, so that after system is run by suitable order, computer controls the panel of measuring light power module 4 by GPIB mouth, real
The Real-time Collection of existing optical power value.
Fig. 1 is light source automatic detection device theory diagram, and wherein SLD light source is connected with heat dissipation base；SLD light source drives line
The fixed light source driver module 1 of one end selecting, another termination SLD light source both sides pin, SLD light source tail optical fiber is joined with fiber adapter
Connecing, the most just fiber adapter accesses the passage of selected measuring light power module 4, forms light source driver module 1 to be measured
Light source module 2 is to the test access of measuring light power module 4；The gpib interface of measuring light power module 4 is by GPIB cable even
It is connected on the corresponding GPIB board of computer 5, forms the communication path of measuring light power module 4 and computer 5, complete luminous power and survey
The physical connection communicated between amount module 4 and computer 5；SLD light source critesistor pin is connected with data acquisition module 3, number
Using data acquisition box according to acquisition module 3, data acquisition box DB9 communication interface is connected with computer 5, forms light source module to be measured
2 with the communication path of computer 5.
Embodiment 1: the output power stability detection of light source
The output power stability detection of light source includes short time (15 minutes) and long-time (5 hours) stable output power
Degree detection.
On the other hand, detection light source output power degree of stability uses measuring light power module 4, this measuring light power mould
Block 4 main frame can realize the slot of communication, the gpib interface of measuring light power module 4 and computer 5 by GPIB card and computer 5
In the interconnection of gpib interface plate, several functions on the panel to measuring light power module 4 can be realized by computer 5 and arrange,
And various information measuring light power module 4 recorded are timely fed back to computer 5, computer 5 recalls analysis software to it
Process, finally can get measurement result.
Therefore while temperature monitoring, can be controlled automatically to gather measuring light power by gpib interface by computer 5
The performance number of module 4.This GPIB card can be realized being connected with computer 5 by USB port, utilizes special acquisition instructions just can gather power
Value.Realize automatically gathering, need to automatically be sent acquisition instructions by coding and gather optical power value, and performance number is deposited automatically
Store up in text.
Through detail programming revise, after have detected several optical transport stabilized light sources, demonstrate this software feasible reliably.
Experiments verify that, during one light source module to be measured of detection, utilize this utility model can realize automatically detecting, calibrating
Member can leave and do other work, improves work efficiency.
Embodiment 2: the total temperature range detection of light source
Computer 5 is connected with temperature control modules 6, utilizes computer 5 to monitor ambient temperature in light source module 2 to be measured, if
Put temperature control modules 6 rate temperature change and range of temperature, in the range of total temperature, change temperature, meanwhile, each
Temperature value, utilizes critesistor that the temperature value of sensing is converted to the signal of telecommunication, and data acquisition module 3 gathers the described signal of telecommunication, will
The signal of telecommunication is converted to digital value, calculates the temperature value that the signal of telecommunication is corresponding, and sends calculated temperature value to computer.By
This achieves the total temperature range detection of light source.
It is designed according to technical solutions of the utility model and experimental verification.During light source total temperature range detection,
Light source module 2 to be measured is put into temperature control modules 6, by data acquisition module 3, the simulation of the resistance value of thermo-sensitive resistor is believed
Number be converted to digital signal, sent to computer 5 by RS-422 interface, it is possible to achieve temperature during light source total temperature range detection
Degree monitoring.
Above embodiment of the present utility model has been described in detail, but described content be only of the present utility model preferably
Embodiment, it is impossible to be considered for limiting practical range of the present utility model.All impartial changes made according to this utility model scope
Change and improvement etc., within all should still belonging to this patent covering scope.
Claims (7)
1. the automatic detection device of a light source, it is characterised in that: include light source driver module (1), light source module to be measured (2),
Data acquisition module (3), measuring light power module (4), computer (5), temperature control modules (6), light source module to be measured (2) is put
In temperature control modules (6), light source module to be measured (2) is built-in with critesistor, described critesistor, data acquisition module
(3), computer (5) be sequentially connected with, light source driver module (1), light source module to be measured (2), measuring light power module (4), calculate
Machine (5) is sequentially connected with.
The automatic detection device of light source the most according to claim 1, it is characterised in that: described light source module to be measured (2) is
SLD light source module.
The automatic detection device of light source the most according to claim 1, it is characterised in that: also include GPIB cable, described light
Power measurement module (4) is provided with gpib interface, and measuring light power module (4) is connected with computer (5) by GPIB cable.
The automatic detection device of light source the most according to claim 1, it is characterised in that: described data acquisition module (3) sets
Being equipped with communication interface, data acquisition module (3) is connected with computer (5) by described communication interface.
The automatic detection device of light source the most according to claim 1, it is characterised in that: described data acquisition module (3) is
Single-chip microcomputer or DSP.
The automatic detection device of light source the most according to claim 1, it is characterised in that: light source module to be measured (2) is further below
It is provided with heat dissipation base.
The automatic detection device of light source the most according to claim 1, it is characterised in that: described computer (5) drives with light source
Dynamic model block (1) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620882342.5U CN205879497U (en) | 2016-08-12 | 2016-08-12 | Automatic detection apparatus for light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620882342.5U CN205879497U (en) | 2016-08-12 | 2016-08-12 | Automatic detection apparatus for light source |
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| Publication Number | Publication Date |
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| CN205879497U true CN205879497U (en) | 2017-01-11 |
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| CN201620882342.5U Active CN205879497U (en) | 2016-08-12 | 2016-08-12 | Automatic detection apparatus for light source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470384A (en) * | 2019-06-25 | 2019-11-19 | 盐城华昱光电技术有限公司 | A kind of luminescent detection system and detection method of linear light sorurce |
-
2016
- 2016-08-12 CN CN201620882342.5U patent/CN205879497U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470384A (en) * | 2019-06-25 | 2019-11-19 | 盐城华昱光电技术有限公司 | A kind of luminescent detection system and detection method of linear light sorurce |
| CN110470384B (en) * | 2019-06-25 | 2021-09-14 | 人民百业科技有限公司 | Light emitting detection system and detection method of linear light source |
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