CN116008704A - Safety regulation testing equipment and method for EMI power filter - Google Patents
Safety regulation testing equipment and method for EMI power filter Download PDFInfo
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- CN116008704A CN116008704A CN202310003055.7A CN202310003055A CN116008704A CN 116008704 A CN116008704 A CN 116008704A CN 202310003055 A CN202310003055 A CN 202310003055A CN 116008704 A CN116008704 A CN 116008704A
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Abstract
The application relates to the technical field of safety inspection, and discloses safety inspection equipment and a method of an EMI power filter, wherein the safety inspection equipment of the EMI power filter comprises: the power supply interface is electrically connected with the power supply device; the power supply modulation module is electrically connected with the power supply interface; the power supply test interface is electrically connected with the power supply modulation module and is electrically connected with the input interface of the power supply filter to be tested; the tested interface is electrically connected with the output interface of the power filter to be tested; the electrical parameter analysis module is electrically connected to the tested interface; the discharging interface is electrically connected with the electrical parameter analysis module and is used for being electrically connected with the electric equipment; the control module is used for controlling the working states of the power supply modulation module and the electric parameter analysis module; the power filter testing method has the effect of improving testing efficiency of the power filter.
Description
Technical Field
The application relates to the technical field of safety inspection, in particular to safety inspection equipment and method for an EMI power supply filter.
Background
Many electric equipment is sensitive to power supply, the fluctuation of power supply parameters can cause the abnormal working state of the electric equipment, and even the damage of the electric equipment can be caused when the electric equipment is serious; however, the stability of the power supply parameters is difficult to be ensured by the power supply provided by the common power supply device, on the other hand, the components inside the target electric equipment or other electric equipment nearby the target electric equipment can also cause electromagnetic interference to the power supply of the target electric equipment, and the adverse effect of the fluctuation of the power supply parameters on the electric equipment is reduced by a method of providing the electric equipment with a power supply filter at present.
Before the power filter leaves the factory, safety standard test is required to be carried out to judge whether the power filter meets the requirements of related safety standards, the power filter is usually tested by using special detection equipment, and staff is required to set parameters of a power supply and comparison parameters of the test according to the model and corresponding performance requirements of the power filter to be tested; the inventor believes that the existing power filter test equipment has the problem of low automation degree.
Disclosure of Invention
In order to improve the testing efficiency of the power filter, the application provides safety regulation testing equipment and method of the EMI power filter.
The first technical scheme adopted by the invention of the application is as follows:
a safety regulation test device for an EMI power filter, comprising:
the power supply interface is electrically connected with the power supply device and is used for receiving electric energy and supplying the received electric energy to the power supply modulation module;
the power supply modulation module is electrically connected with the power supply interface and used for modulating the input electric energy into a first test current and supplying the first test current to the power supply test interface;
the power supply test interface is electrically connected with the power supply modulation module and the input interface of the power supply filter to be tested and is used for supplying the received first test current to the power supply filter;
the tested interface is electrically connected with the output interface of the power filter to be tested and is used for receiving the second test current processed by the power filter and supplying the second test current to the electrical parameter analysis module;
the electrical parameter analysis module is electrically connected to the tested interface and is used for receiving the second test current and analyzing the power supply parameters of the second test current;
the discharging interface is electrically connected with the electrical parameter analysis module and is used for being electrically connected with the electrical equipment, and is used for receiving the second test current after the power supply parameter analysis and supplying the second test current to the electrical equipment;
and the control module is used for controlling the working states of the power supply modulation module and the electric parameter analysis module.
By adopting the technical scheme, the power supply interface is electrically connected to the power supply device and is used for taking electricity from the power supply device and supplying the received electric energy to the power supply modulation module, so that the power supply for the safety regulation test equipment of the EMI power supply filter is facilitated, and the test current of the power supply filter is provided; the power supply modulation module is used for modulating an input power supply into a first test current with stable power supply parameters so as to control the current for testing the power supply filter to be tested; the power supply test interface is electrically connected to the power supply modulation module, and is used for being electrically connected to an input interface of the power supply filter to be tested, and supplying a first test current to the power supply filter to be tested so as to test the performance parameters of the power supply filter to be tested subsequently; the tested interface is used for being electrically connected with an output interface of the power filter to be tested so as to receive a second test current generated after the first test current is processed by the power filter to be tested; the electrical parameter analysis module is electrically connected to the tested interface and used for analyzing the received second test current so as to evaluate the performance parameters of the power filter to be tested according to the parameter changes of the first test current and the second test current; the discharging interface is electrically connected with the electrical parameter analysis module and is used for connecting electrical equipment, so that the residual electrical energy after the test is conveniently recycled; the control module is used for controlling the working states of the power supply modulation module and the electric parameter analysis module, so that the testing efficiency of the power supply filter is improved.
In a preferred example, the present application: the discharge interface is electrically connected to the power modulation module.
Through adopting above-mentioned technical scheme, discharge interface electricity is connected in power modulation module, is convenient for supply the electric current that outputs after electric parameter analysis processing to power modulation module again in to retrieve the electric energy when not having the power consumption demand or not having the power storage equipment, reduce the electric energy loss when carrying out the safety rule test to the power filter that awaits measuring.
The second object of the present application is achieved by the following technical scheme:
a method of testing the compliance of an EMI power filter, comprising:
after receiving a connection ready signal of the test equipment, identifying model information of a power filter to be tested, and determining corresponding product parameters from parameter information of corresponding products based on the model information;
determining a power supply parameter of a first test current required for executing each test item based on the product parameter, and generating a first test parameter;
calculating corresponding test threshold data based on the product parameter and the first test parameter;
and acquiring a power supply parameter of the second test current, generating a second test parameter, comparing each item of numerical value in the second test parameter with test threshold data of a corresponding item, and generating test result information.
By adopting the technical scheme, when the connection ready signal of the testing equipment is received, the completion of circuit connection between the power filter to be tested and the testing equipment is indicated, safety test operation can be started, the model information of the power filter to be tested is identified, so that the parameter information of a corresponding power filter product is consulted according to the model information, and the product parameters of the currently tested power filter are determined; according to the product parameters, determining the power supply parameters of the test currents required for testing each test item of the power filter to be tested, so as to generate each item of data of the first test parameters, so that the first test currents are modulated according to the first test parameters, and the power filter to be tested is tested through the first test currents, so that the scientificity of determining the test currents of the power filter to be tested is improved; calculating the range of the power supply parameters of the output current when the power filter to be tested is qualified based on the product parameters and the first test parameters, and generating various data of test threshold data; the power supply parameters of the second test current are obtained, the second test parameters are generated, the processing effect of the power filter to be tested on the first test current and the parameters of the current output after the processing are conveniently obtained, and each item of numerical value in the second test parameters is compared with the test threshold data of the corresponding item to judge whether the processing effect of the power filter to be tested is qualified or not, so that test result information is generated, and the test efficiency of the power filter is improved.
In a preferred example, the present application: the step of receiving a connection ready signal of the test device includes:
when the test equipment is in an on state, a ready detection signal is sent to the power supply modulation module, so that the power supply modulation module supplies detection current to the power supply test interface;
when the electrical parameter analysis module receives the detected current, a connection ready signal is generated.
By adopting the technical scheme, when the testing equipment is powered on and is in the on state, the testing equipment can be used for detecting the power filter and sending a ready detection signal to the power modulation module, so that the power modulation module is controlled to supply detection current to the power supply testing interface; if the test equipment is not connected with the power filter to be tested, the power supply test interface and the tested interface are in an open circuit state, so that the test equipment is not in a ready-to-connect state; if the test equipment is connected with the power filter to be tested, the power supply test interface and the tested interface are in a communication state, and at the moment, the electrical parameter analysis module can receive the detection current, and then a connection ready signal is generated so as to determine that the test equipment is in a connection ready state.
In a preferred example, the present application: identifying model information of the power filter to be detected, and determining corresponding product parameters from parameter information of corresponding products based on the model information, wherein the step of determining the corresponding product parameters comprises the following steps:
obtaining a product image of a power filter to be tested, inputting the product image into a model matching model, and matching corresponding model information;
and inputting the model information into a product catalog, matching the technical files of the corresponding products, and determining the corresponding product parameters from the technical files.
By adopting the technical scheme, the product image of the power filter to be tested is acquired through the shooting equipment and is input into the model matching model, so that model information of a corresponding power filter product is matched through an image recognition algorithm, and the corresponding product parameters and parameters of test current required by safety rule test are conveniently determined according to the model information; the model information is input into the product catalog so as to be matched with the technical file of the corresponding product, so that the product parameters of the power filter to be tested can be obtained directly from the technical file, the obtaining efficiency of the product parameters of the power filter to be tested is improved, and the testing efficiency of the power filter is further improved.
In a preferred example, the present application: the test items include a voltage test, an inductance test and a capacitance test, and the step of determining a power supply parameter of a first test current required for executing each test item based on the product parameter and generating the first test parameter includes:
determining rated voltage range, maximum voltage, inductance and capacitance of the power filter to be tested based on the product parameters;
determining a power supply parameter of a first test current and generating the first test parameter according to the rated voltage range, the maximum voltage, the inductance and the capacitance of the power filter to be tested;
and sending the first test parameters to the power supply modulation module.
By adopting the technical scheme, the rated voltage range, the maximum voltage, the inductance and the capacitance of the power filter to be tested are conveniently determined based on the product parameters, so that the power supply parameters such as the voltage, the current and the like of the first test current required to be supplied for each test project are determined, and the first test parameters are generated; and the first test parameters are sent to the power supply modulation module, so that the power supply modulation module can be controlled to modulate the accessed electric energy into first test current, and the power supply filter to be tested can be tested.
In a preferred example, the present application: the step of obtaining the power supply parameter of the second test current, generating the second test parameter, comparing each item value in the second test parameter with the test threshold value data of the corresponding item, and generating the test result information comprises the following steps:
generating a second test parameter after the electric parameter analysis module detects the power supply parameter of the second test current;
comparing each item value in the second test parameters with the test threshold value data of the corresponding item, and determining a comparison result of each test item;
and when any comparison result is unqualified, the test result information is unqualified, and the test result information is generated based on the comparison result of each test item.
By adopting the technical scheme, the power supply parameter of the second test current is detected through the electric parameter analysis module, and the second test parameter is generated based on the detected data, wherein the second test parameter comprises data corresponding to a plurality of test items; comparing each item of numerical value in the second test parameter with the test threshold value data of the corresponding test item one by one, and generating a comparison result of each test item according to whether each item of numerical value is in a qualified range of the corresponding test threshold value data; if any comparison result is unqualified, the test result information is unqualified, and the test result information is generated according to the comparison result of each test item, so that the reasons of unqualified test results can be conveniently determined according to the test result information, and the production equipment, process, quality inspection requirements and the like of the power filter can be conveniently optimized.
In a preferred example, the present application: if any comparison result is failed, the test result information is failed, and after the step of generating the test result information based on the comparison result of each test item, the method further comprises the following steps:
storing unqualified test result information in a historical test database, wherein the test result information comprises production batch information corresponding to a power filter to be tested;
and carrying out partition storage on the test result information based on the production batch information, and carrying out statistics on unqualified test items of the test result information of each production batch so as to generate a production feedback report.
By adopting the technical scheme, the unqualified test result information is stored in the historical test database, and the test result information comprises the production batch information corresponding to the power filter to be tested, so that the qualification rate of the power filter products in each batch and the unqualified reasons can be analyzed conveniently; and storing the test result information in a partitioning manner according to different production batches, and counting unqualified test items of the test result information of products in each production batch, so that a production feedback report is generated, and a production line of the power filter is conveniently guided to adjust a production program to improve the production qualification rate.
The third object of the present application is achieved by the following technical scheme:
a computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the above-described security test method of an EMI power filter when the computer program is executed.
The fourth object of the present application is achieved by the following technical scheme:
a computer readable storage medium storing a computer program which when executed by a processor performs the steps of the above-described safety testing method of an EMI power filter.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the power supply interface is electrically connected with the power supply device and is used for taking power from the power supply device and supplying the received power to the power supply modulation module so as to conveniently supply power to the safety regulation test equipment of the EMI power supply filter and simultaneously provide test current of the power supply filter; the power supply modulation module is used for modulating an input power supply into a first test current with stable power supply parameters so as to control the current for testing the power supply filter to be tested; the power supply test interface is electrically connected to the power supply modulation module, and is used for being electrically connected to an input interface of the power supply filter to be tested, and supplying a first test current to the power supply filter to be tested so as to test the performance parameters of the power supply filter to be tested subsequently; the tested interface is used for being electrically connected with an output interface of the power filter to be tested so as to receive a second test current generated after the first test current is processed by the power filter to be tested; the electrical parameter analysis module is electrically connected to the tested interface and used for analyzing the received second test current so as to evaluate the performance parameters of the power filter to be tested according to the parameter changes of the first test current and the second test current; the discharging interface is electrically connected with the electrical parameter analysis module and is used for connecting electrical equipment, so that the residual electrical energy after the test is conveniently recycled; the control module is used for controlling the working states of the power supply modulation module and the electric parameter analysis module so as to execute the safety regulation test method of the EMI power supply filter, thereby improving the test efficiency of the power supply filter.
2. When a connection ready signal of the test equipment is received, the completion of circuit connection between the power filter to be tested and the test equipment is indicated, safety test operation can be started, model information of the power filter to be tested is identified, parameter information of a corresponding power filter product is referred according to the model information, and therefore product parameters of the currently tested power filter are determined; according to the product parameters, determining the power supply parameters of the test currents required for testing each test item of the power filter to be tested, so as to generate each item of data of the first test parameters, so that the first test currents are modulated according to the first test parameters, and the power filter to be tested is tested through the first test currents, so that the scientificity of determining the test currents of the power filter to be tested is improved; calculating the range of the power supply parameters of the output current when the power filter to be tested is qualified based on the product parameters and the first test parameters, and generating various data of test threshold data; the power supply parameters of the second test current are obtained, the second test parameters are generated, the processing effect of the power filter to be tested on the first test current and the parameters of the current output after the processing are conveniently obtained, and each item of numerical value in the second test parameters is compared with the test threshold data of the corresponding item to judge whether the processing effect of the power filter to be tested is qualified or not, so that test result information is generated, and the test efficiency of the power filter is improved.
3. When the testing equipment is powered on and is in an on state, the testing equipment can be used for detecting a power filter, sending a ready detection signal to the power modulation module, and conveniently controlling the power modulation module to supply detection current to the power supply testing interface; if the test equipment is not connected with the power filter to be tested, the power supply test interface and the tested interface are in an open circuit state, so that the test equipment is not in a ready-to-connect state; if the test equipment is connected with the power filter to be tested, the power supply test interface and the tested interface are in a communication state, and at the moment, the electrical parameter analysis module can receive the detection current, and then a connection ready signal is generated so as to determine that the test equipment is in a connection ready state.
Drawings
Fig. 1 is a schematic diagram of a safety test apparatus for an EMI power filter in accordance with an embodiment of the present application.
Fig. 2 is a flowchart of a safety regulation test method of an EMI power filter in a second embodiment of the application.
Fig. 3 is a flowchart of step S10 in the security test method of the EMI power filter of the present application.
Fig. 4 is a flowchart of step S20 in the safety inspection method of the EMI power filter of the present application.
Fig. 5 is a flowchart of step S40 in the safety inspection method of the EMI power filter of the present application.
Fig. 6 is another flow chart of a security test method of the EMI power filter of the present application.
Fig. 7 is a schematic view of an apparatus in a third embodiment of the present application.
Detailed Description
The present application is described in further detail below in conjunction with figures 1 to 7.
The application discloses safety regulation test equipment and method of an EMI power supply filter.
Example 1
As shown in fig. 1, a safety regulation test device for an EMI power filter is used for performing safety regulation test of the EMI power filter, and includes a power supply interface, a power supply modulation module, a power supply test interface, a tested test interface, an electrical parameter analysis module, a discharge interface and a control module.
The power supply interface is electrically connected to a power supply device, such as a socket, and the like, and is electrically connected to the power supply modulation module, and the power supply interface is used for receiving electric energy and supplying the received electric energy to the power supply modulation module.
The power modulation module is electrically connected to the power supply interface and the power supply test interface, and is configured to modulate the electrical energy input from the power supply interface into a first test current and supply the first test current to the power supply test interface.
The power supply test interface is electrically connected to the power supply modulation module, and can be electrically connected to the input interface of the power supply filter to be tested when the power supply filter to be tested is required to be tested, and the power supply test interface is used for supplying the received first test current to the power supply filter so as to realize the safety test of the power supply filter to be tested.
The tested interface can be electrically connected to the output interface of the power filter to be tested when the power filter to be tested is required to be tested, and the tested interface is electrically connected to the electrical parameter analysis module and is used for receiving a second test current processed by the power filter to be tested and supplying the second test current to the electrical parameter analysis module.
The electrical parameter analysis module is electrically connected to the tested interface and is used for receiving the second test current and analyzing the power supply parameter of the second test current, so as to judge whether the power supply filter to be tested passes the safety standard test and meet the corresponding safety standard requirement.
The discharging interface is electrically connected with the electric parameter analysis module, and can be electrically connected with electric equipment, and is used for receiving the residual electric energy after the power supply parameter analysis and supplying the electric energy to the electric equipment so as to recycle the electric energy; the discharging interface is also electrically connected with the power supply modulation module and can be used for re-supplying the current output after the electrical parameter analysis and processing to the power supply modulation module so as to recover electric energy when no electricity is required or no electricity storage equipment is provided, and reduce the electric energy loss when the safety test is performed on the power supply filter to be tested.
The control module is used for controlling the working states of the power supply modulation module and the electric parameter analysis module.
Example two
On the basis of the first embodiment, the application also discloses a safety regulation testing method of the EMI power filter, which can be used for compiling a control program of safety regulation testing equipment of the EMI power filter.
As shown in fig. 2, the safety test method of the EMI power filter specifically includes the following steps:
s10: and after receiving the connection ready signal of the test equipment, identifying the model information of the power filter to be tested, and determining corresponding product parameters from the parameter information of the corresponding product based on the model information.
In this embodiment, the test device refers to a safety test device for an EMI power filter; the connection ready signal is a prompt signal generated after the test equipment is electrically connected with the power filter to be tested; the test equipment is also electrically connected with a camera equipment and is used for shooting a power filter to be tested connected to the test equipment.
Specifically, the signal of the test equipment is received in real time, and after the connection ready signal is received, the power filter to be tested is considered to be successfully connected to the test equipment, and the safety test work of the power filter to be tested is ready to be started.
Specifically, an image of the power filter to be detected is shot through the image shooting equipment, model information of the power filter is identified through an image identification algorithm, and then parameter information of a corresponding product is inquired through the model information, so that product parameters of the power filter to be detected are obtained.
Referring to fig. 3, in step S10, the method includes:
s11: when the test equipment is in an on state, a ready detection signal is sent to the power supply modulation module, so that the power supply modulation module supplies detection current to the power supply test interface.
In this embodiment, the on state refers to a power connection and is in an on state; the ready detection signal refers to a signal for controlling the test device to start detecting whether the power filter to be tested is connected.
Specifically, when the test device is in an on state, a ready detection signal is sent to the power supply modulation module, so that the power supply modulation module modulates out a detection current and supplies the detection current to the power supply test interface, whether the power supply filter to be tested is connected with the power supply test interface and the tested test interface or not is detected later, and if the power supply filter to be tested is connected with the power supply test interface and the tested test interface at the same time, the tested test interface can receive the detection current.
S12: when the electrical parameter analysis module receives the detected current, a connection ready signal is generated.
Specifically, if the test equipment is not connected with the power filter to be tested, the power supply test interface and the tested interface are in an open circuit state, the electric parameter analysis module cannot receive the detection current, and the test equipment is not in a ready-to-connect state; if the test equipment is connected with the power filter to be tested, the power supply test interface and the tested interface are in a communication state, the electrical parameter analysis module can receive the detection current, and a connection ready signal is generated so as to determine that the test equipment is in a connection ready state.
In this embodiment, the detected current may be an electrical signal with a specific waveform, so that the electrical parameter analysis module is convenient to identify the detected current, and the possibility of interference by other types of electrical signals is reduced.
Wherein, in step S10, further comprising:
s13: and acquiring a product image of the power filter to be detected, inputting the product image into a model matching model, and matching corresponding model information.
In this embodiment, the model matching model refers to a model for matching a product model according to a product image, an image matching algorithm and a product image library are built in the signal matching model, the product image library is used for storing images of various power filter products, and the images in the product image library are used for training and checking the image matching algorithm.
Specifically, a product image of the power filter to be tested is obtained through shooting equipment, the product image is input into a model matching model, model information of the power filter to be tested is matched from a product image library through an image matching algorithm, and corresponding product parameters are conveniently determined according to the power filter to be tested.
S14: and inputting the model information into a product catalog, matching the technical files of the corresponding products, and determining the corresponding product parameters from the technical files.
In the present embodiment, the product catalog refers to a file for recording product parameters and technical files of each model of the power filter product.
Specifically, the model information is input into the product catalog so as to be matched with the technical file of the power filter product with the corresponding model, so that the product parameters of the power filter to be tested can be obtained directly from the technical file through the text regular matching algorithm, the obtaining efficiency of the product parameters of the power filter to be tested is improved, and the testing efficiency of the power filter is further improved.
S20: and determining a power supply parameter of a first test current required for executing each test item based on the product parameters, and generating the first test parameters.
In this embodiment, the test items include a voltage test, an inductance test, and a capacitance test; the first test parameter refers to a supply parameter of the first test current.
Specifically, the power supply parameters of the first test current required for executing each test item are determined according to the product parameters, the first test parameters are determined, the power supply parameters of the current processed by the power filter to be tested are conveniently compared with the known first test parameters, so that the safety regulation test result of the power filter to be tested is obtained, and the scientificity of the safety regulation test process is conveniently increased.
Specific steps referring to fig. 4, in step S20, the method includes:
s21: and determining the rated voltage range, the maximum voltage, the inductance and the capacitance of the power filter to be tested based on the product parameters.
Specifically, after the product parameters of the power filter to be tested are obtained, the rated voltage range, the maximum voltage, the inductance value and the capacitance value of the internal components of the power filter to be tested are determined according to the product parameters, so that the product parameters can be tested in a targeted manner.
S22: and determining the power supply parameter of the first test current and generating the first test parameter according to the rated voltage range, the maximum voltage, the inductance and the capacitance of the power filter to be tested.
Specifically, according to product parameters such as rated voltage range, maximum voltage, inductance and capacitance of the power filter to be tested, a safety standard corresponding to the power filter of the model is determined, and then a power supply parameter of a first test current required for testing the safety standard of the power filter to be tested is determined, and the power supply parameter of the first test current is determined as the first test parameter.
S23: and sending the first test parameters to the power supply modulation module.
Specifically, the first test parameters are sent to the power supply modulation module, so that the power supply modulation module is controlled to modulate the accessed electric energy into first test current, and the power supply filter to be tested is tested.
S30: corresponding test threshold data is calculated based on the product parameter and the first test parameter.
In this embodiment, the test threshold data refers to a series of data of pass thresholds determined when the power filter to be tested is subjected to the safety test.
Specifically, based on the product parameter and the first test parameter, calculating the range of each power supply parameter of the output current when the power filter to be tested is qualified, and generating the numerical value or the numerical value interval of each threshold value of the test threshold value data.
S40: and acquiring a power supply parameter of the second test current, generating a second test parameter, comparing each item of numerical value in the second test parameter with test threshold data of a corresponding item, and generating test result information.
Specifically, each power supply parameter of the second test current is detected through the electrical parameter analysis module, so that the second test parameter is generated, and the processing effect of the power filter to be tested on the first test current and the parameters of the current output after the processing are conveniently obtained according to the second test parameter; and comparing each item of numerical value in the second test parameters with the test threshold data of the corresponding item to judge whether the processing effect of the power filter to be tested is qualified or not, so that test result information is generated, and the test efficiency of the power filter is improved.
Referring to fig. 5, in step S40, the method includes:
s41: and after the electrical parameter analysis module detects the power supply parameter of the second test current, generating the second test parameter.
Specifically, each power supply parameter of the second test current is detected through the electrical parameter analysis module, and the second test parameter is generated based on each power supply parameter of the second test current.
S42: and comparing each item value in the second test parameters with the test threshold value data of the corresponding item, and determining a comparison result of each test item.
Specifically, each item of numerical value in the second test parameter is compared with the test threshold value data of the corresponding test item one by one, and a comparison result of each test item is generated according to whether each item of numerical value is in a qualified range of the corresponding test threshold value data.
S43: and when any comparison result is unqualified, the test result information is unqualified, and the test result information is generated based on the comparison result of each test item.
Specifically, if the comparison results of all the test items are qualified, the test result information is qualified, and if any one of the comparison results is unqualified, the test result information is unqualified; and generating test result information according to the comparison result of each test item, wherein the comparison result of each test item is recorded in the test result information, so that the reasons of disqualification of the test result can be conveniently determined according to the test result information, and the production equipment, process, quality inspection requirements and the like of the power filter can be optimized.
Referring to fig. 6, after step S43, the safety regulation testing method of the EMI power filter further includes:
s50: and storing unqualified test result information in a historical test database, wherein the test result information comprises production batch information corresponding to the power filter to be tested.
In this embodiment, the history test database refers to a database for storing test result information of a history safety rule test; the test result information records the production batch information corresponding to the power filter to be tested.
Specifically, if the test result information is unqualified, the test result information belonging to the unqualified is stored in a historical test database, so that the qualification rate of the power filter products of each batch and the reasons of the unqualified are conveniently analyzed later.
S60: and carrying out partition storage on the test result information based on the production batch information, and carrying out statistics on unqualified test items of the test result information of each production batch so as to generate a production feedback report.
In this embodiment, the production feedback report refers to a report generated after statistical analysis is performed according to the type of unqualified test items and the number of unqualified test items of each batch of power filter products, and is used for guiding the production equipment and process of the power filter products to be adjusted.
Specifically, each piece of test result information is stored in a partitioning mode according to different production batches, unqualified test items of the test result information of products in each production batch are counted, and accordingly a production feedback report is generated, and a production line of the power filter is conveniently guided to adjust a production program so as to improve the production qualification rate.
It should be understood that the sequence number of each step in the foregoing embodiment does not mean that the execution sequence of each process should be determined by the function and the internal logic of each process, and should not limit the implementation process of the embodiment of the present application in any way.
Example III
A computer device, which may be a server, may have an internal structure as shown in fig. 7. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, computer programs, and a database. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The database of the computer equipment is used for storing model information, parameter information, first test parameters, test threshold data, second test parameters, test result information and other data. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program when executed by a processor implements a method of testing the compliance of an EMI power filter.
In one embodiment, a computer device is provided comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
s10: after receiving a connection ready signal of the test equipment, identifying model information of a power filter to be tested, and determining corresponding product parameters from parameter information of corresponding products based on the model information;
s20: determining a power supply parameter of a first test current required for executing each test item based on the product parameter, and generating a first test parameter;
s30: calculating corresponding test threshold data based on the product parameter and the first test parameter;
s40: and acquiring a power supply parameter of the second test current, generating a second test parameter, comparing each item of numerical value in the second test parameter with test threshold data of a corresponding item, and generating test result information.
In one embodiment, a computer readable storage medium is provided having a computer program stored thereon, which when executed by a processor, performs the steps of:
s10: after receiving a connection ready signal of the test equipment, identifying model information of a power filter to be tested, and determining corresponding product parameters from parameter information of corresponding products based on the model information;
s20: determining a power supply parameter of a first test current required for executing each test item based on the product parameter, and generating a first test parameter;
s30: calculating corresponding test threshold data based on the product parameter and the first test parameter;
s40: and acquiring a power supply parameter of the second test current, generating a second test parameter, comparing each item of numerical value in the second test parameter with test threshold data of a corresponding item, and generating test result information.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the various embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link (Synchlink), DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional units and modules is illustrated, and in practical application, the above-described functional distribution may be performed by different functional units and modules according to needs, i.e. the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-described functions.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand; the technical scheme described in the foregoing embodiments can be modified or some of the features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.
Claims (10)
1. A safety regulation test device for an EMI power filter, comprising:
the power supply interface is electrically connected with the power supply device and is used for receiving electric energy and supplying the received electric energy to the power supply modulation module;
the power supply modulation module is electrically connected with the power supply interface and used for modulating the input electric energy into a first test current and supplying the first test current to the power supply test interface;
the power supply test interface is electrically connected with the power supply modulation module and the input interface of the power supply filter to be tested and is used for supplying the received first test current to the power supply filter;
the tested interface is electrically connected with the output interface of the power filter to be tested and is used for receiving the second test current processed by the power filter and supplying the second test current to the electrical parameter analysis module;
the electrical parameter analysis module is electrically connected to the tested interface and is used for receiving the second test current and analyzing the power supply parameters of the second test current;
the discharging interface is electrically connected with the electrical parameter analysis module and is used for being electrically connected with the electrical equipment, and is used for receiving the second test current after the power supply parameter analysis and supplying the second test current to the electrical equipment;
and the control module is used for controlling the working states of the power supply modulation module and the electric parameter analysis module.
2. A safety compliance testing device for EMI power filters as set forth in claim 1, wherein: the discharge interface is electrically connected to the power modulation module.
3. A method for testing the compliance of an EMI power filter, comprising:
after receiving a connection ready signal of the test equipment, identifying model information of a power filter to be tested, and determining corresponding product parameters from parameter information of corresponding products based on the model information;
determining a power supply parameter of a first test current required for executing each test item based on the product parameter, and generating a first test parameter;
calculating corresponding test threshold data based on the product parameter and the first test parameter;
and acquiring a power supply parameter of the second test current, generating a second test parameter, comparing each item of numerical value in the second test parameter with test threshold data of a corresponding item, and generating test result information.
4. A method of testing the compliance of an EMI power filter as set forth in claim 3, wherein: the step of receiving a connection ready signal of the test device includes:
when the test equipment is in an on state, a ready detection signal is sent to the power supply modulation module, so that the power supply modulation module supplies detection current to the power supply test interface;
when the electrical parameter analysis module receives the detected current, a connection ready signal is generated.
5. A method of testing the compliance of an EMI power filter as set forth in claim 3, wherein: identifying model information of the power filter to be detected, and determining corresponding product parameters from parameter information of corresponding products based on the model information, wherein the step of determining the corresponding product parameters comprises the following steps:
obtaining a product image of a power filter to be tested, inputting the product image into a model matching model, and matching corresponding model information;
and inputting the model information into a product catalog, matching the technical files of the corresponding products, and determining the corresponding product parameters from the technical files.
6. A method of testing the compliance of an EMI power filter as set forth in claim 3, wherein: the test items include a voltage test, an inductance test and a capacitance test, and the step of determining a power supply parameter of a first test current required for executing each test item based on the product parameter and generating the first test parameter includes:
determining rated voltage range, maximum voltage, inductance and capacitance of the power filter to be tested based on the product parameters;
determining a power supply parameter of a first test current and generating the first test parameter according to the rated voltage range, the maximum voltage, the inductance and the capacitance of the power filter to be tested;
and sending the first test parameters to the power supply modulation module.
7. A method of testing the compliance of an EMI power filter as set forth in claim 3, wherein: the step of obtaining the power supply parameter of the second test current, generating the second test parameter, comparing each item value in the second test parameter with the test threshold value data of the corresponding item, and generating the test result information comprises the following steps:
generating a second test parameter after the electric parameter analysis module detects the power supply parameter of the second test current;
comparing each item value in the second test parameters with the test threshold value data of the corresponding item, and determining a comparison result of each test item;
and when any comparison result is unqualified, the test result information is unqualified, and the test result information is generated based on the comparison result of each test item.
8. The method for testing the safety regulations of an EMI power filter of claim 7, wherein: if any comparison result is failed, the test result information is failed, and after the step of generating the test result information based on the comparison result of each test item, the method further comprises the following steps:
storing unqualified test result information in a historical test database, wherein the test result information comprises production batch information corresponding to a power filter to be tested;
and carrying out partition storage on the test result information based on the production batch information, and carrying out statistics on unqualified test items of the test result information of each production batch so as to generate a production feedback report.
9. A computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the method for testing the compliance of an EMI power filter as claimed in any one of claims 3 to 8 when the computer program is executed by the processor.
10. A computer readable storage medium storing a computer program, wherein the computer program when executed by a processor implements the steps of the safety regulation test method of an EMI power filter as claimed in any one of claims 3 to 8.
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