CN207691813U - A kind of optical fiber slip ring transmission device - Google Patents
A kind of optical fiber slip ring transmission device Download PDFInfo
- Publication number
- CN207691813U CN207691813U CN201721687390.XU CN201721687390U CN207691813U CN 207691813 U CN207691813 U CN 207691813U CN 201721687390 U CN201721687390 U CN 201721687390U CN 207691813 U CN207691813 U CN 207691813U
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- signal
- slip ring
- receiver
- optical fiber
- cable
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Abstract
The utility model discloses a kind of optical fiber slip ring transmission devices, are applied to USB3.0 signal transmissions, including：Optical fiber slip ring, cable, transmitting terminal optical transmitter and receiver and receiving terminal optical transmitter and receiver；Wherein, transmitting terminal optical transmitter and receiver and receiving terminal optical transmitter and receiver are both provided with USB3.0 signaling interfaces, and are connected with optical fiber slip ring by cable；Transmitting terminal optical transmitter and receiver is used to convert the electric signal received to optical signal, and sends optical signal to the optical fiber slip ring by cable, and receiving terminal optical transmitter and receiver is used for the optical signal that reception optical fiber slip ring is sent by cable, and converts optical signal into electric signal.Transmission device provided by the utility model improves the anti-interference ability of transmission signal, keeps the USB3.0 signal transmission performances between equipment more stable, and USB3.0 signals is enable widely to be applied to the fields such as industry, military affairs.
Description
Technical field
The utility model is related to industrial information fields, more particularly to a kind of optical fiber slip ring transmission device.
Background technology
With the development of the modern industry, it is often necessary to equipment carry out 360 degree rotation, and the equipment of two relative rotation it
Between transmission signal, energy etc..In order to avoid there is coiling situation in the cable of transferring signals between devices, it is necessary to using cable and
Slip ring is matched to realize the signal transmission between equipment.The higher transmission rate of USB3.0 signals makes it in sophisticated equipment
In be used widely.
Currently used USB3.0 cables be connected with slip ring transmission signal transmission range it is very short, and anti-interference energy
Force difference, it is difficult to meet the needs of fields such as some industry, military affairs.
Utility model content
The purpose of this utility model is to provide a kind of optical fiber slip ring transmission device, solves cable slip ring transmission USB3.0 letters
The problem of number transmission range is short, poor performance.
In order to solve the above technical problems, the utility model provides a kind of optical fiber slip ring transmission device, it is applied to USB3.0 and believes
Number transmission, including：
Optical fiber slip ring, cable, transmitting terminal optical transmitter and receiver and receiving terminal optical transmitter and receiver；Wherein, the transmitting terminal optical transmitter and receiver and institute
It states receiving terminal optical transmitter and receiver and is both provided with USB3.0 signaling interfaces, and be connected with the optical fiber slip ring by the cable；Institute
Transmitting terminal optical transmitter and receiver is stated for converting the electric signal received to optical signal, and the optical signal is sent to described by cable
Optical fiber slip ring, the receiving terminal optical transmitter and receiver is for receiving the optical signal that the optical fiber slip ring is sent by cable, and by the light
Signal is converted into electric signal.
Wherein, the cable is single mode optical fiber cable, operation wavelength 1310nm-1550nm.
Wherein, the length of the cable is not less than 5m.
Wherein, the cable is a core or two core cables.
Wherein, the transmitting terminal optical transmitter and receiver and the receiving terminal optical transmitter and receiver include PHY chip and SFP+ modules.
Wherein, the transmitting terminal optical transmitter and receiver connects external power supply by connector.
Wherein, a kind of signal slip ring is at least also integrated on the optical fiber slip ring.
Wherein, the signal of the transmission of the signal slip ring is to appoint in electric signal, vision signal, digital signal or analog signal
It anticipates a kind of signal.
Wherein, the optical fiber slip ring and the signal slip ring are two mutual physically-isolated slip rings, two slip-ring combinations
A combination slip ring is integrated afterwards.
Optical fiber slip ring transmission device provided by the utility model, the both ends cable being connected with optical fiber slip ring are separately connected
Transmitting terminal optical transmitter and receiver and receiving terminal optical transmitter and receiver, the main function of optical transmitter and receiver are can mutually to be turned optical signal and electric signal
It changes.Therefore, the electric signal that transmitting terminal optical transmitter and receiver can send USB3.0 signaling interfaces is converted into optical signal, and receiving terminal optrode
End can convert optical signal into electric signal and be sent by USB3.0 signaling interfaces.Therefore pass through between two optical transmitter and receivers
Cable and the signal of optical fiber slip ring transmission are optical signal, improve the anti-interference ability of transmission signal, make between equipment
USB3.0 signal transfer performances are more stable, and USB3.0 signals is enable widely to be applied to the fields such as industry, military affairs.
Description of the drawings
For the clearer technical solution for illustrating the utility model embodiment or the prior art, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
Other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for the optical fiber slip ring transmission device that the utility model embodiment provides.
Specific implementation mode
In order to make those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and it is embodied
The utility model is described in further detail for mode.Obviously, described embodiment is only the utility model part
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
The optical fiber slip ring transmission device provided below the utility model embodiment is introduced, the light in the utility model
Fine slip ring transmission device is mainly used for USB3.0 signal transmissions.
Fig. 1 is the structural schematic diagram for the optical fiber slip ring transmission device that the utility model embodiment provides, referring to Fig.1 fiber slide
Ring transmission device may include：
Optical fiber slip ring 1, cable 2, transmitting terminal optical transmitter and receiver 3 and receiving terminal optical transmitter and receiver 4.
Optical transmitter and receiver major function is photoelectric conversion, is generally employed in pairs, and transmitting terminal optical transmitter and receiver and receiving terminal optical transmitter and receiver are divided into,
Transmitting terminal optical transmitter and receiver completes electrical/optical conversion, and optical signal launch is gone out；Receiving terminal optical transmitter and receiver is mainly converted into optical signal
Electric signal completes optical electrical conversion.
Therefore, as shown in Figure 1, transmitting terminal optical transmitter and receiver 3 is provided with USB3.0 signaling interfaces in the embodiments of the present invention,
Can by the USB3.0 signaling interfaces with need send USB3.0 signals external equipment be connected.Meanwhile the transmitting terminal light
Terminal 3 is connected by cable 2 with optical fiber slip ring 1.And light slip ring is connected by cable 2 with receiving terminal optical transmitter and receiver 4,
In, the stator of cable 2 and optical fiber slip ring 1 being connected with transmitting terminal optical transmitter and receiver 3 is connected with one in rotor, stator and turn
Another and the cable 2 that is connected with receiving terminal optical transmitter and receiver 4 in son are connected.
USB3.0 signals are only transmitted by cable and slip ring as electronic signals in the prior art, and telecommunications
Anti-interference is relatively low number in transmission process, and since in cable and slip ring transmission signal process, the terminal device of connection is also
Relative rotation can occur, which in turns increases the disturbing factors of USB3.0 signal transmissions so that the transporting of USB3.0 signals
It can reduce.In addition, the USB3.0 signal transmissions due to that can only carry out short distance by cable and slip ring, this undoubtedly believes USB3.0
Number application bring limitation, so that USB3.0 signals is can be only applied to short range transmission, general transmission range is no more than 5m.
For this purpose, converting the signal between cable 2 and optical fiber slip ring 1 to optical signal in the utility model, improve
The anti-interference ability of USB3.0 signals improves the performance of signal transmission, and then also can largely increase USB3.0
The transmission range of signal.Transmission range in the prior art is generally 3m or so, and is farthest no more than 5m.And in the utility model
Transmission device, it can be achieved that USB3.0 signals remote transmission so that transmission range be much larger than 5m, can generally transmit 300m.
Therefore, further, the total length of cable 2 can be more than 5m in 1 transmission device of optical fiber slip ring provided by the utility model, even
It could be provided as 300m.
Because of the transmission device in the utility model, the high-performance of USB3.0 signals may be implemented, propagate at a distance.Cause
This, the transmission device provided in the utility model can be widely used in the fields such as various industry, military affairs.
In addition, in order to ensure conversion performance of the optical transmitter and receiver to optical signal and electric signal, can further be wrapped in the present embodiment
It includes：
Transmitting terminal optical transmitter and receiver 3 and receiving terminal optical transmitter and receiver 4 are all made of PHY chip and SFP+ modules.
It can be further improved, have in the utility model to increase the stability of transmission signal based on above-described embodiment
Body may include：
It is single mode optical fiber cable to connect light slip ring and the cable 2 of receiving terminal optical transmitter and receiver 4 and transmitting terminal optical transmitter and receiver 3, should
The operation wavelength of Connectorized fiber optic cabling is 1310nm-1550nm.
Single mode optical fiber is the optical fiber of one mode of can only disseminating under specified wavelength, is only passed through there are one wave crest.Center glass
Glass core is very thin, therefore intermode dispersion very little, and the principal element for influencing fiber bandwidth degree is various dispersions, and dispersion in mode
Mostly important, the dispersion of single mode optical fiber is small, therefore can be suitable for telecommunication light with very wide frequency band transmission very long range.
Single mode optical fiber can support more longer transmission distance compared to multimode fibre, 100Mbps Ethernet so that 1G gigabits
Net, single mode optical fiber can all support be more than 5000m transmission range.
Therefore, it is used in combination using single mode optical fiber cable and optical transmitter and receiver in the utility model, biography can be further increased
Transfer device transmits the bandwidth of signal, to promote the transmission performance of transmission device.
It can be in order to further increase the stability of transmission USB3.0 signals, in the another specific embodiment of the utility model
Including：
Cable 2 in the utility model is a core or two core cables, because a core or two core cables are used for transmission USB3.0
The core of signal is less, so transmission signal that can be more stable, and the price of multicore cable is higher than the cable of a core or two cores
Line.Therefore, in the present embodiment, on the basis of improving signal transmission performance, equipment cost is also reduced.
Based on above-mentioned any embodiment, it is connected with receiving terminal optical transmitter and receiver 4 in the another specific embodiment of the utility model
The host side connect and the equipment end being connected with transmitting terminal optical transmitter and receiver 3 can pass through connector 5 by the optical transmitter and receiver respectively connected
Connection external power supply is powered, but for host side, can also be that transmitting terminal optical transmitter and receiver 3 is connected with power supply, and
Energy signal is transmitted to host side by 1 equipment of optical fiber slip ring in the utility model, to be reached for the purpose of host side power supply.
Based on above-mentioned any embodiment, because generally requiring to transmit a variety of different letters between host side and equipment end
Number, thus in the another specific embodiment of the utility model, a variety of different signals of 1 upper set of optical fiber slip ring it can also slide again
Ring.A variety of different signal slip rings are the specific can be that for transmitting electric signal, vision signal, digital signal or analog signal.
In order to reduce interfering with each other of transmitting between various unlike signals, can also further be changed in the present embodiment
Into making that slip ring made of slip-ring combination can be independent from each other between each signal slip ring, each slip ring is according to certain suitable
Sequence coaxial setting successively, and it is additionally provided with physics isolation technology between two neighboring slip ring, to reduce the signal between slip ring
Interference.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with it is other
The difference of embodiment, just to refer each other for same or similar part between each embodiment.For being filled disclosed in embodiment
For setting, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related place is referring to method part
Explanation.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, depends on the specific application and design constraint of technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think to exceed the scope of the utility model.
1 transmission device of optical fiber slip ring provided by the utility model is described in detail above.It is used herein
Specific case is expounded the principles of the present invention and embodiment, and the explanation of above example is only intended to help to manage
Solve the method and its core concept of the utility model.It should be pointed out that for those skilled in the art, not
Under the premise of being detached from the utility model principle, several improvements and modifications can be made to this utility model, these improve and repair
Decorations are also fallen into the protection domain of the utility model claims.
Claims (9)
1. a kind of optical fiber slip ring transmission device is applied to USB3.0 signal transmissions, which is characterized in that including：Optical fiber slip ring, cable
Line, transmitting terminal optical transmitter and receiver and receiving terminal optical transmitter and receiver；
Wherein, the transmitting terminal optical transmitter and receiver and the receiving terminal optical transmitter and receiver are both provided with USB3.0 signaling interfaces, and pass through institute
Cable is stated with the optical fiber slip ring to be connected；
The transmitting terminal optical transmitter and receiver is used to convert the electric signal received to optical signal, and sends the optical signal by cable
To the optical fiber slip ring, the receiving terminal optical transmitter and receiver is used to receive the optical signal that the optical fiber slip ring is sent by cable, and will
The optical signal is converted into electric signal.
2. equipment according to claim 1, which is characterized in that the cable is single mode optical fiber cable, and operation wavelength is
1310nm-1550nm。
3. equipment according to claim 2, which is characterized in that the length of the cable is not less than 5m.
4. equipment according to claim 3, which is characterized in that the cable is a core or two core cables.
5. equipment according to claim 1, which is characterized in that the transmitting terminal optical transmitter and receiver and the receiving terminal optical transmitter and receiver are equal
Including PHY chip and SFP+ modules.
6. equipment according to claim 5, which is characterized in that the transmitting terminal optical transmitter and receiver connects external electrical by connector
Source.
7. equipment according to any one of claims 1 to 6, which is characterized in that be at least also integrated on the optical fiber slip ring
A kind of signal slip ring.
8. equipment according to claim 7, which is characterized in that the signal of the transmission of the signal slip ring is electric signal, regards
Any one signal in frequency signal, digital signal or analog signal.
9. equipment according to claim 7, which is characterized in that the optical fiber slip ring and the signal slip ring are mutual for two
Physically-isolated slip ring integrates a combination slip ring after two slip-ring combinations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721687390.XU CN207691813U (en) | 2017-12-07 | 2017-12-07 | A kind of optical fiber slip ring transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721687390.XU CN207691813U (en) | 2017-12-07 | 2017-12-07 | A kind of optical fiber slip ring transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207691813U true CN207691813U (en) | 2018-08-03 |
Family
ID=62996473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721687390.XU Active CN207691813U (en) | 2017-12-07 | 2017-12-07 | A kind of optical fiber slip ring transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207691813U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113890614A (en) * | 2021-10-20 | 2022-01-04 | 浙江大立科技股份有限公司 | Rotary platform signal transmission system based on single-channel photoelectric hybrid slip ring |
| CN114244386A (en) * | 2021-11-29 | 2022-03-25 | 中航光电科技股份有限公司 | Vehicle-mounted data communication optical transceiver |
-
2017
- 2017-12-07 CN CN201721687390.XU patent/CN207691813U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113890614A (en) * | 2021-10-20 | 2022-01-04 | 浙江大立科技股份有限公司 | Rotary platform signal transmission system based on single-channel photoelectric hybrid slip ring |
| CN113890614B (en) * | 2021-10-20 | 2023-03-31 | 浙江大立科技股份有限公司 | Rotary platform signal transmission system based on single-channel photoelectric hybrid slip ring |
| CN114244386A (en) * | 2021-11-29 | 2022-03-25 | 中航光电科技股份有限公司 | Vehicle-mounted data communication optical transceiver |
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