CN-120539481-B - Charging equipment electric quantity metering method and electronic equipment

CN120539481BCN 120539481 BCN120539481 BCN 120539481BCN-120539481-B

Abstract

The invention relates to a method for metering electric quantity of charging equipment and electronic equipment. The method comprises the steps of obtaining a first electric quantity measured value corresponding to a charging device according to an electric energy meter corresponding to the charging device, obtaining a second electric quantity measured value corresponding to the charging device according to an electric measurement module corresponding to the charging device, obtaining a third electric quantity measured value corresponding to the charging device according to an operating parameter reported by the charging device, wherein the charging device obtains the operating parameter of the charging device through an internal operating parameter monitoring circuit, obtaining two-by-two absolute difference values of the first electric quantity measured value, the second electric quantity measured value and the third electric quantity measured value, and obtaining one of the first electric quantity measured value, the second electric quantity measured value and the third electric quantity measured value as a measurement result of the charging device according to the two-by-two absolute difference values. The invention can realize accurate metering of the charging process of the charging equipment.

Inventors

ZUO ZHENGLAI
YANG KEQIONG
YANG JIYUAN
CHEN JUNJUN
HAN PEI

Assignees

深圳拓邦股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250521

Claims (9)

1. A method of metering charge of a charging device, the method comprising: Acquiring a first electric quantity measured value corresponding to charging equipment according to an electric energy meter corresponding to the charging equipment; acquiring a second electric quantity measured value corresponding to the charging equipment according to an electric measurement module corresponding to the charging equipment; Acquiring a third electric quantity measured value corresponding to the charging equipment according to the working parameter reported by the charging equipment, wherein the charging equipment acquires the working parameter of the charging equipment through an internal working parameter monitoring circuit; Acquiring the two-by-two absolute difference values of the first electric quantity measured value, the second electric quantity measured value and the third electric quantity measured value; Acquiring one of the first electric quantity measured value, the second electric quantity measured value and the third electric quantity measured value as a metering result of the charging equipment according to the pairwise absolute difference value; wherein, the obtaining one of the first electric quantity measured value, the second electric quantity measured value and the third electric quantity measured value according to the pairwise absolute difference value is a metering result of the charging device, and the method comprises the following steps: when the absolute difference values are smaller than a preset value, the electric quantity of the charging equipment is measured through an electric energy meter corresponding to the charging equipment; when two groups of absolute differences exist which are smaller than the preset value, If the two groups of the two absolute differences have an association relationship with the first electric quantity measured value, the first electric quantity measured value is used as a metering result of the charging equipment; If the two groups of the two absolute differences have an association relationship with the second electric quantity measured value, the second electric quantity measured value is used as a metering result of the charging equipment; and if the two groups of the two absolute differences have an association relationship with the third electric quantity measured value, taking the third electric quantity measured value as a metering result of the charging equipment.
2. The charging device power metering method of claim 1, further comprising: And acquiring current parameters, voltage parameters and electric quantity parameters of the electric energy meter corresponding to the charging equipment, confirming the working state of the electric energy meter according to the current parameters, the voltage parameters and the electric quantity parameters of the electric energy meter, and acquiring the first electric quantity measured value when the working state of the electric energy meter is normal.
3. The method for measuring the electric quantity of the charging device according to claim 2, wherein the step of confirming the operation state of the electric energy meter according to the current parameter, the voltage parameter and the electric quantity parameter of the electric energy meter comprises the steps of: Acquiring current parameters and voltage parameters of the equipment to be charged according to the output interface corresponding to the charging equipment, acquiring first current absolute difference values and first voltage absolute difference values of the current parameters and the voltage parameters of the electric energy meter and the current parameters and the voltage parameters of the equipment to be charged, and confirming that the working state of the electric energy meter is normal when the first current absolute difference values and the first voltage absolute difference values are respectively smaller than corresponding threshold values, or And acquiring a first electric quantity calculated value according to the current parameter and the voltage parameter of the electric energy meter, so as to acquire a first absolute difference value between the first electric quantity calculated value and the electric quantity parameter of the electric energy meter, and confirming that the working state of the electric energy meter is normal when the first absolute difference value is smaller than a corresponding threshold value.
4. The charging device power metering method of claim 1, further comprising: And acquiring current parameters, voltage parameters and electric quantity parameters of the electric measuring module corresponding to the charging equipment, confirming the working state of the electric measuring module according to the current parameters, the voltage parameters and the electric quantity parameters of the electric measuring module, and acquiring the second electric quantity measured value when the working state of the electric measuring module is normal.
5. The method of claim 4, wherein the determining the operating state of the electrical measurement module according to the current parameter, the voltage parameter, and the electrical parameter of the electrical measurement module comprises: Acquiring current parameters and voltage parameters of the equipment to be charged according to the output interface corresponding to the charging equipment, acquiring second current absolute difference values and second voltage absolute difference values of the current parameters and the voltage parameters of the electric measuring module and the current parameters and the voltage parameters of the equipment to be charged, and confirming that the working state of the electric measuring module is normal when the second current absolute difference values and the second voltage absolute difference values are respectively smaller than corresponding threshold values, or And acquiring a second electric quantity calculated value according to the current parameter and the voltage parameter of the electric measurement module, so as to acquire a second absolute difference value between the second electric quantity calculated value and the electric quantity parameter of the electric measurement module, and confirming that the working state of the electric measurement module is normal when the second absolute difference value is smaller than a corresponding threshold value.
6. The charging device power metering method of claim 1, further comprising: And acquiring current parameters, voltage parameters and electric quantity parameters corresponding to the charging equipment, confirming the working state of the charging equipment according to the current parameters, the voltage parameters and the electric quantity parameters corresponding to the charging equipment, and acquiring the third electric quantity measured value when the working state of the charging equipment is normal.
7. The method for metering the electric quantity of the charging equipment according to claim 6, wherein the confirming the working state of the charging equipment according to the current parameter, the voltage parameter and the electric quantity parameter corresponding to the charging equipment comprises: Acquiring current parameters and voltage parameters of the equipment to be charged according to the output interface corresponding to the charging equipment, acquiring third current absolute difference values and third voltage absolute difference values of the current parameters and the voltage parameters of the charging equipment and the current parameters and the voltage parameters of the equipment to be charged, and confirming that the working state of the charging equipment is normal when the third current absolute difference values and the third voltage absolute difference values are respectively smaller than corresponding threshold values, or And acquiring a third electric quantity calculated value according to the current parameter and the voltage parameter of the charging equipment to acquire a third absolute difference value between the third electric quantity calculated value and the electric quantity parameter of the charging equipment, and confirming that the working state of the charging equipment is normal when the third absolute difference value is smaller than a corresponding threshold value.
8. The charging device power metering method of claim 1, further comprising: and stopping the charging action of the charging equipment when only one group of absolute differences or both absolute differences are not smaller than the preset value.
9. An electronic device comprising means for performing the method of any one of claims 1 to 8.

Description

Charging equipment electric quantity metering method and electronic equipment Technical Field The present invention relates to the field of charging technologies, and in particular, to a method for measuring electric quantity of a charging device and an electronic device. Background With the rapid popularization of new energy automobiles, corresponding charging piles are increasingly applied. The metering accuracy of the charging stake is also a critical requirement of the industry. The current electric quantity metering of the direct current charging pile is mainly realized by adopting a direct current electric energy meter or an electric measuring module and combining a high-precision sensor and a communication technology. For example, a direct-current electric energy meter is usually built in the direct-current charging pile, and direct-current voltage, current, power and accumulated electric quantity in the charging process are directly measured and uploaded to a charging platform, so that the metering of the direct-current electric energy meter is realized. Or by adopting an embedded electric measuring module, integrating the functions of voltage/current collection, power calculation and electric energy accumulation, and finally realizing the measurement of the electric measuring module. When the working processes of the electric energy meter and the electric measurement module are abnormal, such as the data acquisition process or the data transmission process, the electric quantity measurement is inaccurate. Disclosure of Invention The invention aims to solve the technical problems of the prior art and provides a method for measuring the electric quantity of charging equipment and electronic equipment. The technical scheme adopted by the invention for solving the technical problems is that a method for measuring the electric quantity of charging equipment is constructed, and the method comprises the following steps: Acquiring a first electric quantity measured value corresponding to charging equipment according to an electric energy meter corresponding to the charging equipment; acquiring a second electric quantity measured value corresponding to the charging equipment according to an electric measurement module corresponding to the charging equipment; Acquiring a third electric quantity measured value corresponding to the charging equipment according to the working parameter reported by the charging equipment, wherein the charging equipment acquires the working parameter of the charging equipment through an internal working parameter monitoring circuit; Acquiring the two-by-two absolute difference values of the first electric quantity measured value, the second electric quantity measured value and the third electric quantity measured value; and acquiring one of the first electric quantity measured value, the second electric quantity measured value and the third electric quantity measured value as a metering result of the charging equipment according to the pairwise absolute difference value. Preferably, in an embodiment of the method for measuring the electric quantity of the charging device, the method further includes obtaining a current parameter, a voltage parameter and an electric quantity parameter of an electric energy meter corresponding to the charging device, so as to confirm the working state of the electric energy meter according to the current parameter, the voltage parameter and the electric quantity parameter of the electric energy meter, and obtaining the first electric quantity measured value when the working state of the electric energy meter is normal. Preferably, in an embodiment of the method for measuring electric quantity of a charging device according to the present invention, the determining the working state of the electric energy meter according to the current parameter, the voltage parameter and the electric quantity parameter of the electric energy meter includes: Acquiring current parameters and voltage parameters of the equipment to be charged according to the output interface corresponding to the charging equipment, acquiring first current absolute difference values and first voltage absolute difference values of the current parameters and the voltage parameters of the electric energy meter and the current parameters and the voltage parameters of the equipment to be charged, and confirming that the working state of the electric energy meter is normal when the first current absolute difference values and the first voltage absolute difference values are respectively smaller than corresponding threshold values, or And acquiring a first electric quantity calculated value according to the current parameter and the voltage parameter of the electric energy meter, so as to acquire a first absolute difference value between the first electric quantity calculated value and the electric quantity parameter of the electric energy meter, and confirming that the working state of the e