An alternating current charging pile energy star measurement interface device

Abstract

The application relates to an alternating current charging pile energy star measurement interface device, which is integrated with an input cable (1), a vehicle interface simulation device (2), a voltage and current sampling interface (3) and a current sensor, the input cable (1) is connected with an alternating current charging pile, the current sensor is connected with the input cable (1), and the vehicle interface simulation device (2) is connected with an alternating current load (4). Compared with the prior art, the application provides a simple input and output interface device, which integrates the input cable of the alternating current charging pile, the vehicle interface simulation device, the current sensor and the voltage and current sampling interface, so that the complexity of a test platform building process in a test process is greatly simplified.

Description

Technical Field

[0001] This invention relates to the field of AC charging pile technology, and specifically to an Energy Star measurement interface device for AC charging piles. Background Technology

[0002] With the continuous in-depth research, market promotion, and widespread application of new energy technologies globally, the construction and use of electric vehicles and electric vehicle charging stations have become increasingly common. The U.S. Energy Star program, currently at the forefront of energy efficiency certification, has released its ENERGY certification for electric vehicle charging stations. Program Requirements for Electric Vehicle Supply Equipment Version. Unlike conventional energy efficiency measurement methods, the Energy Star standard for AC charging stations requires measuring the differential current on the input / output L lines and the differential voltage on the input / output N lines for calculation. However, conventional charging stations have non-removable output cables and interfaces, and the vehicle simulation interface device is integrated and modular. Therefore, measuring AC charging stations requires disassembling the vehicle interface device to install the current sensor, which is time-consuming and prone to damaging the equipment with frequent disassembly. Summary of the Invention

[0003] The purpose of this invention is to provide an Energy Star measurement interface device for AC charging piles, which simplifies the cumbersome process of setting up a test platform during testing.

[0004] The objective of this invention can be achieved through the following technical solution: an AC charging pile Energy Star measurement interface device, which integrates an input cable, a vehicle interface simulation device, a voltage and current sampling interface, and a current sensor. The input cable is connected to the AC charging pile, the current sensor is connected to the input cable, and the vehicle interface simulation device is connected to the AC load.

[0005] Preferably, the measurement interface device includes a housing and a mounting panel disposed within the housing. The input cable, vehicle interface simulation device, and voltage and current sampling interface are all disposed on the mounting panel, and the current sensor is disposed below the mounting panel.

[0006] More preferably, the input cable and vehicle interface simulation device are located at the two corners of the mounting panel, and the voltage and current sampling interface is located in the middle of the mounting panel.

[0007] More preferably, the box body is a flip-top box body, and is provided with a locking element for locking the flip-top.

[0008] Preferably, the current sensor is connected to the L1 line of the input cable.

[0009] Preferably, the measurement interface device is equipped with a display screen, and the current sensor is connected to the display screen.

[0010] More preferably, the display screen and the current sensor are connected to a current adjustment knob.

[0011] Preferably, the voltage and current sampling interface is detachably connected to the voltage sensor.

[0012] More preferably, the vehicle interface simulation device is connected to an AC load via an output cable, and the voltage sensor is connected to the neutral (N) line of both the input and output cables.

[0013] Preferably, a resistor is provided between the input cable and the vehicle interface simulation device.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] 1. This invention provides a simple input / output interface device that integrates the input cable of an AC charging pile, a vehicle interface simulation device, a current sensor, and a voltage and current sampling interface, greatly simplifying the cumbersome process of setting up a test platform during testing.

[0016] 2. This invention can avoid frequent disassembly that could damage the equipment, thus reducing maintenance costs. Attached Figure Description

[0017] Figure 1 Schematic diagram of the Energy Star measurement principle;

[0018] Figure 2 This is a schematic diagram of the structure of the Energy Star measurement interface device for AC charging piles of the present invention;

[0019] Figure 3 This is a schematic diagram of the working principle of the Energy Star measurement interface device for AC charging piles of the present invention.

[0020] In the diagram: 1-Input cable, 2-Vehicle interface simulation device, 3-Voltage and current sampling interface, 4-AC load, 5-Box, 6-Mounting panel, 7-Display screen, 8-Output cable, 9-AC charging pile. Detailed Implementation

[0021] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. The following embodiments are implemented based on the technical solution of the present invention, providing detailed implementation methods and specific operating procedures; however, the scope of protection of the present invention is not limited to the following embodiments.

[0022] Example 1

[0023] An AC charging pile Energy Star measurement interface device, employing, as Figure 1The principle shown is used to measure the energy efficiency of AC charging piles. For example... Figures 2-3 As shown, it integrates an input cable 1, a vehicle interface simulation device 2, a voltage and current sampling interface 3, and a current sensor. The input cable 1 is connected to the AC charging pile 9, the current sensor is connected to the input cable 1, and the vehicle interface simulation device 2 is connected to the AC load 4 via an output cable 8.

[0024] Example 2

[0025] An AC charging pile Energy Star measurement interface device further includes a housing 5 and a mounting panel 6 disposed within the housing. An input cable 1 and a vehicle interface simulation device 2 are disposed at two corners of the mounting panel 6. The mounting panel 6 is provided with a voltage and current sampling interface 3, and a current sensor is disposed below it. A resistor is provided between the input cable 1 and the vehicle interface simulation device 2. The current sensor is connected to the L1 line of the input cable 1. The voltage and current sampling interface 3 is detachably connected to the voltage sensor, which is connected to the N line of the input cable 1 and the output cable 8. In this embodiment, the housing 5 is a flip-top housing and is provided with a locking device for locking the flip-top. The mounting panel 6 is also provided with a display screen 7 connected to the current sensor. The rest is the same as in Embodiment 1.

[0026] The above description of the embodiments is provided to enable those skilled in the art to understand and use the present invention. It will be apparent to those skilled in the art that various modifications can be made to these embodiments, and the general principles described herein can be applied to other embodiments without inventive effort. Therefore, the present invention is not limited to the above embodiments, and any improvements and modifications made by those skilled in the art based on the disclosure of the present invention without departing from the scope of the invention should be within the protection scope of the present invention.

Claims

1. An Energy Star measurement interface device for AC charging piles, characterized in that, It integrates an input cable (1), a vehicle interface simulation device (2), a voltage and current sampling interface (3) and a current sensor. The input cable (1) is connected to an AC charging pile, the current sensor is connected to the input cable (1), and the vehicle interface simulation device (2) is connected to an AC load (4). The measurement interface device includes a housing (5) and a mounting panel (6) set inside the housing (5). The input cable (1), the vehicle interface simulation device (2) and the voltage and current sampling interface (3) are all set on the mounting panel (6), and the current sensor is set below the mounting panel (6). The current sensor is connected to line L1 of the input cable (1); The voltage and current sampling interface (3) is detachably connected to the voltage sensor; The vehicle interface simulation device (2) is connected to an AC load via an output cable (8), and the voltage sensor is connected to the neutral line of the input cable (1) and the output cable (8). The input cable (1) and vehicle interface simulation device (2) are located at the two corners of the mounting panel (6), and the voltage and current sampling interface (3) is located in the middle of the mounting panel (6); The box body (5) is a flip-top box body, and is equipped with a locking device for locking the flip-top; A resistor is provided between the input cable (1) and the vehicle interface simulation device (2).

2. The AC charging pile Energy Star measurement interface device according to claim 1, characterized in that, The measurement interface device is equipped with a display screen (7), and the current sensor is connected to the display screen (7).

3. The AC charging pile Energy Star measurement interface device according to claim 2, characterized in that, The display screen (7) and the current sensor are connected to a current adjustment knob.

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