Photoelectric hybrid plugging device

Abstract

The utility model provides a photoelectric hybrid plugging device, comprising a board end female seat which is fixed on a circuit board and is provided with an installation groove, and a photoelectric conversion assembly and an electric pin are fixed in the installation groove; the wire end male head is in plug-in fit with the mounting groove, and an optical fiber connecting assembly and an electric socket which are respectively connected with the photoelectric conversion assembly and the electric pin are fixed on the wire end male head; the fixed bayonet is arranged on the plate end female seat; and the fixing buckle is fixed on the wire end male head and is used for being clamped with the fixing bayonet so as to realize the fixation of the plate end female seat and the wire end male head. Photoelectric signal conversion is achieved through the photoelectric conversion assembly, power supply conduction is achieved through cooperation of the electric contact pin and the electric socket, an independent power plug does not need to be additionally arranged, convenient plugging and unplugging of the device are achieved through clamping connection of the fixing buckle and the fixing bayonet, and butt joint accuracy is improved through the guiding effect achieved through cooperation of the electric contact pin and the electric socket.

Description

Technical Field

[0001] The utility model relates to the field of information transmission, in particular to an optoelectronic hybrid pluggable device. Background Art

[0002] With the rapid development of the automotive industry and the rapid rise of intelligent driving and assisted driving, the amount of information transmission between various modules inside the vehicle has increased significantly, and at the same time, the requirements for the speed and stability of information transmission have also been continuously improved. This requires a transformation from traditional electrical transmission to optical transmission. Due to the actual operating environment of the vehicle, the limitation of the actual installation space, the fiber core of the optical fiber being in the micron level, and the original electrical signals of each module inside the vehicle, if the information transmission between them is optical signals, then a device is needed to achieve the mutual conversion of optical and electrical signals, be easy to plug and install, and have good reliability.

[0003] However, at present, in the automotive industry, the vast majority is still traditional electrical transmission, and a small part of optical transmission uses plastic optical fibers, whose performance is much lower than that of glass optical fibers. The diameter of glass optical fibers is in the micron level while that of plastic optical fibers is in the millimeter level. Therefore, in terms of the accuracy requirements for optical and electrical conversion plugging and docking, glass optical fibers are also much higher than plastic optical fibers. So, a new type of optoelectronic hybrid pluggable device is needed to solve this problem. Summary of the Utility Model

[0004] Based on the defects existing in the prior art, the utility model provides an optoelectronic hybrid pluggable device, including:

[0005] A board-end female socket, which is fixed on the circuit board, and an installation groove is opened thereon, and an optoelectronic conversion component and an electrical pin are fixed in the installation groove;

[0006] A wire-end male head, which is in plug-in fit with the installation groove, and an optical fiber connection component and an electrical socket respectively connected to the optoelectronic conversion component and the electrical pin are fixed thereon;

[0007] A fixed bayonet, which is opened on the board-end female socket;

[0008] A fixed buckle, which is fixed on the wire-end male head and is used for snap-fitting with the fixed bayonet to realize the fixation of the board-end female socket and the wire-end male head.

[0009] Furthermore, the optoelectronic conversion component includes a photoreceiver module for converting optical signals into electrical signals, and the photoreceiver module includes:

[0010] An optoelectronic diode coaxial packaging device, which is electrically connected to the circuit board;

[0011] An optical fiber interface component, one end of which is connected to the optoelectronic diode coaxial packaging device, and the other end is connected to the optical fiber connection component.

[0012] Further, the photoelectric conversion component includes a light emitter module for converting an electrical signal into an optical signal, and the light emitter module includes:

[0013] A laser transistor coaxial package device, which is electrically connected to the circuit board;

[0014] An optical fiber interface component, one end of which is connected to the laser transistor coaxial package device, and the other end is connected to the optical fiber connection component.

[0015] Further, the interface where the optical fiber interface component is connected to the optical fiber connection component is arranged in a horn shape.

[0016] Further, the optical fiber connection component includes:

[0017] A ceramic ferrule, which is inserted and cooperated with the photoelectric conversion component and coaxially inserted into the optical fiber to fix the optical fiber;

[0018] A ferrule fixing mechanism, which is used to fix the ceramic ferrule on the male terminal head of the wire end.

[0019] Further, a spring for connecting the male terminal head of the wire end is sleeved outside the ferrule fixing mechanism.

[0020] Further, a secondary locking mechanism is also arranged on the male terminal head of the wire end, and the secondary locking mechanism includes:

[0021] A secondary locking guide groove, which is opened on the male terminal head of the wire end;

[0022] A secondary locking buckle, which is slidably connected to the secondary locking guide groove and is connected to one end of the fixing buckle, and is used to drive the fixing buckle to expand and contract and deform when sliding;

[0023] A secondary locking card slot, which is opened at one end of the secondary locking guide groove and is used to be clamped with the boss on the secondary locking buckle to realize the fixation of the secondary locking buckle.

[0024] Further, an anti-slip platform is arranged on the secondary locking buckle.

[0025] Further, the electrical pin is arranged in an L shape, one end of which is embedded in the female terminal of the board end and extends into the installation groove to be connected to the electrical socket, and the other end extends out of the female terminal of the board end to be connected to the circuit board.

[0026] Further, the length of the end of the electrical pin embedded in the female terminal of the board end extending out of the inner wall of the installation groove is greater than the length of the photoelectric conversion component extending out.

[0027] Further, a plurality of positioning posts are fixed on the outer wall of the female terminal of the board end connected to the circuit board, and the positioning posts are fixedly connected to the circuit board.

[0028] Further, a T-shaped grounding piece is provided on the outer wall of the female socket at the board end, and the T-shaped grounding piece is fixedly connected to the circuit board.

[0029] Further, both the installation groove and the installation head of the male plug at the wire end inserted into the installation groove are T-shaped.

[0030] Beneficial effects:

[0031] The technical solution of the present utility model realizes photoelectric conversion by setting a light emitter module and a light receiver module. At the same time, the convenient insertion and extraction of the female socket at the board end and the male plug at the wire end are realized by the clamping of the fixed bayonet and the fixed buckle. When the male plug at the wire end is inserted into the female socket at the board end, the fixed buckle is locked by the secondary locking buckle, avoiding the disconnection of the fixed buckle caused by the vibrating working environment in the vehicle, and further improving the reliability of the device.

[0032] Also, by setting the electrically inserted pins and electrical sockets in plug-in cooperation, the power conduction function is achieved, so that both optical signal transmission and power transmission can be realized simultaneously, meeting the usage scenarios that require power conduction and optical signal transmission, and meeting different usage requirements without the need to additionally install a set of independent power plugs and power sockets, which can simplify the product structure and make it more convenient to use.

[0033] At the same time, the length of the electrically inserted pin extending into the installation groove is greater than that of the photoelectric conversion component. Thus, when the female socket at the board end is connected to the male plug at the wire end, the cooperation between the electrically inserted pin and the electrical socket can play a guiding role. Combined with the ferrule fixing mechanism, the ceramic ferrule can axially move and swing, realizing convenient insertion and extraction while achieving the precise docking between the ceramic ferrule and the optical fiber interface component. Description of the drawings

[0034] The following drawings only schematically illustrate and explain the present utility model and do not limit the scope of the present utility model.

[0035] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0036] Figure 2 It is a schematic diagram of the docking end of the female socket at the board end of an embodiment of the present utility model.

[0037] Figure 3 It is a schematic diagram of the structure of the male plug at the wire end of an embodiment of the present utility model.

[0038] Figure 4 It is a schematic diagram of the structure of the photoelectric conversion component of an embodiment of the present utility model.

[0039] Figure 5 It is a schematic diagram of the structure of the secondary locking buckle of an embodiment of the present utility model.

[0040] Figure 6Schematic diagram of the rear side of the female board end socket according to an embodiment of the present utility model.

[0041] Description of reference numerals: 1, circuit board; 2, female board end socket; 3, male wire end plug; 4, installation groove; 5, optoelectronic conversion component; 51, coaxial package device of photodiode; 52, coaxial package device of laser transistor; 53, fiber optic interface component; 6, electrical pin; 7, fiber optic connection component; 71, ceramic ferrule; 72, ferrule fixing mechanism; 8, electrical socket; 9, fixing bayonet; 10, fixing buckle; 11, secondary locking mechanism; 12, secondary locking guide groove; 13, secondary locking buckle; 14, boss; 15, anti-slip table; 16, positioning post; 17, T-shaped grounding piece; 18, installation head. Detailed implementation manners

[0042] For a clearer understanding of the technical features, objectives, and effects of this article, the detailed implementation manners of the present utility model are now described with reference to the accompanying drawings. The same reference numerals in each figure represent the same parts. To make the drawings concise, the relevant parts of the present utility model are schematically shown in each figure, rather than representing their actual structures as products. Additionally, for the sake of conciseness and easy understanding of the drawings, in some figures, components with the same structure or function are only schematically shown for one of them, or only one of them is marked.

[0043] In the present utility model, "connection" can include both direct connection and indirect connection, communication connection, and electrical connection, unless otherwise specifically stated.

[0044] The terms used herein are for the purpose of describing specific embodiments only and are not intended to limit the present disclosure. As used herein, the singular forms "a", "an", and "the" are also intended to include the plural forms, unless the context clearly dictates otherwise. It will also be understood that when used in the specification, the terms "comprises" and / or "comprising" mean the presence of the stated features, values, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, values, steps, operations, elements, components, and / or groups thereof. As used herein, the term "and / or" includes any and all combinations of one or more of the listed related items.

[0045] The present utility model provides an optoelectronic hybrid plugging device, as Figures 1 to 6 shown, including a circuit board 1, a female board end socket 2, and a male wire end plug 3. An installation groove 4 is axially formed in the female board end socket 2, and the cross-section of the opening of the installation groove 4 is T-shaped. A protrusion is integrally formed on the top of the female board end socket 2, and a fixing bayonet 9 communicating with the installation groove 4 is formed at the protrusion.

[0046] An installation head 18 is integrally formed on the male terminal head 3. The installation head 18 is arranged in a T shape and is inserted and matched with the installation groove 4. Since both the installation head 18 and the installation groove 4 are in a T shape, it is convenient for users to achieve blind insertion. A fixing buckle 10 is fixed on the top of the installation head 18. The board-end female socket 2, the line-end male head 3, and the fixing buckle 10 are all injection-molded with a compound having high heat resistance, high strength, and excellent electrical properties. The fixing buckle 10 is in a strip shape, and a bent portion is formed in the middle thereof. When the installation head 18 is inserted into the installation groove 4, the fixing buckle 10 is pressed and deformed, and then the bent portion of the fixing buckle 10 is inserted into the fixing bayonet 9, so as to realize the locking of the board-end female socket 2 and the line-end male head 3 by the clamping of the bent portion and the fixing bayonet 9.

[0047] An optoelectronic conversion component 5 is installed in the installation groove 4, such as Figure 4 shown. The optoelectronic conversion component 5 includes a photoreceiver module and a phototransmitter module that are arranged in parallel in the installation groove 4 and are used for converting optical signals into electrical signals and converting electrical signals into optical signals, respectively. The photoreceiver module includes a photodiode coaxial packaging device 51 and an optical fiber interface component 53 with one end connected to the photodiode coaxial packaging device 51. The photodiode coaxial packaging device 51 is fixed at the bottom of the installation groove 4 and is electrically connected to the circuit board 1. The phototransmitter module includes a laser transistor coaxial packaging device 52 and an optical fiber interface component 53 with one end connected to the laser transistor coaxial packaging device 52. The laser transistor coaxial packaging device 52 is fixed at the bottom of the installation groove 4 and is electrically connected to the circuit board 1.

[0048] As Figure 3 shown, a fiber optic connection component 7 is arranged on the line-end male head 3 corresponding to the optoelectronic conversion component 5. The fiber optic connection component 7 includes a set of ferrule fixing mechanisms 72 that are respectively corresponding to the phototransmitter module and the photoreceiver module and are embedded in parallel inside the installation head 18. The ferrule fixing mechanism 72 is axially provided with a through hole, and a ceramic ferrule 71 is inserted in the through hole. One end of the ceramic ferrule 71 extends out of the installation head 18 so as to be inserted and matched with the optical fiber interface components 53 of the photoreceiver module and the phototransmitter module. The glass optical fiber passes through the line-end male head 3 and the ferrule fixing mechanism 72 and is coaxially inserted into the ceramic ferrule 71, and the end of the glass optical fiber is flush with the end face of the ceramic ferrule 71. When the ceramic ferrule 71 is inserted into the optical fiber interface component 53, the glass optical fiber can transmit the optical signal to the photodiode coaxial packaging device 51 and convert it into an electrical signal, or can couple the electrical signal emitted by the circuit board 1 into the glass optical fiber after being converted into an optical signal by the laser transistor coaxial packaging device 52, so as to transmit the signal through the optical fiber.

[0049] When the male line end 3 is inserted into the female board end 2, for the convenience of insertion and extraction, there is a preset tolerance between the installation head 18 and the installation groove 4, resulting in inaccurate and unreliable docking between the ceramic ferrule 71 and the optical fiber interface component 53. In order to more conveniently and accurately insert the ceramic ferrule 71 into the optical fiber interface component 53, the interface where the optical fiber interface component 53 is docked with the ceramic ferrule 71 is arranged in a flared shape. At the same time, a spring is sleeved outside the ferrule fixing mechanism 72, so that the ferrule fixing mechanism 72 can drive the ceramic ferrule 71 to expand and contract in its axial direction and swing within a certain range around the axis under the action of the spring. At this time, when the installation head 18 is inserted into the installation groove 4, the ceramic ferrule 71 is inserted into the optical fiber interface component 53. Because the opening size of the optical fiber interface component 53 is larger, the ceramic ferrule 71 does not need to be precisely aligned with the axis of the optical fiber interface component 53, and the ceramic ferrule 71 can move axially and swing under the action of the spring. Therefore, during the process of inserting the ceramic ferrule 71 into the optical fiber interface component 53, it will abut against the inner wall of the optical fiber interface component 53 and slowly adjust to the aligned state.

[0050] The existing optical - electrical converter can only realize the conversion of optical - electrical signals, and it does not have a built - in power conduction function, unable to meet the usage scenarios that require power conduction. An electrical socket 8 is provided on the male line end 3 of this application. The cable passes through the male line end 3 and is electrically connected to the electrical socket 8. An electrical pin 6 is provided on the female board end 2 corresponding to the electrical socket 8, and one end of the electrical pin 6 is electrically connected to the circuit board 1. When the male line end 3 is inserted into the female board end 2, the electrical pin 6 is inserted and matched with the electrical socket 8, thereby realizing the conduction of power.

[0051] In order to further improve the accuracy of the insertion and extraction docking of the optical - electrical conversion device, the electrical pin 6 is arranged in an L - shape. One end of it is embedded in the female board end 2 and extends into the installation groove 4, and the end of the electrical pin 6 extending into the installation groove 4 is arranged in the same direction as the optical fiber interface component 53. At the same time, the length of the electrical pin 6 extending into the installation groove 4 is greater than the length of the optical fiber interface component 53 extending into the installation groove 4. Thus, when the installation head 18 is inserted into the installation groove 4, the electrical socket 8 and the electrical pin 6 start to dock earlier than the ceramic ferrule 71 and the optical fiber interface component 53, so that a guiding function can be realized during the insertion.

[0052] Since the male line end 3 and the female board end 2 are connected by clamping with the fixing buckle 10 and the fixing bayonet 9, and the optical - electrical hybrid plug - and - play device is applied to an automobile, the vibration application scenario will increase the risk of the fixing buckle 10 disengaging from the fixing bayonet 9, thereby causing the disconnection between the male line end 3 and the female board end 2. To enhance the connection reliability between the male line end 3 and the female board end 2, a secondary locking mechanism 11 is also provided on the male line end 3.

[0053] Such as Figure 1As shown, the secondary lock mechanism 11 includes a secondary lock buckle 13, a secondary lock guide groove 12 and a secondary lock buckle groove (not shown in the figure), the secondary lock guide groove 12 is opened on the outer wall of the end of the wire end male head 3 away from the installation head 18, and the secondary lock buckle 13 is embedded in the secondary lock guide groove 12 and slidably cooperates with the secondary lock guide groove 12. Figure 3 As shown, the end of the secondary lock buckle 13 near the mounting head 18 is connected to the fixed buckle 10, so that when the secondary lock buckle 13 slides, it drives the fixed buckle 10 to stretch and deform. The secondary lock slot is opened at the end of the secondary lock guide groove 12 near the mounting head 18, as shown in FIG. Figure 5 As shown, the secondary lock buckle 13 is set in a U shape, and the two ends of the opening are provided with bosses 14. When the secondary lock buckle 13 slides to the corresponding position, the boss 14 of the secondary lock buckle 13 is embedded in the secondary lock slot to fix the secondary lock buckle 13, thereby limiting the telescopic deformation of the fixed buckle 10. When the male connector 3 at the wire end is inserted into the female connector 2 at the board end, the ceramic ferrule 71 can be accurately inserted into the optical fiber interface component 53 due to the guiding effect of the L-shaped electrical pin 6 and the electrical socket 8 and the matching relationship of the shell. At the same time, the fixed buckle 10 is engaged with the fixed bayonet 9 to achieve a fixed connection between the male connector 3 at the wire end and the female connector 2 at the board end, and then the secondary lock buckle 13 is pushed to embed the boss 14 of the secondary lock buckle 13 into the secondary lock slot, and the secondary lock buckle 13 is locked, so that the fixed buckle 10 cannot be removed from the fixed bayonet 9, thereby improving the reliability of the connection of the optoelectronic hybrid device.

[0054] In order to facilitate pushing and pulling the secondary lock buckle 13 for secondary locking, an anti-slip platform 15 is fixed to the end of the secondary lock buckle 13 away from the mounting head 18. In this embodiment, the top of the anti-slip platform 15 adopts a plurality of densely arranged columnar structures, thereby enhancing the friction of the anti-slip platform 15 and making it convenient for users to push and pull the secondary lock buckle 13.

[0055] like Figure 6 As shown, a plurality of positioning posts 16 are fixed on the outer wall where the board end female socket 2 is connected to the circuit board 1, and a plurality of T-shaped grounding plates 17 are also fixed on the side wall of the board end female socket 2. The board end female socket 2 is fixed on the circuit board 1 by the positioning posts 16, the T-shaped grounding plates 17 and the L-shaped electrical pins 6. The positioning posts 16, the T-shaped grounding plates 17 and the L-shaped electrical pins 6 are used for limiting and enhancing the overall connection strength.

[0056] The above is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment. It is clear to those skilled in the art that the form in the embodiment is not limited thereto, and the adjustable manner is not limited thereto. It is understood that other improvements and changes directly derived or associated with by those skilled in the art without departing from the basic concept of the present invention should be considered to be included in the protection scope of the present invention.

Claims

1. An optoelectronic hybrid pluggable device, characterized in that, Comprising: A board-end female socket, which is fixed on the circuit board and is provided with a mounting groove therein, and an optoelectronic conversion component and an electrical pin are fixed in the mounting groove; A wire-end male head, which is inserted and matched with the mounting groove and is fixed with an optical fiber connection component and an electrical socket respectively connected to the optoelectronic conversion component and the electrical pin; A fixing bayonet, which is opened on the board-end female socket; A fixing buckle, which is fixed on the wire-end male head and is used for clamping with the fixing bayonet to realize the fixation of the board-end female socket and the wire-end male head.

2. The optical and electrical hybrid pluggable device according to claim 1, characterized in that, The optoelectronic conversion component includes a photoreceiver module for converting an optical signal into an electrical signal, and the photoreceiver module includes: A photodiode coaxial packaging device, which is electrically connected to the circuit board; An optical fiber interface component, one end of which is connected to the photodiode coaxial packaging device and the other end of which is connected to the optical fiber connection component.

3. The optoelectronic hybrid pluggable device according to claim 1, wherein The optoelectronic conversion component includes a light emitter module for converting an electrical signal into an optical signal, and the light emitter module includes: A laser transistor coaxial packaging device, which is electrically connected to the circuit board; An optical fiber interface component, one end of which is connected to the laser transistor coaxial packaging device and the other end of which is connected to the optical fiber connection component.

4. An optoelectronic hybrid pluggable device according to claim 2 or 3, characterized in that, The interface where the optical fiber interface component is connected to the optical fiber connection component is arranged in a horn shape.

5. The optical and electrical hybrid pluggable device according to claim 1, wherein The optical fiber connection component includes: A ceramic ferrule, which is inserted and matched with the optoelectronic conversion component and coaxially inserts an optical fiber to fix the optical fiber; A ferrule fixing mechanism, which is used for fixing the ceramic ferrule on the wire-end male head.

6. The optoelectronic hybrid pluggable device according to claim 5, wherein A spring for connecting the wire-end male head is sleeved outside the ferrule fixing mechanism.

7. The optoelectronic hybrid pluggable device according to claim 1, characterized in that, A secondary locking mechanism is further arranged on the wire-end male head, and the secondary locking mechanism includes: A secondary locking guide groove, which is opened on the wire-end male head; A secondary locking buckle, which is slidably connected with the secondary locking guide groove and is connected to one end of the fixing buckle, and is used for driving the fixing buckle to expand and contract and deform when sliding; A secondary locking groove is opened at one end of the secondary locking guide groove and is used for clamping with a boss on the secondary locking buckle to realize the fixation of the secondary locking buckle.

8. The optoelectronic hybrid pluggable device according to claim 7, characterized in that An anti-slip platform is arranged on the secondary locking buckle.

9. The optoelectronic hybrid pluggable device according to claim 1, wherein The electrical pin is arranged in an L shape, one end of which is embedded in the board-end female socket and extends into the mounting groove to be connected to the electrical socket, and the other end extends out of the board-end female socket and is connected to the circuit board.

10. A hybrid optoelectronic pluggable device according to claim 9, characterized in that, The length that the end of the electrical pin embedded in the board-end female socket extends into the mounting groove is greater than the length that the optoelectronic conversion component extends into.

11. The optoelectronic hybrid pluggable device according to claim 1, wherein, A plurality of positioning posts are fixed on the outer wall of the board-end female socket connected to the circuit board, and the positioning posts are fixedly connected to the circuit board.

12. The optical and electrical hybrid pluggable device according to claim 1, wherein A T-shaped grounding piece is arranged on the outer wall of the board-end female socket, and the T-shaped grounding piece is fixedly connected to the circuit board.

13. The optoelectronic hybrid pluggable device according to claim 1, wherein, Both the mounting groove and the mounting head of the wire-end male head embedded in the mounting groove are arranged in a T shape.

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