CN110043497A - A kind of blower automatic adjustment fault early warning method and system - Google Patents
A kind of blower automatic adjustment fault early warning method and system Download PDFInfo
- Publication number
- CN110043497A CN110043497A CN201910264750.2A CN201910264750A CN110043497A CN 110043497 A CN110043497 A CN 110043497A CN 201910264750 A CN201910264750 A CN 201910264750A CN 110043497 A CN110043497 A CN 110043497A
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- Prior art keywords
- blower
- aperture
- current
- difference percentage
- automatically adjusts
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Classifications
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- 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
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- 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
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
-
- 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
- G01R31/34—Testing dynamo-electric machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention discloses a kind of blower automatic adjustment fault early warning method and systems.The blower automatic adjustment fault early warning method includes: the first fan parameter for obtaining first blower;First fan parameter includes the first blower electric current and the first blower aperture;Obtain the second fan parameter of second blower;Second fan parameter includes the second blower electric current and the second blower aperture;Determine that blower automatically adjusts state according to first fan parameter and second fan parameter;State, which is automatically adjusted, according to the blower carries out early warning.Poor product quality can effectively be avoided the problem that by automatically adjusting fault early warning method and system using blower provided by the present invention.
Description
Technical field
The present invention relates to blowers to automatically adjust fault pre-alarming field, automatically adjusts fault pre-alarming more particularly to a kind of blower
Method and system.
Background technique
Existing boiler usually requires the air for conveying a constant current into boiler with blower in the process of running, makes in boiler
Environment gas part reach or meet the requirement of corresponding technique.In boiler running process, since environment gas part causes boiler event occur
When barrier, if cannot finding and handle in time, a pot furnace inner environment gas part is be easy to cause to change, influences prepared product matter
Amount, is likely to cause the waste product of whole kiln when serious.
Blower can environment gas part to boiler internal be automatically adjusted, but in blower self-regulating process may
It can break down, and all parts in boiler can only be checked one by one again after the failure occurred, therefore, event occurring
Barrier but boiler there has been no easily cause poor product quality produced during any reflection.
Summary of the invention
The object of the present invention is to provide a kind of blower automatic adjustment fault early warning method and systems, to solve to have broken down
But there has been no easily cause poor product quality produced during any reflection to boiler.
To achieve the above object, the present invention provides following schemes:
A kind of blower automatic adjustment fault early warning method, boiler include the first blower and the second blower, comprising:
Obtain the first fan parameter of first blower;First fan parameter includes the first blower electric current and the
One blower aperture;
Obtain the second fan parameter of second blower;Second fan parameter includes the second blower electric current and the
Two blower apertures;
Determine that blower automatically adjusts state according to first fan parameter and second fan parameter;
State, which is automatically adjusted, according to the blower carries out early warning.
Optionally, described to determine that blower automatically adjusts shape according to first fan parameter and second fan parameter
State specifically includes:
Blower current difference percentage is determined according to the first blower electric current and the second blower electric current;
Blower aperture difference percentage is determined according to the first blower aperture and the second blower aperture;
Determine that blower automatically adjusts state according to the blower current difference percentage and the blower aperture difference percentage.
It is optionally, described that blower current difference percentage is determined according to the first blower electric current and the second blower electric current,
It specifically includes:
According to formula dlc=| Da-Db|/(Da+Db) determine blower current difference percentage;Wherein, DaFor the first blower electric current;
DbFor the second blower electric current;dlcFor blower current difference percentage.
Optionally, described that blower aperture difference percentage is determined according to the first blower aperture and the second blower aperture
Than specifically including:
According to formula kdc=| Ka-Kb|/(Ka+Kb) determine blower aperture difference percentage;Wherein, KaFor the first blower
Aperture;KbFor the second blower aperture;kdcFor blower aperture difference percentage.
Optionally, determine that blower is adjusted automatically according to the blower current difference percentage and the blower aperture difference percentage
Nodular state, specifically includes:
Blower current difference percent levels range is determined according to the blower current difference percentage;The blower current difference hundred
Dividing than rate range includes multiple current classes, the corresponding current status of each current class;
Blower aperture difference percent levels range is determined according to the blower aperture difference percentage;The blower aperture poor hundred
Dividing than rate range includes multiple aperture grades, the corresponding aperture state of each aperture grade;
Determine that blower automatically adjusts state according to the aperture grade and the aperture state.
A kind of blower automatic adjustment fault early warning system, comprising:
First fan parameter obtains module, for obtaining the first fan parameter of first blower;First blower
Parameter includes the first blower electric current and the first blower aperture;
Second fan parameter obtains module, for obtaining the second fan parameter of second blower;Second blower
Parameter includes the second blower electric current and the second blower aperture;
Blower automatically adjusts state determining module, for according to first fan parameter and second fan parameter
Determine that blower automatically adjusts state;
Warning module carries out early warning for automatically adjusting state according to the blower.
Optionally, the blower automatic adjustment state determining module specifically includes:
Blower current difference percentage determination unit, for being determined according to the first blower electric current and the second blower electric current
Blower current difference percentage;
Blower aperture difference percentage determination unit, for according to the first blower aperture and the second blower aperture
Determine blower aperture difference percentage;
Blower automatically adjusts status determining unit, for according to the blower current difference percentage and the blower aperture
Poor percentage determines that blower automatically adjusts state.
Optionally, institute's blower current difference percentage determination unit specifically includes:
Blower current difference percentage determines subelement, for according to formula dlc=| Da-Db|/(Da+Db) determine blower electric current
Poor percentage;Wherein, DaFor the first blower electric current;DbFor the second blower electric current;dlcFor blower current difference percentage.
Optionally, the blower aperture difference percentage determination unit specifically includes:
Blower aperture difference percentage determines subelement, for according to formula kdc=| Ka-Kb|/(Ka+Kb) determine blower
Aperture difference percentage;Wherein, KaFor the first blower aperture;KbFor the second blower aperture;kdcFor blower aperture difference percentage.
Optionally, the blower automatic adjustment status determining unit specifically includes:
Blower current difference percent levels range determines subelement, for determining wind according to the blower current difference percentage
Machine current difference percent levels range;The blower current difference percent levels range includes multiple current classes, each electric current
Grade corresponds to a current status;
Blower aperture difference percent levels range determines subelement, for determining wind according to the blower aperture difference percentage
Machine aperture difference percent levels range;The blower aperture difference percent levels range includes multiple aperture grades, each aperture
Grade corresponds to an aperture state;
Blower automatic adjustment state determines subelement, for determining wind according to the aperture grade and the aperture state
Machine automatically adjusts state.
The specific embodiment provided according to the present invention, the invention discloses following technical effects: the invention proposes one kind
Blower automatically adjusts fault early warning method and system, directly determines blower certainly according to the first fan parameter and the second fan parameter
Dynamic adjustment state, and under boiler operatiopn state, state is automatically adjusted according to the blower and carries out early warning, boiler is carried out in time
Maintenance, the problem of so as to avoid poor product quality.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is that blower provided by the present invention automatically adjusts fault early warning method flow chart;
Fig. 2 is that blower provided by the present invention automatically adjusts fault early warning system structure chart.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of blower automatic adjustment fault early warning method and systems, can be avoided product quality
The problem of difference.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Fig. 1 is that blower provided by the present invention automatically adjusts fault early warning method flow chart, as shown in Figure 1, a kind of blower
Fault early warning method is automatically adjusted, boiler includes the first blower and the second blower, comprising:
Step 101: obtaining the first fan parameter of first blower;First fan parameter includes the first blower electricity
Stream and the first blower aperture.
Step 102: obtaining the second fan parameter of second blower;Second fan parameter includes the second blower electricity
Stream and the second blower aperture.
Step 103: determining that blower automatically adjusts state according to first fan parameter and second fan parameter.
The step 103 specifically includes: determining blower electric current according to the first blower electric current and the second blower electric current
Poor percentage;Blower aperture difference percentage is determined according to the first blower aperture and the second blower aperture;According to institute
It states blower current difference percentage and the blower aperture difference percentage determines that blower automatically adjusts state.
It is described that blower current difference percentage is determined according to the first blower electric current and the second blower electric current, it is specific to wrap
It includes: according to formula dlc=| Da-Db|/(Da+Db) determine blower current difference percentage;Wherein, DaFor the first blower electric current;DbIt is
Two blower electric currents;dlcFor blower current difference percentage.
Table 1 is that the blower provided by the present invention based on blower current difference percentage automatically adjusts state table, such as 1 institute of table
Show.
Table 1
Serial number | Condition | Display state |
1 | dlc≤dlc0 | The first estate |
2 | dlc0< dlc≤dlc1 | Second grade |
3 | dlc1< dlc≤dlc2 | The tertiary gradient |
4 | dlc> dlc2 | The fourth estate |
Wherein, dlc0、dlc1、dlc2For blower current difference percentage setting value, failure corresponding to blower automatic adjustment state
Degree: the first estate < the second grade < tertiary gradient < fourth estate.
It is described that blower aperture difference percentage is determined according to the first blower aperture and the second blower aperture, specifically
It include: according to formula kdc=| Ka-Kb|/(Ka+Kb) determine blower aperture difference percentage;Wherein, KaIt is opened for the first blower
Degree;KbFor the second blower aperture;kdcFor blower aperture difference percentage.
Table 2 is that the blower provided by the present invention based on blower aperture difference percentage automatically adjusts state table, such as 2 institute of table
Show.
Table 2
Wherein, kdc0、kdc1、kdc2For blower aperture difference percentage setting value, failure corresponding to blower automatic adjustment state
Degree: the first estate < the second grade < tertiary gradient < fourth estate.
Determine that blower automatically adjusts state according to the blower current difference percentage and the blower aperture difference percentage,
It specifically includes: blower current difference percent levels range is determined according to the blower current difference percentage;The blower current difference
Percent levels range includes multiple current classes, the corresponding current status of each current class;According to the blower aperture
Poor percentage determines blower aperture difference percent levels range;The blower aperture difference percent levels range includes multiple apertures
Grade, the corresponding aperture state of each aperture grade;Determine blower certainly according to the aperture grade and the aperture state
Dynamic adjustment state.
Step 104: state being automatically adjusted according to the blower and carries out early warning.
According to Tables 1 and 2, when there is the second grade in blower adjust automatically state, illustrate boiler break down immediately into
Row alarms and records event;Record content include: blower electric current, guide-vane for fan aperture (stator blade or movable vane), current difference percentage,
The trend curve of aperture difference percentage when per tour.
About priority assignation:
1) operation person on duty, point inspection person can monitor that page status is shown, the report for searching each per tour can be shown from the page
Alert record.
2) run special work, point inspection can per tour check alert event statistical form.
3) backstage setting (being manually entered), the only designer of producer can operate.
Fig. 2 is that blower provided by the present invention automatically adjusts fault early warning system structure chart, as shown in Fig. 2, a kind of blower
Automatically adjust fault early warning system, comprising:
First fan parameter obtains module 201, for obtaining the first fan parameter of first blower;First wind
Machine parameter includes the first blower electric current and the first blower aperture.
Second fan parameter obtains module 202, for obtaining the second fan parameter of second blower;Second wind
Machine parameter includes the second blower electric current and the second blower aperture.
Blower automatically adjusts state determining module 203, for according to first fan parameter and second blower
Parameter determines that blower automatically adjusts state.
The blower automatic adjustment state determining module 203 specifically includes: blower current difference percentage determination unit is used for
Blower current difference percentage is determined according to the first blower electric current and the second blower electric current;Blower aperture difference percentage determines
Unit, for determining blower aperture difference percentage according to the first blower aperture and the second blower aperture;Blower is certainly
Dynamic adjustment state determination unit, for determining wind according to the blower current difference percentage and the blower aperture difference percentage
Machine automatically adjusts state.
Institute's blower current difference percentage determination unit specifically includes: blower current difference percentage determines subelement, is used for root
According to formula dlc=| Da-Db|/(Da+Db) determine blower current difference percentage;Wherein, DaFor the first blower electric current;DbFor the second wind
Electromechanics stream;dlcFor blower current difference percentage.
The blower aperture difference percentage determination unit specifically includes: blower aperture difference percentage determines subelement, is used for
According to formula kdc=| Ka-Kb|/(Ka+Kb) determine blower aperture difference percentage;Wherein, KaFor the first blower aperture;KbFor
Second blower aperture;kdcFor blower aperture difference percentage.
The blower automatic adjustment status determining unit specifically includes: blower current difference percent levels range determines that son is single
Member, for determining blower current difference percent levels range according to the blower current difference percentage;The blower current difference hundred
Dividing than rate range includes multiple current classes, the corresponding current status of each current class;Blower aperture difference percentage etc.
Grade range determines subelement, for determining blower aperture difference percent levels range according to the blower aperture difference percentage;Institute
Stating blower aperture difference percent levels range includes multiple aperture grades, the corresponding aperture state of each aperture grade;Blower
Automatic adjustment state determines subelement, for determining that blower automatically adjusts shape according to the aperture grade and the aperture state
State.
Warning module 204 carries out early warning for automatically adjusting state according to the blower.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For system disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention;At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (10)
1. a kind of blower automatically adjusts fault early warning method, boiler includes the first blower and the second blower, which is characterized in that packet
It includes:
Obtain the first fan parameter of first blower;First fan parameter includes the first blower electric current and the first wind
Machine aperture;
Obtain the second fan parameter of second blower;Second fan parameter includes the second blower electric current and the second wind
Machine aperture;
Determine that blower automatically adjusts state according to first fan parameter and second fan parameter;
State, which is automatically adjusted, according to the blower carries out early warning.
2. blower according to claim 1 automatically adjusts fault early warning method, which is characterized in that described according to described first
Fan parameter and second fan parameter determine that blower automatically adjusts state, specifically include:
Blower current difference percentage is determined according to the first blower electric current and the second blower electric current;
Blower aperture difference percentage is determined according to the first blower aperture and the second blower aperture;
Determine that blower automatically adjusts state according to the blower current difference percentage and the blower aperture difference percentage.
3. blower according to claim 2 automatically adjusts fault early warning method, which is characterized in that described according to described first
Blower electric current and the second blower electric current determine blower current difference percentage, specifically include:
According to formula dlc=| Da-Db|/(Da+Db) determine blower current difference percentage;Wherein, DaFor the first blower electric current;DbFor
Second blower electric current;dlcFor blower current difference percentage.
4. blower according to claim 3 automatically adjusts fault early warning method, which is characterized in that described according to described first
Blower aperture and the second blower aperture determine blower aperture difference percentage, specifically include:
According to formula kdc=| Ka-Kb|/(Ka+Kb) determine blower aperture difference percentage;Wherein, KaFor the first blower aperture;
KbFor the second blower aperture;kdcFor blower aperture difference percentage.
5. blower according to claim 4 automatically adjusts fault early warning method, which is characterized in that described according to the blower
Current difference percentage and the blower aperture difference percentage determine that blower automatically adjusts state, specifically include:
Blower current difference percent levels range is determined according to the blower current difference percentage;The blower current difference percentage
Rate range includes multiple current classes, the corresponding current status of each current class;
Blower aperture difference percent levels range is determined according to the blower aperture difference percentage;The blower aperture difference percentage
Rate range includes multiple aperture grades, the corresponding aperture state of each aperture grade;
Determine that blower automatically adjusts state according to the aperture grade and the aperture state.
6. a kind of blower automatically adjusts fault early warning system characterized by comprising
First fan parameter obtains module, for obtaining the first fan parameter of first blower;First fan parameter
Including the first blower electric current and the first blower aperture;
Second fan parameter obtains module, for obtaining the second fan parameter of second blower;Second fan parameter
Including the second blower electric current and the second blower aperture;
Blower automatically adjusts state determining module, for being determined according to first fan parameter and second fan parameter
Blower automatically adjusts state;
Warning module carries out early warning for automatically adjusting state according to the blower.
7. blower according to claim 6 automatically adjusts fault early warning system, which is characterized in that the blower automatic adjustment
State determining module specifically includes:
Blower current difference percentage determination unit, for determining blower according to the first blower electric current and the second blower electric current
Current difference percentage;
Blower aperture difference percentage determination unit, for being determined according to the first blower aperture and the second blower aperture
Blower aperture difference percentage;
Blower automatically adjusts status determining unit, for according to the blower current difference percentage and the blower aperture poor hundred
Divide and automatically adjusts state than determining blower.
8. blower according to claim 7 automatically adjusts fault early warning system, which is characterized in that institute's blower current difference percentage
It is specifically included than determination unit:
Blower current difference percentage determines subelement, for according to formula dlc=| Da-Db|/(Da+Db) determine blower current difference hundred
Divide ratio;Wherein, DaFor the first blower electric current;DbFor the second blower electric current;dlcFor blower current difference percentage.
9. blower according to claim 8 automatically adjusts fault early warning system, which is characterized in that the blower aperture poor hundred
Divide and specifically included than determination unit:
Blower aperture difference percentage determines subelement, for according to formula kdc=| Ka-Kb|/(Ka+Kb) determine blower aperture
Poor percentage;Wherein, KaFor the first blower aperture;KbFor the second blower aperture;kdcFor blower aperture difference percentage.
10. blower according to claim 9 automatically adjusts fault early warning system, which is characterized in that the blower is adjusted automatically
Section status determining unit specifically includes:
Blower current difference percent levels range determines subelement, for determining blower electricity according to the blower current difference percentage
Flow poor percent levels range;The blower current difference percent levels range includes multiple current classes, each current class
A corresponding current status;
Blower aperture difference percent levels range determines subelement, for determining that blower is opened according to the blower aperture difference percentage
Spend poor percent levels range;The blower aperture difference percent levels range includes multiple aperture grades, each aperture grade
A corresponding aperture state;
Blower automatic adjustment state determines subelement, for determining blower certainly according to the aperture grade and the aperture state
Dynamic adjustment state.
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CN201910264750.2A CN110043497B (en) | 2019-04-03 | 2019-04-03 | Early warning method and system for automatic adjustment fault of fan |
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CN201910264750.2A CN110043497B (en) | 2019-04-03 | 2019-04-03 | Early warning method and system for automatic adjustment fault of fan |
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CN110043497B CN110043497B (en) | 2020-09-01 |
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CN114738308A (en) * | 2022-04-28 | 2022-07-12 | 中国华能集团清洁能源技术研究院有限公司 | Fan fault early warning method and system capable of positioning specific equipment |
CN115090514A (en) * | 2022-06-24 | 2022-09-23 | 北京建工资源循环利用投资有限公司 | Control method and device of garbage screening system, electronic equipment and medium |
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