CN211787061U

CN211787061U - USB interface function detection equipment

Info

Publication number: CN211787061U
Application number: CN202020498037.2U
Authority: CN
Inventors: 方开铠
Original assignee: Suzhou Industrial Park Huiyu Technology Co ltd
Current assignee: Suzhou Industrial Park Huiyu Technology Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-10-27
Anticipated expiration: 2030-04-08

Abstract

The utility model relates to a USB interface function detection equipment, including main control chip, load test module, voltage test module, USB interface, analog switch, control chip and switching power supply, the USB interface is used for inputing USB2.0&3.0 signal and 5V power, and the USB interface connection analog switch, switching power supply and main control chip, analog switch connection main control chip and control chip, control chip connection main control chip; the main control chip is connected with the load test module and the voltage test module, and the switching power supply supplies power to the system through the MP1543 module and the SY8008C module. The utility model discloses USB interface function check out test set is according to USB standard agreement to USB2.0 and USB 3.0's various agreement, read-write speed, no-load voltage, BC1.2 and open carrying out short-circuit etc. function fast detection, stability good.

Description

USB interface function detection equipment

Technical Field

The utility model relates to a check out test set field, concretely relates to USB interface function check out test set.

Background

In the normal process of testing and detecting functions of a USB3.0 interface, a USB2.0 interface, a connecting line and the like in equipment such as a PC mainboard, a notebook computer, a wire rod, a USB3.0 concentrator and the like, the traditional USB testing equipment almost adopts the mode of connecting the PC equipment or connecting equipment with the functions of the USB2.0 and the USB3.0 concentrator through the USB3.0 concentrator, a cable is inserted to connect the interface enumeration detecting equipment, the detection time is longer, the operation is more complicated, the detection result can only be judged manually, the production testing efficiency is low, and the stability is poorer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a USB interface function check out test set for solve the problem of USB interface detection efficiency among the prior art low, poor stability.

The utility model provides a USB interface function detection equipment, including main control chip, load test module, voltage test module, USB interface, analog switch, control chip and switching power supply, the USB interface is used for inputing USB2.0&3.0 signal and 5V power, USB interface connection analog switch, switching power supply and main control chip, analog switch is used for switching USB2.0 signal, analog switch connects main control chip and control chip, main control chip is used for the control with the interactive and functional component of host computer, control chip connects main control chip; the main control chip is connected with the load testing module and the voltage testing module, and the switching power supply supplies power to the system through the MP1543 module and the SY8008C module.

Further, the main control chip is also connected with a 19.2MHZ crystal oscillator.

Furthermore, the main control chip is also connected with an LED indicator light.

Furthermore, the main control chip is also connected with a storage chip EEPROM.

Furthermore, the main control chip is also connected with a chip debugging port JTAG CONNECTOR JTAG.

Further, the main control chip is a CYUSB 3014.

Further, the analog switch is a BL1530 chip.

Further, the control chip is a BQ25890 chip.

Further, the switching power supply is an MP2315 chip.

Adopt above-mentioned the utility model discloses technical scheme's beneficial effect is:

the utility model discloses USB interface function check out test set detects fast, the stability is good to various agreements, reading and writing speed, no-load voltage, BC1.2 and the function such as open short circuit of USB2.0 and USB3.0 according to the USB standard agreement; the USB2.0&3.0 protocol standard is compatible, the USB3.0 and the USB2.0 are automatically detected, a universal USB 3.0/USB2.0Hostcontroller can be supported, the USB3.0 and USB2.0 multi-type interface test can be simultaneously supported, and the USB3.0 or USB2.0 single-type interface test can be independently tested; the method supports the load test of the voltage VBUS of the USB2.0&3.0 port, and calculates whether the power supply of the USB2.0&3.0 port is normal; and displaying the test result after the test is completed: PASS or FAIL, and record the test state of each port, automatically generate the log record file of the test and result receipt file after the test is finished; the USB interface is adopted to take power without external power supply; a control chip is built in, the BC1.2 protocol specification is compatible, and three port type detection tests of SDP, CDP and DCP are supported; and the USB interface open-short circuit function detection is supported.

Drawings

FIG. 1 is a schematic structural diagram of a USB interface function detecting device of the present invention;

FIG. 2 is a USB connection diagram of a device to be tested;

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

As shown in fig. 1, the utility model provides a USB interface function detection device, including main control chip, load test module, voltage test module, USB interface, analog switch, control chip and switching power supply, the USB interface is used for inputting USB2.0&3.0 signal and 5V power, the USB interface connects analog switch, switching power supply and main control chip, analog switch is used for switching USB2.0 signal, analog switch connects main control chip and control chip, main control chip is used for the control with the interactive and functional component of host computer, the control chip connects main control chip; the main control chip is connected with the load testing module and the voltage testing module, and the switching power supply supplies power to the system through the MP1543 module and the SY8008C module. The working flow of the embodiment is as follows; a user connects a device to be tested to a USB interface for detection, wherein a USB connection relation diagram of the device to be tested is shown in FIG. 2, a USB3.0 comprises SS channels, HS channels, FS channels and LS channels, wherein the SS channels and the Non-SS channels are relatively independent, and the SS channels and the Non-SS channels need to be tested respectively when testing the USB function; the rapid detection of the USB device type, the read-write speed, the no-load voltage, the load voltage, BC1.2, the open circuit and short circuit and other functions is realized.

Preferably, the main control chip is further connected with a 19.2MHZ crystal oscillator, the main control chip is further connected with an LED indicator lamp, the main control chip is further connected with a memory chip EEPROM, and the main control chip is further connected with a chip debugging port JTAG CONNECTORTAG.

Specifically, the main control chip is a CYUSB3014, the analog switch is a BL1530 chip, the control chip is a BQ25890 chip, and the switching power supply is an MP2315 chip.

To sum up, the utility model discloses USB interface function check out test set detects fast, the stability is good to various agreements, reading and writing speed, no-load voltage, BC1.2 and the function such as open short circuit of USB2.0 and USB3.0 according to the USB standard agreement; the USB2.0&3.0 protocol standard is compatible, the USB3.0 and the USB2.0 are automatically detected, a universal USB 3.0/USB2.0Host Controller can be supported, the USB3.0 and USB2.0 multi-type interface test can be simultaneously supported, and the USB3.0 or USB2.0 single-type interface test can be independently tested; the method supports the load test of the voltage VBUS of the USB2.0&3.0 port, and calculates whether the power supply of the USB2.0&3.0 port is normal; and displaying the test result after the test is completed: PASS or FAIL, and record the test state of each port, automatically generate the log record file of the test and result receipt file after the test is finished; the USB interface is adopted to take power without external power supply; a control chip is built in, the BC1.2 protocol specification is compatible, and three port type detection tests of SDP, CDP and DCP are supported; and the USB interface open-short circuit function detection is supported.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The USB interface function detection device is characterized by comprising a main control chip, a load test module, a voltage test module, a USB interface, an analog switch, a control chip and a switch power supply, wherein the USB interface is used for inputting USB2.0&3.0 signals and a 5V power supply, the USB interface is connected with the analog switch, the switch power supply and the main control chip, the analog switch is used for switching the USB2.0 signals, the analog switch is connected with the main control chip and the control chip, the main control chip is used for interaction with an upper computer and control of a functional component, and the control chip is connected with the main control chip; the main control chip is connected with the load testing module and the voltage testing module, and the switching power supply supplies power to the system through the MP1543 module and the SY8008C module.

2. The USB interface function detection device of claim 1, wherein the main control chip is further connected to a 19.2MHZ crystal oscillator.

3. The USB interface function detecting device according to claim 1, wherein the main control chip is further connected to an LED indicator light.

4. The USB interface function detecting device according to claim 1, wherein the main control chip is further connected to a memory chip EEPROM.

5. The USB interface function detecting device according to claim 1, wherein the main control chip is further connected to a chip debug port JTAG CONNECTOR JTAG.

6. The USB interface function detecting device according to claim 1, wherein the main control chip is a CYUSB 3014.

7. The USB interface function detecting device according to claim 1, wherein the analog switch is a BL1530 chip.

8. The USB interface function detecting device according to claim 1, wherein the control chip is a BQ25890 chip.

9. The USB interface function detecting device according to claim 1, wherein the switching power supply is an MP2315 chip.