CN114144054A - Photoelectric conversion module for vehicle-mounted Ethernet - Google Patents

Abstract

The invention discloses a photoelectric conversion module for a vehicle-mounted Ethernet, and relates to the technical field of vehicle-mounted conversion modules. The photoelectric module conversion device comprises a positioning shielding base, wherein a photoelectric module conversion function PCB is fixedly connected to the inner side of the positioning shielding base, and a module plugboard pin is fixedly connected to the top end of one side of the photoelectric module conversion function PCB. According to the invention, through the design of the vehicle-mounted Ethernet photoelectric conversion module, the working temperature can support minus 40 ℃ to 105 ℃, and through the design of the vehicle-mounted photoelectric module function PCB board, photoelectric conversion is conveniently realized, so that the vehicle-mounted Ethernet optical fiber connection is realized, the requirement of high-speed data transmission is better met, the network bandwidth can be increased to 10G-100G, and through the matching design of the module assembly shielding plastic shell and the positioning shielding base, the device is convenient to improve the use effect in the environment with complex vehicle-mounted modules and higher electromagnetic interference, and through the integral design, the vehicle-mounted Ethernet optical fiber is introduced to play a role of simplifying the network, and the cost is further reduced.

Description

Photoelectric conversion module for vehicle-mounted Ethernet

Technical Field

The invention belongs to the technical field of vehicle-mounted conversion modules, and particularly relates to a photoelectric conversion module for a vehicle-mounted Ethernet.

Background

In the interface form of the vehicle-mounted Ethernet wiring harness in the market at present, connecting wires made of copper are used as signal transmission carriers, and with the intelligent development of automobiles, the requirement for quickly and reliably transmitting larger data volume is met, and a signal transmission system means that data signals such as audio and video are transmitted without interference in a poor environment, but the electrical performance of the existing vehicle-mounted Ethernet connection system product has the following problems: the connector loss is high, the electromagnetic interference is high, the EMC shielding effectiveness of the product is strict, and the product cost is high, so that a new solution to the above problem needs to be provided.

Disclosure of Invention

The invention aims to provide a photoelectric conversion module for a vehicle-mounted Ethernet, which is used for solving the existing problems: the connector loss is high, the electromagnetic interference is high, the EMC shielding effectiveness of the product is strictly required, and the product cost is high.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the utility model provides a be used for on-vehicle ethernet photoelectric conversion module, includes the positioning and shielding base, the inboard fixedly connected with photoelectric module conversion function PCB board of positioning and shielding base, the top fixedly connected with module picture peg needle of photoelectric module conversion function PCB board one side, the top joint of positioning and shielding base has module matched stack shielding to mould the shell, the one end joint that module matched stack shielding moulded the shell has the line terminal joint structure.

Furthermore, the module assembly shielding plastic shell comprises a front end and a rear end, wherein the front end is used for connecting a connector of a vehicle-mounted Ethernet optical fiber connection wiring harness to form a clamping structure, and the rear end is used for forming protection of a shielding cover of the photoelectric module conversion function PCB and protecting the photoelectric module conversion function PCB inside, so that the shielding efficiency of water resistance, dust resistance and EMC is achieved.

Furthermore, one end of the wire end clamping structure is provided with a clamping structure, and the clamping structure is used for providing a secondary locking function.

Furthermore, a vehicle-mounted ethernet photoelectric conversion module is mounted on the top end of the photoelectric module conversion function PCB.

Compared with the prior art, the invention has the beneficial effects that:

(1) the invention can support the working temperature of-40 ℃ to 105 ℃ by the design of the vehicle-mounted Ethernet photoelectric conversion module.

(2) According to the invention, through the design of the vehicle-mounted photoelectric module function PCB, photoelectric conversion is conveniently realized, so that the vehicle-mounted Ethernet optical fiber connection is enabled to better meet the requirement of high-speed data transmission, and the network bandwidth can be increased to 10G-100G.

(3) According to the invention, through the matching design of the module assembly shielding plastic shell and the positioning shielding base, the device is convenient to improve the use effect in the environment with complicated vehicle-mounted modules and higher electromagnetic interference.

(4) Through the integral design, the vehicle-mounted Ethernet optical fiber has the effect of simplifying the network and further reduces the cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a module board inserting needle; 2. the module is assembled with a shielding plastic shell; 3. a photoelectric module conversion function PCB board; 4. positioning a shielding base; 5. terminal joint structure.

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1, a photoelectric conversion module for a vehicle-mounted ethernet network includes apositioning shielding base 4, a photoelectric module conversion function PCB 3 is fixedly connected to the inner side of thepositioning shielding base 4, a module inserting pin 1 is fixedly connected to the top end of one side of the photoelectric module conversion function PCB 3, a module assembly shieldingplastic case 2 is clamped to the top end of thepositioning shielding base 4, and a wireend clamping structure 5 is clamped to one end of the module assembly shieldingplastic case 2.

The module assembly shieldingplastic shell 2 comprises a front end and a rear end, wherein the front end is used for connecting a connector of a vehicle-mounted Ethernet optical fiber connection wiring harness to form a clamping structure, and the rear end is used for forming protection of a shielding cover of the photoelectric module conversion function PCB 3 and protecting the photoelectric module conversion function PCB 3 inside, so that waterproof, dustproof and EMC shielding effects are achieved.

One end of the wireend clamping structure 5 is provided with a clamping structure, and the clamping structure is used for providing a secondary locking function.

The top end of the photoelectric module conversionfunction PCB board 3 is provided with a vehicle-mounted Ethernet photoelectric conversion module.

The module plug board pin 1 fixes the photoelectric conversion module by a plug pin mode, and then connects the signal with the vehicle-mounted Ethernet photoelectric conversion module at the position of the photoelectric module conversionfunction PCB board 3 to transmit the signal.

The photoelectric moduleconversion function PCB 3 is an ethernet transmission medium conversion unit for realizing photoelectric conversion and interchanging a short-distance twisted pair electrical signal and a long-distance optical signal.

Thepositioning shielding base 4 is used for supporting the photoelectric moduleconversion function PCB 3 and fixing the photoelectric module, and thepositioning shielding base 4 is completely matched with the module assembly shieldingplastic shell 2 to form a shielding cover shape.

The lineend clamping structure 5 is matched with a connector of a vehicle-mounted Ethernet optical fiber connecting harness, and the requirements of different error-proofing structures of customers can be met.

The high requirement of transmission rate makes the existing wire structure unable to meet the demand, so use the use of the vehicle-mounted Ethernet to quote the optical fiber cable, and this needs to convert the electric signal that the intelligent intellectual union backbone system of electric train produced into the optical signal and can spread in the optic fibre, so need the photoelectric conversion module of vehicle-mounted Ethernet, make it not only can convert the electric signal into the optical signal, can convert the optical signal into the electric signal, the photoelectric conversion module of vehicle-mounted Ethernet is also a transmission media conversion unit of Ethernet exchanging the short-distance twisted pair electric signal and long-distance optical signal;

the working environment in the vehicle-mounted interior has dust and moisture, the consumer photoelectric conversion module can not meet the vehicle-mounted requirement, at the moment, the vehicle-mounted Ethernet photoelectric conversion module is designed at the position of a PCB (printed circuit board) 3 with a photoelectric module conversion function, and apositioning shielding base 4 and a module assembly shieldingplastic shell 2 are additionally arranged;

thepositioning shielding base 4 is used for supporting the photoelectric moduleconversion function PCB 3, fixing the photoelectric conversion module and protecting the photoelectric module conversion function PCB 3 in the positioning shielding base so that the product can be used in a vehicle-mounted environment;

the working environment of the automobile is vibrating, and the wireend clamping structure 5 and the module assembly shieldingplastic shell 2 are firmly locked through the function of the secondary lock by utilizing the secondary lock function of the clamping structure at the wireend clamping structure 5, so that the ceramic contact pin in the connector is butted with the plate end coupler and is completely free from the influence of the vibrating environment;

in order to meet the wiring requirements of customers, a plurality of vehicle-mounted Ethernet optical fiber connecting lines can be arranged inside one vehicle, so that the vehicle-mounted Ethernet photoelectric conversion module is designed into a mistake-proofing structure for being matched with a vehicle-mounted Ethernet optical fiber connector in order to facilitate the identification of the customers, and the customers can identify products according to the required colors and mistake-proofing modes.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (4)

1. The utility model provides a be used for on-vehicle ethernet photoelectric conversion module, its characterized in that, includes positioning shield base (4), the inboard fixed connection of positioning shield base (4) has photoelectric module conversion function PCB board (3), top fixedly connected with module picture peg needle (1) of photoelectric module conversion function PCB board (3) one side, the top joint of positioning shield base (4) has module matched stack shielding to mould shell (2), the one end joint that module matched stack shielding moulded shell (2) has line terminal joint structure (5).

2. The vehicle-mounted ethernet photoelectric conversion module according to claim 1, wherein the module assembly shielding plastic housing (2) comprises a front end and a rear end, the front end is used for providing a clamping structure for a connector of a vehicle-mounted ethernet optical fiber connection harness, and the rear end is used for forming a protection for a shielding cover of a photoelectric module conversion function PCB (3).

3. The vehicle-mounted Ethernet photoelectric conversion module according to claim 2, wherein a clamping structure is arranged at one end of the line end clamping structure (5), and the clamping structure is used for providing a secondary locking function.

4. The vehicle-mounted Ethernet photoelectric conversion module according to claim 3, wherein a vehicle-mounted Ethernet photoelectric conversion module is mounted on the top end of the photoelectric module conversion function PCB (3).

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