CN110556694B - Optical fiber amplifier - Google Patents
Optical fiber amplifier Download PDFInfo
- Publication number
- CN110556694B CN110556694B CN201910913379.8A CN201910913379A CN110556694B CN 110556694 B CN110556694 B CN 110556694B CN 201910913379 A CN201910913379 A CN 201910913379A CN 110556694 B CN110556694 B CN 110556694B
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- block
- basic block
- clamping groove
- clamping
- groove plate
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 29
- 239000004033 plastic Substances 0.000 claims abstract description 30
- 229920003023 plastic Polymers 0.000 claims abstract description 30
- 238000003780 insertion Methods 0.000 claims description 19
- 230000037431 insertion Effects 0.000 claims description 19
- 239000000835 fiber Substances 0.000 claims 4
- 230000000694 effects Effects 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 11
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 238000009713 electroplating Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06704—Housings; Packages
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses an optical fiber amplifier, which relates to the technical field of optical fiber sensors, and the technical scheme is characterized by comprising an outer shell with an opening at the upper end, a clamping groove plate inserted and fixed in the outer shell, and a circuit board fixed on the clamping groove plate; the front end of the clamping groove plate is provided with a clamping assembly, and the clamping assembly comprises a first basic block and a second basic block which are detachably connected; the electronic component is mounted on the first basic block, the first basic block comprises a first plastic carrier and an electroplated layer which is electroplated on the first plastic carrier, an optical fiber jack is formed in the electroplated layer, the second basic block is a second plastic carrier, a plastic bracket is integrally formed on the second plastic carrier, and a clamping handle is rotationally connected to the plastic bracket.
Description
Technical Field
The invention relates to the technical field of optical fiber type sensors, in particular to an optical fiber amplifier.
Background
The optical fiber amplifier is a novel all-optical amplifier capable of amplifying signals and can be generally divided into three types of relay amplification, pre-amplification and power amplification according to the position and the action of the all-optical amplifier in an optical fiber circuit. The optical fiber can directly amplify the signal in all light, has good transparency, and is particularly suitable for relay amplification of long-distance optical communication.
In the prior art, patent document CN100401328C discloses an optical fiber type photoelectric sensor comprising a case main body having an opening in the upper surface, a main body member inserted into the case main body and closing the opening of the case main body, and a clamp member (latch mechanism) held in a clamp holding portion provided in the front portion of the case main body. The clamping assembly comprises a basic block, a lower side optical fiber clamp, an upper side optical fiber clamp, a clamping handle and a sliding actuator; the base block is provided with four optical fiber jacks, two groups of which comprise one for light projection and one for light reception. There are also some on the market, which are provided with only two optical fiber insertion holes, one for light projection and one for light reception, for example, patent document of application publication No. CN103620716a, which discloses a sensor device provided with a main body portion and a pair of optical fibers mounted on the front surface of the main body portion, one for light projection and the other for light reception, the two optical fibers being respectively inserted into two insertion holes of the front surface of the main body portion. The clamping assembly is clamped and fixed or loosened on the optical fiber by rotating the clamping handle.
The base block comprises an electroplating piece positioned at the front end, and the electroplating piece is arranged in the optical fiber jack to be smoother and smoother, so that optical signals can be conveniently transmitted. However, the whole front end is an electroplated part, and the rotating connecting part (the bracket 310L in the patent document with the grant publication number of CN 100401328C) of the clamp handle and the basic block is also an electroplated part, so that the production cost of the electroplated part is high, and the process difficulty is relatively high. This results in the following disadvantages: 1. the use of the entire electroplated part can lead to increased production costs and production processes; 2. when the pins of the electronic component on the base block are soldered to the internal circuit board, the electronic component is damaged by soldering, and the entire base block (including the plated parts fixed on the base block) needs to be replaced, which results in waste and needs to be improved.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the optical fiber amplifier which has the effects of reducing the production cost and the production process difficulty.
In order to achieve the above purpose, the present invention provides the following technical solutions: an optical fiber amplifier comprises an outer shell with an opening at the upper end, a clamping groove plate inserted and fixed in the outer shell, and a circuit board fixed on the clamping groove plate; the front end of the clamping groove plate is provided with a clamping assembly, and the clamping assembly comprises a first basic block and a second basic block which are detachably connected; the electronic component is installed on the first basic block, the first basic block comprises a first plastic carrier and an electroplated layer which is electroplated on the first plastic carrier, an optical fiber jack is formed in the electroplated layer, the second basic block is a second plastic carrier, a plastic bracket is integrally formed on the second plastic carrier, and a clamping handle is rotationally connected to the plastic bracket.
By adopting the technical scheme, the arrangement of the electroplated layer still meets the requirement of optical signal transmission, and on the basis, a part of structures are replaced by a first basic block, and the first basic block is a first plastic carrier, so that the effect of reducing the cost is achieved; the first basic block and the second basic block can be detachably connected, the length of the first basic block and the length of the second basic block can be adjusted according to requirements, and the first basic block and the second basic block can be combined to form the same or similar structure and can be installed on clamping groove plates of different specifications, so that the novel combined type clamp is suitable for products without models. And the second basic block is integrally formed in a full plastic mode, electroplating is not needed, the production cost is further reduced, and the effect of reducing the cost is achieved. It should be mentioned that the electronic component is only arranged on the first basic block, and when the electronic component on the first basic block, the first basic block or the pins of the electronic component are damaged due to improper welding and processing, only the first basic block needs to be replaced, so that the effects of reducing waste and production cost are achieved.
The invention is further provided with: the second basic block is provided with a T-shaped insertion block, and the first basic block is provided with a T-shaped insertion groove for the T-shaped insertion block to insert.
Through adopting above-mentioned technical scheme, with T type inserted block male T type insertion groove, can realize the connection of first basic piece and second basic piece, have the effect of easy to assemble, still play the effect of stable first basic piece and second basic piece.
The invention is further provided with: the clamping groove plate is provided with a first positioning hole, the first basic block is provided with a first limiting hole corresponding to the first positioning hole, and the first positioning hole and the first limiting hole are fixed with the clamping groove plate through screws.
Through adopting above-mentioned technical scheme, have the effect of strengthening the connection stability of draw-in groove board and first basic piece.
The invention is further provided with: the first foundation block is provided with an extension part, when the first foundation block is inserted into the clamping groove plate, the rear end of the extension part is contacted with the front end of the clamping groove plate, and the first positioning hole is aligned with the first limiting hole.
Through adopting above-mentioned technical scheme, as long as install first basic piece to the draw-in groove board on, until extension rear end and draw-in groove board contact, first locating hole and first spacing hole alright align, have the effect of making things convenient for the screw fixation.
The invention is further provided with: the circuit board is fixedly connected with a connecting part, an elastic back-off is integrally formed on the connecting part, and a buckling groove for clamping the elastic back-off is formed in the first foundation block.
Through adopting above-mentioned technical scheme, elasticity back-off has certain deformability, when installing the draw-in groove board with first basic piece on, the catching groove on the first basic piece is gone into to elasticity back-off card on the draw-in groove board, realizes preliminary joint fixedly, and the screwed connection of draw-in groove board and first basic piece is fixed of being convenient for.
The invention is further provided with: the clamping groove plate is provided with a second positioning hole, the second basic block is provided with a second limiting hole corresponding to the second positioning hole, and the second positioning hole and the second limiting hole are fixed with the clamping groove plate through screws.
Through adopting above-mentioned technical scheme, the draw-in groove board passes through screw connection with the second basic piece fixedly for draw-in groove board is more stable with the second basic piece.
The invention is further provided with: pins of the electronic element on the first basic block are coupled with the circuit board, and a yielding groove for the pins of the electronic element to pass through is formed on the second basic block.
By adopting the technical scheme, the structure has the effect of saving materials, and is more reasonable.
The invention is further provided with: and the second basic block is provided with a saving hole communicated with the abdication groove.
By adopting the technical scheme, the heat-dissipating plate has the function of saving materials and also has a certain heat-dissipating effect.
In summary, the invention has the following beneficial effects:
1. The first foundation block and the second foundation block are connected with the clamping groove plate through screws, and the first foundation block and the second foundation block are matched with the T-shaped insertion block and the T-shaped insertion groove to play a role in strengthening structural stability;
2. When installing first basic piece to the draw-in groove board, first basic piece and draw-in groove board joint, and the rear end and the draw-in groove board contact of the extension on the first basic piece all play the effect of the alignment of first locating hole and first spacing hole, the screw connection of the later stage of first basic piece and draw-in groove board of being convenient for is fixed.
Drawings
FIG. 1 is an exploded view of the overall structure of the first embodiment;
FIG. 2 is a schematic diagram of a partial structure explosion of the first embodiment;
FIG. 3 is a schematic view showing a partial structure of a relief groove in the first embodiment;
Fig. 4 is a schematic diagram of the structures of the first base block, the second base block, and the clamp lever in the second embodiment.
Reference numerals: 1. an outer housing; 2. a slot plate; 3. a circuit board; 4. a clamping assembly; 5. a clamp handle; 6. a first base block; 7. a second base block; 8. a first plastic carrier; 9. plating layers; 10. an optical fiber jack; 11. a plastic bracket; 12. a rotation shaft hole; 13. a T-shaped insert block; 14. a T-shaped insertion groove; 15. a first positioning hole; 16. a first limiting hole; 17. a second positioning hole; 18. a second limiting hole; 19. an extension; 20. a connection part; 21. elastic back-off; 22. a buckling groove; 23. a relief groove; 24. saving holes.
Detailed Description
The invention is further described with reference to the accompanying drawings.
Embodiment one:
As shown in fig. 1, an optical fiber amplifier includes an outer case 1 having an upper end opening, a card slot plate 2 inserted and fixed in the outer case 1, and a circuit board 3 fixed on the card slot plate 2. The front end of the clamping groove plate 2 is provided with a clamping assembly 4 for inserting and fixing an optical fiber.
As shown in fig. 1 and 2, the clamping assembly 4 comprises a first base block 6, a second base block 7 and a clamping handle 5 which are detachably connected, wherein the first base block 6 comprises a first plastic carrier 8 and a plating layer 9 electroplated on the first plastic carrier 8, and two optical fiber jacks 10 are formed on the plating layer 9. The second basic piece 7 is the second plastics carrier, and the one end integrated into one piece that keeps away from first basic piece 6 on the second basic piece 7 has plastics bracket 11, has the pivot hole 12 on the plastics bracket 11, and plastics bracket 11 realizes rotating with clamp handle 5 through the pivot and is connected. It should be mentioned that the arrangement of the electroplated layer 9 still meets the requirements of optical signal propagation, and on the basis of this, part of the structure is replaced by the first plastic carrier 8, which has the effect of reducing the cost.
As shown in fig. 1 and 2, the second base block 7 is integrally formed with a T-shaped insertion block 13, the first base block 6 is provided with a T-shaped insertion slot 14 into which the T-shaped insertion block 13 is inserted, the opening of the T-shaped insertion slot 14 faces the front end of the first base block 6, and the T-shaped insertion block 13 on the second base block 7 is inserted into the T-shaped insertion slot 14 from front to back, so that the connection between the first base block 6 and the second base block 7 is realized, the sliding direction of the first base block 6 and the second base block 7 is limited by the T-shaped arrangement, and the effect of stabilizing the first base block 6 and the second base block 7 is achieved to a certain extent. The electronic element is mounted on the first basic block 6, the pins of the electronic element are welded with the circuit board 3, and when the electronic element on the first basic block 6, the first basic block 6 or the pins of the electronic element are damaged due to improper welding and processing, only the first basic block 6 needs to be replaced, so that the effects of reducing waste and production cost are achieved.
As shown in fig. 1 and 2, the clamping groove plate 2 is provided with a first positioning hole 15, the first base block 6 is provided with a first limiting hole 16 corresponding to the first positioning hole 15, and the first positioning hole 15 and the first limiting hole 16 are fixed with the clamping groove plate 2 by setting screws, so that the clamping groove plate 2 and the first base block 6 are stably connected. The clamping groove plate 2 is provided with a second positioning hole 17, the second foundation block 7 is provided with a second limiting hole 18 corresponding to the second positioning hole 17, and the second positioning hole 17 and the second limiting hole 18 are fixed with the clamping groove plate 2 by setting screws, so that the clamping groove plate 2 and the second foundation block 7 are more stable after being installed.
As shown in fig. 2, an extension portion 19 is integrally formed at an end of the first base block 6 far from the second base block 7, when the first base block 6 is completely inserted into the slot plate 2, the rear end of the extension portion 19 contacts with the front end of the slot plate 2, and the first positioning hole 15 is aligned with the first limiting hole 16. Fixedly connected with connecting portion 20 on the circuit board 3, integrated into one piece has a plurality of elasticity back-off 21 on the connecting portion 20, opens on the first basic piece 6 and has the catching groove 22 that sets up and supply elasticity back-off 21 card to go into with elasticity back-off 21 one-to-one, and elasticity back-off 21 has certain deformability, and when installing first basic piece 6 on the draw-in groove board 2, the catching groove 22 on the first basic piece 6 is gone into to elasticity back-off 21 card on the draw-in groove board 2, realizes that first basic piece 6 is fixed with the preliminary joint of draw-in groove board 2. It should be mentioned that the provision of the extension 19 allows the assembler to press the first basic block 6 into the clamping groove plate 2 with confidence until the resilient back-off 21 snaps into the clamping groove 22. The first positioning hole 15 is aligned with the first limiting hole 16, and the first base block 6 and the clamping groove plate 2 are in preliminary clamping connection and fixing, so that the clamping groove plate 2 and the first base block 6 are in screw connection and fixing.
As shown in fig. 2 and 3, the second base block 7 is provided with a yielding groove 23 for the pins of the electronic component on the first base block 6 to pass through, and the second base block 7 is provided with a saving hole 24 communicated with the yielding groove 23, so that the material is saved, and a certain heat dissipation effect is achieved.
The specific effects are as follows:
the second basic block 7 is formed by integrally molding all plastic, and compared with the original arrangement of all electroplated parts, the second basic block has the effects of reducing the production cost and reducing the production process difficulty. The first foundation block 6 and the second foundation block 7 are detachably connected, and when the first foundation block 6 is damaged due to welding or other reasons, only the first foundation block 6 needs to be replaced, so that the effect of reducing production cost is achieved.
Embodiment two:
As shown in fig. 4, the difference from the first embodiment is that the length ratio of the first base block 6 to the second base block 7 is different, and four optical fiber insertion holes 10 are formed in the plating layer 9 on the first base block 6, so that the two sets of light emission and light reception are arranged, and the two base blocks are suitable for products of different types.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present invention should be included in the scope of the present invention.
Claims (5)
1. An optical fiber amplifier comprises an outer shell (1) with an opening at the upper end, a clamping groove plate (2) inserted and fixed in the outer shell (1), and a circuit board (3) fixed on the clamping groove plate (2); the front end of draw-in groove board (2) is provided with clamping component (4), characterized by: the clamping assembly (4) comprises a first base block (6) and a second base block (7) which are detachably connected; an electronic element is arranged on the first basic block (6), the first basic block (6) comprises a first plastic carrier (8) and an electroplated layer (9) electroplated on the first plastic carrier (8), an optical fiber jack (10) is arranged on the electroplated layer (9), the second basic block (7) is a second plastic carrier, a plastic bracket (11) is integrally formed on the second plastic carrier, and a clamping handle (5) is rotationally connected on the plastic bracket (11); the second basic block (7) is provided with a T-shaped insertion block (13), and the first basic block (6) is provided with a T-shaped insertion groove (14) for inserting the T-shaped insertion block (13); the clamping groove plate (2) is provided with a first positioning hole (15), the first base block (6) is provided with a first limiting hole (16) corresponding to the first positioning hole (15), and the first positioning hole (15) and the first limiting hole (16) are fixed with the clamping groove plate (2) through screws; the circuit board (3) is fixedly connected with a connecting part (20), an elastic back-off (21) is integrally formed on the connecting part (20), and a buckling groove (22) for clamping the elastic back-off (21) is formed in the first base block (6).
2. A fiber amplifier according to claim 1, characterized in that: the first foundation block (6) is provided with an extension part (19), when the first foundation block (6) is inserted into the clamping groove plate (2), the rear end of the extension part (19) is in contact with the front end of the clamping groove plate (2), and the first positioning hole (15) is aligned with the first limiting hole (16).
3. A fiber amplifier according to claim 1, characterized in that: the clamping groove plate (2) is provided with a second positioning hole (17), the second base block (7) is provided with a second limiting hole (18) corresponding to the second positioning hole (17), and the second positioning hole (17) and the second limiting hole (18) are fixed with the clamping groove plate (2) through screws.
4. A fiber amplifier according to claim 3, wherein: the pins of the electronic element on the first basic block (6) are coupled with the circuit board (3), and the second basic block (7) is provided with a yielding groove (23) for the pins of the electronic element to pass through.
5. A fiber amplifier according to claim 4, wherein: the second basic block (7) is provided with a saving hole (24) communicated with the abdication groove (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910913379.8A CN110556694B (en) | 2019-09-25 | 2019-09-25 | Optical fiber amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910913379.8A CN110556694B (en) | 2019-09-25 | 2019-09-25 | Optical fiber amplifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110556694A CN110556694A (en) | 2019-12-10 |
| CN110556694B true CN110556694B (en) | 2024-05-14 |
Family
ID=68741431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910913379.8A Active CN110556694B (en) | 2019-09-25 | 2019-09-25 | Optical fiber amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110556694B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0726803U (en) * | 1993-10-15 | 1995-05-19 | 山武ハネウエル株式会社 | Cable retainer |
| JP2001155598A (en) * | 1999-11-30 | 2001-06-08 | Omron Corp | Optical fiber photoelectric sensor |
| JP2001155599A (en) * | 1999-11-30 | 2001-06-08 | Omron Corp | Optical fiber photoelectric sensor |
| JP2003035838A (en) * | 2001-07-23 | 2003-02-07 | Yamatake Corp | Fiber connector for photoelectric sensor |
| JP2003222757A (en) * | 2002-01-29 | 2003-08-08 | Omron Corp | Fiber fixing structure |
| JP2004320767A (en) * | 2002-10-31 | 2004-11-11 | Omron Corp | Photoelectric fiber sensor |
| JP2009033764A (en) * | 2002-10-31 | 2009-02-12 | Omron Corp | Fiber-type photoelectric sensor |
| JP2012078530A (en) * | 2010-09-30 | 2012-04-19 | Panasonic Electric Works Sunx Co Ltd | Clamp device |
| CN207379512U (en) * | 2017-08-30 | 2018-05-18 | 东莞市胜科电气有限公司 | The explicit fibre optical sensor of even numbers |
| CN109560801A (en) * | 2017-09-27 | 2019-04-02 | 株式会社基恩士 | Fibre optical sensor, light optical fiber and pervasion component |
| JP2019061886A (en) * | 2017-09-27 | 2019-04-18 | 株式会社キーエンス | Photoelectric switch and sensor unit |
| CN110174734A (en) * | 2019-05-07 | 2019-08-27 | 上海索迪龙自动化有限公司 | Optical fiber amplifying device |
| CN210430408U (en) * | 2019-09-25 | 2020-04-28 | 上海长江电气设备集团有限公司 | Optical fiber amplifier |
-
2019
- 2019-09-25 CN CN201910913379.8A patent/CN110556694B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0726803U (en) * | 1993-10-15 | 1995-05-19 | 山武ハネウエル株式会社 | Cable retainer |
| JP2001155598A (en) * | 1999-11-30 | 2001-06-08 | Omron Corp | Optical fiber photoelectric sensor |
| JP2001155599A (en) * | 1999-11-30 | 2001-06-08 | Omron Corp | Optical fiber photoelectric sensor |
| JP2003035838A (en) * | 2001-07-23 | 2003-02-07 | Yamatake Corp | Fiber connector for photoelectric sensor |
| JP2003222757A (en) * | 2002-01-29 | 2003-08-08 | Omron Corp | Fiber fixing structure |
| JP2004320767A (en) * | 2002-10-31 | 2004-11-11 | Omron Corp | Photoelectric fiber sensor |
| JP2009033764A (en) * | 2002-10-31 | 2009-02-12 | Omron Corp | Fiber-type photoelectric sensor |
| JP2012078530A (en) * | 2010-09-30 | 2012-04-19 | Panasonic Electric Works Sunx Co Ltd | Clamp device |
| CN207379512U (en) * | 2017-08-30 | 2018-05-18 | 东莞市胜科电气有限公司 | The explicit fibre optical sensor of even numbers |
| CN109560801A (en) * | 2017-09-27 | 2019-04-02 | 株式会社基恩士 | Fibre optical sensor, light optical fiber and pervasion component |
| JP2019061886A (en) * | 2017-09-27 | 2019-04-18 | 株式会社キーエンス | Photoelectric switch and sensor unit |
| CN110174734A (en) * | 2019-05-07 | 2019-08-27 | 上海索迪龙自动化有限公司 | Optical fiber amplifying device |
| CN210430408U (en) * | 2019-09-25 | 2020-04-28 | 上海长江电气设备集团有限公司 | Optical fiber amplifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110556694A (en) | 2019-12-10 |
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