CN110090497A - Air filter replacing options, replacing construction detection method and device and fuel cell system - Google Patents
Air filter replacing options, replacing construction detection method and device and fuel cell system Download PDFInfo
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- CN110090497A CN110090497A CN201810090486.0A CN201810090486A CN110090497A CN 110090497 A CN110090497 A CN 110090497A CN 201810090486 A CN201810090486 A CN 201810090486A CN 110090497 A CN110090497 A CN 110090497A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0086—Filter condition indicators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/446—Auxiliary equipment or operation thereof controlling filtration by pressure measuring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
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- 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
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
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- 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
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
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- 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
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0438—Pressure; Ambient pressure; Flow
- H01M8/04432—Pressure differences, e.g. between anode and cathode
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- 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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- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The present invention relates to air filter replacing options, replacing construction detection method and device and fuel cell systems, the gas actual error value and the mapping table of the barometric error value and replacing construction that obtain in advance of air filter gas input and output end are compared, find corresponding replacing construction, air filter can be replaced according to obtained replacing construction, that is, the replacing construction is when arriving when be exactly that air filter needs replacing.So, what this method not provided is final replacement signal, but provide the prompt information needed replacing after this time for a period of time in advance, so, this method is more advanced, advance notice related personnel needs replacing, replacement prompt is provided in advance, related personnel is set to know the information needed replacing in advance, and the preparation of replacement is carried out in advance, replacement can be gone on smoothly when the time arrives, avoids the occurrence of and does not carry out the case where replacement prepares and causes replacement failure, and then whole equipment is avoided to be unable to run.
Description
Technical field
The present invention relates to air filter replacing options, replacing construction detection method and device and fuel cell systems.
Background technique
Fuel cell system mainly includes pile, air subsystem, hydrogen subsystem, heat dissipation subsystem etc..Air subsystem
It include the components such as air compressor, air filter, humidifier, muffler, intercooler in system.In the application, air filtration
Device is referred to as air filter or referred to as air filter.
If Authorization Notice No. is discloses a kind of fuel battery engines in the Chinese patent document of CN206878107U, wrap
Air supply subsystem is included, includes sequentially connected air filter, air compressor machine, intercooler and increasing in the air supply subsystem
Wet device.Wherein fuel cell enters heap api request and is necessary for oil-free pure air, needs to meet ISO8573 cleanliness class0 mark
It is quasi-.Fuel battery air enters heap quality and is closely related with the pile service life, therefore the performance of air filter is most important, in air
It when filter failure, needs to replace in time, therefore, it is necessary to the replacement cycle frequencys of strict control air filter.
By the way of usual air filter is using timing replacement, the replacement cycle is generally half a year or several months, but such side
Formula does not precisely quantify and is formed closed-loop control, is easy to cause air filter to continue to run in failure state, leads to object
Reason enters pile with chemical impurity and pollutes, and causes catalyst failure and influences Performance data and service life；Or it still is being able to
It is just replaced too early when use, causes to waste.
Fig. 1 is the appearance diagram of fuel cell air filter, and Fig. 2 is outside the air pressure probe in fuel cell system
See schematic diagram.The duty cycle of existing fuel battery air filter rule of thumb obtains, and this mode has the disadvantage that: 1),
Fuel battery air filter borrows air filtration product mature in the market at present, designs air filter housing, then
Built in air filter core, it is whether qualified to the effect after air filtration invalidated；2), fuel battery air filter is substantially adopted
With having there is experience to estimate the replacement cycle, referring especially to existing mature filtering element for air filter service life, according to fixed week
Phase is replaced, and can not carry out accurately, scientifically replacing.
There are also be exactly to disclose a kind of air conditioner in the Chinese patent application file that application publication number is CN106705363A
Energy-saving control method, be related to following control process: when the pressure difference of import and the outlet of air-conditioner air filter is greater than
When setting value, control delivery air cleaning filter replaces signal.Even if the control method is applied to fuel battery air mistake
In filter, there are the following problems: being issued more when being greater than the set value due to the pressure difference in import and the outlet of air filter
Signal is changed, replacement filter is prompted, then, at this time if the air filter or other reasons do not replaced cannot be immediately
If replacing air filter, it is possible to can be because not having to cause whole equipment to be unable to run due to replacing air filter.So should
Control method compares lag, can not some time before replacement is needed will be when certain with regard to advance notice related personnel
Between after replace air filter, allow related personnel to know this information in advance, and in advance carry out replacement prepare.
Summary of the invention
The object of the present invention is to provide a kind of air filter replacing options, to solve the replacing options of existing air filter
Compare lag, can not some time before replacement is needed will after a certain time more with regard to advance notice related personnel
Ventilate filter the problem of.Present invention simultaneously provides a kind of air filter replacing construction detection method, a kind of air filter replacing construction inspection
Survey device and a kind of fuel cell system.
To achieve the above object, the present invention includes following technical scheme.
Air filter replacing options scheme one: this programme provides a kind of air filter replacing options, comprising the following steps:
(1) atmospheric pressure value of air filter gas input and gas output end is detected, and it is gentle to calculate gas input
The actual error value of body output end atmospheric pressure value；
(2) mapping table of the actual error value and the barometric error value and replacing construction that in advance obtain is carried out pair
Than finding the corresponding replacing construction of the actual error value, being replaced according to obtained replacing construction to air filter.
In the air filter replacement method that this programme provides, by the gas input of acquisition and gas output end atmospheric pressure value
Actual error value comparison is compared with obtained mapping table, the mapping table provide a series of barometric error values and
The corresponding relationship of replacing construction can find replacing construction corresponding to actual error amount, root by being compared with the table
Air filter can be replaced according to obtained replacing construction, that is, be exactly air filtration when replacing construction arrival
When device needs replacing.So this method is not that provide is final replacement signal, but provides this for a period of time in advance
The prompt information in advance needed replacing after the section time, so, this method is more advanced, and advance notice related personnel needs more
It changes, provides replacement prompt in advance, so that related personnel is known the information needed replacing in advance, and carry out the preparation of replacement in advance, when
Time can go on smoothly replacement when arriving, and avoid the occurrence of and do not carry out the case where replacement prepares and causes replacement failure, in turn
Whole equipment is avoided to be unable to run.It can be obtained by accurate replacing construction in addition, need to only detect once, do not need again
It is detected, detection process is simple, not cumbersome.
Air filter replacing options scheme two: on the basis of air filter replacing options scheme one, in the mapping table, air pressure
Error amount is bigger, and the corresponding time interval of replacing construction is shorter, needs to replace air filter as early as possible.
Air filter replacing options scheme three: on the basis of air filter replacing options scheme one or two, the air filter is
Air filter in fuel cell system, the gas input of the gas output end connection air compressor of air filter,
The impurity content in the air of the air compressor gas output end is detected, when the impurity content detected is greater than a setting
When value, alarm.
Air filter replacing construction detection method scheme one: this programme provides a kind of air filter replacing construction detection method, including with
Lower step:
(1) atmospheric pressure value of air filter gas input and gas output end is detected, and it is gentle to calculate gas input
The actual error value of body output end atmospheric pressure value；
(2) mapping table of the actual error value and the barometric error value and replacing construction that in advance obtain is carried out pair
Than finding the corresponding replacing construction of the actual error value.
Air filter replacing construction detection method scheme two: described on the basis of air filter replacing construction detection method scheme one
In mapping table, barometric error value is bigger, and the corresponding time interval of replacing construction is shorter, needs to replace air filtration as early as possible
Device.
Air filter replacing construction detection device scheme one: this programme provides a kind of air filter replacing construction detection device, including with
In the first air pressure detection module that air filter gas input is arranged in, for being arranged in air filter gas output end
The second air pressure detection module and data processing module, data processing module sampling connects the first air pressure detection
Module and the second air pressure detection module, data processing module calculate the actual error of gas input and gas output end atmospheric pressure value
Value, and the mapping table of the actual error value and the barometric error value and replacing construction that obtain in advance is compared, it looks for
It is worth corresponding replacing construction to the actual error.
Air filter replacing construction detection device scheme two: described on the basis of air filter replacing construction detection device scheme one
In mapping table, barometric error value is bigger, and the corresponding time interval of replacing construction is shorter, needs to replace air filtration as early as possible
Device.
Fuel cell system scheme one: this programme is provided at a kind of fuel cell system, including air filter and data
Module is managed, the gas input of the air filter is provided with the first air pressure detection module, the gas of the air filter
Output end is provided with the second air pressure detection module, and the data processing module sampling connects the first air pressure detection module and the
Two air pressure detection modules, data processing module calculate the actual error value of gas input and gas output end atmospheric pressure value, and will
The mapping table of the actual error value and the barometric error value and replacing construction that obtain in advance compares, and finds the reality
The corresponding replacing construction of border error amount.
Fuel cell system scheme two: on the basis of fuel cell system scheme one, in the mapping table, air pressure
Error amount is bigger, and the corresponding time interval of replacing construction is shorter, needs to replace air filter as early as possible.
Fuel cell system scheme three: on the basis of fuel cell system scheme one or two, the fuel cell system
Including air compressor, the gas output end of the air filter connects the gas input of the air compressor, described
The gas output end of air compressor is provided with the impurity content in the air for detecting air compressor gas output end
Detection of air quality module, the data processing module sampling connects the detection of air quality module, when the impurity detected
When content is greater than a setting value, alarm.
Detailed description of the invention
Fig. 1 is the appearance diagram of air filter；
Fig. 2 is the appearance diagram of pressure sensor；
Fig. 3 is the relevant components partial schematic diagram of fuel cell system.
Specific embodiment
Fuel cell system embodiment
The present embodiment provides a kind of fuel cell system, inventive point is the substitute mode of air filter.
As shown in figure 3, fuel cell system includes air filter 2, air compressor 4 and air intercooler 6, air mistake
The gas output end of filter 2 passes through the gas input of piping connection air compressor 4, the gas output end of air compressor 4
Pass through the gas input of piping connection air intercooler 6.The gas input of air filter 2, i.e. air inlet and the external world are big
Gas phase connects, and is usually built-in in the pipeline between the gas output end of air filter 2 and the gas input of air compressor 4
Air flow meter (is shown) in figure.In order to detect the replacing construction of air filter 2 to replace to it, in air filtration
The gas input of device 2, i.e. air inlet install pressure sensor 1, in the gas output end of air filter 2, further in sky
Pressure sensor 3 is installed in the pipeline between the gas output end and air flow meter of air filter 2.In addition, in order to detect sky
The air quality of 4 gas output end of air compressor installs Detection of Air Quality sensing at the gas output end of air compressor 4
Device 5.
Pressure sensor 1 detects the gas pressure at the air inlet of air filter 2, and pressure sensor 3 detects air mistake
Gas pressure at the gas outlet of filter 2.Outside air enters air filter 2 by pressure sensor 1, at this time pressure sensing
The generally external atmosphere pressure that device 1 measures, has a constant pressure drop after air filter 2, as filter core adsorbate increases, object
Reason declines therewith with chemical filtering ability, and resistance increases accordingly, and the numerical value for causing stress sensor 3 is gradually reduced, therefore, pressure
The error amount for the atmospheric pressure value that force snesor 1 and 3 measures, by taking difference as an example, air pressure difference just represents the pressure drop of air filter 2,
The calibration parameter that can be used as 2 filter element filtering ability of air filter, judges whether air filter 2 needs by air pressure difference
It replaces.
Certainly, in order to realize the detection of replacing construction, a data processing module, the data processing are additionally provided in system
Module can be the processing chip being specially arranged, and also can be used in fuel cell system and inherently existing to control equipment.Number
According to processing module sample connection pressure sensor 1 and 3, receive the detection data of two sensors, and according to the data of storage at
Reason strategy carries out the detection of replacing construction.
Data processing module is practical poor by this after calculating the actual difference of atmospheric pressure value of the detection of pressure sensor 1 and 3
The mapping table of value and the air pressure difference and replacing construction that obtain in advance compares, and finds the corresponding replacement of the actual difference
Time.
The corresponding relationship of a series of air pressure differences and replacing construction is provided in above-mentioned mapping table, following table 1 gives
The example of several corresponding relationships.
Table 1
| Air pressure difference | Replacing construction |
| A | 10 days |
| B | 20 days |
| C | 30 days |
| D | 40 days |
| E | 50 days |
In the mapping table, the relationship of air pressure difference and replacing construction are as follows: air pressure difference is bigger, due to the gas of air inlet
Pressure does not change usually, then, the air pressure of gas outlet gradually decreases, and indicates that filter core adsorbate gradually increases, physics and chemistry
Filter capacity declines therewith, and resistance increases accordingly, and just needs to replace air filter as early as possible at this time, that is to say, that draught head
Value is bigger, and corresponding replacing construction is shorter, i.e. the corresponding time interval of replacing construction is shorter.On the basis for meeting above-mentioned relation
On, each air pressure difference is set according to the actual situation with the specific value of corresponding replacing construction.Therefore, in above-mentioned table 1, A
> B > C > D > E.
Replacing construction may refer to a period, be current time, i.e., at the time of being compared with mapping table, with
Time interval between at the time of air filter needs to change, is counted from current time, is just needed after by this period
Replace air filter；Replacing construction can also refer to a time point, be some following time point, when the time point
Air filter is just needed replacing when arrival.
The mapping table of air pressure difference and replacing construction can obtain through a large number of experiments, can also be according to previous big
The experience of amount obtains.A kind of experimentation is given below, certainly, the invention is not limited to following processes: according to above-mentioned reality
Fuel cell system, build corresponding five groups of experiment porch, carry out five groups of experiments, worked using air blower.Entirely testing
In the process, pressure difference value and corresponding replacing construction are recorded.By above-mentioned experimentation, can obtain a series of pressure difference values with
The corresponding relationship of replacing construction provides measured data for the replacement of late fuel battery air filter and supports.Furthermore it is also possible under
The test experience process for stating the impurity such as mist of oil and sulfur dioxide is tested: simulation real vehicle runing time daily works 10 daily
Hour, initial stage interval is sampled for 15 days, and Detection of Air Quality sensor can detecte mist of oil and sulfur dioxide, be supervised in due course
It controls into heap air quality, predominantly detects chemical substance content of sulfur dioxide in air, when outlet side content of sulfur dioxide is greater than electricity
When heap minimum requirements numerical value half size, interval is sampled for 5 days, and content of sulfur dioxide is exceeded after air filtration under final entry
Pressure drop before and after crash time and air filter can also respectively average to 5 groups of data and obtain average pressure drop and average replacement week
Phase.So being able to ascend fuel battery service life by detecting the impurity contents such as mist of oil and sulfur dioxide.In addition, in different regions
Air filter can be replaced preferentially referring to voltage drop value when operation, can refer to the time in the preferable area of air quality and replaced.
So air is compressed after the pressurization of air compressor 4 by 5 real-time detection air of Detection of Air Quality sensor
The impurity content in gas that machine 4 is discharged, the specially content of mist of oil and pile sensitive chemical substance, once exceeded, i.e. impurity
Content is once greater than a setting value, issues alarm signal.It is passed by installing Detection of Air Quality additional at 4 rear of air compressor
Sensor 5, real-time detection enter heap air quality, avoid generating contaminated with oil mist pile and air filtration because of 4 failure of air compressor
2 catastrophic failure of device causes sulphide staining pile and pile is caused to damage.Air cools down and is humidified laggard by air intercooler 6
Enter pile.
Specific embodiment is presented above, but the present invention is not limited to described embodiment.Base of the invention
This thinking is above-mentioned basic scheme, and for those of ordinary skill in the art, various changes are designed in introduction according to the present invention
The model of shape, formula, parameter do not need to spend creative work.It is right without departing from the principles and spirit of the present invention
The change, modification, replacement and modification that embodiment carries out are still fallen in protection scope of the present invention.
Air filter replacing construction detection device embodiment
The present embodiment provides a kind of air filter replacing construction detection devices, including input for being arranged in air filter gas
The first air pressure detection module at end, for the second air pressure detection module of air filter gas output end, and number to be arranged in
According to processing module, data processing module sampling the first air pressure detection module of connection and the second air pressure detection module, data processing mould
Block calculates the actual error value of gas input and gas output end atmospheric pressure value, and by actual error value and the air pressure that in advance obtains
The mapping table of error amount and replacing construction compares, and finds the corresponding replacing construction of actual error value.Air filter replacement
Time detection device is not limited to can be applied in other field, such as air conditioner using in the fuel cell system.
Due to having given the specific embodiment of air filter replacing construction detection device in above-mentioned fuel cell system embodiment, here
No longer illustrate.
Air filter replacing options embodiment
The present embodiment provides a kind of air filter replacing options, comprising the following steps: (1) detects air filter gas input
With the atmospheric pressure value of gas output end, and the actual error value of gas input and gas output end atmospheric pressure value is calculated；It (2) will be practical
Error amount and the mapping table of the barometric error value and replacing construction that obtain in advance compare, and it is corresponding to find actual error value
Replacing construction, air filter is replaced according to obtained replacing construction.Due to above-mentioned fuel cell system embodiment
In given the specific embodiment of air filter replacing options, just no longer illustrate here.
Air filter replacing construction detection method embodiment
The present embodiment provides a kind of air filter replacing construction detection methods, comprising the following steps: (1) detects air filter gas
The atmospheric pressure value of body input terminal and gas output end, and calculate the actual error value of gas input and gas output end atmospheric pressure value；
(2) actual error value and the mapping table of the barometric error value and replacing construction that obtain in advance are compared, finds reality
The corresponding replacing construction of error amount.Due to having given air filter replacing construction detection method in above-mentioned fuel cell system embodiment
Specific embodiment, just no longer illustrate here.
Claims (10)
1. a kind of air filter replacing options, which comprises the following steps:
(1) atmospheric pressure value of air filter gas input and gas output end is detected, and calculates gas input and gas is defeated
The actual error value of outlet atmospheric pressure value；
(2) mapping table of the actual error value and the barometric error value and replacing construction that obtain in advance is compared,
The corresponding replacing construction of the actual error value is found, air filter is replaced according to obtained replacing construction.
2. air filter replacing options according to claim 1, which is characterized in that in the mapping table, barometric error value
Bigger, the corresponding time interval of replacing construction is shorter, needs to replace air filter as early as possible.
3. air filter replacing options according to claim 1 or 2, which is characterized in that the air filter is fuel cell
Air filter in system, the gas input of the gas output end connection air compressor of air filter, described in detection
Impurity content in the air of air compressor gas output end, when the impurity content detected is greater than a setting value, into
Row alarm.
4. a kind of air filter replacing construction detection method, which comprises the following steps:
(1) atmospheric pressure value of air filter gas input and gas output end is detected, and calculates gas input and gas is defeated
The actual error value of outlet atmospheric pressure value；
(2) mapping table of the actual error value and the barometric error value and replacing construction that obtain in advance is compared,
Find the corresponding replacing construction of the actual error value.
5. air filter replacing construction detection method according to claim 4, which is characterized in that in the mapping table, gas
It is bigger to hold up difference, the corresponding time interval of replacing construction is shorter, needs to replace air filter as early as possible.
6. a kind of air filter replacing construction detection device, which is characterized in that including for being arranged in air filter gas input
The first air pressure detection module, for the second air pressure detection module and data of air filter gas output end to be arranged in
Processing module, the data processing module sampling connect the first air pressure detection module and the second air pressure detection module, data
Processing module calculates the actual error value of gas input and gas output end atmospheric pressure value, and by the actual error value and in advance
The mapping table of obtained barometric error value and replacing construction compares, when finding the corresponding replacement of the actual error value
Between.
7. air filter replacing construction detection device according to claim 6, which is characterized in that in the mapping table, gas
It is bigger to hold up difference, the corresponding time interval of replacing construction is shorter, needs to replace air filter as early as possible.
8. a kind of fuel cell system, including air filter and data processing module, which is characterized in that the air filter
Gas input be provided with the first air pressure detection module, the gas output end of the air filter is provided with the second air pressure inspection
Module is surveyed, the data processing module, which samples, connects the first air pressure detection module and the second air pressure detection module, at data
The actual error value that module calculates gas input and gas output end atmospheric pressure value is managed, and the actual error value is obtained with prior
To barometric error value and the mapping table of replacing construction compare, when finding the corresponding replacement of the actual error value
Between.
9. fuel cell system according to claim 8, which is characterized in that in the mapping table, barometric error value
Bigger, the corresponding time interval of replacing construction is shorter, needs to replace air filter as early as possible.
10. fuel cell system according to claim 8 or claim 9, which is characterized in that the fuel cell system includes air
Compressor, the gas output end of the air filter connect the gas input of the air compressor, the air compression
The gas output end of machine is provided with the air quality of the impurity content in the air for detecting air compressor gas output end
Detection module, the data processing module sampling connects the detection of air quality module, when the impurity content detected is greater than
When one setting value, alarm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810090486.0A CN110090497A (en) | 2018-01-30 | 2018-01-30 | Air filter replacing options, replacing construction detection method and device and fuel cell system |
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|---|---|---|---|
| CN201810090486.0A CN110090497A (en) | 2018-01-30 | 2018-01-30 | Air filter replacing options, replacing construction detection method and device and fuel cell system |
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|---|---|---|---|---|
| CN114103601A (en) * | 2021-11-12 | 2022-03-01 | 阿维塔科技(重庆)有限公司 | Vehicle-based air conditioner filter performance prompting method and system and storage medium |
| CN114976126A (en) * | 2021-02-22 | 2022-08-30 | 北京亿华通科技股份有限公司 | Air filter element pollution control method and system, fuel cell system and vehicle |
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| CN107589057A (en) * | 2017-09-19 | 2018-01-16 | 天钥光电（湖北）股份有限公司 | A kind of air pressure detection method and air filter screen life detecting method |
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Application publication date: 20190806 |