CN107695034B - Power module dust removal method, system, equipment and computer readable storage medium - Google Patents
Power module dust removal method, system, equipment and computer readable storage medium Download PDFInfo
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- CN107695034B CN107695034B CN201711064217.9A CN201711064217A CN107695034B CN 107695034 B CN107695034 B CN 107695034B CN 201711064217 A CN201711064217 A CN 201711064217A CN 107695034 B CN107695034 B CN 107695034B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
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Abstract
This application discloses a kind of power module dust removal method, system, equipment and computer readable storage mediums.This method comprises: obtaining present load rate, current environmental temperature and the current cavity temperature of power module, utilize the corresponding relationship between the load factor created under standard ambient temperature and standard cavity temperature, determine Current standards cavity temperature corresponding with present load rate, current theoretical cavity temperature can be determined based on above-mentioned condition, and then it is poor Current Temperatures can be obtained by calculation, if Current Temperatures difference is greater than or equal to fiducial temperature threshold value, processing is dusted to the power module using blower.The present invention is inferred to current dust accumulation situation by the temperature rise situation of the load factor and inside cavity that understand power module in real time, power module is dusted using blower in time, it solves the problems, such as that power module is slow because radiating caused by dust accumulation under a low load, improves the service life of power module.
Description
Technical field
The present invention relates to dust removal field, in particular to a kind of power module dust removal method, system, equipment and computer-readable
Storage medium.
Background technique
With the development of science and technology, power module is the indispensable a part in most of fields, inevitably, almost
All power modules require to consider the problems of heat dissipation.So far, blower is widely used in the heat dissipation of various power modules, example
Such as dedusting, ventilation and the cooling in communication equipment, vehicle, the apparatus of air conditioning and domestic electric appliance, and present blower
Generally all there is speed-regulating function, in other words, each load capacity has a corresponding rotation speed of fan.When power module is long-term
When working under low-load, rotation speed of fan is stablized compared with the slow-speed of revolution, therefore to be in thermal cycle steady for the inside cavity of power module
State, dust are in relative static conditions, so as to cause power module inside cavity meeting dust accumulation, with the increase of dust accumulation, power mould
The inside cavity thermal cycle stable state of block will be broken.So former rotation speed of fan is unable to control inside cavity compared under low-load
Temperature is within a preset range.At this point, if load increases, even if blower increases revolving speed, because of the influence of dust accumulation, inside modules heat dissipation compared with
Slowly, power module is caused to be easy triggering overheat protector.
It can be seen that power module is under low-load to work for a long time be easy to cause dust accumulation, and if fruit is too late
When remove dust accumulation if, dust accumulation can be thick as time increases and increasingly, even if blower increases revolving speed, it is also difficult to remove obstinate
Dust accumulation.
In addition, the heat-sinking capability that long-term dust accumulation will lead to power module reduces, and then reduce the use longevity of power module
Life.
Therefore, a kind of power module dust removal method how is provided, to realize the real-time detection to dust accumulation situation, and then in time
Ground is dusted power module, is a technical problem that technical personnel in the field need to solve at present.
Summary of the invention
It can in view of this, the purpose of the present invention is to provide a kind of power module dust removal method, system, equipment and computers
Storage medium is read, to realize the real-time detection to dust accumulation situation, and then power module is dusted in time.Its concrete scheme
It is as follows:
The present invention provides a kind of power module dust removal method, comprising:
Obtain present load rate, current environmental temperature and the current cavity temperature of power module；
Using preset corresponding relationship, the intracavitary temperature of Current standards of the power module corresponding with present load rate is determined
Degree；Wherein, the corresponding relationship is the corresponding pass between the load factor created under standard ambient temperature and standard cavity temperature
System；
Using Current standards cavity temperature, current environmental temperature and the standard ambient temperature, determine current theoretical intracavitary
Temperature；
The temperature difference between current cavity temperature and current theoretical cavity temperature is calculated, it is poor to obtain Current Temperatures；
Judge whether Current Temperatures difference is greater than or equal to fiducial temperature threshold value, if it is, using blower to presently described
Power module is dusted processing.
Preferably, described the step of processing is dusted to presently described power module using blower, further includes:
The maximum dedusting number for being dusted processing to presently described power module using the blower is set；
It is equal to the maximum dedusting number when being dusted number of processes to presently described power module using the blower,
Whether the Current Temperatures difference of the power module after then judging dedusting is still greater than or is equal to fiducial temperature threshold value, if so,
Then determine that the power module is fault power module and terminates subsequent the step of being dusted processing to it.
Preferably, described to utilize preset corresponding relationship, determine working as the power module corresponding with present load rate
Before the step of preceding standard cavity temperature, further includes:
Determine standard ambient temperature；
In the case where current environmental temperature is consistent with the standard ambient temperature, using described in different power drives
Power module, to obtain the different loads rate of the power module, and it is corresponding under different loads rate to detect the power module
Cavity temperature, obtain corresponding standard cavity temperature；
Record the power module different loads rate and corresponding standard cavity temperature, obtain the corresponding relationship.
Preferably, described the step of determining standard ambient temperature, comprising:
It determines current season information and/or geographical location information, obtains ambient temperature effect factor information；
The standard ambient temperature is determined using the ambient temperature effect factor information.
Preferably, described using Current standards cavity temperature, current environmental temperature and the standard ambient temperature, determination is worked as
The step of preceding theory cavity temperature, comprising:
It is intracavitary that Current standards cavity temperature, current environmental temperature and the standard ambient temperature are input to preset theory
Temperature computation formula obtains corresponding current theoretical cavity temperature；Wherein, the theoretical cavity temperature calculation formula are as follows:
Tt=Tr@X%+ (Te-Tn)；
In formula, TtRepresentation theory cavity temperature, TrFor Current standards cavity temperature, Tr@X% is indicated and present load rate X%
Corresponding standard cavity temperature, TeIndicate current environmental temperature, TnIndicate the standard ambient temperature.
Preferably, described the step of processing is dusted to presently described power module using blower, comprising:
Blower circular flow between different rotating speeds is controlled, to be dusted processing to the power module.
Preferably, before the control blower is between different rotating speeds the step of circular flow, further comprise:
Corresponding runing time is respectively set for the different rotating speeds.
Preferably, before the control blower is between different rotating speeds the step of circular flow, further comprise:
For the circular flow process, corresponding cycle-index is set.
Preferably, the control blower is between different rotating speeds the step of circular flow, comprising:
Control blower circular flow between the first revolving speed and the second revolving speed；
Wherein, first revolving speed is the revolving speed greater than the first rotary speed threshold value, and second revolving speed is less than the second revolving speed
The revolving speed of threshold value, also, first rotary speed threshold value is greater than or equal to second rotary speed threshold value.
Correspondingly, the present invention also provides a kind of power module dust pelletizing systems, comprising:
Module is obtained, for obtaining the present load rate, current environmental temperature and current cavity temperature of power module；
Standard cavity temperature determining module determines institute corresponding with present load rate for utilizing preset corresponding relationship
State the Current standards cavity temperature of power module；Wherein, the corresponding relationship is the load factor created under standard ambient temperature
With the corresponding relationship between standard cavity temperature；
Theoretical cavity temperature determining module, for utilizing Current standards cavity temperature, current environmental temperature and the standard
Environment temperature determines current theoretical cavity temperature；
Temperature difference computing module is obtained for calculating the temperature difference between current cavity temperature and current theoretical cavity temperature
It is poor to Current Temperatures；
Judgment module, for judging whether Current Temperatures difference is greater than or equal to fiducial temperature threshold value, if it is, to current
The power module is dusted processing.
Correspondingly, the present invention also provides a kind of power module cleaners, comprising:
Including processor, realize when the processor is for executing the computer program stored in memory as any of the above-described
The step of item power module dust removal method.
Correspondingly, the present invention also provides a kind of computer readable storage medium, on the computer readable storage medium
It is stored with computer program, the power module dedusting as described in any of the above-described is realized when the computer program is executed by processor
The step of method.
Power module dust removal method disclosed by the invention, firstly, obtaining present load rate, the current environment temperature of power module
Degree and current cavity temperature；Secondly, determining the power module corresponding with present load rate using preset corresponding relationship
Current standards cavity temperature；Wherein, the corresponding relationship is that the load factor created under standard ambient temperature and standard are intracavitary
Corresponding relationship between temperature；Then Current standards cavity temperature, current environmental temperature and the standard ambient temperature are utilized, really
Theoretical cavity temperature before settled, and then can be by calculating the temperature between current cavity temperature and current theoretical cavity temperature
It is poor to obtain Current Temperatures for difference；Finally, judging whether Current Temperatures difference is greater than or equal to fiducial temperature threshold value, if it is, utilizing
Blower is dusted processing to presently described power module.
Since power module is usually to be chronically under low-load to work, correspondingly, the revolving speed of blower is also just stablized low
Revolving speed so the inside cavity of power module is due to being chronically at air-flow thermal cycle stable state, and leads to dust accumulation, power module
Heat dissipation is slow.Over time, it is difficult to which realization is dusted power module, accelerates the radiating rate of power module.Therefore, of the invention
The reason of causing the above problem mainly load factor and dust accumulation are considered, by the present load for obtaining power module in real time
Rate, current environmental temperature and current cavity temperature utilize the load factor and the intracavitary temperature of standard created under standard ambient temperature
Corresponding relationship between degree is determined Current standards cavity temperature corresponding with present load rate, can be determined based on above-mentioned condition
Current theoretical cavity temperature out, and then can use current cavity temperature and current theoretical cavity temperature current temperature is calculated
It is poor to spend, if Current Temperatures difference is greater than or equal to fiducial temperature threshold value, is removed using blower to presently described power module
Dirt processing.In the whole process, the present invention is mainly to pass through the temperature rise of the load factor and inside cavity of grasping power module in real time
Situation carries out corresponding dedusting to power module to be inferred to current dust accumulation situation.It can be seen that with prior art phase
Than power module dust removal method disclosed by the invention can be to the real-time detection of dust accumulation situation, and then accurately understands current
Influence of the dust accumulation to power module solves power module low to be dusted in time using blower to power module
Because of the slow problem that radiates caused by dust accumulation under load, the service life of power module is improved, maintenance cost is reduced.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of power module dust removal method flow chart disclosed by the invention；
Fig. 2 is a kind of specific power module dust removal method flow chart disclosed by the invention；
Fig. 3 is another specific power module dust removal method flow chart disclosed by the invention；
Fig. 4 is a kind of power module dust pelletizing system structural schematic diagram disclosed by the invention.
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.
It is shown in Figure 1 the embodiment of the invention discloses a kind of power module dust removal method, this method comprises:
Step S11: the present load rate, current environmental temperature and current cavity temperature of power module are obtained.
In the embodiment of the present application, above-mentioned power module can be and undertake powerful integrated circuit modules in circuit, such as
Power module, power module of audio output portion of power unit etc., be also possible in the equipment of any required power supply by
Power power electronic device is by module made of certain function combination again encapsulating.It should be noted that the present invention is just for upper
The dust removal method for stating power module is illustrated, and does not really want to be defined above-mentioned power module.
Step S12: utilizing preset corresponding relationship, determines the current mark of the power module corresponding with present load rate
Quasi- cavity temperature.Wherein, the corresponding relationship is between the load factor created under standard ambient temperature and standard cavity temperature
Corresponding relationship.
It, can be with it should be noted that environment temperature when above-mentioned standard environment temperature refers to creating above-mentioned corresponding relationship
It is ordinary temperature, such as 25 DEG C, 25.7 DEG C etc., as long as meeting well known room temperature, it is, of course, also possible to be according to power mould
Environment temperature as defined in the working stamndard of block and select corresponding temperature, for example, the usually building ring of electronic information equipment
Border temperature is between 18 DEG C~30 DEG C, then may be selected by 20 DEG C as standard ambient temperature.
It should be noted that in view of the corresponding relationship in the embodiment of the present application be possible to not be in advance just pass through and test
It arrives, but needing first to create corresponding above-mentioned corresponding relationship during the work time could be utilized by subsequent step, or more
State all embodiments, can with specifically includes the following steps:
Determine standard ambient temperature.
It is understood that Various Seasonal, geographical location or Humanistic Factors can all not lead to current environment temperature not
Together, for example, the environment temperature in summer and winter be it is significantly different, the environment temperature in plateau and basin be also it is completely different, because
This, the influence factor of environment temperature should be first determined when determining standard ambient temperature.That is, described determine standard environment
The step of temperature, can specifically include: determining current season information and/or geographical location information, obtains ambient temperature effect
Then factor information determines the standard ambient temperature using the ambient temperature effect factor information.
In the case where current environmental temperature is consistent with the standard ambient temperature, using described in different power drives
Power module, to obtain the different loads rate of the power module, and it is corresponding under different loads rate to detect the power module
Cavity temperature, obtain corresponding standard cavity temperature；
Record the power module different loads rate and corresponding standard cavity temperature, obtain the corresponding relationship.
It is understood that can choose dustless standard module, corresponding when creating above-mentioned corresponding relationship
Under standard ambient temperature, when measuring different load factors, inside cavity temperature that power module internal temperature detector detects
Value Tr is as the standard cavity temperature value under present load rate, and then available one-to-one load factor and the intracavitary temperature of standard
Corresponding relationship between degree.
For example, the cavity temperature of power module is Tr@10% when load factor is 10%.And above-mentioned corresponding relationship
It can be stored in advance in the cpu controller of power module, certain acquisition modes can also be passed through during power module works
To obtain above-mentioned corresponding relationship.
Wherein, the form of expression of above-mentioned corresponding relationship can be exists in table form, is also possible to the form of document
In the presence of can also be that other are adapted to the readable documents of power module, performance shape of the embodiment of the present application to above-mentioned corresponding relationship
Formula is without limitation.
For example, with reference to shown in table 1, being a kind of form of expression of corresponding relationship provided by the embodiments of the present application, marked in table
Specific load factor and standard cavity temperature.
Table 1
Step S13: utilizing Current standards cavity temperature, current environmental temperature and the standard ambient temperature, determines current
Theoretical cavity temperature.
Wherein, current environmental temperature refers to the actual ambient temperature of power module work, it is to be understood that works as front ring
Border temperature be not it is constant always, therefore, it is necessary to be obtained under different actual conditions by corresponding means.It is above-mentioned current
Theoretical cavity temperature refers to based on above-mentioned condition as its name suggests, can be by the table of comparisons either other modes, such as counts
Formula is calculated, come an obtained theoretical value.
Step S14: the temperature difference between current cavity temperature and current theoretical cavity temperature is calculated, Current Temperatures are obtained
Difference.
Step S15: judging whether Current Temperatures difference is greater than fiducial temperature threshold value, if it is, using blower to current institute
It states power module and is dusted processing.
Wherein, above-mentioned temperature difference threshold refers to the intracavitary temperature difference threshold of power module, can with when directly use power module
The temperature difference threshold that the respective value recommended in specification obtains is also possible to by the practical work process of power module,
The temperature difference threshold obtained by testing.
It should be noted that a certain or certain power modules are due to being chronically at there may be such a case
It works under high-intensitive state, even if carrying out corresponding dust removal operation to it by above-mentioned dust removal step, Current Temperatures difference is still
It is greater than or equal to above-mentioned fiducial temperature threshold value, that is to say, that such case may not be thicker and generate derived from dust accumulation
, therefore step S15 can also be specifically included:
The maximum dedusting number for being dusted processing to presently described power module using the blower is set；When using institute
It states blower and institute of the number of processes equal to the maximum dedusting number, then after judging dedusting is dusted to presently described power module
Whether the Current Temperatures difference for stating power module is still greater than or is equal to fiducial temperature threshold value, if it is, determining the power mould
Block is fault power module and terminates subsequent the step of being dusted processing to it.
This technical solution can automatically exit from the mechanism of dust removal operation for entire dust removal method increase, reduce unnecessary function
Consumption and maintenance cost.
In view of the spontaneity and reliability of the power module dust removal method of the embodiment of the present application, in this reality embodiment
In, it can also be specifically included in rapid S15:
Revolving speed before rotation speed of fan to be adjusted to dedusting, and the intracavitary dust accumulation situation of detection power module again.
Specifically, step S11 can be reentered by triggering corresponding instruction.
Power module dust removal method disclosed in the embodiment of the present application, it is contemplated that the reason of causing the above problem is mainly negative
Load rate and dust accumulation are utilized by obtaining the present load rate, current environmental temperature and current cavity temperature of power module in real time
Corresponding relationship between the load factor created under standard ambient temperature and standard cavity temperature, determination are corresponding with present load rate
Current standards cavity temperature, current theoretical cavity temperature can be determined based on above-mentioned condition, and then can use and work as ante-chamber
Interior temperature and current theoretical cavity temperature are poor Current Temperatures are calculated, if Current Temperatures difference is greater than or equal to fiducial temperature
Threshold value is then dusted processing to presently described power module using blower.In the whole process, the application mainly passes through reality
When grasp power module the temperature rise situation of load factor and inside cavity be inferred to current dust accumulation situation, it is possible thereby in time
The Best Times for knowing dedusting, as long as and then by the cyclic switching of the high and low rotating speed of blower, destroy the inside cavity
Air-flow thermal cycle stable state, allows dust accumulation to fly upward, to achieve the purpose that dedusting.It can be seen that function disclosed in the embodiment of the present application
Rate module dust removal method can accurately hold best dedusting time, and then utilize in time to the real-time detection of dust accumulation situation
Blower is dusted power module, solves the problems, such as that power module is slow because radiating caused by dust accumulation under a low load, mentions
The high service life of power module, reduces maintenance cost.
The embodiment of the invention discloses a kind of specific power module dust removal methods, relative to a upper embodiment, this implementation
Example has made further instruction and optimization to technical solution.It is shown in Figure 2, comprising the following specific steps
Step S21: the present load rate, current environmental temperature and current cavity temperature of power module are obtained.
Step S22: utilizing preset corresponding relationship, determines the current mark of the power module corresponding with present load rate
Quasi- cavity temperature.Wherein, the corresponding relationship is between the load factor created under standard ambient temperature and standard cavity temperature
Corresponding relationship.
Step S23: Current standards cavity temperature, current environmental temperature and the standard ambient temperature are input to preset
Theoretical cavity temperature calculation formula obtains corresponding current theoretical cavity temperature.Wherein, the theoretical cavity temperature calculation formula
Are as follows:
Tt=Tr@X%+ (Te-Tn)；
In formula, TtRepresentation theory cavity temperature, TrFor Current standards cavity temperature, Tr@X% is indicated and present load rate X%
Corresponding standard cavity temperature, TeIndicate current environmental temperature, TnIndicate the standard ambient temperature.
Step S24: current cavity temperature and current theoretical cavity temperature are input to preset temperature difference calculation formula, obtained
It is poor to corresponding Current Temperatures.Wherein, the temperature difference calculation formula are as follows:
Δ T=Ts-Tt；
In formula, Δ T indicates the current temperature difference, TsIndicate current cavity temperature, TtRepresentation theory cavity temperature.
Step S25: judging whether Current Temperatures difference is greater than fiducial temperature threshold value, if it is, controlling the blower not
With circular flow between revolving speed, to be dusted processing to the power module.
Turn specifically, controlling the blower in difference that is, being dusted processing to the power module in the present embodiment
Circular flow between speed, to be dusted processing to the power module.That is the present embodiment only need to be by by blower
Revolving speed is adjusted to can achieve the revolving speed of dedusting purpose and runs different revolving speed cyclic switchings, wherein above-mentioned difference
The number of revolving speed can be two or more positive integers.
In view of the power problems of blower, the control blower in the step S25 of the present embodiment turns in difference
Between speed the step of circular flow before, can also specifically include:
Corresponding runing time is respectively set for the different rotating speeds.
It should be noted that can be that identical runing time is arranged in different revolving speeds according to actual concrete condition,
It can be each different revolving speed setting and every speed one-to-one time.
It is understood that in order to guarantee that the intracavitary dust accumulation of power module is clearly done while reducing the power consumption of blower
Only, specifically, can with the following steps are included:
For the circular flow process, corresponding cycle-index is set.
Wherein, above-mentioned cycle-index can choose default value, corresponding circulation time can also be arranged especially by operation
Number.
In addition to this, between above-mentioned different rotating speeds be circularly set a cycle of operation equally and also can achieve it is same
Effect.
Power module dust removal method disclosed in the present embodiment is mainly to pass through the load factor and chamber of grasping power module in real time
The temperature rise situation in internal portion is inferred to current dust accumulation situation, it is possible thereby to timely know the Best Times of dedusting, in turn
As long as the cyclic switching of the high and low rotating speed by blower, destroys the air-flow thermal cycle stable state of the inside cavity, dust accumulation is allowed to fly upward
Get up, to achieve the purpose that dedusting.Best dedusting time, Jin Erji can accurately be held to the real-time detection of dust accumulation situation
When power module is dusted using blower, it is slow because radiating caused by dust accumulation under a low load to solve power module
The service life that power module and blower are improved while problem, reduces maintenance cost
It is shown in Figure 3 including following the embodiment of the invention discloses another specific power module dust removal method
Specific steps:
The control blower is between different rotating speeds the step of circular flow, comprising:
Step S31: the present load rate, current environmental temperature and current cavity temperature of power module are obtained.
Step S32: utilizing preset corresponding relationship, determines the current mark of the power module corresponding with present load rate
Quasi- cavity temperature.Wherein, the corresponding relationship is between the load factor created under standard ambient temperature and standard cavity temperature
Corresponding relationship.
Step S33: Current standards cavity temperature, current environmental temperature and the standard ambient temperature are input to preset
Theoretical cavity temperature calculation formula obtains corresponding current theoretical cavity temperature.Wherein, the theoretical cavity temperature calculation formula
Are as follows:
Tt=Tr@X%+ (Te-Tn)；
In formula, TtRepresentation theory cavity temperature, TrFor Current standards cavity temperature, Tr@X% is indicated and present load rate X%
Corresponding standard cavity temperature, TeIndicate current environmental temperature, TnIndicate the standard ambient temperature.
Step S34: current cavity temperature and current theoretical cavity temperature are input to preset temperature difference calculation formula, obtained
It is poor to corresponding Current Temperatures.Wherein, the temperature difference calculation formula are as follows:
Δ T=Ts-Tt；
In formula, Δ T indicates the current temperature difference, TsIndicate current cavity temperature, TtRepresentation theory cavity temperature.
Step S35: judging whether Current Temperatures difference is greater than fiducial temperature threshold value, if it is, controlling the blower
Circular flow between one revolving speed and the second revolving speed, to be dusted processing to the power module.
Wherein, first revolving speed is the revolving speed greater than the first rotary speed threshold value, and second revolving speed is less than the second revolving speed
The revolving speed of threshold value, also, first rotary speed threshold value is greater than or equal to second rotary speed threshold value.
That is, being dusted processing specifically, controlling the blower at first turn to the power module in the present embodiment
Circular flow between speed and the second revolving speed, to be dusted processing to the power module.
It should be noted that first revolving speed is the high revolving speed of blower, second revolving speed is the slow-speed of revolution of blower,
That is the present embodiment only need to be by running the high revolving speed of blower and slow-speed of revolution cyclic switching.Wherein, high revolving speed is corresponding
Be rotation speed of fan when power module works under high load, the slow-speed of revolution is corresponding when being that power module works under a low load
Rotation speed of fan.
Likewise, as the case may be, the present embodiment can also select the technical solution in above-described embodiment.
The beneficial effect of the application can refer to above-described embodiment, and details are not described herein.
Correspondingly, the embodiment of the present application discloses a kind of power module dust pelletizing system, it is shown in Figure 4, comprising:
Obtain module 41: for obtaining the present load rate, current environmental temperature and current cavity temperature of power module；
Standard cavity temperature determining module 42: for utilizing preset corresponding relationship, determination is corresponding with present load rate
The Current standards cavity temperature of the power module；Wherein, the corresponding relationship is the load created under standard ambient temperature
Corresponding relationship between rate and standard cavity temperature；
Theoretical cavity temperature determining module 43: for utilizing Current standards cavity temperature, current environmental temperature and the mark
Quasi temperature determines current theoretical cavity temperature；
Temperature difference computing module 44: for calculating the temperature difference between current cavity temperature and current theoretical cavity temperature,
It is poor to obtain Current Temperatures；
Judgment module 45: for judging whether Current Temperatures difference is greater than or equal to fiducial temperature threshold value, if it is, to working as
The preceding power module is dusted processing.
It closes the specific work process in this present embodiment between modules and please refers to power module disclosed by the invention and remove
Dust collecting method, details are not described herein.
Correspondingly, the embodiment of the present application also discloses a kind of power module cleaner, comprising:
Processor is realized when the processor is for executing the computer program stored in memory such as any of the above-described institute
The step of stating power module dust removal method.
It should be noted that the particular content of the present embodiment technology segment can be found in hereinbefore embodiment, herein no longer
It repeats.
Correspondingly, the embodiment of the present application also discloses a kind of computer readable storage medium, the computer-readable storage
It is stored with computer program on medium, the power mould as described in any of the above-described is realized when the computer program is executed by processor
The step of block dust removal method.Particular content can be found in hereinbefore embodiment, and details are not described herein.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Above to a kind of power module dust removal method provided by the present invention, system, equipment and computer-readable storage medium
Matter is described in detail, and used herein a specific example illustrates the principle and implementation of the invention, above
The explanation of embodiment is merely used to help understand method and its core concept of the invention；Meanwhile for the general skill of this field
Art personnel, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this
Description should not be construed as limiting the invention.
Claims (12)
1. a kind of power module dust removal method characterized by comprising
Obtain present load rate, current environmental temperature and the current cavity temperature of power module；
Using preset corresponding relationship, the Current standards cavity temperature of the power module corresponding with present load rate is determined；
Wherein, the corresponding relationship is the corresponding relationship between the load factor created under standard ambient temperature and standard cavity temperature；
Using Current standards cavity temperature, current environmental temperature and the standard ambient temperature, current theoretical cavity temperature is determined；
The temperature difference between current cavity temperature and current theoretical cavity temperature is calculated, it is poor to obtain Current Temperatures；
Judge whether Current Temperatures difference is greater than or equal to fiducial temperature threshold value, if it is, using blower to presently described power
Module is dusted processing.
2. power module dust removal method according to claim 1, which is characterized in that described to utilize blower to presently described function
The step of rate module is dusted processing, further includes:
The maximum dedusting number for being dusted processing to presently described power module using the blower is set；
It is equal to the maximum dedusting number when being dusted number of processes to presently described power module using the blower, then sentences
Whether the Current Temperatures difference of the power module after disconnected dedusting is still greater than or is equal to fiducial temperature threshold value, if it is, really
The fixed power module is fault power module and terminates subsequent the step of being dusted processing to it.
3. power module dust removal method according to claim 1, which is characterized in that it is described to utilize preset corresponding relationship,
Before the step of determining the Current standards cavity temperature of the power module corresponding with present load rate, further includes:
Determine standard ambient temperature；
In the case where current environmental temperature is consistent with the standard ambient temperature, power described in different power drives is utilized
Module to obtain the different loads rate of the power module, and detects the power module corresponding chamber under different loads rate
Interior temperature obtains corresponding standard cavity temperature；
Record the power module different loads rate and corresponding standard cavity temperature, obtain the corresponding relationship.
4. power module dust removal method according to claim 3, which is characterized in that the standard ambient temperature of determining
Step, comprising:
It determines current season information and/or geographical location information, obtains ambient temperature effect factor information；
The standard ambient temperature is determined using the ambient temperature effect factor information.
5. power module dust removal method according to claim 1, which is characterized in that described to utilize the intracavitary temperature of Current standards
The step of degree, current environmental temperature and standard ambient temperature, determining current theoretical cavity temperature, comprising:
Current standards cavity temperature, current environmental temperature and the standard ambient temperature are input to preset theoretical cavity temperature
Calculation formula obtains corresponding current theoretical cavity temperature；Wherein, the theoretical cavity temperature calculation formula are as follows:
Tt=Tr@X%+ (Te-Tn)；
In formula, TtRepresentation theory cavity temperature, TrFor Current standards cavity temperature, Tr@X% indicates corresponding with present load rate X%
Standard cavity temperature, TeIndicate current environmental temperature, TnIndicate the standard ambient temperature.
6. according to claim 1 to power module dust removal method described in 5 any one, which is characterized in that described to utilize blower
The step of processing is dusted to presently described power module, comprising:
Blower circular flow between different rotating speeds is controlled, to be dusted processing to the power module.
7. power module dust removal method according to claim 6, which is characterized in that the control blower turns in difference
Between speed the step of circular flow before, further comprise:
Corresponding runing time is respectively set for the different rotating speeds.
8. power module dust removal method according to claim 7, which is characterized in that the control blower turns in difference
Between speed the step of circular flow before, further comprise:
For the circular flow process, corresponding cycle-index is set.
9. power module dust removal method according to claim 6, which is characterized in that the control blower turns in difference
Between speed the step of circular flow, comprising:
Control blower circular flow between the first revolving speed and the second revolving speed；
Wherein, first revolving speed is the revolving speed greater than the first rotary speed threshold value, and second revolving speed is less than the second rotary speed threshold value
Revolving speed, also, first rotary speed threshold value be greater than or equal to second rotary speed threshold value.
10. a kind of power module dust pelletizing system characterized by comprising
Module is obtained, for obtaining the present load rate, current environmental temperature and current cavity temperature of power module；
Standard cavity temperature determining module determines the function corresponding with present load rate for utilizing preset corresponding relationship
The Current standards cavity temperature of rate module；Wherein, the corresponding relationship is the load factor created under standard ambient temperature and mark
Corresponding relationship between quasi- cavity temperature；
Theoretical cavity temperature determining module, for utilizing Current standards cavity temperature, current environmental temperature and the standard environment
Temperature determines current theoretical cavity temperature；
Temperature difference computing module is worked as calculating the temperature difference between current cavity temperature and current theoretical cavity temperature
Preceding temperature difference；
Judgment module, for judging whether Current Temperatures difference is greater than or equal to fiducial temperature threshold value, if it is, to presently described
Power module is dusted processing.
11. a kind of power module cleaner characterized by comprising
Processor is realized when the processor is for executing the computer program stored in memory as claim 1 to 9 is any
The Overall Steps of the item power module dust removal method.
12. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the power module dust removal method as described in any one of claim 1 to 9 when the computer program is executed by processor
Overall Steps.
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| CN108495522B (en) * | 2018-04-09 | 2020-06-30 | 南京能瑞电力科技有限公司 | Non-vehicle-mounted charger and active adaptation and self-diagnosis method of heat dissipation system of non-vehicle-mounted charger |
| CN109654054B (en) * | 2018-12-18 | 2020-07-10 | 北京小米移动软件有限公司 | Method and device for controlling fan of electronic equipment and storage medium |
| CN111060219A (en) * | 2019-12-24 | 2020-04-24 | 珠海格力电器股份有限公司 | Air box dust accumulation judgment method, device and equipment and air box |
| CN111405824B (en) * | 2020-03-31 | 2023-01-31 | 深圳市英威腾电源有限公司 | UPS heat dissipation method and device and UPS heat dissipation system |
| CN112164198A (en) * | 2020-09-02 | 2021-01-01 | 深圳市伊力科电源有限公司 | Fire detection method and uninterruptible power supply |
| CN115090612B (en) * | 2022-06-30 | 2023-11-28 | 科华数据股份有限公司 | Dust removing method and equipment for power module and dust removing system |
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