CN203632674U - Portable optical fiber auxiliary testing box - Google Patents
Portable optical fiber auxiliary testing box Download PDFInfo
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- CN203632674U CN203632674U CN201320809072.1U CN201320809072U CN203632674U CN 203632674 U CN203632674 U CN 203632674U CN 201320809072 U CN201320809072 U CN 201320809072U CN 203632674 U CN203632674 U CN 203632674U
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- 238000012360 testing method Methods 0.000 title claims abstract description 102
- 239000013307 optical fiber Substances 0.000 title claims abstract description 19
- 230000003287 optical effect Effects 0.000 claims abstract description 52
- 239000000835 fiber Substances 0.000 abstract description 3
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
Provided is a portable optical fiber auxiliary testing box which comprises a testing box body in which a 1*4 optical switch, a variable optical attenuator, and a 1*2 optical switch are connected in series. A light source passes through an input port and the variable optical attenuator with a liquid crystal display screen. Then, the attenuation value of the light source is adjusted by using an attenuation adjusting knob and finally the light source is connected with an active optical testing instrument via an output port. The portable optical fiber auxiliary testing box embodies multiple passive testing precision devices in common use, intensifies conventional testing wires, achieves integration of polytype fiber test connecting lines, controls and manages an optical channel, has variable attenuation adjusting effects on optical signals with four wavelengths, and is capable of displaying an absolute attenuation value and a relative attenuation value. The portable optical fiber auxiliary testing box not only optimizes a testing port, but is also easy to carry, and is a multifunctional integrated optical fiber auxiliary testing box ensuring smooth completeness of optical parameter testing.
Description
Technical field
The utility model relates to a kind of portable fiber-optic subtest box, is applicable to the laser on-line testing field of Communication ray transmission of digital system (PDH, SDH) and employing analog-modulated (CATV) system.
Background technology
Optical fiber communication equipment has become the topmost transmission equipment of power communication system, the basis that the correct stable transmission of light signal is communications network security operation, and test optical fiber is to check whether the various parameters of light signal meet the important means of index request.
But in actual test process, there is following several problem:
1, communication equipment optical module has three kinds (FC, SC, LC) at present; for meeting the test of dissimilar optical module; operating personnel often need to carry different conversion adapters or have respectively the p-wire of three kinds of dissimilar connectors just can complete test job; increase the complexity of work operations, also reduced operating efficiency;
2, for processing optical module power overload problem, operating personnel need to be installed fixed light attenuator additional to meet the index request of collection of letters luminous power.The general use of the judgement of attenuation numerical value repeatedly changed to the fixed loss device that installs different numerical value additional, device contacts end face clean-up performance is declined, then artificially increased attenuation, cause test data inaccurate; For processing optical module power overload problem, the general use of the judgement of attenuation numerical value repeatedly changed to the fixed loss device that installs different numerical value additional, to meet the index request of collection of letters luminous power.The complexity that has increased operation, has extended the communication work time.
3, test is used light connector, adapter head protector easily come off, lose, and cause end face dirt, wearing and tearing etc., cause test number to have deviation.
4, connector, the adapter of test use generally carry, leave in tool box or tool belt, are easily squeezed, friction and such environmental effects etc. cause device failure or damage, can cause test number to have deviation when use; P-wire generally also carries, leaves in tool box or tool belt, easily causes that bending radius is too small, extruding, damaged etc. cause fibre core damage or damage, and causes test number inaccurate in test.
Summary of the invention
For solving the problems of the technologies described above, the utility model aim to provide a kind of can realize test optical fiber connector integrated, can control the portable fiber-optic subtest box that attenuated optical signal amount changes within the specific limits, improve the accuracy of test number, improve the quick judgement of light attenuation value, thereby reduce the communication maintainer complexity of working, improved staff's operating efficiency.
For achieving the above object, the utility model has adopted following technical scheme:
Portable fiber-optic subtest box, comprises testing cassete body, series connection one 1X4 light device, a variable optical attenuator and the 1X2 light device that opens the light that opens the light in testing cassete body;
Testing cassete body one side is provided with input port, input port comprises FC type test connector, SC type test connector and the LC type test connector for connecting light source, described FC type test connector, SC type test connector and LC type test connector are connected with CPU and variable optical attenuator by the 1X4 light device that opens the light, and select by the input channel selection key of box surface, show when prepass situation by LED display lamp; Testing cassete body another side is provided with output port, output port is provided with the FC type test connector and the FC connector that connect active optical tester device, described FC type test connector and FC connector are connected with CPU and variable optical attenuator by the 1X2 light device that opens the light, and select by the output channel selection key of box surface, show when prepass situation by LED display lamp;
Light source, by input port, through the variable optical attenuator with LCDs, regulates pad value by Attenuation adjustable knob, connects active optical tester device through output port.
During as preferred concrete enforcement, input port and the output port of described testing cassete body side are provided with over cap outward.
During as preferred concrete enforcement, described test optical fiber connecting line coiling is stored and is sealed in testing cassete body.
During as preferred concrete enforcement, described variable optical attenuator for adding a gradual change type 1 ~ 60 dB optical attenuation sheet in the middle of two collimaters.
During as preferred concrete enforcement, the wavelength 1310/1490/1550/1625nm of described variable optical attenuator; Fixed attenuation value is 2.5dB; Attenuation range is 2.5 ~ 60 dB.
Beneficial effect:
1, it contains multiple conventional passive light test accurate device, strengthening traditional test line, realize polytypic test optical fiber connecting line integrated, control and management optical channel, has variable attenuation regulatory function to four kinds of wavelength light signals, and can show its absolute attenuation value and relative attenuation value.Not only optimize test port, and easy to carry, be the multifunctional all optical fiber subtest box of guaranteeing that optical parameter test job completes smoothly.Operating personnel, without the p-wire and the conversion adapter that carry multiple connector, has realized test optical fiber connector integrated, has reduced the communication maintainer complexity of working, and improves staff's operating efficiency.
2, process in the communication work of luminous power overload, install suitable fixed light attenuator additional and reduced operating personnel's number of operations, also make device contacts end face keep clean, improved the accuracy of test data; Testing cassete uses the variable light attenuator with liquid crystal display, can judge quickly and easily the attenuation value that meets luminous power index request.
3, testing cassete is all installed over cap at input and output port, the test connector, the adapter that make to be enclosed in testing cassete do not have dirt, wearing and tearing, be not subject to such environmental effects, keep good clean surface state, in use can therefore not cause data to have deviation yet; Because test drum is contained in the testing cassete of sealing, deposit, carry Shi Buhui and cause distortion, extruding or wearing and tearing, guarantee the accuracy of test data.
4, can utilize variable light decay to complete multinomial equipment performance debugging work.(as: error monitoring, the test of collection of letters luminous sensitivity etc.); In the time processing luminous power overload fault, operating personnel does not carry in the situation of fixing light decay or the discontented foot requirement of fixing light decay, and the Optical attenuator that can temporarily fix uses, and completes the processing of power overload fault.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is left view of the present utility model.
Fig. 3 is control and management schematic diagram of the present utility model.
Fig. 4 is light path principle schematic diagram of the present utility model.
In figure: testing cassete body 1,1X4 light open the light device 2, variable optical attenuator 3,1X2 light open the light device 4, FC type test connector 5, SC type test connector 6, LC type test connector 7, CPU8, input channel selection key 9, LED display lamp 10, FC type test connector 11, FC connector 12, output channel selection key 13, LED display lamp 14, LCDs 15, Attenuation adjustable knob 16, over cap 17.
Embodiment
Referring to Fig. 1, Fig. 2.The portable fiber-optic subtest box of the present embodiment, comprises testing cassete body 1, series connection one 1X4 light device 2, a variable optical attenuator 3 and the 1X2 light device 4 that opens the light that opens the light in testing cassete body;
Testing cassete body 1 one sides are provided with input port, input port comprises FC type test connector 5, SC type test connector 6 and the LC type test connector 7 for connecting light source, described FC type test connector 5, SC type test connector 6 and LC type test connector 7 are connected with CPU8 and variable optical attenuator 3 by the 1X4 light device 2 that opens the light, and select by the input channel selection key 9 of box surface, show when prepass situation by LED display lamp 10; Testing cassete body 1 another side is provided with output port, output port is provided with the FC type test connector 11 and the FC connector 12 that connect active optical tester device, described FC type test connector 11 and FC connector 12 are connected with CPU8 and variable optical attenuator 3 by the 1X2 light device 4 that opens the light, and select by the output channel selection key 13 of box surface, show when prepass situation by LED display lamp 14; Described FC type test connector 5, SC type test connector 6 and the adaptive optical module connector of LC type test connector 7, operating personnel, without the test optical fiber connecting line and the conversion adapter that carry multiple connector, just can complete test job.Described FC connector can extend p-wire, is convenient to Distance Test work.
Light source, by input port, through the variable optical attenuator 3 with LCDs 15, regulates pad value by Attenuation adjustable knob 16, connects active optical tester device through output port.
During as preferred concrete enforcement, described test optical fiber connecting line coiling is stored and is sealed in testing cassete body 1.Realize the sealing completely that test optical fiber connecting line carries and stores, avoided the damage of test optical fiber connecting line, improved the accuracy of test number.
During as preferred concrete enforcement, input port and the output port of described testing cassete body 1 side are provided with over cap 17 outward.
During as preferred concrete enforcement, described variable optical attenuator for adding a gradual change type 1 ~ 60 dB optical attenuation sheet in the middle of two collimaters.Position by mobile attenuator regulates attenuation.By the position of record move attenuator, the attenuation calculating is shown simultaneously.
During as preferred concrete enforcement, the wavelength 1310/1490/1550/1625nm of described variable optical attenuator; Fixed attenuation value is 2.5dB; Attenuation range is 2.5 ~ 60 dB.
The utility model light path realizes principle:
See Fig. 4, the test optical fiber connecting line of portable fiber-optic subtest box input described in the utility model, output port all uses armouring p-wire (coiling fine length 40-60cm), input port armouring p-wire one side configuration FC, LC, SC type connector, the actual use 1 × 3 of opposite side respectively with 1 × 4() light switch provides San road optical channel to be connected, and junction is used directly molten mode of heart yearn.The light signal of output is connected with 1 × 2 light switch by variable optical attenuator, and 1 × 2 light switch is at output port configuration FC type connector (coiling fine length 40-60cm) and FC connector.Between test optical fiber connecting line, connector and 1X 4 and 1X2 light switch, between the common port of optical switch and the input/output terminal of attenuator, all adopt fibre core directly molten, so just formed 3 and entered 2 and go out or 2 enter 3 and go out optical channel.
The utility model control and management operation principle:
See Fig. 3, the utility model CPU uses a STM8S103K3TBC single-chip microcomputer, utilizes I/O pin by control circuit control and drives each components and parts, comprises and controls button, LED lamp, light switch.Whether have action by the continuous test button of interrupt routine, when button actions after, trigger interrupt routine, enter interrupt routine.In interrupt routine, first judge current channel selecting situation, and then carry out next step operation, such as current 1X2 optical switch one side, passage has been selected P1, select, after button, first to judge that present status is P1, is then switched to the program of P2 when pressing 1X2 optical switch.1X4 optical switch is also in like manner.In the time being switched to corresponding passage, LED lamp on the other side also can light simultaneously, and the channel LED lantern festival of not choosing is extinguished.Circuit can be by the battery power of at least one 7.4V/750mAh.
Claims (5)
1. a portable fiber-optic subtest box, comprises testing cassete body (1), it is characterized in that: series connection one 1X4 light device (2), a variable optical attenuator (3) and the 1X2 light device (4) that opens the light that opens the light in testing cassete body;
Testing cassete body (1) one side is provided with input port, input port comprises FC type test connector (5), SC type test connector (6) and the LC type test connector (7) for connecting light source, described FC type test connector (5), SC type test connector (6) and LC type are tested connector (7) by 1X4 light open the light device (2) and CPU(8) and variable optical attenuator (3) be connected, and select by the input channel selection key (9) of box surface, show when prepass situation by LED display lamp (10); Testing cassete body (1) another side is provided with output port, output port is provided with the FC type test connector (11) and the FC connector (12) that connect active optical tester device, described FC type test connector (11) and FC connector (12) are by 1X2 light open the light device (4) and CPU(8) and variable optical attenuator (3) be connected, and select by the output channel selection key (13) of box surface, show when prepass situation by LED display lamp (14);
Light source, by input port, through the variable optical attenuator (3) of band LCDs (15), regulates pad value by Attenuation adjustable knob (16), connects active optical tester device through output port.
2. portable fiber-optic subtest box as claimed in claim 1, is characterized in that: input port and the output port of described testing cassete body (1) side are provided with over cap (17) outward.
3. portable fiber-optic subtest box as claimed in claim 1, is characterized in that: described test optical fiber connecting line coiling is stored and is sealed in testing cassete body (1).
4. the portable fiber-optic subtest box as described in claim 1 or 2 or 3, is characterized in that: described variable optical attenuator (3) for adding a gradual change type 1 ~ 60 dB optical attenuation sheet in the middle of two collimaters.
5. portable fiber-optic subtest box as claimed in claim 4, is characterized in that: the wavelength of described variable optical attenuator (3) is 1310/1490/1550/1625nm; Fixed attenuation value is 2.5dB; Attenuation range is 2.5 ~ 60 dB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320809072.1U CN203632674U (en) | 2013-12-11 | 2013-12-11 | Portable optical fiber auxiliary testing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320809072.1U CN203632674U (en) | 2013-12-11 | 2013-12-11 | Portable optical fiber auxiliary testing box |
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| Publication Number | Publication Date |
|---|---|
| CN203632674U true CN203632674U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320809072.1U Expired - Fee Related CN203632674U (en) | 2013-12-11 | 2013-12-11 | Portable optical fiber auxiliary testing box |
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| CN (1) | CN203632674U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322999A (en) * | 2015-10-14 | 2016-02-10 | 浙江华鑫实业有限公司 | Structure of test detection box |
| CN109309527A (en) * | 2018-11-23 | 2019-02-05 | 国家电网有限公司 | Optical power measuring device |
-
2013
- 2013-12-11 CN CN201320809072.1U patent/CN203632674U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322999A (en) * | 2015-10-14 | 2016-02-10 | 浙江华鑫实业有限公司 | Structure of test detection box |
| CN105322999B (en) * | 2015-10-14 | 2018-01-30 | 浙江华鑫实业有限公司 | The structure of testing inspection box |
| CN109309527A (en) * | 2018-11-23 | 2019-02-05 | 国家电网有限公司 | Optical power measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20211211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |