阅读说明：本技术 一种usb接口测试模块 (USB interface test module ) 是由 蒋继华 于 2020-07-15 设计创作，主要内容包括：本发明公开了一种USB接口测试模块,包括中央处理器、电源模块、电源指示灯、USB接口模组以及测试指示模块,所述中央处理器的输入端电性连接有电源模块,所述中央处理器的输出端电性连接有电源指示灯,所述中央处理器的输出端电性连接有USB接口模组,所述中央处理器的输出端电性连接有测试指示模块,本发明通过设置USB接口模组连接待测USB接口,然后通过USB接口模组内部的各项测试模块对待测USB接口的电流、电压以及传输数据性能进行单独测试,然后通过中央处理器对其测试结果进行处理,最后通过测试指示模块对测试结果进行展示,从而使得测试结果更加的直观,使得操作者能够更加方便的观察到待测USB接口的各项性能指标。(The invention discloses a USB interface test module, which comprises a central processing unit, a power supply module, a power supply indicator light, a USB interface module and a test indication module, the input end of the central processing unit is electrically connected with a power supply module, the output end of the central processing unit is electrically connected with a power supply indicator lamp, the output end of the central processing unit is electrically connected with a USB interface module, the output end of the central processing unit is electrically connected with a test indication module, the invention is connected with a USB interface to be tested by arranging the USB interface module, then the current, the voltage and the data transmission performance of the USB interface to be tested are individually tested through various testing modules in the USB interface module, then the test result is processed by the central processing unit, and finally the test result is displayed by the test indication module, therefore, the test result is more visual, and an operator can observe various performance indexes of the USB interface to be tested more conveniently.)

1. The utility model provides a USB interface test module, its characterized in that, includes central processing unit (1), power module (2), power indicator (3), USB interface module (4) and test indication module (5), the input electric connection of central processing unit (1) has power module (2), the output electric connection of central processing unit (1) has power indicator (3), the output electric connection of central processing unit (1) has USB interface module (4), the output electric connection of central processing unit (1) has test indication module (5).

2. The USB interface testing module according to claim 1, wherein the USB interface module (4) comprises a USB port (41), the USB port (41) is electrically connected to an output end of the USB interface module (4), the current testing module (42) is electrically connected to an output end of the USB port (41), the voltage testing module (43) is electrically connected to an output end of the USB port (41), the signal transmitting module (44) is electrically connected to an output end of the signal transmitting module (44), the signal reflecting module (45) is electrically connected to an output end of the signal reflecting module (45), and the signal receiving module (46) is electrically connected to an output end of the signal reflecting module (45).

3. The USB interface test module according to claim 2, wherein the test indication module (5) comprises a current indicator lamp (51), a voltage indicator lamp (52) and a signal indicator lamp (53), the output end of the test indication module (5) is electrically connected with the current indicator lamp (51), the output end of the test indication module (5) is electrically connected with the voltage indicator lamp (52), and the output end of the test indication module (5) is electrically connected with the signal indicator lamp (53).

4. The USB interface testing module according to claim 2, wherein the output terminals of the current testing module (42) and the voltage testing module (43) are electrically connected to the input terminal of the central processing unit (1), and the output terminal of the signal receiving module (46) is electrically connected to the input terminal of the central processing unit (1).

5. The USB interface test module according to claim 1, wherein the central processor (1) is configured to connect the power module (2) and the power indicator (3), and is connected to the USB interface module (4) and the test indication module (5).

6. The USB interface testing module according to claim 3, wherein the CPU (1) is further configured to receive commands from the current testing module (42), the voltage testing module (43), and the signal receiving module (46), and perform corresponding control operations, i.e. control the current indicator lamp (51), the voltage indicator lamp (52), and the signal indicator lamp (53) to perform corresponding operations.

7. The USB interface test module according to claim 2, wherein the current test module (42) uses an ammeter to perform a current test in series, the voltage test module (43) uses a voltmeter to perform a voltage test in parallel, and the resistance value of the USB interface to be tested can be calculated according to ohm's law.

8. The USB interface test module according to claim 2, wherein the signal transmitting module (44) and the signal reflecting module (45) are connected to the USB interface to be tested, and the signal transmitting module (44) and the signal reflecting module (45) are respectively located at two ends of the USB interface to be tested.

9. The USB interface testing module according to claim 3, wherein the current indicator lamp (51) is electrically connected to the current testing module (42), the voltage indicator lamp (52) is electrically connected to the voltage testing module (43), and the signal indicator lamp (53) is electrically connected to the signal receiving module (46).

Technical Field

The invention belongs to the field of test modules, and particularly relates to a USB interface test module.

Background

In the existing life, more and more electronic devices with USB ports are provided, after the USB devices are connected to the USB ports of the electronic devices, the electronic devices first need to detect whether the USB devices are connected to the USB ports, and then can realize data exchange with the USB devices, and in order to ensure that the USB ports can work normally, when the electronic devices are subjected to factory inspection and daily maintenance, the quality problems of the USB ports often need to be tested, that is, whether the supply voltages and currents of the electronic devices meet the specifications or not, and whether the transmission data performance of the electronic devices is good or not are checked.

However, in the conventional testing method, a device with a USB interface is used for testing, the device with the USB interface is connected to an electronic device, and then a test program in the electronic device is used to check whether the device with the USB interface can be normally detected, that is, whether the device with the USB interface can normally operate, but the testing method is to test the USB interface by using the external existing electronic device, and it is not possible to visually observe whether the current and current of the USB interface meet the specifications and whether the data transmission performance of the device is good, and meanwhile, the electronic device is not specifically used for testing the quality of the USB interface, so that resource waste is easily caused.

The invention content is as follows:

the present invention is directed to a USB interface testing module, which solves the above problems.

In order to solve the above problems, the present invention provides a technical solution:

the utility model provides a USB interface test module, includes central processing unit, power module, power indicator, USB interface module and test indication module, central processing unit's input electric connection has power module, central processing unit's output electric connection has power indicator, central processing unit's output electric connection has USB interface module, central processing unit's output electric connection has test indication module.

Preferably, the USB interface module includes a USB port, an output end of the USB interface module is electrically connected to the USB port, an output end of the USB port is electrically connected to the current testing module, an output end of the USB port is electrically connected to the voltage testing module, an output end of the USB port is electrically connected to the signal transmitting module, an output end of the signal transmitting module is electrically connected to the signal reflecting module, and an output end of the signal reflecting module is electrically connected to the signal receiving module.

Preferably, the test indication module comprises a current indication lamp, a voltage indication lamp and a signal indication lamp, the output end of the test indication module is electrically connected with the current indication lamp, the output end of the test indication module is electrically connected with the voltage indication lamp, and the output end of the test indication module is electrically connected with the signal indication lamp.

Preferably, the output ends of the current test module and the voltage test module are electrically connected with the input end of the central processing unit, and the output end of the signal receiving module is electrically connected with the input end of the central processing unit.

Preferably, the central processing unit is used for connecting the power supply module and the power supply indicator lamp, and is connected with the USB interface module and the test indication module.

Preferably, the central processing unit is further configured to receive instructions transmitted by the current testing module, the voltage testing module, and the signal receiving module, and perform corresponding control operations, that is, control the current indicator light, the voltage indicator light, and the signal indicator light to perform corresponding operations.

Preferably, the current test module adopts an ammeter to carry out a current test in series, the voltage test module adopts a voltmeter to carry out a voltage test in parallel, and the resistance value of the USB interface to be tested can be calculated according to ohm's law.

Preferably, the signal transmitting module and the signal reflecting module are both connected with the USB interface to be tested, and the signal transmitting module and the signal reflecting module are respectively positioned at two ends of the USB interface to be tested.

Preferably, the current indicator light is electrically connected with the current testing module, the voltage indicator light is electrically connected with the voltage testing module, and the signal indicator light is electrically connected with the signal receiving module.

The invention has the beneficial effects that: according to the invention, the USB interface module is arranged to be connected with the USB interface to be tested, then the current, voltage and transmission data performance of the USB interface to be tested are independently tested through various testing modules in the USB interface module, then the testing result is processed through the central processing unit, and finally the testing result is displayed through the testing indication module, so that the testing result is more visual, and an operator can more conveniently observe various performance indexes of the USB interface to be tested.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is an overall frame diagram of the present invention;

FIG. 2 is a block diagram of a USB interface module according to the present invention.

In the figure: 1. a central processing unit; 2. a power supply module; 3. a power indicator light; 4. a USB interface module; 41. a USB port; 42. a current testing module; 43. a voltage testing module; 44. a signal transmitting module; 45. a signal reflection module; 46. a signal receiving module; 5. a test indication module; 51. a current indicator light; 52. a voltage indicator light; 53. and a signal indicator light.

The specific implementation mode is as follows:

as shown in fig. 1-2, the following technical solutions are adopted in the present embodiment: