CN114234816A - New energy vehicle-mounted connector connection testing method and system and storage medium - Google Patents

New energy vehicle-mounted connector connection testing method and system and storage medium Download PDF

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Publication number
CN114234816A
CN114234816A CN202111508057.9A CN202111508057A CN114234816A CN 114234816 A CN114234816 A CN 114234816A CN 202111508057 A CN202111508057 A CN 202111508057A CN 114234816 A CN114234816 A CN 114234816A
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connector
tested
size data
testing
appearance
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CN114234816B (en
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陈芳利
李发红
孙伟
刘桂宝
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Shenzhen Alisheng Electronics Co ltd
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Shenzhen Alisheng Electronics Co ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10861—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels

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  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

The application relates to a new energy vehicle-mounted connector connection testing method, a system and a storage medium, belonging to the field of intermediate parts for connecting two parts, wherein the method comprises the steps of obtaining an appearance picture of a connector to be tested; obtaining detection size data of the connector to be tested based on the appearance picture; calling a model number table from a preset database; acquiring the connector model of the connector to be tested based on the model table and the detection size data; calling preset configuration test parameters corresponding to the connector model of the connector to be tested from the database; and testing the connector to be tested based on the configuration test parameters. The server can automatically select the connector model of the connector to be tested according to the appearance picture, automatically select and configure test parameters, and test the connector to be tested. The method and the device have the effects of improving the connection testing efficiency and guaranteeing the accuracy of the testing result.

Description

New energy vehicle-mounted connector connection testing method and system and storage medium
Technical Field
The invention relates to the field of intermediate components for connecting two components, in particular to a new energy vehicle-mounted connector connection testing method, a new energy vehicle-mounted connector connection testing system and a storage medium.
Background
A connector is a connecting member for conducting electrical current and generally includes a housing, an insulator, contacts, and an appendage. The housing, i.e. the outer cover of the connector, provides, in addition to mechanical protection, alignment when the plug is plugged into the socket; insulators, also commonly referred to as bases or mounting plates, are used to ensure insulating properties between contacts and a housing; the contact is the core component of the connector, comprising an anode contact, usually made of brass, of cylindrical, square cylindrical or flat type, and a cathode contact; the cathode contact piece is a multi-finger jack and can be attached to the anode contact piece when the contact pin is inserted by virtue of an elastic structure, so that current is conducted.
Under the big background of the intelligent era, intelligent equipment is visible everywhere, and the demand of electricity is promoted to a new height. For portable smart devices such as mobile phones and pads, charging is indispensable, and therefore a connector is one of important components of smart devices. For the new energy vehicle, a corresponding vehicle-mounted connector needs to be configured, so that people in the vehicle can charge the intelligent device at any time.
In the related art, after the connector is manufactured, a test device is used to test the performance of the connector, which mainly includes testing the input/output current change and the working temperature change of the connector. Specifically, a connector to be tested is installed in a test device, the temperature of the connector is detected, a temperature value is obtained, meanwhile, input current is applied to the connector to be tested, and the output current of the connector is tested. Through increase or reduce input current repeatedly, observe the change of output current and temperature value, can use on the new forms of energy car to the connector that reaches the requirement.
In view of the above-mentioned related art, the inventor believes that the parameters used in the test are different for different types of connectors, for example, different input currents are required for the test for a connector with an input current of 3-5A and a connector with an input current of 5-12A. Therefore, manual adjustment of workers is needed, and the testing efficiency is affected.
Disclosure of Invention
In order to improve the testing efficiency of the connector, the invention provides a new energy vehicle-mounted connector connection testing method, a new energy vehicle-mounted connector connection testing system and a storage medium.
In a first aspect, the following technical scheme is adopted in the connection testing method for the vehicle-mounted connector of the new energy vehicle provided by the application:
a connection testing method for vehicle-mounted connectors of new energy vehicles comprises the following steps:
acquiring an appearance picture of a connector to be tested;
obtaining detection size data of the connector to be tested based on the appearance picture;
calling a model number table from a preset database;
acquiring the connector model of the connector to be tested based on the model table and the detection size data;
calling preset configuration test parameters corresponding to the connector model of the connector to be tested from the database;
and testing the connector to be tested based on the configuration test parameters.
By adopting the technical scheme, firstly, the model of the connector is judged by detecting the appearance of the connector, and then the corresponding test parameters are used without manual adjustment of workers, so that the test efficiency is improved, the labor is saved, and the error rate caused by the fact that the model is judged by the workers is reduced; secondly, the model of the connector can be automatically identified, so that the connector does not need to be tested in a centralized manner according to the type of the connector, and the testing flexibility is improved; thirdly, because the appearance of the connector needs to be detected, the detection size data of the connector can be obtained, the detection size data of the connector can be detected conveniently, and therefore the efficiency is improved, and the degree of fullness of detection is detected conveniently.
Optionally, each connector to be tested corresponds to at least two appearance pictures at different angles; only one appearance picture with the same angle is corresponding to each connector to be tested;
the step of obtaining the detection size data of the connector to be tested based on the appearance picture comprises the following steps:
acquiring source information of the appearance picture;
calling a preset picture analysis rule from the database based on the source information;
obtaining the detection size data based on the picture analysis rule; the detection size data comprises shell length, shell width, shell height, jack length, jack width, jack height, connector length and connector width.
By adopting the technical scheme, the appearance pictures at different angles use different picture analysis rules, so that the accuracy of the detection size data obtained based on the appearance pictures is improved, the accuracy of the judgment result of the model of the connector to be tested is improved, and the test quality is ensured.
Optionally, after obtaining the detection size data based on the picture parsing rule, the method includes:
judging whether corresponding single data in the detected size data obtained by different appearance pictures are the same or not;
if so, judging that the detected size data is accurate, and executing the next step based on the detected size data;
if not, judging whether the detected size data of the same batch of connectors is accurate or not;
if so, calling the configuration test parameters corresponding to the connectors in the same batch as the connectors to be tested;
testing the connector to be tested based on the configuration test parameters;
if not, skipping the to-be-tested connector, and testing the next to-be-tested connector.
By adopting the technical scheme, each connector to be tested corresponds to at least two appearance pictures with different angles, so that errors may exist in the detection size data obtained from different appearance pictures, namely the same single data is different. At this time, in order not to affect the test of the subsequent connector to be tested, the configuration test parameters corresponding to the connectors in the same batch as the connector to be tested are adopted. On one hand, because the two connectors belong to the same batch, the configuration test parameters are representative, and the error rate of the test result is convenient to reduce; on the other hand, the orderly test of the connector is easy to guarantee, and the test efficiency is guaranteed.
Optionally, the model table includes a connector model, standard size data corresponding to the connector model, and standard appearance data corresponding to the connector model;
after the obtaining of the appearance picture of the connector to be tested, the method further comprises the following steps:
obtaining detection appearance data of the to-be-tested connector based on the appearance picture;
the step of obtaining the connector model of the connector to be tested comprises:
inquiring whether the standard size data identical to the detection size data exists in the model table;
if yes, judging whether the corresponding standard appearance data is the same as the detection appearance data;
and if the connector types are the same, acquiring the corresponding connector types.
By adopting the technical scheme, when the connector model of the connector to be tested is obtained, besides the detection size data, the detection appearance data is also added, and the accuracy of the obtained connector model is ensured.
Optionally, the step of determining whether the detected size data of the connectors in the same batch is accurate includes:
acquiring production information preset in an electronic tag on the connector to be tested;
judging whether tested connector information of a tested connector, of which the production information is the same as that of the connector to be tested and the detection appearance data is the same as that of the connector to be tested, is stored in the database;
if yes, judging whether the detection size data of the corresponding tested connector is accurate or not;
if the detected size data is accurate, the detected size data of the same batch of connectors is regarded as accurate;
otherwise, the detected dimensional data is deemed to be accurate without connectors of the same lot.
By adopting the technical scheme, the connectors with the same production information and the same detection appearance data are the same batch of connectors, so that the method is scientific and reasonable, and is beneficial to ensuring the accuracy of the test result of the connector to be tested.
Optionally, the step of testing the connector to be tested based on the configuration test parameters includes:
and changing the input current of the connector to be tested according to the input current change curve in the configuration test parameters.
By adopting the technical scheme, the connector to be tested is tested according to the input current change curve, the testing process is simple and quick, and the testing efficiency of the connector is convenient to improve.
Optionally, before changing the input current of the connector to be tested according to the input current variation curve in the configuration test parameters, the method further includes:
judging whether the tested connector information contains the tested connector which is the same as the connector to be tested in batch;
if yes, shortening the duration of each input current in the input current change curve according to a preset reduction ratio.
By adopting the technical scheme, if the tested connectors in the same batch are tested before the connector to be tested, the quality difference of the connectors in the same batch cannot be too large, so that the testing time is shortened, and the testing efficiency of the connectors is improved conveniently.
Optionally, after the input current of the connector to be tested is changed according to the input current variation curve in the configuration test parameters, the method further includes:
acquiring an output current value and a temperature value of the connector to be tested;
drawing an input-output current curve based on the output current value and the input current;
drawing a temperature time change curve based on the temperature value;
and storing and outputting the input and output current curve and the temperature-time change curve.
By adopting the technical scheme, the input and output current curve and the temperature and time change curve are convenient for a worker to check the test result, and the check is more convenient and the understanding is simpler due to the curve.
In a second aspect, the application provides a new energy vehicle connector connection test system adopts following technical scheme:
a new energy vehicle-mounted connector connection testing system comprises a plurality of electronic tags which are used for being pasted on a connector;
the radio frequency readers correspond to the processing equipment of the connector one by one and are used for inputting the corresponding processing equipment information of the processing equipment into the electronic tag when the connector passes through the processing equipment;
the testing equipment is used for testing the connector;
a plurality of camera modules which are arranged on the periphery of the test equipment and are used for shooting and outputting appearance pictures of the connector;
and the server is electrically connected with the test equipment and used for executing the test program.
By adopting the technical scheme, the testing efficiency of the connector is improved because the input current is not required to be manually adjusted by a worker to test the connector to be tested.
In a third aspect, the present application provides a storage medium, which adopts the following technical solutions:
a storage medium stores a computer program that can be loaded by a processor and that executes the above-described method.
By adopting the technical scheme, the related computer program is stored, so that the testing efficiency of the connector is improved conveniently.
In summary, the server can automatically obtain the connector model of the connector to be tested according to the appearance picture and the model table, automatically select and configure the test parameters based on the connector model, test the connector to be tested, do not need manual participation, and facilitate improvement of the test efficiency of the connector.
And secondly, each connector to be tested corresponds to at least two appearance pictures with different angles, so that more sufficient and accurate detection size data can be obtained conveniently, the accuracy of the connector model can be improved, and the accuracy of the test result can be improved conveniently.
Drawings
Fig. 1 is an overall flowchart of a connector connection testing method according to the present embodiment.
Fig. 2 is a flowchart of step S200 of a connector connection testing method according to the embodiment.
Fig. 3 is a flowchart of step S250 of a connector connection testing method according to the embodiment.
Detailed Description
The embodiment of the application discloses new energy vehicle-mounted connector connection test system, which comprises an electronic tag, a radio frequency reader-writer, test equipment, a camera module and a server. The electronic tag is an RFID electronic tag, the electronic tag and the radio frequency reader-writer are both provided with a plurality of electronic tags, the camera module is provided with a plurality of camera modules, and the testing equipment and the server are both provided with at least one camera module.
The electronic tag is used for being stuck on the connector and mainly used for storing relevant information of the corresponding connector, including production information and processing equipment information. Wherein the production information includes material information of the connector, and the processing device information indicates a name of a processing device through which the connector passes.
The plurality of radio frequency readers correspond to the processing equipment of the connector one by one, namely, one radio frequency reader is arranged on one side of each processing equipment. The radio frequency reader-writer is used for recording the processing equipment information of the corresponding processing equipment into the electronic tag when the connector passes through the processing equipment.
For convenience of understanding, for example, the raw material information of the connector includes a housing manufacturer, a housing material, a mounting plate model, a mounting plate manufacturer, a plug model, and a jack model; the processing of the connector requires A, B, C, D and E five pieces of processing equipment. When the connector passes through the processing equipment A, the radio frequency reader-writer on one side of the processing equipment A inputs the name of the processing equipment A into the electronic tag, and the rest of the processing equipment is analogized in turn. After the connector is processed, the corresponding electronic tag records production information and information of a plurality of processing devices.
The test equipment is used for testing the connector, and is mainly used for providing input current for the connector and measuring output current and temperature value of the connector. The plurality of camera modules are mounted on the outer peripheral side of the test equipment and used for shooting and outputting appearance pictures of the connectors, and it should be noted that the plurality of camera modules are mounted at different positions of the facility equipment in order to make appearance pictures generated by different camera modules different. The aim is to shoot the shell length, the shell width, the shell height, the jack length, the jack width, the jack height, the connector length and the connector width of the connector to be tested before testing.
The server stores a connector connection test program, is electrically connected with the test equipment, and is used for executing the connector connection test method when executing the connector connection test program.
Next, based on the connection test system for the vehicle-mounted connector of the new energy vehicle, a connection test method for the vehicle-mounted connector of the new energy vehicle disclosed in this embodiment is explained in detail.
The embodiment also discloses a new energy vehicle-mounted connector connection testing method, referring to fig. 1, including:
s100, obtaining an appearance picture of the connector to be tested.
Each connector to be tested corresponds to at least two appearance pictures with different angles, and only one appearance picture with the same angle corresponding to each connector to be tested is provided.
S200, obtaining detection size data and detection appearance data of the connector to be tested based on the appearance picture.
The detection size data comprises shell length, shell width, shell height, jack length, jack width, jack height, connector length and connector width. Specifically, referring to fig. 2, step S200 includes:
and S210, acquiring source information of the appearance picture.
When the server receives the appearance pictures, uploading information of the appearance pictures can be known, the uploading information comprises an uploading end IP address for uploading the appearance pictures to the server, and the source information of each appearance picture can be known through the uploading end IP address.
In addition, the server can also know the source information of each appearance picture through the transmission path of the appearance picture, namely, each camera module is in wired connection with the server, and the server can distinguish which communication data line the appearance picture is transmitted by.
S220, calling a preset picture analysis rule from the database based on the source information.
The picture analysis rule is how to analyze the appearance pictures to obtain the detection size data corresponding to each appearance picture. Specifically, the appearance picture can be analyzed by using a CNN image recognition technology or a neural network model.
And S230, obtaining detection size data based on the picture analysis rule.
After step S230, the method further includes:
and S240, judging whether the corresponding single data in the detected size data obtained from the pictures with different appearances are the same.
The single data refers to data such as shell width and shell length, and if two appearance pictures correspond to each connector to be tested, the number of the single data included in the detected size data obtained by the two appearance pictures may be different, and the type of the one-way data may also be different. However, at least one of the same items of data, for example, the two pieces of data of the detected size each include the length of the shell. The corresponding single item of data referred to in step S240 refers to the same type of data, such as the length of the shell, of the two pieces of detected size data.
If so, the detected size data is considered to be accurate, and the next step is executed based on the detected size data.
Executing the next step refers to executing step S300.
Otherwise, step S250 is executed to determine whether the detected dimension data of the connectors in the same batch is accurate.
If yes, S260, the to-be-tested connector is called as the configuration test parameter corresponding to the same batch of connectors.
And S270, testing the connector to be tested based on the configuration test parameters.
Otherwise, S280, skipping the connector to be tested, and testing the next connector to be tested.
Skipping the connector to be tested means detaching the connector to be tested from the test apparatus and performing the connector connection test method in this embodiment on the next connector to be tested.
Specifically, referring to fig. 3, step S250 includes:
and S251, acquiring production information in the electronic tag preset on the connector to be tested.
The production information includes raw material information and processing equipment information.
And S252, judging whether the database stores tested connector information of the tested connector, wherein the production information of the tested connector is the same as that of the connector to be tested, and the detection appearance data of the tested connector is the same as that of the connector to be tested.
If yes, S253, determining whether the detected dimension data of the corresponding tested connector is accurate.
It is understood that after the server tests each connector to be tested, relevant information such as production information, connector model, whether the detection size data is accurate or not is stored.
If the connector is accurate, the detected size data of the same batch of connectors is considered to be accurate.
Otherwise, it is deemed that the detected dimensional data for the connectors of the same lot is not accurate.
Referring to fig. 1, S300, a model table is called into a preset database.
The model table contains the model of the connector, standard size data corresponding to the model of the connector, and standard appearance data corresponding to the model of the connector.
S400, acquiring the connector model of the connector to be tested based on the model table and the detection size data.
Wherein, step S400 specifically includes:
s410, inquiring whether standard size data same as the detection size data exist in the type number table.
The same as the detected size data, each individual item of data in the index size data is the same as the corresponding individual item of data in the detected size data.
If yes, S420, judging whether the corresponding standard appearance data is the same as the detection appearance data; otherwise, S430, outputting alarm information or skipping over the connector to be tested, and testing the next connector to be tested.
And if the connector type is the same, acquiring the corresponding connector type.
S500, configuration test parameters which are preset in the database for playing the ball and correspond to the connector model of the connector to be tested are obtained.
S600, testing the connector to be tested based on the configuration test parameters.
Specifically, step S600 includes:
s610, judging whether the tested connector information contains the tested connector which is the same as the connector to be tested in batch.
If yes, step S620 is executed to shorten the duration of each input current in the input current variation curve according to the preset reduction ratio.
The current change curve is positioned in a two-dimensional coordinate system of time and input current, the abscissa is the time, and the ordinate is the magnitude of the input current.
Otherwise, executing step S630, changing the input current of the connector to be tested according to the input current variation curve in the configuration test parameters.
After steps S620 and S630, step S640 is further included, obtaining an output current value and a temperature value of the connector to be tested.
And S650, drawing an input-output current curve based on the output current value and the input current.
The input-output current curve is generated in an input-output coordinate system, wherein the abscissa is the input current and the ordinate is the output current.
And S660, drawing a temperature time change curve based on the temperature value.
The temperature-time curve is generated in a temperature-time coordinate system, wherein the abscissa is time and the ordinate is a temperature value.
And S670, storing and outputting the input and output current curve and the temperature and time change curve.
The implementation principle of the new energy vehicle-mounted connector connection testing method in the embodiment of the application is as follows: the method comprises the steps of obtaining an appearance picture by detecting the appearance of a connector to be tested, judging the model of the connector to be tested, automatically obtaining corresponding configuration test parameters based on the model of the connector to be tested, and testing the connector to be tested. The test automation and the intellectualization are realized, and the test efficiency of the connector is convenient to improve.
The embodiment of the application also discloses a storage medium which stores a computer program capable of being loaded by a processor and executing the method.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A connection testing method for vehicle-mounted connectors of new energy vehicles is characterized by comprising the following steps:
acquiring an appearance picture of a connector to be tested;
obtaining detection size data of the connector to be tested based on the appearance picture;
calling a model number table from a preset database;
acquiring the connector model of the connector to be tested based on the model table and the detection size data;
calling preset configuration test parameters corresponding to the connector model of the connector to be tested from the database;
and testing the connector to be tested based on the configuration test parameters.
2. The connection testing method of the vehicle-mounted connector of the new energy vehicle as claimed in claim 1, wherein each connector to be tested corresponds to at least two appearance pictures with different angles; only one appearance picture with the same angle is corresponding to each connector to be tested;
the step of obtaining the detection size data of the connector to be tested based on the appearance picture comprises the following steps:
acquiring source information of the appearance picture;
calling a preset picture analysis rule from the database based on the source information;
obtaining the detection size data based on the picture analysis rule; the detection size data comprises shell length, shell width, shell height, jack length, jack width, jack height, connector length and connector width.
3. The method for testing connection of vehicle-mounted connector of new energy vehicle according to claim 2, wherein after obtaining the detection size data based on the picture parsing rule, the method comprises:
judging whether corresponding single data in the detected size data obtained by different appearance pictures are the same or not;
if so, judging that the detected size data is accurate, and executing the next step based on the detected size data;
if not, judging whether the detected size data of the same batch of connectors is accurate or not;
if so, calling the configuration test parameters corresponding to the connectors in the same batch as the connectors to be tested;
testing the connector to be tested based on the configuration test parameters;
if not, skipping the to-be-tested connector, and testing the next to-be-tested connector.
4. The connection testing method for the vehicle-mounted connector of the new energy vehicle as claimed in claim 3, wherein the model table comprises connector models, standard size data corresponding to the connector models and standard appearance data corresponding to the connector models;
after the obtaining of the appearance picture of the connector to be tested, the method further comprises the following steps:
obtaining detection appearance data of the to-be-tested connector based on the appearance picture;
the step of obtaining the connector model of the connector to be tested comprises:
inquiring whether the standard size data identical to the detection size data exists in the model table;
if yes, judging whether the corresponding standard appearance data is the same as the detection appearance data;
and if the connector types are the same, acquiring the corresponding connector types.
5. The method for testing connection of vehicle-mounted connectors of new energy vehicles according to claim 4, wherein the step of judging whether the detected size data of the same batch of connectors is accurate comprises the steps of:
acquiring production information preset in an electronic tag on the connector to be tested;
judging whether tested connector information of a tested connector, of which the production information is the same as that of the connector to be tested and the detection appearance data is the same as that of the connector to be tested, is stored in the database;
if yes, judging whether the detection size data of the corresponding tested connector is accurate or not;
if the detected size data is accurate, the detected size data of the same batch of connectors is regarded as accurate;
otherwise, the detected dimensional data is deemed to be accurate without connectors of the same lot.
6. The method for testing connection of vehicle-mounted connectors of new energy vehicles according to claim 1, wherein the step of testing the connectors to be tested based on the configuration test parameters comprises:
and changing the input current of the connector to be tested according to the input current change curve in the configuration test parameters.
7. The method for testing connection of vehicle-mounted connectors of new energy vehicles according to claim 6, wherein before changing the input current of the connector to be tested according to the input current variation curve in the configuration test parameters, the method further comprises:
judging whether the tested connector information contains the tested connector which is the same as the connector to be tested in batch;
if yes, shortening the duration of each input current in the input current change curve according to a preset reduction ratio.
8. The new energy vehicle-mounted connector connection testing method according to claim 6 or 7, further comprising, after changing the input current of the connector to be tested according to the input current variation curve in the configuration testing parameters:
acquiring an output current value and a temperature value of the connector to be tested;
drawing an input-output current curve based on the output current value and the input current;
drawing a temperature time change curve based on the temperature value;
and storing and outputting the input and output current curve and the temperature-time change curve.
9. The utility model provides a new forms of energy car vehicle-mounted connector connection test system which characterized in that: comprises a plurality of electronic tags which are used for being pasted on the connector;
the radio frequency readers correspond to the processing equipment of the connector one by one and are used for inputting the corresponding processing equipment information of the processing equipment into the electronic tag when the connector passes through the processing equipment;
the testing equipment is used for testing the connector;
a plurality of camera modules which are arranged on the periphery of the test equipment and are used for shooting and outputting appearance pictures of the connector;
and a server storing a test program corresponding to the test method of any one of claims 1 to 8, electrically connected to the test equipment, for executing the test program.
10. A storage medium, characterized by: a computer program which can be loaded by a processor and which performs the method according to any of claims 1-8.
CN202111508057.9A 2021-12-10 2021-12-10 New energy vehicle-mounted connector connection test method, system and storage medium Active CN114234816B (en)

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CN104076218A (en) * 2014-07-03 2014-10-01 国家电网公司 Temperature rise test instrument and test method for large current charging connector
CN105300280A (en) * 2015-09-30 2016-02-03 广州超音速自动化科技股份有限公司 Connector dimension vision measurement method
CN206440626U (en) * 2016-12-22 2017-08-25 上海庆良电子有限公司 A kind of automotive connector automatic checkout system
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