WO2004031823A1 - 光コンセント - Google Patents
光コンセント Download PDFInfo
- Publication number
- WO2004031823A1 WO2004031823A1 PCT/JP2003/012645 JP0312645W WO2004031823A1 WO 2004031823 A1 WO2004031823 A1 WO 2004031823A1 JP 0312645 W JP0312645 W JP 0312645W WO 2004031823 A1 WO2004031823 A1 WO 2004031823A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optical
- connector
- insertion portion
- connector insertion
- receptacle
- Prior art date
Links
Classifications
-
- 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
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3826—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape
- G02B6/3827—Wrap-back connectors, i.e. containing a fibre having an U shape
-
- 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
- G02B6/241—Light guide terminations
-
- 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
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3897—Connectors fixed to housings, casing, frames or circuit boards
-
- 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
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
- G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes
Definitions
- the present invention relates to an optical outlet to which an optical fiber cable or the like terminated by an optical connector is connected.
- FTH Fiber To The Home
- an optical fiber cable extending from an optical fiber housing facility constructed by the FTTH operator is drawn into the user's premises and connected directly or as necessary to a media converter or a line terminating device called ONU, etc. It is configured to convert to electrical signals and then connect to a computer or the like.
- the optical fiber When installing a line termination device, etc. in a living room, the optical fiber is pulled out from the room wall, cut to the required length to the installation location of the line termination device, etc., terminated with an optical connector, and then terminated. Connected to the optical receptacle.
- a round hole is provided in the wiring device plate provided on the living room wall, or a telephone chip having a through hole is provided on the living room wall. It was common to draw an optical fiber through a round hole.
- the optical fiber extending from the outdoor optical fiber storage facility is directly drawn into the line termination equipment and connected, so the installation position of the line termination equipment etc. must be determined in advance in the existing house. This is good for optical fiber connection work.
- it is not possible to determine the installation location of the line terminating equipment etc. There was a problem that proper wiring could not be performed because the length of the fiber could not be determined.
- the length of the optical fiber drawn from the wall cannot be determined. If the optical fiber is too short, it will not reach the line terminator, etc., and it will not be possible to connect. When bundled together, the fiber core of the glass was sometimes broken and communication became impossible.
- the optical fiber that is drawn into the living room is easily damaged by being stepped on or bent by people, and is a site where disconnection accidents can occur. If the cable breaks in the living room, it cannot be separated from the optical fiber that penetrates through the wall and extends to the outside with the conventional method. There was a maintenance problem that required extensive replacement work.
- an optical fiber outlet (optical outlet) is provided at the place where the optical fiber is drawn out, the optical fiber drawn into the wall from outside is received by the optical outlet, and the line terminating device and the like provided in the living room and the optical outlet are provided. It is conceivable that the cable can be detachably connected to the cable using an arbitrary length of optical patch cord.
- conventional optical outlets there are embedded optical outlets disclosed in Japanese Patent Application Laid-open No. Hei 1-297640, and optical fibers disclosed in Japanese Patent Application Laid-Open No. 63-257701. One-way wiring devices are known.
- optical fiber cables routed inside the wall must be connected to these optical connectors or optical repeater adapters at right angles or at a certain angle to the wall. No. Therefore, the optical fiber cable routed inside the wall had to be bent sharply inside the wall and routed in the narrow space inside the wall.
- the present invention has been made in view of the above-described circumstances, and is suitable for FTTH which enables wiring in a narrow space in a wall without difficulty even for a quartz optical fiber having a severe limitation in bending radius.
- the purpose is to provide optical outlets.
- the present invention provides a body mounted on an indoor wall surface via a wiring device mounting frame, and a device side provided on a front side of the body and connected to an optical connector for device connection from the room side from the indoor side.
- An optical receptacle provided on the back side of the body, and connected to an optical connector for connecting the main line extending inside the wall to extend the main optical fiber, and a main optical receptacle connected to the device-side optical receptacle and the main optical receptacle; And a signal transmission means for transmitting a signal between them.
- the device-side optical receptacle and the trunk-side optical receptacle are separated and independent, so that there is no restriction on the connection angle of the optical fiber to the device-side optical receptacle.
- Connection angle of optical connector for main line connection by receptacle Can be set arbitrarily. Therefore, it is possible to freely design the trunk side optical fiber extending from the optical connector for trunk line connection so as not to bend sharply in the wall.
- the present invention is characterized in that an optical receptacle compatible with an SC connector is used for the device-side optical receptacle and the trunk-side optical receptacle.
- the SC connector which is most widely used as an optical connector for use in line termination equipment for FTTH services for general homes, can be used as it is, and versatility is improved.
- users can easily connect between the equipment-side optical receptacle and a line terminator called ONU or media converter using a commercially available SC-type optical patch cord. Inexpensive and flexible response to equipment layout changes.
- optical fiber core or an optical fiber as the signal transmission means. It is preferable to use an optical fiber core or an optical fiber as the signal transmission means. As a result, component costs can be reduced and a simple and compact assembly is possible.
- the body has an internal space in which the optical fiber core or the optical fiber as the signal transmission means connected to the device-side optical receptacle and the trunk-side optical receptacle, respectively, can be bent and housed. It is preferable to have.
- Optical fibers or optical fibers are thin and flexible and have a small minimum bending radius because structures such as high-strength materials and sheaths such as optical fiber cables and optical fiber cords used for outdoor and indoor wiring are omitted. . Therefore, the body can be downsized, and even in a narrow space inside the downsized body, the positions of the device-side optical receptacle and the trunk-side optical receptacle are not limited, and each of these optical receptacles is not limited. It becomes possible to connect between receptacles.
- the optical connector of the present invention When the optical connector of the present invention is used for the FTTH described above, it is preferable to use a silica single-mode optical fiber core or a silica single-mode optical fiber.
- the present invention is configured such that a signal converter capable of mutually converting an optical signal and an electric signal is used for the signal transmission means, and an electric signal is transmitted between the device-side optical receptacle and the trunk-side optical receptacle. You can also.
- each optical receptacle is almost unlimited, as compared with the case where an optical fiber or the like is used for signal transmission between the optical receptacles, and an effect that the body can be made thinner can be achieved. Also, when transmitting a signal inside the body, the signal passes through an electrical signal once, so it is easy to amplify and shape the waveform using a simple electronic circuit, and it has a relay amplification function for the attenuated optical signal for long distance transmission. It is possible to flexibly cope with a design suitable for an optical access line that requires a.
- optical fibers connected to each optical receptacle include: It is also possible to use POF which is easy to handle.
- the signal after converting the optical signal into an electric signal in the body, the signal can be branched and combined using an electronic circuit. It is also possible to provide multiple device-side optical receptacles for the line (trunk-side optical receptacle) and input and output multiple optical signals.
- optical outlet of the present invention can be configured as follows.
- a shutter that extends below the device-side optical receptacle is provided inside the connector insertion portion, and the light beam emitted from the device-side optical receptacle is blocked by this shutter.
- the shirt beam blocks the light beam emitted from the device-side optical receptacle. Does not enter the child's eyes, improving safety You.
- the shutter is made of a shape memory alloy or an alloy such as stainless steel having a high spring characteristic, and is restored to a position where the light beam emitted from the device-side optical receptacle is interrupted at room temperature.
- the optical connector for device connection to be inserted into the connector insertion section has a resin connector body
- the shutter is configured to abut on the connector body inserted into the connector insertion portion and bend.
- a confirmation window is provided on the front wall of the connector insertion part so that the optical connector for device connection inserted into the connector insertion part can be visually recognized.
- the confirmation window allows the user to insert the connector into the connector while confirming the position of the optical connector for device connection.This ensures accurate and smooth connection to the device-side optical receptacle provided in the connector insertion portion. It becomes possible.
- the connector insertion part shall be provided with a protective pushing that can be inserted and removed from the opening.
- this protective pushing closes the opening of the connector insertion portion, thereby preventing dust from entering.
- the protective pushing has a pushing body and a knob extending from the pushing body.
- the knob portion is configured to be exposed downward from the opening of the connector insertion portion when the protective pushing is mounted on the connector insertion portion.
- the protective pushing is reduced. It can be easily removed.
- the pushing body and the knob are integrally formed of a thermoplastic resin, and an elastic member such as rubber or thermoplastic elastomer which elastically comes into close contact with the inner wall of the connector insertion portion on the outer periphery of the pushing body. It is possible to adopt a configuration in which a sealing portion made of
- this sealed portion can be in close contact with the inner wall of the connector insertion portion and close the connector insertion portion without any gap. It is possible to reliably prevent even fine dust from entering.
- the protective cover By providing the protective cover in this way, there is no danger that anything will contact the knob portion of the protective pusher exposed from the opening, and the mounted state of the protective pusher can be maintained for a long time. For example, it is possible to prevent the possibility that the protective pushing will fall off due to children's mischief.
- the protective cover shall be configured to cover the connector body exposed from the opening of the connector insertion part when the optical connector for device connection is inserted into the connector insertion part.
- the protective force par can also have a function to prevent the connector body from being pulled out while the optical connector for device connection is connected. With this configuration, the optical connector for device connection can be used. Can be prevented from being unintentionally dropped.
- a detachable cleaning adapter is provided at the connector insertion portion, and the cleaning adapter is mounted on the connector insertion portion and is positioned in the same straight line as the light conducting portion of the device-side optical receptacle.
- the through hole has a stick-shaped The structure is such that the lina can be communicated from the outside.
- the cleaning adapter to the connector insertion part and inserting a stick-shaped cleaner through the through hole of the adapter, the through hole is positioned on the same straight line as the light conducting part of the device-side optical receptacle.
- the cleaner can be accurately guided to the light conducting portion and easily cleaned.
- a protection member is provided at a position facing the opening of the connector insertion portion so that the protection member can come and go.
- a protective bushing that can be removed from the opening at the connector insertion part is provided, and the protection member supports the protection pusher inserted into the connector insertion part from below to prevent it from falling out of the connector insertion part.
- the optical signals input from the trunk-side optical receptacle are distributed and output to multiple device-side optical receptacles, and the multiple optical signals input from multiple device-side optical connectors are mixed and output to the trunk-side optical connector. Configuration.
- a splitter optical splitter
- ⁇ In addition to having multiple device-side optical receptacles,
- the multiplexed optical signal input from the trunk-side optical receptacle is separated and output to multiple device-side optical receptacles with different transmission types, and multiple optical signals input from multiple device-side optical connectors are output. Then, it is configured to combine and output to the trunk side optical connector.
- a WDM optical demultiplexer
- a WDM optical demultiplexer
- FIG. 1A is a diagram showing an optical outlet according to the first embodiment of the present invention, and more specifically, a front view showing the optical outlet mounted on a wiring device mounting frame and mounted on a wall surface.
- FIG. 1B is also a side view.
- FIG. 1C is a side sectional view of the same.
- FIG. 2A is a diagram showing an optical outlet according to a second embodiment of the present invention, and more specifically, a front view showing the optical outlet mounted on a wiring device mounting frame and mounted on a wall.
- FIG. 2B is also a perspective view.
- FIG. 2C is a side sectional view of the same.
- FIG. 3A is a diagram showing an optical outlet according to a third embodiment of the present invention, and more specifically, a front view showing the optical outlet mounted on a wiring device mounting frame and mounted on a wall.
- FIG. 3B is also a side view.
- FIG. 3C is a side sectional view of the same.
- FIG. 4A is a front view showing an optical outlet according to a fourth embodiment of the present invention.
- FIG. 4B is also a bottom view.
- FIG. 4C is a side sectional view of the same.
- FIG. 5 is a side sectional view showing an optical outlet according to a fifth embodiment of the present invention.
- FIG. 6 is a side sectional view showing, in an enlarged manner, the function of a shirt provided in an optical outlet according to a fifth embodiment of the present invention.
- FIG. 7 is a front view showing a confirmation window provided in an optical outlet according to a fifth embodiment of the present invention.
- FIG. 8 is a sectional side view for explaining a protective pushing provided in an optical outlet according to a fifth embodiment of the present invention.
- FIG. 9A is a front view showing the protective pushing.
- FIG. 9B is also a left side view.
- FIG. 9C is also a right side view.
- FIG. 9D is also a bottom view.
- FIG. 9E is a sectional view taken along line AA of FIG. 9A.
- FIG. 9F is a sectional view taken along line BB of FIG. 9D.
- FIGS. 10A and 10B are front views showing the optical outlet with the protective cover attached.
- FIG. 1 OC is a front view of the protective cover.
- Figure 1 OD is a bottom view of the protective cover.
- FIG. 11 is a side sectional view showing a cleaning adapter provided in an optical outlet according to a fifth embodiment of the present invention.
- FIG. 12A is a front view showing a tally-engaging adapter.
- FIG. 12B is also a left side view.
- FIG. 12C is also a right side view.
- FIG. 12D is also a bottom view.
- FIG. 12E is a sectional view taken along line CC of FIG. 9A.
- FIG. 12F is a cross-sectional view taken along line DD of FIG. 9D.
- FIGS. 13 and 14 are side sectional views showing an optical outlet according to a sixth embodiment of the present invention.
- FIG. 15 is a side sectional view showing an optical outlet according to a seventh embodiment of the present invention.
- FIG. 16 is a side sectional view showing an optical outlet having a configuration in which the main optical receptacle is omitted.
- FIGS. 1A to 1C are views showing an optical outlet according to the first embodiment of the present invention.
- the optical outlet includes a pod 10, a device-side optical receptacle 11, a trunk-side optical receptacle 12, and a relay optical fiber 13 as a signal transmission means.
- the body 10 is detachable from the standardized existing wiring device mounting frame 1 like an outlet switch.
- an engaging portion (not shown) for engaging with the wiring device mounting frame 1 is formed on the periphery of the body 10, and a hollow portion 10 a is formed inside the body 10.
- a device-side connector insertion portion 10b penetrating vertically is formed on the front wall surface of the body 10.
- a device-side optical receptacle 11 is provided inside the device-side connector insertion portion 10b. It is arranged.
- a trunk connector insertion portion 10c penetrating vertically is formed on the rear wall surface of the body 10, and the trunk optical connector 1c is provided inside the trunk connector insertion portion 10c. Two are arranged.
- the device-side optical receptacle 11 and the trunk-side optical receptacle 12 are connected by a relay optical fiber 13.
- a device-side optical fiber 2 is connected to the device-side optical receptacle 11 from below along the interior wall 100, and a trunk-side optical fiber 4 is connected to the trunk-side optical receptacle 12 along the interior wall 100.
- the device side optical receptacle 1 1 and the trunk line The side optical receptacles 12 are both compatible with SC connectors, which are the most widely used optical connectors used in line terminators for FTTH services for general homes.
- SC connector 3 optical connector for device connection
- the device-side optical fiber 2 connected to the device-side optical receptacle 11 is, of course, not limited to a commercially available optical patch cord.
- the main optical fiber 4 connected to the main optical receptacle 12 can be terminated with the versatile SC connector 5 (optical connector for main line connection), it can be easily processed without using special tools.
- the connection work to the trunk-side optical receptacle 12 can be performed.
- a silica-based single-mode optical fiber is generally used as the trunk-side optical fiber 4 connected to the trunk-side optical receptacle 12.
- a silica-based single-mode optical fiber core wire or a silica-based single-mode optical fiber strand is used as the relay optical fiber 13.
- the relay optical fiber 13 provided in the body 10 is not subjected to stress such as tension, twist, bending, compression, etc. due to external force, it can be used for outdoor or indoor wiring. No need for materials and sheaths. Therefore, it is possible to transmit an optical signal using a thin, flexible and simple optical fiber or an optical fiber without attenuating the optical signal.
- some silica-based single-mode optical fiber cores called “buffer lines” have a bending radius of 2 Omm, and by using this as a relay optical fiber 13, the body 10 can be enlarged.
- the device-side optical receptacle 11 and the trunk-side optical receptacle 12 can be connected in the hollow portion 10a without being formed. Both ends of the relay optical fiber 13 are connected to the device-side optical receptacle 11 and the trunk-side optical receptacle 12 via the ferrules 14 and 15, respectively.
- the hollow portion 10a of the body 10 has a thickness that allows the relay optical fiber 13 to be disposed in a curved state. Secured. However, the thickness of the hollow portion 10a can be reduced by using a silica single-mode optical fiber core wire or a silica single-mode optical fiber strand having a small bending radius for the relay optical fiber 13.
- a decorative plate 6 is detachably mounted on the front side of the wiring device mounting frame 1, and the decorative plate 6 covers the body 10 of the optical outlet except for a connection portion of the device-side optical fiber 2.
- an embedded artet box 7 is embedded inside the interior wall 100 on which the wiring device mounting frame 1 is mounted.
- the trunk optical fiber 4 drawn into the indoor wall 100 connects the SC connector 5 provided at the end thereof to the trunk optical receptacle 12 from below.
- the device provided in the room and the optical outlet of the present embodiment are connected by the device-side optical fiber 2. That is, the device-side optical fiber 2 connects the SC connector 3 provided at the end thereof to the device-side optical receptacle 11 from below.
- the connection work of these optical fibers 2 and 4 can be easily performed with one touch.
- the optical signal incident from the trunk-side optical receptacle 12 passes through the ferrule 15, is guided to the curved relay optical fiber 13, and is transmitted through the ferrule 14 to the device-side optical receptacle 11.
- the optical signal from the device that enters the device-side optical receptacle 11 passes through the ferrule 14, the relay optical fiber 13, and the ferrule 15, and is transmitted to the trunk-side optical receptacle 12, and is bi-directional. Optical communication is performed without any trouble.
- the trunk-side optical receptacle 12 has a configuration in which the trunk-side optical fiber 4 is connected from below along the indoor wall 100, the trunk-side optical fiber 4 rapidly passes through a narrow space in the wall. It can be routed freely without bending. In addition, there is no risk that dew condensation or the like behind the wall will enter the body 10 through the optical fiber 4 on the trunk line side, and it is possible to guarantee long-term durability even in a highly airtight apartment house.
- the device-side optical receptacle 11 is also configured to connect the device-side optical fiber 2 from below, so that the device-side optical fiber 2 can be routed neatly in the living room and finished in a good appearance. it can.
- the device-side optical fiber 2 is placed along the indoor wall 100. Since it can be pulled down, it is possible to form a safe wiring state with less danger of tripping or hooking.
- the device-side optical fiber 2 in the living room breaks, it can be easily replaced by the end user himself, making delicate silica-based optical fiber practical even for professionals and ordinary homes. It can be handled.
- the device-side optical receptacle 11 is provided with the receiving port of the device-side optical fiber 2 facing downward, accumulation of dust and intrusion of droplets can be suppressed.
- FIGS. 1A to 1C are views showing an optical outlet according to a second embodiment of the present invention.
- the same or corresponding parts as those shown in FIGS. 1A to 1C are denoted by the same reference numerals.
- the optical outlet of the present embodiment has a configuration in which the main optical receptacle 12 is provided on the back side of the body 10 so as to be inclined with respect to the vertical line.
- the trunk-side optical receptacle 12 is disposed substantially parallel to the interior wall 100, so that the trunk-side optical fiber 4 can be routed along the interior wall 100.
- a large rectangular box having an internal space in which the trunk-side optical fiber 4 can be swung and stored is used as the embedded artet box 7 embedded on the back side of the indoor wall 100.
- the optical outlet of the present embodiment even if the trunk optical fiber 4 that is drawn in along the indoor wall 100 has an extra length, the wiring work is not performed again, and The extra length processing can be performed in the embedded artet box 7, and the wiring work becomes easier at any time.
- the body 10 is formed in the size of a ready-made three-module wiring device, and the wiring device mounting frame 1 can arbitrarily connect the body 10 of the optical outlet according to the present embodiment and another wiring device. Available as a combination.
- two cables are A modular telephone outlet 20 for a analog telephone and a body 10 of the optical outlet according to the present embodiment are provided side by side.
- FIGS. 1A to 1C are views showing an optical outlet according to a third embodiment of the present invention. Also in these figures, the same or corresponding parts as those shown in FIGS. 1A to 1C are denoted by the same reference numerals.
- the optical outlet includes a ready-made two-module wiring apparatus-sized body 10, a device-side optical receptacle 11, a trunk-side optical receptacle 12, and a relay optical fiber 13 as signal transmission means. It is built-in.
- the body 10 of the optical outlet according to the present embodiment and one of the other wiring devices can be mounted on the wiring device mounting frame 1.
- the analog telephone modular is attached to the wiring device mounting frame 1.
- the outlet 20 and the optical outlet according to the present embodiment are provided together, the required work can be simplified.
- one of the existing modular telephone outlets for analog telephone lines is removed by using the wiring fixture mounting frame 1 for mounting two modules provided in the existing house, and the optical outlet according to the present embodiment is replaced with the optical outlet according to the present embodiment.
- FIGS. 1A to 1C are views showing an optical outlet according to a fourth embodiment of the present invention. Also in these figures, the same or corresponding parts as those shown in FIGS. 1A to 1C are denoted by the same reference numerals.
- the optical receptacle according to the present embodiment is provided with a signal transmission means for transmitting a signal between the device-side optical receptacle 11 and the trunk-side optical receptacle 12, and an optical Z-electrical device capable of mutually converting an optical signal and an electric signal.
- a signal transmission means for transmitting a signal between the device-side optical receptacle 11 and the trunk-side optical receptacle 12, and an optical Z-electrical device capable of mutually converting an optical signal and an electric signal.
- O / E converter the converter
- the OZE converter 31 is formed integrally with the device-side optical receptacle 11, while the O / E converter 32 is formed integrally with the trunk-side optical receptacle 12.
- Each of the O / E converters 31 and 32 is connected by a conducting wire 33.
- the optical signal incident from the device-side optical fiber 2 or the trunk-side optical fiber 4 is converted into an electrical signal by the OZE converter 31 or 32, and the other O / E converter is passed through the conductor 33.
- the signal is transmitted to 32 or 31 and converted into a reproduced light signal.
- the optical receptacles 11 and 12 are moved to the appropriate positions regardless of their relative positions. Can be arranged.
- the OZE converters 31 and 32 generally have a built-in relay amplifier function, they are electrically amplified even if the optical signal incident from the trunk optical fiber 4 is attenuated by long-distance transmission. ⁇ It can be shaped, and the enhanced optical signal can be output to the device-side optical fiber 2. The same amplifying action also works for transmission in the opposite direction.
- a multiplexing modulation / demodulation circuit 34 between the OZE converters 31 and 32, a plurality of device-side optical receptacles 11 are provided and transmitted from the plurality of device-side optical receptacles 11.
- the multiplexed signal can be multiplexed and transmitted by being superimposed on the trunk-side optical receptacle 12.
- optical outlet will be required for each application. From multiple outlets provided to multiple optical communication devices The signal can be distributed and connected.
- FIGS. 5 to 12F are views showing an optical outlet according to a fifth embodiment of the present invention. Also in these figures, the same or corresponding parts as those shown in FIGS. 1A to 1C are denoted by the same reference numerals.
- the optical outlet according to the present embodiment is provided with a flexible thin-plated shutter 40 inside the device-side connector insertion portion 10b.
- the shirt 40 has a base 40 a fixed to the back of the device-side optical receptacle 11, and an intermediate part 40 b extending from the base 40 a. S, it is arranged at a position below the ferrule 14 (light conducting portion) connected to the device-side optical receptacle 11, that is, at a position where the light beam emitted from the ferrule 14 is blocked.
- the shirt 40 is made of a shape memory alloy, and is adjusted to return to the position at normal temperature.
- the SC connector 3 which is an optical connector for device connection
- a connector body 3a that forms an outer frame of the SC connector 3 is formed. Abuts on the shirt 40 and deflects it to the rear.
- the SC connector 3 can be connected to the device-side optical receptacle 11 without the shutter 40 coming into contact with the ferrule 3b (light conducting member) exposed from the SC connector 3.
- FIG. 6C shows a state where the SC connector 3 is properly connected to the device-side optical receptacle 11.
- a confirmation window 41 made of transparent plastic is provided on the front wall of the device-side connector insertion portion 10b.
- a confirmation window 41 is provided in a range from the lower end of the device-side connector insertion portion 10b to a predetermined height, and the SC connector 3 inserted into the device-side connector insertion portion 10b is connected. It can be seen through the confirmation window 41.
- the SC connector 3 is exactly the same so that the ferrule 3 b attached to the central shaft is coaxial with the ferrule 14 (light conducting portion) connected to the device-side optical receptacle 11. It must be connected to the optical receptacle 11.
- the confirmation window 41 is provided so that the inside of the device-side connector insertion portion 10b can be visually recognized.
- the connector body 3a of the SC connector 3 has a connection confirmation mark 3c formed at a predetermined position (see FIGS. 7A and 7B).
- a connection confirmation mark 3c formed at a predetermined position (see FIGS. 7A and 7B).
- the mark 3c can be confirmed through the confirmation window 41.
- the confirmation window 41 for example, the upper edge of the confirmation window 41 can be set as a position that ensures an appropriate connection state. That is, when the mark 3c is inserted above the upper edge of the confirmation window 41 and becomes invisible from the confirmation window 41, the SC connector 3 is properly connected to the device-side optical receptacle 11. You can.
- the guide groove 1 has a guide groove 1 lb for mounting the SC connector 3 properly, and the protrusion 3 d formed on the SC connector 3 It is configured to be fitted in accordance with the guide groove 11b.
- the optical outlet of the present embodiment is provided with a removable protection pushing 50 in the device-side connector insertion portion 10b.
- the protection pusher 50 has a knob 51a extending from the pusher main body 51 and a resilient sealing portion 52 on the outer periphery of the pusher main body 51. It is configured to protrude.
- the pushing body 51 and the knob 51a are integrally formed of a thermoplastic resin
- the sealing portion 52 is formed of an elastic member such as rubber or thermoplastic elastomer. It is fitted outside.
- a sleeve 11a made of a metal tube is built in the optical receptacle 11 on the device side, and the ferrule 14 (light conducting portion) is held by the sleeve 11a ( See Figure 8).
- the distal end portion 51b of the pushing body 51 has a dimension and shape that fits into the sleeve 11a of the device-side optical receptacle 11 when inserted into the device-side connector insertion portion 1Ob.
- the sealing portion 52 is set to have a dimensional shape so as to be in close contact with the inner wall of the device-side connector insertion portion 10b without any gap.
- the knob 5 la is set to have such a size that it is exposed downward from the opening of the device-side connector insertion portion 10 b when the protective pushing 50 is attached to the device-side connector insertion portion 10 b. is there.
- the protective pushing 50 closes the opening of the device-side connector insertion portion 10b to prevent dust from entering inside. it can.
- the protective power par 60 is detachable on the front side of the body 10 and below the opening of the device-side connector insertion portion 10b (see FIG. 1 OA, see Figure 10B).
- the protective cover 60 has a bent shape as shown in FIGS. 10C and 10D, and is attached to the body 10 with fasteners 61 such as screws. As shown in Fig.1OA, this protective cover 60 is provided with the knob 51a of the protective pushing 50 attached to the device-side connector insertion portion 10b (exposed through the opening of the device-side connector insertion portion 10b). It has the function of covering
- the protective cover 60 is attached to the device body 3a as shown in Fig. 10 (b). Cover the portion exposed from the opening of the side connector insertion portion 10b. Therefore, unintended dropout of the SC connector 3 can be prevented.
- the device-side connector insertion portion 10b is provided with a detachable cleaning adapter 70.
- the cleaning adapter 70 has a fitting part 71 to the sleeve 11a at the tip and a connector part 10b to the device side connector 10b at the middle part.
- a mounting portion 72 is formed, and a knob portion 73 extends from the base end. Further, a through hole 74 is formed in the central axis of the cleaning adapter 70.
- the mounting portion 72 is connected to the device side connector.
- the fitting portion 71 at the tip fits into the sleep 11a of the device-side optical receptacle 11.
- the through hole 74 is positioned on the same straight line as the ferrule 14.
- the through hole 74 has an inner diameter through which a stick-shaped cleaner 75 dedicated to an optical connector can be inserted, so that the cleaner 75 can contact the end face of the ferrule 14 through the through hole. I have. Therefore, the cleaner 75 can be guided to the end face of the ferrule 14 using the through hole 74 as a guide passage, so that the ferrule 14 can be easily cleaned.
- the size of the knob 73 is set so as to be exposed from the opening of the device-side connector insertion portion 10b.Therefore, after the cleaning is completed, the knob 73 can be easily pulled out by pulling the knob 73. Can be removed.
- FIG. 13 and FIG. 14 are views showing an optical outlet according to the sixth embodiment of the present invention.
- the same or corresponding parts as those in FIGS. 5 to 12 described above are denoted by the same reference numerals.
- the optical outlet according to the present embodiment also includes a removable protection pushing 50 in the device-side connector insertion portion 10b, as in the fifth embodiment.
- the protection pushing 50 has the configuration shown in FIGS. 9A to 9F.
- a plate-shaped protection member 80 is provided, which can freely come and go in the opening of the device side connector insertion portion 10b.
- the protection member 80 is movable in the front-rear direction along a guide formed on the inner bottom of the body 10, and its base end is urged by an urging member 81 such as a coil spring.
- the protection member 80 protrudes to a position facing the opening of the device-side connector insertion portion 10b by the urging force of the urging member 81.
- a latch mechanism 82 is incorporated between the inner wall of the body along the guide and the base end of the protection member.
- This latch mechanism 82 is provided with a protective member 80 inside the body. When pushed in, the protection member 80 is locked at a position slightly moved forward from the pushed-in position (see FIG. 14). In this state, the protection member 80 is retracted from a position facing the opening of the device-side connector insertion portion 10b.
- the latch mechanism 82 having such a function for example, the latch device disclosed in Japanese Utility Model Laid-Open Publication No. 63-165076 can be applied.
- the protection member 80 supports the lower end of the protection pushing 50 attached to the device-side connector insertion portion 10b to prevent the pushing 50 from coming off.
- the protection pusher 50 To remove the protection pusher 50 from the device-side connector insertion portion 10b, push in the protection member 80. In this pushed-in state, it becomes possible to remove the protective pushing 50 and insert the SC connector into the device-side connector insertion portion 10b.
- FIG. 14 is a diagram showing an optical outlet according to a seventh embodiment of the present invention.
- the same or corresponding parts as those in FIG. 1C described above are denoted by the same reference numerals.
- a splitter (optical branching device) 90 is provided at an intermediate portion between the device-side optical receptacle 11 and the trunk-side optical receptacle 12.
- a splitter has a function of distributing an optical signal transmitted by an optical fiber into a plurality of signals. That is, an optical signal transmitted by one optical fiber can be distributed to a plurality of optical fibers by a splitter and transmitted.
- an optical fiber cable extending from the optical fiber housing facility of the FTTH operator is drawn into the user's premises, connected to a media converter or a line terminator called ONU, etc., and converted from optical signals to electrical signals. It is configured to connect to computers, telephones, television receivers, etc.
- Line termination devices are generally provided individually for each type of transmission signal, such as an Internet connection and a line termination device (ONU) for telephone and fax (so-called POTS), and a line termination for video transmission.
- ONU line termination device
- POTS telephone and fax
- V-ONU device
- V-ONU device
- a line termination device and the like were housed together with a splitter (optical splitter) and a WMD (optical splitter). Then, an optical fiber cable is led into the cabinet to distribute and demultiplex the optical signal, convert the optical signal into an electric signal, and transmit the required signal to each room in the dwelling unit in the form of the electric signal. It was configured to send.
- the splitter since the splitter is built in the optical outlet installed in each room in the house, the user can select the type of optical communication service used in each room. You only need to prepare a line termination device and connect it to an optical outlet. light When it becomes necessary to update the line termination equipment in response to the increase in the speed of communication services or additional changes in the services provided, the equipment can be easily updated simply by removing it from the optical outlet.
- one trunk-side optical receptacle 12 and a plurality of device-side optical receptacles 11, 11,... are built in the body 10.
- the trunk-side optical receptacle 12 and the splitter 90 are connected by one relay optical fiber 13a.
- a plurality of device-side optical receptacles 11, splitters 90, and power are connected by relay optical fibers 13b and 13 respectively.
- the optical signal transmitted from the trunk-side optical receptacle 12 is distributed by the splitter 90 and output to a plurality of relay optical fibers 13b, 13b,..., Each of which has a plurality of device-side optical receptacles. 1 1, 1 1 ⁇ ⁇ '.
- the optical signals input to the device-side optical receptacles 11 1, 11 1 ′ are mixed by the splitter 90 and transmitted to the trunk-side receptacle 12 via the relay optical fiber 13 a. .
- the splitter can be replaced by a WDM (demultiplexer).
- WDM has a function of demultiplexing a multiplexed optical signal transmitted by an optical fiber according to its wavelength.
- the multiplexed optical signal transmitted from the trunk-side optical receptacle 12 is demultiplexed according to the wavelength by the WDM, and transmitted through a plurality of relay optical fibers 13b, 13b. Are transmitted to multiple device-side optical receptacles 11 with different transmission types.
- the optical signals input to the device-side optical receptacles 11, 11, ⁇ are combined by WDM and transmitted to the trunk-side receptacle 12 via the relay optical fiber 13a.
- the O / E converters 31 and 32 shown in the fourth embodiment can be incorporated in addition to the splitter WDM.
- the optical outlets according to the above-described fifth and sixth embodiments may have the following configuration by omitting the main optical connector 12.
- the SC connector 5 of the trunk line optical fiber 4 can be directly connected to the device side optical fiber. It can also be connected to the receptacle 11.
- An optical outlet comprising a connector insertion portion having an open bottom surface on the front side of a body, and a device-side optical receptacle to which a device-connecting optical connector is connected is provided in the connector insertion portion.
- An optical outlet having a configuration in which a shutter extending below the device-side optical receptacle is provided inside the connector insertion portion, and a light beam emitted from the device-side optical receptacle is blocked by the shutter.
- the optical connector for device connection to be inserted into the connector insertion portion has a resin connector body
- An optical outlet comprising a connector insertion portion having a lower surface opened on the front side of the body, and a device-side optical receptacle to which an optical connector for device connection is connected is disposed in the connector insertion portion.
- An optical outlet provided with a confirmation window on a front wall portion of the connector insertion portion, through which a device connection optical connector to be inserted into the connector insertion portion can be visually recognized.
- An optical outlet including a protective pushing that can be inserted into and removed from the opening at the connector insertion portion.
- the protective pushing has a pushing body and a knob extending from the pushing body.
- the pushing body and the knob are integrally formed of a thermoplastic resin, and a rubber or a thermoplastic elastomer or the like which elastically closely contacts the outer periphery of the pushing body with the inner wall of the connector insertion portion.
- the optical outlet according to the above (6) which is provided with a sealing portion made of an elastic member.
- a protection cover is provided which is detachably attached to a position below the opening of the connector insertion portion on the front side of the body and covers a knob portion of the protection bushing exposed from the opening.
- An optical outlet comprising a connector insertion part having an opening at the lower surface on the front side of the body, and a device-side optical receptacle to which an optical connector for device connection is connected is disposed in the connector insertion part.
- the cleaning adapter has a through-hole that is positioned on the same straight line as the light conducting portion of the device-side optical receptacle when the cleaning adapter is attached to the connector insertion portion,
- the through hole is an optical outlet that allows a stick-shaped cleaner to pass through from the outside.
- An optical outlet that has a connector insertion part with an opening at the bottom on the front side of the body, and a device-side optical receptacle to which the optical connector for device connection is connected is arranged in this connector insertion part.
- optical receptacle according to claim 1, wherein a connector insertion portion having an open lower surface is formed on the front side of the body, and the device-side optical receptacle is disposed in the connector insertion portion.
- An optical outlet provided with a protective member which can be protruded and retracted at a position facing the opening of the connector insertion portion.
- the connector insertion part is provided with a protective pushing that is removable from the opening,
- the connection angle of the optical fiber to the device-side optical receptacle is not restricted at all. It is possible to arbitrarily set the connection angle of the optical connector for trunk connection by the trunk-side optical receptacle. Therefore, it is possible to freely design the trunk side optical fiber extending from the trunk line connecting optical connector so as not to bend sharply in the wall, and it can be applied to the connection of the silica-based optical fiber used in the FTTH.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003272920A AU2003272920A1 (en) | 2002-10-02 | 2003-10-02 | Optical receptacle |
JP2005500094A JP4190017B2 (ja) | 2002-10-02 | 2003-10-02 | 光コンセント |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002290531 | 2002-10-02 | ||
JP2002-290531 | 2002-10-02 | ||
JP2003011506 | 2003-01-20 | ||
JP2003-11506 | 2003-01-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004031823A1 true WO2004031823A1 (ja) | 2004-04-15 |
Family
ID=32072478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/012645 WO2004031823A1 (ja) | 2002-10-02 | 2003-10-02 | 光コンセント |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP4190017B2 (ja) |
AU (1) | AU2003272920A1 (ja) |
WO (1) | WO2004031823A1 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007199316A (ja) * | 2006-01-25 | 2007-08-09 | Hochiki Corp | 埋め込み型光受信機及び埋め込み型光受信ユニット |
JP2007316556A (ja) * | 2006-05-29 | 2007-12-06 | Hochiki Corp | 埋め込み型光中継器 |
WO2008088036A1 (ja) * | 2007-01-19 | 2008-07-24 | Sumitomo Electric Industries, Ltd. | アウトレット装置 |
WO2008088035A1 (ja) * | 2007-01-19 | 2008-07-24 | Sumitomo Electric Industries, Ltd. | アウトレット装置 |
EP2045636A1 (fr) | 2007-10-04 | 2009-04-08 | Nexans | Prise optique pour reseau de telecommunication |
JP2011059728A (ja) * | 2010-12-27 | 2011-03-24 | Hochiki Corp | 埋め込み型光中継器 |
JP2011081416A (ja) * | 2010-12-27 | 2011-04-21 | Hochiki Corp | 埋め込み型光中継器 |
JP2012075311A (ja) * | 2011-11-04 | 2012-04-12 | Hochiki Corp | 埋め込み型光受信機 |
JP2013113881A (ja) * | 2011-11-25 | 2013-06-10 | Sanwa Denki Kogyo Co Ltd | 光コンセント |
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- 2003-10-02 AU AU2003272920A patent/AU2003272920A1/en not_active Abandoned
- 2003-10-02 JP JP2005500094A patent/JP4190017B2/ja not_active Expired - Lifetime
- 2003-10-02 WO PCT/JP2003/012645 patent/WO2004031823A1/ja active Application Filing
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JP2007199316A (ja) * | 2006-01-25 | 2007-08-09 | Hochiki Corp | 埋め込み型光受信機及び埋め込み型光受信ユニット |
JP2007316556A (ja) * | 2006-05-29 | 2007-12-06 | Hochiki Corp | 埋め込み型光中継器 |
JP4690943B2 (ja) * | 2006-05-29 | 2011-06-01 | ホーチキ株式会社 | 埋め込み型光中継器 |
WO2008088035A1 (ja) * | 2007-01-19 | 2008-07-24 | Sumitomo Electric Industries, Ltd. | アウトレット装置 |
JP2008176109A (ja) * | 2007-01-19 | 2008-07-31 | Nippon Tsushin Denzai Kk | アウトレット |
WO2008088036A1 (ja) * | 2007-01-19 | 2008-07-24 | Sumitomo Electric Industries, Ltd. | アウトレット装置 |
US7970251B2 (en) | 2007-01-19 | 2011-06-28 | Sumitomo Electric Industries, Ltd. | Outlet device |
EP2045636A1 (fr) | 2007-10-04 | 2009-04-08 | Nexans | Prise optique pour reseau de telecommunication |
FR2922032A1 (fr) * | 2007-10-04 | 2009-04-10 | Nexans Sa | Prise optique pour reseau de telecommunication. |
JP2011059728A (ja) * | 2010-12-27 | 2011-03-24 | Hochiki Corp | 埋め込み型光中継器 |
JP2011081416A (ja) * | 2010-12-27 | 2011-04-21 | Hochiki Corp | 埋め込み型光中継器 |
JP2012075311A (ja) * | 2011-11-04 | 2012-04-12 | Hochiki Corp | 埋め込み型光受信機 |
JP2013113881A (ja) * | 2011-11-25 | 2013-06-10 | Sanwa Denki Kogyo Co Ltd | 光コンセント |
Also Published As
Publication number | Publication date |
---|---|
JP4190017B2 (ja) | 2008-12-03 |
AU2003272920A1 (en) | 2004-04-23 |
JPWO2004031823A1 (ja) | 2006-02-02 |
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