CN102479120A - Startup/shutdown test system and startup/shutdown test method - Google Patents

Abstract

A system and method for testing a power-on and power-off machine, the method comprising: preset the range of power-on and power-off time, the number of tests, and the number of times of initialization tests; randomly select a number in the range of power-on and power-off time as the power-on and power-off time, and control Add one to the number of times of testing; control the power supply device under test to start up, and continue the selected power-on time; control the voltage measuring device to measure the working voltage value of the power supply device under test in real time during the continuous power-on time, and read Take the measured working voltage value; when the power supply device under test has been powered on for the selected power-on time, and the read working voltage value is not zero, control the power supply device under test to shut down, and continue the selected shutdown time. Utilizing the present invention can more automatically and effectively carry out switch machine test.

Description

Switch machine test system and method

technical field

The invention relates to a switch machine testing system and method.

Background technique

The ON-OFF test is an important test to check the performance of the equipment under test. At present, the testers mainly conduct manual tests, which easily leads to the inability to know when the power-on or power-off failure will occur, and it is also impossible to use the three-purpose device at any time. The ammeter measures the voltage to determine whether the boot is successful. In addition, under normal circumstances, the SPEC (Standard Performance Evaluation Corporation, system performance evaluation test) of the equipment under test requires ON-OFF 1,000 or 10,000 times, resulting in time-consuming and labor-intensive testing, and due to human factors, error-prone. At the same time, since the device under test is turned on and off with fixed start-up and shutdown times, it is impossible to accurately and comprehensively understand when the device under test fails to start up or shut down.

Contents of the invention

In view of the above, it is necessary to provide a power-on/off test method, which can accurately and comprehensively perform the on-off test by using an automated test method and randomly selecting the power-on and off times to test the power supply device to be tested.

In addition, it is also necessary to provide a power-on/off test system, which can accurately and comprehensively perform power-on/off tests by testing the power supply device to be tested through an automated test method and randomly selecting start-up and shut-down times.

A switch machine testing method, applied to a computer, the computer is respectively connected to a DC electronic load, a power supply device and a voltage measuring device through a general interface bus GPIB, and the described DC electronic load, power supply device and voltage The measuring devices are all connected with the power supply device to be tested. The method includes: a setting step: preset the load and voltage provided for the power supply unit to be tested, the number of tests, the range of start-up and shutdown times, and initialize the number of times tested to zero; the control step: randomly select the range of start-up and shutdown times A number is used as the start-up and shutdown time, and the number of times of control tests plus one; start-up steps: according to the set load and voltage and the selected start-up time, control the start-up of the power supply device under test, and continue the selected start-up Time; reading step: control the voltage measuring device to measure the working voltage value of the power supply device under test in real time during the continuous power-on time, and read the measured working voltage value; shutdown step: when the power supply device under test is turned on When the selected power-on time lasts and the read operating voltage value is not zero, the power supply device under test is controlled to be shut down, and the selected power-off time lasts.

A switch machine test system, running in a computer, the computer is respectively connected to a DC electronic load, a power supply device and a voltage measurement device through a general interface bus GPIB, and the described DC electronic load, power supply device and voltage The measuring devices are all connected with the power supply device to be tested. The system includes: a setting module, which is used to preset the load and voltage provided for the power supply unit to be tested, and preset the number of tests, the range of start-up and shutdown time, and initialize the number of times tested to be zero; the control module is used to start Randomly select a number in the range of the power-on and power-off time as the power-on and power-off time, and control the number of tests plus one; the control module is also used to control the The power supply device under test is turned on and lasts for the selected power-on time; the control module is also used to control the voltage measurement device to measure the working voltage value of the power supply device under test in real time during the continuous power-on time, and Read the measured operating voltage value; the control module is also used to control the The power unit under test is turned off for the selected off time.

Compared with the prior art, the switching machine testing system and method described in the present invention test the power supply device under test through an automated testing method and randomly select the startup and shutdown time, and accurately and comprehensively perform the switching machine test, which improves the test performance. efficiency. In addition, when testing the power-on performance of the power supply device under test, if the power-on failure occurs, the power supply device and the DC electronic load are automatically turned off to end the test process, so that it is possible to know exactly when the power-on or shutdown fails.

Description of drawings

FIG. 1 is a schematic diagram of the structure of a preferred embodiment of the switch machine testing system of the present invention.

Fig. 2 is a functional block diagram of a preferred embodiment of the switching machine testing system of the present invention.

Fig. 3 is a flow chart of a preferred embodiment of the switching machine testing method of the present invention.

Description of main component symbols

computer 1 test system 10 Display unit 20 GPIB 2 DC electronic load 3 Power supply unit 4 Voltage measuring device 5 Power unit under test 6 set module 100 control module 102 display module 104 Judgment module 106 Record module 108

Detailed ways

As shown in FIG. 1 , it is a schematic diagram of the structure of a preferred embodiment of the switching machine testing system of the present invention. The switch machine automatic test system 10 (hereinafter referred to as “test system 10 ”) runs in the computer 1 . The computer 1 also includes a display unit 20 . The display unit 20 is used to display the visualized data output by the computer 1, such as test data and the like. The computer 1 is respectively connected to a DC electronic load 3, a power supply device 4 and a voltage measurement device 5 through three GPIB (General Purpose Interface Bus, general purpose interface bus) 2, so as to realize the DC electronic load 3, power supply Control of device 4 and voltage measuring device 5 . The DC electronic load 3 , the power supply device 4 and the voltage measurement device 5 are all connected to the power supply device 6 to be tested. The DC electronic load 3 is used to provide the required load for the power supply device 6 to be tested, and the power supply device 4 is used to provide voltage for the power supply device 6 to be tested. The voltage measurement device 5 is used to measure the working voltage value of the power supply device 6 to be tested. When the power supply device 6 to be tested works (starts up), there will be a working voltage value (indicating that the working voltage value is not zero). When the power supply device 6 under test is not working (shut down), its operating voltage value is zero.

As shown in FIG. 2 , it is a functional block diagram of the test system 10 in FIG. 1 . The testing system 10 includes a setting module 100 , a control module 102 , a display module 104 and a judging module 106 . The module referred to in the present invention is a computer program segment that completes a specific function, which is more suitable than a program to describe the execution process of software in a computer, so the following description of software in the present invention is described as a module.

The setting module 100 is used to preset the load and voltage provided for the power supply device 6 to be tested, the number of tests, and the range of startup and shutdown times. The preset load, voltage and test times are set according to the SPEC (Standard Performance Evaluation Corporation, system performance evaluation test) of the power supply device 6 to be tested. The number of tests can be set to 1000 or 10000 times. The range of the startup and shutdown time includes a maximum value (maximum) and a minimum value (minimum). For example, you can set a maximum value of 10 seconds and a minimum value of 5 seconds.

The setting module 100 is also used to initialize the number of times tested to be zero.

The control module 102 is used to randomly select a number in the range of the power-on and power-off time as the power-on and power-off time, and to control the number of times tested to be increased by one. It should be noted that by randomly setting the power-on and power-off times, the power performance of the power supply device 6 to be tested can be tested more comprehensively.

The display module 104 is used to display on the display unit 20 the above-mentioned number of times of tests and the time of power-on and power-off selected by the control module 102 after the control module 102 controls the number of times tested to be increased by one. The number of times tested and the startup and shutdown time to understand the test situation. It should be noted that the display module 104 can also display the set test parameters such as load, voltage, and range of start-up and shutdown time on the display unit 20 for users to view.

The control module 102 is further configured to control the power supply device 6 under test to start up according to the set load and voltage and the selected start-up time, and last for the selected start-up time. The control module 102 controls the DC electronic load 3 to provide the set load for the power supply device 6 under test through the GPIB2, controls the power supply device 4 to provide the set voltage for the power supply device 6 under test, and lasts for the selected power-on time.

The control module 102 is also used to control the voltage measurement device 5 to measure the operating voltage value of the power supply device 6 to be tested, and to read the measured operating voltage in real time during the selected startup time and shutdown time value.

The judging module 106 is used to judge whether the read working voltage value is zero.

The control module 102 is also used for controlling the shutdown of the power supply device 6 to be tested when the power supply device 6 under test has been powered on for the selected power-on time and the read operating voltage value is not zero, and continues to The selected shutdown time. The control module 102 controls the DC electronic load 3 to provide zero load for the power supply device 6 to be tested through GPIB2, and controls the power supply device 4 to provide zero voltage for the power supply device 6 to be tested, thereby turning off the DC electronic load 3 and the power supply The power supply device 4 is powered on for the selected shutdown time, so that the power supply device 6 under test is powered off and lasts for the selected shutdown time.

When the power supply device 6 to be tested continues to be turned on, if the read working voltage is zero, the control module 102 turns off the DC electronic load 3 and the power supply device 4 to end the power-on/off test process.

The recording module 108 is used for when the power supply device 6 under test is continuously turned on, if the read operating voltage is zero, and when the control module 102 controls the power supply device 6 to be turned on, if the read operating voltage value If it is not zero, record the test result as a test failure and display it on the display unit 20 .

The recording module 108 is also used to record the test result as a successful test by the recording module 108 when the power supply device 6 to be tested is shut down and continues for the selected shutdown time, and the read operating voltage value is zero, and displayed on the display unit 20.

The judging module 106 is also used for judging whether the number of times of testing has reached the set number of times of testing when the recording module 108 records the test result as a successful test. If the set number of tests is not reached, continue to the next test; if the set number of tests is reached, the power-on test ends.

As shown in FIG. 3 , it is a flow chart of a preferred embodiment of the switching machine testing method of the present invention. Step S10 , the setting module 100 presets the load and voltage provided by the power supply device 6 to be tested, the number of tests, the range of startup and shutdown times, and the number of initialization tests to be zero.

Step S11, the control module 102 randomly selects a number in the range of the power-on and power-off time as the power-on and power-off time, and controls the number of times tested to be increased by one, and the display module 104 displays the above-mentioned value on the display unit 20 The number of times of testing and the startup and shutdown times selected by the control module 102 this time.

Step S12 , according to the set load and voltage and the selected power-on time, the control module 102 controls the power supply unit 6 to be powered on for the selected power-on time. The control module 102 controls the DC electronic load 3 to provide the set load for the power supply device 6 under test through the GPIB2, controls the power supply device 4 to provide the set voltage for the power supply device 6 under test, and lasts for the selected power-on time.

Step S13 , the control module 102 controls the voltage measurement device 5 to measure the working voltage value of the power supply device 6 under test in real time during the continuous power-on time, and reads the measured working voltage value.

Step S14, the judgment module 106 judges whether the read operating voltage value is zero, and when the read operating voltage value is zero, enter step S15; when the read operating voltage value is not zero, enter step S17.

In step S15, the control module 102 turns off the DC electronic load 3 and the power supply device 4, and proceeds to step S16.

In step S16, the recording module 108 records the test result as test failure, and displays it on the display unit 20, and ends the power-on/off test process.

Step S17, when the power supply device 6 under test is powered on for the selected power-on time, the control module 102 controls the power supply device 6 to be powered off for the selected power-off time, and during the continuous power-off time The operating voltage value of the power supply device 6 under test measured by the voltage measuring device 5 is read in real time within a certain period of time. The control module 102 controls the DC electronic load 3 to provide zero load for the power supply device 6 under test through GPIB2, controls the power supply device 4 to provide zero voltage for the power supply device 6 under test, and lasts for the selected shutdown time.

Step S18, the judging module 106 judges whether the read operating voltage value is zero. When the read operating voltage value is zero, enter step S19; when the read operating voltage value is not zero, return to step S16.

Step S19 , when the power supply device 6 under test has been shut down for the selected shutdown time and the read operating voltage value is zero, the recording module 108 records the test result as a successful test.

In step S20, the judging module 106 judges whether the number of tested times reaches the set number of tested times. If the set number of tests is not reached, then return to step S11 to continue the next test; if the set number of tests is reached, the power-on/off test ends.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be Modifications or equivalent replacements can be made without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. A switch machine test method is applied in a computer, and the computer is respectively connected with a DC electronic load, a power supply device and a voltage measuring device through a general interface bus GPIB, and the described DC electronic load, the power supply device And the voltage measurement device is connected with the power supply device to be tested, it is characterized in that the method includes: Setting steps: preset the load and voltage provided for the power supply unit under test, the number of tests, the range of start-up and shutdown time, and the number of initialized tests to zero; Control steps: Randomly select a number in the range of startup and shutdown time as the startup and shutdown time, and control the number of times tested to be increased by one; Start-up step: according to the set load and voltage and the selected start-up time, control the power supply device under test to start up, and continue for the selected start-up time; Reading step: control the voltage measuring device to measure the operating voltage value of the power supply device under test in real time during the continuous power-on time, and read the measured operating voltage value; Shutdown step: when the power supply device under test has been powered on for the selected power-on time and the read working voltage value is not zero, control the power supply device under test to shut down for the selected power-off time. 2. switch machine testing method as claimed in claim 1, is characterized in that, this method also comprises: Display steps: display the above-mentioned tested times and the selected startup and shutdown time on the display unit of the computer. 3. The switch machine testing method as claimed in claim 1, wherein, the described start-up step is to control the DC electronic load through GPIB to provide the load provided for the power supply unit to be tested, and to control the power supply unit to provide the power supply unit to be tested. The set voltage is achieved by continuing the selected power-on time; And the shutdown step is to control the DC electronic load to provide zero load for the power supply device under test through GPIB, and control the voltage provided by the power supply device to be zero for the power supply device under test, thereby closing the DC electronic load and the power supply device, and This is achieved by continuing the shutdown time selected. 4. switch machine test method as claimed in claim 3, is characterized in that, this method also comprises the step: During the continuous power-on process of the power supply device to be tested, when the read operating voltage is zero, turn off the DC electronic load and the power supply device, and record the test result as a test failure, and end the process; And during the continuous shutdown process of the power supply device under test, when the read operating voltage value is not zero, record the test result as test failure, and end the process. 5. The switch machine test method as claimed in claim 1, is characterized in that, the method also comprises: When the power supply device to be tested has been shut down for the selected shutdown time and the read operating voltage value is zero, record the test result as a successful test, and determine whether the number of tests has reached the set number of tests; and If the number of tested times reaches the set number of tested times, the process ends; or If the number of times of testing has not reached the set number of times of testing, return to the control step and continue the next test. 6. A switching machine test system, running in a computer, the computer is respectively connected with a DC electronic load, a power supply device and a voltage measuring device through a general interface bus GPIB, and the described DC electronic load, the power supply device And the voltage measurement device is connected with the power supply device to be tested, it is characterized in that the system includes: The setting module is used to preset the load and voltage provided for the power supply device to be tested, and preset the number of tests, the range of startup and shutdown times, and initialize the number of times tested to zero; The control module is used to randomly select a number in the range of the startup and shutdown time as the startup and shutdown time, and to control the number of times tested to be increased by one; The control module is also used to control the power supply device under test to start up according to the set load and voltage and the selected start-up time, and continue for the selected start-up time; The control module is also used to control the voltage measurement device to measure the working voltage value of the power supply device under test in real time during the continuous power-on time, and read the measured working voltage value; The control module is also used to control the shutdown of the power supply device under test when the power supply device under test has been powered on for the selected power-on time and the read operating voltage value is not zero, and continues for the selected time. shutdown time. 7. switch machine test system as claimed in claim 6, is characterized in that, this system also comprises The display module is used to display the above-mentioned tested times and the selected startup and shutdown time on the display unit of the computer. 8. The switch machine test system as claimed in claim 6, wherein the control module is to control the DC electronic load through GPIB to provide a set load for the power supply device to be tested, and to control the power supply device to provide the power supply device to be tested. The set voltage, and continue the selected power-on time, to control the power supply device under test to start and continue the selected power-on time; And control the DC electronic load to provide zero load for the power supply device under test through GPIB, and control the power supply device to provide zero voltage for the power supply device to be tested, thereby turning off the DC electronic load and the power supply device, and continuing the shutdown time selected , to control the shutdown of the power supply device under test and to last for the selected shutdown time. 9. The switch machine test system according to claim 8, wherein the control module is also used to shut down the The DC electronic load and power supply device, the end of the switch machine test process. 10. The switch machine testing system according to claim 6, characterized in that, the system also includes a recording module, which is used for when the read working voltage is zero, or when the power supply device under test is continuously turned on, During the continuous shutdown of the power supply device under test, when the read operating voltage is not zero, the test result is recorded as a test failure, and when the power supply device under test is powered off for the selected shutdown time, and within the continuous shutdown time Record the result as the test is successful when the value of the working voltage read in is zero; The judging module is used to judge whether the number of tests has reached the set number of tests when the test result is recorded as successful, if the set number of tests is not reached, continue to the next test, if the set number of tests is reached , the switch test ends.

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