JPH11214100A - Composite connector device for light signal and power supply - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable miniaturization, and facilitate assembling. SOLUTION: In a composite plug 1, light signal-receiving portions 8a, 8b, light signal-transmitting portions 12a, 12b, and a power source plug 11 are provided integrally. In a composite socket device, a light signal transmitting and receiving portions, a power source jack 21, and an external connecting connector 23 are integrally provided, each of them is soldered to a board 24. By just fitting the composite plug 1 and the composite socket device mutually, transmitting and receiving, and power feeding can be conducted, so that an occupying area is lessened at the time of its installation to an apparatus so as to allow miniaturization and facilitate assembling.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical signal / power supply composite connector device capable of transmitting / receiving an optical signal and supplying power using a pair of plug and socket devices.

[0002]

2. Description of the Related Art Conventionally, transmission and reception of optical signals and supply of power have been performed using separate optical connectors and power connectors. That is, as shown in FIGS. 7 and 8, the optical signal plug 100 is attached to the end of a cord 103 in which two optical fiber cables (not shown) are covered with an insulator. Of the optical fiber cable are exposed from the ends of the optical signal transmitting unit 101 and the optical signal receiving unit 102.

On the other hand, the optical signal socket 200 has an optical signal receiving unit 201 and an optical signal transmitting unit 202. The light signal receiving unit 201 includes a light receiving element (not shown).
However, a light emitting element (not shown) is attached to the optical signal transmission unit 202.

When the optical signal plug 100 and the optical signal socket 200 are fitted together, the tip of the optical fiber cable faces the light receiving element of the optical signal receiving section 201 and the light emitting element of the optical signal transmitting section 202. The optical signal transmitted from the optical fiber cable is output from the optical signal transmitting unit 101 and input to the light receiving element of the optical signal receiving unit 201, and then converted into an electric signal. On the other hand, the optical signal converted from the electric signal is output from the light emitting element of the optical signal transmitting unit 202, is input to the optical signal receiving unit 102, and is transmitted to the optical fiber cable.

On the other hand, when power is supplied, the optical signal plug 100 and the optical signal socket 200 are provided separately by a power connector.

[0006]

However, in the prior art, the optical signal plug 100 and the optical signal socket 200 for transmitting and receiving the optical signal and the power connector for supplying the power were separate, so that they were attached to the equipment. There was a problem that the device sometimes became large. In addition, the optical signal socket 200 and the power supply connector also need to be attached to the device, so that the attachment is troublesome.

An object of the present invention is to provide a composite connector for an optical signal / power supply which can be reduced in size and can be easily mounted.

[0008]

A plug integrally including a plug-side optical signal transmitter for outputting an optical signal, a plug-side optical signal receiver for receiving an optical signal, and a power supply for supplying power, A socket device integrally including a socket device-side optical signal transmitting / receiving unit for transmitting / receiving an optical signal and performing photoelectric conversion, a power supply unit supplied with power, and an external connection connector; Is configured to output an electric signal and a power source photoelectrically converted by the socket device-side optical signal transmitting / receiving unit to the outside, and to output an externally input electric signal to the socket device-side optical signal transmitting / receiving unit.

By fitting the plug and the socket device, power is transmitted in the order of the power supply unit of the plug, the power supply unit of the socket device, and the connector for external connection, and is output from the external connector to the outside. . On the other hand, the optical signal output from the plug-side optical signal transmitting unit is input to the socket device-side optical signal transmitting / receiving unit, converted into an electric signal, and then output from the external connector to the outside. The electric signal input from the external connection connector is transmitted to the socket device-side optical signal transmitting / receiving unit, converted into an optical signal, and then output to the plug-side optical signal receiving unit.

Further, the power supply unit, the socket device-side optical signal transmitting / receiving unit, and the external connector are mounted on the same circuit board in the socket device.

An optical signal input to the optical signal transmitting / receiving section on the socket device side is converted into an electric signal, and is output to the outside from an external connector mounted on the same circuit board.
On the other hand, the electrical signal input from the external connection connector is converted into an optical signal by the socket device-side optical signal transmitting / receiving unit attached to the same circuit board, and the socket device-side optical signal transmitting / receiving unit sends the signal to the plug-side optical signal receiving unit. Is output.

[0012]

1 to 6 show an embodiment of the present invention. FIG. 1 is a plan view of a composite plug 1, FIG. 2 is a front view of the composite plug 1, and FIG. 3 is a front view of the composite socket device 2, FIG. 4 is a rear view of the composite socket device 2, FIG. 5 is a cross-sectional view taken along line AA of FIG. 3, and FIG. FIG. 2 is a view showing a state where the second and the second are fitted. Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

As shown in FIGS. 1 and 2, the composite plug 1 is attached to the end of the cord 13.
Upper case 9, lower case 10, power plug 11 serving as a power supply unit, optical signal transmitting units 12 a and 12 b, optical signal receiving unit 8
a and 8b. The upper case 9 and the lower case 10 are each formed of an insulating material, and the upper case 9 and the lower case 1
At 0, arc-shaped notches 16a and 16b are formed. The optical signal transmitting units 12a and 12b and the optical signal receiving units 8a and 8b are formed integrally with the upper case 9 and the lower case 10. When the upper case 9 and the lower case 10 are engaged, the notches 16a and 16b are combined to form a through hole through which the power plug 11 can protrude, and the optical signal transmitting units 12a and 12b and the optical signal receiving units 8a and 8b are combined. It becomes a plug shape.

The power plug 11 is separate from the upper case 9 and the lower case 10, and has an intermediate portion covered with a sleeve terminal 42. Further, a pin insertion hole 15 is formed in the power plug 11, and a fork terminal (not shown) is housed and fixed inside the pin insertion hole 15. Code 13 is
The optical fiber cable 14 and a power cord (not shown) are covered with an insulating material to form one bundle.

As shown in FIGS. 3 to 5, the composite socket device 2 is a hollow box type, and has a case 20, a cover 7, a power supply jack 21 as a power supply receiving part, an optical signal transmitting and receiving part 34, an external It comprises a connector 23 for connection and a circuit board 24. The case 20 and the cover 7 are formed from an insulating material. The case 20 has two recesses 30 and through holes 31 formed in a horizontal row. At the bottom of the recess 30, through holes 32a and 32b are formed. A long through hole 33 is formed in the cover 7.

As shown in FIG. 5, the power jack 21 has a pin 25, a switch terminal 26, and a break terminal 27. When the power plug 11 is not inserted, the switch terminal 26 and the break terminal 27 come into contact with each other. ing. Further, a fitting recess 39 is formed.

The optical signal transmitting / receiving section 34 includes a light emitting section 35 and a light receiving section 36. External connection connector 23
Is fixed by engaging a plurality of terminal pins 28 with an insulating housing 38. Further, a fitting recess 40 is formed. The circuit board 24 has conductive circuit patterns (not shown) formed on both sides.

Next, a method of assembling the composite optical signal / power supply connector device will be described. First, composite plug 1
Will be described. First, the outer sheath of the cord 13 is removed to separate the optical fiber cable 14 from the power cord, and the power cord is connected to the sleeve terminal 4 of the power plug 11.
2. Attach and fix to fork terminals and other predetermined terminals. Next, the power plug 11 is attached to the notch 16b of the lower case 10 so that the tip protrudes outside. Next, the optical fiber cable 14 is attached to the optical signal transmitting unit 12a and the optical signal receiving unit 12b such that the distal ends thereof are substantially flush with the optical signal transmitting unit 12a and the optical signal receiving unit 12b. Next, the upper case 9 and the lower case 10 are engaged to complete the composite plug 1. In this state, the power plug 1
1, optical signal transmitting units 12a and 12b, optical signal receiving unit 8a,
The protrusion amounts of 8b are almost the same.

Next, a method of assembling the composite socket device 2 will be described. First, the pin 25 of the power jack 21, the switch terminal 26, and the break terminal 27 are soldered to one surface of the circuit board 24. Next, a terminal (not shown) of the optical signal transmitting / receiving unit 34 is soldered to the same surface of the circuit board 24 on which the power jack 21 is attached. Next, the terminal pins 28 of the external connection connector 23 are soldered to the other surface of the circuit board 24. In this state, the power jack 21
The external connection connector 23 and the optical signal transmitting / receiving section 34 and the external connection connector 23 are electrically connected by a conductive circuit pattern of the circuit board 24. Next, the circuit board 2
4 is attached to the cover 7. Next, cover 7 and case 2
0 and the circuit board 24 is fixed to complete the composite socket device 2. In this state, the light emitting unit 35 is
3A, the light receiving portion 36 is exposed to the outside through the through hole 32b, the fitting recess 39 of the power jack 21 is exposed to the outside of the through hole 31, and the fitting recess 40 of the external connection connector 23 is exposed to the outside through the through hole 33.

When the composite plug 1 and the composite socket device 2 assembled in this manner are fitted together, the roots of the optical signal transmitting parts 12a and 12b engage with the concave part 30 as shown in FIG. At the same time, the distal ends of the optical signal transmitting units 12a and 12b are inserted into the through holes 32b, and the distal end of the optical fiber cable faces the light receiving unit 36. Similarly, the root portions of the optical signal receiving portions 8a and 8b are concavely and convexly engaged with the recesses 30, and the distal end portions of the optical signal receiving portions 8a and 8b are inserted into the through holes 32a.
Into the light emitting section 3
5. On the other hand, the power plug 11 is connected to the power jack 2
3, the contact between the switch terminal 26 and the break terminal 27 is cut off, the fork terminal in the power jack 23 contacts the pin 25, and the sleeve terminal 42 is connected to the switch terminal 26. Contact with.

Thus, the optical signal transmitted from the optical fiber cable of the code 13 is transmitted to the optical signal transmitting unit 12.
a, 12b, input to the light receiving unit 36, and are photoelectrically converted by the optical signal transmitting / receiving unit 34, and then reach the external connection connector 23 through the conductive circuit pattern of the circuit board 24,
The mating connector 41 fitted to the external connection connector 23
Is output to Further, the electric signal input from the mating connector 41 travels through the conductive circuit pattern of the circuit board 24 from the external connection connector 23 and reaches the optical signal transmitting / receiving section 34,
After being photoelectrically converted by the optical signal transmitting / receiving unit 34, the signal is output from the light emitting unit 35, input to the optical signal receiving units 8a and 8b, and
3 is transmitted to the optical fiber cable 14. On the other hand, power supplied from the power cord of the cord 13 is supplied from the power plug 11 to the power jack 21, and
And reaches the external connection connector 23 through the conductive circuit pattern of the external connection connector 23.
Is output to

According to the composite plug 1 and the composite socket device 2, the composite plug 1 includes the power plug 11, the optical signal transmitting units 12a and 12b, and the optical signal receiving units 8a and 8b.
The composite socket device 2 is integrally provided with a power jack 21 and an optical signal transmitting / receiving unit 34. By fitting the pair of composite plugs 1 and the composite socket device 2, transmission and reception of an optical signal and power supply are performed. Therefore, compared to a case where optical signal transmission / reception and power supply are performed by separate connectors, the occupied area when attached to the device is reduced, the size can be reduced, and the device can be easily attached.

Also, since only one cord 13 is required for the composite plug 1, the cord is not entangled and operability is better than when two cables, an optical fiber cable and a power cable, are separately connected. .

The present invention is not limited to the above embodiment, and various modifications can be made within the scope of the present invention. For example, according to the present invention, the power plug 1
Although one is provided, one is the optical signal transmitters 12a and 12b, and one is the optical signal receivers 8a and 8b, any number may be provided. Similarly, the composite socket device 2 is provided with one power jack 21, one optical signal transmitting / receiving unit 34, and one external connection connector 23, but any number of them may be integrated. In short, the function and effect of the present invention can be obtained if the supply of the optical signal and the power can be performed by the pair of the composite plug 1 and the composite socket device 2.

[0025]

As described above, the optical signal of the present invention
Since the power supply composite connector device can transmit and receive an optical signal and supply power with a pair of connectors, the occupied area when attached to the device is reduced, the size can be reduced, and the device can be easily attached to the device. .

[0026]

[Brief description of the drawings]

FIG. 1 is a plan view of a composite plug 1 according to the present invention.

FIG. 2 is a front view of the composite plug 1 according to the present invention.

FIG. 3 is a front view of the composite socket device 2 according to the present invention.

FIG. 4 is a rear view of the composite socket device 2 according to the present invention.

FIG. 5 is a sectional view taken along line AA of FIG. 3;

FIG. 6 is a view for explaining a fitting state between the composite plug 1 and the composite socket device 2 according to the present invention.

FIG. 7 is a plan view of a conventional optical signal plug 100.

FIG. 8 is a front view of a conventional optical signal socket 200.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Composite plug 2 Composite socket device 7 Cover 8a, 8b Optical signal receiving part 9 Upper case 10 Lower case 11 Power supply plug 12a, 12b Optical signal transmitting part 13 Cord 14 Optical fiber cable 15 Pin insertion hole 16a, 16b Notch 20 Case 21 Power supply Jack 23 Connector for external connection 24 Board 25 Pin 26 Switch terminal 27 Break terminal 28 Terminal pin 30 Recess 31 Through hole 32a Through hole 32b Through hole 33 Through hole 34 Optical signal transmitting / receiving unit 35 Light emitting unit 36 Light receiving unit 37 Photoelectric conversion unit 38 Insulating housing 39 Fitting recess 40 Fitting recess 41 Mating connector 42 Sleeve terminal

Claims (2)

[Claims] A plug-side optical signal transmitting unit that outputs an optical signal; a plug-side optical signal receiving unit that receives an optical signal; a power supply unit that supplies power; And a socket device integrally including a socket device-side optical signal transmitting / receiving unit that performs photoelectric conversion, a power-supplied unit to which power is supplied, and an external connection connector, wherein the external connection connector is the socket Outputting an electric signal and a power source photoelectrically converted by the device-side optical signal transmitting / receiving unit to the outside, and outputting an externally input electric signal to the socket device-side optical signal transmitting / receiving unit; Composite connector device. 2. The optical device according to claim 1, wherein the power-supplied portion, the socket-device-side optical signal transmitting / receiving portion, and the external connector are mounted on a same circuit board in the socket device. Composite connector for signal and power.