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Fuel consumption measuring method and device, computing equipment and storage medium

A fuel consumption and measurement method technology, applied in the direction of measuring devices, relative volume flow measurement, liquid/fluid solid measurement, etc., can solve the problems of reduced accuracy of results, additional installation of flow meters, lack of measurement methods for fuel consumption, etc.

Inactive Publication Date: 2020-05-08
深圳市佳华利道新技术开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this solution requires an additional flow meter to be installed on the pipeline, resulting in the following problems:
Under the conditions of high pressure and wide temperature range, the accuracy of both pressure sensor and temperature sensor is affected, and the accuracy of the results measured using this technical solution will be reduced
[0008] It can be seen that there are disadvantages in using the existing fuel consumption measurement methods on transportation equipment driven by fuel cells, especially, for transportation equipment using metal as a fuel storage device, there is a lack of feasible fuel consumption measurement methods

Method used

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  • Fuel consumption measuring method and device, computing equipment and storage medium
  • Fuel consumption measuring method and device, computing equipment and storage medium
  • Fuel consumption measuring method and device, computing equipment and storage medium

Examples

Experimental program
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Effect test

Embodiment 1

[0085] figure 1 A flow chart of a method for measuring fuel consumption provided by the present application is shown. In this embodiment, hydrogen is used as fuel to describe steps S110 to S130.

[0086] First, a current value within a set period is acquired (S110).

[0087] Taking a hydrogen fuel cell vehicle as an example, the fuel is hydrogen, and the transportation equipment is a vehicle. The fuel cell modules or systems of existing hydrogen fuel cell vehicles are equipped with current sensors to monitor the operating status of the fuel cells. If allowed, the current value measured by the current sensor in the fuel cell module can be directly obtained through the vehicle bus. When the current value cannot be obtained through the current sensor in the fuel cell module, an additional current sensor can be installed on the load circuit to obtain the current value.

[0088] Secondly, according to the measured current value, the number of single-chip fuel cells connected in ...

Embodiment 2

[0102] It is also possible to directly use the following calculation formula to obtain the hydrogen consumption involved in the chemical reaction of the fuel cell within a set period of time according to the measured current value:

[0103]

[0104] Wherein, m is the hydrogen consumption participating in the fuel cell chemical reaction within the set period of time; N is the number of single-chip batteries connected in series in the fuel cell, which is 180 pieces; m 0 is the mass of a single hydrogen molecule, which is 3.32×10 -24 g; n is the number of electrons corresponding to a single hydrogen molecule participating in the fuel cell reaction process, which is 2; e is the charge carried by a single electron, which is 1.602176634×10 -19 Coulomb, I is the current value of the fuel cell in the set time period, t 0 For the set period, it is 50 milliseconds.

[0105] The above known quantity can be substituted into the above calculation formula, combined with the measured cu...

Embodiment 3

[0108] figure 1 A flow chart of a method for measuring fuel consumption provided by the present application is shown, and steps S140 and S150 are described in this embodiment using hydrogen as fuel.

[0109]During the reaction process of the fuel cell, the hydrogen gas on the hydrogen side of the fuel cell can only go in and out, and the impurity gas in the hydrogen gas cannot react and will accumulate and increase over time, which will lead to a decrease in the purity of the hydrogen gas and affect the power generation efficiency. Impurity gases such as carbon monoxide also have catalyst toxicity, and continuous accumulation will lead to catalyst poisoning. Therefore, it is necessary to regularly discharge the hydrogen on the hydrogen side to reduce the accumulation of impurities. This process is generally referred to as purging in the field of fuel cell technology. The purge is controlled by the hydrogen side purge valve. Therefore, the total hydrogen consumption is equal...

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PUM

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Abstract

The invention discloses a fuel consumption measuring method, a fuel consumption measuring device, computing equipment and a storage medium, which are used for traffic equipment taking a fuel cell as apower source, and overcome the defects of a method for measuring fuel consumption by means of a flow meter or temperature and pressure in the prior art. The fuel consumption measuring method comprises the following steps of: acquiring a current value of the fuel cell in a set time period; calculating fuel consumption participating in the chemical reaction of the fuel cell in the set time period according to the obtained current value, a number of single cells connected in series in the fuel cell and attributes of the fuel; and accumulating the fuel consumption participating in the chemical reaction of the fuel cell in a plurality of set time periods to obtain the total consumption of the fuel in a statistical time period. The fuel consumption measuring system comprises an acquisition module for acquiring the current value of the fuel cell in the set time period and a calculation module for calculating fuel consumption.

Description

technical field [0001] The invention relates to the field of traffic equipment, in particular to a fuel consumption measuring method, device, computing device and storage medium. Background technique [0002] Transportation equipment that uses fuel cells as energy providers follows the following operating principle: fuel undergoes a chemical reaction in the fuel cell, and the electrical energy generated during this process drives an electric motor, which powers the transportation equipment. [0003] For a fuel cell system, fuel enters the fuel cell through a transfer pipe and is consumed. A flow meter is installed on the pipeline to measure the amount of fuel flowing through the pipeline. Therefore, the measurement of its fuel consumption can be realized by configuring a flow meter on the fuel inlet pipeline. However, this solution requires an additional flow meter to be installed on the pipeline, resulting in the following problems: [0004] First of all, the price of th...

Claims

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Application Information

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IPC IPC(8): G01F9/00
CPCG01F9/001
Inventor 刘洋成温建权陈广怡吴世杰
Owner 深圳市佳华利道新技术开发有限公司
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