Charging pile detection platform

Abstract

The utility model discloses a charging pile detection platform, and belongs to the technical field of charging piles. Comprising a programmable AC power supply, a charging pile standby power consumption tester, a detected DC charging pile, a detected AC charging pile, a DC interoperation test device, a programmable DC load, a battery simulator, an AC interoperation detection device, a programmable AC load, a centralized control device, an oscilloscope and a power analyzer. The technical problems of high integration level, comprehensive data acquisition and high automation during detection of the charging pile are solved, a highly integrated design is adopted, integration of multiple detection functions is realized, system layout is simplified, detection efficiency is improved, synchronous acquisition of electrical quantity parameters and CAN messages is realized, comprehensiveness and accuracy of test data are ensured, and the detection efficiency is improved. The detection requirements of different specifications and types of charging piles are met, meanwhile, a space is reserved for future system upgrading and expansion, unified control and data processing of all detection devices are achieved, and the detection efficiency and precision are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of charging piles, and particularly relates to a charging pile detection platform. Background Technique

[0002] With the popularization of electric vehicles (EVs), charging piles, as an important part of electric vehicle charging infrastructure, are rapidly increasing in number and variety. The performance, compatibility, and safety of charging piles directly affect the use experience and safety of electric vehicles. Therefore, it is of great significance to conduct a comprehensive and systematic detection of charging piles.

[0003] The detection of charging piles includes tests on aspects such as the electrical performance, interoperability, safety, and metering accuracy of charging piles. The electrical performance test mainly includes the working state and efficiency of the charging pile under different voltages, currents, and frequencies; the interoperability test focuses on the compatibility between the charging pile and different models of electric vehicles; the safety test involves functions such as overload protection, short-circuit protection, and reverse connection protection; the metering test ensures the accuracy of the electric energy metering of the charging pile.

[0004] Currently, the charging pile detection technology has the following main deficiencies:

[0005] 1. Poor equipment diversity and integration: There are a wide variety of existing detection devices, and the compatibility and integration between different devices are poor, resulting in a complex and inefficient construction of the detection platform.

[0006] 2. Incomplete test data acquisition: The data acquisition capabilities of many existing detection systems are limited, and it is difficult to synchronously acquire electrical quantity parameters and communication protocol data during the charging process, affecting the comprehensiveness and accuracy of the test results.

[0007] 3. Low automation level: Many detection processes still require a large amount of manual operation, with a low automation level, resulting in low detection efficiency and being unable to meet the rapid detection requirements of a large number of charging piles. Content of the Utility Model

[0008] The purpose of the utility model is to provide a charging pile detection platform, which solves the technical problems of high integration, comprehensive data acquisition, and high automation during the detection of charging piles.

[0009] To achieve the above purpose, the utility model adopts the following technical scheme:

[0010] A charging pile detection platform includes a programmable AC power supply, a charging pile standby power consumption tester, a DC charging pile to be detected, an AC charging pile to be detected, a DC interoperability test device, a programmable DC load, a battery simulator, an AC interoperability detection device, a programmable AC load, a centralized control device, an oscilloscope, and a power analyzer;

[0011] The programmable AC power supply is electrically connected to the DC charging pile under test and the AC charging pile under test respectively, and is used to supply power to the DC charging pile under test and the AC charging pile under test;

[0012] The DC interoperability test equipment is electrically connected to the DC charging pile under test, and is used to synchronously collect electrical quantity parameters and CAN messages of the DC charging pile under test;

[0013] The AC interoperability detection equipment is electrically connected to the AC charging pile under test, and is used to synchronously collect electrical quantity parameters and CAN messages of the AC charging pile under test;

[0014] The standby power consumption tester of the charging pile is electrically connected in the power supply circuit of the DC charging pile under test and the AC charging pile under test, and is used to detect the standby power consumption of the DC charging pile under test and the AC charging pile under test;

[0015] The standby power consumption tester of the charging pile, the DC interoperability test equipment and the AC interoperability detection equipment are all electrically connected to the power analyzer;

[0016] The DC interoperability detection equipment is electrically connected to the battery simulator and the programmable DC load respectively;

[0017] The AC interoperability detection equipment is electrically connected to the programmable AC load;

[0018] The programmable AC load, the programmable DC load, the battery simulator, the DC interoperability test equipment, the AC interoperability test equipment, the power analyzer and the oscilloscope are all electrically connected to the centralized control device;

[0019] The DC interoperability test equipment and the AC interoperability detection equipment are both electrically connected to the oscilloscope.

[0020] Preferably, the model of the programmable AC power supply is California Instruments 5001i / ix general AC power supply, the model of the power analyzer is Yokogawa WT3000E, the model of the oscilloscope is Tektronix MSO54, the model of the battery simulator is Model 17020, the model of the programmable DC load is Keysight N3304A DC electronic load module, the model of the programmable AC load is Chroma 63800 AC electronic load module, and the model of the centralized control device is CM580-6DFI embedded industrial control computer.

[0021] Preferably, the DC interoperability test equipment includes a first main controller, a first 8-channel AD module, a first CAN module and a first power supply module. The first 8-channel AD module and the first CAN module are both electrically connected to the first main controller, and the first power supply module supplies power to the first main controller, the first 8-channel AD module and the first CAN module;

[0022] The circuit principle of the AC interoperability detection device is the same as that of the DC interoperability test device.

[0023] Preferably, the model of the first main controller is NI cRIO-9039 controller, the model of the first 8-channel AD module is NI 9205 acquisition module, and the model of the first CAN module is NI 9853 CAN interface module.

[0024] A charging pile detection platform according to the present utility model solves the technical problems of high integration, comprehensive data acquisition, and high automation during the detection of charging piles. The present utility model adopts a highly integrated design, organically combines key devices such as a programmable AC power supply, a battery simulator, a programmable DC load, a programmable AC load, a DC interoperability test device, a DC charging pile comprehensive tester, etc., realizes the integration of various detection functions, simplifies the system layout, improves the detection efficiency. The DC interoperability test device and the AC interoperability detection device are built-in with high-precision data acquisition devices, have the ability to collect 8 channels, realize the synchronous acquisition of electrical quantity parameters and CAN messages, ensure the comprehensiveness and accuracy of test data, adopt a modular design, and each detection device can operate independently or in parallel, meeting the detection requirements of charging piles of different specifications and types. At the same time, it reserves space for future system upgrade and expansion, realizes the unified control and data processing of all detection devices, supports automated test processes and intelligent data analysis, and improves the detection efficiency and accuracy. Description of the Drawings

[0025] Figure 1 is the system architecture diagram of the present utility model;

[0026] Figure 2 is the schematic block diagram of the DC interoperability test device of the present utility model;

[0027] Figure 3 is the schematic block diagram of the AC interoperability detection device of the present utility model. Detailed Embodiments

[0028] Composed of Figures 1-3 A charging pile detection platform as shown includes a programmable AC power supply, a charging pile standby power consumption tester, a DC charging pile to be detected, an AC charging pile to be detected, a DC interoperability test device, a programmable DC load, a battery simulator, an AC interoperability detection device, a programmable AC load, a centralized control device, an oscilloscope, and a power analyzer;

[0029] The programmable AC power supply is a California Instruments 5001i / ix general AC power supply. The standby power consumption tester for charging piles is integrated in the programmable AC power supply, and the built-in digital power analyzer in the California Instruments 5001i / ix general AC power supply is used to detect the standby power consumption of the DC charging piles and AC charging piles to be tested.

[0030] The model of the power analyzer is Yokogawa WT3000E, the model of the oscilloscope is Tektronix MSO54, the model of the battery simulator is Model 17020, the model of the programmable DC load is Keysight N3304A DC electronic load module, the model of the programmable AC load is Chroma 63800 AC electronic load module, and the model of the centralized control device is CM580-6DFI embedded industrial control computer.

[0031] The programmable AC power supply is electrically connected to the DC charging piles and AC charging piles to be tested respectively, and is used to supply power to the DC charging piles and AC charging piles to be tested;

[0032] The DC interoperability test equipment is electrically connected to the DC charging piles to be tested, and is used to synchronously collect the electrical quantity parameters and CAN messages of the DC charging piles to be tested;

[0033] The AC interoperability detection equipment is electrically connected to the AC charging piles to be tested, and is used to synchronously collect the electrical quantity parameters and CAN messages of the AC charging piles to be tested;

[0034] The standby power consumption tester for charging piles is electrically connected in the power supply circuits of the DC charging piles and AC charging piles to be tested, and is used to detect the standby power consumption of the DC charging piles and AC charging piles to be tested;

[0035] The standby power consumption tester for charging piles, the DC interoperability test equipment and the AC interoperability detection equipment are all electrically connected to the power analyzer;

[0036] The DC interoperability detection equipment is electrically connected to the battery simulator and the programmable DC load respectively; the AC interoperability detection equipment is electrically connected to the programmable AC load;

[0037] The programmable AC load, the programmable DC load, the battery simulator, the DC interoperability test equipment, the AC interoperability test equipment, the power analyzer and the oscilloscope are all electrically connected to the centralized control device;

[0038] The DC interoperability test equipment and the AC interoperability detection equipment are both electrically connected to the oscilloscope.

[0039] The DC interoperability test device includes a first main controller, a first 8-channel AD module, a first CAN module, and a first power supply module. The first 8-channel AD module and the first CAN module are both electrically connected to the first main controller, and the first power supply module supplies power to the first main controller, the first 8-channel AD module, and the first CAN module.

[0040] The circuit principle of the AC interoperability detection device is the same as that of the DC interoperability test device. In this embodiment, as Figure 3 shown, the AC interoperability detection device includes a second main controller, a second 8-channel AD module, a second CAN module, and a second power supply module. The second 8-channel AD module and the second CAN module are both electrically connected to the second main controller, and the second power supply module supplies power to the second main controller, the second 8-channel AD module, and the second CAN module. Among them, the second 8-channel AD module and the second CAN module are powered to synchronously collect electrical quantity parameters and CAN messages of the detected AC charging pile. Similarly, the first 8-channel AD module and the first CAN module are powered to synchronously collect electrical quantity parameters and CAN messages of the detected DC charging pile.

[0041] The model of the first main controller is NI cRIO-9039 controller, the model of the first 8-channel AD module is NI 9205 acquisition module, and the model of the first CAN module is NI 9853 CAN interface module.

[0042] In this embodiment, the NI cRIO-9039 adopted is a high-performance real-time controller with a dual-core Intel processor and a large programmable FPGA, suitable for complex control and data acquisition applications. The NI 9205 is a high-density analog input module that provides 32-channel single-ended or 16-channel differential inputs, suitable for various analog signal acquisitions. The NI 9853 is a high-performance CAN interface module that provides high-speed CAN communication, suitable for automotive and industrial control applications.

[0043] In this embodiment, the programmable AC power supply is used to simulate various working conditions of the power grid, such as voltage fluctuations, frequency changes, and power grid faults. The programmable AC power supply is connected to the detected DC charging pile and AC charging pile to provide stable or changing AC power to test the performance and stability of the charging pile under different power grid conditions.

[0044] The battery simulator is used to simulate various states of the electric vehicle battery, such as different voltage and current characteristics. The battery simulator is connected to the detected DC charging pile to simulate the charging and discharging process of the real battery and evaluate the charging performance and efficiency of the charging pile.

[0045] The programmable DC load absorbs the DC electric energy output by the charging pile and simulates battery loads of different specifications. The programmable DC load is connected to the DC interoperability test equipment to test the output performance and stability of the charging pile under different load conditions.

[0046] The programmable AC load absorbs the AC electric energy output by the charging pile and simulates the AC load during the charging process of an electric vehicle. The programmable AC load is connected to the AC interoperability detection equipment to evaluate the output performance and stability of the AC charging pile under different load conditions.

[0047] The DC interoperability test equipment is built-in with a high-precision data acquisition device, which has an 8-channel acquisition ability and can synchronously collect electrical quantity parameters and CAN message data. The DC interoperability test is connected to the DC charging pile to be detected. By collecting and analyzing data, the interoperability, protocol consistency, and electrical performance of the charging pile are tested.

[0048] The AC interoperability detection equipment has the same principle as the DC interoperability test equipment. The AC interoperability detection equipment is connected to the AC charging pile to be detected. By collecting and analyzing data, the interoperability, protocol consistency, and electrical performance of the AC charging pile are tested.

[0049] The charging pile standby power consumption tester is used to measure the power consumption of the charging pile in the standby state. The charging pile standby power consumption tester is built into the California Instruments 5001i / ix general AC power supply.

[0050] The oscilloscope is used to capture the waveforms of electrical signals and analyze the transient changes of current and voltage. The oscilloscope is connected to the DC interoperability test equipment and the AC interoperability detection equipment to provide high-precision waveform analysis and help detect the quality and stability of electrical signals.

[0051] The power analyzer is used to accurately measure electrical parameters such as voltage, current, power, harmonics, etc. The power analyzer is connected to the programmable DC load and the programmable AC load to provide a detailed electrical parameter measurement report to ensure that the output performance of the charging pile meets the requirements.

[0052] The centralized control device is used to control the programmable AC load, programmable DC load, battery simulator, DC interoperability test equipment, AC interoperability test equipment, power analyzer, and oscilloscope, and collect the data collected by the entire system for further data analysis and data display.

[0053] A charging pile detection platform according to the present utility model solves the technical problems of high integration, comprehensive data acquisition, and high automation during the detection of charging piles. The present utility model adopts a highly integrated design, organically combines key devices such as a programmable AC power supply, a battery simulator, a programmable DC load, a programmable AC load, a DC interoperability test device, and a DC charging pile comprehensive tester, realizes the integration of various detection functions, simplifies the system layout, and improves the detection efficiency. The DC interoperability test device and the AC interoperability detection device are built-in with high-precision data acquisition devices, have an 8-channel acquisition capability, realize the synchronous acquisition of electrical quantity parameters and CAN messages, ensure the comprehensiveness and accuracy of test data, adopt a modular design, and each detection device can operate independently or in parallel, meeting the detection requirements of charging piles of different specifications and types. At the same time, space is reserved for future system upgrades and expansions, realizes the unified control and data processing of all detection devices, supports automated test processes and intelligent data analysis, and improves the detection efficiency and accuracy.

Claims

1. A charging pile detection platform, characterized by: Including programmable AC power supply, charging pile standby power consumption tester, tested DC charging pile, tested AC charging pile, DC interoperability test equipment, programmable DC load, battery simulator, AC interoperability test equipment, programmable AC load, centralized control equipment, oscilloscope and power analyzer; The programmable AC power supply is electrically connected to the detected DC charging pile and the detected AC charging pile, respectively, for supplying power to the detected DC charging pile and the detected AC charging pile; The DC interoperability test equipment is electrically connected to the DC charging pile to be tested, and is used to synchronously collect electrical quantity parameters and CAN messages of the DC charging pile to be tested; The AC interoperability detection device is electrically connected to the detected AC charging pile, and is used to synchronously collect electrical quantity parameters and CAN messages of the detected AC charging pile; The charging pile standby power consumption tester is electrically connected to the power supply circuit of the tested DC charging pile and the tested AC charging pile, and is used to detect the standby power consumption of the tested DC charging pile and the tested AC charging pile; The charging pile standby power consumption tester, DC interoperability test equipment and AC interoperability test equipment are all electrically connected to the power analyzer; The DC interoperability detection device is electrically connected to the battery simulator and the programmable DC load respectively; The AC interoperability detection device is electrically connected to the programmable AC load; The programmable AC load, programmable DC load, battery simulator, DC interoperability test equipment, AC interoperability test equipment, power analyzer and oscilloscope are all electrically connected to the centralized control equipment; The DC interoperability test equipment and the AC interoperability test equipment are both electrically connected to the oscilloscope.

2. A charging pile detection platform as claimed in claim 1, characterized in that: The model of the programmable AC power supply is California Instruments 5001i / ix universal AC power supply, the model of the power analyzer is Yokogawa WT3000E, the model of the oscilloscope is Tektronix MSO54, the model of the battery simulator is Model 17020, the model of the programmable DC load is Keysight N3304A DC electronic load module, the model of the programmable AC load is Chroma 63800 AC electronic load module, and the model of the centralized control equipment is CM580-6DFI embedded industrial computer.

3. A charging pile detection platform as claimed in claim 1, characterized in that: The DC interoperability test device comprises a first main controller, a first 8-channel AD module, a first CAN module and a first power module, wherein the first 8-channel AD module and the first CAN module are both electrically connected to the first main controller, and the first power module supplies power to the first main controller, the first 8-channel AD module and the first CAN module; The circuit principle of the AC interoperability detection equipment is the same as that of the DC interoperability test equipment.

4. A charging pile detection platform as claimed in claim 3, characterized in that: The model of the first main controller is NI cRIO-9039 controller, the model of the first 8-channel AD module is NI 9205 acquisition module, and the model of the first CAN module is NI 9853 CAN interface module.

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