CN219659753U - USB changes ethernet module - Google Patents
USB changes ethernet module Download PDFInfo
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- CN219659753U CN219659753U CN202320321890.0U CN202320321890U CN219659753U CN 219659753 U CN219659753 U CN 219659753U CN 202320321890 U CN202320321890 U CN 202320321890U CN 219659753 U CN219659753 U CN 219659753U
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Abstract
The utility model relates to a USB-to-Ethernet module, which comprises a singlechip, an Ethernet module, a USB module, a data storage module and a power conversion module, wherein the Ethernet module, the USB module, the data storage module and the power conversion module are connected with the singlechip, the USB module is electrically connected with the power conversion module, the power conversion module is electrically connected with the data storage module, the USB module transmits USB signals to the singlechip, and the singlechip converts the USB signals into Ethernet signals and then transmits the Ethernet signals to the Ethernet module. The USB signal is conveniently and rapidly converted into the Ethernet signal through the processing of the singlechip, the communication with the ECU is satisfied, the intermediate process is reduced as much as possible, the structure is simple, the installation and the maintenance are convenient, the efficiency is improved, and the state indication is realized. The utility model directly converts the USB into the Ethernet and connects the Ethernet into the Ethernet of the vehicle, thereby completing the related DOIP diagnosis and improving the efficiency of data transmission.
Description
Technical Field
The utility model relates to the technical field of Ethernet modules, in particular to a USB-to-Ethernet module.
Background
Ethernet is one of the most common computer networks in the real world. There are two types of ethernet: the first type is classical ethernet and the second type is switched ethernet, using a device called a switch to connect different computers. Classical ethernet is the original form of ethernet, operating speeds vary from 3-10 Mbps; the switched ethernet is a widely used ethernet, and can operate at high speeds such as 100, 1000 and 10000Mbps, and is presented in the form of fast ethernet, gigabit ethernet and gigabit ethernet, respectively.
In the prior art, in the existing diagnosis technical scheme of the passenger car, the diagnosis of the Ethernet of the vehicle is to forward an instruction once through a VCI, and the VCI forwards a related message of the Ethernet by receiving the instruction of a USB, so that problems of untimely data processing, data loss, slower speed and the like often occur in the forwarding process.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a USB-to-Ethernet module which directly converts USB into Ethernet and is connected into the Ethernet of a vehicle, thereby completing relevant DOIP diagnosis and improving the efficiency of data transmission.
The above object of the present utility model is achieved by the following technical solutions:
the utility model provides a USB changes ethernet module, includes the singlechip and with ethernet module, USB module, data storage module and the power conversion module that the singlechip is connected, the USB module with the power conversion module electricity is connected, the power conversion module with the data storage module electricity is connected, the USB module will USB signal transmission extremely in the singlechip, the singlechip will after the USB signal conversion is ethernet signal transmission extremely in the ethernet module.
The present utility model may be further configured in a preferred example to: the USB module comprises a common mode interference suppression circuit and a first ESD protection circuit which are electrically connected with each other, wherein the common mode interference suppression circuit is used for suppressing common mode interference on a USB communication line, and the first ESD protection circuit is used for preventing damage to a system caused by ESD or electric transient coupled by a wire harness.
The present utility model may be further configured in a preferred example to: the Ethernet module comprises a second ESD protection circuit, a network transformer and an impedance matching circuit which are electrically connected in sequence, wherein the second ESD protection circuit is used for preventing ESD or electric transient coupled by a wire harness from damaging a system, the network transformer is used for adjusting voltage to inhibit common mode interference on an Ethernet data wire, and the impedance matching circuit is used for matching impedance and adjusting signal quality in a mode of adjusting the resistance value of a series resistor on a signal wire.
The present utility model may be further configured in a preferred example to: the USB interface module is connected with the USB module, the USB interface module is used for converting USB signals into signals which can be identified by the singlechip, the serial port module is used for converting the USB signals into Ethernet signals, the Ethernet interface module is respectively connected with the serial port module and the Ethernet module, and the Ethernet interface module is used for transmitting the Ethernet signals into the Ethernet module.
The present utility model may be further configured in a preferred example to: one end of the power conversion module is connected with an input filter circuit, and the other end of the power conversion module is connected with an output filter circuit;
the input filter circuit is used for inhibiting interference generated by the system to prevent the external equipment from being interfered and inhibiting the interference generated by the external equipment to prevent the system from being interfered;
the power supply conversion module can effectively convert the energy provided by the external USB interface through the power supply conversion module and provide the converted energy for the singlechip and other modules;
the output filter circuit is used for suppressing interference generated by the system to prevent the external equipment from being interfered and suppressing the interference generated by the external equipment to prevent the system from being interfered.
The present utility model may be further configured in a preferred example to: the system also comprises a working state indicating module connected with the singlechip.
The utility model may be further configured in a preferred example to: the working state indicating module is an LED indicating lamp.
The utility model may be further configured in a preferred example to: the USB module is connected with the personal computer in a wire harness mode and has electrostatic protection.
The utility model may be further configured in a preferred example to: the Ethernet module is connected with the vehicle in the form of an OBD interface and has electrostatic protection and current injection protection.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the utility model discloses a USB-to-Ethernet module which can conveniently and rapidly convert USB signals into Ethernet signals through the processing of a singlechip, thereby meeting the communication with an ECU, reducing the intermediate process as much as possible, having simple structure, convenient installation and maintenance, improving the efficiency and having state indication.
2. The utility model directly converts the USB into the Ethernet and connects the Ethernet into the Ethernet of the vehicle, thereby completing the related DOIP diagnosis and improving the efficiency of data transmission. The module is simple in structure, convenient to install and maintain, flexible and high in efficiency, supports Android, and is compatible with different vehicle ECUs.
Drawings
FIG. 1 is a block diagram of the overall structure of the present utility model;
FIG. 2 is a system block diagram of the present utility model at the time of application;
FIG. 3 is a schematic diagram of the internal structure of the power conversion module according to the present utility model;
FIG. 4 is a diagram showing an internal structure of a USB module according to the present utility model;
fig. 5 is an internal structure diagram of an ethernet module according to the present utility model.
Reference numerals: 1. a single chip microcomputer; 2. an Ethernet module; 3. a USB module; 4. a data storage module; 5. a power conversion module; 6. and the working state indicating module.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Embodiment one:
referring to fig. 1, the USB-to-ethernet module disclosed in the present utility model includes a single chip microcomputer 1, an ethernet module 2 connected to the single chip microcomputer 1, a USB module 3, a data storage module 4, and a power conversion module 5, where the USB module 3 is electrically connected to the power conversion module 5, the power conversion module 5 is electrically connected to the data storage module 4, the USB module 3 transmits USB signals to the single chip microcomputer 1, and the single chip microcomputer 1 converts the USB signals into ethernet signals and then transmits the ethernet signals to the ethernet module 2.
Referring to fig. 2, the usb module 3 is connected to a personal computer in a wire harness form and has electrostatic protection. The ethernet module 2 is connected to the vehicle in the form of an OBD interface and has electrostatic protection and current injection protection.
Referring to fig. 3, one end of the power conversion module 5 is connected with an input filter circuit, and the other end is connected with an output filter circuit; the input filter circuit is used for inhibiting interference generated by the system to prevent the external equipment from being interfered and inhibiting the interference generated by the external equipment from being interfered; the power supply conversion module 5 can effectively convert the energy provided by the external USB interface through the power supply conversion module 5 and provide the converted energy for the singlechip 1 and other modules; and the output filter circuit is used for inhibiting the interference generated by the system to prevent the external equipment from being interfered and inhibiting the interference generated by the external equipment to prevent the interference generated by the system.
The power supply conversion module 5, the input filter circuit and the output filter circuit form a power supply module, and the power supply module converts the USB power supply provided by the outside of the utility model into a power supply for internal use. The circuit structure of the power supply module comprises an input filter circuit, an output overload protection function, an output short-circuit protection function and a high-temperature protection function, wherein the output filter circuit is connected with the singlechip 1, and the overload protection, the short-circuit protection and the high-temperature protection functions are automatically triggered.
Referring to fig. 4, the USB module 3 includes a common mode interference suppression circuit for suppressing common mode interference on the USB communication line and a first ESD protection circuit for preventing ESD or electrical transients coupled via a wire harness from damaging the system, which are electrically connected to each other. The power conversion module 5 has the functions of automatic short circuit, overload and high temperature protection.
The common mode interference suppression circuit is a circuit for suppressing common mode interference, which can effectively suppress common mode interference, thereby improving the stability of transmission.
The common mode interference suppression circuit has the following working principle: when the USB device is connected with the Ethernet network, the common mode interference suppression circuit can detect the common mode interference and convert the common mode interference into corresponding signals, so that the common mode interference is suppressed, and the stability of transmission is improved. The first ESD protection circuit is a circuit for preventing electrostatic discharge, which can effectively prevent electrostatic discharge, thereby protecting the safety of the USB device. The working principle of the first ESD protection circuit is as follows: when the USB device is connected with the Ethernet network, the first ESD protection circuit can detect the electrostatic discharge and convert the electrostatic discharge into corresponding signals, so that the electrostatic discharge is prevented, and the safety of the USB device is protected.
Referring to fig. 5, the ethernet module 2 includes a second ESD protection circuit, a network transformer and an impedance matching circuit electrically connected in sequence, where the second ESD protection circuit is used to prevent damage to the system caused by ESD or electrical transients coupled by a wire harness, the network transformer is used to adjust a voltage to suppress common mode interference on an ethernet data line, and the impedance matching circuit is used to match an impedance and adjust signal quality by adjusting the magnitude of a series resistance on a signal line.
The second ESD protection circuit is a circuit for preventing electrostatic discharge, which can effectively prevent electrostatic discharge, thereby protecting the safety of the USB device. The working principle of the second ESD protection circuit is as follows: when the USB device is connected with the Ethernet network, the second ESD protection circuit can detect the electrostatic discharge and convert the electrostatic discharge into corresponding signals, so that the electrostatic discharge is prevented, and the safety of the USB device is protected. Network transformer: a network transformer is a circuit for adjusting voltage, which can effectively adjust voltage, thereby improving stability of transmission.
The working principle of the network transformer is as follows: when the USB device is connected with the Ethernet network, the network transformer can detect the voltage and convert the voltage into corresponding signals, so that the voltage is adjusted, and the stability of transmission is improved. An impedance matching circuit: an impedance matching circuit is a circuit for matching impedance, which can effectively match impedance, thereby improving stability of transmission. The working principle of the impedance matching circuit is as follows: when the USB device is connected with the Ethernet network, the impedance matching circuit can detect the impedance and convert the impedance into corresponding signals, so that the impedance is matched, and the transmission stability is improved.
Further, a USB interface module, a serial port module and an Ethernet interface module are arranged in the singlechip 1, the USB interface module is connected with the USB module 3, the USB interface module is used for converting USB signals into signals which can be identified by the singlechip 1, the serial port module is used for converting the USB signals into Ethernet signals, the Ethernet interface module is respectively connected with the serial port module and the Ethernet module 2, and the Ethernet interface module is used for transmitting the Ethernet signals into the Ethernet module 2.
In this embodiment, the present utility model further includes a working state indicating module 6 connected to the singlechip 1, where the working state indicating module 6 is an LED indicator lamp. The work indicating module is connected with the singlechip 1, and an LED indicating lamp on the work indicating module can change along with the change of the working state. The data storage module 4 is connected with the singlechip 1, and the singlechip 1 receives data from the communication module and stores the processed data in the data storage module 4.
The implementation principle of the embodiment is as follows: the utility model discloses a USB-to-Ethernet module which is used for conveniently and quickly converting USB signals into Ethernet signals through the processing of a singlechip 1, meeting the communication with an ECU, reducing the intermediate process as much as possible, ensuring that the USB-to-Ethernet module is simple in structure, convenient to install and maintain, improving the efficiency and having a state indication. The utility model directly converts the USB into the Ethernet and connects the Ethernet into the Ethernet of the vehicle, thereby completing the related DOIP diagnosis and improving the efficiency of data transmission. The module is simple in structure, convenient to install and maintain, flexible and high in efficiency, supports Android, and is compatible with different vehicle ECUs.
The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (9)
1. A USB to ethernet module, characterized by: the intelligent power supply system comprises a single chip microcomputer (1), an Ethernet module (2), a USB module (3), a data storage module (4) and a power supply conversion module (5), wherein the Ethernet module (2), the USB module (3), the data storage module (4) and the power supply conversion module (5) are connected, the power supply conversion module (5) is electrically connected with the data storage module (4), the USB module (3) transmits USB signals to the single chip microcomputer (1), and the single chip microcomputer (1) converts the USB signals into Ethernet signals and then transmits the Ethernet signals to the Ethernet module (2).
2. A USB to ethernet module according to claim 1, wherein said USB module (3) comprises a common mode interference rejection circuit and a first ESD protection circuit electrically connected to each other, said common mode interference rejection circuit being adapted to reject common mode interference on USB communication lines, said first ESD protection circuit being adapted to prevent ESD or electrical transients coupled via a wire harness from damaging the system.
3. A USB to ethernet module according to claim 1, wherein said ethernet module (2) comprises a second ESD protection circuit, a network transformer and an impedance matching circuit electrically connected in sequence, said second ESD protection circuit being used for preventing ESD or electrical transients coupled via a wire harness from damaging the system, said network transformer being used for adjusting the voltage to suppress common mode interference on the ethernet data line, said impedance matching circuit being used for matching the impedance and adjusting the signal quality by adjusting the magnitude of the series resistance on the signal line.
4. The USB-to-ethernet module of claim 1, wherein a USB interface module, a serial port module and an ethernet interface module are disposed in the single chip microcomputer (1), the USB interface module is connected with the USB module (3), the USB interface module is configured to convert the USB signal into a signal that can be identified by the single chip microcomputer (1), the serial port module is configured to convert the USB signal into an ethernet signal, the ethernet interface module is respectively connected with the serial port module and the ethernet module (2), and the ethernet interface module is configured to transmit the ethernet signal to the ethernet module (2).
5. The USB-to-ethernet module of claim 1, wherein one end of the power conversion module (5) is connected to an input filter circuit, and the other end is connected to an output filter circuit;
the input filter circuit is used for inhibiting interference generated by the system to prevent the external equipment from being interfered and inhibiting the interference generated by the external equipment to prevent the system from being interfered;
the power supply conversion module (5) can effectively convert the energy provided by the external USB interface through the power supply conversion module (5) and provide the converted energy for the singlechip (1) and other modules;
the output filter circuit is used for suppressing interference generated by the system to prevent the external equipment from being interfered and suppressing the interference generated by the external equipment to prevent the system from being interfered.
6. The USB to ethernet module of claim 1, further comprising a working status indication module (6) coupled to the single chip (1).
7. The USB to ethernet module according to claim 6, wherein said operational status indication module (6) is an LED indicator light.
8. A USB to ethernet module according to claim 1, wherein said USB module (3) is connected to a personal computer in a harness and has electrostatic protection.
9. A USB to ethernet module according to claim 1, wherein said ethernet module (2) is connected to the vehicle in the form of an OBD interface and has electrostatic protection and current injection protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320321890.0U CN219659753U (en) | 2023-02-24 | 2023-02-24 | USB changes ethernet module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320321890.0U CN219659753U (en) | 2023-02-24 | 2023-02-24 | USB changes ethernet module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219659753U true CN219659753U (en) | 2023-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320321890.0U Active CN219659753U (en) | 2023-02-24 | 2023-02-24 | USB changes ethernet module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219659753U (en) |
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2023
- 2023-02-24 CN CN202320321890.0U patent/CN219659753U/en active Active
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