CN119807108A - An industrial-grade USB HUB conversion device - Google Patents
An industrial-grade USB HUB conversion device Download PDFInfo
- Publication number
- CN119807108A CN119807108A CN202411845277.4A CN202411845277A CN119807108A CN 119807108 A CN119807108 A CN 119807108A CN 202411845277 A CN202411845277 A CN 202411845277A CN 119807108 A CN119807108 A CN 119807108A
- Authority
- CN
- China
- Prior art keywords
- usb
- circuit module
- usb hub
- conversion circuit
- industrial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Information Transfer Systems (AREA)
Abstract
The application discloses an industrial USB HUB conversion device which comprises an uplink input port circuit module, a USB HUB conversion circuit module, a downlink port connection device interface module and a power conversion circuit module, wherein the uplink input port circuit module is used for being connected with external equipment to receive USB signals input by the external equipment, the USB HUB conversion circuit module is used for converting the USB signals received by the uplink input port circuit module and outputting the USB signals to 4 USB downlink ports, the downlink port connection device interface module is used for conveying the USB signals output by the 4 USB downlink ports to equipment connected with the downlink port connection device interface module, and the power conversion circuit module is used for converting external direct current voltage into target direct current voltage and providing electric energy for the USB HUB conversion circuit module and the 4 USB downlink ports. According to the scheme of the application, the single-path USB3.0 interface is converted into the 4-path USB3.0 interface, so that the access requirement of equipment can be met, and meanwhile, the heat generated by the conversion chip provides a proper working temperature for the interface, so that the requirement that the USB3.0 interface cannot be used at the low temperature of-20 ℃ to-40 ℃ is met.
Description
Technical Field
The application relates to the field of USB interfaces, in particular to an industrial USB HUB conversion device.
Background
In the prior art, the USB interface is very widely used at the present stage, but the USB interface in the prior art cannot work in the whole vehicle under a special temperature environment. So that the usb_hub on the market at present works abnormally in an environment of-40 ℃ to-20 ℃ in a low-temperature environment, so that some usb_hub cannot work.
Disclosure of Invention
The application aims to provide an industrial USB HUB conversion device which can convert a single USB3.0 interface into a4 USB3.0 interface on one hand, can meet the access requirement of equipment, and can provide a proper working temperature for the interface by generating heat through a conversion chip on the other hand, thereby meeting the requirement that the USB3.0 interface cannot be used at a low temperature of-20 ℃ to-40 ℃, and can efficiently transmit USB3.0 data signals at a temperature environment of-40 ℃ to 85 ℃.
In order to achieve the above object, the present application provides the following solutions:
in a first aspect, the present application provides an industrial-scale USB HUB conversion apparatus, comprising:
The uplink input port circuit module is used for being connected with external equipment and receiving USB signals input by the external equipment;
the USB HUB conversion circuit module is used for converting the USB signals received by the uplink input port circuit module and outputting the converted USB signals to the 4-path USB downlink port;
the downlink port connection equipment interface is used for transmitting the USB signals output by the 4 paths of USB downlink ports to equipment connected with the downlink port connection equipment interface;
and the power supply conversion circuit module is used for converting external direct-current voltage into target direct-current voltage and providing electric energy for the USB HUB conversion circuit module and the 4-path USB downlink port.
Optionally, the USB HUB conversion circuit module comprises a signal receiving circuit, a signal processing circuit and a signal processing circuit, wherein the signal receiving circuit is used for receiving the USB signal from the uplink input port circuit module;
And the conversion chip outputs the USB signals to the 4-path USB downlink port through exchange control.
Optionally, the USB HUB conversion circuit module further includes:
the storage module is used for storing communication firmware for establishing communication with the external equipment;
and when the conversion chip recognizes that the communication firmware establishes communication with the external equipment, outputting the USB signal to the 4-path USB downlink port through exchange control.
Optionally, the USB HUB conversion circuit module further comprises a filter circuit unit, which is arranged between the power supply conversion circuit module and the USB HUB conversion circuit module and is used for performing filter processing on the power supply provided by the power supply conversion circuit module.
Optionally, the filter circuit unit is composed of an inductor L9, a capacitor C185, a capacitor C186 and a capacitor C187, wherein the capacitor C185, the capacitor C186 and the capacitor C187 are connected in parallel, and the capacitor C185, the capacitor C186 and the capacitor C187 are connected in series with the inductor L9.
Optionally, the USB HUB conversion circuit module further comprises a clock circuit unit for providing a clock signal for the USB HUB conversion circuit module.
Optionally, a common mode inductor and a pull-up resistor are serially arranged on a communication bus between the 4-path USB downstream port and the downstream port connection device interface, and the common mode inductor and the pull-up resistor are used for resisting noise signal propagation so as to enhance the anti-interference of the communication bus.
Optionally, the 4-way USB downstream ports are respectively provided with an electrostatic protection chip, so as to prevent static electricity from generating electrostatic interference to the USB HUB conversion circuit through the 4-way USB downstream ports.
Optionally, the power conversion circuit module includes:
The switching regulator is used for stably outputting a power supply meeting target working requirements;
And the synchronous buck converter is used for converting the voltage of the externally input direct-current power supply into a target voltage.
According to the specific embodiment provided by the application, the application discloses the following technical effects:
The application provides an industrial USB HUB conversion device which can convert a single USB3.0 interface into a4 USB3.0 interface on one hand, can meet the access requirement of equipment, and can generate heat to provide proper working temperature for the interface by a conversion chip on the other hand, thereby meeting the requirement that the USB3.0 interface cannot be used at a low temperature of-20 ℃ to-40 ℃, and can efficiently transmit USB3.0 data signals at a temperature environment of-40 ℃ to 85 ℃.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an industrial USB HUB conversion device according to an embodiment of the present application;
Fig. 2 is a schematic circuit diagram of an uplink input port circuit module according to an embodiment of the present application;
Fig. 3 is a schematic circuit diagram of a signal receiving circuit according to an embodiment of the present application;
Fig. 4 is a schematic diagram of a chip interface of a conversion chip according to an embodiment of the present application;
FIG. 5 is a schematic circuit diagram of a memory module according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a switching regulator according to an embodiment of the present application;
fig. 7 is a schematic circuit diagram of a synchronous buck converter according to an embodiment of the present application;
Fig. 8 is a schematic circuit diagram of a filter circuit unit according to an embodiment of the present application;
FIG. 9 is a schematic diagram of a clock circuit unit according to an embodiment of the present application;
Fig. 10A to 10D are schematic circuit diagrams of an electrostatic protection chip according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The foregoing objects, features, and advantages of the application will be more readily apparent from the following detailed description of the application when taken in conjunction with the accompanying drawings and detailed description.
Referring to FIG. 1, the application provides an industrial USB HUB conversion device, which comprises an uplink input port circuit module, a USB HUB conversion circuit module, a downlink port connection equipment interface module and a power supply conversion circuit module.
The USB HUB conversion circuit module is respectively connected with the uplink input port circuit module and the downlink port connection equipment interface module and is used for converting USB signals received by the uplink input port circuit module from external equipment into 4 paths of USB signals and then transmitting the 4 paths of USB signals to the downlink port connection equipment interface module, and the power supply conversion circuit module and the USB HUB conversion circuit module are used for converting external direct current power supply into target power supply required by the USB HUB conversion circuit module and supplying the target power supply to the USB HUB conversion circuit module.
In the embodiment of the application, the industrial-grade USB HUB conversion device is connected with external equipment through the uplink input port circuit module, receives USB signals input by the external equipment, and sends the received USB signals to the USB HUB conversion circuit module. In this embodiment, the uplink input port circuit module further adopts other universal standard interfaces, such as a TYPE-C standard interface and a Lightning interface, while adopting a standard USB universal interface for convenience and being applicable to different devices, and further adopts various other non-standard interfaces, such as a VGA interface, a DVI interface and a DisplayPort interface, for convenience and being applicable to the interfaces of the devices of the public.
Referring to fig. 2, in an exemplary embodiment, the upstream input port circuit module further uses the DF11-10DP-2DSA wire-to-board connector shown in fig. 2 to transmit the USB signal received from the external device to the USB HUB conversion circuit module after receiving the USB signal input from the external device through the USB3.0 interface and the external device. Specifically, the USB2.0 signal received is transmitted through the USBDP and USBDP N interfaces, and the USB3.0 signal received is transmitted through two pairs of differential signal interfaces SSRX 0N, SSRX P and SSTX 0N, SSTX P.
In the embodiment of the application, after receiving the USB signal transmitted by the uplink input port circuit module, the USB HUB conversion circuit module converts the USB signal into 4 paths of USB signals for output. Specifically, the USB HUB conversion circuit module receives the USB signal from the upstream input port circuit module through the signal receiving circuit shown in fig. 3 and composed of the resistor R135 and the capacitor C170, and is configured to filter the noise signal in the USB signal transmitted by the upstream input port circuit module.
Further, the signal receiving circuit transmits the USB signal with the noise signal filtered to the conversion chip shown in fig. 4, so as to perform conversion processing for converting the USB signal into a 4-way USB signal, and the 4-way USB signal is transmitted to the 4-way USB downstream port through four interfaces, such as USB1D P, USB1D N, USB2D P, USB2D N, USB3D P, USB3D N, USB4D P, and USB4D N. In this embodiment, the USB HUB conversion circuit module is further provided with a storage module as shown in fig. 5, where the storage module stores communication firmware for establishing communication with an external device, and after receiving the USB signal, the conversion chip establishes communication with an external host by identifying firmware information stored in the storage module, and outputs the USB signal to the 4-way USB downstream port through switching control logic inside the conversion chip. In the embodiment of the application, the signal receiving circuit, the conversion chip and the 4-path USB downlink port in the USB HUB conversion circuit module are packaged on the same circuit board and in the same working space, so that when the conversion chip converts the received USB signal, corresponding heat is synchronously generated to provide a temperature environment required by working for the 4-path USB downlink port, thereby ensuring that the industrial USB HUB conversion board can still keep a normal working state in a low-temperature environment of-20 ℃ to-40 ℃.
In the embodiment of the application, the interface module of the downlink port connecting device is connected with 4 paths of USB downlink ports in the USB HUB conversion circuit module through a bus, and 4 paths of USB signals output by the USB HUB conversion circuit module are transmitted to USB devices respectively connected with the interfaces of the downlink port connecting devices.
In the embodiment of the application, because the USB HUB conversion circuit module is required to provide additional power supply when performing conversion work, the power supply conversion circuit module is arranged to convert the external direct current power supply, so that the voltage and the current of the input power supply can meet the working requirements of the USB HUB conversion circuit. In an exemplary embodiment, a switching regulator SiC477ED-T1-GE3 is disposed in the power conversion circuit module, as shown in fig. 6, and is configured to monitor a change of an input voltage, and adjust a switching tube in a circuit according to a set output voltage value, so as to achieve the purpose of stabilizing the output voltage, thereby ensuring that the USB HUB conversion circuit module can operate in a target operating voltage environment. Further, the power conversion circuit module further performs voltage reduction and current reduction processing on the voltage and the current of the input direct current power supply through the set synchronous voltage reduction converter TPS54620RGYR as shown in fig. 7, so that the direct current voltage and the current output to the USB HUB conversion circuit module by the power conversion circuit module can meet the working requirements.
In an embodiment of the application, the USB HUB conversion circuit module further includes a filtering circuit unit, disposed between the power conversion circuit module and the USB HUB conversion circuit module, for performing filtering processing on the power provided by the power conversion circuit module. In an exemplary embodiment, referring to fig. 8, the filter circuit unit is composed of an inductor L9, a capacitor C185, a capacitor C186, and a capacitor C187, where the capacitor C185, the capacitor C186, and the capacitor C187 are connected in parallel, and the capacitor C185, the capacitor C186, and the capacitor C187 are connected in series with the inductor L9.
Referring to fig. 9, in an embodiment of the present application, the USB HUB conversion circuit module further includes a clock circuit unit for providing a clock signal to the USB HUB conversion circuit module.
In the embodiment of the application, a common-mode inductor and a pull-up resistor are arranged on a communication bus between the 4 paths of USB downlink ports and a downlink port connection device interface in series and are used for resisting noise signal propagation so as to enhance the anti-interference performance of the communication bus.
Referring to fig. 10A to 10D, in an embodiment of the present application, the 4USB downstream ports are respectively provided with an electrostatic protection chip, so as to prevent static electricity from generating electrostatic interference to the USB HUB conversion circuit through the 4USB downstream ports.
In summary, according to the technical scheme of the present application, the industrial USB_HUB conversion device adopts the domestic chip 39A16A as a core, which is a four-port USB3.0 HUB solution, and integrates a USB3.0/USB2.0 HUB controller, a microprocessor, DCDC, EFUSE and a charger circuit. The USB3.0 concentrator has high compatibility, is fully downward compatible with USB2.0 and USB1.1 specifications, can operate at overspeed (5 Gbps), high speed (480 Mbps), full speed (12 Mbps) and low speed (1.5 Mbps), and can replace the current USB3.0 concentrator with RTS54 series as a core in situ. On the other hand, the conversion device adopts a low-power consumption design, has small volume and an independent power supply system, meets the required working voltage, optimizes and reasonably distributes the power supply system, reasonably exports the heat generated by a chip and naturally discharges the heat through air, has strong temperature and environment adaptability, can provide proper working temperature for the interface, meets the requirement that the USB3.0 interface cannot be used at the low temperature of-20 ℃ to-40 ℃, and can efficiently transmit USB3.0 data signals at the temperature environment of-40 ℃ to 85 ℃.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The principles and embodiments of the present application have been described herein with reference to specific examples, which are intended to facilitate an understanding of the principles and concepts of the application and are to be varied in scope and detail by persons of ordinary skill in the art based on the teachings herein. In view of the foregoing, this description should not be construed as limiting the application.
Claims (9)
1. An industrial USB HUB conversion device is characterized in that, the industrial USB HUB conversion device comprises:
The uplink input port circuit module is used for being connected with external equipment and receiving USB signals input by the external equipment;
the USB HUB conversion circuit module is used for converting the USB signals received by the uplink input port circuit module and outputting the converted USB signals to the 4-path USB downlink port;
the downlink port connecting equipment interface module is used for transmitting the USB signals output by the 4 paths of USB downlink ports to equipment connected with the downlink port connecting equipment interface module;
and the power supply conversion circuit module is used for converting external direct-current voltage into target direct-current voltage and providing electric energy for the USB HUB conversion circuit module and the 4-path USB downlink port.
2. The industrial-scale USB HUB conversion device of claim 1, wherein the USB HUB conversion circuit module comprises:
A signal receiving circuit for receiving the USB signal from the upstream input port circuit module;
And the conversion chip outputs the USB signals to the 4-path USB downlink port through exchange control.
3. The industrial-scale USB HUB conversion device of claim 2, wherein the USB HUB conversion circuit module further comprises:
the storage module is used for storing communication firmware for establishing communication with the external equipment;
and when the conversion chip recognizes that the communication firmware establishes communication with the external equipment, outputting the USB signal to the 4-path USB downlink port through exchange control.
4. The industrial-scale USB HUB conversion device of claim 1, wherein the USB HUB conversion circuit module further comprises:
And the filter circuit unit is arranged between the power supply conversion circuit module and the USB HUB conversion circuit module and is used for carrying out filter processing on the power supply provided by the power supply conversion circuit module.
5. The industrial-level USB HUB conversion device according to claim 4, wherein the filter circuit unit is composed of an inductor L9, a capacitor C185, a capacitor C186, and a capacitor C187;
The capacitor C185, the capacitor C186, and the capacitor C187 are connected in parallel, and the capacitor C185, the capacitor C186, and the capacitor C187 are connected in series with the inductor L9.
6. The industrial-scale USB HUB conversion device of claim 2, wherein the USB HUB conversion circuit module further comprises:
and the clock circuit unit is used for providing a clock signal for the USB HUB conversion circuit module.
7. The industrial-level USB HUB conversion device according to claim 1, wherein a common-mode inductor and a pull-up resistor are serially arranged on a communication bus between the 4-way USB downstream port and the downstream port connection device interface, and are used for resisting noise signal propagation so as to enhance the interference resistance of the communication bus.
8. The industrial-level USB HUB conversion device according to claim 1, wherein the 4-way USB downstream ports are respectively provided with an electrostatic protection chip for preventing static electricity from generating electrostatic interference to the USB HUB conversion circuit through the 4-way USB downstream ports.
9. The industrial-level USB HUB conversion device according to claim 1, wherein the power conversion circuit module comprises:
The switching regulator is used for stably outputting a power supply meeting target working requirements;
And the synchronous buck converter is used for converting the voltage of the externally input direct-current power supply into a target voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411845277.4A CN119807108A (en) | 2024-12-13 | 2024-12-13 | An industrial-grade USB HUB conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411845277.4A CN119807108A (en) | 2024-12-13 | 2024-12-13 | An industrial-grade USB HUB conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119807108A true CN119807108A (en) | 2025-04-11 |
Family
ID=95259209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411845277.4A Pending CN119807108A (en) | 2024-12-13 | 2024-12-13 | An industrial-grade USB HUB conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119807108A (en) |
-
2024
- 2024-12-13 CN CN202411845277.4A patent/CN119807108A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108718020B (en) | hub | |
| CN211405512U (en) | Adapter | |
| US10998737B2 (en) | Intelligent switch system | |
| US10574073B2 (en) | Electronic device and method for controlling power supply | |
| CN208174340U (en) | The power supply circuit and electronic product of portable electronic product with OTG function | |
| CN106774764B (en) | Method for realizing multi-power supply USB interface and USB power supply | |
| CN201207647Y (en) | Two-wire system non-polarity master-slave type communication transceiver | |
| CN107665177A (en) | USB switching techniques based on USB Type C frameworks | |
| CN102483334A (en) | Energy meter supplied by an m-bus | |
| TWI523373B (en) | Multi-battery power supply system | |
| CN202798652U (en) | Signal conversion circuit and interface switching equipment | |
| CN119807108A (en) | An industrial-grade USB HUB conversion device | |
| CN103885564A (en) | Power supply adapter plate, power supply system and electronic equipment with power supply system | |
| CN113690967A (en) | A bidirectional charging circuit and device | |
| CN116250157A (en) | Optical storage system, power supply system and high voltage ride through control method | |
| CN117851335A (en) | Intelligent computing platform hardware system | |
| CN102902336B (en) | The power supply link block of mainboard, mainboard and electronic equipment thereof | |
| CN115982076A (en) | Serial port communication isolation module | |
| CN210155657U (en) | Serial port power supply circuit and electronic equipment | |
| CN223090842U (en) | Signal detection circuit of photovoltaic inverter and water heating device | |
| CN114846715A (en) | Power supply system, data center and charging equipment | |
| CN107332673B (en) | A USB2.0\3.0 HUB using ultra-high frequency microwave isolation | |
| CN222547203U (en) | Multi-port charging circuit and charging device | |
| CN221042892U (en) | Digital bus communication equipment | |
| CN205750416U (en) | A kind of supply module based on data acquisition with control platform I/O interface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |