Automatic detection equipment for electric vehicle charger

Abstract

The utility model relates to automatic detection equipment for an electric vehicle charger, which comprises an external connecting piece and a detection main body arranged at the upper end of the external connecting piece, a touch display screen, a direct current parameter measuring instrument, an electronic load instrument and a circuit breaker switch are arranged on the side edge of the detection main body, and a flame-retardant glass cover is arranged at the upper end of the detection main body. The surface of the upper end of the detection main body is provided with an input interface and a power supply port, the input interface and the power supply port are arranged in the flame-retardant glass cover, the external connection piece is externally connected with a battery pack and an explosion-proof box, the touch display screen is internally connected with a PLC controller, the direct current parameter measuring instrument is electrically connected with the input interface, and the power supply port is electrically connected with the power supply port. And a plurality of input interfaces are provided. The automatic detection equipment for the electric vehicle charger is reasonable in structure, convenient to operate, high in automatic detection capability, accurate and reliable in measurement, high in precision and capable of accurately calculating parameters such as current, time and electric quantity, and safety is guaranteed during detection.

Description

Technical Field

[0001] This utility model relates to the field of charger testing technology, specifically an automatic testing device for electric vehicle chargers. Background Technology

[0002] As electric bicycles become increasingly common in households, quality disputes and fire accidents caused by charger issues occur frequently. The charging process of a battery is complex, and the quality of the charger directly affects the battery's lifespan; in severe cases, it can even pose a fire hazard.

[0003] The charging process of a charger for a battery is complex and orderly. The quality of the charger directly affects the battery's lifespan. If the charging current is consistently high or the battery continues to charge even when it is fully charged, and the charging process is not cut off in time, the battery's internal and external casings may overheat, causing them to deform and bulge. In severe cases, this could even lead to a fire hazard.

[0004] Therefore, parameter monitoring and functional testing are necessary during the charging process. This device provides a new technological solution for automatic, rapid, and accurate testing to address these issues.

[0005] Therefore, an automatic testing device for electric vehicle chargers is proposed to solve the problems mentioned above. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides an automatic detection device for electric vehicle chargers, which can achieve timely detection of the operating current.

[0007] To achieve the above objectives, the present invention provides the following technical solution: including an external component and a detection body disposed on the upper end of the external component, wherein a touch screen display, a DC current parameter measuring instrument, an electronic load instrument, and a circuit breaker switch are disposed on the side of the detection body;

[0008] The upper end of the detection body is provided with a flame-retardant glass cover, and the upper surface of the detection body is provided with an input interface and a power supply port. The input interface and the power supply port are located inside the flame-retardant glass cover.

[0009] Preferably, the external connector is connected to a battery pack and an explosion-proof box.

[0010] Preferably, the touch screen is internally connected to a PLC controller.

[0011] Preferably, the DC electrical parameter measuring instrument is electrically connected to the input interface, and there are several input interfaces.

[0012] Preferably, the power supply port is electrically connected to the battery pack.

[0013] Preferably, the circuit breaker switch is used for switch support.

[0014] Compared with the prior art, the present invention provides an automatic detection device for electric vehicle chargers, which has the following advantages:

[0015] 1. This automatic testing equipment for electric vehicle chargers has a reasonable structure, is easy to operate, has strong automatic testing capabilities, is convenient to operate, and ensures safety during testing.

[0016] 2. This automatic testing equipment for electric vehicle chargers is accurate, reliable, and highly precise, and can accurately calculate parameters such as current, time, and power.

[0017] 3. This automatic testing equipment for electric vehicle chargers improves inspection and testing efficiency, achieves good results, and saves time and effort. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall side view structure of this utility model;

[0019] Figure 2 This is a front view structural diagram of the present invention;

[0020] Figure 3 This is a diagram showing the electrical connection for overcharging or disconnection of the charger according to this utility model;

[0021] Figure 4 This is an electrical connection diagram of the charger of this utility model for incorrect or short-circuited connection;

[0022] Figure 5 This is a flowchart illustrating the process of this utility model.

[0023] In the diagram: 1. Touch screen; 2. DC power parameter measuring instrument; 3. Electronic load instrument; 4. External components; 5. Input interface; 6. Flame-retardant glass cover; 7. Circuit breaker switch; 8. Detection body; 9. Power supply port. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example:

[0026] Please see Figure 1 - Figure 4An automatic testing device for an electric vehicle charger in this embodiment includes an external component 4 and a testing body 8 disposed on the upper end of the external component 4. The side of the testing body 8 is provided with a touch screen display 1, a DC current parameter measuring instrument 2, an electronic load instrument 3, and a circuit breaker switch 7.

[0027] The upper end of the detection body 8 is provided with a flame-retardant glass cover 6, and the upper surface of the detection body 8 is provided with an input interface 5 and a power supply port 9. The input interface 5 and the power supply port 9 are located inside the flame-retardant glass cover 6.

[0028] External component 4 is connected to a battery pack and an explosion-proof box;

[0029] The touch screen 1 has a built-in PLC controller;

[0030] The DC current parameter measuring instrument 2 is electrically connected to the input interface 5, and there are several input interfaces 5;

[0031] Power supply port 9 is electrically connected to the battery pack;

[0032] Circuit breaker switch 7 is used for switch support;

[0033] First, in accordance with the requirements and test methods of the national mandatory standard GB42296-2022, the testing functions and measurement data are completed to complete the overcharge cut-off, delayed cut-off, incorrect connection, short circuit and other items;

[0034] The device uses a touch screen 1 to set parameters for the charger to be tested. Then, the PLC controller communicates with the touch screen 1 to collect the input parameters, controls the working mode of the electronic load instrument 3 and loads the charger. At the same time, the PLC controller also collects data from the DC parameter measuring instrument 2, continuously controls the electronic load instrument 3 and reads the data from the DC parameter measuring instrument 2 for calculation. Finally, the measured data and conclusions are displayed on the touch screen 1.

[0035] This equipment uses a touch screen 1 and a PLC controller to achieve intelligent inspection and testing. It has strong automated testing capabilities. Users can set parameters for the charger under test by operating the touch screen 1. After setting, press the function key to run the test. The PLC controller automatically completes control, inspection, and testing according to the input instructions. The PLC controls the electronic load to meet the charger's load requirements. It communicates with the DC power parameter measuring instrument 2 to read data such as current, voltage, and time. The PLC performs calculations, comparisons, control, and calculates the power value, and finally displays the required result.

[0036] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods. As long as they can achieve their beneficial effects, they can be implemented. Therefore, this embodiment will not elaborate on their specific structural composition and working principle.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic testing device for an electric vehicle charger, comprising an external connector (4) and a testing body (8) disposed on the upper end of the external connector (4), characterized in that: The detection body (8) is equipped with a touch screen (1), a DC power parameter measuring instrument (2), an electronic load instrument (3), and a circuit breaker switch (7) on its side; The upper end of the detection body (8) is provided with a flame-retardant glass cover (6), and the upper surface of the detection body (8) is provided with an input interface (5) and a power supply port (9). The input interface (5) and the power supply port (9) are located inside the flame-retardant glass cover (6).

2. The automatic testing device for electric vehicle chargers according to claim 1, characterized in that: The external component (4) is connected to a battery pack and an explosion-proof box.

3. The automatic testing device for electric vehicle chargers according to claim 1, characterized in that: The touch screen (1) is equipped with a PLC controller.

4. The automatic testing device for electric vehicle chargers according to claim 1, characterized in that: The DC power parameter measuring instrument (2) is electrically connected to the input interface (5), and there are several input interfaces (5).

5. The automatic testing device for electric vehicle chargers according to claim 1, characterized in that: The power supply port (9) is electrically connected to the battery pack.

6. The automatic testing device for electric vehicle chargers according to claim 1, characterized in that: The circuit breaker switch (7) is used for switch support.

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