CN206470038U - A kind of test device of all-fiber current transformator reflectance of reflector stability - Google Patents
A kind of test device of all-fiber current transformator reflectance of reflector stability Download PDFInfo
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- CN206470038U CN206470038U CN201621256645.2U CN201621256645U CN206470038U CN 206470038 U CN206470038 U CN 206470038U CN 201621256645 U CN201621256645 U CN 201621256645U CN 206470038 U CN206470038 U CN 206470038U
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Abstract
The utility model discloses a kind of test device of all-fiber current transformator reflectance of reflector stability, test device includes SLD light sources driving instrument, SLD light sources, three end fiber optical circulators, high-low temperature test chamber, screening for sensor fibre speculum provides data supporting, it is prevented effectively from because sensor fibre mirror performance is not up to standard and causes making to finish the underproof problem of product quality, improves optical fiber current mutual inductor finished product rate.Utilize this covering device, it more can accurately determine the reflectivity stability parameter of all-fiber current transformator speculum, the stability parameter of reflectivity under complete warm environment, the problems such as influenceing the judgement to sensor fibre speculum stability can not be provided by solving the method for testing of current speculum manufacturer.
Description
Technical field
The utility model belongs to all-fiber current transformator device performance testing field, is related to a kind of full optical-fiber current mutual inductance
The test device of device reflectance of reflector stability.
Background technology
The fast development of intelligent substation, has promoted the development of the practical and commercialization of electronic mutual inductor.It is used as electricity
The all-fiber current transformator of one of type current transformer mainstream technology scheme is due to its small volume, lightweight, insulating properties
Excellent, anti-electromagnetic interference capability is strong, be easy to implement the series of advantages such as intellectuality, is widely used in power system
In.
According to all-fiber current transformator product technology scheme, the light that light source is sent passes through each optics twice before and after needing
Arrival photodetector, and the loss and the loss of each fusing point of optics in itself, cause the light intensity for eventually arriving at photodetector
It is weaker, to ensure measuring accuracy, it is ensured that the light intensity for reaching photodetector meets test needs, it is desirable to reflectance of reflector>
95%, do not influenceed by varying temperature environment.Therefore reflectance of reflector turns into the stability of complete warm environment (- 40~+70 DEG C)
Weigh the key parameter of mirror performance.
At present, sensor fibre reflectance of reflector stability numerical value is typically directly provided by plating speculum manufacturer, and it is tested
Method is indirectly testing method, i.e., plate anti-on glass (or other materials) simultaneously when carrying out sensor fibre end face plating speculum
Mirror is penetrated, the reflectivity of sensor fibre speculum is obtained by testing the reflectivity of glass upper reflector, this kind of method of testing is deposited
In uncertainty, it is impossible to provide the stability parameter of reflectivity under complete warm environment, influence to sensor fibre speculum reflecting properties
The judgement of stability.
Therefore, it is stability of the authentic testing sensor fibre reflectance of reflector under complete warm environment, filters out and meet complete
Optical fiber current mutual inductor makes the speculum needed, improves all-fiber current transformator finished product rate, designs a kind of sense light
The test device of fine reflectance of reflector stability is very necessary.
The content of the invention
In view of the above-mentioned problems, the utility model provides a kind of all-fiber current transformator reflectance of reflector stability
Test device, realizes direct measurement of the sensor fibre reflectance of reflector in the stability of complete warm environment (- 40~+70 DEG C), will
Its measurement result is used as the important criterion for screening speculum.
The utility model provide reflectance of reflector stability test device, including SLD light sources driving instrument, SLD light sources,
Three end fiber optical circulators and the high-low temperature test chamber that varying temperature environment is provided for accommodating sensor fibre speculum for it, wherein three
Hold the first end of fiber optical circulator, the second end respectively as input path input, output end, the of three end fiber optical circulators
Two ends, the 3rd end respectively as emitting light path input, output end；SLD light sources driving instrument is connected to SLD light source drive ends,
The first end tail optical fiber welding of SLD light sources tail optical fiber and three end fiber optical circulators, the second end tail optical fiber of three end fiber optical circulators with it is to be measured
Sensor fibre is free of one end tail optical fiber welding of speculum.
In the test device of the reflectance of reflector stability, SLD light sources driving instrument is used to produce high accuracy for SLD light sources
Adjustable driving current, drive current range be 0~150mA, constant current accuracy<0.1%, accuracy of temperature control<0.1℃.
In the test device of the reflectance of reflector stability, SLD light sources are used in test process provide stable light source
Output, centre wavelength 1310nm, rated current 100mA, power>1.5mW, power stability<0.5%.
In the test device of the reflectance of reflector stability, three end fiber optical circulators are used in test process according to test
Method realizes the directional transmissions of light beam, centre wavelength 1310nm, isolation >=40dB, insertion loss≤0.7dB.
In the test device of the reflectance of reflector stability, high-low temperature test chamber is used to carry for sensor fibre speculum
For -40~+70 DEG C of varying temperature environment.
Beneficial effect：The utility model realizes sensor fibre reflectance of reflector in complete warm environment (- 40~+70 DEG C)
The direct measurement of stability, using its measurement result as the important criterion of screening speculum, is prevented effectively from because sensor fibre is anti-
Penetrate mirror performance not up to standard and cause making to finish the underproof problem of product quality, improve optical fiber current mutual inductor finished product
Rate.
Brief description of the drawings
Accompanying drawing 1 is a kind of knot of the test device of all-fiber current transformator reflectance of reflector stability of the utility model
Composition；
1st, SLD light sources, 2, three end fiber optical circulators, 3, speculum, 4, SLD light sources driving instrument, 5, high-low temperature test chamber.
Embodiment
The utility model is related to a kind of test device of all-fiber current transformator reflectance of reflector stability, including
SLD light sources driving instrument 4, SLD light sources 1, three end fiber optical circulators 2 and provide change for accommodating sensor fibre speculum 3 for it
The high-low temperature test chamber 5 of warm environment, wherein the first end of three end fiber optical circulators 2, the second end are respectively as the defeated of input path
Enter end, output end, the second end of three end fiber optical circulators 2, the 3rd end respectively as emitting light path input, output end；SLD
Light source driving instrument 4 is connected to the drive end of SLD light sources 1, and the first end tail optical fiber of the tail optical fiber of SLD light sources 1 and three end fiber optical circulators 2 is molten
Connect, the second end tail optical fiber of three end fiber optical circulators 2 is free of one end tail optical fiber welding of speculum with sensor fibre to be measured.
The SLD light sources driving instrument 4 is used to produce high-precision adjustable driving current, driving current for SLD light sources 1
Scope is 0~150mA, constant current accuracy<0.1%, accuracy of temperature control<0.1℃.
The SLD light sources 1 are used in test process provide stable light source output, centre wavelength 1310nm, rated current
100mA, power>1.5mW, power stability<0.5%.
Three end fiber optical circulator 2 is used in test process the directional transmissions that light beam is realized according to method of testing, center
Wavelength 1310nm, isolation >=40dB, insertion loss≤0.7dB.
The high-low temperature test chamber 5 is used to provide -40~+70 DEG C of varying temperature environment for sensor fibre speculum 3.
Below in conjunction with the accompanying drawings, the embodiment of the utility model is illustrated：
First, SLD light sources driving instrument 4 is connected on SLD light sources 1, the tail optical fiber of SLD light sources 1 is inserted in naked fibre adapter,
By light power meter show value check SLD light sources 1 whether normal work；Fusing point B welding is completed by optical fiber splicer, to three
The second end tail optical fiber of fiber optical circulator 2 is held to carry out measuring light power, it is ensured that three end fiber optical circulators 2 are in normal operating conditions.
Next, completing fusing point C welding by optical fiber splicer, the 3rd end tail optical fiber of three end fiber optical circulators 2 is entered
Row measuring light power, records now optical power value.
Then, sensor fibre speculum 3 is positioned in high-low temperature test chamber 5, three end fiber optical circulators 2, SLD light sources 1
And SLD high-precision light sources driving instrument 4 is positioned over outside high-low temperature test chamber 5；The temperature of high-low temperature test chamber 5 is set at -40~+70 DEG C
In the range of change, change 1 DEG C per 3min, 2h be incubated respectively with+70 DEG C of two temperatures points at -40 DEG C, the record once light work(per 15min
Rate value.
After being completed, maximum luminous power and minimum optical power value are selected in the optical power value of record, formula meter is substituted into
Calculate the parameter for drawing and weighing sensor fibre reflectance of reflector stability.
Claims (5)
1. a kind of test device of all-fiber current transformator reflectance of reflector stability, it is characterised in that：Including SLD light sources
Drive instrument, SLD light sources, three end fiber optical circulators and the height that varying temperature environment is provided for accommodating sensor fibre speculum for it
Temperature test box, wherein the first end of three end fiber optical circulators, the second end respectively as input path input, output end, three
Hold the second end of fiber optical circulator, the 3rd end respectively as emitting light path input, output end；The driving instrument connection of SLD light sources
To SLD light source drive ends, the first end tail optical fiber welding of SLD light sources tail optical fiber and three end fiber optical circulators, three end fiber optical circulators
Second end tail optical fiber is free of one end tail optical fiber welding of speculum with sensor fibre to be measured.
2. a kind of test device of all-fiber current transformator reflectance of reflector stability according to claim 1, its
It is characterised by, the SLD light sources driving instrument drive current range is 0~150mA, constant current accuracy<0.1%, accuracy of temperature control<0.1
℃。
3. a kind of test device of all-fiber current transformator reflectance of reflector stability according to claim 1, its
It is characterised by, the SLD light source centers wavelength 1310nm, rated current 100mA, power>1.5mW, power stability<0.5%.
4. a kind of test device of all-fiber current transformator reflectance of reflector stability according to claim 1, its
It is characterised by, the three ends fiber optical circulator centre wavelength 1310nm, isolation >=40dB, insertion loss≤0.7dB.
5. a kind of test device of all-fiber current transformator reflectance of reflector stability according to claim 1, its
It is characterised by, the high-low temperature test chamber can provide -40~+70 DEG C of varying temperature environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621256645.2U CN206470038U (en) | 2016-11-22 | 2016-11-22 | A kind of test device of all-fiber current transformator reflectance of reflector stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621256645.2U CN206470038U (en) | 2016-11-22 | 2016-11-22 | A kind of test device of all-fiber current transformator reflectance of reflector stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206470038U true CN206470038U (en) | 2017-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621256645.2U Active CN206470038U (en) | 2016-11-22 | 2016-11-22 | A kind of test device of all-fiber current transformator reflectance of reflector stability |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404358A (en) * | 2016-11-22 | 2017-02-15 | 山东电力设备有限公司 | Test device and method for full-fiber current transformer mirror reflectance stability |
-
2016
- 2016-11-22 CN CN201621256645.2U patent/CN206470038U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404358A (en) * | 2016-11-22 | 2017-02-15 | 山东电力设备有限公司 | Test device and method for full-fiber current transformer mirror reflectance stability |
| CN106404358B (en) * | 2016-11-22 | 2019-02-22 | 山东电力设备有限公司 | A kind of test method of all-fiber current transformator reflectance of reflector stability |
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