CN111487726A - Miniaturized multichannel optical fiber rotary connector - Google Patents
Miniaturized multichannel optical fiber rotary connector Download PDFInfo
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- CN111487726A CN111487726A CN202010482261.7A CN202010482261A CN111487726A CN 111487726 A CN111487726 A CN 111487726A CN 202010482261 A CN202010482261 A CN 202010482261A CN 111487726 A CN111487726 A CN 111487726A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 59
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 239000000835 fiber Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 229920001410 Microfiber Polymers 0.000 claims 1
- 239000003658 microfiber Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/3604—Rotary joints allowing relative rotational movement between opposing fibre or fibre bundle ends
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/34—Optical coupling means utilising prism or grating
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- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a miniaturized multi-path optical fiber rotary connector which comprises a core part, wherein the core part comprises a rotary end outgoing line assembly, a fixed end outgoing line assembly, a transmission mechanism and a prism assembly; the rotating end outgoing line assembly and the fixed end outgoing line assembly are respectively arranged at two ends of a transmission mechanism, the transmission mechanism comprises an inner shaft, and the prism assembly is arranged in the inner shaft of the transmission mechanism; the prism assembly comprises a special-shaped dove prism and a prism sleeve, and the special-shaped dove prism is arranged in the prism sleeve; the special-shaped dove prism comprises an incident surface and an emergent surface which are opposite at two sides, the extension lines of the incident surface and the emergent surface form a 90-degree included angle, the bottom between the incident surface and the emergent surface is a horizontal refraction surface, the upper side of the refraction surface is a cylindrical non-working surface, the incident surface and the emergent surface which are light at two sides are working surfaces, the light is incident from the incident surface at one side, and the light is refracted at the refraction surface at the bottom and then is emitted from the emergent surface at the other opposite side; the cylindrical non-working surface of the special-shaped dove prism, the prism sleeve and the inner shaft are coaxial.
Description
Technical Field
The invention belongs to the field of optical signal transmission, and particularly relates to a miniaturized multi-path optical fiber rotary connector.
Background
The optical Fiber Rotary connector (FORJ) is also called optical Fiber slip ring, optical Fiber Rotary Joint, optical hinge, etc. and is used to solve the transmission problem of optical signal between opposite rotating parts, i.e. to ensure that the transmission of optical signal is not interrupted by rotation. Compared with the traditional electric connector, the optical fiber rotary connector has the following advantages: the light is used for signal transmission, so that the electromagnetic leakage is avoided, the confidentiality is good, and the electromagnetic interference is prevented; no contact transmission, no abrasion, long service life, and can reach 500 ten thousand revolutions. The friction is avoided, and the device can be used in flammable and explosive environments; the transmission bandwidth is far greater than that of the electric connector, and the electric connector is matched with a wavelength division multiplexer for use, so that the bandwidth can be doubled; the allowed rotating speed is high and can reach ten thousand revolutions per minute at most. The optical fiber rotary connector can realize 360-degree rotary transmission of optical signals from the fixed part to the rotating part.
The optical fiber rotary connector can be divided into a single channel, a double channel and a multi-channel according to the number of channels. The multi-channel optical fiber rotary connector has large capacity of transmitting signals and can realize bidirectional transmission, but has larger volume and relatively complex structure. In the prior art, the realization method of the multi-path optical fiber rotary connector adopts the light transmission principle of a dove prism and utilizes a corresponding transmission mechanism to realize the rotating speed ratio of 2: 1, but with the wide application of the optical fiber rotary connector, the industries of some miniaturized radars, airborne equipment, robots, intelligent manufacturing and the like put forward new requirements on the volume and the weight of the multi-path optical fiber rotary connector.
Disclosure of Invention
Aiming at the problems and the defects in the prior art, the miniaturized multi-path optical fiber rotary connector provided by the invention solves the problem that the multi-path optical fiber rotary connector cannot meet the size and weight requirements of certain miniaturized equipment and the severe requirements of certain miniaturized equipment.
The invention is realized by the following technical scheme:
a miniaturized multi-path optical fiber rotary connector comprises a core, wherein the core comprises a rotary end outgoing line assembly, a fixed end outgoing line assembly, a transmission mechanism and a prism assembly; the rotating end outgoing line assembly and the fixed end outgoing line assembly are respectively arranged at two ends of the transmission mechanism, the transmission mechanism comprises an inner shaft, and the prism assembly is arranged in the inner shaft of the transmission mechanism; the prism assembly comprises a special-shaped dove prism and a prism sleeve, and the special-shaped dove prism is arranged in the prism sleeve; the special-shaped dove prism comprises an incident surface and an emergent surface which are opposite at two sides, the extension lines of the incident surface and the emergent surface form an included angle of 90 degrees, the bottom between the incident surface and the emergent surface is a horizontal refraction surface, the upper side of the refraction surface is a cylindrical non-working surface, the incident surface and the emergent surface which are light at two sides are working surfaces, the light is incident from the incident surface at one side, and the light is refracted at the refraction surface at the bottom and then is emitted from the emergent surface at the other opposite side; the cylindrical non-working surface of the special-shaped dove prism, the prism sleeve and the inner shaft are coaxial.
Further, the transmission mechanism comprises a left bearing end cover, a left nut, a left bearing, a left retainer ring, a left bevel gear, a bevel pinion, a small bearing, a screw, a pinion shaft, an inner shaft, a right bevel gear, a right retainer ring, a right bearing, a right nut and a right bearing end cover; the inner shaft is transversely arranged at the center of the transmission mechanism; the left end and the right end of the inner shaft are respectively connected with a rotating end wire outlet assembly and a fixed end wire outlet assembly; the left bearings comprise 2 bearings and are arranged between the inner shaft and the left bevel gear, the 2 bearings are separated by a left check ring and are tightly spaced by a left nut, and a left bearing end cover is arranged on the left side of the left bearing; the right bearings comprise 2 bearings and are arranged between the inner shaft and the right bevel gear, the 2 right bearings are separated by a right check ring and are tightly spaced by a right nut, and a right bearing end cover is arranged on the right side of the right bearing; the small bevel gear is connected with an outer ring of the small bearing, an inner ring of the small bearing is arranged on the small gear shaft and limited by a screw, and the small gear shaft is assembled in a hole of the inner shaft in an interference fit mode.
Furthermore, the left bevel gear and the right bevel gear are large bevel gears which are symmetrically arranged, the gear ratio of the large bevel gears to the small bevel gears is 3: 1, and the modulus is 0.2-0.3.
Furthermore, no adjusting gap is needed between the prism sleeve and the inner shaft.
Furthermore, the left bearing and the right bearing are thin-walled bearings.
Furthermore, the rotating end outgoing line assembly comprises a moving end optical fiber collimator and a moving end collimator fixed end cover, and the moving end collimator fixed end cover is connected with the left bearing end cover; the movable end optical fiber collimator is arranged on the fixed end cover of the movable end collimator.
Furthermore, the fixed end outgoing line assembly comprises a fixed end collimation end cover, a fixed end collimator fixed end cover and a fixed end optical fiber collimator; the fixed end fiber collimator is arranged on a fixed end cover of the fixed end collimator, the fixed end cover of the fixed end collimator is arranged on the fixed end collimation end cover, and the fixed end collimation end cover is arranged on a right bearing end cover of the transmission mechanism through a positioning step.
Furthermore, the movable end optical fiber collimator and the fixed end optical fiber collimator both adopt micro optical fiber collimators.
The optical fiber cable outgoing device further comprises a detachable shell, wherein the detachable shell comprises a shifting fork, a rotary sealing ring, a flange, a shell and a fixed end outgoing line end cover, the shifting fork is connected with a left bearing end cover of the transmission mechanism and used as an outgoing line end cover of the optical fiber rotary end, and meanwhile, the shifting fork can drive the rotary end outgoing line assembly to rotate; the flange is connected with the shell, and the flange is provided with a mounting position of a rotary sealing ring; the shell is connected with the fixed end collimation end cover to be used as a shell body of the fixed end outgoing line assembly; the fixed end collimation end cover is connected with the right bearing end cover of the transmission mechanism.
The invention has the beneficial effects that:
the invention provides a miniaturized multi-path optical fiber rotary connector, which adopts a special-shaped dove prism, the special-shaped dove prism can realize the coincidence of an optical axis and a rotating shaft through mechanical positioning, and a dove prism adjusting system is not needed; meanwhile, a 2: 1 transmission mechanism with a small structure is designed by adopting a small-modulus bevel gear planetary gear train and a thin-wall bearing; the number of optical fiber paths is increased by combining the miniature optical fiber collimator, the design of a miniaturized and lightweight optical fiber rotary connector is realized, the number of optical fiber paths can reach 4, compared with the 4-path rotary connector in the prior art, the outer diameter size can be reduced by more than 60%, the outer diameter of the shell can reach within 25mm, the weight is reduced by 90%, and the weight can reach within 300 g; after the detachable shell is removed, the optical fiber rotary connector can be used independently as a multi-path optical fiber rotary connector, so that the external size and the weight can be further reduced.
Drawings
FIG. 1 is an assembly view of a miniaturized multi-fiber rotary connector of the present invention;
FIG. 2 is a core assembly view of the present invention;
FIG. 3 is a detail view of the transmission mechanism of the present invention;
FIG. 4 is a front view of the shaped dove prism of the invention;
FIG. 5 is a top view of the shaped dove prism of the invention;
FIG. 6 is a side view of a shaped dove prism of the invention;
wherein: 1. a shifting fork; 2. rotating the sealing ring; 3. a flange; 4. a shell 5, a transmission mechanism; 6. end fixing and collimating end covers; 7. fixing an end cover of the fixed-end collimator; 8. a fixed end outgoing line end cover; 9. a moving end optical fiber collimator; 10. a movable end collimator fixed end cover; 11. a special-shaped dove prism; 12. a prism sleeve; 13. a fixed-end optical fiber collimator; 14. a left side bearing end cap; 15. a left side nut; 16. a left side bearing; 17. a left side retainer ring; 18. a left bevel gear; 19. a bevel pinion gear; 20. a small bearing; 21. a screw; 22. a pinion shaft; 23. an inner shaft; 24. a right bevel gear; 25. a right side retainer ring; 26. a right side bearing; 27. a right side nut; 28. and a right bearing end cover.
Detailed Description
The preferred mechanisms and methods of motion realization of the present invention are further described below in conjunction with the figures and the detailed description.
As shown in fig. 1-3, a miniaturized multi-fiber rotary connector includes a core section and a removable shell section.
The core part comprises a rotating end outgoing line assembly, a fixed end outgoing line assembly, a transmission mechanism 5 and a prism assembly; the rotating end outgoing line assembly and the fixed end outgoing line assembly are respectively arranged at two ends of the transmission mechanism 5, and the prism assembly is arranged at the center of the transmission mechanism 5.
The rotating end outgoing line assembly is arranged on the left side of the core part, is arranged on the left side of the transmission mechanism 5, and comprises a moving end optical fiber collimator 9 and a moving end collimator fixing end cover 10; the movable end optical fiber collimator 9 is arranged on a fixed end cover 10 of the movable end collimator.
The fixed end outgoing line assembly is arranged on the right side of the core part, is arranged on the right side of the transmission mechanism 5, and comprises a fixed end collimation end cover 6, a fixed end collimator end cover 7 and a fixed end optical fiber collimator 13; the fixed end optical fiber collimator 13 is arranged on the fixed end collimator fixing end cover 7, and the fixed end collimator fixing end cover 7 is arranged on the fixed end collimating end cover 6.
The movable end optical fiber collimator 9 and the fixed end optical fiber collimator 13 both adopt micro optical fiber collimators and are respectively fixed on the movable end collimator fixed end cover 10 and the fixed end collimator fixed end cover 7 in a cementing manner. Because the outer diameter of the tiny optical fiber collimator is small, 4-path optical fiber arrangement can be realized in the limited clear aperture
The transmission mechanism 5 is a bevel gear planetary gear train and comprises a left bearing end cover 14, a left nut 15, a left bearing 16, a left retainer ring 17, a left bevel gear 18, a small bevel gear 19, a small bearing 20, a screw 21, a pinion shaft 22, an inner shaft 23, a right bevel gear 24, a right retainer ring 25, a right bearing 26, a right nut 27 and a right bearing end cover 28.
The inner shaft 23 is transversely arranged at the center of the transmission mechanism 5; the left end and the right end of the inner shaft 23 are respectively connected with a rotating end wire outlet assembly and a fixed end wire outlet assembly.
On the side close to the rotating end outgoing line assembly, the number of the left bearings 16 is 2, the left bearings 16 are installed between the inner shaft 23 and the left bevel gear 18, the 2 left bearings 16 are separated by the left retainer ring 17 and then are tightly spaced by the left nut 15, the left bearing end cover 14 is arranged on the left side of the left bearing 16, namely, the left bearing end cover 14, the left bevel gear 18 and the left retainer ring 17 are connected with the outer ring of the left bearing 16.
Correspondingly, on one side close to the fixed-end outgoing line assembly, the number of the right bearings 26 is 2, the right bearings 26 are installed between the inner shaft 23 and the right bevel gear 24, the 2 right bearings 26 are separated by a right retainer ring 25 and then are tightly spaced by a right nut 27, and the right bearing end cover 28 is arranged on the right side of the right bearing 26, namely the right bearing end cover 28, the right bevel gear 24 and the right retainer ring 25 are connected with the outer ring of the right bearing 26.
In the middle section of the inner shaft 23, the small bevel gear 19 is connected with the outer ring of the small bearing 20, the inner ring of the small bearing 20 is arranged on the small gear shaft 22 and limited by the screw 21, and the small gear shaft 22 is assembled in the hole of the inner shaft 23 through interference fit.
A movable end collimator fixed end cover 10 of the rotating end outgoing line assembly is connected with a left bearing end cover 14; the left bevel gear 18 and the right bevel gear 24 are respectively meshed with the small bevel gear 19; the fixed end collimation end cover 6 of the fixed end outgoing line assembly is arranged on the right side bearing end cover 28 of the transmission mechanism 5 through a positioning step, the coaxial precision is guaranteed, and the end part is fixed through screws.
The prism assembly comprises a special-shaped dove prism 11 and a prism sleeve 12, and the special-shaped dove prism 11 is glued in the prism sleeve 12.
As shown in fig. 4 to 6, the heteromorphic dove prism 11 is a dove prism whose non-working surface is cylindrical, that is: the special-shaped dove prism 11 comprises an incident surface and an emergent surface which are opposite to each other on two sides, an extending line of the incident surface and the emergent surface forms an included angle of 90 degrees, the bottom between the incident surface and the emergent surface is a horizontal refraction surface, the upper side of the refraction surface is a cylindrical non-working surface, the incident surface and the emergent surface which are light on two sides are working surfaces, the light enters from the incident surface on one side, and is refracted on the refraction surface on the bottom and then is emitted from the emergent surface on the other opposite side. The central axis of the cylindrical non-working surface of the special-shaped dove prism 11 is highly coincident with the optical axis of the dove prism, and compared with the traditional dove prism, the effective clear aperture can be improved by 10%.
The special-shaped dove prism 11 is glued in the prism sleeve 12, the prism sleeve 12 is installed in the inner shaft 23 and fixed on the right nut 27 through screws, and no installation gap exists between the special-shaped dove prism 11 and the prism sleeve 12. Here, it is required that the center of the cylindrical non-working surface of the special-shaped dove prism 11 is concentric with the center of the prism sleeve 12, and the prism sleeve 12 is concentric with the inner shaft 23, that is, the cylindrical non-working surface of the special-shaped dove prism 11, the prism sleeve 12, and the inner shaft 23 are concentric with each other.
When the special-shaped dove prism is installed, the cylindrical surface of the special-shaped dove prism 11 can be used as a mechanical positioning surface, the central axis of the cylindrical surface can be ensured to be overlapped with the optical axis height of the dove prism through high-precision processing, then the central hole of the prism sleeve 12 is matched according to the cylindrical surface of the special-shaped dove prism 11, high-precision matching is ensured, and the special-shaped dove prism is glued in the prism sleeve 12; the prism sleeve 12 and the inner shaft 23 are concentric through mechanical positioning and are fixed on a right nut 27 through screws. Therefore, the non-assembly of the special-shaped dove prism 11 can be realized, the assembly efficiency can be improved, and the assembly and adjustment difficulty can be reduced; meanwhile, the size of the special-shaped dove prism 11 can be increased, the clear aperture can be further enlarged, and a gap does not need to be adjusted between the prism sleeve 12 and the inner shaft 23. In the prior art, the installation and adjustment gap is about 1mm, and the size of the dove prism can be increased or the outer diameter size of the multi-path optical fiber rotary connector can be reduced by removing the gap.
The detachable shell comprises a shifting fork 1, a rotary sealing ring 2, a flange 3, a shell 4 and a fixed-end outlet end cover 8.
The shifting fork 1 is connected with a left bearing end cover 14 of the transmission mechanism 5, serves as a wire outlet end cover of the optical fiber rotating end, and can drive the rotating end wire outlet assembly to rotate; the flange 3 is connected with the shell 4, and the flange 3 is provided with a mounting position of the rotary sealing ring 2; the shell 4 is connected with a fixed end collimation end cover 6 to be used as a shell body of the fixed end outgoing line assembly; the fixed end collimation end cover 6 is connected with a right bearing end cover 28 of the transmission mechanism 5.
In the miniaturized multi-path optical fiber rotary connector of the present embodiment, if the detachable shell is removed, the miniaturized multi-path optical fiber rotary connector can still be used independently as a multi-path optical fiber rotary connector, referring to fig. 2, the overall size and weight of the miniaturized multi-path optical fiber rotary connector can be further reduced, and in the application occasions with strict requirements on size and weight, the central hole of the previous device can be used as a shell, and sealing and routing are considered uniformly.
The working process of the miniaturized multi-path optical fiber rotary connector of the embodiment is as follows:
the prism component is driven to rotate by a bevel gear planetary gear train, and the bevel gear planetary gear train comprises large bevel gears with the same tooth number, namely a left bevel gear 18, a right bevel gear 24 and one or more small bevel gears, namely small bevel gears 19; the central axes of the left bevel gear 18 and the right bevel gear 24 coincide with the central axis of the optical fiber rotary connector, and the central axis of the bevel pinion 19 is disposed at 90 degrees to the central axes of the left bevel gear 18 and the right bevel gear 24.
When the rotating end outgoing line component rotates, the left bevel gear 18 is driven to rotate, but the right bevel gear 24 is fixed, the left bevel gear 18 rotates, the small bevel gear 19 is driven to revolve around the central shafts of the left bevel gear 18 and the right bevel gear 24 while rotating around the central shaft of the self central shaft, the small bevel gear 19 rotates and drives the small gear shaft 22 to synchronously rotate around the central shaft of the optical fiber rotating connector through the small bearing 20 and the screw 21, so that the small gear shaft 22 drives the inner shaft 23 to rotate, the inner shaft 23 drives the prism component to rotate, the rotating speed is half of the rotating speed of the rotating end outgoing line component, namely the transmission ratio of the bevel gear planetary gear train is 2: 1.
The left bevel gear 18 and the right bevel gear 24 which belong to a large bevel gear and the small bevel gear 19 are designed by adopting small-module gears, and the module is 0.2-0.3; the left bevel gear 18 and the right bevel gear 24 are symmetrically designed, the gear ratio of the left bevel gear to the small bevel gear 19 is 3: 1, and meanwhile, the left bearing 16 and the right bearing 26 are thin-walled bearings, so that the outer diameter size of the transmission mechanism can be effectively reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. A miniaturized multi-path optical fiber rotary connector is characterized by comprising a core, wherein the core comprises a rotary end outgoing line assembly, a fixed end outgoing line assembly, a transmission mechanism and a prism assembly; the rotating end outgoing line assembly and the fixed end outgoing line assembly are respectively arranged at two ends of the transmission mechanism, the transmission mechanism comprises an inner shaft, and the prism assembly is arranged in the inner shaft of the transmission mechanism; the prism assembly comprises a special-shaped dove prism and a prism sleeve, and the special-shaped dove prism is arranged in the prism sleeve; the special-shaped dove prism comprises an incident surface and an emergent surface which are opposite at two sides, the extension lines of the incident surface and the emergent surface form an included angle of 90 degrees, the bottom between the incident surface and the emergent surface is a horizontal refraction surface, the upper side of the refraction surface is a cylindrical non-working surface, the incident surface and the emergent surface which are light at two sides are working surfaces, the light is incident from the incident surface at one side, and the light is refracted at the refraction surface at the bottom and then is emitted from the emergent surface at the other opposite side; the cylindrical non-working surface of the special-shaped dove prism, the prism sleeve and the inner shaft are coaxial.
2. The miniaturized multi-fiber rotary connector of claim 1, wherein the transmission mechanism comprises a left bearing end cap, a left nut, a left bearing, a left retainer ring, a left bevel gear, a bevel pinion, a small bearing, a screw, a pinion shaft, an inner shaft, a right bevel gear, a right retainer ring, a right bearing, a right nut, and a right bearing end cap; the inner shaft is transversely arranged at the center of the transmission mechanism; the left end and the right end of the inner shaft are respectively connected with a rotating end wire outlet assembly and a fixed end wire outlet assembly; the left bearings comprise 2 bearings and are arranged between the inner shaft and the left bevel gear, the 2 bearings are separated by a left check ring and are tightly spaced by a left nut, and a left bearing end cover is arranged on the left side of the left bearing; the right bearings comprise 2 bearings and are arranged between the inner shaft and the right bevel gear, the 2 right bearings are separated by a right check ring and are tightly spaced by a right nut, and a right bearing end cover is arranged on the right side of the right bearing; the small bevel gear is connected with an outer ring of the small bearing, an inner ring of the small bearing is arranged on the small gear shaft and limited by a screw, and the small gear shaft is assembled in a hole of the inner shaft in an interference fit mode.
3. The miniaturized multi-channel optical fiber rotary connector according to claim 2, wherein the left and right bevel gears are symmetrically arranged large bevel gears, the tooth ratio of the large bevel gears to the small bevel gears is 3: 1, and the modulus is 0.2-0.3.
4. The miniaturized multi-fiber rotary connector of claim 2, wherein no alignment gap is required between the prism sleeve and the inner shaft.
5. The miniaturized multi-fiber rotary connector of claim 2, wherein the left and right bearings are thin-walled bearings.
6. The miniaturized multi-path optical fiber rotary connector according to claim 2, wherein the rotary end outgoing line assembly comprises a movable end optical fiber collimator and a movable end collimator fixed end cover, and the movable end collimator fixed end cover is connected with the left bearing end cover; the movable end optical fiber collimator is arranged on the fixed end cover of the movable end collimator.
7. The miniaturized multi-fiber rotary connector of claim 6, wherein the fixed-end outlet assembly comprises a fixed-end collimating end cap, a fixed-end collimator end cap, and a fixed-end fiber collimator; the fixed end fiber collimator is arranged on a fixed end cover of the fixed end collimator, the fixed end cover of the fixed end collimator is arranged on the fixed end collimation end cover, and the fixed end collimation end cover is arranged on a right bearing end cover of the transmission mechanism through a positioning step.
8. The miniaturized multi-path fiber optic rotary connector of claim 7, wherein the movable end fiber collimator and the fixed end fiber collimator are micro fiber collimators.
9. The miniaturized multi-channel optical fiber rotary connector according to claim 8, further comprising a detachable shell, wherein the detachable shell comprises a shifting fork, a rotary sealing ring, a flange, a shell and a fixed end outgoing line end cover, the shifting fork is connected with a left bearing end cover of the transmission mechanism to serve as an outgoing line end cover of the optical fiber rotary end, and the shifting fork can drive the rotary end outgoing line assembly to rotate; the flange is connected with the shell, and the flange is provided with a mounting position of a rotary sealing ring; the shell is connected with the fixed end collimation end cover to be used as a shell body of the fixed end outgoing line assembly; the fixed end collimation end cover is connected with the right bearing end cover of the transmission mechanism.
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| CN202010482261.7A CN111487726B (en) | 2020-05-29 | 2020-05-29 | Miniaturized multichannel optical fiber rotary connector |
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| CN202010482261.7A CN111487726B (en) | 2020-05-29 | 2020-05-29 | Miniaturized multichannel optical fiber rotary connector |
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| CN113325521A (en) * | 2021-05-21 | 2021-08-31 | 中国电子科技集团公司第十四研究所 | Super multichannel optical fiber rotary connector |
| CN113341504A (en) * | 2021-05-21 | 2021-09-03 | 中国电子科技集团公司第十四研究所 | Adverse environment resistant multi-path optical fiber rotary connector |
| CN113866900A (en) * | 2021-04-28 | 2021-12-31 | 中国电子科技集团公司第十四研究所 | Multi-path optical fiber rotary connector |
| CN114002779A (en) * | 2021-04-28 | 2022-02-01 | 中国电子科技集团公司第十四研究所 | Machining method and application of collimator fixing end cover |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113866900A (en) * | 2021-04-28 | 2021-12-31 | 中国电子科技集团公司第十四研究所 | Multi-path optical fiber rotary connector |
| CN114002779A (en) * | 2021-04-28 | 2022-02-01 | 中国电子科技集团公司第十四研究所 | Machining method and application of collimator fixing end cover |
| CN113866900B (en) * | 2021-04-28 | 2023-02-28 | 中国电子科技集团公司第十四研究所 | Multi-path optical fiber rotary connector |
| CN113325521A (en) * | 2021-05-21 | 2021-08-31 | 中国电子科技集团公司第十四研究所 | Super multichannel optical fiber rotary connector |
| CN113341504A (en) * | 2021-05-21 | 2021-09-03 | 中国电子科技集团公司第十四研究所 | Adverse environment resistant multi-path optical fiber rotary connector |
| CN113341504B (en) * | 2021-05-21 | 2022-05-17 | 中国电子科技集团公司第十四研究所 | Adverse environment resistant multi-path optical fiber rotary connector |
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