Auxiliary device for multiple USB devices

Abstract

The utility model discloses an auxiliary device for a plurality of USB devices, which is composed of a computer and a tool box, and the tool box comprises a box body defined by panels, internal hardware and wires. The panel is provided with a socket, a host USB data line hole, an AC 220V power supply switch, a DC 5V power supply switch, a knob potentiometer and a plurality of USB tool line holes; the internal hardware comprises a switching power supply and a USBHub, and the switching power supply is used for converting 220V alternating current into 5V direct current; a computer is connected with the USBHub input end through a host USB data line hole, and USB equipment is connected to the USBHub output end through a USB tool line hole; and an AC 220V plug of an external power supply is connected into the socket and is electrically connected with the AC 220V power supply switch. According to the utility model, a plurality of USB equipment tests and voltage bias function tests can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to USB equipment test technical field especially relates to a plurality of USB equipment auxiliary device. BACKGROUND

[0002] The USB equipment communication mechanism plays a vital role to big data information system, and is widely popularized and applied to each industry. But the performance and stability of the military product grade USB equipment have strict requirements, and the peripheral test tool is needed for the debugging and testing of these equipment. When the small product keyboard and mouse have a large batch delivery, the following problems exist: 1) the test, test, and factory inspection process can only be carried out in sequence one by one, the speed is slow, and multiple parallel tests, tests and inspections cannot be realized; 2) the test equipment used for product test has a large space, and 15 cycles of test are carried out for 2 hours for once function test, which needs 37.5 hours of manual work, and the test equipment only puts one small product, the equipment utilization rate is not high and the labor cost is high; 3) the voltage pull-off function test cannot be carried out in the product test process. CONTENT OF UTILITY MODEL

[0003] Therefore, the utility model provides a plurality of USB equipment auxiliary device, which realizes the test of multiple USB equipment, saves manpower and material resources, improves the inspection efficiency, and realizes the voltage pull-off function test.

[0004] The utility model realizes the following technical scheme: a plurality of USB equipment auxiliary device, characterized by, computer and tool box are composed, the tool box includes box, internal hardware and wiring;The box is composed of the panel, the panel is equipped with socket, host USB data line hole, AC 220V power supply switch, DC 5V power supply switch, knob potentiometer and a plurality of USB tool line holes;The internal hardware includes switching power supply and USBHub, and the switching power supply is used for AC 220V conversion into DC 5V;The computer is connected with USBHub input end through host USB data line hole, and the USB equipment is connected with USBHub output end through USB tool line hole;The AC 220V plug of external power supply is connected with socket, and is used for tool box power supply;The socket is electrically connected with AC 220V power supply switch through wiring, and AC 220V power supply switch is electrically connected with switching power supply input end through wiring, and switching power supply output end is electrically connected with DC 5V power supply switch through wiring, and DC 5V power supply switch is electrically connected with USBHub power supply part through wiring;The knob potentiometer is electrically connected with the output adjustable resistance of switching power supply through wiring, and is used for adjusting the output voltage of switching power supply.

[0005] Further, the panel is also equipped with USB equipment power switch corresponding to USB tool line hole, the input end of USB equipment power switch is connected with USBHub output end, and the output end of USB equipment power switch is connected with USB tool line hole.

[0006] Further, the panel is further provided with a display screen, and the internal hardware further comprises a display screen controller; an input end of the display screen controller is electrically connected with the DC 5V power supply switch through wiring, and an output end of the display screen controller is electrically connected with the display screen through wiring, and the display screen is used for displaying current and voltage.

[0007] Further, the AC 220V power supply switch, the DC 5V power supply switch, the knob potentiometer and the display screen are arranged on the upper panel of the tool box; the socket and the host USB data line hole are arranged on the left panel of the tool box; the USB tool line hole and the USB equipment power supply switch are arranged on the right panel of the tool box.

[0008] Further, the AC 220V power supply switch, the DC 5V power supply switch and the USB equipment power supply switch are all provided with indicator lamps.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] 1. The utility model can test multiple USB equipment tests at a time, saves manpower and material resources, improves inspection efficiency, and can realize voltage pull-off function test.

[0011] 2. The utility model is provided with independent USB equipment power supply switches for each USB equipment, can conveniently and effectively carry out targeted troubleshooting or voltage pull-off function test problems, and does not affect other product testing, testing and inspection progress.

[0012] 3. The utility model is provided with a display screen, can synchronously view the display screen when rotating the knob potentiometer until the voltage is adjusted to the technical requirement of the pull-off test, and then operates the function of the USB equipment, and confirms whether the USB equipment can normally work after voltage pull-off. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a schematic view of multiple USB equipment auxiliary devices. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0015] The utility model provides a kind of multiple USB equipment auxiliary device, such as Figure 1As shown, the device is composed of a computer and a tool box, the computer is a desktop computer in this embodiment, and the tool box includes a box body, internal hardware and wiring. The box body is composed of a panel, which is provided with a socket, a host USB data line hole, an AC 220V power supply switch, a DC 5V power supply switch, a knob potentiometer and a plurality of USB tool line holes, the socket is a three-phase socket in this embodiment; the internal hardware includes a switching power supply and a USB Hub, the switching power supply is used for converting AC 220V into DC 5V; the computer is connected with the input end of the USB Hub through the host USB data line hole, and the USB device is connected with the output end of the USB Hub through the USB tool line hole. The AC 220V plug of the external power supply is connected with the three-phase socket for power supply of the tool box; the three-phase socket is electrically connected with the AC 220V power supply switch through wiring, the AC 220V power supply switch is electrically connected with the input end of the switching power supply through wiring, the switching power supply converts AC 220V into DC 5V, the output end of the switching power supply is electrically connected with the DC 5V power supply switch through wiring, and the DC 5V power supply switch is electrically connected with the power supply part of the USB Hub through wiring.

[0016] The knob potentiometer is electrically connected with the output adjustable resistor of the switching power supply through wiring, which is used for adjusting the output voltage of the switching power supply, and the DC voltage on the switching power supply is adjusted by the knob on the knob potentiometer to pull bias, so that the function of the USB device is confirmed to be normal, and the voltage pull bias function test in the test process of the USB device is realized.

[0017] The panel can also be provided with a plurality of USB device power switches, which are one-to-one corresponding to the USB tool line holes; the input end of the USB device power switch is connected with the output end of the USB Hub, and the output end of the USB device power switch is connected with the USB tool line hole. When the AC 220V power supply switch is turned on and all the USB device power switches are turned on, all the USB device names can be recognized on the computer through the device manager and the functions thereof are confirmed. Each USB device corresponds to a separate USB device power switch, and the voltage pull bias function can also be realized for a single or multiple USB devices in parallel during the test and inspection process. When one of the USB devices has a functional abnormality during the test and experiment process, it can be quickly and effectively powered off for troubleshooting. After the fault is eliminated, it can be powered on again for continuous testing, thereby improving the test, experiment and inspection efficiency of the voltage pull bias function.

[0018] A display screen can also be provided on the panel, and the internal hardware further includes a display screen controller; the input end of the display screen controller is electrically connected with the DC 5V power supply switch through wiring, and the output end of the display screen controller is electrically connected with the display screen through wiring, and the display screen is used for displaying the current and voltage. After the tool box is powered on and the USB Hub is powered on, the display screen can display the voltage, and can display the current after the mounted device is powered on; during the voltage pull bias test, the display screen can be viewed while the knob potentiometer is rotated until the voltage is adjusted to the voltage required by the pull bias test technology.

[0019] As an improvement, the AC 220V power supply switch, the DC 5V power supply switch, the knob potentiometer and the display screen are arranged on the upper panel of the tool box; the three-phase socket and the host USB data line hole are arranged on the left panel of the tool box; the USB tool line hole and the USB equipment power switch are arranged on the right panel of the tool box.

[0020] As a further improvement, the AC 220V power supply switch, the DC 5V power supply switch and the USB equipment power switch are each provided with an indicator light for displaying the working state thereof.

[0021] The utility model not only realizes multiple USB equipment mounting function, still realizes voltage pull bias function, and possesses multiple USB equipment independent control function, greatly saves manpower and material resources, improves inspection efficiency.

[0022] The above merely describes preferred embodiments of the utility model and is not intended to limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A plurality of USB device auxiliary apparatuses, characterized by, It is composed of a computer and a tool box, the tool box including a box body, internal hardware and wiring; the box body is composed of panels, the panels being provided with sockets, a host USB data line hole, an AC 220V power supply switch, a DC 5V power supply switch, a knob potentiometer and a plurality of USB tool line holes; the internal hardware including a switching power supply and a USB Hub, the switching power supply being used for converting AC 220V into DC 5V; The computer is connected with the input end of the USB Hub through the host USB data line hole, and the USB device is connected with the output end of the USB Hub through the USB tool line hole; An AC 220V plug of an external power supply is connected with the socket, which is used for power supply of the tool box; the socket is electrically connected with the AC 220V power supply switch through wiring, the AC 220V power supply switch is electrically connected with the input end of the switching power supply through wiring, the output end of the switching power supply is electrically connected with the DC 5V power supply switch through wiring, and the DC 5V power supply switch is electrically connected with the power supply part of the USB Hub through wiring; The knob potentiometer is electrically connected with the output adjustable resistor of the switching power supply through wiring, which is used for adjusting the output voltage of the switching power supply.

2. The plurality of USB device auxiliary apparatuses of claim 1, wherein, The panels are also provided with USB device power supply switches corresponding to the USB tool line holes, the input end of the USB device power supply switch being connected with the output end of the USB Hub, and the output end of the USB device power supply switch being connected with the USB tool line hole.

3. The plurality of USB device auxiliary apparatuses of claim 2, wherein, A display screen is also provided on the panels, and the internal hardware further includes a display screen controller; the input end of the display screen controller is electrically connected with the DC 5V power supply switch through wiring, and the output end of the display screen controller is electrically connected with the display screen through wiring, the display screen being used for displaying current and voltage.

4. The plurality of USB device auxiliary apparatuses of claim 3, wherein, The AC 220V power supply switch, the DC 5V power supply switch, the knob potentiometer and the display screen are arranged on the upper panel of the tool box; the socket and the host USB data line hole are arranged on the left panel of the tool box; and the USB tool line hole and the USB device power supply switch are arranged on the right panel of the tool box.

5. The plurality of USB device auxiliary apparatuses according to any one of claims 2 to 4, wherein The AC 220V power supply switch, the DC 5V power supply switch and the USB device power supply switch are all provided with indicator lights.

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