CN108443207A - A kind of control method of fuel cell system air compressor machine - Google Patents
A kind of control method of fuel cell system air compressor machine Download PDFInfo
- Publication number
- CN108443207A CN108443207A CN201810235519.6A CN201810235519A CN108443207A CN 108443207 A CN108443207 A CN 108443207A CN 201810235519 A CN201810235519 A CN 201810235519A CN 108443207 A CN108443207 A CN 108443207A
- Authority
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- China
- Prior art keywords
- compressor machine
- air compressor
- data
- air flow
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04746—Pressure; Flow
- H01M8/04753—Pressure; Flow of fuel cell reactants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/304—Spool rotational speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/306—Mass flow
- F05D2270/3061—Mass flow of the working fluid
-
- 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
Abstract
The invention discloses a kind of control methods of fuel cell system air compressor machine, include the following steps：Obtain the real-time rotary speed data and air flow data of air compressor machine；Judge real-time air flow data and rotary speed data whether in preset surge data area；If in range, increase air compressor machine delivery air flow.The beneficial effects of the invention are as follows：When air compressor machine works, its real-time rotary speed data and data on flows are obtained, determines that air compressor machine is in surging condition according to the data got, then solves air compressor machine surge problems by increasing air compressor machine delivery air flow, directly efficiently, secondary damage will not be caused to air compressor machine.
Description
Technical field
The present invention relates to fuel cell fields, especially relate to a kind of controlling party of fuel cell system air compressor machine
Method.
Background technology
Fuel cell is a kind of chemical devices chemical energy possessed by fuel being directly changed into electric energy, also known as electrochemistry
Electric organ.It is the 4th kind of generation technology after hydroelectric generation, heat energy power-generating and nuclear electric power generation.Since fuel cell is
The Gibbs free energy part in the chemical energy of fuel is converted into electric energy by electrochemical reaction, not by Carnot cycle effect
Limitation, thus it is efficient；In addition, fuel cell-use fuel and oxygen are used as while not having mechanical transmission component, therefore do not make an uproar, arranges
The pernicious gas of releasing is few；Sound pollution.
The main trend of new-energy automobile development is the diversification of energy source of car and the electrification of automobile power.Fuel cell
It is the electrified ideal chose of automobile power as a kind of efficient, no pollution power supply on vehicle.Fuel battery engines are as a kind of
Novel green power source has been increasingly becoming the research weight of on-board engine due to many merits such as its high efficiency and low emissions
Point.
In the operational process of fuel cell system, air compressor machine has surge phenomenon, this phenomenon and influence pneumatics sometimes
The service life of machine, and influence the normal operation of fuel cell.
Invention content
In order to solve the defect of the above-mentioned prior art, the object of the present invention is to provide a kind of fuel cell system air compressor machines
Control method.
In order to achieve the above objectives, the technical scheme is that：
A kind of control method of fuel cell system air compressor machine, includes the following steps：
Obtain the real-time rotary speed data and air flow data of air compressor machine；
Judge real-time air flow data and rotary speed data whether in preset surge data area；
If in range, increase air compressor machine delivery air flow.
Further, described to judge real-time air flow data and rotary speed data whether in preset surge data area
Before step, including,
When air compressor machine is in surging condition, the range conduct of air compressor machine corresponding rotary speed data and air flow data is obtained
Preset surge data area.
Further, when the air compressor machine is in surging condition, the corresponding rotary speed data of air compressor machine and air mass flow are obtained
The range of data as preset surge data area step, including,
Air flow data when air compressor machine surge is obtained by air flow meter.
Further, when the air compressor machine is in surging condition, the corresponding rotary speed data of air compressor machine and air mass flow are obtained
The range of data as preset surge data area step, including,
Using the maximum value of obtained rotary speed data and air flow data as the maximum value of preset surge data area.
Further, the real-time air mass flow data step for obtaining air compressor machine, including,
The real-time air flow data of air compressor machine is obtained by air flow meter.
Further, the increase air compressor machine delivery air flow rate steps, including,
Control manifold conducting is switched by controlling, increases the gas output of air compressor machine, so that fraction is not entered pile and straight
Run in into air.
Further, the increase air compressor machine delivery air flow rate steps, including,
By promoting the power of pile, increase air compressor machine delivery air flow.
The beneficial effects of the invention are as follows：When air compressor machine works, its real-time rotary speed data and data on flows, root are obtained
It determines that air compressor machine is in surging condition according to the data got, then solves air compressor machine by increasing air compressor machine delivery air flow
Surge problems directly efficiently will not cause secondary damage to air compressor machine.
Description of the drawings
Fig. 1 is a kind of method flow diagram of the control method of fuel cell system air compressor machine of one embodiment of the invention；
Fig. 2 is a kind of method flow diagram of the control method of fuel cell system air compressor machine of another embodiment of the present invention；
Fig. 3 is a kind of method flow diagram of the control method of fuel cell system air compressor machine of another embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram for the device solving air compressor machine surge of the present invention.
Specific implementation mode
To illustrate the thought and purpose of the present invention, the present invention is done further below in conjunction with the drawings and specific embodiments
Explanation.
Referring to Fig.1-4, a specific embodiment of the invention, a kind of control method of fuel cell system air compressor machine, packet are proposed
Include following steps：
S10, the real-time rotary speed data and air flow data for obtaining air compressor machine.
S30, judge real-time air flow data and rotary speed data whether in preset surge data area.
If S40, in range, increase air compressor machine delivery air flow.
For step S10, the real-time rotary speed data and air flow data of air compressor machine are got, and with rotary speed data and sky
Throughput data are used as according to air compressor machine working condition is judged, determine air compressor machine current working status for normal operating conditions still
Surging condition.
Specific step S10, including step S11 obtain the real-time air flow data of air compressor machine by air flow meter.
For step S11, the admission line or outlet pipe in air compressor machine is arranged in air flow meter, you can measure
The corresponding real-time air flow data of air compressor machine.
For step S30, the range of the air flow data and rotary speed data when representing air compressor machine surge is preset, is used for
Subsequently directly be compared with real-time air flow data and rotary speed data, determine air compressor machine whether surge.By than logarithm
According to whether in preset surge data area, the current state of air compressor machine can be accurately judged.
For step S40, if in preset surge data area, judge air compressor machine current state for surge shape
State, and further, improve the delivery air flow of air compressor machine so that air compressor machine does not work in surging condition, reduces air compressor machine
Damage.
Specifically, step S40 increases air compressor machine delivery air flow, including two methods once：
S41, control manifold conducting is switched by controlling, increases the gas output of air compressor machine, fraction is made not enter pile
And it is directly discharged into air.
S42, the power by promoting pile, increase air compressor machine delivery air flow.
For step S41, under the premise of not increasing fuel battery power, air compressor machine air output is increased, passes through increase
Air compressor machine delivery air flow solves air compressor machine surge problems, directly efficiently, will not cause secondary damage to air compressor machine.
As shown in figure 4, the present invention a specific embodiment in, it is a kind of solve air compressor machine surge device include：For
The air filter 1 of air filtering is crossed, one end connects the air flow meter 2 of 1 other end of air filter connection air compressor machine 3, pneumatics
Machine 3, the charge air cooler 4 and humidifier 5 for connecting air compressor machine 3, manifold 10, solenoid valve 6, pile 7, and for gas after discharge reaction
The air last row 8 of body.10 one end of manifold connects the tracheae between humidifier 5 and pile 7, and the other end connects air last row 8.
Conducting and obstruction of the control switch for controlling manifold 10.When manifold 10 blocks, the air-flow of air compressor machine 3 out
It is directly fully entered in pile 7 and is reacted by tracheae, produced electricl energy；When manifold 10 is connected, the gas of air compressor machine 3 out
Stream, a part, which enters by tracheae in pile 7 react, to be produced electricl energy, and is produced electricl energy so that equipment uses, a part passes through
Manifold 10 is directly entered air last row 8, is directly discharged together with the exhaust gas after reaction, in the premise for not changing 7 power of pile
Under, the air inlet demand of whole system is improved, the flow and rotating speed of air compressor machine 3 are increased, avoids air compressor machine 3 from surge occur existing
As influencing 3 service life of air compressor machine.
When judging that air compressor machine is in surging condition, then corresponding control switch conduction manifold is controlled, can not increased
Under the premise of fuel battery power, increases the demand of air compressor machine output gas flow, improve the delivery air flow of air compressor machine, prevent sky
Press enters surging condition.
It, can also be by directly improving the work(of fuel cell when judging that air compressor machine is in surging condition for step S42
Rate is come, and prevents air compressor machine from keeping surging condition.
This programme obtains its real-time rotary speed data and data on flows, according to the number got when air compressor machine works
It is in surging condition according to determining air compressor machine, then solves air compressor machine surge problems by increasing air compressor machine delivery air flow, directly
It connects efficiently, secondary damage will not be caused to air compressor machine.
Referring to figs. 2 and 3, in additional embodiment of the present invention, before step S30, include the following steps:
When S20, air compressor machine are in surging condition, the range of air compressor machine corresponding rotary speed data and air flow data is obtained
As preset surge data area.
For step S20, before step S30, air compressor machine is got by way of testing or acquiring in real time in advance
When in surging condition, corresponding rotary speed data and air flow data, and when determining air compressor machine surge according to the data
The range of rotary speed data and air flow data uses for use as subsequent contrast.
Specifically, step S20 includes the following steps:
S21, by air flow meter obtain air compressor machine surge when air flow data.
S22, using the maximum value of the rotary speed data got and air flow data as preset surge data area
Maximum value.
For step S21, the admission line or outlet pipe in air compressor machine is arranged in air flow meter, you can measure
The corresponding real-time air flow data of air compressor machine.Specific set-up mode can refer to Fig. 4.
For step S22, air compressor machine surge phenomenon be happened at air compressor machine delivery air amount it is smaller when, it is determined that pneumatics
Critical delivery air data on flows when machine becomes normal operating conditions from surging condition, that is, surging condition maximum air
Flow value, you can determine the air flow data range of air compressor machine surge.
This programme obtains its real-time rotary speed data and data on flows, according to the number got when air compressor machine works
It is in surging condition according to determining air compressor machine, then solves air compressor machine surge problems by increasing air compressor machine delivery air flow, directly
It connects efficiently, secondary damage will not be caused to air compressor machine.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every utilization
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (7)
1. a kind of control method of fuel cell system air compressor machine, which is characterized in that include the following steps：
Obtain the real-time rotary speed data and air flow data of air compressor machine；
Judge real-time air flow data and rotary speed data whether in preset surge data area；
If in range, increase air compressor machine delivery air flow.
2. a kind of control method of fuel cell system air compressor machine as described in claim 1, which is characterized in that the judgement is real
Airflow amount data and rotary speed data whether in preset surge data area before step, including,
When air compressor machine is in surging condition, the range of the corresponding rotary speed data of air compressor machine and air flow data is obtained as default
Surge data area.
3. a kind of control method of fuel cell system air compressor machine as claimed in claim 2, which is characterized in that the air compressor machine
When in surging condition, the range of the corresponding rotary speed data of air compressor machine and air flow data is obtained as preset surge data
Range step, including,
Air flow data when air compressor machine surge is obtained by air flow meter.
4. a kind of control method of fuel cell system air compressor machine as claimed in claim 2, which is characterized in that the air compressor machine
When in surging condition, the range of the corresponding rotary speed data of air compressor machine and air flow data is obtained as preset surge data
Range step, including,
Using the maximum value of obtained rotary speed data and air flow data as the maximum value of preset surge data area.
5. a kind of control method of fuel cell system air compressor machine as described in claim 1, which is characterized in that the acquisition is empty
The real-time rotary speed data and air flow data step of press, including,
The real-time air flow data of air compressor machine is obtained by air flow meter.
6. a kind of control method of fuel cell system air compressor machine as described in claim 1, which is characterized in that the increase is empty
Press delivery air flow rate steps, including,
Control manifold conducting is switched by controlling, increases the gas output of air compressor machine, fraction is made not enter pile and directly arrange
Enter air.
7. a kind of control method of fuel cell system air compressor machine as described in claim 1, which is characterized in that the increase is empty
Press delivery air flow rate steps, including,
By promoting the power of pile, increase air compressor machine delivery air flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810235519.6A CN108443207A (en) | 2018-03-21 | 2018-03-21 | A kind of control method of fuel cell system air compressor machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810235519.6A CN108443207A (en) | 2018-03-21 | 2018-03-21 | A kind of control method of fuel cell system air compressor machine |
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| Publication Number | Publication Date |
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| CN108443207A true CN108443207A (en) | 2018-08-24 |
Family
ID=63196052
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| CN201810235519.6A Pending CN108443207A (en) | 2018-03-21 | 2018-03-21 | A kind of control method of fuel cell system air compressor machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165248A (en) * | 2019-05-27 | 2019-08-23 | 湖北工业大学 | Fault-tolerant control method for air supply system of fuel cell engine |
| CN111180769A (en) * | 2019-12-31 | 2020-05-19 | 潍柴动力股份有限公司 | Anti-surge control method and system of air compressor |
| CN113036177A (en) * | 2021-02-04 | 2021-06-25 | 深圳市氢蓝时代动力科技有限公司 | Fuel cell air path control system and fuel cell |
| CN116797209A (en) * | 2023-08-25 | 2023-09-22 | 日立压缩机(常熟)有限公司 | Intelligent operation and maintenance management planning method, system and storage medium for air compressor unit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165248A (en) * | 2019-05-27 | 2019-08-23 | 湖北工业大学 | Fault-tolerant control method for air supply system of fuel cell engine |
| CN111180769A (en) * | 2019-12-31 | 2020-05-19 | 潍柴动力股份有限公司 | Anti-surge control method and system of air compressor |
| CN111180769B (en) * | 2019-12-31 | 2021-05-18 | 潍柴动力股份有限公司 | Anti-surge control method and system of air compressor |
| CN113036177A (en) * | 2021-02-04 | 2021-06-25 | 深圳市氢蓝时代动力科技有限公司 | Fuel cell air path control system and fuel cell |
| CN116797209A (en) * | 2023-08-25 | 2023-09-22 | 日立压缩机(常熟)有限公司 | Intelligent operation and maintenance management planning method, system and storage medium for air compressor unit |
| CN116797209B (en) * | 2023-08-25 | 2023-11-14 | 日立压缩机(常熟)有限公司 | Intelligent operation and maintenance management planning method, system and storage medium for air compressor unit |
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