CN113687666A - Gas supply method, system and device of fuel cell testing system - Google Patents

Gas supply method, system and device of fuel cell testing system Download PDF

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Publication number
CN113687666A
CN113687666A CN202110953150.4A CN202110953150A CN113687666A CN 113687666 A CN113687666 A CN 113687666A CN 202110953150 A CN202110953150 A CN 202110953150A CN 113687666 A CN113687666 A CN 113687666A
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gas supply
test
gas
delta
fuel cell
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CN113687666B (en
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陈佳逸
余卓平
江正寒
潘相敏
周向阳
杨秦泰
张若婧
朱皓民
崔明杰
任海平
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Shanghai Intelligent New Energy Vehicle Technology Innovation Platform Co ltd
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Shanghai Intelligent New Energy Vehicle Technology Innovation Platform Co ltd
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Fuel Cell (AREA)

Abstract

The invention relates to a gas supply method, a system and a device of a fuel cell test system, wherein the test system comprises a gas supply device and a plurality of test devices, and the gas supply method comprises the following steps: obtaining the actual gas consumption Q of all the test equipment operated at the current momenttAnd the required gas dosage Q of all the test equipment operated at the next momentt+1(ii) a Judging whether Q is satisfiedmax‑Qt≥Qt+1‑QtWherein Q ismaxThe maximum limit supply amount of the system is tested, and if the maximum limit supply amount of the system is tested, the gas supply equipment supplies gas to all equipment at the next moment according to the required gas consumption; if not, the peak-shifting supply is executed. Compared with the prior art, the invention avoids insufficient gas supply or exceeding the design limit in the fuel cell testing process, so that each testing device can reach the maximum operating efficiency within the load range, the waste of gas resources is avoided, and the safety of the test is ensuredCompleteness, stability and reliability.

Description

Gas supply method, system and device of fuel cell testing system
Technical Field
The invention relates to the field of fuel cell testing, in particular to a gas supply method, a gas supply system and a gas supply device of a fuel cell testing system.
Background
Fuel cell smart labs are an emerging laboratory for conducting various tests and experiments on fuel cells. Compared with the traditional laboratory, the intelligent fuel cell laboratory has higher requirements on gas supply, has high requirements on the flow, quality, pressure ratio, purity and the like of air and compressed air during testing, and has higher requirements on gas supply safety due to the fact that hydrogen is involved during testing, so that the supply management of laboratory gas has vital influence on testing equipment and stable operation of the laboratory. Meanwhile, when a test experiment is performed, the gas supply amount in the fuel cell intelligent laboratory may be limited by the capacity thereof to affect the operation of the test equipment, so that the supply of the gas to the fuel cell intelligent laboratory needs to be effectively managed. However, such emerging intelligent fuel cell laboratories are rare and lack a method for effectively managing the supply of gas.
Disclosure of Invention
It is an object of the present invention to overcome the above-mentioned deficiencies of the prior art by providing a method, system and apparatus for supplying gas to a fuel cell testing system.
The purpose of the invention can be realized by the following technical scheme:
a gas supply method of a fuel cell test system including a gas supply apparatus and a plurality of test apparatuses, the gas supply apparatus supplying a gas to the test apparatuses, the gas supply method comprising:
s1, acquiring the actual gas consumption Q of all the test equipment operated at the current momenttAnd the required gas dosage Q of all the test equipment operated at the next momentt+1；
S2, judging whether Q is satisfiedmax-Qt≥Qt+1-QtWherein Q ismaxThe maximum limit supply amount of the system is tested, if yes, the gas supply equipment supplies gas to all equipment at the next moment according to the required gas consumption; if not, the peak shifting supply is executed;
the peak offset feeding comprises:
a1, acquiring the required gas consumption q of each test device operated at the current timetAnd the required gas dosage q of each test device operated at the next momentt+1Obtaining q of each test devicet+1And q istThe difference value delta 1, delta 2-delta n, wherein n is the number of the test equipment;
a2, calculating a total value M from δ d to δ n, wherein the value of d is the number of execution times of the step a2 plus 1, and d is 2 when the step a2 is executed for the first time;
a3, judging whether M is less than or equal to Qt+1-QtIf yes, at the next moment, the actual gas supply quantity at the current moment is still supplied to the test equipment corresponding to delta 1 or delta 1 to delta d-1, and the required gas consumption in the next moment operation is supplied to the other equipment; if not, the step a2 is executed repeatedly.
Further, in the step a1, δ 1, δ 2 to δ n are sorted in descending order of magnitude.
Further, the test equipment is divided into a plurality of priority levels, each priority level having a plurality of equipment therein, the plurality of equipment of the same priority level being operated simultaneously and being supplied with gas.
Further, in the step a2, it is determined whether the total value M is equal to or smaller than the predetermined valueSatisfies that M is less than or equal to Qmax-QtIf yes, executing the subsequent steps; if not, the gas supply of the gas supply device is stopped.
Further, the gas is air or compressed air.
A gas supply system for a fuel cell testing system, the supply system comprising:
the acquisition module is used for acquiring the actual gas consumption Q of all the test equipment operated at the current momenttAnd the required gas dosage Q of all the test equipment operated at the next momentt+1；
A processing module for judging whether Q is satisfiedmax-Qt≥Qt+1-QtWherein Q ismaxThe maximum limit supply amount of the system is tested, if yes, the gas supply equipment supplies gas to all equipment at the next moment according to the required gas consumption; if not, the peak shifting supply module responds;
the peak shift supply module comprises:
a first processing unit for obtaining the required gas dosage q of each test device operated at the current timetAnd the required gas dosage q of each test device operated at the next momentt+1Obtaining q of each test devicet+1And q istThe difference value delta 1, delta 2-delta n, wherein n is the number of the test equipment;
the second processing unit is used for calculating a total value M from delta d to delta n, wherein the value of d is the number of execution times of the second processing unit plus 1, and d is 2 when the second processing unit is executed for the first time;
a third processing unit for judging whether M is less than or equal to Qt+1-QtIf yes, at the next moment, the actual gas supply quantity at the current moment is still supplied to the test equipment corresponding to delta 1 or delta 1 to delta d-1, the required gas consumption in the next moment operation is supplied to other equipment, and the acquisition module responds; if not, the second processing unit responds again.
Further, in the first processing unit, δ 1, δ 2- δ n are sorted from high to low according to respective required gas usage of the corresponding testing equipment.
Further, the test equipment is divided into a plurality of priority levels, each priority level having a plurality of equipment therein, the plurality of equipment of the same priority level being operated simultaneously and being supplied with gas.
Further, in the second processing unit, it is determined whether the total value M satisfies that M is less than or equal to Qmax-QtIf yes, executing the subsequent steps; if not, the gas supply of the gas supply device is stopped.
A gas supply apparatus of a fuel cell testing system includes a memory and a processor; the memory for storing a computer program; the processor, when executing the computer program, is adapted to implement the gas supply method of the fuel cell testing system as described above.
Compared with the prior art, the invention has the following beneficial effects:
1. by designing a systematic and standardized gas supply method, the invention avoids insufficient gas supply or exceeding the design limit in the fuel cell test process, so that each test device can reach the maximum operation efficiency within the load range, the waste of gas resources is avoided, the safety, continuity and stability of the fuel cell test system during working are ensured, the test stability is obviously improved, and the reliability of the test result is ensured.
2. When the invention carries out peak-off supply, the required gas dosage q of each testing device operated at the next moment is usedt+1And the required gas dosage q of each test device operated at the current momenttThe difference values are arranged according to a descending order, so that the test equipment with the largest quantity can be ensured to enter the next moment for air supply, and the test is ensured to be stably carried out.
3. According to the invention, the maximum threshold value judgment is carried out on the total value M, so that the condition that the gas supply exceeds the limit value is avoided, and the safety is improved.
Drawings
Fig. 1 is a block diagram showing the structure of the fuel cell test system.
Fig. 2 is a schematic view of the overall flow of gas supply.
Fig. 3 is a block diagram of the control center.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
The present embodiment provides a gas supply method for a fuel cell testing system, which is a fuel cell intelligent laboratory. As shown in fig. 1, the fuel cell intelligent laboratory includes a control center, a plurality of fuel cell test devices, and a gas supply device that supplies gas to the test devices under the control of the control center.
In the fuel cell intelligent laboratory, air and compressed air are important environmental conditions, which is one of the characteristics different from other laboratories, and the embodiment takes compressed air as an example for description. As shown in fig. 2, the gas supply method specifically includes:
all test equipment in the laboratory is divided into priorities, each priority comprises one or more equipment, and the equipment with high priority is ensured to obtain air supply firstly. When air supply regulation and control are carried out on a plurality of devices with the same priority, the following steps are carried out:
step S1, acquiring the actual gas consumption Q of all the test equipment operated at the current timetAnd the required gas dosage Q of all the test equipment operated at the next momentt+1。
Step S2, judging whether Q is satisfiedmax-Qt≥Qt+1-QtWherein Q ismaxIf the maximum limit supply amount of the test system is obtained, the gas supply equipment supplies gas to all the equipment at the next moment according to the required gas consumption, namely all the test equipment enters the next moment; if not, the peak shifting supply is executed.
The peak staggering supply specifically comprises:
step A1, obtaining each test device operated at the current timeRequired gas dosage qtAnd the required gas dosage q of each test device operated at the next momentt+1Obtaining q of each test devicet+1And q istThe difference δ 1, δ 2 δ n, where n is the number of test devices.
And step a2, calculating a total value M of δ d to δ n, wherein the value of d is the number of execution times of step a2 plus 1, and d is 2 when step a2 is executed for the first time. That is to say: the first time step a2 is performed, the total value calculated is the sum of δ 2 to δ n; the second time step a2 is performed, the total value calculated is the sum of δ 3 to δ n; and so on.
Step A3, judging whether M is less than or equal to Qt+1-QtIf yes, at the next moment, the actual gas supply quantity at the current moment is still supplied to the test equipment corresponding to delta 1 or delta 1 to delta d-1, and the required gas consumption in the next moment operation is supplied to the other equipment; if not, the step a2 is executed repeatedly.
In step a1, δ 1 and δ 2 to δ n may be preset default values or may be sorted in descending order of the numerical values of δ 1 and δ 2 to δ n. In this embodiment, the descending order of the values is preferably adopted, so that it can be ensured that the test equipment with the largest number enters the next time for air supply, and the test is performed stably.
When step A2 is executed, it is determined whether the total value M satisfies M ≦ Qmax-QtIf yes, executing the subsequent steps; if not, the gas supply of the gas supply equipment is stopped, so that the gas supply is prevented from exceeding a limit value, and the safety is improved.
In the embodiment, by designing a systematic and standardized gas supply method, insufficient gas supply or exceeding the design limit in the fuel cell test process is avoided, so that each item of test equipment can reach the maximum operation efficiency within the load range, the safety, continuity and stability of the fuel cell test system during operation are ensured, the test stability is obviously improved, and the reliability of the test result is ensured.
Example 2
The present embodiment provides a block diagram of a gas supply system of a fuel cell testing system, as shown in fig. 3. Namely, the control center block diagram of the fuel cell intelligent laboratory specifically comprises an acquisition module, a processing module and a peak staggering supply module, and is specifically developed as follows:
the acquisition module is used for acquiring the actual gas consumption Q of all the test equipment operated at the current momenttAnd the required gas dosage Q of all the test equipment operated at the next momentt+1。
A processing module for judging whether Q is satisfiedmax-Qt≥Qt+1-QtWherein Q ismaxThe maximum limit supply amount of the system is tested, if yes, the gas supply equipment supplies gas to all equipment at the next moment according to the required gas consumption; if not, the peak shift is provided for the module to respond.
The peak offset supply module comprises:
a first processing unit for obtaining the required gas dosage q of each test device operated at the current timetAnd the required gas dosage q of each test device operated at the next momentt+1Obtaining q of each test devicet+1And q istThe difference δ 1, δ 2 δ n, where n is the number of test devices. And the delta 1 and the delta 2-delta n are sequenced from high to low according to the respective required gas consumption of the corresponding test equipment.
And the second processing unit is used for calculating a total value M from delta d to delta n, wherein the value of d is the number of execution times of the second processing unit plus 1, and d is equal to 2 when the second processing unit is executed for the first time. By judging whether the total value M satisfies M ≦ Q in the second processing unitmax-QtIf yes, executing the subsequent steps; if not, the gas supply of the gas supply equipment is stopped, so that the gas supply is prevented from exceeding a limit value, and the safety is improved.
A third processing unit for judging whether M is less than or equal to Qt+1-QtIf yes, at the next moment, the actual gas supply quantity at the current moment is still supplied to the test equipment corresponding to delta 1 or delta 1 to delta d-1, the required gas consumption in the next moment operation is supplied to other equipment, and the acquisition module responds; if not, the second processing unit responds again.
In the embodiment, by designing a systematic and standardized gas supply method, insufficient gas supply or exceeding the design limit in the fuel cell test process is avoided, so that each item of test equipment can reach the maximum operation efficiency within the load range, the safety, continuity and stability of the fuel cell test system during operation are ensured, the test stability is obviously improved, and the reliability of the test result is ensured.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims (10)

1. A gas supply method of a fuel cell test system including a gas supply apparatus and a plurality of test apparatuses, the gas supply apparatus supplying a gas to the test apparatuses, characterized by comprising:
s1, acquiring the actual gas consumption Q of all the test equipment operated at the current momenttAnd the required gas dosage Q of all the test equipment operated at the next momentt+1；
S2, judging whether Q is satisfiedmax-Qt≥Qt+1-QtWherein Q ismaxThe maximum limit supply amount of the system is tested, if yes, the gas supply equipment supplies gas to all equipment at the next moment according to the required gas consumption; if not, the peak shifting supply is executed;
the peak offset feeding comprises:
a1, acquiring the required gas consumption q of each test device operated at the current timetAnd the required gas dosage q of each test device operated at the next momentt+1Obtaining q of each test devicet+1And q istThe difference value delta 1, delta 2-delta n, wherein n is the number of the test equipment;
a2, calculating a total value M from δ d to δ n, wherein the value of d is the number of execution times of the step a2 plus 1, and d is 2 when the step a2 is executed for the first time;
a3, judging whether M is less than or equal to Qt+1-QtIf yes, at the next moment, the actual gas supply quantity at the current moment is still supplied to the test equipment corresponding to delta 1 or delta 1 to delta d-1, and the required gas consumption in the next moment operation is supplied to the other equipment; if not, the step a2 is executed repeatedly.
2. The gas supply method for a fuel cell test system according to claim 1, wherein in the step a1, δ 1, δ 2 δ n are sorted in descending order of magnitude.
3. The gas supply method of a fuel cell test system according to claim 1, wherein the test devices are divided into a plurality of priority levels, each priority level having a plurality of devices, and a plurality of devices of the same priority level are operated simultaneously and gas supply is performed.
4. The method as claimed in claim 1, wherein in the step A2, it is determined whether the total value M satisfies M ≦ Qmax-QtIf yes, executing the subsequent steps; if not, the gas supply of the gas supply device is stopped.
5. The gas supply method of a fuel cell test system according to claim 1, wherein the gas is air or compressed air.
6. A gas supply system for a fuel cell testing system, comprising:
the acquisition module is used for acquiring the actual gas consumption Q of all the test equipment operated at the current momenttAnd the required gas dosage Q of all the test equipment operated at the next momentt+1；
A processing module forJudging whether Q is satisfiedmax-Qt≥Qt+1-QtWherein Q ismaxThe maximum limit supply amount of the system is tested, if yes, the gas supply equipment supplies gas to all equipment at the next moment according to the required gas consumption; if not, the peak shifting supply module responds;
the peak shift supply module comprises:
a first processing unit for obtaining the required gas dosage q of each test device operated at the current timetAnd the required gas dosage q of each test device operated at the next momentt+1Obtaining q of each test devicet+1And q istThe difference value delta 1, delta 2-delta n, wherein n is the number of the test equipment;
the second processing unit is used for calculating a total value M from delta d to delta n, wherein the value of d is the number of execution times of the second processing unit plus 1, and d is 2 when the second processing unit is executed for the first time;
a third processing unit for judging whether M is less than or equal to Qt+1-QtIf yes, at the next moment, the actual gas supply quantity at the current moment is still supplied to the test equipment corresponding to delta 1 or delta 1 to delta d-1, the required gas consumption in the next moment operation is supplied to other equipment, and the acquisition module responds; if not, the second processing unit responds again.
7. The gas supply system of a fuel cell test system according to claim 6, wherein in the first processing unit, δ 1, δ 2 to δ n are sorted from high to low in accordance with respective required gas usage amounts of the corresponding test devices.
8. The gas supply system of a fuel cell test system according to claim 6, wherein the test devices are divided into a plurality of priority levels, each priority level having a plurality of devices, and a plurality of devices of the same priority level are operated simultaneously and gas supply is performed.
9. A fuel cell testing system according to claim 6The gas supply system is characterized in that the second processing unit judges whether the total value M satisfies M less than or equal to Qmax-QtIf yes, executing the subsequent steps; if not, the gas supply of the gas supply device is stopped.
10. A gas supply device of a fuel cell testing system is characterized by comprising a memory and a processor; the memory for storing a computer program; the processor, when executing the computer program, is configured to implement the gas supply method of the fuel cell testing system according to any one of claims 1 to 5.
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008166019A (en) * 2006-12-27 2008-07-17 Toyota Motor Corp Fuel cell system
JP2013046890A (en) * 2011-08-29 2013-03-07 Air Liquide Japan Ltd Gas supply system and gas supply method
CN109340569A (en) * 2018-10-25 2019-02-15 北京亿华通科技股份有限公司 A kind of gas supply system Learning Control Method
CN110571171A (en) * 2019-09-03 2019-12-13 北京北方华创微电子装备有限公司 Calibration method and calibration system of gas flow controller and gas inlet device
CN112615028A (en) * 2020-12-02 2021-04-06 东风汽车集团有限公司 Gas supply control method of fuel cell automobile and fuel cell controller
CN112701326A (en) * 2021-01-06 2021-04-23 武汉理工大学 Fuel cell stack durability accelerated test method and durability accelerated test device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008166019A (en) * 2006-12-27 2008-07-17 Toyota Motor Corp Fuel cell system
JP2013046890A (en) * 2011-08-29 2013-03-07 Air Liquide Japan Ltd Gas supply system and gas supply method
CN109340569A (en) * 2018-10-25 2019-02-15 北京亿华通科技股份有限公司 A kind of gas supply system Learning Control Method
CN110571171A (en) * 2019-09-03 2019-12-13 北京北方华创微电子装备有限公司 Calibration method and calibration system of gas flow controller and gas inlet device
CN112615028A (en) * 2020-12-02 2021-04-06 东风汽车集团有限公司 Gas supply control method of fuel cell automobile and fuel cell controller
CN112701326A (en) * 2021-01-06 2021-04-23 武汉理工大学 Fuel cell stack durability accelerated test method and durability accelerated test device

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