A multi-performance comprehensive testing method for a relay

Abstract

The application discloses a kind of relay multi-performance comprehensive test methods, belong to automobile relay detection technical field, specific method includes: step one: obtain the relay type needing detection, carry out relay detection station layout, obtain station layout diagram;Step two: according to station layout diagram configuration corresponding load power supply, establish relay detection station;Step three: according to the detection project that relay detection station has, compile joint detection scheme;Step four: set control module, complete the detection of relay on detection station by control module, obtain corresponding detection data;By carrying out reasonable relay detection station layout, make subsequent detection more rationalization, make full use of detection station resource, realize the rapid detection of multiple relays, improve detection efficiency, more close to the detection demand of large batch of factory detection;By setting combination detection horizontal graph, make multiple relay detection more compact, reduce air window period, improve detection efficiency.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of automobile relay detection, and specifically relates to a relay multi-performance comprehensive test method. BACKGROUND

[0002] With the development of technology, relays are widely used in related equipment in automobiles, such as automobile general-purpose relays, wiper relays, horn relays, starting relays and the like, and the state of the relay in automobile technology is directly related to the safety of the vehicle. In order to ensure the normal operation of the relay in the automobile, it is necessary to ensure the quality of the relay when it leaves the factory, and therefore, the detection of the relay is extremely important. Only when the detection of the relay is completed when it leaves the factory can the quality of the relay leaving the factory be ensured, and the normal use of related equipment in the automobile can be ensured from the source. If detection is performed after the relay is installed on the vehicle, the detection procedure is relatively complex, and the normal use of the automobile will also be affected, and therefore, it is necessary to control the detection of the relay when it leaves the factory. Based on the detection of the relay when it leaves the factory, the application provides a relay multi-performance comprehensive test method. SUMMARY

[0003] In order to solve the problems existing in the above scheme, the application provides a relay multi-performance comprehensive test method.

[0004] The object of the application can be achieved by the following technical scheme:

[0005] A relay multi-performance comprehensive test method, and the specific method comprises the following steps:

[0006] Step 1: Obtain the type of relay to be detected, perform relay detection station layout, and obtain a station layout diagram;

[0007] Step 2: Configure a corresponding load power supply according to the station layout diagram, and establish a relay detection station;

[0008] Step 3: Prepare a joint detection scheme according to the detection items possessed by the relay detection station;

[0009] Step 4: Set a control module, complete the detection of the relay on the detection station through the control module, and obtain corresponding detection data.

[0010] Further, the method for performing relay detection station layout comprises the following steps:

[0011] Mark the relay type to be detected as a target device, obtain the characteristic coordinates of the target device, and distribute the characteristic coordinates in a coordinate system; perform characteristic coordinate clustering based on a K-means clustering algorithm, mark the characteristic coordinates belonging to the same cluster as common coordinates, integrate the target devices corresponding to the common coordinates and mark them as detection categories, set corresponding category characteristics for each detection category, calculate the category value of the detection category, integrate the category characteristics and the category value into single category analysis data, establish a layout model, input all the single category analysis data into the layout model, and obtain a corresponding workstation layout diagram.

[0012] Further, the method for obtaining the characteristic coordinates of the target device comprises:

[0013] Obtain target device characteristic information, set a characteristic key item table, extract key data from the target device characteristic information according to the set characteristic key item table, obtain key item data, numerically value the key item data to obtain characteristic item values, and integrate the characteristic item values belonging to the same target device into characteristic coordinates.

[0014] Further, the method for calculating the category value of the detection category comprises:

[0015] Identify the common coordinates included in the detection category, calculate the coordinate representative value of the common coordinates, and mark it as ZBj, where j represents the common coordinate, j = 1, 2, …, m, and m is a positive integer; match the corresponding transpose coefficient according to the detection category, and mark it as α, and according to the category value formula Calculate the category value, where b2 is a proportionality coefficient, and the value range is 0 < b2 ≤ 1.

[0016] Further, the method for calculating the coordinate representative value of the common coordinate comprises:

[0017] Mark the element type of the common coordinate as i, where i = 1, 2, …, n, and n is a positive integer; identify the numerical value corresponding to the element type, mark it as Pi, identify the key item corresponding to the element type, set the corresponding weight coefficient according to the identified key item, and mark it as μi, and according to the coordinate value formula Calculate the coordinate representative value, b1 is a proportionality coefficient, and the value range is 0 < b1 ≤ 1, and λ is a correction factor, and the value range is 0 < λ ≤ 1.

[0018] Further, the method for preparing a joint detection scheme according to the detection items possessed by the relay detection table comprises:

[0019] The priority level of the detection item is set, the corresponding detection item combination is carried out according to the set priority level, and a selected detection combination is obtained; the detection method of each detection item is acquired, the selected detection combination is screened according to the acquired detection method and the work station layout diagram, a target detection combination is obtained, and the corresponding joint detection scheme is prepared according to the target detection combination.

[0020] Further, the control module is used for controlling the detection of the relay, and the specific method comprises:

[0021] The relay on the detection work station is identified and marked as a relay to be detected, the information of the relay to be detected is acquired, the combined detection cross track diagram is set according to the information of the relay to be detected and the joint detection scheme, the corresponding joint detection scheme is acquired, the detection of the relay is started according to the combined detection cross track diagram and the joint detection scheme, the detection data is obtained, the detection data is compared with the corresponding design data, and the detection result is obtained.

[0022] Further, the method for setting the combined detection cross track diagram according to the information of the relay to be detected and the joint detection scheme comprises:

[0023] The number of the relays to be detected is acquired, the joint detection scheme is combined and matched according to the acquired number of the relays to be detected, the combined implementation scheme is obtained, and each relay to be detected is labeled with a corresponding joint detection scheme number tag, and the combined detection cross track diagram is set according to the combined implementation scheme.

[0024] Compared with the prior art, the beneficial effects of the present application are:

[0025] By reasonably arranging the relay detection work station, the subsequent detection is more reasonable, the detection work station resources are fully utilized, the rapid detection of multiple relays is realized, the detection efficiency is improved, and the detection demand of large batch detection is more suitable; by setting the combined detection cross track diagram, the detection of multiple relays is more compact, the empty window period is reduced, and the detection efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0027] Fig. 1 The method flowchart of the present application is shown in the following figure:

[0028] Fig. 2 The example detection circuit diagram of the present application is shown in the following figure. DETAILED DESCRIPTION

[0029] The technical solutions of the present application will be described clearly and completely in combination with the embodiments below, obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0030] As shown in the figure, a relay multi-performance comprehensive test method, the specific method comprises: Figs. 1-2

[0031] Step one: obtain the relay type to be detected, perform relay detection station layout, and obtain a station layout diagram;

[0032] The present application is mainly used for various relays in the field of automobiles, such as automobile general-purpose relays, wiper relays, horn relays, starting relays, etc., and the relay type with corresponding detection function is selected according to the needs.

[0033] The method for performing relay detection station layout comprises:

[0034] The relay type to be detected is marked as a target device, target device characteristic information is obtained, a characteristic key item table is set, key data is extracted from the target device characteristic information according to the set characteristic key item table, key item data is obtained, the key item data is numerized to obtain characteristic item values, the characteristic item values belonging to the same target device are integrated into characteristic coordinates, and the characteristic coordinates are distributed in a coordinate system; the characteristic coordinates are clustered based on a K-means clustering algorithm, the characteristic coordinates belonging to the same cluster are marked as common coordinates, the target devices corresponding to the common coordinates are integrated and marked as detection categories, i.e., the target devices in the same detection category can be detected by using the same relay detection station; a corresponding category characteristic is set for each detection category, a category value of the detection category is calculated, the category characteristic and the category value are integrated into single category analysis data, a layout model is established, all single category analysis data are input into the layout model, and a corresponding station layout diagram is obtained.

[0035] The target device characteristic information is that the target device needs to be detected under what conditions, and the related information can be obtained through the Internet, and the setting can also be performed in an artificial manner.

[0036] The characteristic key item table is set by an expert group, including the key item name in the target device characteristic information that needs to be extracted, and is used for key data extraction.

[0037] ​According to the set characteristic key item table, the target equipment characteristic information is subjected to key data extraction, which can be extracted by using the existing data extraction method or retrained based on the existing data extraction model.

[0038] The key item data is numerically valued. For data that is a numerical value, it is directly used. For non-numerical data, a manual conversion assignment table is set according to the possible key item data, and the corresponding characteristic item numerical value is obtained by matching.

[0039] The characteristic item numerical values belonging to the same target equipment are integrated into characteristic coordinates, and multiple numerical values are integrated into coordinates, which is common sense in the art.

[0040] The characteristic coordinates are clustered based on the K-means clustering algorithm, and the corresponding K value, radius and other limit conditions are set by experts, and the specific clustering process is common sense in the art, so it is not described in detail.

[0041] The corresponding classification characteristics are set for each detection classification, which are set manually to represent which detection conditions are required for the corresponding detection classification to meet the detection requirements, and the corresponding classification characteristics are set according to the detection conditions.

[0042] The layout model is a learning model trained manually, and the establishment and training process is common sense in the art, so it is not described in detail.

[0043] The method for calculating the classification value of the detection classification includes:

[0044] The common coordinates included in the detection classification are identified, the coordinate representative value of the common coordinates is calculated, and is marked as ZBj, where j represents the common coordinates, j = 1, 2, …, m, and m is a positive integer; the corresponding transpose coefficient is matched according to the detection classification, and is marked as α, and the classification value formula is The classification value is calculated, where b2 is a proportion coefficient, and the value range is 0 < b2 ≤ 1.

[0045] The corresponding transpose coefficient is matched according to the detection classification, and the transpose coefficient of the corresponding detection classification is set manually, and a transpose coefficient matching table is established. The corresponding transpose coefficient is matched from the transpose coefficient matching table according to the detection classification.

[0046] The method for calculating the coordinate representative value of the common coordinates includes:

[0047] The element type of the common coordinates is marked as i, where i = 1, 2, …, n, and n is a positive integer; the element type is the numerical value in the common coordinates; the numerical value corresponding to the element type is identified and marked as Pi; the key item corresponding to the element type is identified, and the corresponding weight coefficient is set according to the identified key item and marked as μi; and the coordinate value formula is Calculate the representative value of coordinates. b1 is a proportionality coefficient with a value range of 0 < b1 ≤ 1, and λ is a correction factor with a value range of 0 < λ ≤ 1.

[0048] The method for setting the corresponding weight coefficient according to the identified key items is as follows: The expert group sets the weight values of each key item, establishes a weight value table, matches the corresponding weight values according to the identified key items, and calculates the corresponding weight coefficients according to the weight values, which can be understood as the proportion of the total weight value.

[0049] Step 2: Configure the corresponding load power supply according to the station layout diagram and establish a relay detection platform;

[0050] After determining the corresponding station layout diagram and load power supply, supplement the equipment according to the corresponding detection principle and establish a relay detection platform. For example, according to the required detection items such as pull-in voltage detection, release voltage detection, contact voltage drop detection, pull-in time detection, etc., configure the corresponding detection equipment according to the required detection items; as Fig. 2 shown, in the detection circuit of an embodiment, the programmable power supply is mainly used to simulate the vehicle's battery; the solid-state relay is mainly used on the equipment to control whether the starting relay works. According to needs, the starting relay to be tested can be selected; the high-power adjustable resistor R1 is mainly used to adjust the rated current of the starting relay contact; it is composed of a high-power slide wire resistor and can achieve continuous adjustment of the resistance value; the adjustable resistor R2 is mainly used to adjust the discharge time of the LC circuit; the high-current adjustable inductor L1 is mainly used to simulate the inductance value of the starting motor's pull-in coil. By combining different coil inductances, the purpose of adapting to the required inductance size during different tests can be achieved, and the inductance can be adjusted. In the figure, S1 is the solid-state relay, K1 is the starting relay, BT1 is the programmable power supply, and C1 is the adjustable capacitor; the parts not specifically disclosed are common knowledge in this field, so no detailed description will be given.

[0051] Step 3: Compile a combined detection plan according to the detection items available on the relay detection platform;

[0052] The method for compiling a combined detection plan according to the detection items available on the relay detection platform includes:

[0053] Set the priority levels of the detection items, combine the corresponding detection items according to the set priority levels to obtain candidate detection combinations; obtain the detection methods of each detection item, screen the candidate detection combinations according to the obtained detection methods and the station layout diagram to obtain the target detection combination, and compile the corresponding combined detection plan according to the target detection combination.

[0054] Set the priority levels of the detection items directly according to the priority detection order in the actual detection process. The priority levels may not be unique for different processes, that is, a detection item may have multiple priority levels.

[0055] The detection method of the detection item can be directly obtained, such as release voltage detection, control coil voltage slowly decreases, and whether the contact is disconnected is detected, when the contact is disconnected, the coil voltage at this time is the release voltage of the relay.

[0056] According to the obtained detection method and the layout of the work station, the detection combination to be selected is screened, that is, the screening is performed according to the possible conflicts, and the specific method is common sense in the art.

[0057] According to the target detection combination, a corresponding joint detection scheme is prepared, that is, the joint detection scheme is prepared in an artificial manner according to the target detection combination and the detection method of the corresponding detection item, and the specific part that is not disclosed is common sense in the art.

[0058] Step four: setting a control module, completing the detection of the relay on the detection work station through the control module, and obtaining corresponding detection data;

[0059] The control module is used for controlling the detection of the relay, and the specific method includes:

[0060] The relay on the detection work station is identified and marked as a relay to be detected, the information of the relay to be detected is obtained, including the model, design data, detection work station number and the like, the combined detection horizontal chart is set according to the information of the relay to be detected and the joint detection scheme, the corresponding joint detection scheme is obtained, the detection of the relay is started according to the combined detection horizontal chart and the joint detection scheme, the detection data is obtained, the detection data is compared with the corresponding design data, and the detection result is obtained.

[0061] The method for setting the combined detection horizontal chart according to the information of the relay to be detected and the joint detection scheme includes:

[0062] In one embodiment, the setting can be directly performed in an artificial manner.

[0063] In another embodiment, the number of relays to be detected is obtained, the combined matching of the joint detection scheme is performed according to the obtained number of relays to be detected, the combined implementation scheme is obtained, and each relay to be detected is labeled with a corresponding joint detection scheme number tag, and the combined detection horizontal chart is set according to the combined implementation scheme.

[0064] The combined matching of the joint detection scheme according to the obtained number of relays to be detected is that the corresponding detection equipment is fully utilized according to the diversity of the joint detection scheme, and simultaneous measurement of multiple relays is realized as much as possible, and the specific method is common sense in the art, and thus will not be described in detail.

[0065] The combined detection horizontal chart is set according to the combined implementation scheme, and the specific method for establishing the horizontal chart is common sense in the art, and thus will not be described in detail.

[0066] The above formulas are dimensionless values calculated by removing the dimension, the formula is obtained by collecting a large amount of data to simulate the closest real situation by software, and the preset parameters and the preset threshold in the formula are set by the person skilled in the art according to the actual situation or obtained by a large amount of data simulation.

[0067] The above examples are only used to illustrate the technical method of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical method of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical method of the present application.

Claims

1. A comprehensive test method for multiple performance characteristics of a relay, characterized in that, Specific methods include: Step 1: Obtain the types of relays to be tested, lay out the relay testing workstations, and obtain the workstation layout diagram; Step 2: Configure the corresponding load power supply according to the workstation layout diagram and set up the relay testing station; Step 3: Develop a joint testing plan based on the testing items available on the relay testing station; Step 4: Set up the control module to perform the testing of the relays at the testing station and obtain the corresponding test data; Methods for arranging relay testing workstations include: The relay types to be tested are marked as target devices, and the characteristic coordinates of the target devices are obtained and distributed in a coordinate system. The characteristic coordinates are clustered based on the K-means clustering algorithm, and the characteristic coordinates belonging to the same cluster are marked as common coordinates. The target devices corresponding to the common coordinates are integrated and marked as detection categories. Corresponding classification characteristics are set for each detection category, and the classification value of the detection category is calculated. The classification characteristics and classification values ​​are integrated into single classification analysis data, and a layout model is established. All single classification analysis data are input into the layout model to obtain the corresponding workstation layout diagram. Methods for calculating classification values ​​for detection classification include: The common coordinates included in the detection and classification are identified, and their representative values ​​are calculated and labeled as ZBj, where j represents the common coordinate, j = 1, 2, ..., m, and m is a positive integer; the corresponding transpose coefficient is matched according to the detection and classification and labeled as α, and the classification value formula is applied. Calculate the classification value, where b2 is the proportion coefficient, with a value ranging from 0 to 1. <b2≤1; Methods for calculating the coordinate representative values ​​of common coordinates include: Mark the element types of the common coordinates as i, where i = 1, 2,..., n, and n is a positive integer; identify the numerical values corresponding to the element types, mark them as Pi, identify the key items corresponding to the element types, set the corresponding weight coefficients according to the identified key items, and mark them as μi. According to the coordinate value formula Calculate the coordinate representative value. b1 is a proportionality coefficient, and its value range is 0 < b1 ≤ 1. λ is a correction factor, and its value range is 0 < λ ≤ 1.

2. The relay multi-performance comprehensive testing method according to claim 1, characterized in that, Methods for obtaining the characteristic coordinates of a target device include: Obtain target device characteristic information, set a key characteristic item table, extract key data from the target device characteristic information based on the set key characteristic item table, obtain key item data, quantify the key item data to obtain characteristic item values, and integrate characteristic item values ​​belonging to the same target device into characteristic coordinates.

3. The method for comprehensive testing of multiple performance characteristics of a relay according to claim 1, characterized in that, The methods for developing joint testing plans based on the testing items available on the relay testing station include: Set the priority level of the testing items, and combine the corresponding testing items according to the set priority level to obtain the candidate testing combinations; obtain the testing method for each testing item, and filter the candidate testing combinations according to the obtained testing methods and workstation layout diagram to obtain the target testing combination; and compile the corresponding joint testing plan according to the target testing combination.

4. The method for comprehensive testing of multiple performance characteristics of a relay according to claim 1, characterized in that, The control module is used to control the detection of the relay, and the specific methods include: The relays at the testing station are identified and marked as relays to be tested. Information about the relays to be tested is obtained. A combined testing Gantt chart is set up based on the information about the relays to be tested and the available combined testing schemes. The combined testing schemes for the corresponding applications are obtained. The relay testing is started according to the combined testing Gantt chart and the combined testing schemes. The testing data is obtained and compared with the corresponding design data to obtain the testing results.

5. The relay multi-performance comprehensive testing method according to claim 4, characterized in that, The method for setting up a combined detection Gantt chart based on the information of the relay to be tested and the available combined detection scheme is as follows: Obtain the number of relays to be tested, perform combination matching of joint testing schemes based on the obtained number of relays to be tested, obtain a combined implementation scheme, and label each relay to be tested with the corresponding joint testing scheme number. Set up a combined testing Gantt chart according to the combined implementation scheme.

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