CN112731133A - Method and device for detecting electrical service life of alternating current contactor - Google Patents
Method and device for detecting electrical service life of alternating current contactor Download PDFInfo
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Abstract
The invention provides a method and a device for detecting the electrical service life of an alternating current contactor, and belongs to the technical field of alternating current contactors. The application includes: acquiring experimental parameters for carrying out experimental detection on the electrical service life of the alternating current contactor, wherein the experimental parameters are related to the rated voltage and the rated current of the alternating current contactor; adjusting a load value of a load in a detection circuit according to the experiment parameters until actual parameters in the detection circuit accord with the experiment parameters, wherein the detection circuit is used for carrying out experiment detection on the electrical service life of the alternating current contactor; and carrying out experimental detection on the electrical service life of the alternating current contactor. Through the method and the device, the problem that the test method for the electrical service life test of the alternating current contactor in the related technology is complex in operation and results in low test efficiency of the electrical service life of the alternating current contactor can be solved, the automatic test of the electrical service life of the alternating current contactor is facilitated, and the test efficiency of the electrical service life of the alternating current contactor is improved.
Description
Technical Field
The application belongs to the technical field of alternating current contactors, and particularly relates to a method and a device for detecting the electrical service life of an alternating current contactor, computer equipment and a computer readable storage medium.
Background
Ac contactor is when carrying out the electric life experiment, because of equipment belongs to manually operation equipment, after installation experiment sample, need artifical experimental current according to the sample, the load resistance and the inductance of equipment are adjusted to voltage, need add and subtract resistance and inductance value relapse, the experimental parameter of debugging equipment, after the parameter accords with the experimental condition, just can carry out the experiment test, present test method, the operation is too complicated, to unfamiliar with the equipment personnel, can't go up to hand the arrangement experiment fast, the efficiency of the test that leads to ac contactor's electric life is lower.
The test method for the electrical service life test of the alternating current contactor under the application scheme is complex to operate, and the test efficiency of the electrical service life of the alternating current contactor is low.
Disclosure of Invention
In order to overcome the problem that the test efficiency of the electrical service life of the alternating current contactor is low due to the fact that the operation of a test method for carrying out an electrical service life experiment on the alternating current contactor in the related technology is complex at least to a certain extent, the application provides a method and a device for detecting the electrical service life of the alternating current contactor, computer equipment and a computer readable storage medium, which are beneficial to realizing the automatic test of the electrical service life of the alternating current contactor and further improve the test efficiency of the electrical service life of the alternating current contactor.
In order to achieve the purpose, the following technical scheme is adopted in the application:
in a first aspect,
the application provides a method for detecting the electrical service life of an alternating current contactor, which comprises the following steps:
acquiring experimental parameters for carrying out experimental detection on the electrical service life of the alternating current contactor, wherein the experimental parameters are related to the rated voltage and the rated current of the alternating current contactor;
adjusting a load value of a load in a detection circuit according to the experiment parameters until actual parameters in the detection circuit accord with the experiment parameters, wherein the detection circuit is used for carrying out experiment detection on the electrical service life of the alternating current contactor;
and carrying out experimental detection on the electrical service life of the alternating current contactor.
Further, adjusting a load value of a load in a detection circuit according to the experimental parameter until an actual parameter in the detection circuit conforms to the experimental parameter includes:
determining an expected load value of a load in the detection circuit according to the experiment parameters;
adjusting the load value of the load to reach the expected load value;
judging whether the actual parameters in the detection circuit accord with the experimental parameters or not;
and if the actual parameters in the detection circuit do not accord with the experimental parameters, continuously adjusting the load value of the load until the actual parameters in the detection circuit accord with the experimental parameters.
Further, the experimental detection of the electrical life of the ac contactor includes:
and when the test abnormal condition occurs, alarming.
Further, after the experimental detection of the electrical life of the ac contactor, the method further includes:
and storing experimental data for experimental detection of the electrical service life of the alternating current contactor.
In a second aspect of the present invention,
the application provides a detection device for electrical life of an alternating current contactor, the device includes:
the system comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring experimental parameters for carrying out experimental detection on the electrical service life of an alternating current contactor, and the experimental parameters are related to the rated voltage and the rated current of the alternating current contactor;
the adjusting unit is used for adjusting a load value of a load in the detection circuit according to the experiment parameters until actual parameters in the detection circuit accord with the experiment parameters, wherein the detection circuit is used for carrying out experiment detection on the electrical service life of the alternating current contactor;
and the detection unit is used for carrying out experimental detection on the electrical service life of the alternating current contactor.
Further, the adjusting unit includes:
the determining module is used for determining an expected load value of the load in the detection circuit according to the experiment parameters;
the first adjusting module is used for adjusting the load value of the load to enable the load value of the load to reach the expected load value;
the judging module is used for judging whether the actual parameters in the detection circuit accord with the experimental parameters or not;
and the second adjusting module is used for continuously adjusting the load value of the load if the actual parameters in the detection circuit do not accord with the experimental parameters until the actual parameters in the detection circuit accord with the experimental parameters.
Further, the detection unit includes:
and the alarm module is used for alarming when the test abnormal condition occurs.
Further, the apparatus further comprises:
and the storage unit is used for storing experimental data for carrying out experimental detection on the electrical service life of the alternating current contactor after carrying out experimental detection on the electrical service life of the alternating current contactor.
In a third aspect,
the present application provides a computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor executes the computer program to implement the method for detecting the electrical life of an ac contactor according to the first aspect.
In a fourth aspect of the present invention,
the present embodiment provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the method for detecting the electrical life of an ac contactor according to the first aspect is implemented.
This application adopts above technical scheme, possesses following beneficial effect at least:
the method comprises the steps of obtaining experiment parameters for carrying out experiment detection on the electrical service life of an alternating current contactor, wherein the experiment parameters are related to rated voltage and rated current of the alternating current contactor; adjusting a load value of a load in a detection circuit according to the experiment parameters until actual parameters in the detection circuit accord with the experiment parameters, wherein the detection circuit is used for carrying out experiment detection on the electrical service life of the alternating current contactor; the method for testing the electrical service life of the alternating current contactor is complex in operation compared with a method for testing the electrical service life of the alternating current contactor in the prior art, and can be used for automatically testing the electrical service life of the alternating current contactor, so that the testing efficiency of the electrical service life of the alternating current contactor is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart illustrating a method of detecting electrical life of an AC contactor in accordance with an exemplary embodiment;
FIG. 2 is a schematic diagram of an automatic AC contactor electrical life testing system according to an exemplary embodiment;
FIG. 3 is a schematic diagram illustrating an automatic test flow of electrical life of an AC contactor according to an exemplary embodiment;
fig. 4 is a schematic diagram illustrating an apparatus for detecting an electrical life of an ac contactor according to an exemplary embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail below. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a flow chart illustrating a method of detecting an electrical life of an ac contactor according to an exemplary embodiment, as shown in fig. 1, the method including the steps of:
step S101, obtaining experiment parameters for carrying out experiment detection on the electrical service life of the alternating current contactor, wherein the experiment parameters are related to the rated voltage and the rated current of the alternating current contactor.
In one embodiment, the ac converter is marked with values such as a rated voltage and a rated current, and experimental parameters for experimental detection of the electrical life of the ac contactor can be determined according to the rated voltage and the rated current, where the experimental parameters include: experimental voltage, experimental current, power factor. The experimental parameters are related to the rated voltage and the rated current of the alternating current contactor, and specifically comprise the following steps: the experimental voltage is rated voltage (the rated voltage of the alternating current contactor is fixed); the experimental current is rated current 6 times (the rated current is different according to the different sizes of the samples of the alternating current contactor); the power factor is 0.35 plus or minus 0.05.
And S102, adjusting a load value of a load in a detection circuit according to the experiment parameters until actual parameters in the detection circuit accord with the experiment parameters, wherein the detection circuit is used for carrying out experiment detection on the electric service life of the alternating current contactor.
In one embodiment, adjusting the load value of the load in the detection circuit according to the experimental parameter until the actual parameter in the detection circuit conforms to the experimental parameter comprises:
determining an expected load value of a load in the detection circuit according to the experiment parameters;
adjusting the load value of the load to reach the expected load value;
judging whether the actual parameters in the detection circuit accord with the experimental parameters or not;
and if the actual parameters in the detection circuit do not accord with the experimental parameters, continuously adjusting the load value of the load until the actual parameters in the detection circuit accord with the experimental parameters.
Specifically, after the experimental voltage, the experimental current, and the power factor are determined according to the rated voltage and the rated current of the ac contactor, an expected load value of the load may be determined according to the data, where the load value includes a resistance value and an inductance value. The load is then adjusted to achieve the desired resistance value and the desired inductance value. After the resistance value and the inductance value of the load are adjusted, whether the experimental voltage, the experimental current and the power factor which are actually measured in the adjusted detection circuit meet the experimental parameters determined according to the rated voltage and the rated current of the alternating current contactor in the step S101 is judged, and if the experimental parameters meet the experimental parameters, the alternating current contactor can be started for experimental detection; if not, the resistance value and the inductance value of the load in the detection circuit need to be continuously adjusted until whether the experimental voltage, the experimental current and the power factor obtained by actual measurement in the detection circuit meet the experimental parameters determined according to the rated voltage and the rated current of the alternating current contactor in the step S101.
And step S103, carrying out experimental detection on the electrical service life of the alternating current contactor.
In one embodiment, an expected load value is automatically calculated according to experimental parameters determined according to the rated voltage and the rated current of the ac contactor, the load in the detection circuit is automatically adjusted according to the expected load value, and if the experimental parameters actually measured in the detection circuit after adjustment meet the experimental parameters determined according to the rated voltage and the rated current of the ac contactor in step S101, the ac contactor may be turned on to perform experimental tests on the electrical life of the ac contactor.
In one embodiment, experimentally measuring the electrical life of the ac contactor includes: and when the test abnormal condition occurs, alarming. Wherein, the test exception condition may include but is not limited to: and detecting the component burnout in the circuit, and the like. The test abnormal condition in the test detection process is monitored, so that the accuracy of the detection result of the electrical service life of the alternating current contactor is improved.
In one embodiment, after experimentally detecting the electrical life of the ac contactor, the method further comprises: and storing experimental data for experimental detection of the electrical service life of the alternating current contactor. The experimental data may include, but is not limited to: experiment times, experiment voltage, experiment current, power factor and the like. Through recording and storing the experimental data, the traceability of the experimental data is favorably realized.
In summary, the present application obtains experimental parameters for experimental detection of the electrical life of an ac contactor, where the experimental parameters are related to the rated voltage and the rated current of the ac contactor; adjusting a load value of a load in a detection circuit according to the experiment parameters until actual parameters in the detection circuit accord with the experiment parameters, wherein the detection circuit is used for carrying out experiment detection on the electrical service life of the alternating current contactor; the method for testing the electrical service life of the alternating current contactor is complex in operation compared with a method for testing the electrical service life of the alternating current contactor in the prior art, and can be used for automatically testing the electrical service life of the alternating current contactor, so that the testing efficiency of the electrical service life of the alternating current contactor is improved.
The method for detecting the electrical life of the ac contactor in the embodiment of the present application may be implemented in an automatic testing system for the electrical life of the ac contactor shown in fig. 2, and as shown in fig. 2, the system may include:
and the sample mounting cabinet is used for mounting the alternating current contactor.
Resistance, inductance load cabinet, including all loads that need be used in the detection circuitry.
And the power supply is used for supplying power to the detection circuit.
And the controller is used for executing the method for detecting the electrical service life of the alternating current contactor in the embodiment of the application.
The process of using the automatic testing system for electrical life of ac contactor shown in fig. 2 to automatically test electrical life of ac contactor is shown in fig. 3, and may be specifically described as follows:
and installing the sample in the sample installation cabinet, namely installing the alternating current contactor. Sample information, namely rated voltage and rated current of the alternating current contactor can be input through touch screen logic configuration programming and man-machine interaction. Then calculating the experimental resistance and inductance according to the sample information; and obtaining the experimental current and the power factor. The PLC drives the load to adjust the resistance and the inductance. Checking whether the experiment current accords with the experiment condition after adjustment; and if the test conditions are met, starting the test, monitoring the test process, and monitoring the test times and the on-off condition of the sample. And alarming and prompting when abnormal test conditions occur in the test process. After the experiment is finished, the experiment alarm is finished, and the machine is automatically stopped. And during touch screen program design, the system configuration data sampling function records data in the experimental process, and a historical data display plug-in is added to the interface for displaying and searching.
The embodiment of the application can solve the following technical problems:
1. according to the scheme, through logical configuration programming and human-computer interaction of the touch screen, after a sample is installed, experimental conditions are input, resistance and inductance load values are automatically calculated, the resistance and the inductance of a load are automatically matched, then normal testing is started, the experimental times and the on-off condition of the sample are monitored, and the problem that new staff cannot operate equipment is solved; the problems of complex equipment operation and difficult operation are solved.
2. According to the scheme, the data of each experiment is recorded by the system configuration data sampling function during touch screen programming, and the historical data display plug-in is added to the interface for displaying and searching, so that the problems that the experiment historical record cannot be generated and the data has no traceability are solved.
The embodiment of the application can realize the following technical effects:
1. the system automatically calculates the resistance value and the inductance value of the load and monitors the load to replace manual operation, so that automatic testing is realized, and the frequency of manually adjusting parameters is reduced.
2. And the test data generates a historical record, so that the traceability of the quality data is realized.
The present embodiment further provides a device for detecting an electrical lifetime of an ac contactor, where the device is used to implement the foregoing embodiments and preferred embodiments, and the description of the device is omitted here. As used hereinafter, the terms "module," "unit," "subunit," and the like may implement a combination of software and/or hardware for a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
Fig. 4 is a schematic diagram illustrating an apparatus for detecting an electrical life of an ac contactor according to an exemplary embodiment, as shown in fig. 4, the apparatus including:
an obtaining unit 41, configured to obtain an experiment parameter for performing an experiment detection on an electrical life of an ac contactor, where the experiment parameter is related to a rated voltage and a rated current of the ac contactor;
the adjusting unit 42 is configured to adjust a load value of a load in a detection circuit according to the experimental parameter until an actual parameter in the detection circuit meets the experimental parameter, where the detection circuit is configured to perform experimental detection on an electrical life of the ac contactor;
and the detection unit 43 is used for carrying out experimental detection on the electrical service life of the alternating current contactor.
In one embodiment, the adjusting unit 42 includes:
the determining module is used for determining an expected load value of the load in the detection circuit according to the experiment parameters;
the first adjusting module is used for adjusting the load value of the load to enable the load value of the load to reach the expected load value;
the judging module is used for judging whether the actual parameters in the detection circuit accord with the experimental parameters or not;
and the second adjusting module is used for continuously adjusting the load value of the load if the actual parameters in the detection circuit do not accord with the experimental parameters until the actual parameters in the detection circuit accord with the experimental parameters.
In one embodiment, the detecting unit 43 includes: and the alarm module is used for alarming when the test abnormal condition occurs.
In one embodiment, the apparatus further comprises: and the storage unit is used for storing experimental data for carrying out experimental detection on the electrical service life of the alternating current contactor after carrying out experimental detection on the electrical service life of the alternating current contactor.
The above modules may be functional modules or program modules, and may be implemented by software or hardware. For a module implemented by hardware, the modules may be located in the same processor; or the modules can be respectively positioned in different processors in any combination.
The embodiment of the application also provides computer equipment, and the method for detecting the electrical service life of the alternating current contactor can be realized by the computer equipment. The computer device in the embodiment of the present application includes a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements the method for detecting the electrical life of the ac contactor in any one of the above embodiments when executing the computer program.
The embodiment of the application also provides a computer readable storage medium. The computer readable storage medium having stored thereon computer program instructions; the computer program instructions, when executed by the processor, implement any one of the methods for detecting electrical life of an ac contactor in the above embodiments.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present application, the meaning of "plurality" means at least two unless otherwise specified.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and further, as used herein, connected may include wirelessly connected; the term "and/or" is used to include any and all combinations of one or more of the associated listed items.
Any process or method descriptions in flow charts or otherwise described herein may be understood as: represents modules, segments or portions of code which include one or more executable instructions for implementing specific logical functions or steps of a process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. A method for detecting the electrical service life of an alternating current contactor is characterized by comprising the following steps:
acquiring experimental parameters for carrying out experimental detection on the electrical service life of the alternating current contactor, wherein the experimental parameters are related to the rated voltage and the rated current of the alternating current contactor;
adjusting a load value of a load in a detection circuit according to the experiment parameters until actual parameters in the detection circuit accord with the experiment parameters, wherein the detection circuit is used for carrying out experiment detection on the electrical service life of the alternating current contactor;
and carrying out experimental detection on the electrical service life of the alternating current contactor.
2. The method of claim 1, wherein adjusting a load value of a load in a detection circuit according to the experimental parameter until an actual parameter in the detection circuit meets the experimental parameter comprises:
determining an expected load value of a load in the detection circuit according to the experiment parameters;
adjusting the load value of the load to reach the expected load value;
judging whether the actual parameters in the detection circuit accord with the experimental parameters or not;
and if the actual parameters in the detection circuit do not accord with the experimental parameters, continuously adjusting the load value of the load until the actual parameters in the detection circuit accord with the experimental parameters.
3. The method of claim 1, wherein experimentally detecting the electrical life of the ac contactor comprises:
and when the test abnormal condition occurs, alarming.
4. The method of claim 1, wherein after experimentally testing the electrical life of the ac contactor, the method further comprises:
and storing experimental data for experimental detection of the electrical service life of the alternating current contactor.
5. An apparatus for detecting the electrical life of an ac contactor, comprising:
the system comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring experimental parameters for carrying out experimental detection on the electrical service life of an alternating current contactor, and the experimental parameters are related to the rated voltage and the rated current of the alternating current contactor;
the adjusting unit is used for adjusting a load value of a load in the detection circuit according to the experiment parameters until actual parameters in the detection circuit accord with the experiment parameters, wherein the detection circuit is used for carrying out experiment detection on the electrical service life of the alternating current contactor;
and the detection unit is used for carrying out experimental detection on the electrical service life of the alternating current contactor.
6. The apparatus of claim 5, wherein the adjusting unit comprises:
the determining module is used for determining an expected load value of the load in the detection circuit according to the experiment parameters;
the first adjusting module is used for adjusting the load value of the load to enable the load value of the load to reach the expected load value;
the judging module is used for judging whether the actual parameters in the detection circuit accord with the experimental parameters or not;
and the second adjusting module is used for continuously adjusting the load value of the load if the actual parameters in the detection circuit do not accord with the experimental parameters until the actual parameters in the detection circuit accord with the experimental parameters.
7. The apparatus of claim 5, wherein the detection unit comprises:
and the alarm module is used for alarming when the test abnormal condition occurs.
8. The apparatus of claim 5, further comprising:
and the storage unit is used for storing experimental data for carrying out experimental detection on the electrical service life of the alternating current contactor after carrying out experimental detection on the electrical service life of the alternating current contactor.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method according to any of claims 1 to 4 when executing the computer program.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1 to 4.
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| CN202011565210.7A CN112731133A (en) | 2020-12-25 | 2020-12-25 | Method and device for detecting electrical service life of alternating current contactor |
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| CN202011565210.7A CN112731133A (en) | 2020-12-25 | 2020-12-25 | Method and device for detecting electrical service life of alternating current contactor |
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| CN106772015A (en) * | 2016-12-30 | 2017-05-31 | 中车长春轨道客车股份有限公司 | A kind of low capacity contactor electric life test system and method |
| CN108363001A (en) * | 2018-01-29 | 2018-08-03 | 温州大学 | A kind of low-voltage circuit breaker short-circuit test system and its impedance self-adaptive bearing calibration |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106772014A (en) * | 2016-12-30 | 2017-05-31 | 中车长春轨道客车股份有限公司 | A kind of miniature circuit breaker electric life test system and method |
| CN106772015A (en) * | 2016-12-30 | 2017-05-31 | 中车长春轨道客车股份有限公司 | A kind of low capacity contactor electric life test system and method |
| CN106680708A (en) * | 2017-03-19 | 2017-05-17 | 山东省产品质量检验研究院 | Electrical life test monitoring protector for low-voltage alternating-current circuit breaker and application thereof |
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Application publication date: 20210430 |