CN201955102U - Novel site adjustable optical fiber sensing device - Google Patents
Novel site adjustable optical fiber sensing device Download PDFInfo
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- CN201955102U CN201955102U CN2010206589746U CN201020658974U CN201955102U CN 201955102 U CN201955102 U CN 201955102U CN 2010206589746 U CN2010206589746 U CN 2010206589746U CN 201020658974 U CN201020658974 U CN 201020658974U CN 201955102 U CN201955102 U CN 201955102U
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Abstract
The utility model discloses a novel site adjustable optical fiber sensing device, which comprises a casing, a curve-type bracket mounted in the casing, as well as an optical fiber connector I and an optical fiber connector II which are arranged on the left side outside the casing, wherein a wedged block I is arranged in the casing; a return spring is arranged between the upper end of the wedged block I and the inner wall of the casing; a wedged block II in sliding fit with the wedged block I is arranged at the lower end of the wedged block I; an adjusting screw rod is mounted on the right side of the casing; a plurality of deformation teeth I and a plurality of deformation teeth II are arranged on two opposite surfaces on the inner side of the curve-type bracket respectively; each head of the deformation teeth I and each head of the deformation teeth II form a curve passage for allowing two signal optical fibers to pass through, one of the signal optical fibers is a calibrating signal optical fiber, while the other one is a signal optical fiber I; and two ends of each calibrating signal optical fiber are connected with the optical fiber connector I and the optical fiber connector II respectively. The novel site adjustable optical fiber sensing device is realized by adopting a structure of parallel double signal optical fibers and through the combined adjustment of the adjusting screw rod and the two wedged blocks, as a result the novel site adjustable optical fiber sensing device can further realize the site inclined adjustment and calibration.
Description
Technical field
A kind of fibre-optical sensing device of the utility model especially relates to a kind of novel on-the-spot scalable fibre-optical sensing device.
Background technology
The connecting line of traditional electric signal sensing device continues fairly simple, just can make the termination of two connecting lines be fixed in one by simple crimping and finish connection, its connection with disconnect after the work that is connected again relatively simple; And the connection of two optical fiber is just much more difficult; telecommunication optical fiber covering external diameter commonly used is 125 microns; the fibre core of single-mode fiber only has the 8-9 micron; when continuing, require the deviation of fibre core to be not more than 1 micron; this needs special heat sealing machine ability complete connection; and the dish that needs the protection of heat-shrinkable T bush and extreme care is fine and fixing, fiber number need more for a long time to double careful and meticulous.
The optical fiber micro-bending sensing device is structure one of the simplest fibre-optical sensing device, it is with combination just can constitute a distributed or quasi-distributed optical fiber sensor-based system as the optical time domain reflectometer (OTDR) of pick-up unit, use for guaranteeing the stable, reliable of Fibre Optical Sensor unit, usually with signal optical fibre in the fibre-optical sensing device and fixedly welding of Transmission Fibers, thus make by the existing connection that disconnects sensing device carry out that the detection calibration cost of Field adjustment is higher, complicated operation and consume many times.On the other hand, the optical fiber micro-bending sensing device is had relatively high expectations to assembly precision, perhaps be that calibration is qualified when dispatching from the factory, but behind the use scene, or through long-distance transportation, and after installing, because temperature, vibration, multiple factor affecting such as housing distortion and have to and to adjust once more and to calibrate, the possibility that this situation occurs after installation can be bigger, sensing device in the distributed or quasi-distributed optical fiber sensing system may be distributed in hundreds of rice, in the scope of several kilometers or even tens of kilometers, if adjust at the scene, and certainly will need to drop into more manpower and materials in the machine room monitoring of being separated by very far away, link up also relatively more difficult, particularly in the open air under the situation, some area even be not moved signal and cover, this has all caused its efficient very low, yet along with increasing and the expansion of monitoring range of distributed or accurate compartment system, this phenomenon also can increase, so needing does not a kind ofly need to disconnect fibre-optical sensing device and just is connected under the situation scene with Transmission Fibers and just can regulates, the fibre-optical sensing device of test and calibration is to improve the maintainability based on the distributed of little curved principle or quasi-distributed optical fiber sensor-based system.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of novel on-the-spot scalable fibre-optical sensing device is provided, it adopts the structure of parallel dual signal optical fiber to realize, and cooperate adjustment screw rod and two wedges to regulate, have simple in structure, reasonable in design, cost is low and use-pattern is flexible, result of use is good, can on-the-spotly adjust and calibration, the normal operation of the assurance system that increases work efficiency has characteristics easy to adjust simultaneously.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of novel on-the-spot scalable fibre-optical sensing device, it is characterized in that: comprise housing, be fixedly mounted on the shaped form support of enclosure interior, be arranged on the joints of optical fibre one and the joints of optical fibre two in outside left side, described enclosure interior also is provided with the wedge of installing for described shaped form support bottom one, be provided with the back-moving spring of exerting pressure between described wedge one upper end and the inner walls to wedge one, described wedge one lower end is provided with the wedge two that is slidingly matched with it, described wedge two is positioned at enclosure interior, described housing right side is installed with the adjustment screw rod, the connected mode of described adjustment screw rod and housing is for being threaded, and described adjustment screw rod end is connected with wedge two; Described shaped form bracket clamp is contained between wedge one and the inner walls, be respectively arranged with a plurality of distortion teeth one and a plurality of distortion tooth two on inboard two the relative faces of described shaped form support, described distortion tooth one is staggered corresponding laying between the tooth two with distortion, form for two shaped form passages that signal optical fibre passes between the head of described distortion tooth one and distortion tooth two, described signal optical fibre is located in described shaped form channel interior, one is calibrating signal optical fiber in the described signal optical fibre, another root is a signal optical fibre one, described calibrating signal optical fiber two ends connect the joints of optical fibre one and the joints of optical fibre two respectively, described signal optical fibre one joins by optical cable and test cell, and described test cell is the connection processing unit also.
Above-mentioned a kind of novel on-the-spot scalable fibre-optical sensing device, it is characterized in that: be provided with auxiliary spring between described shaped form support upper surface and the inner walls, be installed with oscillator between described auxiliary spring lower end and the described shaped form support upper end, described shaped form bracket clamp is contained between oscillator lower end and the wedge one.
Above-mentioned a kind of novel on-the-spot scalable fibre-optical sensing device is characterized in that: the described joints of optical fibre one and the joints of optical fibre two all are fixed on the housing or all are positioned at headspace inside, and described headspace is arranged on the hull outside wall.
Above-mentioned a kind of novel on-the-spot scalable fibre-optical sensing device is characterized in that: described housing upper end is equipped with feeler lever, and described feeler lever and housing are slidingly matched, and fixedlys connected with described shaped form support upper end in described feeler lever lower end.
Above-mentioned a kind of novel on-the-spot scalable fibre-optical sensing device is characterized in that: be laid with bleeder vent on the described housing, described distortion tooth one is all or part of to be function distortion tooth, and described distortion tooth two is all or part of to be out of shape tooth for function.
Above-mentioned a kind of novel on-the-spot scalable fibre-optical sensing device, it is characterized in that: an end of described calibrating signal optical fiber connects light reflecting device, the described light reflecting device other end connects 1 mouthful of 1X2 photo-coupler, 2 mouthfuls of described 1X2 photo-coupler connect two optical fiber respectively, and the termination of described two optical fiber connects the joints of optical fibre one and the joints of optical fibre two respectively.
Above-mentioned a kind of novel on-the-spot scalable fibre-optical sensing device is characterized in that: described light reflecting device is light reflection mirror, fiber grating or the optical fiber that contains bubble.
Above-mentioned a kind of novel on-the-spot scalable fibre-optical sensing device is characterized in that: described shaped form support is shaped form housing, spring, serrate support or corrugated tube.
The utility model compared with prior art has the following advantages:
1, simple in structure, processing and fabricating is easy, input cost is low and use-pattern is flexible, highly sensitive.
2, two signal optical fibres protecting on the curved bracket in fibre-optical sensing device are in identical state substantially; just know sensing with the situation of signal optical fibre as long as detect the state of calibrating signal optical fiber like this, by regulating the state that screw rod just can the field change signal optical fibre of adjusting.
3, adopt light source-light power meter to connect at the scene respectively at two joints of optical fibre of the calibrating signal optical fiber on the fibre-optical sensing device, just can know the state of calibrating signal optical fiber, because the state of signal optical fibre is identical with the state of calibrating signal optical fiber, then also known simultaneously the state of signal optical fibre, regulate the state of adjusting screw rod and monitoring calibrating signal optical fiber with light source-light power meter, just adjust the state of signal optical fibre, the method of adjustment of this device is all operated at the scene and is finished, reduce cost significantly, improved work efficiency.
3, by being installed, light reflecting device reaches the purpose that improves measurement sensitivity and precision on calibrating signal optical fiber.
4, by cooperating adjustment screw rod and two wedges to regulate, not only can realize oblique side adjustment, and the normal operation of the assurance system that increases work efficiency, characteristics easy to adjust had simultaneously.
5, if the fibre-optical sensing device that suitable sign just can be searched more easily needs adjustment is carried out in the position near the housing of fibre-optical sensing device or stationary housing, further raise the efficiency.
In sum, the utlity model has characteristics simple in structure, reasonable in design, that cost is low and use-pattern is flexible, result of use is good, can on-the-spotly adjust and calibration, the normal operation of the assurance system that increases work efficiency has wide market application prospect simultaneously.
Below by drawings and Examples, the utility model is described in further detail.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the inner structure synoptic diagram of shaped form support among the embodiment 1.
Fig. 3 is the structural representation of embodiment 2.
Fig. 4 is the inner structure synoptic diagram of shaped form support among the embodiment 2.
Fig. 5 is the structural representation of embodiment 3.
Fig. 6 is the local structure for amplifying synoptic diagram at A place among Fig. 5.
Fig. 7 is the structural representation of embodiment 4.
Fig. 8 is the structural representation of embodiment 5.
Fig. 9 is the structural representation of embodiment 6.
Figure 10 is the inner structure synoptic diagram of shaped form support among the embodiment 6.
Figure 11 is the structural representation of embodiment 7.
Description of reference numerals:
The 1-optical cable; The 2-oscillator; The 3-feeler lever;
4-1-is out of shape tooth one; 4-2-is out of shape tooth two; The 5-test cell;
The 7-processing unit; The 8-headspace; The 9-housing;
10-sensitive material layer; The 11-joints of optical fibre one; The 12-joints of optical fibre two;
15-wedge one; 16-adjusts screw rod; 17-wedge two;
19-shaped form housing; The 20-fibre-optical sensing device; The 21-auxiliary spring;
The 22-point of fixity; The 23-back-moving spring; 33-signal optical fibre one;
The 34-bleeder vent; 35-calibrating signal optical fiber; The 36-gullet plate;
The 37-1X2 photo-coupler; The 38-spring; The 39-light reflecting device;
The 40-corrugated tube; The 41-tube wall.
Embodiment
Embodiment 1
A kind of novel on-the-spot scalable fibre-optical sensing device as illustrated in fig. 1 and 2, comprise housing 9, be fixedly mounted on the shaped form support of housing 9 inside, be arranged on the joints of optical fibre 1 and the joints of optical fibre 2 12 of housing 9 outer left side, described housing 9 inside also are provided with the wedge of installing for described shaped form support bottom 1, be provided with the back-moving spring 23 of exerting pressure between described wedge one 15 upper ends and housing 9 inwalls to wedge 1, described wedge one 15 lower ends are provided with the wedge 2 17 that is slidingly matched with it, described wedge 2 17 is positioned at housing 9 inside, described housing 9 right sides are installed with adjusts screw rod 16, the connected mode of described adjustment screw rod 16 and housing 9 is for being threaded, and described adjustment screw rod 16 ends are connected with wedge 2 17; Described shaped form bracket clamp is contained between wedge 1 and housing 9 inwalls, be respectively arranged with a plurality of distortion tooth one 4-1 and a plurality of distortion tooth two 4-2 on inboard two the relative faces of described shaped form support, be staggered corresponding laying between described distortion tooth one 4-1 and distortion tooth two 4-2, form for two shaped form passages that signal optical fibre passes between the head of described distortion tooth one 4-1 and distortion tooth two 4-2, described signal optical fibre is located in described shaped form channel interior, one is calibrating signal optical fiber 35 in the described signal optical fibre, another root is a signal optical fibre 1, described calibrating signal optical fiber 35 two ends connect the joints of optical fibre 1 and the joints of optical fibre 2 12 respectively, described signal optical fibre 1 joins by optical cable 1 and test cell 5, and described test cell 5 is connection processing unit 7 also.
In the present embodiment, described shaped form support is a shaped form housing 19, and a plurality of distortion tooth one 4-1 and a plurality of distortion tooth two 4-2 correspondences are laid on the inwall of shaped form housing 19.Preferably, clamping has two signal optical fibres between distortion tooth one 4-1 that lay relative both sides in described shaped form housing 19 and distortion tooth two 4-2, one is calibrating signal optical fiber 35 in the described signal optical fibre, another root is a signal optical fibre 1, these calibrating signal optical fiber 35 two ends connect the joints of optical fibre 1 and the joints of optical fibre 2 12 respectively, described signal optical fibre 1 joins by optical cable 1 and test cell 5, and described test cell 5 is connection processing unit 7 also.The described joints of optical fibre 1 and the joints of optical fibre 2 12 all are fixed on the housing 9 or all are positioned at headspace 8 inside, and described headspace 8 is arranged on housing 9 lateral walls, and preferred, headspace 8 has the lid that can remove.At the scene during detection calibration, use light source-light power meter to be connected with the joints of optical fibre 2 12 with the joints of optical fibre 1 by optical patchcord respectively, and scalable is adjusted the position change that screw rod 16 makes wedge 1 simultaneously, thereby the distance at shaped form housing 19 two ends is changed, and then the bending curvature of the signal optical fibre 1 that comprises in the shaped form housing 19 and calibrating signal optical fiber 35 is changed, thereby reach the purpose of test and calibration, because signal optical fibre 1 and calibrating signal optical fiber 35 are between distortion tooth one 4-1 and distortion tooth two 4-2 that is held on side by side in the shaped form housing 19, signal optical fibre 1 is identical with the state of calibrating signal optical fiber 35, the state that then records calibrating signal optical fiber 35 just can be learnt the state of signal optical fibre 1, thereby can carry out the on-the-spot detection calibration to signal optical fibre 1.Preferably, calibrating signal optical fiber 35 can be coiled in the headspace 8, when needs are tested, the termination joints of optical fibre of calibrating signal optical fiber 35 directly is plugged on the test instrumentation detects, and can save the use optical patchcord like this.
Preferably, be provided with auxiliary spring 21 between described shaped form support upper surface and housing 9 inwalls, be installed with oscillator 2 between described auxiliary spring 21 lower ends and the described shaped form support upper end, described shaped form bracket clamp is contained between oscillator 2 lower ends and the wedge 1.
In the utility model, be installed with back-moving spring 23 between housing 9 inwalls and wedge one 15 upper ends, the variation of wedge 2 17 positions obtains so that the motion of wedge 1 is based on, and can reduce the influence of vibration to this fibre-optical sensing device 20.
Described signal optical fibre 1 and calibrating signal optical fiber 35 are the optical fiber that the outside is surrounded by multi-protective layer.
The external packets of described signal optical fibre 1 and calibrating signal optical fiber 35 is covered with one deck waterproof layer.
What preferably, described signal optical fibre 1 and calibrating signal optical fiber 35 adopted is special optical fibers such as carbon coated fiber, thin footpath optical fiber.
Shown in Fig. 3 and 4, present embodiment is as different from Example 1: described curved bracket is for being spring 38, distortion tooth one 4-1 and distortion tooth two 4-2 correspondences are laid in the spring 38 between the two adjacent rings spring wire, and distortion tooth one 4-1 and the interlaced laying of distortion tooth two 4-2.In the present embodiment, the structure of remainder, annexation and principle of work are all identical with embodiment 1.
As illustrated in Figures 5 and 6, present embodiment is as different from Example 1: described curved bracket corrugated tube 40, in distortion tooth one 4-1 and distortion tooth two 4-2 correspondences are laid on the tube wall 41 of corrugated tube 40 on the two opposite side surfaces of recess, and distortion tooth one 4-1 and the interlaced laying of distortion tooth two 4-2.In the present embodiment, the structure of remainder, annexation and principle of work are all identical with embodiment 1.
Embodiment 4
As shown in Figure 7, present embodiment is as different from Example 1: described curved bracket is the serrate support, and the serrate support is interlocked by two gullet plates 36 and forms, and is laid with distortion tooth one 4-1 and distortion tooth two 4-2 of interlaced correspondence on the opposite face of two gullet plates 36.In the present embodiment, the structure of remainder, annexation and principle of work are all identical with embodiment 1.
As shown in Figure 8, present embodiment as different from Example 1: described housing 9 upper ends are equipped with feeler lever 3, and described feeler lever 3 is slidingly matched with housing 9, fixedly connected with described shaped form support upper end in described feeler lever 3 lower ends.Preferably, be mounted with auxiliary spring 21 between the upper end of feeler lever 3 bottoms and shaped form housing 19, the lower end of auxiliary spring 21 is connected by point of fixity 22 with shaped form housing 19.In the present embodiment, the structure of remainder, annexation and principle of work are all identical with embodiment 1.
Embodiment 6
As shown in Figures 9 and 10, present embodiment as different from Example 1: be laid with bleeder vent 34 on the described housing 9, described distortion tooth one 4-1 is all or part of to be function distortion tooth, and described distortion tooth two 4-2 are all or part of to be that function is out of shape tooth.Plating has sensitive material layer 10 on the surface of distortion tooth one 4-1 and distortion tooth two 4-2, can monitor gas to be monitored or liquid like this.In the present embodiment, the structure of remainder, annexation and principle of work are all identical with embodiment 1.
As shown in figure 11, present embodiment is as different from Example 1: an end of described calibrating signal optical fiber 35 connects light reflecting device 39, described light reflecting device 39 other ends connect 1 mouthful of 1X2 photo- coupler 37,2 mouthfuls of described 1X2 photo-coupler 37 connect two optical fiber respectively, and the termination of described two optical fiber connects the joints of optical fibre 1 and the joints of optical fibre 2 12 respectively.Described light reflecting device 39 is light reflection mirror, fiber grating or the optical fiber that contains bubble.In the present embodiment, the structure of remainder, annexation and principle of work are all identical with embodiment 1.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (8)
1. novel on-the-spot scalable fibre-optical sensing device, it is characterized in that: comprise housing (9), be fixedly mounted on the inner shaped form support of housing (9), be arranged on the joints of optical fibre one (11) and the joints of optical fibre two (12) of housing (9) outer left side, the inner wedge of installing for described shaped form support bottom one (15) that also is provided with of described housing (9), be provided with the back-moving spring (23) of exerting pressure between described wedge one (15) upper end and housing (9) inwall to wedge one (15), described wedge one (15) lower end is provided with the wedge two (17) that is slidingly matched with it, described wedge two (17) is positioned at housing (9) inside, described housing (9) right side is installed with adjusts screw rod (16), the connected mode of described adjustment screw rod (16) and housing (9) is for being threaded, and described adjustment screw rod (16) end is connected with wedge two (17); Described shaped form bracket clamp is contained between wedge one (15) and housing (9) inwall, be respectively arranged with a plurality of distortion teeth one (4-1) and a plurality of distortion tooth two (4-2) on inboard two the relative faces of described shaped form support, be staggered corresponding laying between described distortion tooth one (4-1) and distortion tooth two (4-2), form between the head of described distortion tooth one (4-1) and distortion tooth two (4-2) for two shaped form passages that signal optical fibre passes, described signal optical fibre is located in described shaped form channel interior, one is calibrating signal optical fiber (35) in the described signal optical fibre, another root is a signal optical fibre one (33), described calibrating signal optical fiber (35) two ends connect the joints of optical fibre one (11) and the joints of optical fibre two (12) respectively, described signal optical fibre one (33) joins by optical cable (1) and test cell (5), and described test cell (5) is connection processing unit (7) also.
2. according to the described a kind of novel on-the-spot scalable fibre-optical sensing device of claim 1, it is characterized in that: be provided with auxiliary spring (21) between described shaped form support upper surface and housing (9) inwall, be installed with oscillator (2) between described auxiliary spring (21) lower end and the described shaped form support upper end, described shaped form bracket clamp is contained between oscillator (2) lower end and the wedge one (15).
3. according to the described a kind of novel on-the-spot scalable fibre-optical sensing device of claim 1, it is characterized in that: the described joints of optical fibre one (11) and the joints of optical fibre two (12) all are fixed on the housing (9) or all are positioned at headspace (8) inside, and described headspace (8) is arranged on housing (9) lateral wall.
4. according to the described a kind of novel on-the-spot scalable fibre-optical sensing device of claim 1, it is characterized in that: described housing (9) upper end is equipped with feeler lever (3), described feeler lever (3) is slidingly matched with housing (9), fixedlys connected with described shaped form support upper end in described feeler lever (3) lower end.
5. according to the described a kind of novel on-the-spot scalable fibre-optical sensing device of claim 1, it is characterized in that: be laid with bleeder vent (34) on the described housing (9), described distortion tooth one (4-1) is all or part of to be function distortion tooth, and described distortion tooth two (4-2) is all or part of to be that function is out of shape tooth.
6. according to the described a kind of novel on-the-spot scalable fibre-optical sensing device of claim 1, it is characterized in that: an end of described calibrating signal optical fiber (35) connects light reflecting device (39), described light reflecting device (39) other end connects 1 mouthful of 1X2 photo-coupler (37), 2 mouthfuls of described 1X2 photo-coupler (37) connect two optical fiber respectively, and the termination of described two optical fiber connects the joints of optical fibre one (11) and the joints of optical fibre two (12) respectively.
7. according to the described a kind of novel on-the-spot scalable fibre-optical sensing device of claim 6, it is characterized in that: described light reflecting device (39) is light reflection mirror, fiber grating or the optical fiber that contains bubble.
8. according to the described a kind of novel on-the-spot scalable fibre-optical sensing device of claim 1, it is characterized in that: described shaped form support is shaped form housing, spring, serrate support or corrugated tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206589746U CN201955102U (en) | 2010-12-15 | 2010-12-15 | Novel site adjustable optical fiber sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206589746U CN201955102U (en) | 2010-12-15 | 2010-12-15 | Novel site adjustable optical fiber sensing device |
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| Publication Number | Publication Date |
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| CN201955102U true CN201955102U (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206589746U Expired - Fee Related CN201955102U (en) | 2010-12-15 | 2010-12-15 | Novel site adjustable optical fiber sensing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103653570A (en) * | 2013-11-07 | 2014-03-26 | 安徽省智汇电气技术有限公司 | Side-compression separated type magnetic badge |
| CN105819375A (en) * | 2016-05-10 | 2016-08-03 | 安徽坤昌家具有限公司 | Wood hoisting device |
| CN111650710A (en) * | 2020-06-24 | 2020-09-11 | 嘉兴旭锐电子科技有限公司 | Fine adjustment structure using wedge, pressing member thereof, and optical component using the fine adjustment structure |
| CN117518347A (en) * | 2024-01-05 | 2024-02-06 | 合肥幺正量子科技有限公司 | Device of programmable optical fiber array and application thereof |
-
2010
- 2010-12-15 CN CN2010206589746U patent/CN201955102U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103653570A (en) * | 2013-11-07 | 2014-03-26 | 安徽省智汇电气技术有限公司 | Side-compression separated type magnetic badge |
| CN103653570B (en) * | 2013-11-07 | 2015-07-22 | 安徽省智汇电气技术有限公司 | Side-compression separated type magnetic badge |
| CN105819375A (en) * | 2016-05-10 | 2016-08-03 | 安徽坤昌家具有限公司 | Wood hoisting device |
| CN111650710A (en) * | 2020-06-24 | 2020-09-11 | 嘉兴旭锐电子科技有限公司 | Fine adjustment structure using wedge, pressing member thereof, and optical component using the fine adjustment structure |
| CN111650710B (en) * | 2020-06-24 | 2024-02-06 | 嘉兴旭锐电子科技有限公司 | Fine tuning structure using wedge-shaped sheet, pressing member and optical member |
| CN117518347A (en) * | 2024-01-05 | 2024-02-06 | 合肥幺正量子科技有限公司 | Device of programmable optical fiber array and application thereof |
| CN117518347B (en) * | 2024-01-05 | 2024-04-19 | 合肥幺正量子科技有限公司 | Device of programmable optical fiber array and application thereof |
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Granted publication date: 20110831 Termination date: 20111215 |