CN110094853A - A kind of unit dedusting control method, device and unit - Google Patents
A kind of unit dedusting control method, device and unit Download PDFInfo
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- CN110094853A CN110094853A CN201910478048.6A CN201910478048A CN110094853A CN 110094853 A CN110094853 A CN 110094853A CN 201910478048 A CN201910478048 A CN 201910478048A CN 110094853 A CN110094853 A CN 110094853A
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- unit
- frequency
- operating parameter
- dust removal
- removal operation
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/67—Switching between heating and cooling modes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/87—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
- F24F11/871—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units by controlling outdoor fans
Abstract
The invention discloses a kind of unit dedusting control method, device and units, wherein this method comprises: obtaining the operating parameter of unit, and judges whether the operating parameter meets preset condition；After the operating parameter meets preset condition, triggering executes dust removal operation；It is modified based on running frequency of the default correction strategy to blower, obtains revised running frequency；And control the blower and run according to revised running frequency, to execute current dust removal operation.The present invention judges that set heat exchange device is accumulated with the presence or absence of dust using the operating parameter of unit, to trigger dust removal operation, and is modified to the running frequency of blower in dust removal operation, to guarantee dust removing effects, promotes unit heat exchange efficiency.
Description
Technical field
The present invention relates to machine set technology fields, in particular to a kind of unit dedusting control method, device and unit.
Background technique
For air-conditioning, outdoor unit is generally all installed on outdoor, during unit is idle, the surface meeting of set heat exchange device
A large amount of dusts are accumulated, and due to its outlet air form of upper outlet air multi-connected machine, the dust of heat exchanger surface can firmly be adsorbed on heat exchanger
Surface, it is difficult to remove.
Dust stratification on heat exchanger will cause heat exchange efficiency decline, substantially reduce the comfort of unit, and units consumption increases,
Cause energy waste.
Aiming at the problem that how to carry out unit dedusting in the related technology and promote dust removing effects, not yet propose at present effectively
Solution.
Summary of the invention
The present invention provides a kind of unit dedusting control method, device and unit, at least solve in the prior art how
The problem of carrying out unit dedusting and promoting dust removing effects.
In order to solve the above technical problems, according to an aspect of an embodiment of the present invention, the present invention provides a kind of units to remove
Dirt control method, wherein this method comprises: obtaining the operating parameter of unit, and it is default to judge whether the operating parameter meets
Condition；After the operating parameter meets preset condition, triggering executes dust removal operation；It is once removed according to current dust removal operation with preceding
The interval time of dirt operation, the running frequency of blower is modified, revised running frequency is obtained；The blower is controlled to press
It is run according to revised running frequency, to execute current dust removal operation.
Further, the operating parameter of the unit includes at least following one: Compressor Discharge Pressure, compressor air suction
Pressure, compressor current.
Further, judge whether the operating parameter meets preset condition, comprising: determine unit it is in refrigeration mode or
Heating mode；If unit is in refrigeration mode, judge whether at least one of described operating parameter is higher than the parameter pair
The threshold value answered, if so, determining that the operating parameter meets preset condition；If unit is in heating mode, described in judgement
Whether at least one of operating parameter is lower than the corresponding threshold value of the parameter, if so, it is default to determine that the operating parameter meets
Condition.
Further, triggering executes dust removal operation, comprising: triggering blower reversion operation；And control compressor and unit
Throttle is out of service.
Further, it is modified based on running frequency of the default correction strategy to blower, obtains revised operation frequency
Rate, comprising: frequency correction value is determined based on default correction strategy；Revised running frequency is obtained by following formula: amendment
Running frequency afterwards=default original frequency+frequency correction value；Wherein, the running frequency of blower is in dust removal operation for the first time
Default original frequency.
Further, frequency correction value is determined based on default correction strategy, comprising: according to current dust removal operation and preceding primary
The interval time of dust removal operation determines frequency correction value；Wherein, the interval time is longer, and the frequency correction value is smaller.
Further, frequency correction value is determined based on default correction strategy, comprising: determine that current dust removal operation is that unit is opened
Which time dust removal operation after machine starting；According to the number of dust removal operation, corresponding frequency correction value is determined；Wherein, institute
It is more to state number, the frequency correction value is bigger.
The present invention provides a kind of unit dedusting control devices, wherein the device includes: acquisition module, for obtaining machine
The operating parameter of group；Judgment module, for judging whether the operating parameter meets preset condition；Dedusting module, in institute
It states after operating parameter meets preset condition, triggering executes dust removal operation；Correction module, for being based on default correction strategy to blower
Running frequency be modified, obtain revised running frequency；And it controls the blower and is transported according to revised running frequency
Row, to execute current dust removal operation.
Further, the operating parameter of the unit includes at least following one: Compressor Discharge Pressure, compressor air suction
Pressure, compressor current.
Further, the judgment module, comprising: mode confirmation unit, for determining that unit is in refrigeration mode or makes
Heat pattern；First judging unit, for whether judging at least one of described operating parameter when unit is in refrigeration mode
Threshold value corresponding higher than the parameter, if so, determining that the operating parameter meets preset condition；Second judgment unit is used for
When unit is in heating mode, judge whether at least one of described operating parameter is lower than the corresponding threshold value of the parameter, if
It is to determine that the operating parameter meets preset condition.
Further, the dedusting module is specifically used for triggering blower reversion operation；And control compressor and unit
Throttle is out of service.
Further, the correction module, comprising: correction value determination unit, for determining frequency based on default correction strategy
Rate correction value；Corrected Calculation unit, for obtaining revised running frequency by following formula: revised running frequency=
Default original frequency+frequency correction value；Wherein, the running frequency of blower is default original frequency in dust removal operation for the first time.
Further, the correction value determination unit is specifically used for according to current dust removal operation and a preceding dust removal operation
Interval time, determine frequency correction value；Wherein, the interval time is longer, and the frequency correction value is smaller.
Further, the correction value determination unit, after being unit starting up specifically for the current dust removal operation of determination
Which time dust removal operation；According to the number of dust removal operation, corresponding frequency correction value is determined；Wherein, the number is got over
More, the frequency correction value is bigger.
The present invention provides a kind of units, wherein the unit includes above-mentioned unit dedusting control device.
The present invention provides a kind of computer readable storage mediums, are stored thereon with computer program, which is characterized in that institute
It states and realizes such as above-mentioned method when program is executed by processor.
The invention proposes a kind of unit dust-cleaning schemes, judge whether set heat exchange device is deposited using the operating parameter of unit
It accumulates, to trigger dust removal operation, and the running frequency of blower in dust removal operation is modified, to guarantee dedusting in dust
Effect promotes unit heat exchange efficiency.
Detailed description of the invention
Fig. 1 is the flow chart of unit dedusting control method according to an embodiment of the present invention；
Fig. 2 is unit dedusting adjustment flow chart according to an embodiment of the present invention；
Fig. 3 is the structural block diagram of unit dedusting control device according to an embodiment of the present invention.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
Embodiment 1
Fig. 1 is the flow chart of unit dedusting control method according to an embodiment of the present invention, as shown in Figure 1, this method includes
Following steps:
Step S102, obtains the operating parameter of unit, and judges whether operating parameter meets preset condition；
Step S104, after operating parameter meets preset condition, triggering executes dust removal operation；
Step S106, according to the interval time of current dust removal operation and a preceding dust removal operation, to the running frequency of blower
It is modified, obtains revised running frequency；Control blower is run according to revised running frequency, to execute current dedusting
Operation.
Through this embodiment, judge that set heat exchange device is accumulated with the presence or absence of dust using the operating parameter of unit, thus
Dust removal operation is triggered, and the running frequency of blower in dust removal operation is modified, to guarantee dust removing effects, unit is promoted and changes
The thermal efficiency.
In the present embodiment, the operating parameter of unit at least may include following one: Compressor Discharge Pressure, compressor
Pressure of inspiration(Pi), compressor current.Certainly, for other operating parameters of unit, if be able to reflect the operation conditions of unit and
Convenient for monitoring, the judgement that above-mentioned operating parameter carries out subsequent preset condition can be used as.
After the operating parameter for obtaining unit, it can judge whether it meets default item by following preferred embodiment
Part, specifically, it is determined that unit is in refrigeration mode or heating mode；If unit is in refrigeration mode, operating parameter is judged
At least one of whether be higher than the corresponding threshold value of the parameter, if so, determine operating parameter meet preset condition；If unit
In heating mode, then at least one of operating parameter is judged whether lower than the corresponding threshold value of the parameter, if so, determining fortune
Row parameter meets preset condition.
Any one parameter in the operating parameter of the present embodiment has its corresponding threshold value.When unit starting, detection machine
The operational mode and operating parameter (such as the parameters such as compressor Suck and exhaust pressure, compressor current) of group, are integrated later
Judgement, if unit is in refrigeration mode, detection meets any of the following conditions: 1, Compressor Discharge Pressure > A；2, compressor
Pressure of inspiration(Pi) > B；3, compressor current > C, then it is assumed that system heat exchanger superficial dust, unit enter dedusting mode；If unit
In heating mode, detection meets any of the following conditions: 1, Compressor Discharge Pressure < C；2, suction pressure of compressor <
D；3, compressor current < E, then it is assumed that system heat exchanger superficial dust, unit enter dedusting mode.
It, being capable of judgement heat exchanger surface promptly and accurately by the way that above-mentioned operating parameter to be compared with threshold value based on this
Whether dust stratification, provide a kind of heat exchanger dust stratification detection scheme of efficiently and accurately, also provide basis for subsequent triggers dust removal operation.
After the operating parameter for monitoring unit meets preset condition, triggering executes dust removal operation, can be by following preferred
Embodiment is realized: triggering blower reversion operation；And control compressor and unit throttle it is out of service.Based on this, energy
Enough blowing the dust stratification of heat exchanger surface off rapidly and efficiently, promote the dust removing effects of unit, promote unit heat exchange efficiency.
When triggering blower reversion operation, the reversion operation of blower has running frequency.About setting for the running frequency
It is fixed, it can be and run according to preset operating frequency, frequency can also be carried out for dust removal operation each time on this basis
Amendment, to be further ensured that dust removing effects.Based on this, the embodiment of the invention provides a kind of preferred embodiments, that is, are based on
Default correction strategy is modified the running frequency of blower, obtains revised running frequency.Specifically, based on default amendment
Strategy determines frequency correction value；Revised running frequency is obtained by following formula: revised running frequency=default first
Beginning frequency+frequency correction value；Wherein, the running frequency of blower is default original frequency in dust removal operation for the first time.
At least two default correction strategies are present embodiments provided, the first is: according to current dust removal operation and preceding primary
The interval time of dust removal operation determines frequency correction value；Wherein, interval time is longer, and frequency correction value is smaller.Second is:
Determine current dust removal operation is which time dust removal operation after unit starting up；According to the number of dust removal operation, determine and its
Corresponding frequency correction value；Wherein, number is more, running frequency deviate it is bigger, need it is modified more, so frequency correction value
It is bigger.
It should be noted that the corresponding relationship of interval time and frequency correction value, alternatively, dedusting number and frequency correction value
Corresponding relationship, can be arranged in advance or modify at any time, such as be set as linear corresponding relation, proportionate relationship, or a pair of
One relationship etc..
Embodiment 2
Fig. 2 is unit dedusting adjustment flow chart according to an embodiment of the present invention, as shown in Fig. 2, the process includes following step
It is rapid:
Step S201, unit starting；
Step S202 detects the parameters such as operational mode, compressor Suck and exhaust pressure, the compressor current of unit, and carries out
Comprehensive descision；If unit is cooling operation mode, S203 is thened follow the steps, if unit is heating operation mode, is executed
Step S204；
Step S203, if unit is in refrigeration mode, sensed system parameter meets any of the following conditions: 1, compressor
Pressure at expulsion > A；2, suction pressure of compressor > B；3, compressor current > C, then it is assumed that system heat exchanger superficial dust executes
Step S205；
Step S204, if unit is in heating mode, sensed system parameter meets any of the following conditions: 1, compressor
Pressure at expulsion < C；2, suction pressure of compressor < D；3, compressor current < E, then it is assumed that system heat exchanger superficial dust executes
Step S205；
Step S205, unit enter dedusting mode.
After system enters dedusting mode, compressor and unit throttle are out of service, outdoor fan inverted running, operation
Frequency is H+ △ h.When being dusted mode for the first time, blower initial launch frequency is H, and △ h is frequency compensation value.
Later, the interval time that dedusting mode is entered according to unit, running frequency when inverting to blower, which compensates, repairs
Just, dust removing effects are further increased.Alternatively, enter the number of dedusting mode according to unit, running frequency when being inverted to blower
It compensates and corrects, further increases dust removing effects.
Table 1
| Dedusting interval time twice | △h |
| ≤t1 | f1 |
| T1 < t≤t2 | f2 |
| T2 < t≤t3 | f3 |
| > t3 | f4 |
The corresponding relationship of dedusting interval time Yu frequency correction value shown in table 1, wherein the frequency correction value of blower with
The increase of the interval time of dedusting twice and reduce, it may be assumed that f1> f2> f3> f4。
Embodiment 3
Corresponding to the unit dedusting control method of Fig. 1 introduction, a kind of unit dedusting control device is present embodiments provided, such as
The structural block diagram of unit dedusting control device shown in Fig. 3, the device include:
Module 10 is obtained, for obtaining the operating parameter of unit；
Judgment module 20 is connected to and obtains module 10, for judging whether operating parameter meets preset condition；
Dedusting module 30 is connected to judgment module 20, for after operating parameter meets preset condition, triggering to execute dedusting
Operation；
Correction module 40 is connected to dedusting module 30, for being carried out based on running frequency of the default correction strategy to blower
Amendment, obtains revised running frequency；And control blower and run according to revised running frequency, to execute current dedusting behaviour
Make.
Through this embodiment, judge that set heat exchange device is accumulated with the presence or absence of dust using the operating parameter of unit, thus
Dust removal operation is triggered, and the running frequency of blower in dust removal operation is modified, to guarantee dust removing effects, unit is promoted and changes
The thermal efficiency.
In the present embodiment, the operating parameter of unit at least may include following one: Compressor Discharge Pressure, compressor
Pressure of inspiration(Pi), compressor current.Certainly, for other operating parameters of unit, if be able to reflect the operation conditions of unit and
Convenient for monitoring, the judgement that above-mentioned operating parameter carries out subsequent preset condition can be used as.
Above-mentioned judgment module 20, comprising: mode confirmation unit, for determining that unit is in refrigeration mode or heating mode；
First judging unit, for when unit is in refrigeration mode, judging whether at least one of operating parameter is higher than the parameter
Corresponding threshold value, if so, determining that operating parameter meets preset condition；Second judgment unit, for being in heating mould in unit
When formula, at least one of operating parameter is judged whether lower than the corresponding threshold value of the parameter, if so, determining that operating parameter meets
Preset condition.Any one parameter in the operating parameter of the present embodiment has its corresponding threshold value.
It, being capable of judgement heat exchanger surface promptly and accurately by the way that above-mentioned operating parameter to be compared with threshold value based on this
Whether dust stratification, provide a kind of heat exchanger dust stratification detection scheme of efficiently and accurately, also provide basis for subsequent triggers dust removal operation.
Above-mentioned dedusting module 30 is specifically used for triggering blower reversion operation；And control compressor and unit throttle it is equal
It is out of service.Based on this, rapidly and efficiently the dust stratification of heat exchanger surface can be blown off, promote the dust removing effects of unit, promoted
Set heat exchange efficiency.
Above-mentioned correction module 40 may include: correction value determination unit, for determining that frequency is repaired based on default correction strategy
Positive value；Corrected Calculation unit, for obtaining revised running frequency by following formula: revised running frequency=default
Original frequency+frequency correction value；Wherein, the running frequency of blower is default original frequency in dust removal operation for the first time.To be directed to
Dust removal operation each time carries out the amendment of frequency, is further ensured that dust removing effects.
At least two default correction strategies are present embodiments provided, specifically, above-mentioned correction value determination unit is specifically used for
According to the interval time of current dust removal operation and a preceding dust removal operation, frequency correction value is determined；Wherein, interval time is longer,
Frequency correction value is smaller.Alternatively, above-mentioned correction value determination unit, is unit starting up specifically for the current dust removal operation of determination
Which time dust removal operation afterwards；According to the number of dust removal operation, corresponding frequency correction value is determined；Wherein, number is more,
Frequency correction value is bigger.
It should be noted that the corresponding relationship of interval time and frequency correction value, alternatively, dedusting number and frequency correction value
Corresponding relationship, can be arranged in advance or modify at any time, such as be set as linear corresponding relation, proportionate relationship, or a pair of
One relationship etc..
The present embodiment additionally provides a kind of unit, which includes the unit dedusting control device of above-mentioned introduction, to realize
Dust-cleaning scheme and dedusting amendment scheme for unit.Method provided by the embodiment of the present invention can be performed in the product, has and holds
The corresponding functional module of row method and beneficial effect.The not technical detail of detailed description in the present embodiment, reference can be made to of the invention
Method provided by embodiment.
Embodiment 4
The embodiment of the invention provides a kind of nonvolatile computer storage media, the computer storage medium is stored with
Being dusted in above-mentioned any means embodiment to unit can be performed in computer executable instructions, the computer executable instructions
And the modified method of dedusting.
Then we have proposed a kind of judges that set heat exchange device is accumulated with the presence or absence of dust using unit operating parameter, control
Outdoor fan processed is inverted, and heat exchanging device is dusted processing, promotes unit heat exchange efficiency.
From the above description it is found that present invention primarily improves following technical schemes:
1, the parametric synthesis such as unit parameter, including compressor current, Suck and exhaust pressure, unit operational mode analysis is analyzed,
Judge whether heat exchanger accumulates dust；
2, after confirming set heat exchange device superficial dust, unit blower is issued and is ordered, allows blower to rotate backward, will exchange heat
Device surface dirt is blown off；
3, the time interval of dedusting mode is entered according to unit to be modified to blower reversal frequency, guarantees dedusting effect
Fruit.
To guarantee dust removing effects, unit heat exchange efficiency is promoted.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (16)
1. a kind of unit dedusting control method characterized by comprising
The operating parameter of unit is obtained, and judges whether the operating parameter meets preset condition；
After the operating parameter meets preset condition, triggering executes dust removal operation；
It is modified based on running frequency of the default correction strategy to blower, obtains revised running frequency；And described in controlling
Blower is run according to revised running frequency, to execute current dust removal operation.
2. the method according to claim 1, wherein the operating parameter of the unit includes at least following one:
Compressor Discharge Pressure, suction pressure of compressor, compressor current.
3. being wrapped the method according to claim 1, wherein judging whether the operating parameter meets preset condition
It includes:
Determine that unit is in refrigeration mode or heating mode；
If unit is in refrigeration mode, judge whether at least one of described operating parameter is higher than the corresponding threshold of the parameter
Value, if so, determining that the operating parameter meets preset condition；
If unit is in heating mode, judge at least one of described operating parameter whether lower than the corresponding threshold of the parameter
Value, if so, determining that the operating parameter meets preset condition.
4. the method according to claim 1, wherein triggering executes dust removal operation, comprising:
Trigger blower reversion operation；And
It controls compressor and unit throttle is out of service.
5. the method according to claim 1, wherein being carried out based on running frequency of the default correction strategy to blower
Amendment, obtains revised running frequency, comprising:
Frequency correction value is determined based on default correction strategy；
Revised running frequency is obtained by following formula: revised running frequency=default original frequency+frequency
Correction value；Wherein, the running frequency of blower is default original frequency in dust removal operation for the first time.
6. according to the method described in claim 5, it is characterized in that, determining frequency correction value based on default correction strategy, comprising:
According to the interval time of current dust removal operation and a preceding dust removal operation, frequency correction value is determined；Wherein, when the interval
Between it is longer, the frequency correction value is smaller.
7. according to the method described in claim 5, it is characterized in that, determining frequency correction value based on default correction strategy, comprising:
Determine current dust removal operation is which time dust removal operation after unit starting up；
According to the number of dust removal operation, corresponding frequency correction value is determined；Wherein, the number is more, and the frequency is repaired
Positive value is bigger.
8. a kind of unit dedusting control device characterized by comprising
Module is obtained, for obtaining the operating parameter of unit；
Judgment module, for judging whether the operating parameter meets preset condition；
Dedusting module, for after the operating parameter meets preset condition, triggering to execute dust removal operation；
Correction module obtains revised operation frequency for being modified based on running frequency of the default correction strategy to blower
Rate；And control the blower and run according to revised running frequency, to execute current dust removal operation.
9. device according to claim 8, which is characterized in that the operating parameter of the unit includes at least following one:
Compressor Discharge Pressure, suction pressure of compressor, compressor current.
10. device according to claim 8, which is characterized in that the judgment module, comprising:
Mode confirmation unit, for determining that unit is in refrigeration mode or heating mode；
First judging unit, for judging whether at least one of described operating parameter is high when unit is in refrigeration mode
In the corresponding threshold value of the parameter, if so, determining that the operating parameter meets preset condition；
Second judgment unit, for judging whether at least one of described operating parameter is low when unit is in heating mode
In the corresponding threshold value of the parameter, if so, determining that the operating parameter meets preset condition.
11. device according to claim 8, which is characterized in that
The dedusting module is specifically used for triggering blower reversion operation；And control compressor and unit throttle stop transporting
Row.
12. device according to claim 8, which is characterized in that the correction module, comprising:
Correction value determination unit, for determining frequency correction value based on default correction strategy；
Corrected Calculation unit, for obtaining revised running frequency by following formula: revised running frequency=default
Original frequency+frequency correction value；Wherein, the running frequency of blower is default original frequency in dust removal operation for the first time.
13. device according to claim 12, which is characterized in that
The correction value determination unit, specifically for the interval time according to current dust removal operation and a preceding dust removal operation, really
Determine frequency correction value；Wherein, the interval time is longer, and the frequency correction value is smaller.
14. device according to claim 12, which is characterized in that
The correction value determination unit is which time dedusting behaviour after unit starting up specifically for the current dust removal operation of determination
Make；According to the number of dust removal operation, corresponding frequency correction value is determined；Wherein, the number is more, the frequency amendment
It is worth bigger.
15. a kind of unit, which is characterized in that including unit dedusting control device described in any one of claim 8 to 14.
16. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that described program is processed
The method as described in any one of claims 1 to 7 is realized when device executes.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567209A (en) * | 2019-09-07 | 2019-12-13 | 珠海格力智能装备有限公司 | control device and method for detecting blockage of condenser and refrigeration equipment |
| CN111637514A (en) * | 2020-06-09 | 2020-09-08 | 内蒙古星空能源发展有限公司 | Winter geothermal multi-energy complementary heat pump heating system and method for northern severe cold area |
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| CN115235155A (en) * | 2022-08-25 | 2022-10-25 | 长沙中谷智能设备制造有限公司 | Intelligent cooling system of vending machine and control method |
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