Electric bicycle charging cabinet test system
By designing an electric bicycle charging cabinet test system, using a variety of communication modules and functional modules to realize automated test processes and real-time data acquisition, the problems of low test efficiency and poor safety caused by manual intervention in the existing technology are solved, and efficient and safe charging cabinet testing is achieved.
Patent Information
- Application Number
- CN202421715576.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-07-19
AI Technical Summary
The existing electric bicycle charging cabinet test system relies on manual intervention, which makes it time-consuming and labor-intensive to build a test environment, diverse communication methods and difficult to recognize and coordinate, and has risks and operational errors, which cannot meet the test requirements of long-term real-time monitoring and triggering.
An electric bicycle charging cabinet test system is designed, including the integrated charging cabinet and test module to be tested. Through communication modules, equipment control function modules, circuit control function modules, product mutual recognition collaboration function modules, test control function modules and test data acquisition function modules, compatibility of various communication methods, automated test processes and real-time data acquisition are achieved.
Through system integration and automation, the test environment construction time is reduced, the test efficiency is improved, the operation error and risk are reduced, and the test requirements for long-term real-time monitoring and triggering are met.
Smart Images
Figure CN223051431U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of charging cabinet testing, and more specifically, to an electric bicycle charging cabinet testing system. Background Art
[0002] In terms of the hardware design of the electric bicycle charging cabinet testing system, it generally consists of a cabinet body, a main control board, a bin control board, an Android main board, a heating board, a screen display, a water immersion sensor, an aerosol fire extinguisher, a temperature sensor, a smoke detector and other hardware and supporting software. These components can monitor information such as voltage, current, power, and remaining time during the charging process in real time and intelligently judge whether there is an abnormality. In terms of software and system design, the main basis for the design of the electric bicycle intelligent charging system includes national standards and the basic environmental test procedures for international electrotechnical products. These standards ensure the safety and reliability of the equipment and provide functions such as equipment monitoring, operation management, fault detection, revenue management, and remote control.
[0003] The current electric bicycle charging cabinet testing system often uses manual intervention in testing. For example, the types of electric bicycle integrated charging cabinets are diverse, there are numerous circuit channels, diverse communication protocols and interfaces, and the characteristics of real-time, high-frequency, large quantity, and long time for test data collection and calculation.
[0004] In the prior art, during the testing of electric bicycle charging cabinets, manual testing by testers can no longer meet the requirements of some test items:
[0005] (1) The types and specifications of equipment required for each test are different, and it is time-consuming and laborious to manually build the test environment each time.
[0006] (2) Currently, the communication methods of electric bicycle integrated charging cabinet products are diverse, and there is no integrated compatible communication module and communication software.
[0007] (3) It is difficult to achieve mutual recognition and coordination in communication and simulate BMS.
[0008] (4) When directly using chargers and battery systems to test the electrical protection items of charging cabinets, there is danger.
[0009] (5) Manual tests have test operation errors, resulting in a lack of consistency in the tests.
[0010] (6) Charging cabinet tests require recording and storing a large number of data, real-time monitoring and calculating data, long-term monitoring and triggering interrupts, and manual tests cannot meet the test requirements.
[0011] Therefore, we make improvements in this regard and propose an electric bicycle charging cabinet testing system. Content of the Utility Model
[0012] The object of the present utility model is to address the problem that the current design of the charging cabinet test cannot be supported and tested by a professional test system.
[0013] To achieve the above object of the utility model, the present utility model provides the following technical solutions:
[0014] An electric bicycle charging cabinet test system to improve the above problems.
[0015] Specifically, the present application is as follows:
[0016] An electric bicycle charging cabinet test system includes a tested integrated charging cabinet and a test module. The test module is connected with a plurality of AC contactors, DC contactors and auxiliary relays, and further includes:
[0017] A communication module, which is bidirectionally connected to the tested integrated charging cabinet and the test module;
[0018] An equipment control function module, which establishes a communication connection with the tested integrated charging cabinet through different physical links;
[0019] A circuit control function module, which is used to terminate the test in time when an abnormality occurs during the test. The circuit control function module is connected with a PLC / relay box through a communication instruction. The PLC / relay box opens and closes to control a plurality of AC contactors and a plurality of DC contactors. Auxiliary relays are respectively connected between the PLC / relay box and the plurality of AC contactors and the plurality of DC contactors.
[0020] As a preferred technical solution of the present application, the communication module includes multiple types of communication buses and multiple types of communication protocols.
[0021] As a preferred technical solution of the present application, it further includes a product mutual recognition and cooperation function module, and the product mutual recognition and cooperation function module includes an AC charging cabinet product and a DC charging cabinet product.
[0022] As a preferred technical solution of the present application, it further includes a test control function module. The test control function module is connected with an equipment drive module, and the equipment drive module is connected to the test module and the tested integrated charging cabinet through instructions.
[0023] As a preferred technical solution of the present application, it further includes a test data acquisition function module. The test data acquisition function module is connected to a data acquisition instrument through a USB interface. The data acquisition instrument is connected with a voltage sensor Hall current transformer and a thermocouple sensor for collecting level signals.
[0024] Compared with the prior art, the beneficial effects of the present utility model are:
[0025] In the solution of the present application:
[0026] 1. By integrating the equipment and the circuits required for various tests, the purpose of enabling a single test bench to conduct multiple tests is achieved, reducing the time for setting up the test environment and minimizing the errors introduced by the differences in the test environments set up each time.
[0027] 2. Through hardware integration and software design, compatibility with multiple communication methods is achieved.
[0028] 3. Through software function development, mutual recognition and cooperation between different products and different protocols, as well as the BMS simulation function, are realized.
[0029] 4. By replacing the mains input, batteries, chargers and other test auxiliary products with various electronic devices, and through protection functions such as overvoltage, overcurrent, short circuit, and overheating, the dangers such as short circuit, explosion and combustion, and product out - of - control that may occur during the test are effectively controlled.
[0030] 5. This utility model avoids the differences in test environment, operation specifications, and data acquisition that may occur in manual tests. Through equipment integration and automatic program execution, the test environment, operation process, and data acquisition are solidified.
[0031] 6. This utility model automatically executes the test process through a program, greatly reducing the test time. At the same time, it realizes test requirements such as long - time real - time monitoring and triggering that cannot be met by manual testing. BRIEF DESCRIPTION OF THE DRAWINGS
[0032] Figure 1 It is the overall test flow chart of the electric bicycle charging cabinet test system provided by this application;
[0033] Figure 2 It is the test topology diagram of the electric bicycle charging cabinet test system provided by this application;
[0034] Figure 3 It is the scheme topology diagram of the circuit control function module in the electric bicycle charging cabinet test system provided by this application;
[0035] Figure 4 It is the topology structure diagram of the test data acquisition function module in the electric bicycle charging cabinet test system provided by this application. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0036] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of this utility model.
[0037] Accordingly, the following detailed description of the embodiments of the present utility model is not intended to limit the scope of the claimed present utility model, but merely represents some embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present utility model without creative efforts fall within the scope of protection of the present utility model. It should be noted that, without conflict, the embodiments in the present utility model and the features and technical solutions in the embodiments may be combined with each other.
[0038] It should be noted that like reference numerals and letters denote similar items in the following figures, and thus, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0039] As Figures 1-4 shown, the present embodiment provides an electric bicycle charging cabinet test system, including an integrated charging cabinet to be tested and a test module. The test module is connected with a plurality of AC contactors, DC contactors and auxiliary relays, and further includes:
[0040] A communication module, bidirectionally connected to the integrated charging cabinet to be tested and the test module. The communication module includes multiple types of communication buses and multiple types of communication protocols;
[0041] The communication module provides multiple types of communication buses, such as One Line Pass, RS485, CAN, LAN, etc. At the same time, the software function supports various types of communication protocols, can adapt to the communication frame transceiver of different buses, and perform functions such as analog mutual recognition handshake and BMS simulation.
[0042] An equipment control function module, which establishes a communication connection with the integrated charging cabinet to be tested through different physical links. The equipment control function module uses the remote control function, writes the underlying drivers of multiple devices in the system, and establishes a communication connection with the devices through different physical links, including but not limited to RS232, RS485, CAN, LAN, etc.;
[0043] The system integrates the communication protocols of various devices, and sends setting and reading instruction frames according to their respective communication protocols to achieve device parameter setting and device status monitoring;
[0044] The system provides a human-computer interaction UI interface at the application layer to achieve convenient parameter configuration and device operation plan configuration.
[0045] A circuit control function module, used to terminate the test in time when an experiment is abnormal. The circuit control function module is connected with a PLC / relay box through communication instructions. The PLC / relay box controls the opening and closing of a plurality of AC contactors and a plurality of DC contactors, and auxiliary relays are respectively connected between the PLC / relay box and the plurality of AC contactors and the plurality of DC contactors.
[0046] The main function of the circuit control function module is to build various test environments through line switching, improve test efficiency, and at the same time cut off and terminate the test in case of test anomalies, playing the role of emergency stop protection;
[0047] The system software controls the PLC / relay box through communication instructions, and controls the actions of AC and DC contactors on the main circuit through the opening and closing of relays to achieve the function of circuit switching.
[0048] The electric bicycle charging cabinet test system also includes a product recognition and collaboration function module, which includes AC charging cabinet products and DC charging cabinet products.
[0049] AC charging cabinet products: It is required to provide adjustable AC source input, adjustable AC load, multiple lines connecting the charging cabinet, multiple data acquisition devices, electrical parameter acquisition sensors / transmitters, temperature sensors, multiple types of communication modules, and an integrated control system software;
[0050] DC battery swapping cabinet products: It is required to provide adjustable AC source input, adjustable DC load, multiple lines connecting the charging cabinet, multiple data acquisition devices, electrical parameter acquisition sensors / transmitters, temperature sensors, multiple types of communication modules, and an integrated control system software.
[0051] The electric bicycle charging cabinet test system also includes a test control function module. The test control function module is connected to an equipment drive module, and the equipment drive module is connected to the test module and the integrated charging cabinet under test through instructions.
[0052] The test control function module is part of the software application layer, mainly realizing functions such as configuration of test operation steps, test plan configuration, operation control of test items, and real-time monitoring;
[0053] Through the UI interface, it provides a convenient human-computer interaction. The configured test steps are converted into executable scripts recognizable by the software. When the software executes these steps, it calls relevant function modules (such as the equipment drive module), sends instructions to the equipment, sends instructions to the product, and synchronizes the process timing, so as to realize the function of automatic execution of detection.
[0054] The electric bicycle charging cabinet test system also includes a test data acquisition function module. The test data acquisition function module is connected to a data acquisition instrument through a USB interface, and the data acquisition instrument is connected to a voltage sensor Hall current transformer and a thermocouple sensor for collecting level signals.
[0055] The test data acquisition function module mainly realizes the function of collecting and saving test data;
[0056] The system software is connected to the data acquisition instrument through the USB interface. The data acquisition instrument collects level signals from voltage sensors, current sensors, and temperature sensors, and converts them into voltage, current, and temperature data through the DMM module.
[0057] The system software sends a read command according to the communication protocol of the data acquisition instrument to read the data of the required channels.
[0058] When this application is in use:
[0059] I. System startup and initialization
[0060] System power-on: The operator starts the test system and performs a self-check program to ensure that all hardware components are operating normally.
[0061] Software loading: The test control software is automatically loaded and the main operation interface is displayed.
[0062] Parameter configuration: According to the model and technical specifications of the charging cabinet to be tested, the operator configures the corresponding test parameters and test plans on the human-machine interface.
[0063] Device connection: The system automatically detects and establishes a communication connection with each component inside the charging cabinet (such as BMS, power management unit, etc.).
[0064] II. Test preparation
[0065] Circuit configuration: According to the test plan, the circuit control unit automatically switches to the corresponding circuit mode to prepare for the charging test.
[0066] Communication handshake: The communication module performs a simulated mutual recognition handshake with the charging cabinet to confirm the consistency of the communication protocol and data format.
[0067] Data acquisition preparation: The data acquisition unit is ready and waits to receive real-time data from the sensors.
[0068] III. Test execution
[0069] Automatic test start: The operator starts the automatic test process through the software interface, and the system automatically executes the test according to the preset test script.
[0070] Real-time monitoring: The test control software monitors the test process in real time and displays key parameters such as the current test status, voltage, current, and temperature.
[0071] Data acquisition: The data acquisition unit synchronously records various parameters during the test process and transmits the data to the data processing and analysis module.
[0072] Exception handling: If an exception occurs during the test, the system will trigger an emergency stop protection mechanism and record the exception information for subsequent analysis.
[0073] IV. Test Completion
[0074] Test Completion Prompt: When all test scripts have been executed, the system will automatically prompt that the test is complete.
[0075] Data Analysis: The data processing and analysis module processes the collected data to generate a detailed test report.
[0076] Result Output: The operator can view the test report through the human-machine interface, including information such as test results, trend analysis, and anomaly diagnosis.
[0077] System Reset: After the test is completed, the system is automatically or manually reset by the operator to prepare for the next test.
[0078] V. Log Recording and Archiving
[0079] Log Recording: The system automatically records all operation logs and anomaly events during the test process.
[0080] Data Archiving: The generated test report and original data will be stored in the database for long-term preservation and future reference.
[0081] VI. Shutdown and Maintenance
[0082] System Shutdown: After the test task is completed, the operator shuts down the test system and performs necessary hardware inspections and maintenance work.
[0083] Regular Maintenance: According to the maintenance plan, the test system is regularly inspected for hardware, software updated, and performance calibrated to ensure the long-term stable operation of the system.
[0084] Through the above process, the intelligent test system for electric bicycle charging cabinets can efficiently and accurately complete various test tasks for the charging cabinets, providing strong guarantee for product quality.
[0085] During the test of the DC charging cabinet:
[0086] I. System Startup and Initialization
[0087] System Power-on: The operator starts the test system and performs a self-check procedure to ensure that all hardware components are operating normally.
[0088] Software Loading: The test control software is automatically loaded and the main operation interface is displayed.
[0089] Parameter Configuration: According to the type of the charging cabinet to be tested (DC or AC), the operator selects the corresponding test mode and configures the corresponding test parameters and test plans on the human-machine interface.
[0090] Device Connection: The system automatically detects and establishes communication connections with various components inside the charging cabinet (such as BMS, power management unit, etc.).
[0091] II. DC Charging Cabinet Test Preparation
[0092] DC Circuit Configuration: The circuit control unit configures the DC circuit mode according to the characteristics of the DC charging cabinet and prepares for the charging test.
[0093] DC Communication Handshake: The communication module conducts a simulated mutual recognition handshake with the DC charging cabinet to confirm the dedicated DC communication protocol and data format.
[0094] DC Data Acquisition Preparation: The data acquisition unit is ready and specially configured to meet the data acquisition requirements during the DC charging process.
[0095] III. DC Charging Cabinet Test Execution
[0096] DC Automatic Test Start: The operator starts the automatic test process of the DC charging cabinet, and the system executes according to the DC test script.
[0097] DC Real-time Monitoring: The test control software monitors the key parameters during the DC charging process in real time, such as voltage, current, temperature, etc.
[0098] DC Data Acquisition: The data acquisition unit records various parameters during the DC charging process and transmits the data to the data processing and analysis module.
[0099] DC Abnormality Handling: The system monitors the DC charging process. Once an abnormality is detected, it immediately takes protective measures and records the abnormality information.
[0100] IV. Test Completion
[0101] Test Completion Prompt: Whether it is a DC or AC charging cabinet, the system will automatically prompt after the test is completed.
[0102] Data Analysis: The data processing and analysis module processes the collected data and generates a test report applicable to the DC or AC charging cabinet.
[0103] Result Output: The operator can view the test report for the DC or AC charging cabinet through the human-machine interface.
[0104] System Reset: After the test is completed, the system is automatically or manually reset by the operator to prepare for the next test.
[0105] V. Log Recording and Archiving
[0106] Log Recording: The system automatically records all operation logs and abnormal events during the test, whether it is a DC or AC charging cabinet.
[0107] Data Archiving: The generated test reports and original data will be stored in the database for long-term preservation and future reference.
[0108] VI. Shutdown and Maintenance
[0109] System Shutdown: After the test task is completed, the operator shuts down the test system and performs necessary hardware inspections and maintenance work.
[0110] Regular Maintenance: According to the maintenance plan, the test system is regularly inspected for hardware, software is updated, and performance is calibrated to ensure the long-term stable operation of the system.
[0111] During the testing process of the AC charging cabinet:
[0112] I. System Startup and Initialization
[0113] System Boot: The operator starts the test system and performs a self-check program to ensure that all hardware components are operating normally.
[0114] Software Loading: The test control software is automatically loaded and the main operation interface is displayed.
[0115] Parameter Configuration: According to the type of the charging cabinet to be tested (DC or AC), the operator selects the corresponding test mode and configures the corresponding test parameters and test plans on the human-machine interface.
[0116] Device Connection: The system automatically detects and establishes communication connections with each component inside the charging cabinet (such as BMS, power management unit, etc.).
[0117] II. Test Preparation for AC Charging Cabinet
[0118] AC Circuit Configuration: The circuit control unit switches to the AC circuit mode to meet the test requirements of the AC charging cabinet.
[0119] AC Communication Handshake: The communication module performs a simulated mutual recognition handshake with the AC charging cabinet to ensure that the communication protocol and data format are compatible with the AC charging cabinet.
[0120] AC Data Acquisition Preparation: The data acquisition unit is configured accordingly to meet the data acquisition requirements during the AC charging process.
[0121] III. Test Execution for AC Charging Cabinet
[0122] AC Automatic Test Start: The operator starts the automatic test process of the AC charging cabinet, and the system executes the AC test script.
[0123] AC Real-time Monitoring: The test control software monitors the key parameters during the AC charging process in real time to ensure the accuracy and safety of the test.
[0124] AC data acquisition: The data acquisition unit records various parameters during the AC charging process and transmits the data to the data processing and analysis module.
[0125] AC anomaly handling: The system monitors the AC charging process. Once an anomaly is detected, it responds quickly and records the anomaly situation.
[0126] IV. Test End
[0127] Test completion prompt: Whether it is a DC or AC charging cabinet, the system will automatically give a prompt after the test is completed.
[0128] Data analysis: The data processing and analysis module processes the collected data and generates a test report applicable to the DC or AC charging cabinet.
[0129] Result output: The operator can view the test report for the DC or AC charging cabinet through the human-machine interface.
[0130] System reset: After the test is completed, the system resets automatically or manually by the operator to prepare for the next test.
[0131] V. Log Recording and Archiving
[0132] Log recording: The system automatically records all operation logs and anomaly events during the test, whether it is a DC or AC charging cabinet.
[0133] Data archiving: The generated test report and original data will be stored in the database for long-term preservation and future reference.
[0134] VI. Shutdown and Maintenance
[0135] System shutdown: After the test task is completed, the operator shuts down the test system and performs necessary hardware inspections and maintenance work.
[0136] Regular maintenance: According to the maintenance plan, regularly conduct hardware inspections, software updates, and performance calibrations on the test system to ensure the long-term stable operation of the system.
[0137] The above embodiments are only used to illustrate the present utility model and do not limit the technical solutions described in the present utility model. Although this specification has described the present utility model in detail with reference to the above various embodiments, the present utility model is not limited to the above specific implementation manners. Therefore, any modification or equivalent replacement to the present utility model; and all technical solutions and their improvements that do not depart from the spirit and scope of the utility model are covered within the scope of the claims of the present utility model.
Claims
1. The electric bicycle charging cabinet test system includes an integrated charging cabinet to be tested and a test module, characterized in that: The test module is connected to a plurality of AC contactors, DC contactors and auxiliary relays, and also includes: A communication module bidirectionally connects the tested integrated charging cabinet and the test module; The device control function module establishes a communication connection with the integrated charging cabinet under test through different physical links; The circuit control function module is used to terminate the test in time when the test is abnormal. The circuit control function module is connected to a PLC / relay box through communication instructions. The PLC / relay box controls the opening and closing of a plurality of the AC contactors and a plurality of the DC contactors. Auxiliary relays are respectively connected between the PLC / relay box and the plurality of the AC contactors and the plurality of the DC contactors.
2. The electric bicycle charging cabinet testing system according to claim 1, characterized in that: The communication module includes multiple types of communication buses and multiple types of communication protocols.
3. The electric bicycle charging cabinet testing system according to claim 1, characterized in that: It also includes a product mutual recognition and coordination function module, which includes AC charging cabinet products and DC charging cabinet products.
4. The electric bicycle charging cabinet testing system according to claim 1, characterized in that: It also includes a test control function module, which is connected to a device driver module. The device driver module connects the test module and the integrated charging cabinet under test through instructions.
5. The electric bicycle charging cabinet testing system according to claim 1, characterized in that: It also includes a test data acquisition function module, which is connected to a data acquisition instrument via a USB interface. The data acquisition instrument is connected to a voltage sensor, a Hall transformer, and a thermocouple sensor for collecting level signals.