CN115406691A - Automatic testing method and system for air conditioner - Google Patents
Automatic testing method and system for air conditioner Download PDFInfo
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Abstract
The invention provides an automatic test method and a test system of an air conditioner; the test method comprises the following steps: establishing connection between an upper computer and a tested air conditioner mainboard through a test tool; acquiring a preset test case as a test script; carrying out black box test on the tested air conditioner mainboard according to the test script to obtain test data; and analyzing according to the test data to obtain a test result. According to the invention, by introducing the test cases, the control instructions are sent one by one, the data of the tested control board is read, the result comparison is carried out, and the process data and the result are recorded, so that the accuracy, objectivity and continuity of the data are ensured, the workload of testers is reduced, and the test efficiency and quality are improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an automatic testing method and a testing system of an air conditioner.
Background
With the development of the technology, the functions of the air conditioner are more and more, and how to efficiently test the functions of the air conditioner also becomes an important direction for the current technology development. In the field of automobiles and mobile phones, because the intelligent degree is higher, an integrated unit test can be compiled during system test, thereby realizing the purpose of integral function test.
However, the intelligent degree in the air conditioning field is not high, manual operation is often adopted for testing various functions, and the production cost is greatly increased.
Disclosure of Invention
In order to solve the above problems, the present invention provides an automatic testing method for an air conditioner, comprising the following steps:
s100: establishing connection between an upper computer and a tested air conditioner mainboard through a test tool;
s200: acquiring a preset test case as a test script;
s300: carrying out black box test on the tested air conditioner mainboard according to the test script to obtain test data;
s400: and analyzing according to the test data to obtain a test result.
The technical scheme has the advantages that the upper computer sends data, uncertain factors caused by manual operation are avoided, test data are more accurate, and test results are more objective. An expandable bus network can be formed by the upper computer, the test tool and the tested air conditioner mainboard, so that the function test of a plurality of air conditioners is realized, and the overall test efficiency is improved. In addition, the intelligent level of the whole testing stage is improved, the testing result can be automatically judged by software, and manual intervention is avoided, so that the accuracy of the testing result is improved. According to the embodiment, the test cases are introduced, the control instructions are sent one by one, the data of the tested control board are read, the result is compared, and the process data and the result are recorded, so that the accuracy, the objectivity and the continuity of the data are ensured, the workload of testers is reduced, and the test efficiency and the test quality are improved.
Further, acquiring a preset test case as a test script includes: acquiring register information configuration according to a test tool; and importing a corresponding test case according to the register information configuration, wherein the test case is used as a test script.
Further, the black box test of the tested air conditioner mainboard according to the test script to obtain test data comprises: controlling the test tool to execute each test command according to the test script; recording the test data of each test command; wherein the test data includes a pass or fail test.
In this embodiment, after the automatic test is started, the test fixture executes each test command one by one, records test data of the test command, and after all the test commands are executed, summarizes all the test data and generates a test result to be exported.
The invention also provides an automatic test system of the air conditioner, which comprises an upper computer and a test tool; the host computer includes: the register configuration module is used for acquiring register information configuration of the test tool; the case management module is used for managing test cases in a preset format, and the test cases are used as test scripts of the software; and the test management module is used for carrying out black box test on the tested air conditioner mainboard according to the test script and exporting a test result.
In this embodiment, the upper computer is a software system formed by a series of software functional modules, and can send a Modbus instruction to the test fixture to achieve the purpose of controlling the function of the tested air conditioner mainboard. The register configuration module has the main function of configuring the register information of each register area in the test tool, and therefore corresponds to hardware interfaces such as various sensors and switches. The case management module can lead in test cases which are written by testers in advance, and further can be used for creating, editing and running test items. The test management module can provide functions of manual test, remote controller instruction sending, real-time curve, real-time monitoring and the like.
Further, the host computer still includes: the user module is used for login/registration of a user; and/or a system setting module for setting system parameters; and/or the historical data module is used for managing the historical test data of the test management module.
In the embodiment, the upper computer is connected with the tested air conditioner mainboard through the user module and the system setting module; the user module comprises login/registration, and firstly judges whether the user module is registered, if so, the user module directly logs in, and otherwise, the user module firstly logs in and then logs in. Further, setting basic parameters through a system setting module; the basic parameters include, for example, the number of internal and external machines, the control mode of the internal machine, the communication mode of the machine set, and the port number. And entering an automatic testing program after the connection port is successful, and otherwise, resetting the parameters.
Furthermore, the test system also comprises a stepping motor processing module, and the stepping motor processing module is used for processing the stepping motor every t 1 Acquiring the phase of a stepping motor by time; when the phases of two continuously collected stepping motors are the same, recording as an input phase; and adjusting the number of the stepping motors according to the change of the input phase and the previous input phase.
In this embodiment, when the input phase and the previous input phase show a positive change, the number of the stepping motors increases; when the input phase and the previous input phase show negative changes, the number of the stepping motors is reduced.
Further, the test system also comprises a DA sensor processing module; the DA sensor processing module is used for acquiring digital signals and outputting analog signals; the actual output value of the analog signal is adjusted according to the temperature difference between the target output value and the input register address.
In this embodiment, the DA sensor processing module may set a fine tuning function. If the fine tuning function is set, after the DA parameters are configured, DA refreshing is triggered immediately. When the DA is refreshed after communication is triggered or DA configuration is written for the first time, the actual output value of the analog signal of the DA sensor processing module is adjusted according to the temperature difference value between the target output value and the input register address. If the fine adjustment function is not set, after the DA parameters are configured, the DA sensor processing module inquires a corresponding target output value according to the current sensor type; and then, adjusting the actual output value of the analog signal of the DA sensor processing module according to the temperature difference value between the target output value and the input register address. .
Further, the temperature difference is proportional to the difference between the target output value and the actual output value.
Further, when the temperature difference is within the allowable deviation range, the actual output value is equal to the target output value.
Furthermore, the test system also comprises a hardware interface, and the hardware interface corresponds to a register configuration module of the upper computer. Wherein, the hardware interface includes: the system comprises a multi-path switching value input interface, a multi-path switching value output interface, a multi-path stepping motor input interface, a multi-path PG motor feedback interface, a multi-path direct current motor feedback interface, a multi-path address selection switch, a multi-path infrared remote control interface, a multi-path DA signal interface and the like. The multi-path stepping motor input interface comprises a high-low voltage switch and a relay switch, for example. The DA signal interface is complex, ensures stable and real data through optical coupling isolation and is used for converting digital signals into analog signals.
Drawings
Fig. 1 is a flowchart of an automatic testing method for an air conditioner according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of an automatic testing system module of an air conditioner according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below for clarity and completeness. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
In the related art, a manual operation mode is often adopted for the air conditioner function test, and various problems are often caused by the original test mode, for example, the test result is not objective due to human intervention; the function test brings a large amount of repeated and tedious work, the labor cost is increased, and the tester needs to detect all data one by one, so the test efficiency is low; in the process of test preparation, a large amount of wiring work is required. In particular, in the manual detection process, problems often occur in the storage and tracing of data.
Referring to fig. 1, in order to solve the above problem, an embodiment of the present invention provides an automatic testing method for an air conditioner, including the following steps:
s100: establishing connection between an upper computer and a tested air conditioner mainboard through a test tool;
s200: acquiring a preset test case as a test script;
s300: carrying out black box test on the tested air conditioner mainboard according to the test script to obtain test data;
s400: and analyzing according to the test data to obtain a test result.
In this embodiment, the test case is written in advance by a tester; the upper computer controls the test tool to carry out black box test on the tested air conditioner mainboard; and the tested air conditioner mainboard transmits related data to the upper computer through the test tool. The upper computer can calculate and analyze according to the test data to finally obtain a test result.
The technical scheme has the advantages that the upper computer sends data, uncertain factors caused by manual operation are avoided, test data are more accurate, and test results are more objective. The upper computer, the test tool and the tested air conditioner mainboard can form a scalable bus network, so that the function test of a plurality of air conditioners is realized, and the overall test efficiency is improved. In addition, the intelligent level of the whole testing stage is improved, the testing result can be automatically judged by software, and manual intervention is avoided, so that the accuracy of the testing result is improved. In the embodiment, the test cases are led in, the control instructions are sent one by one, the data of the tested control board is read, the result is compared, and the process data and the result are recorded, so that the accuracy, the objectivity and the continuity of the data are ensured, the workload of testers is reduced, and the test efficiency and the test quality are improved.
Further, acquiring a preset test case as a test script includes: acquiring register information configuration according to a test tool; and importing a corresponding test case according to the register information configuration, wherein the test case is used as a test script.
In this embodiment, the test script is a test case written in advance by a tester, and the test script configures a corresponding test case for the register information.
Further, the black box test of the tested air conditioner mainboard according to the test script to obtain the test data comprises: controlling the test tool to execute each test command according to the test script; recording the test data of each test command; wherein the test data includes a pass or fail test.
In this embodiment, after the automatic test is started, the test fixture executes each test command one by one, records test data of the test command, and after all the test commands are executed, summarizes all the test data and generates a test result to export.
Example 2
Referring to fig. 2, an embodiment of the present invention further provides an automatic testing system for an air conditioner, including an upper computer and a testing tool; the host computer includes: the register configuration module is used for acquiring register information configuration of the test tool; the case management module is used for managing test cases in a preset format, and the test cases are used as test scripts of the software; and the test management module is used for carrying out black box test on the tested air conditioner mainboard according to the test script and exporting a test result.
In this embodiment, the automated testing system corresponds to the automated testing method of embodiment 1. The upper computer is a software system consisting of a series of software functional modules and can send Modbus instructions to the test tool to achieve the purpose of controlling the functions of the tested air conditioner mainboard. The register configuration module has the main function of configuring the register information of each register area in the test tool, and therefore corresponds to hardware interfaces such as various sensors and switches. The case management module can lead in test cases which are written by testers in advance, and further can be used for creating, editing and running test items. The test management module can provide functions of manual test, remote controller instruction sending, real-time curve, real-time monitoring and the like.
The test fixture can integrate various communication protocols, and corresponding values are written into corresponding registers in the holding registers through the Modbus to select the protocols. On the other hand, the read-write operation of data is performed between the test tool and the upper computer by adopting but not limited to a ModbusRtu protocol. The test fixture and the tested air conditioner mainboard are integrated with each other, but not limited to 485 communication, zero-fire communication and Homebus communication protocols.
Further, the host computer still includes:
the user module is used for login/registration of a user; and/or
The system setting module is used for setting system parameters; and/or
And the historical data module is used for managing the historical test data of the test management module.
In the embodiment, the upper computer is connected with the tested air conditioner mainboard through the user module and the system setting module; the user module comprises login/registration, and firstly judges whether the user module is registered, if so, the user module directly logs in, and otherwise, the user module firstly logs in and then logs in. Further, setting basic parameters through a system setting module; the basic parameters include, for example, the number of internal and external machines, the control mode of the internal machine, the communication mode of the machine set, and port numbers. And entering an automatic testing program after the connection port is successful, and otherwise, resetting the parameters.
The historical data module can provide management of historical data of the test software, and can load the historical test data in any time period. The module is synchronously performed with an automatic test program after the connection port is successful, and various data during testing can be stored in a database, so that process data cannot be lost, and later-stage tracing is facilitated. On the other hand, the test result finally obtained by the test management module is also saved in the database through the historical data module. The format of each item of data includes, but is not limited to, excel, word, PDF, and other files.
Furthermore, the test system also comprises a stepping motor processing module, and the stepping motor processing module is used for processing the stepping motor every t 1 Acquiring the phase of a stepping motor by time; when the phases of two continuously collected stepping motors are the same, recording as an input phase; and adjusting the number of the stepping motors according to the change of the input phase and the previous input phase.
In this embodiment, when the input phase and the previous input phase show a positive change, the number of the stepping motors increases; when the input phase and the previous input phase show negative changes, the number of the stepping motors is reduced.
Further, the test system also comprises a DA sensor processing module;
the DA sensor processing module is used for acquiring a digital signal and outputting an analog signal;
the actual output value of the analog signal is adjusted according to the temperature difference between the target output value and the input register address.
In this embodiment, the DA sensor processing module may set a fine tuning function. If the fine tuning function is set, after the DA parameters are configured, DA refreshing is triggered immediately. When the DA is refreshed after communication is triggered or DA configuration is written for the first time, the actual output value of the analog signal of the DA sensor processing module is adjusted according to the temperature difference value between the target output value and the input register address.
If the fine adjustment function is not set, after the DA parameters are configured, the DA sensor processing module inquires a corresponding target output value according to the type of the current sensor; and then, adjusting the actual output value of the analog signal of the DA sensor processing module according to the temperature difference value between the target output value and the input register address.
Further, the temperature difference is proportional to the difference between the target output value and the actual output value.
In this embodiment, if the fine adjustment function is not set, the actual output value is adjusted as follows:
when the temperature difference is greater than T 1 When the actual output value is adjusted by the target output value by n 1 Obtaining a unit;
when the temperature difference is greater than T 2 When the actual output value is adjusted by the target output value by n 2 Obtaining units;
when the temperature difference is greater than T 3 When the actual output value is adjusted by the target output value n 3 Units are obtained.
Wherein, T 1 ＞T 2 ＞T 3 ，n 1 ＞n 2 ＞n 3 . In one embodiment, T 1 Preferably 10 ℃; t is a unit of 2 Preferably 2 ℃; t is 3 Preferably 0.1 ℃; n is a radical of an alkyl radical 1 Preferably 50; n is a radical of an alkyl radical 2 Preferably 10; n is 3 Preferably 1.
If the fine adjustment function is set, the adjustment mode of the actual output value is as follows:
when the temperature difference is greater than T 4 When the actual output value is adjusted by the target output value by n 4 Obtaining units;
when the temperature difference is greater than T 5 When the actual output value is adjusted by the target output value by n 5 Units are obtained.
Wherein, T 4 ＞T 5 ，n 4 ＞n 5 . In one embodiment, T 4 Preferably 10 ℃; t is 5 Preferably 0.1 ℃; n is a radical of an alkyl radical 4 Preferably 10; n is 5 Preferably 1.
Further, when the temperature difference is within the allowable deviation range, the actual output value is equal to the target output value.
Furthermore, the test system also comprises a hardware interface, and the hardware interface corresponds to a register configuration module of the upper computer. Wherein, the hardware interface includes: the system comprises a multi-path switching value input interface, a multi-path switching value output interface, a multi-path stepping motor input interface, a multi-path PG motor feedback interface, a multi-path direct current motor feedback interface, a multi-path address selection switch, a multi-path infrared remote control interface, a multi-path DA signal interface and the like. The input interface of the multi-path stepping motor comprises a high-low voltage switch and a relay switch, for example. The DA signal interface is complex, ensures stable and real data through optical coupling isolation and is used for converting digital signals into analog signals.
Example 3
The embodiment provides an automatic testing system and method for air conditioning functions.
The test system comprises an upper computer, a test tool and a tested air conditioner mainboard. Wherein, it can be a plurality of to be surveyed the air conditioner mainboard, and each is surveyed the air conditioner mainboard and corresponds a test fixture. The test tool integrates multiple communication protocols, and each tested air conditioner mainboard is connected with the same upper computer, so that a bus network is formed.
The host computer is the software system that a series of functional module constitute, specifically includes: the system comprises a user module, a system setting module, a register configuration module, a use case management module, a test management module and a historical data module.
After the connection between the upper computer and the tested air conditioner mainboard is established through the test tool, a test preparation stage is started: firstly, a user module is started, registered users can directly log in, and if not, the users need to log in after registering; and starting a system setting module after login, setting basic parameters of the whole system, entering a testing stage after a connection port is successful, and resetting the basic parameters if the connection port is failed.
After entering a test stage, firstly starting a register configuration module, acquiring register information configuration, using a case management module to introduce a corresponding test case as a test script, and starting automatic test; at this moment, the test management module is started to execute each test command one by one to obtain test data. And after the test stage is started, the historical data module records the process data and the final test result in real time and stores the process data and the final test result in a database.
In the embodiment, the upper computer is adopted for control and data processing during the function test of the air conditioner, the intelligent degree of the whole test method is improved, the manual intervention is greatly reduced, and on one hand, various influences of human factors on data can be reduced, so that the final detection result is more objective and accurate. On the other hand, the labor cost of the functional test link is reduced, the workload of testers is reduced, the testers are released from boring and heavy work, and the test efficiency and quality are improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An automatic testing method of an air conditioner is characterized by comprising the following steps:
the connection between the upper computer and the tested air conditioner mainboard is established through the testing tool;
acquiring a preset test case as a test script;
carrying out black box test on the tested air conditioner mainboard according to the test script to obtain test data;
and analyzing according to the test data to obtain a test result.
2. The testing method according to claim 1, wherein the obtaining of the preset test case as the test script comprises:
acquiring register information configuration according to the test tool;
and importing a corresponding test case according to the register information configuration, wherein the test case is used as a test script.
3. The testing method of claim 1, wherein the performing a black box test on the tested air conditioner motherboard according to the test script to obtain test data comprises:
controlling the test tool to execute each test command according to the test script;
recording the test data of each test command;
wherein the test data comprises a pass or fail test.
4. An automatic testing system of an air conditioner is characterized by comprising an upper computer and a testing tool;
the host computer includes:
the register configuration module is used for acquiring register information configuration of the test tool;
the case management module is used for managing a test case with a preset format, and the test case is used as a test script of software;
and the test management module is used for carrying out black box test on the tested air conditioner mainboard according to the test script and exporting a test result.
5. The test system of claim 4, wherein the upper computer further comprises:
the user module is used for login/registration of a user; and/or
The system setting module is used for setting system parameters; and/or
And the historical data module is used for managing the historical test data of the test management module.
6. The test system of claim 4, further comprising a stepper motor processing module,
the step motor processing module is arranged at intervals of t 1 Acquiring the phase of a stepping motor by time;
when the phases of two continuously collected stepping motors are the same, recording as an input phase;
and adjusting the number of the stepping motors according to the change of the input phase and the last input phase.
7. The test system of claim 4, further comprising a DA sensor processing module;
the DA sensor processing module is used for acquiring digital signals and outputting analog signals;
and adjusting the actual output value of the analog signal according to the temperature difference between the target output value and the input register address.
8. The test system of claim 7, wherein the temperature difference is proportional to a difference between the target output value and an actual output value.
9. The test system of claim 7, wherein the actual output value is equal to the target output value when the temperature difference is within an allowable deviation range.
10. The test system of claim 4, further comprising a hardware interface, the hardware interface corresponding to the register configuration module of the upper computer.
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| CN118391788A (en) * | 2024-03-27 | 2024-07-26 | 浙江新奥兰汽车空调有限公司 | Air conditioner testing method, system, electronic equipment and storage medium |
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