Multifunctional network debugging and testing device

Abstract

The utility model relates to a multifunctional network debugging and testing device, one end of a USB HUB module is connected with a USB interface, the other end of the USB HUB module is connected with a switching circuit, the switching circuit comprises an MAX4744 analog switch, the MAX4744 analog switch is respectively connected with a USB-to-RS-232 module and a USB network card module, the other end of the USB network card module is connected with an RJ45 interface, and the RJ45 interface is also connected with the USB-to-RS-232 module; the main control unit comprises an MCU and a key, the MCU is connected with the control end of the MAX4744 analog switch, the key is connected with the input end of the MCU, the MCU is in communication connection with the storage module, and the MCU is in communication connection with the USB-to-RS-232 module. According to the utility model, the physical switching of the USB-to-RS-232 module and the USB network card module is realized, and a hardware basis is provided for recording operation logs in combination with the storage module.

Description

TECHNICAL FIELD

[0001] The utility model relates to communication hardware circuit technical field, concretely relates to a multifunctional network debugging test device. BACKGROUND

[0002] The existing network equipment needs to be configured and debugged by connecting the equipment through the USB to RS-232 (serial port) Console line. At the same time, some computers without network ports need to use USB network cards (such as USB to RJ45 network ports) to connect switches or routers.

[0003] During operation, the operator needs to carry the Console line and the USB network card line at the same time, and the debugging and testing need to frequently change the cable, which is low in efficiency. Moreover, the computer USB interface is limited, and frequent plugging and unplugging can damage the interface and may cause misoperation due to cable confusion. Moreover, the existing Console line does not have the function of debugging record, and the operation log needs to be manually recorded or exported by terminal software during the debugging process, which is relatively cumbersome.

[0004] Therefore, an integrated conversion device is needed to meet the debugging of the network and the network connection. SUMMARY

[0005] The utility model discloses to solve the problem that the existing USB to RS-232 Console line and USB network card are inconvenient to use and cannot store operation logs, and proposes a multifunctional network debugging test device, which expands the USB interface through a USB HUB module, uses a switching circuit to complete the switching of the USB to RS-232 module and the USB network card module, realizes physical switching operation through a master control unit, and provides a hardware basis for realizing the recording of operation logs in combination with a storage module.

[0006] To achieve the above purpose, the utility model provides a multifunctional network debugging test device, which comprises a USB to RS-232 module and a USB network card module, and further comprises a USB HUB module, a power module, a switching circuit, a master control unit, a storage module, a USB interface, an RJ45 interface and a shell. One end of the USB HUB module is connected with the USB interface, and the other end is connected with the switching circuit. The switching circuit comprises a MAX4744 analog switch. The MAX4744 analog switch is connected with the USB to RS-232 module and the USB network card module respectively. The other end of the USB network card module is connected with the RJ45 interface. The RJ45 interface is further connected with the USB to RS-232 module.

[0007] The master control unit includes an MCU and a button, the MCU is connected to the control end of the MAX4744 analog switch, the button is connected to the input end of the MCU, the MCU is in communication connection with the storage module, and the MCU is in communication connection with the USB-to-RS-232 module;

[0008] The power module is connected with the USB interface, and the power module supplies power for the hardware circuit;

[0009] The connection end of the USB interface and the RJ45 interface is arranged outside the shell, and the USB HUB module, the power module, the switching circuit, the master control unit and the storage module are arranged inside the shell.

[0010] Further, the USB HUB module includes a GL850G chip, the upstream interface of the GL850G chip is connected with the USB interface, the downstream interface of the GL850G chip is connected with channel 1 and channel 2 of the MAX4744 analog switch respectively, and the control end of the MAX4744 analog switch is connected with the output end of the MCU.

[0011] The USB HUB module is used for expanding the USB interface, so that channel 1 and channel 2 of the MAX4744 analog switch can both establish a channel with the USB interface. Channel 1 and channel 2 are switched through the MCU, so that the switching of the network debugging and the online function is realized.

[0012] Further, the USB-to-RS-232 module is in communication connection with the MCU through the UART interface.

[0013] Further, the storage module includes a MicroSD card slot and a MicroSD card, the MicroSD card slot is in communication connection with the MCU through the SPI interface;

[0014] The shell is provided with a insertion hole corresponding to the MicroSD card slot.

[0015] The MicroSD card slot is convenient for taking out the MicroSD card.

[0016] Further, the power module includes an AMS1117 stabilizer, the input end of the AMS1117 stabilizer is connected with the output end of the USB interface, and the AMS1117 stabilizer outputs a DC 3.3V current.

[0017] Further, the MCU is provided with two light emitting diodes corresponding to the control end of the MAX4744 analog switch, and the anode of the light emitting diode is connected with the output end of the MCU.

[0018] The shell is provided with a circular mounting hole corresponding to the two light emitting diodes.

[0019] Two light emitting diodes are different in color, and are used to distinguish what mode the device is currently in.

[0020] Further, the RJ45 interface is provided with a network transformer circuit, the network transformer circuit comprising an HLK-PM01 module, and the RJ45 interface is connected with the USB-to-RS-232 module and the USB network card module through the HLK-PM01 module.

[0021] Further, the shell is a square structure with an internal cavity, and wire outlets are formed at two ends of the shell corresponding to the USB interface and the RJ45 interface.

[0022] The upper end surface of the shell is provided with a key hole corresponding to the key.

[0023] The object is convenient for carrying the device and protecting the hardware circuit of the device.

[0024] Through the above technical scheme, the utility model has the beneficial effects that:

[0025] 1. The utility model realizes interface expansion and convenient switching, expands the USB interface through the USB HUB module, makes the channel 1 and the channel 2 of MAX4744 analog switch can establish the channel with the USB interface, and can switch the channel 1 and the channel 2 through MCU, realizes the convenient switching of network debugging (USB-to-RS-232 module) and online (USB network card module) function, solves the problems that operating personnel need to carry Console line and USB network card line simultaneously, and need to frequently replace cable during debugging and testing, improves work efficiency, avoids the problem of interface damage caused by limited device USB interface and frequent plugging and unplugging, and reduces the damage to the interface.

[0026] 2. The utility model is provided with a storage module (including a MicroSD card slot and a MicroSD card) and a MCU, which are connected through an SPI interface, providing a hardware basis for recording operation logs, solving the problems that the existing Console line does not have a debugging recording function, and the operation logs need to be manually recorded or exported as a log file through terminal software during the debugging process, and facilitating the recording and subsequent review of the debugging operation. BRIEF DESCRIPTION OF DRAWINGS

[0027] Fig. 1 It is a circuit diagram of the utility model multifunctional network debugging test device;

[0028] Fig. 2 It is a structural diagram of the utility model multifunctional network debugging test device.

[0029] The reference numerals are as follows: 1 is the USB to RS-232 module, 2 is the USB network card module, 3 is the USB HUB module, 4 is the power module, 5 is the switching circuit, 6 is the main control unit, 7 is the storage module, 8 is the USB interface, 9 is the housing, 10 is the RJ45 interface, 11 is the light-emitting diode, and 12 is the network transformer circuit. Detailed Implementation

[0030] Example 1

[0031] like Figs. 1-2 As shown, a multifunctional network debugging and testing device includes a USB to RS-232 module 1 and a USB network card module 2, as well as a USB HUB module 3, a power module 4, a switching circuit 5, a main control unit 6, a storage module 7, a USB interface 8, an RJ45 interface 10, and a housing 9. One end of the USB HUB module 3 is connected to the USB interface 8, and the other end is connected to the switching circuit 5. The switching circuit 5 includes a MAX4744 analog switch, which is connected to both the USB to RS-232 module 1 and the USB network card module 2. The other end of the USB network card module 2 is connected to the RJ45 interface 10, and the RJ45 interface 10 is also connected to the USB to RS-232 module 1.

[0032] The main control unit 6 includes an MCU and buttons. The MCU is connected to the control terminal of the MAX4744 analog switch, the buttons are connected to the input terminal of the MCU, the MCU is connected to the storage module 7, and the MCU is connected to the USB to RS-232 module 1.

[0033] The power module 4 is connected to the USB interface 8, and the power module 4 provides power to the hardware circuit.

[0034] The connection ends of the USB interface 8 and the RJ45 interface 10 are located on the outside of the housing 9, while the USB HUB module 3, power module 4, switching circuit 5, main control unit 6 and storage module 7 are located inside the housing.

[0035] In this embodiment, the MCU used is STM32F030C8T6.

[0036] The USB HUB module 3 includes a GL850G chip, and the upstream interface (D+, D-) of the GL850G chip is connected to the USB interface 8 (D+, D-).

[0037] The downstream interfaces (DP1 / DM1) of the GL850G chip are connected to channel 1 and channel 2 (COM1 / COM2) of the MAX4744 analog switch, respectively, and to the control terminal (IN1) of the MAX4744 analog switch.

[0038] The USB to RS-232 module 1 is in communication connection with the MCU through a UART interface.

[0039] The USB to RS-232 module 1 selects a CH340G chip, and the D+ and D- pins of the USB to RS-232 module 1 are connected to channel 1 (normally closed, NO1 / NO2 signal output) of a MAX4744 analog switch, and the output end of the USB to RS-232 module 1 is connected to the TX+ / TX- and RX+ / RX- of the HLK-PM01 module.

[0040] The USB network card module 2 includes an RTL8153 chip. The D+ and D- of the RTL8153 chip are connected to channel 2 (normally open, NC1, NC2 signal output) of a MAX4744 analog switch, and the RTL8153 chip is connected to the TX+ / TX- and RX+ / RX- of the HLK-PM01 module.

[0041] The storage module 7 includes a MicroSD card slot and a MicroSD card, and the MicroSD card slot is in communication connection with the MCU through an SPI interface.

[0042] The shell 9 is provided with a insertion hole corresponding to the MicroSD card slot.

[0043] The MicroSD card slot adopts a CH376S module.

[0044] The power module 4 includes an AMS1117 voltage stabilizer, the input end of the AMS1117 voltage stabilizer is connected to the output end of the USB interface 8, and the AMS1117 voltage stabilizer outputs a DC 3.3V current.

[0045] The MCU is provided with two light emitting diodes 11 at the control end of the MAX4744 analog switch, and the anode of the light emitting diode 11 is connected to the output end of the MCU.

[0046] The shell 9 is provided with a circular mounting hole corresponding to the two light emitting diodes 11.

[0047] One of the light emitting diodes 11 emits blue light, and the other light emitting diode 11 emits green light.

[0048] The RJ45 interface 10 is provided with a network transformer circuit 12 including an HLK-PM01 module, and the RJ45 interface 10 is connected to the USB to RS-232 module 1 and the USB network card module 2 through the HLK-PM01 module.

[0049] The shell 9 is a square structure with an internal cavity, and the shell 9 is provided with wire outlet holes at both ends corresponding to the USB interface 8 and the RJ45 interface 10.

[0050] The upper end surface of the shell 9 is provided with a key hole corresponding to the key.

[0051] When debugging the switch, the USB interface 8 is inserted into the device, the RJ45 interface 10 is connected to the switch, the MCU pin has no output, the MAX4744 analog switch is not in action, the channel 1 of the MAX4744 analog switch is normally closed, the USB to RS-232 module channel transmits signals, configuration is carried out through the serial port, and the log is automatically saved to the storage module 7. The light emitting diode 11 emits blue light, and the other light emitting diode 11 does not emit light. During the period, the channel 2 of the MAX4744 analog switch is normally open, which is equivalent to being disconnected, and the channel where the USB network card module 2 is located is disconnected.

[0052] When testing the network, the USB interface 8 is inserted into the device, and the RJ45 interface 10 is connected to the switch. The key is pressed, the MCU pin outputs a high level, the channel 1 of the MAX4744 analog switch is normally closed and disconnected, the channel 2 of the MAX4744 analog switch is normally open and closed, the channel where the USB network card module 2 is located is opened, and the computer is connected to the network through the RJ45 interface 10. The light emitting diode 11 emits green light, and the other light emitting diode 11 does not emit light.

[0053] The above-described embodiments are only preferred embodiments of the present application, and are not intended to limit the scope of the present application. Therefore, equivalent changes or modifications made in accordance with the structure, features and principles described in the patent range of the present application should be included in the patent range of the present application.

Claims

1. A multifunctional network debugging test device comprising a USB-to-RS-232 module and a USB network card module (2), characterized in that, Also include USB HUB module (3), power module (4), switching circuit (5), host unit (6), storage module (7), USB interface (8), RJ45 interface (10) and shell (9), one end of the USB HUB module (3) is connected to the USB interface (8), the other end is connected to the switching circuit (5), the switching circuit (5) includes MAX4744 analog switch, the MAX4744 analog switch is connected to the USB to RS-232 module (1) and the USB network card module (2) respectively, the other end of the USB network card module (2) is connected to the RJ45 interface (10), the RJ45 interface (10) is also connected with the USB to RS-232 module (1); The host unit (6) includes MCU and button, the MCU is connected to the control end of the MAX4744 analog switch, the button is connected to the input end of the MCU, the MCU is connected to the storage module (7), and the MCU is connected to the USB to RS-232 module (1); The power module (4) is connected with the USB interface (8), and the power module (4) supplies power for the hardware circuit; The connection end of the USB interface (8) and the RJ45 interface (10) is arranged outside the shell (9), the USB HUB module (3), the power module (4), the switching circuit (5), the host unit (6) and the storage module (7) are arranged inside the shell (9).

2. The multi-functional network commissioning test device of claim 1, wherein, The USB HUB module (3) includes a GL850G chip, an upstream interface of the GL850G chip is connected to the USB interface (8), downstream interfaces of the GL850G chip are connected to channel 1 and channel 2 of the MAX4744 analog switch respectively, and an output end of the MCU is connected to a control end of the MAX4744 analog switch.

3. The multi-functional network commissioning test device of claim 1, wherein, The USB to RS-232 module (1) is connected to the MCU through a UART interface.

4. The multi-functional network commissioning test device of claim 1, wherein, The storage module (7) includes a MicroSD card slot and a MicroSD card, and the MicroSD card slot is connected to the MCU through an SPI interface. The shell (9) is provided with a round mounting hole corresponding to the MicroSD card slot.

5. The multi-functional network commissioning test device of claim 1, wherein, The power module (4) includes an AMS1117 stabilizer, an input end of the AMS1117 stabilizer is connected to an output end of the USB interface (8), and the AMS1117 stabilizer outputs a DC3.3V current.

6. The multi-functional network commissioning test device of claim 2, wherein, The MCU is provided with two light emitting diodes (11) corresponding to the control end of the MAX4744 analog switch, and anodes of the light emitting diodes (11) are connected to an output end of the MCU. The shell (9) is provided with a circular mounting hole corresponding to the two light emitting diodes (11).

7. The multi-functional network commissioning test device of claim 1, wherein, The RJ45 interface (10) is provided with a network transformer circuit (12), the network transformer circuit (12) includes an HLK-PM01 module, and the RJ45 interface (10) is connected to the USB to RS-232 module (1) and the USB network card module (2) through the HLK-PM01 module.

8. The multi-functional network commissioning test device of claim 1, wherein, The shell (9) is a square structure with an inner cavity, and two ends of the shell (9) are provided with wire outlet holes corresponding to the USB interface (8) and the RJ45 interface (10); The upper end surface of the shell (9) is provided with a key hole corresponding to the key.

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