阅读说明：本技术 一种光电信号转接连接器 (Photoelectric signal adapter connector ) 是由 苏勇 潘亚楠 向伟明 于 2021-02-25 设计创作，主要内容包括：本发明公开了一种光电信号转接连接器,属于电子技术领域,包含盒体本体、电连接器和光连接器,盒体本体为金属材质,设有转换腔和控制腔,转换腔内设有器件安装位,转换腔和控制腔之间设有玻封焊接的插针,转换腔器件安装位的底面设有延伸到盒体本体外侧的导热块,所述盒体本体上还设有控制连接器。该连接器外壳为铜,设有层,导线采用玻封焊接,连接器强度高,外形仅58mm*45mm*13mm,可供四组高速信号转换。该连接器设计合理,抗干扰强,信号质量高,导热性能好；具有体积小、转化质量高、适用功率大的显著优点,可供航天、航空或军事等特殊领域使用。(The invention discloses a photoelectric signal switching connector, which belongs to the technical field of electronics and comprises a box body, an electric connector and an optical connector, wherein the box body is made of metal and is provided with a switching cavity and a control cavity, a device mounting position is arranged in the switching cavity, a contact pin welded by a glass seal is arranged between the switching cavity and the control cavity, a heat conducting block extending to the outer side of the box body is arranged on the bottom surface of the device mounting position of the switching cavity, and the control connector is also arranged on the box body. The connector shell is made of copper and is provided with layers, the wires are welded by adopting glass seals, the connector is high in strength, the shape is only 58mm x 45mm x 13mm, and four groups of high-speed signals can be converted. The connector has the advantages of reasonable design, strong interference resistance, high signal quality and good heat-conducting property; the device has the remarkable advantages of small volume, high conversion quality and large applicable power, and can be used in special fields of aerospace, aviation, military and the like.)

1. The utility model provides a connector is changeed to photoelectricity signal, contains box body, electric connector (1) and optical connector (4), characterized by: the box body is made of metal, a conversion cavity and a control cavity are arranged on the box body, a device installation position is arranged in the conversion cavity, a glass seal welded contact pin (8) is arranged between the conversion cavity and the control cavity, a heat conduction block (9) extending to the outer side of the box body is arranged on the bottom surface of the device installation position of the conversion cavity, and a control connector (5) is further arranged on the box body.

2. An optical-to-electrical signal conversion connector as claimed in claim 1, wherein: the heat conducting block (9) is made of tungsten copper, the box body is made of copper, the surface of the box body is plated with nickel and then welded with the heat conducting block (9) through silver-copper brazing filler metal, and then surface gold plating is carried out.

3. An optical-to-electrical signal conversion connector as claimed in claim 1, wherein: the laser sealing device is characterized in that a pressing plate (7) is arranged in the conversion cavity, cover plates are arranged on the outer sides of the conversion cavity and the outer side of the control cavity, and the cover plates of the conversion cavity are sealed through laser sealing.

4. An optical-to-electrical signal conversion connector as claimed in claim 1, wherein: optical connector (4) and box body welded connection are equipped with the welding in optical connector (4) and have sapphire glass optical window to plate AR membrane, wavelength 1270~1370nm, luminousness > 98%.

5. An optical-to-electrical signal conversion connector as claimed in claim 1, wherein: the shell of the control connector and the box body are of an integral structure, and the internal lead is welded and fixed by adopting a glass seal; the internal lead of the electric connector (1) is welded and fixed by adopting a glass seal, and the electric connector (1) and the box body are welded by adopting AuSn.

6. An optical-to-electrical signal conversion connector as in claim 3 wherein: the heat conduction block (9) of the conversion cavity extends to the outer side of the box body through the control cavity, the cover plate of the control cavity does not seal the heat conduction block (9), and the outer side surface of the heat conduction block (9) is 0.01-0.06mm higher than the outer side of the cover plate.

7. An optical-to-electrical signal conversion connector as in claim 3 wherein: the box body is provided with a plurality of fixing holes (10); the pressing plate (7) is connected with the fixing hole (10) through a screw to fix the device in the conversion cavity.

8. An optical-to-electrical signal conversion connector as claimed in claim 1, wherein: the size of the box body is 58mm 45mm 13 mm.

Technical Field

The invention relates to the field of electric connectors, in particular to a photoelectric signal switching connector.

Background

Optical fiber communications (optical fiber communications) is one of the main pillars of modern communications, and is used in telecommunication networks, aerospace, aviation and military fields. In recent years, optical fiber communication has been developed rapidly, and has been applied widely, and is a rare communication history, and is an important mark of the world's new technical revolution and a main transmission tool of various information in the future information society.

The optical fiber is called optical fiber for short. Optical fiber communication is a communication mode in which light waves are used as information carriers and optical fibers are used as transmission media. In principle, the basic material elements constituting optical fiber communication are an optical fiber, a light source, and a photodetector. In addition to optical fibers classified by manufacturing process, material composition and optical characteristics, optical fibers are classified by their applications, and can be classified into optical fibers for communication and optical fibers for sensing. The transmission medium optical fiber is divided into general and special optical fibers, and the functional device optical fiber is an optical fiber for completing the functions of light wave amplification, shaping, frequency division, frequency multiplication, modulation, optical oscillation and the like, and is often presented in the form of a certain functional device.

Optical fiber communication is generally applied to long-distance transmission, and then is converted into an electric signal through photoelectric conversion equipment, so that the further utilization can be carried out.

The shell of the general photoelectric signal switching connector is made of plastic, so that the strength and the stability are poor, and the requirements of equipment miniaturization and severe environment use cannot be met.

Disclosure of Invention

The present invention is directed to overcome the above-mentioned problems in the prior art, and to provide a miniaturized, stable and strong optical-electrical signal adapting connector.

In order to achieve the purpose, the technical scheme is as follows:

the utility model provides a photoelectric signal adaptor connector, contains box body, electric connector and optical connector, the box body is the metal material, is equipped with conversion chamber and control chamber on the box body, the conversion intracavity is equipped with converter installation position, the control intracavity is equipped with conversion controller, be equipped with glass between conversion chamber and the control chamber and seal welded contact pin, the bottom surface of converter installation position is equipped with the heat conduction piece that extends to the box body outside, still be equipped with control connector on the box body.

Further, the heat conducting block is made of tungsten copper, the box body is made of copper, the box body is welded with the heat conducting block through silver copper brazing filler metal after nickel is electroplated on the surface of the box body, and then surface gold plating is carried out.

Furthermore, a pressing plate is arranged in the conversion cavity, cover plates are arranged on the outer sides of the conversion cavity and the outer side of the control cavity, and the cover plates of the conversion cavity are sealed through laser seal welding.

Further, optical connector and box body welded connection are equipped with the welding in the optical connector and have sapphire glass optical window to plate AR membrane, wavelength 1270~1370nm, luminousness > 98%.

Furthermore, the shell of the control connector and the box body are of an integral structure, and the internal lead is welded and fixed by adopting a glass seal; the internal lead of the electric connector is welded and fixed by adopting a glass seal, and the electric connector and the box body are welded by adopting AuSn.

Furthermore, the heat conduction block of the conversion cavity extends to the outer side of the box body through the control cavity, the cover plate of the control cavity does not seal the heat conduction block, and the outer side surface of the heat conduction block is 0.01-0.06mm higher than the outer side of the cover plate.

Furthermore, a plurality of fixing holes are formed in the box body; the pressing plate is connected with the fixing hole through a screw to fix the device in the conversion cavity.

Further, the size of the box body is 58mm by 45mm by 13 mm.

The beneficial effect who adopts above-mentioned scheme does: the photoelectric signal switching connector adopts metal copper as a shell and is provided with a plurality of layers of plating layers, the conductor of the connector adopts glass seal welding, and devices adopt brazing welding; the strength of the crossed plastic shell connector is greatly improved, the connector can be designed in a miniaturized mode, the shape is only 58mm by 45mm by 13mm, and four groups of high-speed signals can be converted. The control cavity of the connector is isolated from the photoelectric conversion cavity, the conversion cavity is sealed by welding, the anti-interference performance is high, and the signal quality is greatly improved. The connector conversion cavity is provided with the heat conduction block extending to the outer side and plated with gold, so that the heat dissipation performance of the miniaturized, high-power and high-quality photoelectric conversion connector is greatly improved. The connector has the advantages of reasonable design, small volume, high conversion quality and high applicable power, and can be used in special fields such as aerospace, aviation or military.

Drawings

Fig. 1 is a schematic structural diagram of an optical-electrical signal adapter connector according to the present invention.

Fig. 2 is a right side schematic view of fig. 1.

Fig. 3 is a left side schematic view of fig. 1.

Fig. 4 is a back schematic view of fig. 1.

Fig. 5 is a schematic perspective view of an optical-electrical signal adapter connector according to the present invention.

Fig. 6 is a schematic perspective view of an optical-electrical signal adapter connector according to the present invention.

Fig. 7 is a schematic structural diagram of an electrical connector in the optical electrical signal switching connector according to the present invention.

Fig. 8 is a schematic structural diagram of a compression plate in the optical-electrical signal switching connector according to the present invention.

Fig. 9 is a schematic structural view of a pressing plate in embodiment 2 of the present invention.

Fig. 10 is a schematic structural view of the cover plate B of the present invention.

Fig. 11 is a schematic structural view of an optical connector according to the present invention.

In the figure, an electric connector-1, a converter A-2, a converter B-3, an optical connector-4, a control connector-5, a cover plate A-6, a pressure plate-7, a contact pin-8, a heat conduction block-9, a fixing hole-10 and a cover plate B-11.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, examples of which are shown in the drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements, unless otherwise indicated.

It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 to 11, a connector for optical-electrical signal conversion comprises a box body, an electrical connector 1 and an optical connector 4, wherein the box body is made of metal, a conversion cavity and a control cavity are arranged on the box body, a converter installation position is arranged in the conversion cavity, a conversion controller is arranged in the control cavity, a glass seal welded contact pin 8 is arranged between the conversion cavity and the control cavity, a heat conduction block 9 extending to the outer side of the box body is arranged on the bottom surface of the converter installation position, and a control connector 5 is further arranged on the box body. The heat conduction block 9 is made of tungsten copper, the box body is made of copper, the surface of the box body is plated with nickel, then the box body is welded with the heat conduction block 9 through silver-copper brazing filler metal, and then surface gold plating is carried out.

As shown in fig. 7, the electrical connector 1 is provided with a wire terminal as a signal source. The electrical signal enters the connector from the electrical connector 1, passes through the converter A-2 and the converter B-3 in the conversion cavity to become a laser signal, and is transmitted out through the optical connector 4 and the optical fiber.

The box body of the traditional photoelectric signal switching connector is made of plastic materials, so that the strength is low and the bearable power is low. The adoption of the metal box body needs to solve the problems of insulation, sealing and the like. This scheme adopts the welding of conductor glass seal to guarantee insulating nature, and the conversion chamber adopts welded seal to solve sealed problem and anti-interference problem. Aiming at the heating of the high-power laser generator, the tungsten-copper heat conducting block 9 is designed, so that the heat dissipation performance can be obviously enhanced. The tungsten copper heat conducting block 9 extends to the outer side of the box body and radiates heat through the contact radiating fins.

Fig. 1 is a schematic structural diagram of the electrical signal adapter box according to the present invention, fig. 2 is a schematic diagram of a right side, fig. 3 is a schematic diagram of a left side, fig. 4 is a schematic diagram of a back, and fig. 5 and fig. 6 are schematic perspective structural diagrams. The dimensions of the body of the cartridge in the figure are 58mm 45mm 13 mm.

Optical connector 4 and box body welded connection are equipped with the welding in the optical connector 4 and have sapphire glass light window to plate AR membrane, wavelength 1270~1370nm, luminousness > 98%. The shell of the control connector and the box body are of an integral structure, and the internal lead is welded and fixed by adopting a glass seal; the internal lead of the electric connector 1 is welded and fixed by adopting a glass seal, and the electric connector 1 and the box body are welded by adopting AuSn. The heat conducting block 9 of the conversion cavity extends to the outer side of the box body through the control cavity, the cover plate of the control cavity does not seal the heat conducting block 9, and the outer side surface of the heat conducting block 9 is 0.01-0.06mm higher than the outer side of the cover plate.

As shown in fig. 8, a pressure plate 7 is arranged in the conversion cavity, cover plates are arranged on the outer sides of the conversion cavity and the control cavity, and the cover plates of the conversion cavity are sealed by laser seal welding. The box body is provided with a plurality of fixing holes 10; the pressing plate 7 is connected with the fixing hole 10 through a screw to fix the device in the conversion cavity. The photoelectric conversion device is arranged in the conversion cavity, the requirements on interference resistance and sealing performance are very high, the photoelectric conversion device is fixed through the pressing plate 7 after being installed, the box body cover plate is welded, and the conversion cavity is sealed through the cover plate A-6.

The control connector 5 is connected into the control cavity through a flexible wire and then enters the conversion cavity through a glass sealing pin, and a cover plate of the control cavity is fixed by screws, as shown in fig. 10.

Example 2

In which the leakage rate of the electrical connector 1 is lower than 1X10^-3Pa.cm³and/S. The insulation resistance between the pins 8 is larger than 1000M omega (500V-DC), and the dielectric withstand voltage is larger than 500V.

The surface of the heat conducting block 9 is required to be flat and smooth. The outer side of the control connector 5 is in a jack shape, the inner side of the control connector is in an outer pin shape, and 20-30 control signals are arranged in the control connector 5 and correspond to four groups of photoelectric conversion.

As shown in fig. 9, the pressing plates 7 in the conversion cavity can be arranged in multiple layers, and are respectively fixed for more conversion cavity devices, and after the fixing, the cover plate is conveniently welded and sealed. The box body, the pressing plate 7 and the inner side face of the cover plate are provided with milling grooves with the depth of 0.5mm, so that the placement or the interval of internal devices are facilitated.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.