CN110567118A - Automatic dust removal method and device for unit and unit - Google Patents

Automatic dust removal method and device for unit and unit Download PDF

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Publication number
CN110567118A
CN110567118A CN201910828832.5A CN201910828832A CN110567118A CN 110567118 A CN110567118 A CN 110567118A CN 201910828832 A CN201910828832 A CN 201910828832A CN 110567118 A CN110567118 A CN 110567118A
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China
Prior art keywords
temperature
dust removal
condition
reached
unit
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Granted
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CN201910828832.5A
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Chinese (zh)
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CN110567118B (en
Inventor
彭斌
牛一凡
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201910828832.5A priority Critical patent/CN110567118B/en
Publication of CN110567118A publication Critical patent/CN110567118A/en
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Classifications

    • 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
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • 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
    • 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

Abstract

The invention discloses an automatic dedusting method and device for a unit and the unit. Wherein, the method comprises the following steps: monitoring the outdoor temperature and the temperature of the outer pipe of the condenser; judging whether the dust removal condition is met or not according to the outdoor temperature and the temperature of the outer pipe; and if so, further judging whether a shutdown condition is reached according to the indoor temperature, and executing dust removal operation after the shutdown condition is reached. The invention combines various temperature parameters, sequentially judges the dust removal condition and the shutdown condition, and executes the dust removal operation under the condition that the two conditions are both satisfied. Therefore, the automatic dust removal of the unit is realized by combining environmental factors, the problems of low refrigerating capacity and poor reliability of the condenser caused by dust accumulation or dirt blockage are solved, the reliability of the unit is improved, and the service life is prolonged.

Description

automatic dust removal method and device for unit and unit
Technical Field
The invention relates to the technical field of units, in particular to an automatic dust removal method and device for a unit and the unit.
Background
At present, when an outdoor unit of an air conditioner operates for a long time outdoors, particularly in a region with serious sand dust in the middle east, dust is easily accumulated on a heat exchanger of the outdoor unit, so that the heat exchange effect is seriously reduced, the refrigerating capacity is gradually reduced, and meanwhile, the problems of reliability such as high-pressure protection, exhaust protection and the like easily occur. And because the outer machine of air conditioner installs in the high building outer wall, be particularly unfavorable for after-sales engineer's maintenance. How to realize the automatic dust removal of the condenser of the outer unit and not influence the normal operation of the air conditioner becomes an industrial problem.
Aiming at the problem of how to combine environmental factors to automatically remove dust of a unit in the prior art, an effective solution is not provided at present.
disclosure of Invention
the embodiment of the invention provides a method, a device and a unit for automatically dedusting a unit, and aims to solve the problem of how to automatically dedusting the unit by combining environmental factors in the prior art.
In order to solve the technical problem, the invention provides an automatic dust removal method for a unit, wherein the method comprises the following steps: monitoring the outdoor temperature and the temperature of the outer pipe of the condenser; judging whether a dust removal condition is met or not according to the outdoor temperature and the temperature of the outer pipe; and if so, further judging whether a shutdown condition is reached according to the indoor temperature, and executing dust removal operation after the shutdown condition is reached.
Further, judging whether a dust removal condition is reached according to the outer tube temperature and the outdoor temperature includes: determining a temperature interval in which the outdoor temperature is located; judging whether the temperature of the outer pipe is greater than or equal to a preset threshold corresponding to the temperature interval; wherein, different temperature intervals correspond to different preset thresholds; if so, judging that the dust removal condition is reached; if not, judging that the dust removal condition is not reached.
Further, before judging whether the shutdown condition is reached according to the indoor temperature, the method further comprises the following steps: and acquiring the current indoor temperature.
Further, judging whether a shutdown condition is reached according to the indoor temperature includes: judging whether the difference value of the indoor temperature and a preset temperature accords with a preset range or not; if yes, judging that a shutdown condition is reached; if not, the shutdown condition is determined not to be reached.
Further, performing a dust removal operation, including: controlling the compressor to stop; controlling the outer fan to switch from positive rotation to reverse rotation; and controlling the inner fan to operate according to a set windshield.
further, after the dust removing operation is performed, the method further comprises the following steps: and judging whether a shutdown condition is reached or not according to the current indoor temperature every preset time length since the dust removal operation is executed, and if not, quitting the dust removal operation.
Further, exiting the dust removal operation comprises: controlling the compressor to be started; controlling the outer fan to switch from reverse rotation to forward rotation; and controlling the inner fan to operate according to a set windshield.
further, the method further comprises: and if the dust removal condition is not met or the shutdown condition is not met, the normal operation of the unit is kept.
The invention also provides an automatic dust removal device for the unit, wherein the device comprises: the outer ring temperature sensor is used for monitoring the outdoor temperature; the condenser temperature sensor is used for monitoring the temperature of an outer pipe of the condenser; the controller is used for judging whether the dust removal condition is met or not according to the outdoor temperature and the temperature of the outer pipe; if the indoor temperature reaches the preset temperature, whether the shutdown condition is reached is further judged according to the indoor temperature, and a dust removal instruction is sent to the unit after the shutdown condition is reached.
Further, the controller includes: the dust removal judgment module is used for determining the temperature interval of the outdoor temperature; judging whether the temperature of the outer pipe is greater than or equal to a preset threshold corresponding to the temperature interval; wherein, different temperature intervals correspond to different preset thresholds; if so, judging that the dust removal condition is reached; if not, judging that the dust removal condition is not reached.
Further, the apparatus further comprises: and the inner ring temperature sensor is used for acquiring the current indoor temperature.
Further, the controller includes: the shutdown judgment module is used for judging whether the difference value of the indoor temperature and the preset temperature accords with a preset range or not; if yes, judging that a shutdown condition is reached; if not, the shutdown condition is determined not to be reached.
Further, the controller is specifically used for controlling the compressor to stop; controlling the outer fan to switch from positive rotation to reverse rotation; and controlling the inner fan to operate according to a set windshield.
Further, the controller is further configured to judge whether a shutdown condition is met or not according to the current indoor temperature every preset time period since the dust removal operation is performed, and if not, send a dust removal quitting instruction to the unit.
the invention also provides a unit, which is characterized by comprising the automatic dust removal device of the unit.
The invention also provides a computer-readable storage medium, on which a computer program is stored, characterized in that the program, when executed by a processor, implements the method as described above.
By applying the technical scheme of the invention, the dust removal condition and the shutdown condition are sequentially judged by combining various temperature parameters, and the dust removal operation is executed under the condition that the two conditions are both met. Therefore, the automatic dust removal of the unit is realized by combining environmental factors, the problems of low refrigerating capacity and poor reliability of the condenser caused by dust accumulation or dirt blockage are solved, the reliability of the unit is improved, and the service life is prolonged.
Drawings
FIG. 1 is a flow chart of automatic dust removal for a unit according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the dust removing effect according to the embodiment of the present invention;
Fig. 3 is a flow chart illustrating automatic dust removal of an air conditioner external unit according to an embodiment of the present invention;
fig. 4 is a block diagram of an automatic dust removing device of a unit according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.
it is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in the article or device in which the element is included.
Alternative embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Example 1
Fig. 1 is a flow chart of automatic dust removal of a unit according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
step S101, monitoring outdoor temperature and outer tube temperature of a condenser;
Step S102, judging whether a dust removal condition is met according to the outdoor temperature and the temperature of the outer pipe; if yes, executing step S103, if no, executing step S105;
Step S103, judging whether a shutdown condition is reached according to the indoor temperature; if yes, executing step S104, if no, executing step S105;
Step S104, executing dust removal operation;
and step S105, keeping the unit normally running.
The present embodiment combines various temperature parameters, sequentially performs the judgment of the dust removal condition and the shutdown condition, and performs the dust removal operation under the condition that both the two conditions are satisfied. Therefore, the automatic dust removal of the unit is realized by combining environmental factors, the problems of low refrigerating capacity and poor reliability of the condenser caused by dust accumulation or dirt blockage are solved, the reliability of the unit is improved, and the service life is prolonged.
The embodiment can be applied to an air conditioner outdoor unit, and the outdoor unit at least comprises an outer ring temperature sensor, a condenser temperature sensor and an inner ring temperature sensor. The outer ring temperature sensor is used for acquiring outdoor temperature, the condenser temperature sensor is used for acquiring outer tube temperature, and the inner ring temperature sensor is used for acquiring indoor temperature.
After monitoring the outer tube temperature and the outdoor temperature, judging whether the dust removal condition is met according to the outer tube temperature and the outdoor temperature, wherein the method comprises the following steps: determining a temperature interval of the outdoor temperature; judging whether the temperature of the outer pipe is greater than or equal to a preset threshold corresponding to the temperature interval; wherein, different temperature intervals correspond to different preset thresholds; if so, judging that the dust removal condition is reached; if not, judging that the dust removal condition is not reached. Based on the above, the two temperature parameters are simultaneously used as reference parameters of the dust removal condition, so that the dust removal judgment is more accurate.
Table 1 shows the correspondence between different temperature intervals of the outdoor temperature and the preset threshold, where the preset threshold corresponding to the first temperature interval on the left side in the table is: and at 67 ℃, if the outdoor temperature falls into the first interval on the left side in the table, judging whether the temperature of the outer pipe is greater than or equal to 67 ℃, and if so, judging that the dust removal condition is reached. If the outdoor temperature falls into the last temperature interval on the left side in the table, the fact that the dust removal condition is not met can be directly determined, and the temperature of the outer pipe does not need to be judged. The last interval on the left side can be referred to as a non-dusting temperature interval.
TABLE 1
Outdoor ambient temperature Condenser temperature sensor
52℃≤Touter ring TOuter tube≥67℃
45℃≤Touter ring＜52℃ TOuter tube≥62℃
40℃≤TOuter ring＜45℃ TOuter tube≥58℃
35℃≤Touter ring＜45℃ TOuter tube≥53
25℃≤TOuter ring＜35℃ TOuter tube≥50
15℃≤TOuter ring＜25℃ TOuter tube≥45
TOuter ring＜15℃ Does not enter the dust removal control
After the dust removal condition is determined to be met, the unit does not immediately perform dust removal operation, but further obtains the current indoor temperature through the inner ring temperature sensor, and then judges whether the shutdown condition is met according to the indoor temperature, which can be specifically realized through the following preferred embodiments: judging whether the difference value of the indoor temperature and the preset temperature accords with a preset range or not; if yes, judging that the shutdown condition is met, and then executing dust removal operation; if not, the shutdown condition is determined not to be reached. Based on this, after the unit is determined to meet the dust removal condition, the dust removal operation is not directly executed, whether dust removal is suitable or not is determined according to the indoor temperature, and if the indoor temperature is too much different from the preset temperature, shutdown is not suitable at the moment, and then dust removal is not suitable. Thereby optimizing the timing of the dust removal operation.
In this embodiment, the dust removal operation is performed, which can be realized by the following preferred means: controlling the compressor to stop; controlling the outer fan to switch from positive rotation to reverse rotation; and controlling the inner fan to operate according to a set windshield. Fig. 2 is a schematic view of the dust removing effect according to the embodiment of the present invention, and as shown in fig. 2, the dust is carried out by the anti-transfer row of the outer fan, thereby achieving the dust removing effect.
For how to automatically exit the dust removal operation, the present embodiment provides the following preferred embodiments: and judging whether a shutdown condition is reached or not according to the current indoor temperature every preset time length since the dust removal operation is executed, and if not, quitting the dust removal operation. The operation of quitting dust removal can be realized by the following technical means: controlling the compressor to be started; and controlling the outer fan to switch from reverse rotation to forward rotation; and controlling the inner fan to operate according to a set windshield. Based on this, provide the mode that withdraws from dust removal operation automatically, avoid dust removal operation duration overlength to lead to the compressor to shut down for a long time, improve user's travelling comfort.
Example 2
Fig. 3 is a flowchart illustrating an automatic dust removal process of an air conditioner external unit according to an embodiment of the present invention, and as shown in fig. 3, the automatic dust removal method of the air conditioner external unit includes: by the outdoor temperature TOuter ringcorresponding to the outer tube temperature TOuter tubejudging whether a dust removal condition is reached, Touter tubeif the measured value is larger than the corresponding preset threshold value listed on the right side of the table 1, the condenser is judged to be seriously polluted, and the dust removal condition is achieved. Then, T is comparedInner ringand TSetting upIf the temperature stopping condition (also called stopping condition for short) is met, if T isInner ring-TSetting upAnd (4) less than or equal to T, wherein the range of the value T can be determined according to the actual condition, for example, T can be set to (-5-0) DEG C, and then the condition of stopping the machine at the temperature is judged to be met, and the dedusting action is carried out. The specific actions of automatic dust removal can be at least: the compressor stops, the outer fan is switched from positive rotation to negative rotation, and the inner fan continues to operate according to a set windshield. When the compressor stops for more than a preset time (for example, the preset time can be set to 3min), the current T is judged againinner ring-TSetting upIf T is less than or equal to T, if not, the dust removal action is withdrawn. The outer fan is switched to positive rotation from negative rotation, the compressor is started, and the inner fan runs according to a set windshield. The whole dust removal process does not influence the comfort of users, ensures the reliability of the unit and simultaneously achieves the aim of automatic dust removal.
Example 3
corresponding to the automatic dust removing method for a unit introduced in fig. 1, this embodiment provides an automatic dust removing device for a unit, as shown in a block diagram of the structure of the automatic dust removing device for a unit shown in fig. 4, the device includes:
The outer ring temperature sensor is used for monitoring the outdoor temperature;
the condenser temperature sensor is used for monitoring the temperature of an outer pipe of the condenser;
The controller is used for judging whether the dust removal condition is met according to the outdoor temperature and the temperature of the outer pipe; if the indoor temperature reaches the preset temperature, whether the shutdown condition is reached is further judged according to the indoor temperature, and a dust removal instruction is sent to the unit after the shutdown condition is reached.
The present embodiment combines various temperature parameters, sequentially performs the judgment of the dust removal condition and the shutdown condition, and performs the dust removal operation under the condition that both the two conditions are satisfied. Therefore, the automatic dust removal of the unit is realized by combining environmental factors, the problems of low refrigerating capacity and poor reliability of the condenser caused by dust accumulation or dirt blockage are solved, the reliability of the unit is improved, and the service life is prolonged.
The controller at least includes: the dust removal judgment module is used for determining a temperature interval where the outdoor temperature is located; judging whether the temperature of the outer pipe is greater than or equal to a preset threshold corresponding to the temperature interval; wherein, different temperature intervals correspond to different preset thresholds; if so, judging that the dust removal condition is reached; if not, judging that the dust removal condition is not reached. Based on the above, the two temperature parameters are simultaneously used as reference parameters of the dust removal condition, so that the dust removal judgment is more accurate.
The above-mentioned device still includes: and the inner ring temperature sensor is used for acquiring the current indoor temperature. The controller may include: the shutdown judgment module is used for judging whether the difference value of the indoor temperature and the preset temperature accords with a preset range or not; if yes, judging that a shutdown condition is reached; if not, the shutdown condition is determined not to be reached. Based on this, after the unit is determined to meet the dust removal condition, the dust removal operation is not directly executed, whether dust removal is suitable or not is determined according to the indoor temperature, and if the indoor temperature is too much different from the preset temperature, shutdown is not suitable at the moment, and then dust removal is not suitable. Thereby optimizing the timing of the dust removal operation.
The controller is specifically used for controlling the compressor to stop; controlling the outer fan to switch from positive rotation to reverse rotation; and controlling the inner fan to operate according to a set windshield. And the controller is also used for judging whether a shutdown condition is met or not according to the current indoor temperature every preset time length since the dust removal operation is executed, and if not, sending a dust removal quitting instruction to the unit. Based on this, provide the mode that withdraws from dust removal operation automatically, avoid dust removal operation duration overlength to lead to the compressor to shut down for a long time, improve user's travelling comfort.
The embodiment also provides a unit, and the unit comprises the automatic dust removal device for the unit introduced in the embodiment. The unit at least comprises: an outer ring temperature sensor, a condenser temperature sensor, an inner ring temperature sensor, a motor, a compressor, a condenser, a controller and other parts.
Example 4
The embodiment of the invention provides a nonvolatile computer storage medium, wherein a computer executable instruction is stored in the computer storage medium and can execute the automatic dedusting method of the unit in any method embodiment. The method has the corresponding functional modules and beneficial effects of the execution method. For technical details that are not described in detail in this embodiment, reference may be made to the method provided by the embodiment of the present invention.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (16)

1. an automatic dust removal method for a unit is characterized by comprising the following steps:
Monitoring the outdoor temperature and the temperature of the outer pipe of the condenser;
Judging whether a dust removal condition is met or not according to the outdoor temperature and the temperature of the outer pipe;
And if so, further judging whether a shutdown condition is reached according to the indoor temperature, and executing dust removal operation after the shutdown condition is reached.
2. The method of claim 1, wherein determining whether a dust removal condition is reached based on the outer tube temperature and the outdoor temperature comprises:
Determining a temperature interval in which the outdoor temperature is located;
Judging whether the temperature of the outer pipe is greater than or equal to a preset threshold corresponding to the temperature interval; wherein, different temperature intervals correspond to different preset thresholds;
if so, judging that the dust removal condition is reached; if not, judging that the dust removal condition is not reached.
3. The method of claim 1, wherein before determining whether the shutdown condition is reached based on the indoor temperature, the method further comprises:
and acquiring the current indoor temperature.
4. the method of claim 1, wherein determining whether a shutdown condition is reached based on the indoor temperature comprises:
Judging whether the difference value of the indoor temperature and a preset temperature accords with a preset range or not;
If yes, judging that a shutdown condition is reached; if not, the shutdown condition is determined not to be reached.
5. the method of claim 1, wherein performing a dust removal operation comprises:
Controlling the compressor to stop; and the number of the first and second groups,
Controlling the outer fan to switch from positive rotation to reverse rotation; and the number of the first and second groups,
And controlling the inner fan to operate according to a set windshield.
6. the method of claim 1, wherein after performing the dust removal operation, further comprising:
And judging whether a shutdown condition is reached or not according to the current indoor temperature every preset time length since the dust removal operation is executed, and if not, quitting the dust removal operation.
7. the method of claim 6, wherein exiting the dust removal operation comprises:
Controlling the compressor to be started; and the number of the first and second groups,
Controlling the outer fan to switch from reverse rotation to forward rotation; and the number of the first and second groups,
and controlling the inner fan to operate according to a set windshield.
8. The method of claim 1, further comprising:
And if the dust removal condition is not met or the shutdown condition is not met, the normal operation of the unit is kept.
9. The utility model provides an automatic dust collector of unit, its characterized in that, the device includes:
The outer ring temperature sensor is used for monitoring the outdoor temperature;
the condenser temperature sensor is used for monitoring the temperature of an outer pipe of the condenser;
The controller is used for judging whether the dust removal condition is met or not according to the outdoor temperature and the temperature of the outer pipe; if the indoor temperature reaches the preset temperature, whether the shutdown condition is reached is further judged according to the indoor temperature, and a dust removal instruction is sent to the unit after the shutdown condition is reached.
10. The apparatus of claim 9, wherein the controller comprises:
The dust removal judgment module is used for determining the temperature interval of the outdoor temperature; judging whether the temperature of the outer pipe is greater than or equal to a preset threshold corresponding to the temperature interval; wherein, different temperature intervals correspond to different preset thresholds; if so, judging that the dust removal condition is reached; if not, judging that the dust removal condition is not reached.
11. the apparatus of claim 9, further comprising:
And the inner ring temperature sensor is used for acquiring the current indoor temperature.
12. The apparatus of claim 9, wherein the controller comprises:
the shutdown judgment module is used for judging whether the difference value of the indoor temperature and the preset temperature accords with a preset range or not; if yes, judging that a shutdown condition is reached; if not, the shutdown condition is determined not to be reached.
13. the apparatus of claim 9,
The controller is specifically used for controlling the compressor to stop; controlling the outer fan to switch from positive rotation to reverse rotation; and controlling the inner fan to operate according to a set windshield.
14. The apparatus of claim 9,
And the controller is also used for judging whether a shutdown condition is met or not according to the current indoor temperature every preset time length since the dust removal operation is executed, and if not, sending a dust removal quitting instruction to the unit.
15. An assembly, characterized in that it comprises an automatic dust extraction device of an assembly according to any one of claims 9 to 14.
16. a computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, carries out the method according to any one of claims 1 to 8.
CN201910828832.5A 2019-09-03 2019-09-03 Automatic dust removal method and device for unit and unit Active CN110567118B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
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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
CN111288607A (en) * 2020-03-04 2020-06-16 宁波奥克斯电气股份有限公司 Method and device for detecting filth blockage of air conditioner heat exchanger and air conditioner
CN111637581A (en) * 2020-04-29 2020-09-08 宁波奥克斯电气股份有限公司 Control method for air conditioner dust removal, outdoor unit and air conditioner
CN112283863A (en) * 2020-09-21 2021-01-29 珠海格力电器股份有限公司 Self-cleaning control method and device for air conditioner external unit, storage medium and air conditioner
CN113048621A (en) * 2021-04-30 2021-06-29 宁波奥克斯电气股份有限公司 Automatic dust removal control method and device for outdoor unit and air conditioner
CN114216231A (en) * 2021-12-06 2022-03-22 珠海格力节能环保制冷技术研究中心有限公司 Control method of air conditioner and air conditioner

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