CN205139428U - Transmission line structure - Google Patents
Transmission line structure Download PDFInfo
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- CN205139428U CN205139428U CN201520843624.XU CN201520843624U CN205139428U CN 205139428 U CN205139428 U CN 205139428U CN 201520843624 U CN201520843624 U CN 201520843624U CN 205139428 U CN205139428 U CN 205139428U
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- transmission line
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Abstract
The utility model discloses a transmission line structure, it contains a connector housing, and this connector housing one side has set firmly an electric connector, a circuit board sets up inside this connector housing, a wave length division multitask optics time module sets up the just inside and circuit board electrically connected in connector housing, a cable, this cable connect in connector housing's opposite side is equipped with an optic fibre in this cable, and the optical fiber interface in this optic fibre and this wave length division multitask optics time module is coupled mutually, through the structure, the utility model discloses can reduce the optic fibre use amount of transmission line, except reducing the wire rod cost, many optic fibre also can avoiding having now are easily because of the friendship twines impaired situation by a wide margin, simultaneously, through reducing preparation and the application that optic fibre quantity can more do benefit to detachable fiber optic cable line, and then make the utility model discloses can reach the efficiency that reduces product cost by a wide margin and promote the reliable degree of product.
Description
Technical field
The utility model relates to a kind of transmission line, espespecially a kind ofly reduces the audio-visual of number of fibers or data Connectorized fiber optic cabling.
Background technology
In the technical field of transmission line as audio-visual transmission line or data line, active Connectorized fiber optic cabling (ActiveOpticalCable, AOC, also known as active optical cable) more than traditional passive type copper cable optical fiber, optical transceiver cell and relevant driving, the devices such as amplification chip, there is preferably antidamping, interference free performance and longer transmission range, following application and popularization are quite by good, wherein, the interface specification of this transmission line comprises HDMI, DisplayPort (DP) and USB3.X etc., be the active Connectorized fiber optic cabling 1 of a kind of existing HDMI as shown in Figures 1 and 2, it is to be noted that, in its inside of active Connectorized fiber optic cabling that this illustrates except optical fiber 15, also be configured with the copper conductor 16 of some simultaneously, in order to transmit other electric signal, therefore be also called the active optical cable of photoelectric mixed-mode (hybrid), the active Connectorized fiber optic cabling 1 of this HDMI has a housing 10, one is embedded and protrudes from the electrical connector 11 of housing 10 side, one is arranged at the inner and circuit board 12 be electrically connected with this electrical connector 11 of housing 10, one is arranged at chip on this circuit board 12 13 respectively (as driven, amplification chip) and a light engine 14 (opticalengine, also known as ray machine), wherein, VCSEL (the VerticalCavitySurfaceEmittingLaser be made up of four optical transceiver cells is provided with in this light engine 14, vertical cavity surface emitting laser) array or photodiode (PhotoDiode) array, be used for correspondence respectively, the TMDS0 of transmission HDMI, TMDS1, TMDS2 and frequency (Clock) control signal, this light engine 14 is coupled with four optical fiber 15 corresponding with this VCSEL array or photodiode array respectively, in addition, aforementioned copper conductor 16 and circuit board 12 are electrically connected, this multifiber 15 can be coated in a cable 2 usually with copper conductor 16.
As shown in Figure 2, light engine 14 in the active Connectorized fiber optic cabling 1 of existing HDMI does not possess the structural design of single fiber wavelength-division multitask, thus many optical fiber 15 must be used, except improving wire rod cost, and optical fiber 15 also easily and other optical fiber 15 or copper conductor 16 entwine and increase damaged risk, then will certainly allow the one-piece construction of cable 2 is more complicated and volume is larger to strengthen the protection of optical fiber 15, reduce practicality and the fiduciary level of product, in addition, optical transceiver cell array on this light engine 14 uses high precision paster (SMT) equipment and other sealed in units to assemble usually, accurate butt coupling is carried out again with optical fiber 14, not only technology difficulty is high and need use expensive sealed in unit, production cost do not have advantage, therefore, how to be improved for above-mentioned deficiency, be the technical difficulties of this case case inventor for solving.
Utility model content
Because existing active Connectorized fiber optic cabling, the packaging cost of its light engine is higher, and collocation must use many optical fiber, increase wire rod cost and the impaired chance of optical fiber, reduce practicality and the fiduciary level of product, therefore the purpose of this utility model is to develop a kind of transmission line structure reducing number of fibers.
Another object of the present utility model is to develop a kind of transmission line structure being convenient to make or be applied to detachable Connectorized fiber optic cabling.
In order to reach above object, the utility model provides a kind of transmission line structure, and it comprises: a connector housing, and this connector shell side is installed with an electrical connector; One circuit board, is arranged at this connector shell inner; One wavelength-division multitask optical secondary module, be arranged at connector shell inside and be electrically connected with circuit board, this wavelength-division multitask optical secondary module is provided with an optical fiber interface, be provided with at least two optical transceiver cells and at least one WDM optical filter in this wavelength-division multitask optical secondary module, and this optical transceiver cell possesses cap encapsulating structure; One cable, this cable is connected to the opposite side of connector shell, is provided with an optical fiber in this cable, and this optical fiber couples mutually with the optical fiber interface in this wavelength-division multitask optical secondary module.
In order to reach above object, the utility model additionally provides another kind of transmission line structure, comprises: a connector housing, and this connector shell side is installed with an electrical connector; One circuit board, is arranged at this connector shell inner; One wavelength-division multitask light engine, be arranged at connector shell inside and be electrically connected with circuit board, this wavelength-division multitask light engine is provided with an optical fiber interface, and this wavelength-division multitask light engine inside is provided with an optical transceiver cell array be made up of at least two optical transceiver cells not possessing TO-CAN encapsulating structure and at least two WDM optical filters; One cable, this cable is connected to the opposite side of connector shell, is provided with an optical fiber in this cable, and this optical fiber couples mutually with the optical fiber interface in this wavelength-division multitask optical secondary module.
Pass through said structure, the utility model significantly can reduce the optical fiber use amount of transmission line, except wire rod cost can be reduced, also the situation that existing many optical fiber are easily impaired because entwining can be avoided, simultaneously, by reducing number of fibers, the exploration and application of detachable Connectorized fiber optic cabling can be more conducive to, and then make the utility model can reach the effect significantly reducing cost of products and improving product fiduciary level.
Accompanying drawing explanation
Fig. 1 is the structural representation of the active Connectorized fiber optic cabling of existing HDMI;
Fig. 2 is the enlarged schematic partial view of Fig. 1;
Fig. 3 is structural representation of the present utility model;
Fig. 4 is the structural representation of the wavelength-division multitask optical secondary module in the utility model;
Fig. 5 is the schematic diagram of the utility model second embodiment;
Fig. 6 is the schematic diagram of the utility model the 3rd embodiment.
The active Connectorized fiber optic cabling of description of reference numerals: 1-HDMI; 10-housing; 11-electrical connector; 12-circuit board; 13-chip; 14-light engine; 15-optical fiber; 16-copper conductor; 2-cable; 3-connector shell; 301-joint portion; 4-electrical connector; 5-circuit board; 6-wavelength-division multitask optical secondary module; 6a-wavelength-division multitask light engine; 61-optical fiber interface; 61a-optical fiber interface; 62-optical transceiver cell; 62a-optical transceiver cell; 63-WDM optical filter; 7-cable; The combined portion of 701-; 71-optical fiber; 72-copper conductor.
Embodiment
As shown in Figure 3, the utility model provides a kind of transmission line structure, and it comprises:
A connector housing 3, this connector shell 3 side is installed with an electrical connector 4, the interface of this electrical connector 4 meets HDMI, the specification of DisplayPort or USB3.X (it is worth mentioning that, although USB transmission line mainly data transmission purposes traditionally, but newer USB3.1typeC specification has DisplayPort alternating pattern, i.e. DisplayPortAlternateMode, the video-audio data of FullHD or more than 4K image quality can be transmitted), also the transmission line namely in the utility model is audio-visual transmission line or data line, in the present embodiment, the interface of this electrical connector 4 illustrates with HDMI,
One circuit board 5, it is inner that this circuit board 5 is arranged at this connector shell 3;
One wavelength-division multitask optical secondary module 6, it is inner that this wavelength-division multitask optical secondary module 6 is arranged at connector shell 3, and this wavelength-division multitask optical secondary module 6 is electrically connected with circuit board 5, in order to pass through WDM (WavelengthDivisionMultiplexing, wavelength-division multitask) multipath light signal concentrates in single bar fibre circuit and transmits by technology, as shown in Figure 4, this wavelength-division multitask optical secondary module 6 is provided with an optical fiber interface 61, as sleeve pipe (ferrule), at least two optical transceiver cells 62 and at least one WDM optical filter 63 is provided with in this wavelength-division multitask optical secondary module 6, wherein, respectively this optical transceiver cell 62 belongs to prior art and non-this case technical characteristic with WDM optical filter 63 in order to the concrete configuration mode realizing wavelength-division multitask, specifically can with reference to the content disclosed in Chinese patent notification number CN204334582U " optical transceiver of single hole multi-path ", repeat no more in this,
At this, described optical transceiver cell 62 specifically possesses cap (cap) encapsulating structure, if the photocell (as VCSEL) of TO-CAN encapsulating structure or light receiving element are (as photodiode, PhotoDiode), the quantity of this optical transceiver cell 62 can be adjusted change according to the interface specification of transmission line again, with HDMI transmission line, the quantity of this optical transceiver cell 62 is 4, with the corresponding TMDS0 of difference, TMDS1, TMDS2 and frequency (Clock) control signal, if for the transmission line of USB3.X, 2 optical transceiver cells 62 are then only needed to be responsible for respectively receiving and launching in this wavelength-division multitask optical secondary module 6, in addition, though this optical transceiver cell 62 can increase expansion arbitrarily with the quantity of WDM optical filter 63 in theory, but during actual enforcement, consider the factor such as size and packaging cost of this wavelength-division multitask optical secondary module 6, the quantity of this optical transceiver cell 62 is still best with 2 ~ 4, this restricted number still can meet the demand on the various audio-visual or data transmission standard of the utility model, therefore the feasibility that can not reduce or affect in the utility model enforcement,
One cable 7, this cable 7 connects the opposite side being such as fixed in connector shell 3, is provided with an optical fiber 71 in this cable 7, and this optical fiber 71 couples, in order to transmitting audio-video or data-signal mutually with the optical fiber interface 61 in this wavelength-division multitask optical secondary module 6;
In addition, at least one copper conductor 72 can be included further in this cable 7, in order to transmit other electric signal, this copper conductor 72 is electrically connected with circuit board 5, the quantity of this copper conductor 72 can according to actual demand adjustment configuration, for HDMI transmission line, this electric signal can comprise CEC (ConsumerElectronicsControl, consumer electronics controls) circuit, DDC (DisplayDataControl, display Data Control) circuit and HPD (HotPlugDetect, heat inserts detecting) circuit etc., also the transmission line namely in the utility model can be photoelectric mixed-mode, also can be the pattern only having merely optical fiber,
In addition, can one carry be, if consider bandwidth shared by its data of frequency control signal in HDMI video-audio signal in fact much smaller than bandwidth shared by the signal such as grade of TMDS0 ~ 2, therefore in a feasible embodiment, also the quantity (namely remaining 3) of 1 optical transceiver cell 62 can be reduced, increase a copper conductor 72 more simultaneously, transmit for this frequency control signal, so can have the effect reducing this wavelength-division multitask optical secondary module 6 inner member quantity and packaging cost concurrently;
As shown in Figure 3 and Figure 4, by the wavelength-division multitask optical secondary module 6 in the utility model, significantly can reduce optical fiber 71 use amount of transmission line, thus the situation that existing many optical fiber 15 can be avoided easily impaired because entwining, simultaneously this wavelength-division multitask optical secondary module 6 also more existing light engine 14 there is more ripe packaging technology and lower sealed in unit cost, and then make the utility model can reach the effect significantly reducing cost of products and improving product fiduciary level;
Be illustrated in figure 5 the second embodiment of the present utility model, wherein between this connector shell 3 with cable 7 for be removably connected (detachablyconnected), because the caliber size of connector shell 3 is usually large than the caliber size of cable 7, so plant the threading that structural design can facilitate cable 7, wiring waits installation operation, structurally, this can by respectively connector shell 3 with cable 7 is arranged corresponding joint portion 301 and realizes (such as nose bar and groove or snap fit and draw-in groove) with combined portion 701, its concrete structure is known by those skilled in the art, will not describe in detail at this, in addition, it should be noted that, compared to many optical fiber 15 in the active Connectorized fiber optic cabling 1 of existing HDMI, the utility model is by being simplified to 1 by the optical fiber 71 in cable 7, when making dismountable active optical cable, accuracy requirement and the technology difficulty of this optical fiber 71 and both wavelength-division multitask optical secondary modules 6 butt coupling can be reduced, and then significantly can reduce the cost of manufacture of product and improve the steady quality degree of product,
Be illustrated in figure 6 the 3rd embodiment of the present utility model, wherein there is a wavelength-division multitask light engine 6a in order to replace this wavelength-division multitask optical secondary module 6, this wavelength-division multitask light engine 6a inside is provided with an optical transceiver cell array be made up of at least two optical transceiver cell 62a and at least two WDM optical filters 63, because the present embodiment is still for HDMI transmission line, therefore illustrated 4 optical transceiver cell 62a at this, in fact this wavelength-division multitask light engine 6a has similar encapsulating structure to existing light engine 14, and the optical transceiver cell 62a of inside is also identical (specifically with the optical transceiver cell in existing light engine 14, be all the VCSEL or photodiode that do not possess TO-CAN encapsulating structure), the essential difference of itself and existing light engine 14 is that inside is provided with the WDM optical filter 63 as wavelength-division multitask optical secondary module 6, by this, this wavelength-division multitask light engine 6a equally only needs to arrange an optical fiber interface 61a, thus make the utility model also can realize the function that single bar optical fiber 71 transmits multipath light signal on the encapsulating structure of existing light engine 14, in addition, compared to wavelength-division multitask optical secondary module 6, although the sealed in unit that the wavelength-division multitask light engine 6a of the present embodiment uses costly, but component encapsulation density can be improved, thus nearly 12 optical transceiver cell 62a can be encapsulated easily, and then can significantly improve range of application of the present utility model and applicability.
Claims (10)
1. a transmission line structure, is characterized in that, comprises:
A connector housing, this connector shell side is installed with an electrical connector;
One circuit board, is arranged at this connector shell inner;
One wavelength-division multitask optical secondary module, be arranged at connector shell inside and be electrically connected with circuit board, this wavelength-division multitask optical secondary module is provided with an optical fiber interface, be provided with at least two optical transceiver cells and at least one WDM optical filter in this wavelength-division multitask optical secondary module, and this optical transceiver cell possesses cap encapsulating structure;
One cable, this cable is connected to the opposite side of connector shell, is provided with an optical fiber in this cable, and this optical fiber couples mutually with the optical fiber interface in this wavelength-division multitask optical secondary module.
2. transmission line structure according to claim 1, is characterized in that, the interface of this electrical connector meets the specification of HDMI, DisplayPort or USB3.X.
3. transmission line structure according to claim 1, is characterized in that, the quantity of this optical transceiver cell is 2 ~ 4.
4. transmission line structure according to claim 1, is characterized in that, includes at least one copper conductor further in this cable, and each copper conductor is all electrically connected with circuit board.
5. transmission line structure according to claim 1, is characterized in that, for be removably connected between this cable with connector shell.
6. a transmission line structure, is characterized in that, comprises:
A connector housing, this connector shell side is installed with an electrical connector;
One circuit board, is arranged at this connector shell inner;
One wavelength-division multitask light engine, be arranged at connector shell inside and be electrically connected with circuit board, this wavelength-division multitask light engine is provided with an optical fiber interface, and this wavelength-division multitask light engine inside is provided with an optical transceiver cell array be made up of at least two optical transceiver cells not possessing TO-CAN encapsulating structure and at least two WDM optical filters;
One cable, this cable is connected to the opposite side of connector shell, is provided with an optical fiber in this cable, and this optical fiber couples mutually with the optical fiber interface in this wavelength-division multitask optical secondary module.
7. transmission line structure according to claim 6, is characterized in that, the interface of this electrical connector meets the specification of HDMI, DisplayPort or USB3.X.
8. transmission line structure according to claim 6, is characterized in that, the quantity of this optical transceiver cell is 2 ~ 12.
9. transmission line structure according to claim 6, is characterized in that, includes at least one copper conductor further in this cable, and each copper conductor is all electrically connected with circuit board.
10. transmission line structure according to claim 6, is characterized in that, for be removably connected between this cable with connector shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520843624.XU CN205139428U (en) | 2015-10-28 | 2015-10-28 | Transmission line structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520843624.XU CN205139428U (en) | 2015-10-28 | 2015-10-28 | Transmission line structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205139428U true CN205139428U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520843624.XU Expired - Fee Related CN205139428U (en) | 2015-10-28 | 2015-10-28 | Transmission line structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN205139428U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106657941A (en) * | 2016-12-28 | 2017-05-10 | 深圳市巨潮科技股份有限公司 | Photoelectric hybrid DisplayPort long-distance transmission device and method |
| WO2021006207A1 (en) * | 2019-07-05 | 2021-01-14 | 日東電工株式会社 | Optical cable laying construction method and optical cable laying construction set |
| CN114096904A (en) * | 2019-07-05 | 2022-02-25 | 日东电工株式会社 | Optical cable laying construction method and optical cable laying construction assembly |
| US11719901B2 (en) | 2019-09-30 | 2023-08-08 | Corning Research & Development Corporation | Dense wavelength division multiplexing fiber optic apparatuses and related equipment |
-
2015
- 2015-10-28 CN CN201520843624.XU patent/CN205139428U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106657941A (en) * | 2016-12-28 | 2017-05-10 | 深圳市巨潮科技股份有限公司 | Photoelectric hybrid DisplayPort long-distance transmission device and method |
| CN106657941B (en) * | 2016-12-28 | 2023-06-02 | 深圳市巨潮科技股份有限公司 | Photoelectric hybrid DisplayPort remote transmission device and method |
| WO2021006207A1 (en) * | 2019-07-05 | 2021-01-14 | 日東電工株式会社 | Optical cable laying construction method and optical cable laying construction set |
| CN114096904A (en) * | 2019-07-05 | 2022-02-25 | 日东电工株式会社 | Optical cable laying construction method and optical cable laying construction assembly |
| JP7471937B2 (en) | 2019-07-05 | 2024-04-22 | 日東電工株式会社 | Optical cable installation method and optical cable installation set |
| US11982852B2 (en) | 2019-07-05 | 2024-05-14 | Nitto Denko Corporation | Optical cable laying construction method and optical cable laying construction set |
| US11719901B2 (en) | 2019-09-30 | 2023-08-08 | Corning Research & Development Corporation | Dense wavelength division multiplexing fiber optic apparatuses and related equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20181028 |