Load power detection device based on type-C interface and detection method thereof

A technology of load power and detection device, applied in the direction of electric power measurement through current/voltage, etc., can solve the problems of time-consuming and laborious, low detection efficiency, unfavorable mass detection, etc., and achieve the effect of improving detection efficiency

Pending Publication Date: 2022-02-22

SHENXUN COMP KUNSHAN

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AI-Extracted Technical Summary

Problems solved by technology

However, the current detection method is time-consuming and laborious, which is ...

Method used

Compared with prior art, load power detection device and detection method thereof based on type-C interface provided by the invention, supply power to type-C interface by power supply module, then detect described type-C interface by detection module Whether a pull-up resistor and a pull-down resistor are connected, and then the control module controls th...

Abstract

A load power detection device based on a type-C interface and a detection method thereof are used for detecting a type-C interface, and the load power detection device based on the type-C interface comprises: a power supply module which provides a power supply for the type-C interface; a detection module which is used for detecting whether the type-C interface is connected with a pull-up resistor and a pull-down resistor or not; a control module which is used for controlling the type-C interface to output a voltage and a current; a load module which is connected with the output module, wherein the voltage and current output by the type-C interface are transmitted to the load module; a power detection module which detects the power of the load module; a judgment module which is used for judging whether the power detected by the power detection module is qualified or not and outputting a judgment result; and a display module which is connected with the judgment module, wherein the display module is used for displaying the judgment result of the judgment module. Therefore, whether the output power of the type-C interface is normal or not can be quickly detected, and the detection efficiency is greatly improved.

Application Domain

Power measurement by current/voltage

Technology Topic

Embedded systemPull-up resistor +4

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Examples

Experimental program(1)

Example Embodiment

[0032] In order to further illustrate the technical means taken by the present invention and its effects, a preferred embodiment of the invention and the drawings thereof will be described in detail below.

[0033] See figure 1 , figure 1 A block diagram of a load power detecting device based on a TYPE-C interface of the present invention.

[0034] In this embodiment, the load power detecting apparatus 100 provided by the TYPE-C interface is provided by the TYPE-C interface 10 for detecting the load power of the TYPE-C interface 10, the load power detecting device 100 based on the TYPE-C interface. include:

[0035] The power supply module 110 provides a power source for the TYPE-C interface 10, the voltage output of the power supply module 110 is 5V;

[0036] The detection module 120 is connected to the TYPE-C interface 10, which detects whether the TYPE-C interface 10 connects a pull-up resistor 11 and a pull-down resistor 12, wherein the pull-up resistor 11 and the The pull-down resistor 12 is a resistant string, which is composed of several resistors or in series;

[0037] The control module 130 is connected to the detection module 120 and the TYPE-C interface 10, and when the detection module 120 detects the pull-up resistor 11 and the pull-down resistor 12, the control module 130 controls The TYPE-C interface 10 outputs a voltage and a current;

[0038] The load module 140 is connected to the TYPE-C interface 10, and the voltage and current transmitted by the TYPE-C interface 10 to the load module 140;

[0039] The power detecting module 150 is connected to the load module 140, the power detecting module 150 detects the power of the load module 140;

[0040] The determination module 160 is connected to the power detecting module 150, which determines whether the power detected by the power detecting module 150 is qualified, and outputs a judgment result;

[0041] The display module 170 is connected to the determination module 160, the display module 170 displays the determination result of the determination module 160, and when the detection result is passed, the display module 170 displays "pass", when the detection result is unqualified, The display unit displays "fail".

[0042] In this embodiment, the voltage output from the power supply module 110 is 5V.

[0043] In this embodiment, the pull-down resistor 12 connected to the VBUS pin connection of the TYPE-C interface 10 is a resistance string, and the resistance string consists of several resistors or in series, and The upper pull resistor 11 has a resistance value of 10,000 Euros, and the resistance value of the pull-down resistor 12 is 5.1 thousand.

[0044] In this embodiment, when the detection module 120 detects the pull-up resistor 11 and the pull-down resistor 12, the control module 130 controls the TYPE-C interface 10 to output a voltage and a current, in which Type-C is The output of the output output of the interface 10 is 5V, and the output current is 3A.

[0045] In this embodiment, the load module 140 also connects an LED display light, when the voltage and current output of the TYPE-C interface 10 flow through the load module 140, the LED display lights illuminates, indicating that the circuit is turned on, loaded The module 140 can receive the voltage and current output from the TYPE-C interface 10.

[0046] In the present embodiment, the determination module 160 determines whether the power detected by the power detecting module 150 is 15 watts. If it is qualified, the detection result is unqualified.

[0047] See figure 2 , figure 2 A flow chart of a load power detecting method based on a TYPE-C interface of the present invention. A load power detecting method based on a TYPE-C interface is provided by the TYPE-C interface 10, and the load power detecting method based on the TYPE-C interface includes the following steps:

[0048] S110: Connect a TYPE-C interface 10 to a power supply module 110;

[0049]S120: Detection module 120 detects whether or not the VBUS pin of the TYPE-C interface 10 connects a pull-up resistor 11, whether the GND pin is connected to the pull resistor 12, if the pull-up resistor 11 and the pull-down resistor 12 are detected, then proceed 130. Conversely, the detection failed;

[0050] S130: When the detection module 120 detects the pull-up resistor 11 and the pull-down resistor 12, the control module 130 controls the TYPE-C interface 10 to output a voltage and a current;

[0051] S140: The voltage and current transmitted by the TYPE-C interface 10 to a load module 140, and the load module 140 starts working after the voltage is received;

[0052] S150: The power detecting module 150 detects the power of the load module 140;

[0053] S160: The determination module 160 determines whether the power detected by the power detecting module 150 is qualified and outputs a judgment result;

[0054] S170: Display module 170 displays the determination result of the determination module 160.

[0055] Optionally, the upper pull resistor 11 in the step S120 is 10 kilometers, and the resistance value of the pull-down resistor 12 is 5.1 kΩ.

[0056] Optionally, the output module output in the step S130 is 5V, and the output current is 3A.

[0057] Optionally, the load module 140 in the step S140 also connects a LED display light.

[0058] Optionally, the determination module 160 determines whether or not the power detected by the power detecting module 150 is 15 watts. If the detection result is qualified, the detection result is unqualified.

[0059] Compared to the prior art, the load power detecting apparatus of the TYPE-C interface is supplied based on the TYPE-C interface, and the detection method is supplied to the Type-C interface, and the TYPE-C interface is detected by the power supply module. The pull-up resistor and the pull-down resistor are then controlled by the control module to control the TYPE-C interface output voltage and current to the load module. The power detecting module detects the power of the load module, and finally determines whether the power detecting module detects whether the power detection module is qualified. It can quickly detect whether the output power of the TYPE-C interface is normal and greatly improves the detection efficiency.

[0060] It should be noted that the invention is not limited to the above embodiment, any simple modification, equivalent change and modification of the present invention, which is incorporated herein by reference.

PUM

Property	Measurement	Unit
Resistance	10.0	kΩ
Resistance	5.1	kΩ

Description & Claims & Application Information

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Classification and recommendation of technical efficacy words

Improve detection efficiency

Load power detection device based on type-C interface and detection method thereof

AI-Extracted Technical Summary

Problems solved by technology

Method used

Abstract

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Examples

Example Embodiment

PUM

Description & Claims & Application Information

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