CN109458324A - Compressor surge recognition methods, apparatus and system - Google Patents
Compressor surge recognition methods, apparatus and system Download PDFInfo
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- CN109458324A CN109458324A CN201811285562.XA CN201811285562A CN109458324A CN 109458324 A CN109458324 A CN 109458324A CN 201811285562 A CN201811285562 A CN 201811285562A CN 109458324 A CN109458324 A CN 109458324A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
Abstract
The present invention provides a kind of compressor surge recognition methods, apparatus and system, wherein method includes: working status parameter when obtaining compressor operating, and the working status parameter includes: vibration data；Frequency conversion process is carried out to the working status parameter；Frequency characterization data is determined according to the working status parameter after frequency conversion process；Judge whether the difference between the frequency characterization data and default characteristic meets default surge occurrence condition, if so, generating surge occurs result.Compressor surge recognition methods provided by the invention, apparatus and system can quickly recognize compressor and surge have occurred, and timeliness is preferable.
Description
Technical field
The present invention relates to compressor detection technique more particularly to a kind of compressor surge recognition methods, apparatus and system.
Background technique
Compressor is the core devices of air-conditioning equipment, and the stability in operational process directly determines the quality of air-conditioning.
It during the operation of the compressor, is surge to a kind of phenomenon that compressor is affected, surge is often as the row of compressor
The pressure that atmospheric pressure is less than condenser causes compressor to cannot achieve exhaust, but compressor is still in continuous air-breathing, to make unit
There is high vibration, while generating biggish noise, or even substantial damage can be caused to compressor.
When compressor occur surge when, typical phenomenon has: (1) outlet pressure of compressor first increases, then sharply under
Drop, and be in periodically to fluctuate；(2) the exit gas flow of compressor sharply declines, and fluctuation, can even go out when serious
Existing gas flows backward to suction pipe；(3) electric current of the dragging motor of compressor and power swing amplitude are larger.Therefore, related skill
In art, known to surge is usually the variation for passing through the output electric current for obtaining dragging motor in some cycles otherwise
The variation amplitude of the variable quantity or pressure at expulsion of amount, the pressure difference of air-breathing and exhaust in some cycles is needed to getting
The variation of detection signal in some cycles is analyzed, and then obtains the conclusion that surge whether occurs.Aforesaid way be
It can just be detected after surge generation, and need to obtain the data in long period of time can just draw a conclusion, detection cycle
Longer, testing result relatively lags behind, and timeliness is poor.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose that a kind of surge identifies the preferable compressor surge recognition methods of timeliness, apparatus and system.
First aspect present invention embodiment provides a kind of compressor surge recognition methods, comprising:
Working status parameter when compressor operating is obtained, the working status parameter includes: vibration data；
Frequency conversion process is carried out to the working status parameter；
Frequency characterization data is determined according to the working status parameter after frequency conversion process；
Judge whether the difference between the frequency characterization data and default characteristic meets default surge occurrence condition,
If so, generating surge occurs result.
When above scheme is by obtaining compressor operating includes the working status parameter of vibration data, to working condition
Parameter carries out frequency conversion process, determines frequency characterization data further according to the working status parameter after frequency conversion process, when sentencing
When disconnected difference satisfaction out between frequency characterization data and default characteristic presets surge occurrence condition, generates surge and tie
Fruit can be improved the timeliness of surge identification.Vibration will be generated when just occurring due to surge, pass through the vibration number to compressor
It according to being obtained and being handled and identified to surge, can be recognized when surge just occurs, if being handled in time, energy
It enough avoids causing compressor serious damage.
Second aspect of the present invention embodiment provides a kind of compressor surge identification device, comprising:
Working status parameter obtains module, for obtaining working status parameter when compressor operating, the working condition
Parameter includes: vibration data；
Frequency conversion process module, for carrying out frequency conversion process to the working status parameter；
Frequency characterization data determining module, for determining frequecy characteristic according to the working status parameter after frequency conversion process
Data；
Judgment module, it is default whether the difference for judging between the frequency characterization data and default characteristic meets
Surge occurrence condition, if so, generating surge occurs result.
Third aspect present invention embodiment provides a kind of compressor surge identifying system, comprising:
Memory；
Processor；And
Computer program；The computer program storage in the memory, and is configured as being held by the processor
Row is to realize method as described above.
Fourth aspect present invention embodiment provides a kind of computer readable storage medium, is stored thereon with computer program；
The computer program is executed by processor to realize method as described above.
Detailed description of the invention
Fig. 1 is the flow chart for the compressor surge recognition methods that the embodiment of the present application one provides；
Fig. 2 is the flow chart for the compressor surge recognition methods that the embodiment of the present application two provides.
Fig. 3 is the flow chart for the compressor surge recognition methods that the embodiment of the present application three provides；
Fig. 4 is the structural schematic diagram for the compressor surge identification device that the embodiment of the present application four provides；
Fig. 5 is the another structural schematic diagram for the compressor surge identification device that the embodiment of the present application four provides；
Fig. 6 is the structural schematic diagram for the compressor surge identifying system that the embodiment of the present application five provides.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Embodiment one
The present embodiment provides a kind of compressor surge recognition methods, can quickly recognize whether compressor is breathed heavily
Vibration, timeliness are good.Compressor can be applied in the fields such as air-conditioning, refrigerator, can also need to steam liquid used in other
In the field of hair and condensation.Method provided by the present embodiment can be held by the processor in compressor surge identifying system
Row.
Fig. 1 is the flow chart for the compressor surge recognition methods that the embodiment of the present application one provides.As shown in Figure 1, this implementation
The compressor surge recognition methods that example provides, comprising:
Working status parameter when step 101, acquisition compressor operating, which includes: vibration data.
The step can be executed by a processor, and the step is executed in compressor operating.The step can be periodically
It executes.
Vibration data can specifically be sensed by the detection device of vibration data to acquire, such as: acceleration transducer
Deng the end of probe of acceleration transducer being contacted with compressor, then the vibration generated when compressor operating can be directly passed to
Acceleration transducer.Processor is connected with acceleration transducer, obtains collected vibration data from acceleration transducer.
Alternatively, the detection device for detecting vibration data can also use other devices commonly used in the art.
Working status parameter in the specific available one section of duration of the step.In addition, may be used also after step execution
To be pre-processed to the vibration data got, such as: it is pre-processed using processing modes such as filtering, amplifications.
Step 102 carries out frequency conversion process to working status parameter.
Frequency conversion process be the amplitude Characteristics changing rule of parameter is converted into frequecy characteristic changing rule, such as: adopt
Use Fourier transformation.
Step 103 determines frequency characterization data according to the working status parameter after frequency conversion process.
Obtained data, which are handled, according to step 102 determines frequency characterization data, it can will wherein more typical frequecy characteristic
Value is used as frequency characterization data, such as: using the maximum numerical value of frequency as frequency characterization data.
Whether the difference between step 104, determination frequency characteristic and default characteristic, which meets default surge, occurs
Condition.
Default characteristic is the data being stored in advance in memory, and when executing the step, processor can be from storage
It is read in device.Default characteristic is characteristic corresponding to the vibration data of the compressor that gets in advance when surge occurs
According to calculating the difference between the default characteristic and frequency characterization data, and according to the size of difference, determination frequency characteristic
According to whether close to this characteristic is preset, if close, show that surge currently has occurred in compressor；If keeping off, show to compress
Surge does not occur for machine.
Processor calculates the difference between frequency characterization data and default characteristic, and it is default to judge whether difference meets
Surge occurrence condition, if so, thening follow the steps 105；If it is not, then returning to step 101, and recycles and execute step 101-105.
Step 105 generates surge generation result.
When the judging result in step 104, which is, is, processor generates surge and occurs as a result, so that phase can be used in processor
The processing means answered avoid causing compressor more serious damage.Such as: can control reduces capacity, increases inspiratory capacity
Etc. modes adjust the working condition of compressor, improve surge.Alternatively, compressor shutdown can also be controlled, machine to be compressed is voluntarily extensive
It is multiple normally or after operator overhauls compressor to turn back on operation.
Further, before compressor factory, which can also be shown on a display screen to prompt operator, or
Person can also prompt operator by generating the modes such as audio signal, light signal.When surge occurs, operator's energy
Timely learning, and use corresponding processing strategie.
Technical solution provided in this embodiment, when by obtaining compressor operating includes the working condition of vibration data
Parameter, carries out frequency conversion process to working status parameter, determines frequency further according to the working status parameter after frequency conversion process
Rate characteristic presets surge occurrence condition when judging that the difference between frequency characterization data and default characteristic meets
When, it generates surge and occurs as a result, it is possible to improve the timeliness of surge identification.Vibration will be generated when just occurring due to surge, led to
It crosses and the vibration data of compressor is obtained and handled and identified to surge, can be identified when surge just occurs
It arrives, if being handled in time, can be avoided and serious damage is caused to compressor.
Above-mentioned default surge occurrence condition is specifically as follows: the difference between frequency characterization data and default characteristic is small
In preset difference value.That is, the difference between frequency characterization data and default characteristic is smaller, show more to connect therebetween
Closely, then surge has occurred in compressor.
In the present embodiment, preset difference value is set as zero, then when frequency characterization data is equal to default characteristic, generates asthma
Vibration occurs as a result, showing that surge has occurred in compressor.
Embodiment two
The present embodiment is on the basis of the above embodiments, to optimize to compressor surge recognition methods.
Method provided by the present embodiment can be executed by the processor in compressor surge identifying system.
Fig. 2 is the flow chart for the compressor surge recognition methods that the embodiment of the present application two provides.As shown in Fig. 2, this implementation
Example provide compressor surge recognition methods include:
Step 201, obtain compressor operating when working status parameter, the working status parameter include: vibration data and
Noise data.
The acquisition modes of vibration data can refer to above-described embodiment.
The acquisition modes of noise data can be sensed by the detection device of noise data to acquire, such as: acceleration
The end of probe of acceleration transducer is contacted close to compressor or with compressor, then generated when compressor operating by sensor etc.
Noise can degree of being accelerated sensor collect.Processor is connected with acceleration transducer, obtains and acquires from acceleration transducer
The noise data arrived.
Alternatively, the same acceleration transducer can be used while being acquired to vibration data and noise data.By right
The signal of acceleration transducer output is weighted processing or other processing, and noise data and vibration data are separately extracted
Come.
Then frequency conversion can be carried out to noise data and vibration data, such as: step 30 and step 40 can be used, this
The no sequencing of the execution of two steps, can first carry out step 30, can also first carry out step 40, or can also be simultaneously
Execute step 30 and step 40.
Step 202 carries out frequency conversion process to vibration data.
The mode that frequency conversion process is carried out to vibration data can refer in above-described embodiment and carry out to working status parameter
The mode of frequency conversion process.
After step 202, step 204 can be performed.
Step 203 carries out frequency conversion process to noise data.
The mode that frequency change process is carried out to noise data can refer in above-described embodiment and carry out to working status parameter
The mode of processing.
After step 203, step 205 can be performed.
Step 204 determines vibration frequency characteristic parameter according to the vibration data after frequency conversion process.
The implementation of the step can refer in above-described embodiment and determine frequency according to the working status parameter after frequency transformation
The mode of rate characteristic.
Step 205 determines noise frequency characteristic parameter according to the noise data after frequency conversion process.
The implementation of the step can refer in above-described embodiment, true according to the working status parameter after frequency conversion process
Determine the mode of vibration frequency characteristic.
Step 206, when judging that it is default that the difference between vibration frequency characteristic parameter and default vibration performance data is less than
It is raw when vibrating difference and the difference between noise frequency characteristic parameter and default noise characteristic data less than default noise difference
Result occurs at surge.
Default vibration difference and default noise difference are the data being stored in advance in memory, and source can refer to
State the source that characteristic is preset in embodiment.
In the step, vibration frequency characteristic parameter and default vibration performance data are closer, and noise frequency characteristic parameter
It is closer between default noise characteristic data, show that surge has occurred in compressor.It can be to difference and corresponding preset difference value
It is compared, when being less than preset difference value, determines that the condition that surge occurs is set up, generate surge and result occurs.
In the present embodiment, it is assumed that default vibration difference is zero and/or the default noise difference is zero, is equivalent to vibration
Frequecy characteristic parameter is equal to default vibration performance data, and when noise frequency characteristic parameter is equal to default noise characteristic data, energy
Enough identify that surge has occurred in compressor.
In the present embodiment, noise data and vibration data are handled, corresponding to noise data and vibration data
Frequecy characteristic parameter and default characteristic between difference when meeting the requirements, determine that surge occurs for compressor.By that will make an uproar
Two factors of sound and vibration, which combine, to be identified, the accuracy identified to surge is improved.
Embodiment three
The present embodiment is on the basis of the above embodiments, to optimize to compressor surge recognition methods.
Fig. 3 is the flow chart for the compressor surge recognition methods that the embodiment of the present application three provides.As shown in figure 3, implementing
Further include following two steps before step 101 on the basis of example one:
Step 106 obtains standard frequency characteristic of the compressor in surging condition, as default characteristic.
Step 107 stores default characteristic.
Step 106 and step 107 specifically when surge occurs for compressor, are obtained for obtaining default characteristic
Standard frequency characteristic in surging condition, as default characteristic, in subsequent execution step 101 to step
When 105, as judgment criteria.The acquisition modes of standard frequency characteristic can be identical as mode provided by above-described embodiment.
Then it is stored in the default characteristic write-in memory that will acquire, such as: the memory of writable processor itself
In, it also can be written into the memory outside processor.
Above-mentioned steps 106 specifically can be used such as under type:
Standard state parameter of the compressor in surging condition is obtained, which includes: standard vibration data.
Frequency conversion process is carried out to standard operating conditions parameter, it is then true according to the standard operating conditions parameter after frequency conversion process
Calibrate quasi- frequency characterization data.
Further, standard state parameter further include: noise data.Then get vibration data and noise data it
Afterwards, frequency conversion process is carried out to standard vibration data and standard noise data respectively.According to the standard after frequency conversion process
Vibration data determines standard vibration frequency characterization data, as default vibration performance data；According to the mark after frequency conversion process
Quasi-noise data determine standard noise frequency characterization data, as default noise characteristic data.
Then step 107 is executed, memory is written into default vibration performance data and default noise characteristic data, after being used for
It is continuous to execute above-mentioned steps 206.
Example IV
Fig. 4 is the structural schematic diagram for the compressor surge identification device that the embodiment of the present application four provides.As shown in figure 4, this
Embodiment provides a kind of compressor surge identification device, comprising: working status parameter obtains module 41, frequency conversion process module
42, frequency characterization data determining module 43, judgment module 44 and surge result-generation module 45.
Wherein, working status parameter obtains working status parameter when module 41 is used to obtain compressor operating, and work shape
State parameter includes: vibration data.Frequency conversion process module 42 is used to carry out frequency conversion process to working status parameter.Frequency
Characteristic determining module 43 is used to determine frequency characterization data according to the working status parameter after frequency conversion process.Judge mould
Whether difference of the block 44 between determination frequency characteristic and default characteristic meets default surge occurrence condition, if
It is then to trigger the operation of surge result-generation module.For generating surge result occurs for surge result-generation module 45.
Technical solution provided in this embodiment, when by obtaining compressor operating includes the working condition of vibration data
Parameter, carries out frequency conversion process to working status parameter, determines frequency further according to the working status parameter after frequency conversion process
Rate characteristic presets surge occurrence condition when judging that the difference between frequency characterization data and default characteristic meets
When, it generates surge and occurs as a result, it is possible to improve the timeliness of surge identification.Vibration will be generated when just occurring due to surge, led to
It crosses and the vibration data of compressor is obtained and handled and identified to surge, can be identified when surge just occurs
It arrives, if being handled in time, can be avoided and serious damage is caused to compressor.
Further, above-mentioned judgment module 44 is specifically used for the difference between determination frequency characteristic and default characteristic
Whether value is less than preset difference value, if so, generating surge occurs result.
Further, working status parameter further include: noise data.Then frequency conversion process module 42, comprising: vibration number
According to frequency conversion process unit and noise data frequency conversion process unit.Wherein, vibration data frequency conversion process unit is used
In to vibration data progress frequency conversion process.Noise data frequency conversion process unit is used to carry out frequency change to noise data
Change processing.
Frequency characterization data determining module 43, comprising: vibration frequency characteristic parameter determination unit and noise frequency feature ginseng
Number determination unit.Wherein, vibration frequency characteristic parameter determination unit is used to be determined according to the vibration data after frequency conversion process
Vibration frequency characteristic parameter.Noise frequency characteristic parameter determination unit is used to be determined according to the noise data after frequency conversion process
Noise frequency characteristic parameter.
Judgment module 44 is specifically used for: judging that the difference between vibration frequency characteristic parameter and default vibration performance data is
It is no be less than default vibration difference and the difference between noise frequency characteristic parameter and default noise characteristic data whether be less than it is default
Noise difference, if so, the operation of triggering surge result-generation module.
Fig. 5 is the another structural schematic diagram for the compressor surge identification device that the embodiment of the present application four provides.Such as Fig. 5 institute
Show, based on the above technical solution, compressor surge identification device further include: default characteristic obtains module 46 and pre-
If characteristic memory module 47.Wherein, it presets characteristic and obtains module 46 and be used to obtain compressor in surging condition
Standard frequency characteristic, as default characteristic.Default characteristic memory module 47 is for storing default characteristic.
It includes: standard state parameter acquiring unit, frequency conversion process unit and mark that default characteristic, which obtains module 46,
Quasi- frequency characterization data determination unit.Wherein, standard state parameter acquiring unit is used to obtain compressor in surging condition
Standard state parameter, standard state parameter include: standard vibration data.Frequency conversion process unit is used for standard operating conditions
Parameter carries out frequency conversion process.Standard frequency characteristic determination unit is used to be worked according to the standard after frequency conversion process
State parameter determines standard frequency characteristic.
Said frequencies converting processing unit is used to carry out Fourier transformation processing to standard operating conditions parameter.
Standard state parameter further include: standard noise data.Then frequency conversion process unit includes: that vibration data frequency becomes
Change processing subelement and noise data frequency conversion process subelement.Wherein, vibration data frequency conversion process subelement is used for
Frequency conversion process is carried out to standard vibration data.Noise data frequency conversion process subelement be used for standard noise data into
Line frequency conversion process.
Standard frequency characteristic determination unit, comprising: standard vibration frequency characterization data determines that subelement and standard are made an uproar
Acoustic frequency characteristic determines subelement.Wherein, standard vibration frequency characterization data determines subelement for according to frequency transformation
Treated, and standard vibration data determine standard vibration frequency characterization data, as default vibration performance data.Standard noise frequency
Rate characteristic determines subelement for determining standard noise frequecy characteristic according to the standard noise data after frequency conversion process
Data, as default noise characteristic data.
Method provided by the application any embodiment can be performed in above-mentioned compressor surge identification device, has execution method
Corresponding functional module and beneficial effect.
Embodiment five
Fig. 6 is the structural schematic diagram for the compressor surge identifying system that the embodiment of the present application five provides.As shown in fig. 6, this
Embodiment provides a kind of compressor surge identifying system, comprising: memory；Processor；And computer program.
The computer program stores in memory, and is configured as being executed by processor to realize such as any of the above-described implementation
Method provided by example, has the corresponding functional module of execution method and beneficial effect.
The present embodiment also provides a kind of computer readable storage medium, is stored thereon with computer program；The computer journey
Sequence is executed by processor in the method as provided by above-mentioned any embodiment of realization.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (14)
1. a kind of compressor surge recognition methods characterized by comprising
Working status parameter when compressor operating is obtained, the working status parameter includes: vibration data；
Frequency conversion process is carried out to the working status parameter；
Frequency characterization data is determined according to the working status parameter after frequency conversion process；
Judge whether the difference between the frequency characterization data and default characteristic meets default surge occurrence condition, if
It is then to generate surge result occurs.
2. the method according to claim 1, wherein the default surge occurrence condition are as follows: the frequecy characteristic
Difference between data and default characteristic is less than preset difference value.
3. the method according to claim 1, wherein the working status parameter further include: noise data；
Frequency conversion process is carried out to the working status parameter, comprising:
Frequency conversion process is carried out respectively to the vibration data and noise data.
4. according to the method described in claim 3, it is characterized in that, being determined according to the working status parameter after frequency conversion process
Frequency characterization data, comprising:
Vibration frequency characteristic parameter is determined according to the vibration data after frequency conversion process；
Noise frequency characteristic parameter is determined according to the noise data after frequency conversion process.
5. according to the method described in claim 4, it is characterized in that, the default characteristic includes: default Vibration parameter
According to default noise characteristic data；
The default surge occurrence condition are as follows: the difference between the vibration frequency characteristic parameter and default vibration performance data is small
It is less than default noise in the difference for presetting vibration difference and between the noise frequency characteristic parameter and default noise characteristic data
Difference.
6. according to the method described in claim 5, it is characterized in that, the default vibration difference is zero and/or described preset is made an uproar
Sound difference is zero.
7. according to the method described in claim 5, it is characterized by further comprising:
Standard frequency characteristic of the compressor in surging condition is obtained, as default characteristic；
Store the default characteristic.
8. the method according to the description of claim 7 is characterized in that obtaining standard frequency feature of the compressor in surging condition
Data, comprising:
Standard state parameter of the compressor in surging condition is obtained, the standard state parameter includes: standard vibration data；
Frequency conversion process is carried out to the standard operating conditions parameter；
Standard frequency characteristic is determined according to the standard operating conditions parameter after frequency conversion process.
9. according to the method described in claim 8, it is characterized in that, the standard state parameter further include: standard noise data；
Frequency conversion process is carried out to the standard operating conditions parameter, comprising:
Frequency conversion process is carried out respectively to the standard vibration data and standard noise data.
10. according to the method described in claim 9, it is characterized in that, being joined according to the standard operating conditions after frequency conversion process
Number determines standard frequency characteristic, comprising:
Standard vibration frequency characterization data is determined according to the standard vibration data after frequency conversion process, as default vibration performance
Data；
Standard noise frequency characterization data is determined according to the standard noise data after frequency conversion process, as default noise characteristic
Data.
11. -10 described in any item methods according to claim 1, which is characterized in that the frequency conversion process are as follows: Fourier
Conversion process.
12. a kind of compressor surge identification device characterized by comprising
Working status parameter obtains module, for obtaining working status parameter when compressor operating, the working status parameter
It include: vibration data；
Frequency conversion process module, for carrying out frequency conversion process to the working status parameter；
Frequency characterization data determining module, for determining frequecy characteristic number according to the working status parameter after frequency conversion process
According to；
Whether judgment module, the difference for judging between the frequency characterization data and default characteristic meet default surge
Occurrence condition, if so, generating surge occurs result.
13. a kind of compressor surge identifying system characterized by comprising
Memory；
Processor；And
Computer program；Computer program storage in the memory, and be configured as being executed by the processor with
Realize the method as described in claim 1-11.
14. a kind of computer readable storage medium, which is characterized in that be stored thereon with computer program；The computer program
It is executed by processor to realize the method as described in claim 1-11.
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| CN107677364A (en) * | 2017-10-10 | 2018-02-09 | 奥克斯空调股份有限公司 | Air-conditioning surge method of testing and system |
| CN110925233A (en) * | 2019-12-05 | 2020-03-27 | 中国航发四川燃气涡轮研究院 | Compressor surge fault diagnosis method based on acoustic signals |
| CN111307206A (en) * | 2020-02-20 | 2020-06-19 | 北京天泽智云科技有限公司 | Multi-source information fusion-based compressor surge automatic identification method |
| CN114688067A (en) * | 2022-04-12 | 2022-07-01 | 重庆美的通用制冷设备有限公司 | Surge detection method and device for compressor and electronic equipment |
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| CN111307206A (en) * | 2020-02-20 | 2020-06-19 | 北京天泽智云科技有限公司 | Multi-source information fusion-based compressor surge automatic identification method |
| CN114688067A (en) * | 2022-04-12 | 2022-07-01 | 重庆美的通用制冷设备有限公司 | Surge detection method and device for compressor and electronic equipment |
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