CN201060290Y - Plastics optical fibre rotating connector - Google Patents
Plastics optical fibre rotating connector Download PDFInfo
- Publication number
- CN201060290Y CN201060290Y CNU2007200321915U CN200720032191U CN201060290Y CN 201060290 Y CN201060290 Y CN 201060290Y CN U2007200321915 U CNU2007200321915 U CN U2007200321915U CN 200720032191 U CN200720032191 U CN 200720032191U CN 201060290 Y CN201060290 Y CN 201060290Y
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- optical fiber
- fixed end
- sleeve pipe
- lens
- moved
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Abstract
The utility model discloses a plastic optical fiber rotating connector. Fixed end optical fiber is embedded into one end of a fixed end casing; a fixed end lens is embedded into the other end of the fixed end casing. The ends of the fixed end optical fiber and the fixed end lens closely contact and fit. A fixed metal sleeve is arranged outside the fixed end casing. The end of a dynamic end casing of a rotating head is embedded with dynamic optical fiber; the other end is embedded with a dynamic end lens. The ends of the dynamic optical fiber and the dynamic end lens closely contact and fit. The metal sleeve is arranged outside the dynamic end casing. Both of the fixed end optical fiber and the dynamic end optical fiber are plastic fiber. The fixed end fiber casing is arranged outside the end of the fixed end fiber which is embedded into the fixed end casing; the dynamic end fiber casing is arranged outside the end of the dynamic end fiber which is embedded into the dynamic end casing. The utility model solves the technical problems of small numerical aperture and core diameter of the optical fiber, the strict requirements on the machining accuracy and assembling coupling accuracy, great difficulty of coupling and high cost in the background techniques. The utility model is in particular suitable a LAN with a plurality of junctions and short distance information transmission system.
Description
Technical field
The utility model relates to a kind of fiber rotation connector, is specifically related to a kind of plastic fibre-optical rotating connector.
Background technology
Fiber rotation connector, be data transmission medium with optical fiber, solve the precision optics of the data transmission between the system unit that is rotatably connected, can improve mechanical property, the simplified system operation is avoided because of the rotation of the turning joint infringement to optical fiber.Be applicable to unconfined, continuous or interrupted rotation, the place of from the fixed position to the position of rotation, transmitting Large Volume Data, signal again simultaneously.The comprehensive target that is widely used in the free rotational connector of needs is found accurately in system and the charge system, for example: between radar antenna and its cab signal disposal system, between seabed robot and the control ship, the connector that the mechanical arm of industrial application and the connection line between the master station etc. need freely rotate.
At present, fiber rotation connector both domestic and external mainly is to be data transmission medium with the silica fibre, such as multimode optical fiber rotary connector, single-mode fiber rotary connector and hyperchannel multimode or single-mode fiber rotary connector.Though these silica fibre connectors have low-loss, wide bandwidth, anti-interference, characteristics such as volume is little, in light weight, high-low temperature resistant, but still have following shortcoming:
(1) silica fibre rotary connector, its optical fiber is silica fibre, pliability is poor, it is very easily cracked to be subjected to bending force, and the numerical aperture of optical fiber and core diameter are unsuitable excessive, and core diameter generally only is a micron order, therefore, the rotational loss variable quantity of silica fibre rotary connector is subjected to from the influence of axle, drift angle and spacing very big, and very strict to machining accuracy and assembling coupling accuracy requirement, the coupling difficulty is big.
(2) performance parameter of silica fibre rotary connector very easily is subjected to the influence of environmental change.
(3) cost of silica fibre rotary connector is extremely expensive.
Summary of the invention
The purpose of this utility model is to provide a kind of plastic fibre-optical rotating connector, and it is little that it has solved in the background technology numerical aperture and the core diameter of optical fiber, and very strict to machining accuracy and assembling coupling accuracy requirement, the coupling difficulty is big, the technical matters that cost is high.
Technical solution of the present utility model is:
A kind of plastic fibre-optical rotating connector comprises fixed head 1 and rotating head 2; Described fixed head 1 comprises fixed end sleeve pipe 103, one end of described fixed end sleeve pipe 103 is embedded with fixed end optical fiber 101, the other end of described fixed end sleeve pipe 103 is embedded with fixed end lens 104, the tight contact matching of end face of described fixed end optical fiber 101 and fixed end lens 104, the outer setting of described fixed end sleeve pipe 103 has fixing metal sleeve 105; Described rotating head 2 comprises moved end sleeve pipe 203, and the other end that an end of described moved end sleeve pipe 203 is embedded with moved end optical fiber 201 described moved end sleeve pipes 203 is embedded with moved end lens 204, the tight contact matching of end face of described moved end optical fiber 201 and moved end lens 204; The outer setting of described moved end sleeve pipe 203 has rotating metallic sleeve 205; Its special character is: described fixed end optical fiber 101 and moved end optical fiber 201 are plastic optical fiber; The outer setting that described fixed end optical fiber 101 embeds fixed end sleeve pipe 103 1 ends has fixed end ferrule 102, and the outer setting that described moved end optical fiber 201 embeds moved end sleeve pipe 203 1 ends has moved end ferrule 202.
Above-mentioned fixed end ferrule 102 and moved end ferrule 202 general copper pipe or the aluminum pipes etc. of adopting.
Above-mentioned fixed end sleeve pipe 103 generally can adopt common standard ceramic sleeve pipe with moved end sleeve pipe 203.
Above-mentioned fixed end lens 104 can adopt GRIN Lens or collimation lens etc. with moved end lens 204.
It is good that above-mentioned fixed end optical fiber 101 and outside fixed end ferrule 102 thereof cooperate with polished surface with the tight contact matching end face of fixed end lens 104; It is good that above-mentioned moved end optical fiber 201 and outside moved end ferrule 202 thereof also cooperate with polished surface with the tight contact matching end face of moved end lens 204.
Above-mentioned fixed end ferrule 102 and fixed end optical fiber 101 are to be connected to one to good, described fixed end sleeve pipe 103 and fixed end ferrule 102 and fixed end lens 104 are to be connected to one to good, and described fixed end sleeve pipe 103 and fixing metal sleeve 105 are to be connected to one to good; Above-mentioned moved end ferrule 202 and moved end optical fiber 201 are to be connected to one to good, described moved end sleeve pipe 203 and moved end ferrule 202 and moved end lens 204 are to be connected to one to good, and described moved end sleeve pipe 203 and rotating metallic sleeve 205 are to be connected to one to good.Such is fixedly connected fixedly connected with a glue.
The utlity model has following advantage:
(1) with the plastic optical fiber be the data transmission medium rotary connector, the diameter of plastic optical fiber is easy to connect the coupling efficiency height of light generally at 0.25-3.0mm.
(2) assembling is easy, and the coupling difficulty is low.The plastic optical fiber good toughness, counter-bending, vibration resistance, so the utility model can adopt numerical aperture, optical fiber that core diameter is bigger as required, machining accuracy and assembling coupling accuracy requirement are low, assemble easy.
(3) because physical construction of the present utility model is simple, and the cost of plastic optical fiber is more much lower than silica fibre again, therefore, cost of the present utility model is lower.The utility model adopts general conventional ceramic sleeve pipe can satisfy the matching requirements of optical fiber head and GRIN Lens or collimation lens, and not only assembling is easier, has also further reduced cost, helps producing in enormous quantities, using.
(4) plastic optical fiber has the traditional silica fibre and the feature performance benefit of copper cable concurrently, and has radiation resistance, is particularly useful in the more LAN of tie point and the short distance information transmission system.
(5) because of the large-numerical aperture of plastic optical fiber and big core diameter, make all insensitive to light path of rotation coupling loss between the connector from axle, drift angle and spacing, very easily satisfy request for utilization.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Drawing reference numeral explanation: 1-fixed head, 101-fixed end optical fiber, 102-fixed end ferrule, 103-fixed end sleeve pipe, 104-fixed end lens, 105-fixing metal sleeve, 2-rotating head, 201-moved end optical fiber, 202-moved end ferrule, 203-moved end sleeve pipe, 204-moved end lens, 205-rotating metallic sleeve.
Embodiment
The utility model mainly is made of fixed head 1 and rotating head 2 two parts, rotating head 2 by be connected with fixed head 1 threaded engagement, nested being connected, can rotate with respect to fixed head 1.The moved end optical fiber 201 that is arranged at the fixed end optical fiber 101 in the fixed head 1 and is arranged in the rotating head 2 is plastic optical fiber.With the plastic optical fiber is data transmission medium, replaces traditional silica fibre and copper cable, is fit to very much be applied in the more LAN of tie point and the short distance information transmission system.Plastic fibre-optical rotating connector, the diameter of plastic optical fiber generally can be at 0.25～3.0mm, the large-numerical aperture of plastic optical fiber and big core diameter make all insensitive from axle, drift angle and spacing to light path of rotation coupling loss between the connector, very easily satisfy request for utilization.The coupling efficiency height of plastic optical fiber light has also simultaneously that softness, counter-bending, vibration resistance, radioresistance, physical construction are simple, easy to assembly concurrently, low cost of manufacture, is easy to advantages such as connection.
Referring to Fig. 1, fixed head 1 is made of fixed end optical fiber 101, fixed end ferrule 102, fixed end sleeve pipe 103, fixed end lens 104, fixing metal sleeve 105.
The end of fixed end optical fiber 101 is with fixed end ferrule 102, and the two is fixed with one, and is embedded in an end of fixed end sleeve pipe 103, and its end face is handled closely contact matching of back with the end face of the fixed end lens 104 that are embedded in fixed end sleeve pipe 103 other ends through grinding and polishing.Fixed end optical fiber 101 and fixed end ferrule 102, fixed end ferrule 102 and fixed end lens 104 and fixed end sleeve pipe 103 can solidify processing then at its contact outer outside or outer end root points one circle epoxy glue.Fixed end ferrule 102 specifically can adopt copper pipe or aluminum pipe etc.The common porcelain bushing of fixed end sleeve pipe 103 usefulness can satisfy the matching requirements of plastic optical fiber head and GRIN Lens or collimation lens.Fixed end lens 104 can adopt GRIN Lens or collimation lens etc.
Rotating head 2 is made of moved end optical fiber 201, moved end ferrule 202, moved end sleeve pipe 203, moved end lens 204, rotating metallic sleeve 205.The end of moved end optical fiber 201 is with moved end ferrule 202, and the two is fixed with one, and is embedded in an end of moved end sleeve pipe 203, and its end face is handled closely contact matching of back with the end face of the moved end lens 204 that are embedded in moved end sleeve pipe 203 other ends through grinding and polishing.Moved end optical fiber 201 and moved end ferrule 202, moved end ferrule 202 and moved end lens 204 and moved end sleeve pipe 203 can solidify processing then at its contact outer outside or outer end root points one circle epoxy glue.Moved end optical fiber 201 specifically can adopt copper pipe or aluminum pipe etc.The common porcelain bushing of moved end sleeve pipe 203 usefulness can satisfy the matching requirements of plastic optical fiber head and GRIN Lens or collimation lens.Moved end lens 204 can adopt GRIN Lens or collimation lens etc.
Claims (7)
1. a plastic fibre-optical rotating connector comprises fixed head (1) and rotating head (2); Described fixed head (1) comprises fixed end sleeve pipe (103), one end of described fixed end sleeve pipe (103) is embedded with fixed end optical fiber (101), the other end of described fixed end sleeve pipe (103) is embedded with fixed end lens (104), the tight contact matching of end face of described fixed end optical fiber (101) and fixed end lens (104), the outer setting of described fixed end sleeve pipe (103) has fixing metal sleeve (105); Described rotating head (2) comprises moved end sleeve pipe (203), the other end that one end of described moved end sleeve pipe (203) is embedded with moved end optical fiber (201) described moved end sleeve pipe (203) is embedded with moved end lens (204), the tight contact matching of end face of described moved end optical fiber (201) and moved end lens (204); The outer setting of described moved end sleeve pipe (203) has rotating metallic sleeve (205); It is characterized in that: described fixed end optical fiber (101) and moved end optical fiber (201) are plastic optical fiber; The outer setting that described fixed end optical fiber (101) embeds fixed end sleeve pipe (103) one ends has fixed end ferrule (102), and the outer setting that described moved end optical fiber (201) embeds moved end sleeve pipe (203) one ends has moved end ferrule (202).
2. plastic fibre-optical rotating connector according to claim 1 is characterized in that: described fixed end ferrule (102) is copper pipe or aluminum pipe with moved end ferrule (202).
3. plastic fibre-optical rotating connector according to claim 1 and 2 is characterized in that: described fixed end sleeve pipe (103) is porcelain bushing with moved end sleeve pipe (203).
4. plastic fibre-optical rotating connector according to claim 3 is characterized in that: described fixed end lens (104) are GRIN Lens or collimation lens with moved end lens (204).
5. plastic fibre-optical rotating connector according to claim 4 is characterized in that: the fixed end ferrule (102) of described fixed end optical fiber (101) and outside thereof all is polished surfaces with the tight contact matching end face of fixed end lens (104); The moved end ferrule (202) of described moved end optical fiber (201) and outside thereof all is polished surfaces with the tight contact matching end face of moved end lens (204).
6. plastic fibre-optical rotating connector according to claim 5, it is characterized in that: described fixed end ferrule (102) is connected to one with fixed end optical fiber (101), described fixed end sleeve pipe (103) is connected to one with fixed end ferrule (102) and fixed end lens (104), and described fixed end sleeve pipe (103) is connected to one with fixing metal sleeve (105); Described moved end ferrule (202) is connected to one with moved end optical fiber (201), described moved end sleeve pipe (203) is connected to one with moved end ferrule (202) and moved end lens (204), and described moved end sleeve pipe (203) is connected to one with rotating metallic sleeve (205).
7. plastic fibre-optical rotating connector according to claim 6 is characterized in that: described fixed end ferrule (102) is fixedlyed connected with fixed end optical fiber (101), fixed end sleeve pipe (103) is fixedlyed connected with fixed end ferrule (102) and fixed end lens (104), fixed end sleeve pipe (103) is fixedlyed connected with fixing metal sleeve (105), moved end ferrule (202) is fixedlyed connected with moved end optical fiber (201), moved end sleeve pipe (203) is fixedlyed connected with moved end ferrule (202) and moved end lens (204), it is fixedly connected that moved end sleeve pipe (203) and fixedlying connected of rotating metallic sleeve (205) are a glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200321915U CN201060290Y (en) | 2007-06-30 | 2007-06-30 | Plastics optical fibre rotating connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200321915U CN201060290Y (en) | 2007-06-30 | 2007-06-30 | Plastics optical fibre rotating connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201060290Y true CN201060290Y (en) | 2008-05-14 |
Family
ID=39408772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200321915U Expired - Lifetime CN201060290Y (en) | 2007-06-30 | 2007-06-30 | Plastics optical fibre rotating connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201060290Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334507B (en) * | 2007-06-30 | 2010-04-21 | 中国科学院西安光学精密机械研究所 | Plastic fibre-optical rotating connector |
-
2007
- 2007-06-30 CN CNU2007200321915U patent/CN201060290Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334507B (en) * | 2007-06-30 | 2010-04-21 | 中国科学院西安光学精密机械研究所 | Plastic fibre-optical rotating connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20080514 Effective date of abandoning: 20070630 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20080514 Effective date of abandoning: 20070630 |