CN109116263B - Multi-power supply product load test equipment and test method - Google Patents
Multi-power supply product load test equipment and test method Download PDFInfo
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Abstract
The invention relates to a multi-channel power supply product load test device and a test method, wherein the test device comprises an upper computer, a plurality of channels and components corresponding to each channel; the upper computer comprises upper computer software, and the components are in communication connection with the upper computer software through serial communication interfaces of corresponding channels; the device has the functions of multi-channel parallel control testing and independent control of electronic loads or resistance instruments and testing of all channels, and has the advantages that in a plurality of electronic loads or resistance instrument combinations, ID information of the electronic loads or resistance instruments is intelligently identified and randomly bound, and a user can check and confirm before online use, so that all channels of the device control serial communication interfaces to be bound with the electronic loads or resistance instruments. In the equipment channel retrieval, all components in the equipment are paired through the software of the upper computer, so that the flexibility is high; the data storage table has the advantages of novel format, simple and understandable form, high query efficiency and capability of being rapidly queried by a user.
Description
Technical Field
The invention relates to the technical field of power supply product load test, in particular to a multi-path power supply product load test device and a multi-path power supply product load test method.
Background
With the gradual introduction of companies in the aspect of high-capacity multi-section mobile power supply series products, part of products relate to the tests of diodes, capacitors and the like, and relate to the detection and evaluation of whether the diodes of the products are broken down, whether resistors and capacitors are in cold joint or not and the like. Some products involve greater power and the products cause greater losses. The current multi-section series multi-string multi-parallel power management product is tested in the current industry in a mode of 'manual simulation test', the efficiency is low, the operation in the testing process is complicated and free of any software support, the power parameters are required to be manually set by operators, the manual splicing point test is required to be carried out by the operators, meanwhile, no test data record exists after the product test, and the traceability of the product test is avoided. For more effectively and more reliably ensuring the stability and the simplicity of equipment testing and simplifying the later maintenance degree, the traceability of the equipment testing is enhanced, and the testing of the loads of the multi-channel power supply products is completed through the independently developed multi-channel parallel control testing load tester.
Disclosure of Invention
The invention provides a multi-channel power supply product load test device and a multi-channel power supply product load test method for overcoming the defects in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a multi-channel power supply product load test device comprises an upper computer, a plurality of channels and components corresponding to the channels; the upper computer comprises upper computer software, and the components are in communication connection with the upper computer software through serial communication interfaces of corresponding channels; the assembly includes an electronic load or resistance meter for power supply detection.
Further, as a preferred technical scheme, each channel in the equipment independently controls each component to test, and the equipment controls the tested test components in parallel through a plurality of channels; the number of the channels is at least 2.
A multi-power supply product load test method comprises multi-power supply product load test equipment, and the test method comprises the following steps:
s10, intelligently identifying each channel component in the equipment: the upper computer software is respectively communicated with the components corresponding to the channels through the serial communication interfaces of the channels, the ID information of the components in the current equipment is obtained, analyzed and identified, and simultaneously all the serial communication interface values in the current equipment are displayed through the upper computer;
s20, binding point detection of the equipment and the serial communication interface: debugging and verifying each serial communication interface and each component through all serial communication interface values and ID information of the components in the platform display equipment of the upper computer software, and binding the determined serial communication interfaces and the determined components; binding all serial communication interfaces and components in the equipment, then binding the serial communication interfaces and the components with equipment numbers, generating a corresponding serial communication interface component list report and storing the report in a data table appointed by a database;
s30, judging the working state of the equipment: the upper computer software automatically identifies the ID information of each component in the equipment, compares and judges the identified ID information of each component with the ID information of the corresponding component in the data table, and automatically records and registers the ID information of the component into the data table when the ID information of the component does not exist in the data table; when the ID information of the component exists in the data table, whether the ID information of each component in the equipment is consistent with the ID information of all components in the equipment recorded in the data table is checked, if not, a prompt dialog box pops up, and the equipment test is not allowed; if the test result is consistent with the preset test result, the normal operation allows the equipment to normally test;
s40, power supply product load test: each component of the equipment is connected with a power supply product to be tested through a corresponding channel, current is infused into each component, and normal parameter values of two sides of the component of each power supply product to be tested are read to determine whether the component of the test product is normal or not;
s50, multi-channel test data storage and query: storing the test data one by one according to a single channel by adopting the formats of a main table and a slave table, setting the stored public information in the main table, and simultaneously, performing unique identification on each new record inserted in the main table by using a unique identifier as a unique identification column of the main table to store all records for indexing product tests; the slave table takes the unique identifier as a unique marking column of the slave table, and takes the test items as subcolumns to store all test item result values of the power supply products to be tested corresponding to each channel.
Further, as a preferable embodiment, the upper computer software is initialized before executing step S30.
Further, as a preferred embodiment, step S30 further includes, when the ID information of each component in the device does not match the ID information of all components in the device recorded in the data table, making the user enter a device internal component change flow set in the background of the upper computer software through a pop-up prompt dialog box to determine a device internal component change scheme.
Further, as a preferred technical solution, in step S40, it may also be determined whether the components of the power product to be tested are normal according to the infused current value.
Further, as a preferred technical scheme, the method further comprises a step 60 of initializing the upper computer software after the upper computer software is started again, automatically downloading the serial communication interface values of all channels of the equipment and the ID information of the corresponding components from the server by the upper computer software according to the serial number of the current equipment, and then directly executing the step S40.
Further, as a preferred embodiment, in step S50, the identification column in the master table is associated with the identification column in the slave table.
Further, the component comprises a diode, a resistor and a capacitor, and the normal parameter values of the two sides of the component comprise the normal voltage drop values of the two sides of the diode and the normal resistance values of the two ends of the resistor and the capacitor.
Further, as a preferred embodiment, the ID information of the component includes a device type, a device factory number ID, and a device manufacturing date.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
1. the load testing equipment for the multi-channel parallel control test has the function that each channel independently controls and tests the electronic load or the resistance instrument, and has the functions of intelligently identifying the ID information of the electronic load or the resistance instrument in a plurality of electronic load or resistance instrument combinations, randomly binding the ID information, and enabling a user to check and confirm before online use so as to bind each channel control serial communication interface of the equipment with the electronic load or the resistance instrument.
2. In equipment passageway retrieval, when lacking the function that the hardware discernment passageway was bound, the accessible replaces the passageway discernment of hardware to the mode that each subassembly of equipment inside pairs with host computer software, more economizes the cost, need not the bottom and realizes, directly realizes through the host computer, and is more nimble, more high-efficient.
3. The data storage table has novel format and high flexibility, is suitable for data storage modes in the test field, has strong universality, and can be generally used for summarizing and collecting test records of various test equipment; meanwhile, the form of the data storage is simple and easy to understand, the query efficiency is high, and the data storage method has the advantage of being capable of being rapidly queried by a user.
Drawings
FIG. 1 is a block diagram of a test apparatus according to the present invention.
FIG. 2 is a flow chart of the steps of the testing method of the present invention.
FIG. 3 is a flow chart of the present invention for determining the operating status of the device.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand for those skilled in the art and will therefore make the scope of the invention more clearly defined.
Example 1
The invention discloses a multi-channel power supply product load testing device which comprises an upper computer, at least 2 channels and components corresponding to each channel; the upper computer comprises upper computer software, and each component is in communication connection with the upper computer software through a serial communication interface of a corresponding channel; the internal components of the device include an electronic load or resistance meter for power supply detection or both.
During testing, each channel in the equipment has the function of independently controlling each component to perform testing, and meanwhile, an upper computer of the equipment controls the tested testing components in parallel through a plurality of channels. The software of the upper computer and the serial communication interfaces of the channels are mutually independent, which is beneficial to mutual independence of communication and prevents communication interference and instability. Meanwhile, in the device, the electronic load or the resistance instrument can be replaced at will according to the test requirement, the flexibility is high, the simultaneous test of a multi-section series multi-string multi-parallel power supply product can be realized, and the test efficiency is improved.
The invention discloses a multi-path power supply product load testing method, which is realized by multi-path power supply product load testing equipment, and comprises the following steps:
s10, intelligently identifying each channel component in the equipment: and the upper computer software is respectively communicated with the components corresponding to the channels through the serial communication interfaces of the channels, acquires and analyzes and identifies the ID information of each component in the current equipment, and simultaneously displays all the serial communication interface values in the current equipment through the upper computer.
This step has mainly realized the function of each corresponding subassembly of passageway in test equipment intelligent recognition, specifically is: initializing upper computer software, traversing the serial communication interfaces of all channels in the equipment by the upper computer software, adopting a communication transmission protocol of a specified format of each component, sending and receiving signals through the serial communication interfaces of the corresponding channels, acquiring and analyzing and identifying ID information of each component in the current equipment, and simultaneously, sending an ID identification instruction signal of each component, and searching out the component corresponding to the current serial communication interface by a response mode returned by the received signal of each component. And the upper computer simultaneously displays all the serial communication interface values in the current equipment.
S20, binding point detection of the equipment and the serial communication interface: debugging and verifying each serial communication interface and each component through all serial communication interface values and ID information of the components in the platform display equipment of the upper computer software, and binding the determined serial communication interfaces and the determined components; binding all serial communication interfaces and components in the equipment, then binding the serial communication interfaces and the components with the equipment numbers, generating a corresponding serial communication interface component list report and storing the report in a data table appointed by a database.
The step mainly realizes the function of providing an auditing platform for the user to audit and confirm the binding point inspection, and specifically comprises the following steps: the platform of the upper computer software displays the ID information and all serial communication interface values of all components in the equipment, which are retrieved by the upper computer software, wherein the serial communication interface values are randomly disordered in the displayed information, at the moment, an operation auditor is required to carry out debugging and verification to determine how each serial communication interface in the equipment is matched with each component in the equipment, and then each serial communication interface value and each component are bound; after determining that serial communication interfaces and components of all channels in the equipment are well paired, binding the serial communication interfaces and the components with equipment numbers to generate a corresponding serial communication interface component list report and storing the report in a data table designated by a server database in a data table form.
S30, judging the working state of the equipment: initializing upper computer software, automatically identifying the ID information of each component in the equipment by the upper computer software, comparing and judging the identified ID information of each component with the ID information of the corresponding component in a data table, and automatically recording and registering the ID information of the component into the data table when the ID information of the component does not exist in the data table; when the ID information of the component exists in the data table, whether the ID information of each component in the equipment is consistent with the ID information of all components in the equipment recorded in the data table is checked, if so, the equipment is allowed to normally test in normal operation, and if not, a prompt dialog box is popped up, and the equipment is not allowed to test; and enabling a user to enter an equipment internal component change flow set by the upper computer software background through a pop-up prompt dialog box to determine an equipment internal component change scheme.
The method mainly realizes that the upper computer software automatically reads and inputs the ID information of each component, assembles, binds and stores the ID information and the equipment number into a data table appointed by a database, is used for being interconnected with a warehouse system, and is convenient for a background management and control point to check the functions of each component in the related equipment, and specifically comprises the following steps:
s301, initializing upper computer software;
s302, inputting an equipment number, automatically identifying the ID information of each component in the equipment by upper computer software, comparing and judging the identified ID information of each component with the ID information of the component in a data table of the equipment with the corresponding number in a server database, and determining whether the ID information of the component exists in the data table;
s303, when the ID information of the component exists in the data table, whether the ID information of each component in the equipment is consistent with the ID information of all components in the equipment recorded in the data table is checked; when the ID information of the component does not exist in the data table, the upper computer software automatically records and registers the ID information of the component into the data table, and then executes step S305;
s304, when the ID information of each component in the equipment is consistent with the ID information of all the components in the equipment recorded in the data table, downloading related serial communication interface values, searching and confirming the ID information of each component in the equipment and all the serial communication interface values, after confirming that the ID information is correct, normally operating and driving the equipment to normally test, if the ID information is not consistent, popping up a prompt dialog box, and not allowing the equipment to test;
s305, enabling a user to enter an equipment internal component changing flow set by an upper computer software background through a popup prompt dialog box to determine an equipment internal component changing scheme.
S306, the changed ID information and serial communication interface value of the internal component of the equipment are checked, confirmed and stored again.
By executing the steps, the integrity of the internal components of the equipment can be effectively controlled, an effective BOM list of the internal components of the equipment and the internal components of the information equipment are generated, background data management and control are facilitated, and the internal components of the equipment are quickly checked and positioned.
S40, power supply product load test: each component of the equipment is connected with a power supply product to be tested through a corresponding channel, current is infused into each component, and normal parameter values of two sides of the component of each power supply product to be tested are read to determine whether the component of the test product is normal or not; meanwhile, whether the components of the power product to be tested are normal or not can be determined according to the infused current value.
This step has mainly realized the detection function that charges, specifically is: detecting whether components of the power supply product are normal or not by infusing current to each component, and determining that the components of the power supply product are normal when the read normal parameter values of the two sides of the components of the power supply product to be detected are within an allowable specification range; when the read normal parameter values of the two sides of the components of each power product to be tested exceed the allowable specification range, determining that the components of the power product are damaged; meanwhile, whether the components of the power supply product to be tested are normal or not can be determined through the infused current value.
S50, multi-channel test data storage and query: storing the test data one by one according to a single channel by adopting the formats of a main table and a slave table, setting the stored public information in the main table, and simultaneously, performing unique identification on each new record inserted in the main table by taking a unique identifier as a unique identification column of the main table to store all records for indexing product tests; the slave table takes the unique identifier as a unique identification column of the slave table, and takes the test item as a sublist to store all test item result values of the power supply product to be tested corresponding to each channel. The identification column in the master table is correlated with the identification column in the slave table.
The method mainly realizes the functions of multi-channel test result storage and background tracing, and specifically comprises the following steps: the test data is stored one by one according to a single channel by adopting the formats of a main table and a slave table, the stored public information is set in the main table, and simultaneously, the unique identifier is used as a unique identification column of the main table to uniquely identify and store each new record inserted in the main table so as to index all records of product test, so that the product test data can be quickly traced and inquired; the slave table takes the unique identifier as a unique identification column of the slave table, and takes the test item as a sublist to store all test item result values of the power supply product to be tested corresponding to each channel. The identification column in the master table is correlated with the identification column in the slave table, and the values in this identification column are equal.
The public information in the main table in this step includes related public information of the current channel, specifically including the name of the currently tested power supply product, the number of channels, the test start time, the test end time, the judgment result value of the current test result, the node value of the test, the corresponding serial number date of the power supply product, and other assembly information. The test items in the slave table comprise test item names, test parameter upper and lower limits, test parameter standard values, test result values, test judgment values and the like.
The design of the master-slave table is shown in the table 1 and the table 2, the flexibility is strong, the applicability is strong, the content format design of the slave table is universal for various test items, the form of a single storage table is well solved, and the data storage is carried out by solidifying the name of the test item as a column name. When the related test data needs to be inquired, the background personnel can correlate the product test data public test information of the current channel in the current main table and the related detailed information thereof by correlating the unique identifier identification column in the main table with the unique identifier identification column in the slave table.
Table 1: the master table format is as follows:
table 2: the slave table format is as follows:
and S60, initializing the upper computer software after the upper computer software is started again, automatically downloading the serial communication interface values of all channels of the equipment and the ID information of the corresponding components from the server by the upper computer software according to the serial number of the current equipment, and then directly executing the step S40.
In the step, all serial communication interface values and ID information of the components in the equipment are configured, and corresponding serial communication interface component list reports generated by the serial communication interface component list reports are stored in a data table appointed by a database, so that automatic searching and searching of upper computer software are not needed, the efficiency of the equipment when the upper computer software is initialized is improved, the accuracy of relevant information of the components corresponding to all channels of the equipment is ensured, and the error of upper computer software interface display caused by the error of pairing of the relevant components of all channels is avoided, so that the error of product testing judgment is caused, and defective products flow into clients.
This case of this step is a case where the binding information of the serial communication interface and the component inside the device is stored in the data table specified by the database according to the time of the day while the serial communication interface value and the ID information of the component inside the device are executed after step S30 is completed, and then the upper computer software directly executes step S60 when being turned on again after being turned off on the day, and steps S10 to S30 are skipped, thereby improving the initialization efficiency.
In the invention, the component comprises a diode, a resistor and a capacitor, and the normal parameter values of the two sides of the component comprise the normal voltage drop values of the two sides of the diode and the normal resistance values of the two ends of the resistor and the capacitor; the ID information of the component includes a device type, a device factory number ID, and a device manufacturing date, wherein the ID information has uniqueness.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. A multi-channel power supply product load test method comprises a multi-channel power supply product load test device, and is characterized in that the multi-channel power supply product load test device comprises: the device comprises an upper computer, a plurality of channels and components corresponding to the channels; the upper computer comprises upper computer software, and the components are in communication connection with the upper computer software through serial communication interfaces of corresponding channels; the assembly comprises an electronic load or a resistance meter for power supply detection;
the test method comprises the following steps:
s10, intelligently identifying each channel component in the equipment: the upper computer software is respectively communicated with the components corresponding to the channels through the serial communication interfaces of the channels, the ID information of the components in the current equipment is obtained, analyzed and identified, and simultaneously all the serial communication interface values in the current equipment are displayed through the upper computer;
s20, binding point detection of the equipment and the serial communication interface: debugging and verifying each serial communication interface and each component through all serial communication interface values and ID information of the components in the platform display equipment of the upper computer software, and binding the determined serial communication interfaces and the determined components; binding all serial communication interfaces and components in the equipment, then binding the serial communication interfaces and the components with equipment numbers, generating a corresponding serial communication interface component list report and storing the report in a data table appointed by a database;
s30, judging the working state of the equipment: the upper computer software automatically identifies the ID information of each component in the equipment, compares and judges the identified ID information of each component with the ID information of the corresponding component in the data table, and automatically records and registers the ID information of the component into the data table when the ID information of the component does not exist in the data table; when the ID information of the component exists in the data table, whether the ID information of each component in the equipment is consistent with the ID information of all components in the equipment recorded in the data table is checked, if not, a prompt dialog box pops up, and the equipment test is not allowed; if the test result is consistent with the preset test result, the normal operation allows the equipment to normally test;
s40, power supply product load test: each component of the equipment is connected with a power supply product to be tested through a corresponding channel, current is infused into each component, and normal parameter values of two sides of the component of each power supply product to be tested are read to determine whether the component of the test product is normal or not;
s50, multi-channel test data storage and query: storing the test data one by one according to a single channel by adopting the formats of a main table and a slave table, setting the stored public information in the main table, and simultaneously, performing unique identification on each new record inserted in the main table by using a unique identifier as a unique identification column of the main table to store all records for indexing product tests; the slave table takes the unique identifier as a unique marking column of the slave table, and takes the test items as subcolumns to store all test item result values of the power supply products to be tested corresponding to each channel.
2. The multi-channel power supply product load testing method according to claim 1, wherein each channel in the device independently controls each component to test, and upper computer software of the device controls tested test components in parallel through a plurality of channels; the number of the channels is at least 2.
3. The multi-channel power supply product load testing method according to claim 1, wherein the upper computer software is initialized before executing step S30.
4. The multi-channel power supply product load testing method according to claim 1, wherein step S30 further includes, when the ID information of each component inside the device is inconsistent with the ID information of all components inside the device recorded in the data table, making the user enter a device internal component change flow set in the background of the upper computer software through a pop-up prompt dialog box to determine the device internal component change scheme.
5. The method for testing loads of multiple power products according to claim 1, wherein in step S40, it is further determined whether the components of the power product to be tested are normal according to the infused current value.
6. The multi-channel power supply product load testing method according to claim 1, further comprising step S60. after the upper computer software is turned on again, initializing the upper computer software, automatically downloading the serial communication interface values of each channel of the device and the ID information of the corresponding component from the server by the upper computer software according to the serial number of the current device, and then directly executing step S40.
7. The test method of claim 1, wherein the identification column in the master table is correlated with the identification column in the slave table in step S50.
8. The method for testing the loads of multiple power supply products according to claim 1, wherein the components comprise diodes, resistors and capacitors, and the normal parameter values of the two sides of the components comprise normal voltage drop values of the two sides of the diodes and normal resistance values of the two ends of the resistors and the capacitors.
9. The test method according to claim 1, wherein the ID information of the component includes a device type, a device factory number ID, and a device manufacturing date.
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