Aging house product accompanying measurement method and system

Abstract

The present application relates to the technical field of vehicle charger aging test, more particularly, to an aging house product accompanying test method and system. The scheme includes ensuring that each test cabinet has an independent temperature detector for temperature detection, adjusting the number and configuration of test cabinets as needed through modular design; deploying heating and cooling devices in each test cabinet; automatically identifying the connected vehicle charger and starting the test according to the preset self-test program; setting up a state monitoring man-machine interface for the automatic test program for real-time viewing of test results; installing a safety alarm system in the test cabinet, which will immediately issue an alarm and stop the test once an unexpected situation is detected; and automatically optimizing the retest after obtaining the test results of each vehicle charger. The scheme integrates an intelligent identification system in the test cabinet, which can automatically detect the connection state of the vehicle charger, complete the automatic test, and improve the test efficiency and reliability.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle charger aging test, more particularly, to an aging house product accompanying test method and system. BACKGROUND

[0002] The aging house of the vehicle OBC automatic production line is a device specially used for aging test of vehicle OBC (On-Board Charger, vehicle charger). In the production process, in order to ensure the performance and reliability of the vehicle charger, it needs to be aged. The aging house usually has a constant temperature and humidity environment to simulate the environmental conditions in actual use, and the vehicle charger is tested for long time continuous work. This can effectively screen out potential quality problems and improve the reliability and stability of the product.

[0003] Before the present application, the existing aging house product accompanying test method mainly relies on subjective visual inspection and simple non-destructive detection technology, and the technical difficulties and key points include: in the aging test process, it is necessary to ensure that the temperature in the cabinet can reach and maintain in the set range, which puts higher requirements on the performance of the heating device and the cooling device. In addition, due to the design limitations of the traditional test method, it is difficult to test multiple products at the same time, resulting in low test efficiency. In summary, although the traditional method can meet the basic test requirements to a certain extent, there are many shortcomings in temperature control, test efficiency, accuracy and reliability, human-machine interface and control, and safety performance. SUMMARY

[0004] In view of the above problems, the present application provides an aging house product accompanying test method and system, which can automatically detect the connection state of the vehicle charger by integrating an intelligent identification system in the test cabinet, complete automatic test, and improve test efficiency and reliability.

[0005] According to a first aspect of an embodiment of the present application, an aging house product accompanying test method is provided.

[0006] In one or more embodiments, preferably, the aging house product accompanying test method comprises:

[0007] Ensure that each test cabinet has an independent temperature detector, and adjust the number and configuration of the test cabinet according to the needs through modular design;

[0008] Deploy heating and cooling devices in each test cabinet;

[0009] Automatically identify the connected vehicle charger and start testing according to the preset self-test program;

[0010] Set up a state monitoring human-machine interface of the automatic test program for real-time viewing of test results;

[0011] A safety alarm system is installed in the test cabinet, which will immediately send an alarm and stop the test once an unexpected situation is detected;

[0012] After obtaining the test results of each on-board charger, automatic optimization retesting is performed.

[0013] In one or more embodiments, preferably, there is an independent temperature detector to ensure the temperature in each test cabinet, and the number and configuration of test cabinets are adjusted as needed through modular design, specifically including:

[0014] Each test cabinet is equipped with an independent temperature control and detection system, as well as at least one temperature detector for real-time monitoring and maintaining the preset temperature conditions;

[0015] The test cabinet should be designed as a stackable and combinable module to facilitate flexible configuration of the number and layout of test cabinets according to testing needs.

[0016] In one or more embodiments, preferably, heating and cooling devices are deployed in each test cabinet, specifically including:

[0017] The heat load of each test cabinet is evaluated to determine the required heating and cooling capacity;

[0018] According to the evaluation results, the types and powers of heating and cooling devices are selected.

[0019] In one or more embodiments, preferably, the connected on-board charger is automatically identified, and testing is started according to the preset self-test program, specifically including:

[0020] An intelligent identification system is integrated in the test cabinet, which can automatically detect the connection state of the on-board charger;

[0021] Once the on-board charger is connected to the test cabinet, the intelligent identification system identifies the model and specifications of the on-board charger and sends the information to the central control system;

[0022] The central control system issues the preset self-test program according to the model and specifications of the on-board charger.

[0023] In one or more embodiments, preferably, a state monitoring human-machine interface is set for the automatic test program, which is used to view the test results in real time, specifically including:

[0024] A state monitoring human-machine interface is set in advance, which can obtain the execution progress of the preset self-test program in real time;

[0025] According to the execution progress of the preset self-test program, the running results are extracted online and displayed in real time.

[0026] In one or more embodiments, preferably, the safety alarm system is installed in the test cabinet, which immediately issues an alarm and stops the test once an unexpected situation is detected, specifically including:

[0027] A cabinet door state monitoring device is arranged on the cabinet door, which immediately issues a buzzer alarm when the cabinet door is opened in the running state;

[0028] An automatic alarm is arranged inside each test cabinet, which immediately issues a buzzer alarm when the running state satisfies a first calculation formula;

[0029] The first calculation formula is:

[0030]

[0031] Wherein, T is the real-time temperature, and F is the preset temperature range.

[0032] In one or more embodiments, preferably, after obtaining the test results of each vehicle charger, automatic optimization retesting is performed, specifically including:

[0033] Existing vehicle charger test processes are extracted, and bottlenecks, redundant steps or inefficient links in the processes are identified;

[0034] Test results of each vehicle charger are collected, including test time, failure rate, and equipment utilization rate;

[0035] It is determined whether the test results satisfy a second calculation formula, and if not, the test step at the corresponding time is a retest step;

[0036] If the equipment utilization rate during the test process does not satisfy a third calculation formula, an adjustment of the test working condition is issued;

[0037] The overall failure rate after monitoring is determined, and if the overall failure rate of the same batch does not satisfy a fourth calculation formula, a fifth calculation formula is used to calculate the temperature energy of the period with the highest failure rate, and it is determined whether the temperature energy of the period with the highest failure rate satisfies a sixth calculation formula, and if not, the overall test working condition is adjusted;

[0038] When the retest step, the adjustment of the test working condition, or the adjustment of the overall test working condition, automatic optimization retesting is performed;

[0039] Test data is automatically recorded and a structured test report is generated;

[0040] The second calculation formula is:

[0041] T1 ÷ TZ > 10%

[0042] Wherein, T1 is the total time length of not meeting the absolute safety margin range under a certain test step, and TZ is the total test time length under a certain test step.

[0043] The third calculation formula is:

[0044] L>80%

[0045] Wherein, L is the equipment utilization rate.

[0046] The fourth calculation formula is:

[0047] P>10%

[0048] Wherein, P is the overall failure rate.

[0049] The fifth calculation formula is:

[0050]

[0051] Wherein, Tt is the temperature at time t, TZ0 is the start of the period with the highest failure rate, TZ1 is the end of the period with the highest failure rate, and Gt is the temperature energy of the period with the highest failure rate.

[0052] The sixth calculation formula is:

[0053] Gt>Y

[0054] Wherein, Y is a preset energy contrast margin.

[0055] According to the second aspect of the embodiment of the application, a product aging house accompanying measurement system is provided.

[0056] In one or more embodiments, preferably, the product aging house accompanying measurement system comprises:

[0057] An information acquisition module is configured to ensure that each test cabinet has an independent temperature detector, and the number and configuration of the test cabinets can be adjusted according to needs through modular design.

[0058] A temperature rising and falling module is configured to deploy heating and cooling devices in each test cabinet.

[0059] An automatic detection module is configured to automatically identify the connected vehicle charger and start the test according to a preset self-test program.

[0060] A real-time viewing module is configured to set a state monitoring human-machine interface of the automatic test program, and is configured to view the test results in real time.

[0061] An automatic warning module is configured to install a safety alarm system in the test cabinet, and to immediately issue an alarm and stop the test once an unexpected situation is detected.

[0062] Supplement the optimization module, for after obtaining each vehicle charger test result, carry out automatic optimization and supplement test.

[0063] According to a third aspect of the embodiments of the present application, a computer readable storage medium is provided, which stores computer program instructions, and the computer program instructions, when executed by a processor, implement the method according to any one of the first aspect of the embodiments of the present application.

[0064] According to a fourth aspect of the embodiments of the present application, an electronic device is provided, which comprises a memory and a processor, the memory is configured to store one or more computer program instructions, and the one or more computer program instructions are executed by the processor to implement the method according to any one of the first aspect of the embodiments of the present application.

[0065] The technical scheme provided by the embodiments of the present application can include the following beneficial effects:

[0066] In the present application, efficient testing is achieved through automatic testing based on test data.

[0067] In the present application, comprehensive and reliable consistency coverage testing is achieved through integrated real-time data acquisition and collection technology.

[0068] Other features and advantages of the present application will be described in the following description, and some will become apparent from the description, or will be understood from the practice of the present application. The purposes and other advantages of the present application can be achieved and obtained by the structures specifically pointed out in the written description, claims, and drawings.

[0069] The technical scheme of the present application will be further described in detail below with the help of the accompanying drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0070] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced below. 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.

[0071] Figure 1 is a flow chart of a product test method in an aging house according to an embodiment of the present application.

[0072] Figure 2 is a flow chart of a product test method in an aging house according to an embodiment of the present application, which ensures that each test cabinet has an independent temperature detector, and the number and configuration of test cabinets can be adjusted according to the needs through modular design.

[0073] Figure 3A flow chart of deploying heating and cooling devices in each test cabinet in a product aging room test method according to an embodiment of the present application.

[0074] Figure 4 A flow chart of automatically identifying a connected vehicle charger and starting a test according to a preset self-test program in a product aging room test method according to an embodiment of the present application.

[0075] Figure 5 A flow chart of a state monitoring human-machine interface for setting an automatic test program in a product aging room test method according to an embodiment of the present application, for real-time viewing of test results.

[0076] Figure 6 A flow chart of installing a safety alarm system in a test cabinet in a product aging room test method according to an embodiment of the present application, which immediately sends an alarm and stops the test upon detecting an unexpected situation.

[0077] Figure 7 A flow chart of automatically optimizing and retesting after obtaining the test results of each vehicle charger in a product aging room test method according to an embodiment of the present application.

[0078] Figure 8 A structural diagram of a product aging room test system according to an embodiment of the present application.

[0079] Figure 9 A structural diagram of an electronic device according to an embodiment of the present application. DETAILED DESCRIPTION

[0080] In some of the flowcharts described in the description and claims of the present application and in the above-mentioned drawings, a plurality of operations appearing in a specific order are included, but it should be clearly understood that these operations can be executed in the order in which they appear in this text or in parallel, and the serial numbers of the operations, such as 101, 102, etc., are only used to distinguish different operations, and the serial numbers themselves do not represent any execution order. In addition, these flowcharts can include more or fewer operations, and the operations can be executed in sequence or in parallel. It should be noted that the descriptions of "first", "second", etc. in this text are used to distinguish different messages, devices, modules, etc., and do not represent the order of precedence, nor do "first" and "second" represent different types.

[0081] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0082] The aging room of the vehicle-mounted OBC automatic production line is a device specially used for aging test of the vehicle-mounted OBC (On-Board Charger). In the production process, in order to ensure the performance and reliability of the vehicle-mounted charger, it needs to be aged. The aging room usually has a constant temperature and humidity environment to simulate the environmental conditions in actual use, and the vehicle-mounted charger is tested for long-time continuous work. In this way, potential quality problems can be effectively screened out, and the reliability and stability of the product can be improved.

[0083] Before the present technology, the existing aging room product test method mainly relies on subjective visual inspection and simple non-destructive testing technology. The technical difficulties and key points include ensuring that the temperature in the cabinet can reach and remain within the set range during the aging test process, which puts higher requirements on the performance of the heating device and the cooling device. Due to the design limitations of the traditional test method, it is difficult to test multiple products at the same time, resulting in low test efficiency. Due to uneven temperature and inconsistent test conditions, the traditional method is difficult to ensure the accuracy and reliability of the test results. In order to improve the flexibility and convenience of the test, an intuitive man-machine interface and an accurate control system need to be designed so that the operator can easily set and track the test conditions. During the test process, if the cabinet is accidentally opened, an alarm device is needed to remind the operator to avoid insufficient test time or potential safety risks. In summary, although the traditional method can meet the basic test requirements to some extent, it has many shortcomings in temperature control, test efficiency, accuracy and reliability, man-machine interface and control, and safety performance.

[0084] In the embodiment of the present application, a kind of aging room product test method and system are provided. The scheme can automatically detect the connection state of the vehicle-mounted charger by integrating intelligent identification system in the test cabinet, complete automatic test, improve test efficiency and reliability.

[0085] According to the first aspect of the embodiment of the present application, a kind of aging room product test method is provided.

[0086] Figure 1 It is the flow chart of a kind of aging room product test method of one embodiment of the present application.

[0087] In one or more embodiments, preferably, the aging room product test method comprises:

[0088] S101, ensure that the temperature in each test cabinet has independent temperature detector, and the number and configuration of test cabinet are adjusted according to needs by modular design;

[0089] S102, heating and cooling device is arranged in each test cabinet;

[0090] S103, automatically identifying the connected vehicle charger and starting the test according to the preset self-test procedure;

[0091] S104, setting up a state monitoring man-machine interface of the automatic test procedure for real-time viewing of test results;

[0092] S105, installing a safety alarm system in the test cabinet, which will immediately issue an alarm and stop the test upon detecting an unexpected situation;

[0093] S106, after obtaining the test results of each vehicle charger, automatically optimizing the retest.

[0094] In an embodiment of the present application, a flexible test cabinet system is designed to accurately control and monitor the temperature conditions under different test environments. The system is composed of multiple independent test cabinets, each of which is equipped with at least one temperature detector and a temperature control unit. The temperature detector is a high-precision digital temperature sensor, such as PT100 or NTC thermistor, which can monitor the temperature inside the test cabinet in real time and feed back the data to the temperature control unit. The temperature control unit uses an advanced microprocessor control system, such as a PID (Proportional-Integral-Derivative) controller, which can automatically adjust the heating or cooling equipment inside the test cabinet according to the preset temperature value, ensuring that the temperature inside the test cabinet is stable within the preset range. In addition, the design of each test cabinet conforms to the principles of modularity, stackability and combinability, allowing it to flexibly configure the number and layout of test cabinets according to specific experimental needs. For example, when conducting a series of electronic component aging tests under different temperature conditions, the temperatures of different test cabinets can be set to 40℃, 50℃ and 60℃ as needed. The system controls and monitors the temperature in each test cabinet independently, ensuring that the temperature of each test environment reaches the preset value and remains stable throughout the test process. If more test conditions or larger test scales are needed, simply add more test cabinets and integrate and control the new test cabinets through simple configuration.

[0095] Figure 2 is a flowchart of a method for ensuring that each test cabinet has an independent temperature detector and adjusting the number and configuration of test cabinets as needed through modular design in an aging house product test method according to an embodiment of the present application.

[0096] As shown in Figure 2 in one or more embodiments, preferably, the method for ensuring that each test cabinet has an independent temperature detector and adjusting the number and configuration of test cabinets as needed through modular design, specifically includes:

[0097] S201. Each test cabinet is equipped with an independent temperature control and detection system, as well as at least one temperature detector, for real-time monitoring and maintaining the preset temperature conditions.

[0098] S202. The test cabinet should be designed as a stackable and combinable module to facilitate flexible configuration of the number and layout of test cabinets according to testing needs.

[0099] In the embodiments of the present application, in order to ensure that the temperature in each test cabinet can be accurately controlled according to testing needs, heating and cooling devices are deployed in each test cabinet. First, the required heating and cooling capacity is determined by detailed assessment of the heat load of each test cabinet. This assessment takes into account the size, insulation performance, expected maximum and minimum temperature range of the test cabinet, and the heat that may be generated inside the test cabinet. Based on these assessment results, appropriate types and powers of heating devices and cooling devices are selected. For example, for test cabinets that require rapid heating or maintenance of high temperature conditions, high-power electric heaters are selected; while for rapid cooling cases, a combination of refrigeration compressor and fan cooling system is equipped. The selection of these devices ensures that the test cabinet can quickly and accurately reach and maintain the set temperature under different testing needs. As an example, assume that a test cabinet needs to be quickly raised from room temperature (about 25℃) to 85℃ for high temperature testing, and then quickly lowered to -10℃ for low temperature testing. A 1000-watt electric heater and a 5000-BTU refrigeration system will be installed in this test cabinet. Through such configuration, the test cabinet can be raised from room temperature to 85℃ in about 30 minutes, and lowered from 85℃ to -10℃ in 60 minutes, meeting the demand for rapid temperature change.

[0100] Figure 3 is a flowchart of deploying heating and cooling devices in each test cabinet in an aging house product test method according to an embodiment of the present application.

[0101] As shown in Figure 3 in one or more embodiments, preferably, the deploying heating and cooling devices in each test cabinet specifically includes:

[0102] S301. Assess the heat load of each test cabinet to determine the required heating and cooling capacity;

[0103] S302. Select the type and power of the heating device and the cooling device according to the assessment results.

[0104] In the embodiments of the present application, in order to ensure that the temperature in each test cabinet can be accurately controlled according to the test requirements, heating and cooling devices are deployed in each test cabinet. First, the required heating and cooling capacity is determined by detailed assessment of the thermal load of each test cabinet. This assessment takes into account the size of the test cabinet, the insulation performance, the expected maximum and minimum temperature range, and the heat that may be generated inside the test cabinet. Based on these assessment results, appropriate types and powers of heating devices and cooling devices are selected. For example, for test cabinets that require rapid heating or maintenance of high temperature conditions, high-power electric heaters are selected; and for rapid cooling conditions, cooling systems consisting of a combination of refrigeration compressors and fans are equipped. The selection of these devices ensures that the test cabinet can quickly and accurately reach and maintain the set temperature under different test requirements. As an example, assume that a test cabinet needs to be quickly raised from room temperature (about 25°C) to 85°C for high-temperature testing, and then quickly lowered to -10°C for low-temperature testing. A 1000-watt electric heater and a 5000-BTU refrigeration system will be installed in this test cabinet. With such a configuration, the test cabinet can be raised from room temperature to 85°C in about 30 minutes, and lowered from 85°C to -10°C in 60 minutes, meeting the requirements of rapid temperature change.

[0105] Figure 4 is a flowchart of an automatic identification of a connected vehicle charger in an aging house product test method and starting testing according to a preset self-test program in an embodiment of the present application.

[0106] As shown in Figure 4 , in one or more embodiments, preferably, the automatic identification of a connected vehicle charger and starting testing according to a preset self-test program specifically includes:

[0107] S401, an intelligent identification system is integrated in the test cabinet, which can automatically detect the connection state of the vehicle charger;

[0108] S402, once the vehicle charger is connected to the test cabinet, the intelligent identification system identifies the model and specifications of the vehicle charger and sends the information to the central control system;

[0109] S403, the central control system issues a preset self-test program according to the model and specifications of the vehicle charger.

[0110] In an embodiment of the present application, a test cabinet integrated with an intelligent recognition system is designed for automatically detecting and testing connected vehicle chargers. The intelligent recognition system employs microprocessors and sensor arrays to automatically detect the connection status of vehicle chargers. Once a vehicle charger is plugged into the corresponding interface of the test cabinet, the intelligent recognition system immediately identifies the model and specifications of the connected vehicle charger through electronic signals and physical characteristics. During this process, the system reads the electronic identification information (such as USB ID or proprietary chip code) and physical dimensions, shape, and interface type of the charger. The intelligent recognition system sends the identified vehicle charger information to the central control system. The central control system is a computer equipped with advanced processing software that automatically selects the corresponding self-test program from the pre-set test program library based on the received vehicle charger model and specification information. These self-test programs are pre-written and optimized for different models and specifications of chargers to ensure the accuracy and efficiency of testing. For example, when a vehicle charger with model ABC123 is connected to the test cabinet, the intelligent recognition system identifies it as a USB Type-A charger with 5V / 2A output capability and sends this information to the central control system. The central control system then issues the self-test program designed specifically for the ABC123 model, which guides the test cabinet to perform a series of tests, including output voltage stability test, output current test, and interface compatibility test, etc.

[0111] Figure 5 A state monitoring man-machine interface for setting an automatic test program in an aging house product test method is provided in an embodiment of the present application, which is used for real-time viewing of a flowchart of a test result.

[0112] As shown in Figure 5 , in one or more embodiments, preferably, the state monitoring man-machine interface for setting an automatic test program is used for real-time viewing of a test result, and specifically includes:

[0113] S501, a state monitoring man-machine interface is pre-set, and the state monitoring man-machine interface can acquire an execution progress of a pre-set self-test program in real time;

[0114] S502, according to the execution progress of the pre-set self-test program, a running result is extracted online, and the running result is displayed in real time.

[0115] In the embodiments of the present application, the status monitoring interface is integrated into the software platform of the test system, enabling the operator to conveniently view and analyze the ongoing test situation. Specifically, when the preset self-test program starts to execute, the status monitoring interface acquires the current status and intermediate results of the test through real-time data exchange with the central control system. These information includes the test phase, the time used, the current test item, the test result, and any possible error or warning. All these data are dynamically updated and displayed on the status monitoring interface, so that the operator can immediately understand the test progress. For example, suppose the self-test program being executed includes three phases: preliminary detection, performance evaluation, and safety test. The status monitoring interface will display a clear progress bar or status indicator to indicate which phase the current test is in, and the specific result of each phase. If no abnormality is found in all test phases, the interface will display the information of "test passed"; if an error is found in a certain phase, the interface will display the error type and related detailed data in real time, such as "performance evaluation failed: output voltage is lower than the standard value".

[0116] Figure 6 A flowchart of a safety alarm system installed in a test cabinet in an aging house product test method according to an embodiment of the present application.

[0117] As shown in Figure 6 , in one or more embodiments, preferably, the safety alarm system installed in the test cabinet immediately alarms and stops the test upon detecting an unexpected situation, specifically comprising:

[0118] S601, a cabinet door state monitoring device is arranged on the cabinet door, which immediately alarms with a bell sound when the cabinet door is opened in the running state;

[0119] S602, an automatic alarm is arranged inside each test cabinet, which immediately alarms with a bell sound when the running state satisfies a first calculation formula;

[0120] The first calculation formula is:

[0121]

[0122] Wherein, T is the real-time temperature, and F is the preset temperature range.

[0123] In the embodiments of the present application, a safety alarm system is installed in each test cabinet. The safety alarm system consists of two parts: a cabinet door status monitoring device and an internal automatic alarm. The function of these devices is to monitor the safety status of the test cabinet in real time, and once an unexpected situation is detected, an alarm is immediately sounded and the test is automatically stopped to prevent possible equipment damage or personal injury. First, we install a cabinet door status monitoring device on the cabinet door of the test cabinet. This device uses magnetic induction or microswitch technology to detect the opening and closing status of the cabinet door. In the running state of the test cabinet, if the cabinet door is accidentally opened, the status monitoring device will immediately detect this action and activate the sound alarm through the control system to sound the alarm, and at the same time, through software logic control, stop the execution of the test program to avoid harm to the operator caused by high temperature or dangerous substance leakage. Second, we set an automatic alarm inside each test cabinet, which is connected with a temperature sensor and programmed with a preset temperature range F (for example, set the safe operating temperature range in the test cabinet to 20℃ to 60℃). The automatic alarm will evaluate the relationship between the real-time temperature T and the preset temperature range F, and a specific calculation formula is used here: If the real-time temperature T exceeds the preset temperature range F, i.e. the temperature is too high or too low, the automatic alarm will immediately activate the sound alarm and execute the command of the control system to stop the test in emergency to protect the test equipment from damage and prevent potential safety risks caused by abnormal temperature. For example, assume that the preset temperature range F is 20℃ to 60℃, and due to a fault or operational error, the real-time temperature T in the test cabinet rises to 70℃. At this time, the automatic alarm will detect this temperature anomaly and immediately sound the alarm and instruct the control system to stop all test operations. Similarly, if the cabinet door of the test cabinet is opened during the test, the cabinet door status monitoring device will also trigger the sound alarm and stop the test. The safety alarm system in this embodiment effectively improves the safety of the test cabinet through the double protection of the cabinet door status monitoring device and the internal automatic alarm. The system is simple and effective, easy to implement, and can adjust the preset parameters according to actual needs to meet the safety requirements of different test environments.

[0124] Figure 7 is a flowchart of the automatic optimization of the test results of each vehicle charger in the product test method of the aging room according to an embodiment of the present application.

[0125] As shown in Figure 7 , in one or more embodiments, preferably, the automatic optimization of the test results of each vehicle charger after obtaining the test results, specifically includes:

[0126] S701, extract the existing vehicle charger test flow, identify the bottlenecks, redundant steps or inefficient links in the flow;

[0127] S702, collect the test result of each on-board charger, the test result of the on-board charger including test time, failure rate, equipment utilization rate;

[0128] S703, judge whether the test result meets the second calculation formula, if not, the test step at the corresponding time is a retest step;

[0129] S704, if the equipment utilization rate does not meet the third calculation formula during the test process, adjust the test working condition;

[0130] S705, judge the overall failure rate after the monitoring is completed, if the overall failure rate of the same batch does not meet the fourth calculation formula, calculate the temperature energy of the period with the highest failure rate by using the fifth calculation formula, and judge whether the temperature energy of the period with the highest failure rate meets the sixth calculation formula, if not, adjust the overall test working condition;

[0131] S706, in the retest step, the adjustment of the test working condition or the adjustment of the overall test working condition, then automatically optimize the supplementary test;

[0132] S707, automatically record the test data and generate a structured test report;

[0133] The second calculation formula is:

[0134] T1 ÷ TZ > 10%

[0135] Wherein, T1 is the total time length that does not meet the absolute safety margin range under a certain test step, and TZ is the total test time length under a certain test step;

[0136] The third calculation formula is:

[0137] L > 80%

[0138] Wherein, L is the equipment utilization rate;

[0139] The fourth calculation formula is:

[0140] P > 10%

[0141] Wherein, P is the overall failure rate;

[0142] The fifth calculation formula is:

[0143]

[0144] Wherein, Tt is the temperature at time t, TZ0 is the start point of the period with the highest failure rate, TZ1 is the end point of the period with the highest failure rate, and Gt is the temperature energy of the period with the highest failure rate;

[0145] The sixth calculation formula is:

[0146] Gt > Y

[0147] wherein Y is a preset energy contrast margin.

[0148] wherein the process of extracting and identifying the bottlenecks, redundant steps, or inefficient links in the existing vehicle-mounted charger test flow includes testing the power supply stability of the vehicle during the use of the vehicle-mounted charger, specifically including the changes in the power supply voltage and power of the vehicle in the historical database under emergency braking and fault conditions; extracting the most stringent changes in power supply voltage and power, setting them as 50% of the test power supply initial conditions of the test time, fault rate, and device utilization rate in the test, and performing aging room testing to enable the vehicle-mounted charging device to more effectively resist vehicle abnormalities.

[0149] In the embodiment of the present application, by analyzing the existing vehicle-mounted charger test flow, bottlenecks, redundant steps, or inefficient links in the flow are identified. These data are obtained through real-time monitoring of the test system, including the time consumption, fault rate, and device utilization rate of each test step, and other key performance indicators. Then, the detailed test results of each vehicle-mounted charger are collected, which contain information such as test time, fault rate, and device utilization rate. Based on these data, the second calculation formula T1 ÷ TZ > 10 is used to determine whether the total time length that does not meet the absolute safety margin range under a certain test step exceeds 10% of the total test time length of that step. If so, the test step at the corresponding time is marked as a retest step. In addition, we monitor the device utilization rate and use the third calculation formula L > 80 for evaluation. If the device utilization rate does not reach 80%, the system will issue an instruction to adjust the test conditions to optimize resource use. For the overall fault rate, we use the fourth calculation formula P > 10 for evaluation. If the overall fault rate of the same batch exceeds 10%, we will further analyze the temperature energy of the period with the highest fault rate, which is calculated by the fifth calculation formula, where Tt is the temperature at time t, TZ0 is the start of the period with the highest fault rate, TZ1 is the end, and Gt is the temperature energy of the period with the highest fault rate. Then, we check the sixth calculation formula Gt > Y, where Y is a preset energy contrast margin. If the temperature energy of the period with the highest fault rate does not meet the margin requirement, the system will automatically adjust the overall test conditions. When retesting, adjusting test conditions, or adjusting overall test conditions are needed, the system will automatically perform optimized retesting. All test data will be automatically recorded and structured test reports will be generated for further analysis and traceability. This embodiment realizes the continuous optimization and self-adjustment of the vehicle-mounted charger test flow through automated data analysis and response mechanisms, significantly improving the accuracy and efficiency of testing. This method not only reduces the need for manual intervention, but also ensures the consistency and reliability of the testing process, making it particularly suitable for large-scale production and quality control environments.

[0150] According to a second aspect of the embodiments of the present application, a product aging room accompanying measurement system is provided.

[0151] Figure 8 FIG. 1 is a structural diagram of a product aging room accompanying measurement system according to an embodiment of the present application.

[0152] In one or more embodiments, preferably, the product aging room accompanying measurement system comprises:

[0153] An information acquisition module 801 is configured to ensure that each test cabinet has an independent temperature detector, and the number and configuration of the test cabinets are adjusted according to needs through modular design;

[0154] A temperature rising and falling module 802 is configured to deploy heating and cooling devices in each test cabinet;

[0155] An automatic detection module 803 is configured to automatically identify a connected vehicle charger and start testing according to a preset self-test program;

[0156] A real-time viewing module 804 is configured to set a state monitoring man-machine interface of the automatic test program, and is used for real-time viewing of test results;

[0157] An automatic warning module 805 is configured to install a safety alarm system in the test cabinet, and immediately issue an alarm and stop testing once an unexpected situation is detected;

[0158] A supplementary optimization module 806 is configured to automatically optimize and retest after obtaining the test results of each vehicle charger.

[0159] In the embodiments of the present application, a series of modular designs are used to realize a system suitable for different structures, and the system can realize closed-loop, reliable and efficient execution through acquisition, analysis and control.

[0160] According to a third aspect of the embodiments of the present application, a computer readable storage medium is provided, and computer program instructions are stored on the computer readable storage medium, and the computer program instructions realize the method according to any one of the first aspect of the embodiments of the present application when executed by a processor.

[0161] According to a fourth aspect of the embodiments of the present application, an electronic device is provided. Figure 9 FIG. 2 is a structural diagram of an electronic device according to an embodiment of the present application. Figure 9The electronic device shown is a general-purpose aging house product accompanying measurement device, which includes a general-purpose computer hardware structure, at least including a processor 901 and a memory 902. The processor 901 and the memory 902 are connected through a bus 903. The memory 902 is suitable for storing instructions or programs executable by the processor 901. The processor 901 can be a stand-alone microprocessor, or a set of one or more microprocessors. Thus, the processor 901 performs the processing of data and the control of other devices by executing the instructions stored in the memory 902, thereby implementing the method flow of the embodiments of the present application as described above. The bus 903 connects the above-mentioned components together, while connecting the above-mentioned components to a display controller 904 and a display device, and an input / output (I / O) device 905. The input / output (I / O) device 905 can be a mouse, a keyboard, a modem, a network interface, a touch input device, a body sense input device, a printer, and other devices known in the art. Typically, the input / output device 905 is connected to the system through an input / output (I / O) controller 906.

[0162] The embodiments of the present application can provide the following beneficial effects:

[0163] In the present application, high-efficiency testing is realized through automatic testing based on test data.

[0164] In the present application, comprehensive and reliable consistency coverage testing is realized through integrated real-time data acquisition and collection technology.

[0165] Those skilled in the art should understand that the embodiments of the present application can be provided as a method, a system, or a computer program product. Therefore, the present application can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Moreover, the present application can take the form of a computer program product implemented on one or more computer-usable storage media (including, but not limited to, disk storage and optical storage, etc.) containing computer-usable program code.

[0166] The present application is described with reference to flowcharts and / or block diagrams of the method, device (system), and computer program product according to the embodiments of the present application. It should be understood that each flow and / or block in the flowcharts and / or block diagrams, and the combination of flows and / or blocks in the flowcharts and / or block diagrams can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing devices to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing devices generate a means for implementing the functions specified in the flowcharts and / or block diagrams. Figure 1 The means for implementing one or more functions specified in one or more flows and / or blocks Figure 1 The means for implementing one or more functions specified in one or more flows and / or blocks

[0167] These computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture including instructions which implement the Figure 1 function specified in the flow or flows and / or blocks Figure 1 of the block or blocks.

[0168] These computer program instructions can also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions that are executed on the computer or other programmable apparatus provide steps for implementing the Figure 1 function specified in the flow or flows and / or blocks Figure 1 of the block or blocks.

[0169] Obviously, numerous modifications and variations of the present application are possible in light of the above teachings. It is therefore to be understood that within the scope of the appended claims and their equivalents, the application can be practiced otherwise than as specifically described.

Claims

1. A method for testing aging chamber products, characterized in that, The method comprises: Ensuring that each test cabinet has an independent temperature detector, adjusting the number and configuration of test cabinets as needed through modular design; Deploying heating and cooling devices in each test cabinet; Automatically identifying the connected on-board charger and starting the test according to the preset self-test program; Setting up an automatic test program state monitoring human-machine interface for real-time viewing of test results; Installing a safety alarm system in the test cabinet, which will immediately alert and stop testing upon detection of an unexpected situation; After obtaining the test results of each on-board charger, automatically optimizing the retest; Wherein, after obtaining the test results of each on-board charger, automatically optimizing the retest, specifically including: Extracting the existing on-board charger test process, identifying bottlenecks, redundant steps or inefficient links in the process; Collecting test results for each on-board charger, including test time, failure rate, and equipment utilization rate; Judging whether the test results meet the second calculation formula, if not, the corresponding test step at that time is a retest step; If the equipment utilization rate during the test process does not meet the third calculation formula, adjust the test conditions; Judging the overall failure rate after monitoring, if the overall failure rate of the same batch does not meet the fourth calculation formula, calculating the temperature energy of the period with the highest failure rate using the fifth calculation formula, and judging whether the temperature energy of the period with the highest failure rate meets the sixth calculation formula, if not, adjusting the overall test conditions; In the retest step, adjusting the test conditions or adjusting the overall test conditions, then automatically optimizing the retest; Automatically recording test data and generating a structured test report; The second calculation formula is: T1 ÷ TZ > 10% Wherein, T1 is the total time that does not meet the absolute safety margin range at a certain test step, and TZ is the total test time at a certain test step; The third calculation formula is: L＞80% Wherein, L is the equipment utilization rate; The fourth calculation formula is: P＞10% Wherein, P is the overall failure rate; The fifth calculation formula is: ； Wherein, Tt is the temperature at time t, TZ0 is the start of the period with the highest failure rate, TZ1 is the end of the period with the highest failure rate, and Gt is the temperature energy of the period with the highest failure rate; The sixth calculation formula is: Gt > Y Wherein, Y is the preset energy comparison margin.

2. The method of claim 1, wherein the product under test is an aging chamber. The method of ensuring that each test cabinet has an independent temperature detector, adjusting the number and configuration of test cabinets as needed through modular design, specifically includes: Each test cabinet is equipped with an independent temperature control and detection system, and at least one temperature detector for real-time monitoring and maintaining the preset temperature conditions; The test cabinet should be designed as a stackable and combinable module to facilitate flexible configuration of the number and layout of test cabinets according to test requirements.

3. The method of claim 1, wherein the product under test is an aging chamber. The method of deploying heating and cooling devices in each test cabinet specifically includes: Evaluating the heat load of each test cabinet to determine the required heating and cooling capacity; Selecting the type and power of heating and cooling devices based on the evaluation results.

4. The method of claim 1, wherein the product is a house. The method of automatically identifying the connected on-board charger and starting the test according to the preset self-test program specifically includes: An intelligent recognition system is integrated in the test cabinet, which can automatically detect the connection state of the vehicle charger; Once the vehicle charger is connected to the test cabinet, the intelligent recognition system can identify the model and specifications of the vehicle charger and send the information to the central control system; The central control system issues a preset self-test program according to the model and specifications of the vehicle charger.

5. The method of claim 1, wherein the product is a house. The state monitoring man-machine interface for setting the automatic test program is used to view the test results in real time, specifically including: A state monitoring man-machine interface is set in advance, which can obtain the execution progress of the preset self-test program in real time; According to the execution progress of the preset self-test program, the running results are extracted online and displayed in real time.

6. The method of claim 1, wherein the product is a house. A safety alarm system is installed in the test cabinet, which will immediately alarm and stop testing once an unexpected situation is detected, specifically including: A cabinet door state monitoring device is set on the cabinet door, which will immediately alarm when the cabinet door is opened in the running state; An automatic alarm is set inside each test cabinet, which will immediately alarm when the running state meets the first calculation formula. The first calculation formula is: ； Where T is the real-time temperature and F is the preset temperature range.

7. An aging house product companion system, characterized by, The system is used to implement the method of any one of claims 1-6, and the system comprises: An information acquisition module is used to ensure that each test cabinet has an independent temperature detector, and the number and configuration of the test cabinets can be adjusted according to needs through modular design; A temperature rising and falling module is used to deploy heating and cooling devices in each test cabinet; An automatic detection module is used to automatically identify the connected vehicle charger and start testing according to the preset self-test program; A real-time viewing module is used to set a state monitoring man-machine interface for the automatic test program, which is used to view the test results in real time; An automatic warning module is used to install a safety alarm system in the test cabinet, which will immediately alarm and stop testing once an unexpected situation is detected; A supplementary optimization module is used to automatically optimize the retest after obtaining the test results of each vehicle charger.

8. A computer readable storage medium having stored thereon computer program instructions, wherein, The computer program instructions implement the method of any one of claims 1-6 when executed by the processor.

9. An electronic device comprising a memory and a processor, characterized in that The memory is used to store one or more computer program instructions, wherein the one or more computer program instructions are executed by the processor to implement the method of any one of claims 1-6.

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