CN203149148U - Adjustable working distance optical fiber rotation connector - Google Patents
Adjustable working distance optical fiber rotation connector Download PDFInfo
- Publication number
- CN203149148U CN203149148U CN 201220707977 CN201220707977U CN203149148U CN 203149148 U CN203149148 U CN 203149148U CN 201220707977 CN201220707977 CN 201220707977 CN 201220707977 U CN201220707977 U CN 201220707977U CN 203149148 U CN203149148 U CN 203149148U
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- optical fiber
- ring
- fiber collimator
- high speed
- braking
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- Expired - Fee Related
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- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model relates to an adjustable working distance optical fiber rotation connector, which comprises a stator component and a rotor component, the stator component is composed of a braking locking ring (2), a component sleeve (5) and a locking fixed ring (8), the rotor component is composed of optical collimators (1), high-speed miniature bearings (4), a space ring (6) and a fixed ring (3), two optical collimators (1) are arranged in circular holes at two ends of the component sleeve (5), wherein the optical collimator (1) at one end is fixed with two groups of locking screws (7) through the locking fixed ring (8), the optical collimator (1) at the other end is arranged in the circular hole of the component sleeve (5) through two high-speed miniature bearings (4), and is fixed through the fixed ring (3) and the braking locking ring (2). The adjustable working distance optical fiber rotation connector has the characteristics of adjustable working distance, low connection loss of optical fiber and small loss variation range during a rotation process, and can be used for various environment such as static environment, low-speed environment and high-speed environment.
Description
Technical field
The utility model relates to a kind of work apart from the adjustable optic fibre rotary connector, and this connector is a kind of optical signal transmission device that is widely used in fields such as military affairs, industry, and its function is that optical information is transmitted between rotation platform and static platform.
Background technology
Along with the pursuit to good life with people that develops rapidly of science and technology, people are increasing to the demand of information.Optical fiber has characteristics such as loss is little, antijamming capability strong, good confidentiality as a kind of information transmitting medium, and its application is increasingly extensive.In a lot of fields, utilize the conventional information transmission mode of lead transmission information can not satisfy new demand day by day, optical fiber more and more obtains increasingly extensive application as a kind of transmission medium of superior performance.In many application of optical fiber information transmission, need connecting mechanism for rotating that optical information is transmitted between rotation platform and static platform, this mechanism is called revolving joint, also claims rotary connector.At present, rotary connector is being widely used in the different fields, as industrial mechanical arm, winch, oil exploration equipment, the scanning system of hydrospace detection, the seabed robot, situation, particularly multiple military equipment that the aircraft of space industry and Medical Devices CT scan system etc. need be rotatably connected are general day by day especially to the technology requirement that is rotatably connected.Such device can be widely used in the control system of the various weapon platforms in sea, land and sky, and aspects such as radar, guidance and sonar array also need the technology of being rotatably connected.
The original form of rotary connector is electric sliding ring, relies on brush to contact becket from rotation with ring wall to stationary ring transmission of data signals and power current energy.The technology of electric sliding ring is relatively ripe, yet because the restriction of lead bandwidth, electric sliding ring can only transmit the analog or digital signal of some low bandwidth.More and more higher along with signal bandwidth is required, as vision signal, multi-media signal etc., electric sliding ring obviously shows potential limitation.Shortcoming such as the big and anti-interference difference of the low reliability, the energy consumption that exist of electrical interconnection itself makes electric sliding ring only be fit to the lower signal transmission of some speed in addition.For some high frequencies and high speed signal, the bit error rate of signal can significantly increase.In addition, because electric sliding ring is to rely on brush transmission signal, the quality of brush will have a strong impact on signal transfer quality.Particularly brush and ring, the electric arc between brush and the lead causes short circuit will cause potential potential safety hazard.On October 9th, 1978, the accident event of U.S.'s Seasat was exactly wherein an example.Consider that the electric sliding ring defective is more, people are increasing to the demand of information in addition, and under the increasingly mature situation of optical fiber manufacturing and Fibre Optical Communication Technology, people adopt the optical fiber connecting mechanism for rotating in increasing occasion.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides that a kind of loss is low, loss dynamic change scope is little, high reliability, can be used for the work of rotation at a high speed apart from the adjustable optic fibre rotary connector.
The purpose of this utility model is achieved in that a kind of work is apart from the adjustable optic fibre rotary connector, it has applicable to the high speed rotating environment, loss is little, loss dynamic change scope is little, assemble characteristics easily, and it comprises optical fiber collimator, rotor structure, stator structure, braking and locking structure.
Described fiber rotation connector comprises stator module and rotor assembly, described stator module is by the braking and locking ring, assembly sleeve and the ring that is locked constitute, described rotor assembly is by optical fiber collimator, the high speed miniature bearing, spacer ring and set collar constitute, described optical fiber collimator has two, described two optical fiber collimators are installed in the circular hole at assembly sleeve two ends, wherein the optical fiber collimator of an end is fixed by be locked ring and two groups of lock-screws, described two groups of lock-screws be arranged at respectively be locked the ring and optical fiber collimator between and be locked the ring and the assembly sleeve between, the optical fiber collimator of the other end is in the circular hole that the both shoulders brace type is installed on the assembly sleeve by two high speed miniature bearings, and then fix by two set collars and braking and locking ring, described two set collars are arranged at two high speed miniature bearing outsides, fix by lock-screw between described set collar and the optical fiber collimator, be provided with spacer ring between described two high speed miniature bearings, described spacer ring is set on the optical fiber collimator, also fixes by lock-screw between described braking and locking ring and the assembly sleeve.
Work between two optical fiber collimators both can be transferred by rotor structure apart from being adjustable, also can transfer by fixed optical fiber collimator.
Compared with prior art, the utlity model has following beneficial effect:
1, the optical fiber junction loss is low;
2, the loss variation range is little in rotary course;
3, applicable to multiple environment such as static, low speed, high speeds;
4, roomy, the transfer rate of information transport tape can reach more than the 100Gbit/s;
5, volume is little, in light weight;
6, anti shock and vibration, reliability height, life-span are long;
7, anti-interference, good confidentiality;
8, work is apart from adjustable.
Description of drawings
Fig. 1 is that a kind of work of the utility model is apart from the structural representation of adjustable optic fibre rotary connector.
Wherein:
Optical fiber collimator 1
Braking and locking ring 2
Set collar 3
High speed miniature bearing 4
Assembly sleeve 5
Lock-screw 7
Embodiment
Referring to Fig. 1, a kind of work of the utility model is apart from the adjustable optic fibre rotary connector, it comprises stator module and rotor assembly, described stator module is by braking and locking ring 2, assembly sleeve 5 and the ring 8 that is locked constitute, described rotor assembly is by optical fiber collimator 1, high speed miniature bearing 4, spacer ring 6 and set collar 3 constitute, described optical fiber collimator 1 has two, described two optical fiber collimators 1 are installed in the circular hole at assembly sleeve 5 two ends, wherein the optical fiber collimator 1 of an end is fixed by the 8 and two groups of lock-screws 7 of ring that are locked, described two groups of lock-screws 7 be arranged between be locked ring 8 and the optical fiber collimator 1 respectively and be locked encircle 8 and assembly sleeve 5 between, the optical fiber collimator 1 of the other end is in the circular hole that the both shoulders brace type is installed on assembly sleeve 5 by two high speed miniature bearings 4, and then fix by two set collars 3 and braking and locking ring 2, described two set collars 3 are arranged at two high speed miniature bearing 4 outsides, fix by lock-screw 7 between described set collar 3 and the optical fiber collimator 1, be provided with spacer ring 6 between described two high speed miniature bearings 4, described spacer ring 6 is set on the optical fiber collimator 1, also fixes by lock-screw 7 between described braking and locking ring 2 and the assembly sleeve 5.
Braking and locking ring 2 plays three kinds of effects simultaneously, namely locks, fixing and provide mounting interface with the outside by flange arrangement integrated on it.And spacer ring 6 plays two kinds of effects, the one, guarantee that two distances between the high speed miniature bearing 4 meet the requirements, and the 2nd, limit moving axially of bearing with set collar 3.
Therefore two optical fiber collimators 1 can regulate two distances between the optical fiber collimator 1 by regulating these four groups of gib screw positions axially locating by four groups of gib screws and fixing, and reach the adjustable purpose of distance between two optical fiber collimators 1.
Claims (2)
1. a job is apart from the adjustable optic fibre rotary connector, it is characterized in that: it has applicable to the high speed rotating environment, loss is little, loss dynamic change scope is little, assemble characteristics easily, it comprises optical fiber collimator, rotor structure, stator structure, the braking and locking structure, stator module and rotor assembly, described stator module is by braking and locking ring (2), assembly sleeve (5) and the ring (8) that is locked constitute, described rotor assembly is by optical fiber collimator (1), high speed miniature bearing (4), spacer ring (6) and set collar (3) constitute, described optical fiber collimator (1) has two, described two optical fiber collimators (1) are installed in the circular hole at assembly sleeve (5) two ends, wherein the optical fiber collimator of an end (1) is fixed by be locked ring (8) and two groups of lock-screws (7), described two groups of lock-screws (7) are arranged at respectively and are locked between ring (8) and the optical fiber collimator (1) and are locked between ring (8) and the assembly sleeve (5), the optical fiber collimator of the other end (1) is in the circular hole that the both shoulders brace type is installed on assembly sleeve (5) by two high speed miniature bearings (4), and then fix by two set collars (3) and braking and locking ring (2), described two set collars (3) are arranged at two high speed miniature bearings (4) outside, fix by lock-screw (7) between described set collar (3) and the optical fiber collimator (1), be provided with spacer ring (6) between described two high speed miniature bearings (4), described spacer ring (6) is set on the optical fiber collimator (1), also fixes by lock-screw (7) between described braking and locking ring (2) and the assembly sleeve (5).
2. a kind of work according to claim 1 is characterized in that apart from the adjustable optic fibre rotary connector: the work between two optical fiber collimators (1) both can be transferred by rotor structure apart from being adjustable, also can transfer by fixed optical fiber collimator (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220707977 CN203149148U (en) | 2012-12-20 | 2012-12-20 | Adjustable working distance optical fiber rotation connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220707977 CN203149148U (en) | 2012-12-20 | 2012-12-20 | Adjustable working distance optical fiber rotation connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203149148U true CN203149148U (en) | 2013-08-21 |
Family
ID=48976663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220707977 Expired - Fee Related CN203149148U (en) | 2012-12-20 | 2012-12-20 | Adjustable working distance optical fiber rotation connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203149148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111830638A (en) * | 2020-07-17 | 2020-10-27 | 中国兵器装备集团上海电控研究所 | Detachable optical fiber signal rotary transmission device |
-
2012
- 2012-12-20 CN CN 201220707977 patent/CN203149148U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111830638A (en) * | 2020-07-17 | 2020-10-27 | 中国兵器装备集团上海电控研究所 | Detachable optical fiber signal rotary transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |