Method and apparatus for testing UPS control unit

Abstract

The invention relates to UPS control unit testing method. In order to increase development and shakedown test of UPS control software and system to make the test have better safety, the method includes the following steps: offering a UPS control unit and a UPS simulation complete machine; installing the former to the latter; using the UPS simulation complete machine to finish the test. The invention also offers a UPS control unite testing device.

Description

【Technical field】 [0001] The invention belongs to the technical field of uninterruptible power supply (UPS for short), and in particular relates to a method and device for testing a UPS control unit. 【Background technique】 [0002] The UPS control unit is the core component that controls the entire working process of the UPS. It is mainly composed of the main control chip and some peripheral circuits. The main control chip and its software are the core of the UPS control unit, which mainly completes the voltage, current and temperature of the UPS power part. Acquisition of data volume, calculation and processing of the collected analog data, logical judgment and processing of the collected digital signals, and sending control signals to the power part to control the action of each device in the power part and complete the work of the UPS State transition, while receiving and sending signal output of human-computer interaction information input, processing and display, etc. ...

AI Technical Summary

Problems solved by technology

[0004] (1) In the initial stage of UPS development, the design of the UPS hardware is often not completed, so that the UPS control software does not have a suitable debugging platform. Therefore, software developers must wait for the completion of the UPS hardware design before software debugging, thus delaying the UPS Control the development and debugging progress of the software and the whole system.

[0005] (2) When debugging in the initial stage of UPS control software development, it is difficult to ensure the correctness of the control software because the software has just been written. The UPS control unit plays a key role in the whole machine. Accurate or logical errors can easily lead to damage to the UPS components or even the risk of explosion.

[0006] (3) Since the UPS machine usually works in a normal state, it becomes difficult to test some abnormal protection states. For example, for the detection and protection functions of internal device overvoltage and other faults, using the actual UPS machine system is Unable to test.

[0007] (4) The software test of the control unit on the UPS machine is very random, and the test method and test content may be different for different testers. Therefore, the comparability of the test results is very poor.

[0008] (5) After the development and testing of the UPS control software, it enters the maintenance stage. After the software is modified, a regression test is required. The workload of the regression test on the whole machine is very large, and all functions of the UPS must be tested once. , to ensure the correctness of this software modification. Therefore, this method will spend a lot of regression testing time, and the testing efficiency is very low.

[0009] (6) The current test is that the developer writes the UPS control software at one time, and then debugs and tests. This will leave many problems to the test stage. Even some faults that are easy to find in the early stage of development, because they are not timely It was found that it became very hidden in the testing stage, and even could not be found, leaving a great hidden danger to the software.

[0010] (7) In the past, the debugging of the control unit during production was to install it on the whole machine for debugging. If there is an error in the control unit due to production reasons, but the production debugging personnel did not find it, once it is installed in the UPS Debugging on the whole machine may cause damage to the whole machine, and using the whole machine to debug is time-consuming and laborious.

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