JP4017974B2 - Optoelectric connector - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an optoelectric connector used for optical communication, optical measurement, and the like.
[0002]
[Prior art]
Conventionally, in optical communication using a local area network (LAN) or the like, a media converter or the like is used to connect an optical fiber on the transmission path side and an electric cable on the LAN or terminal device side.
In general, a media converter is configured to connect an optical fiber and an electrical cable such as a twisted pair cable or a coaxial cable. The media converter converts an optical signal transmitted by the optical fiber into an electrical signal and sends it to the electrical cable. In addition, it has a photoelectric conversion function for converting an electrical signal transmitted by an electrical cable into an optical signal and sending it to an optical fiber (see, for example, Patent Document 1).
[0003]
[Patent Document 1]
U.S. Pat. No. 4,767,168
[0004]
[Problems to be solved by the invention]
By the way, in this type of media converter, in order to connect an optical fiber and an electric cable, the optical fiber and the electric cable are each terminated with a connector (plug or the like), and a connector (receptacle, This is generally performed by connecting the connector (plug) to a jack or the like. As described above, both the optical fiber and the electric cable are connected to the media converter by connectors, so that the apparatus becomes relatively large and high-density mounting is difficult.
[0005]
In addition, in order to increase the communication speed, even when it is desired to switch the communication system using electrical signals to an optical communication system, there are few connectors that can connect optical fibers, so connect electrical cables to terminal equipment. Even if it can, the optical fiber cannot be connected. In order to connect an optical fiber to a terminal device, a media converter that performs photoelectric conversion is required, and there is a complaint that a communication system cannot be easily constructed.
[0006]
This invention is made | formed in view of the said situation, Comprising: It aims at providing the optoelectric connector which can connect an optical fiber to the connector for electric cables.
[0007]
[Means for Solving the Problems]
  In order to solve the above problems, the present invention provides:An optoelectric connector having an aspect as an RJ type plug connected to a connector such as a receptacle for an electric cable and attached to the tip of an optical fiber,Photoelectric converterAnd the optoelectric connector is attached.An optical fiber holding unit capable of holding the optical fiber so that an end face of the optical fiber is positioned with respect to the photoelectric conversion unit;An interior of a housing comprising a connector housing having a latch on a side surface and inserted into the receptacle or the like and connected to a connector, and a rear housing attached to the rear end side of the connector housingIs housed inIn addition, an electrode terminal connected to the photoelectric conversion unit is exposed on the front end side of the connector housing.An optoelectric connector is provided.
  According to such an optoelectric connector, since the optical fiber drawn into the housing and the electrode terminal are connected via the photoelectric conversion unit, the apparatus can be reduced in size and the optical fiber is connected to the electric cable. It becomes possible to connect to the connector for the.
[0008]
In this optoelectric connector, the optical fiber holding section includes a base and a lid that is superimposed on the base and covers the positioning groove, and either or both of the base and the lid are provided with an optical fiber. A positioning groove for positioning the optical fiber inserted into the part is formed, and the optical fiber is positioned in the positioning groove by clamping the base body and the lid body, which are overlapped with each other, by a clamp member. It is preferable that it is fixed.
According to the optoelectric connector provided with such an optical fiber holding portion, the clamp member is released to create a gap between the base and the lid, and the optical fiber is inserted and positioned in the positioning groove. Furthermore, the operation of positioning the optical fiber with respect to the photoelectric conversion unit can be easily and reliably performed by clamping the base body and the lid with the clamp member.
[0009]
  Furthermore, the present invention providesAn optoelectric connector having an aspect as an RJ type plug connected to a connector such as a receptacle for an electric cable and attached to the tip of an optical fiber,Photoelectric converterWhen,An optical fiber positioned with respect to the photoelectric conversion unit;The optoelectric connector is attachedOptical fiberThe optical fiber can be optically connected to the optical fiber positioned with respect to the photoelectric conversion unit.An optical fiber holding part that can be positioned and held,An interior of a housing comprising a connector housing having a latch on a side surface and inserted into the receptacle or the like and connected to a connector, and a rear housing attached to the rear end side of the connector housingIs housed inIn addition, an electrode terminal connected to the photoelectric conversion unit is exposed on the front end side of the connector housing.An optoelectric connector is provided.
  According to such an optoelectric connector, the optical fiber drawn into the housing and the electrode terminal are connected via the photoelectric conversion unit and the optical fiber positioned with respect to the photoelectric conversion unit. The apparatus can be miniaturized and the optical fiber can be connected to the connector for the electric cable.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail based on embodiments.
FIG. 1 is a longitudinal sectional view showing an optoelectric connector of the present invention, and FIG. 2 is a perspective view. FIG. 3 is a cross-sectional view showing an optical fiber holding portion of the optoelectric connector shown in FIG.
[0011]
This optoelectric connector 1 (hereinafter simply referred to as a connector) has an aspect as an RJ type plug, and is inserted into a connector (receptacle, jack, etc.) (not shown) and connected by fitting and engagement. A connector housing 2, a rear housing 3 attached to the rear end side of the connector housing 2 (the side opposite to the connection side, the right side in FIG. 1), an optical fiber holding portion 20 that holds the optical fiber 15, The photoelectric conversion unit 4 is disposed opposite to the end face 15 a of the fiber 15 and is optically connected to the optical fiber 15.
[0012]
  The photoelectric conversion unit 4 and the optical fiber holding unit 20 are disposed and accommodated in an internal space 2 a formed inside the housings 2 and 3.In this embodiment, the housings 2 and 3 have a two-body structure.
  An electrode terminal 5 electrically connected to the photoelectric conversion unit 4 is provided on the front end side (connection side, left side of FIG. 1) of the connector housing 2. The connector housing 2 is provided with a latch 8 for preventing it from coming off on the side surface. The latch 8 springs upward due to its own elasticity, and when the connector 1 is inserted into a receptacle or the like, the latch 8 is connected by engaging the engaging portion such as the receptacle. Further, by pushing the lever 8b of the latch 8, the above-described engagement is released, and the connector 1 can be removed.
  The number and pitch of the electrode terminals 5 are not particularly limited, but various ones can be adopted depending on the specifications.
[0013]
Here, the optical fiber 15 is a bare wire that is exposed by removing the coating 14 from the optical fiber 13 (optical fiber core wire) exposed by removing the outer sheath 11 at the tip of the optical fiber 10 (optical fiber cord). The optical fiber is held so as to be positioned with respect to the photoelectric conversion unit 4 by a positioning groove 23 (described later) of the optical fiber holding unit 20. The distance between the end face 15a of the optical fiber 15 and the photoelectric conversion unit 4 is appropriately adjusted so that the connection loss is sufficiently low. The optical fibers 10 and 13 may be single-core or multi-core.
[0014]
A tensile strength fiber 12 such as aramidyan exposed by removing the outer sheath 11 of the optical fiber 10 is caulked and fixed to the rear end portion of the rear housing 3 by a caulking ring 6. Further, the optical fiber 10 exposed from the rear end portion of the rear housing 3 is stored in the boot 7 attached to the rear end side in the connection direction of the rear housing 3, so that the abruptness in the vicinity of the rear end portion of the connector 1 is abrupt. Bending is prevented.
[0015]
As shown in FIGS. 2 and 3, the optical fiber holding portion 20 has a substantially split structure, and includes a base body 21 and a lid body 22 both formed in an elongated shape.
Here, the base body 21 and the lid body 22 are illustrated as having a substantially semicircular cross section, but are not particularly limited thereto.
[0016]
A positioning groove 23 for positioning and aligning the optical fiber 15 extends along the longitudinal direction of the base 21 on the mating surface 21 a on which the lid 22 of the base 21 is overlapped. The positioning groove 23 is a V groove as shown in FIG. 3, for example. The positioning grooves 23 are provided at least as many as the number of optical fibers 15 led out from the optical fiber 10. The positioning groove 23 may be a U groove, a round groove, or the like.
The positioning groove 23 is not necessarily formed over the entire length of the base body 21 in the longitudinal direction. For example, a space for accommodating the coating 14 of the optical fiber 13 is formed on the rear end side (right side in FIG. 1) of the optical fiber holding portion 20, and the positioning groove 23 is provided only in a portion on the front end side from the coating accommodating space. Is also possible.
[0017]
The base body 21 and the lid body 22 are maintained in an integrated state by a clamping force of a clamping member 24 that is a C-shaped (or U-shaped) spring. As shown in FIG. 2, a wedge insertion hole 3 a for inserting a wedge (not shown) is provided on the side surface of the rear housing 3. The connector 1 can push the base body 21 and the lid body 22 against the clamping force of the clamp member 24 by press-fitting a wedge between the base body 21 and the lid body 22 from the wedge insertion hole 3a. It is like that.
[0018]
The photoelectric conversion unit 4 is electrically connected to the electrode terminal 5 exposed at the front end (left side in FIG. 1) of the connector housing 2 in the connection direction. The photoelectric conversion unit 4 is disposed on the photoelectric conversion unit fixing base 4 a so as to face the end surface 15 a of the optical fiber 15 held by the optical fiber holding unit 20.
Here, the photoelectric conversion unit fixing base 4 a is provided integrally with the base body 21 so as to extend from one end of the base body 21. However, the photoelectric conversion unit fixing base 4a is separated from the base 21, and the photoelectric conversion unit fixing base 4a and the base are formed by, for example, screwing with screws, engagement or fitting with claws or unevenness, and adhesion with an adhesive. 21 may be fixed.
[0019]
The photoelectric conversion unit 4 converts an electric signal input via the electrode terminal 5 into an optical signal and sends it to the optical fiber 15, or converts an optical signal input via the optical fiber 15 into an electric signal. And has a function of feeding to the electrode terminal 5. Specifically, for example, a light receiving and emitting unit represented by a light emitting element such as a light receiving element such as a photodiode (PD) or a semiconductor laser such as a laser diode (LD) emits light to the end face 15 a of the optical fiber 15. A signal processing circuit (not shown) that is positioned so as to be connectable and connected between the light emitting / receiving unit and the electrode terminal 5 performs conversion between an optical signal and an electric signal.
When there are a plurality of optical fibers 15, it is preferable to use a PD array or an LD array in which a plurality of PDs or LDs are arranged in parallel as the light receiving and emitting elements. Further, if the array arrangement pitch is matched to the pitch of the positioning grooves 23, the positions of the end faces of the plurality of optical fibers 15 and the positions of the light receiving and emitting elements corresponding thereto can be collectively adjusted. In order to align the end face of the optical fiber 15 and the light emitting / receiving element, an appropriate lens or the like may be interposed between the end face 15 a of the optical fiber 15 and the photoelectric conversion unit 4.
[0020]
Next, an example of a method for assembling the connector 1 at the tip of the optical fiber 10 will be described. Here, in order to attach the connector 1 to the tip of the optical fiber 10, the photoelectric conversion unit 4 and the optical fiber holding unit 20 integrated with the photoelectric conversion unit 4 are housed in the housings 2 and 3 to assemble the connector 1. The connector 1 is attached to the optical fiber 15 led to the tip of the optical fiber 10.
[0021]
However, if the structure of the housings 2 and 3 is a structure in which the connector housing 2 can be assembled later with respect to the rear housing 3 in which the optical fiber holding unit 20 is accommodated, the optical fiber 15 in the optical fiber holding unit 20. Is positioned prior to the assembly of the connector 1, the optical fiber holding portion 20 is accommodated in the rear housing 3, and the photoelectric conversion unit fixing base 4 a protruding from the end of the rear housing 3 and the photoelectric conversion A procedure of attaching the connector 1 by attaching the connector housing 2 to the rear housing 3 so that the portion 4 and the electrode terminal 5 are accommodated in the internal space 2a of the connector housing 2 can also be adopted. In this case, the optical fiber 10 is passed through the boot 7 in advance.
[0022]
In order to position and hold the optical fiber 15 in the optical fiber holding portion 20, first, as shown in FIGS. 2, 3A, and 3B, between the mating surfaces 21a and 22b of the base body 21 and the lid body 22, respectively. The wedge is press-fitted into the wedge groove 25, thereby pushing the gap between the base body 21 and the lid body 22 against the clamping force of the clamp member 24. The wedge 21 is kept pressed, and the base 21 and the lid 22 are kept separated from each other. In this state, the optical fiber 15 that has been led out is inserted from the rear end side of the rear housing 3. Then, it is placed on the positioning groove 23 and pushed into a position where the end face 15 a can be connected to the photoelectric conversion unit 4.
[0023]
Further, when the wedge is pulled out from the wedge groove 25 between the base body 21 and the lid body 22, the base body 21 and the lid body 22 are integrated by the clamping force of the clamp member 24 as shown in FIG. The optical fiber 15 is sandwiched and held between the base body 21 and the lid body 22.
By holding the optical fiber 15 in the optical fiber holding part 20 in this way, the end face 15a of the optical fiber 15 is disposed so as to face the photoelectric conversion part 4, and the optical fiber 15 and the electrode terminal 5 are photoelectrically connected. Connection is made via the conversion unit 4. Since the optical fiber 15 is firmly held by the optical fiber holding unit 20, the optical connection between the end face 15a of the optical fiber 15 and the photoelectric conversion unit 4 maintains a sufficiently low-loss connection state. .
[0024]
A signal is transmitted between the electronic device and the optical fiber 10 by inserting the connector housing 2 of the connector 1 into a connector such as an electronic device and electrically connecting the electrode terminal 5 to the electronic device. .
That is, an optical signal transmitted through the optical fiber 10 is converted into an electric signal by the photoelectric conversion unit 4 and output from the electrode terminal 5, or an electric signal input from the electrode terminal 5 is converted into an optical signal by the photoelectric conversion unit 4. Then, it can be transmitted to the optical fiber 10.
[0025]
Since the photoelectric conversion unit fixing base 4a is fixed to the optical fiber holding unit 20 (specifically, formed integrally with the base 21), the positional relationship between the optical fiber holding unit 20 and the photoelectric conversion unit 4 Will always maintain a certain relationship. As a result, it is possible to stably obtain a low-loss connection state between the optical fiber 15 and the photoelectric conversion unit 4 simply by inserting and holding the optical fiber 15 in the optical fiber holding unit 20 in a certain procedure. This has an excellent effect that variation in loss is less likely to occur.
[0026]
Next, a second embodiment of the optoelectric connector (connector) of the present invention will be described with reference to FIGS. FIG. 4 is a longitudinal sectional view showing the appearance of the connector according to the present embodiment, and FIG. 5 is a side view showing how the optical fiber is inserted into the optical fiber holding portion of the connector.
4 and 5, the same reference numerals as those in FIGS. 1 to 3 denote the same components as those in FIGS.
[0027]
The optical fiber holding portion 40 of the connector 31 has a substantially rod shape. The front end side (the left side in FIGS. 4 and 5) of the optical fiber holding portion 40 is an optical fiber fixing portion 45 having an optical fiber hole 45 a along the longitudinal direction of the optical fiber holding portion 40.
Here, as shown in FIG. 4, the photoelectric conversion unit fixing base 4 a protrudes toward the front end side of the optical fiber fixing unit 45 and is integrally formed. However, similarly to the photoelectric conversion unit fixing base 4a in the connector 1 of the first embodiment described above, the photoelectric conversion unit fixing base 4a is formed separately from the optical fiber holding unit 40, and the optical fiber fixing unit 45 is provided. On the other hand, it may be fixed by an appropriate method.
[0028]
The optical fiber fixing portion 45 can hold and fix the optical fiber 16 by inserting the optical fiber 16 into the optical fiber hole 45a and positioning one end face 16b of the optical fiber 16 so as to face the photoelectric conversion portion 4. It is like that.
The other end face 16 a of the optical fiber 16 is exposed to the rear end side from the optical fiber fixing portion 45.
[0029]
If necessary, the optical fiber 16 can be bonded and fixed to the optical fiber hole 45a using an adhesive.
Refractive index matching may be performed by filling or adhering an appropriate adhesive or the like between the end face 16 b of the optical fiber 16 and the photoelectric conversion unit 4. Thereby, reflection of an optical signal can be suppressed and loss of optical connection between the optical fiber 16 and the photoelectric conversion unit 4 can be reduced.
[0030]
On the rear end side of the optical fiber fixing part 45, the optical fiber 16 fixed to the optical fiber fixing part 45 and the optical fiber 15 (bare optical fiber) led out from the optical fiber 10 (optical fiber cord or the like) are butted together. It is an optical fiber connection part 46 for connection.
[0031]
The optical fiber connection portion 46 has a split structure, and includes a base body 41 having a positioning groove 43 such as a V-groove and a lid body 42 that is superimposed on the base body 41 and covers the positioning groove 43. Yes. Here, the base body 41 is formed integrally with the optical fiber fixing portion 45.
The base body 41 and the lid body 42 are maintained in an integrated state by a clamping force of a clamp member 44 that is a C-shaped (or U-shaped) spring.
[0032]
The optical fiber connecting portion 46 positions the optical fibers 15 and 16 by the positioning groove 43, and clamps the base body 41 and the lid body 42 with the end faces 15a and 16a of the optical fibers 15 and 16 facing each other. The optical fibers 15 and 16 can be butt-connected while holding the optical fiber 15.
Note that the optical fibers 15 and 16 are connected to each other not only by connecting the end faces 15a and 16a of the optical fibers 15 and 16 in close contact with each other, but also because the end faces 15a and 16a face each other with a slight interval. In addition, the optical connection of the optical fibers 15 and 16 with low connection loss is also included.
It is also effective to inject a refractive index matching agent between the end faces 15a and 16a of the optical fibers 15 and 16 as necessary. Thereby, the light reflection between the said end surfaces 15a and 16a can be suppressed, and a connection loss can be reduced.
[0033]
An example of a method for assembling the connector 31 at the tip of the optical fiber 10 will be described. For example, after the optical fiber 16 is held and fixed to the optical fiber fixing portion 46, as described above, the photoelectric conversion portion 4 and the optical fiber holding portion 40 are accommodated in the housings 2 and 3, and the connector 31 is assembled. There is a method in which the optical fiber 15 is positioned and held in the optical fiber holding part 40 by attaching 31 to the optical fiber 15 led to the tip of the optical fiber 10.
[0034]
In order to position and hold the optical fiber 15 in the optical fiber holding portion 40, first, as shown in FIG. 5, a wedge (not shown) is press-fitted between the base body 41 and the lid body 42 of the optical fiber connection portion 46. Thus, the space between the base body 41 and the lid body 42 is expanded. In this state, the exposed optical fiber 15 is inserted from the rear end side of the rear housing 3 and placed on the positioning groove 43, and the end face 15 a of the optical fiber 15 is abutted against the end face 16 a of the optical fiber 16. .
[0035]
By pulling out the wedge from between the base body 41 and the lid body 42 and closing between the base body 41 and the lid body 42, the base body 41 and the lid body 42 are clamped by the clamp member 44, and the optical fiber 15 becomes the optical fiber. 16 and maintained in butt connection.
[0036]
In this way, the optical fiber 15 and the electrode terminal 5 are connected via the optical fiber 16 and the photoelectric conversion unit 4 by holding the optical fiber 15 in the optical fiber holding unit 40. The connector housing 2 of the connector 31 is inserted into a connector such as an electronic device, and the electrode terminal 5 is electrically connected to the electronic device, whereby signals are exchanged between the electronic device and the optical fiber 10. be able to. Since the optical fibers 15 and 16 are firmly held by the optical fiber holding part 40, sufficient reliability of connection can be ensured.
[0037]
In the present embodiment, the optical fiber 16 is previously disposed and held in the optical fiber fixing portion 45 so that the end face 16 b faces the photoelectric conversion portion 4. For this reason, the insertion of the optical fiber 15 into the optical fiber holding part 40 only needs to be abutted so that the optical fibers 15 and 16 are connected. Accordingly, when the optical fiber 15 is connected, it is not necessary to adjust the distance between the end face 16b of the optical fiber 16 and the photoelectric conversion unit 4, so that the positioning operation of the optical fiber 15 can be performed more easily.
When refractive index matching is performed between both optical fibers 15 and 16 and / or between the optical fiber 16 and the photoelectric conversion unit 4, it is possible to reduce optical connection loss and further improve communication reliability. it can.
[0038]
A third embodiment of the optoelectric connector (connector) of the present invention will be described with reference to FIG. Fig.6 (a) is a side view which shows the optical fiber holding | maintenance part of the connector of this Embodiment. FIG. 6B is a perspective view. In addition, illustration of an optical fiber is abbreviate | omitted in FIG.6 (b).
This connector is a modified example of the connector 31 of the second embodiment described above, and is configured in the same manner as the connector 31 except for the optical fiber holding unit 60.
[0039]
The front end side (the left side in FIG. 6A) of the optical fiber holding part 60 is an optical fiber fixing part 65 having an optical fiber hole 65 a along the longitudinal direction of the optical fiber holding part 60. Further, the rear end side of the optical fiber fixing portion 65 is an optical fiber connection portion 66 for connecting the optical fiber 15 (bare optical fiber) to the optical fiber 16 fixed to the optical fiber fixing portion 65. ing.
[0040]
The optical fiber connection portion 66 has a split structure, and includes a base 61 having a positioning groove 63 such as a V-groove, and a lid body 62 that overlaps the base 61 and covers the positioning groove 63. Yes. Here, the base 61 is formed integrally with the optical fiber fixing portion 65, and the lid 62 holds the central lid 62 a that holds the connecting portion between the optical fiber 16 and the optical fiber 15, and the optical fiber 15. Divided into an end cover 62b.
Flange portions 64 a to 64 c of a clamp member 64 that is a C-shaped (or U-shaped) spring are divided by slits 6 that are formed in accordance with the division position of the lid 62.
[0041]
The connector configured as described above can hold the optical fiber 16 fixed to the optical fiber fixing portion 65 in the same manner as the connector 31 of the second embodiment described above. Further, the optical fiber 15 can be held between the base 61 and the end lid 62b by the clamping force of the flange portion 64c of the clamp member 64 together with the tip end portion of the coating 14. And the butt connection part of the optical fiber 15 and the optical fiber 16 can be hold | maintained between the base | substrate 61 and the center cover 62a with the clamping force of the flange part 64b of the clamp member 64. FIG. As a result, the optical fibers 15 and 16 are held in an optically connected state, and the optical fiber 15 and the electrode terminal 5 are connected via the optical fiber 16 and the photoelectric conversion unit 4.
[0042]
  Although the present invention has been described based on the preferred embodiment, the present invention is not limited to this embodiment, and various modifications can be made without departing from the gist of the present invention.is there.
[0043]
As described above, the optical fiber holding unit is not limited to the configuration in which the optical fiber is sandwiched between the base and the lid and is precisely positioned by the positioning groove, but the optical fiber is directly precisely positioned with respect to the photoelectric conversion unit. Any configuration can be used as long as it can be held or can be precisely positioned and held with respect to an optical fiber that has been positioned in advance with respect to the photoelectric conversion unit. For example, the one using a microcapillary as a positioning means, the one using a structure for holding an optical fiber between three precision rods, and the like can be mentioned.
[0044]
【The invention's effect】
  As described above, the optoelectric connector according to claim 1 of the present invention isAn optoelectric connector having an aspect as an RJ type plug connected to a connector such as a receptacle for an electric cable and attached to the tip of an optical fiber,Photoelectric converterAnd the optoelectric connector is attachedAn optical fiber holding unit capable of holding the optical fiber so that an end face of the optical fiber is positioned with respect to the photoelectric conversion unit;An interior of a housing comprising a connector housing having a latch on a side surface and inserted into the receptacle or the like and connected to a connector, and a rear housing attached to the rear end side of the connector housingIs housed inIn addition, the electrode terminal connected to the photoelectric conversion unit is exposed to the front end side of the connector housing.Therefore, the optical fiber held in the housing and the electrode terminal can be connected via the photoelectric conversion unit, so that the device can be miniaturized and the optical fiber can be connected to the connector for the electric cable. It becomes.
[0045]
The optical and electrical connector according to claim 2 of the present invention is such that the optical fiber holding portion includes a base and a lid that is superimposed on the base and covers the positioning groove, and either the base or the lid or Both are formed with a positioning groove for positioning the optical fiber inserted into the optical fiber holding portion, and the optical fiber is formed by clamping the base body and the lid body, which are overlapped with each other, by a clamp member. As long as it is positioned and fixed in the positioning groove, the optical fiber can be positioned and connected to the photoelectric conversion unit without using fusion splicing or an adhesive. This facilitates positioning and connection work, shortens the work time, and allows the optical fiber to be attached to and detached from the optical fiber holding part.
[0046]
  The optoelectric connector according to claim 3 of the present invention isAn optoelectric connector having an aspect as an RJ type plug connected to a connector such as a receptacle for an electric cable and attached to the tip of an optical fiber,Photoelectric converterWhen,An optical fiber positioned with respect to the photoelectric conversion unit;The optoelectric connector is attachedOptical fiberThe optical fiber can be optically connected to the optical fiber positioned with respect to the photoelectric conversion unit.An optical fiber holding part that can be positioned and held,An interior of a housing comprising a connector housing having a latch on a side surface and inserted into the receptacle or the like and connected to a connector, and a rear housing attached to the rear end side of the connector housingIs housed inIn addition, the electrode terminal connected to the photoelectric conversion unit is exposed on the front end side of the connector housing.Since the optical fiber drawn into the housing is optically connected to the optical fiber positioned with respect to the photoelectric conversion unit, the optical fiber and the electrode terminal are connected via the photoelectric conversion unit. Can do. Therefore, it is possible to reduce the size of the apparatus and connect the optical fiber to the connector for the electric cable.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view showing an optoelectric connector according to a first embodiment of the present invention.
FIG. 2 is a perspective view of the optoelectric connector shown in FIG.
3 is a cross-sectional view showing an optical fiber holding portion of the optoelectric connector shown in FIG. 1. FIG.
FIG. 4 is a longitudinal sectional view showing an optoelectric connector according to a second embodiment of the present invention.
5 is a side view showing a state in which an optical fiber is inserted into an optical fiber holding portion of the optoelectric connector shown in FIG. 4. FIG.
FIG. 6A is a side view showing an optical fiber holding part of an optoelectric connector according to a third embodiment of the present invention. (B) It is a perspective view which shows a clamp member.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Photoelectric connector (connector), 2 ... Housing (connector housing), 3 ... Housing (rear housing), 4 ... Photoelectric conversion part, 5 ... Electrode terminal,8 ... Latch,DESCRIPTION OF SYMBOLS 15 ... Optical fiber, 15a ... End surface of optical fiber, 16 ... Optical fiber, 20 ... Optical fiber holding part, 21 ... Base | substrate, 22 ... Lid body, 23 ... Positioning groove, 24 ... Clamp member, 31 ... Photoelectric connector (connector) ), 40... Optical fiber holder, 60.

Claims (3)

An optoelectric connector having an aspect as an RJ type plug connected to a connector such as a receptacle for an electric cable and attached to the tip of an optical fiber,
An optical fiber holding part (20) that can hold the optical fiber so that the photoelectric conversion part (4) and the end face (15a) of the optical fiber (15) to which the photoelectric connector is attached are positioned with respect to the photoelectric conversion part. ) Includes a connector housing (2) having a latch (8) on the side surface and inserted into the receptacle or the like and connected to the connector, and a rear housing (3) attached to the rear end side of the connector housing And an electrode terminal (5) connected to the photoelectric conversion unit is exposed on the front end side of the connector housing . The optical fiber holding portion includes a base (21) and a lid (22) superimposed on the base,
A positioning groove (23) for positioning the optical fiber inserted into the optical fiber holding portion is formed on either or both of the base body and the lid,
The optical fiber is positioned and fixed in the positioning groove by integrally clamping a base member and a cover body, which are overlapped with each other, by a clamp member (24). Item 2. The optoelectric connector according to item 1. An optoelectric connector having an aspect as an RJ type plug connected to a connector such as a receptacle for an electric cable and attached to the tip of an optical fiber,
A photoelectric conversion unit (4) , an optical fiber (16) positioned with respect to the photoelectric conversion unit, and an optical fiber (15) to which the photoelectric connector is attached are positioned with respect to the photoelectric conversion unit. An optical fiber holding portion (40, 60) that can be positioned and held so as to be optically connectable to the fiber (16), has a latch (8) on a side surface, and is inserted into the receptacle or the like and connected to a connector ( 2) and a rear housing (3) attached to the rear end side of the connector housing, and the electrode terminal (5) connected to the photoelectric conversion portion is housed in the housing. An optoelectric connector (31), which is exposed on the front end side of the housing .

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