CN112594891A - Air conditioner dust prevention control method, outdoor unit and air conditioner - Google Patents
Air conditioner dust prevention control method, outdoor unit and air conditioner Download PDFInfo
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- CN112594891A CN112594891A CN202110048444.2A CN202110048444A CN112594891A CN 112594891 A CN112594891 A CN 112594891A CN 202110048444 A CN202110048444 A CN 202110048444A CN 112594891 A CN112594891 A CN 112594891A
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- air conditioner
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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
- F24F11/62—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
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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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
- F24F11/62—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
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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
- F24F11/88—Electrical aspects, e.g. circuits
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a dust-proof control method for an air conditioner, which is characterized by comprising the following steps of: acquiring outdoor temperature, outdoor motor current value and condenser middle temperature value when the refrigeration mode is operated; according to the outdoor motor current value I and a preset protection current value I0And the condenser middle temperature value T3B and a preset temperature value T3B0And (4) judging whether the air conditioner needs to enter a dustproof mode or not. Promote user experience, when dirty stifled certain degree that reaches, the parameter that the accessible was gathered combines the more audio-visual judgement of display element whether need wash, and after-sales maintenance personnel can carry out the washing of pertinence to the external machine, quick solution problem。
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a control method for dust prevention of an air conditioner, an outdoor unit and the air conditioner.
Background
The air conditioner has become a part of people's life as a refrigerating or heating device, and improves the comfort of people's life, but the operation of the air conditioner needs to consume more electric energy. The period of operation of the air conditioner is also long, and there is no problem in operating for 10 years in general. As the operating time of the air conditioner is prolonged, the outdoor environment accumulates thick dust, and particularly, the dust accumulation speed is higher under the condition of bad outdoor environment. Since the outdoor unit of the air conditioner accumulates dust, its ventilation effect and heat transfer effect are deteriorated, and if it is necessary to achieve the previous cooling or heating capability, it will consume more electric energy and cause more waste.
When a user uses the air conditioner, the running environment of the outdoor unit is generally severe, after the outdoor unit runs for a period of time, the condenser scales, so that the refrigerating and heating effects are influenced, and the outdoor unit is arranged on the outer wall, so that the state of the heat exchanger is inconvenient to confirm, and troubles are brought to the problem of after-sale troubleshooting.
Disclosure of Invention
The invention aims to solve the technical problem of dust prevention of the existing air conditioner, and provides a dust prevention control method of the air conditioner, an outdoor unit and the air conditioner.
The technical scheme adopted by the invention for solving the technical problems is as follows: the control method for preventing dust of the air conditioner is characterized by comprising the following steps of:
acquiring outdoor temperature, outdoor motor current value and condenser middle temperature value when the refrigeration mode is operated;
according to the outdoor motor current value I and a preset protection current value I0And the condenser middle temperature value T3B and a preset temperature value T3B0And (4) judging whether the air conditioner needs to enter a dustproof mode or not.
Specifically, the judgment of whether the air conditioner needs to enter a dustproof mode is carried out according to the relation between the outdoor motor current value and a preset protection current value and the relation between the condenser middle temperature value and a preset temperature value; before the step, the method also comprises the following steps: when the condenser middle temperature value T3B is less than or equal to a preset temperature value T3B0When the air conditioner works, the air conditioner normally runs;
when the temperature value T3B of the middle part of the condenser is larger than the preset temperature value T3B0And detecting the outdoor motor current I.
In particular, the method comprises the following steps of,after entering the dustproof mode, when the actual running current is: presetting a protection current value I0Current I < outdoor motor equal to or less than 1.1 preset protection current value I0Then the rotating speed of the outer fan rises until the temperature value T3B in the middle of the condenser is less than or equal to the preset temperature value T3B0。
Specifically, after the external fan enters the dustproof mode, when the rotating speed of the external fan is increased to the highest windshield, the middle temperature value T3B of the condenser is larger than the preset temperature value T3B0The air conditioner displays the full protection of the external machine.
Specifically, after entering the dustproof mode, when the outdoor motor current I of the outdoor motor current chamber is larger than 1.1, the preset protection current value I0And the air conditioner displays the outdoor machine to be protected full of dust.
Specifically, the air conditioner display external unit dust fullness protection is displayed through a display unit.
Specifically, the outdoor temperature acquires a plurality of corresponding preset protection current values I under different outdoor temperatures T40。
Specifically, the outdoor temperature is obtained by collecting a plurality of preset temperature values T3B corresponding to different outdoor temperatures T40。
The invention also provides an outdoor unit, which comprises an external fan and a condenser, and is characterized by comprising:
the acquisition unit is used for acquiring the outdoor motor current value and the condenser middle temperature value when the refrigeration mode is operated;
a control unit for controlling the outdoor motor according to the current value I and a preset protection current value I0And the condenser middle temperature value T3B and a preset temperature value T3B0Controlling whether the air conditioner needs to enter a dustproof mode or not;
and the display unit is used for displaying whether the air conditioner needs to be fully protected by external dust.
The invention also provides an air conditioner which executes the control method of any one of the above and/or comprises the outdoor unit.
The outdoor unit heat exchange device has the advantages that the pressure state of the condenser can be accurately obtained by obtaining the middle temperature value of the condenser according to the relation between the outdoor motor current value and the preset protection current value and the relation between the middle temperature value of the condenser and the preset temperature value, whether the air conditioner needs to enter a dustproof mode or not can be accurately judged, when the outdoor heat exchanger is light in filth blockage degree, the outdoor unit heat exchange effect can be enhanced by improving outdoor air volume, user experience is improved, when the filth blockage reaches a certain degree, whether the air conditioner needs to be cleaned or not can be judged more visually by combining collected parameters with the display unit, after-sales maintenance personnel can perform targeted cleaning on the outdoor unit, and problems are quickly solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of a control method for dust prevention of an air conditioner according to the present invention;
fig. 2 is a schematic structural diagram of an outdoor unit according to the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The control method for preventing dust of the air conditioner is characterized by comprising the following steps of:
acquiring outdoor temperature, outdoor motor current value and condenser middle temperature value when the refrigeration mode is operated;
according to the outdoor motor current value I and a preset protection current value I0And the condenser middle temperature value T3B and a preset temperature value T3B0And (4) judging whether the air conditioner needs to enter a dustproof mode or not.
The dust accumulation degree of the outdoor unit can be reflected according to the current value of the outdoor motor, when the dust accumulation of the outdoor unit is serious, the load of the current value of the outdoor motor is increased, the current of the fan is reduced, but the dust accumulation condition is judged only according to the current value of the outdoor motor, and the fault of the outdoor motor causes the condition of misjudgment.
Further, the step of judging whether the air conditioner needs to enter a dustproof mode or not according to the relation between the outdoor motor current value and a preset protection current value and the relation between the condenser middle temperature value and a preset temperature value; before the step, the method also comprises the following steps: when the condenser middle temperature value T3B is less than or equal to a preset temperature value T3B0When the air conditioner works, the air conditioner normally runs;
when the temperature value T3B of the middle part of the condenser is larger than the preset temperature value T3B0And detecting the outdoor motor current I.
When judging whether the air conditioner needs to enter a dustproof mode according to the relation between the current value of the outdoor motor and a preset protection current value and the relation between the middle temperature value of the condenser and a preset temperature value, if the middle temperature value T3B of the condenser is less than or equal to the preset temperature value T3B0When it is, it means that the dust deposition degree is not seriousThe air conditioner continues to operate normally;
if the temperature value T3B of the middle part of the condenser is more than the preset temperature value T3B0And detecting the outdoor motor current I to prepare for the next step.
Further, after entering the dustproof mode, when the actual operating current is: presetting a protection current value I0Current I < outdoor motor equal to or less than 1.1 preset protection current value I0Then the rotating speed of the outer fan rises until the temperature value T3B in the middle of the condenser is less than or equal to the preset temperature value T3B0。
At a predetermined protection current value I0Current I < outdoor motor equal to or less than 1.1 preset protection current value I0，Dust removal is needed when the influence of the dust deposition degree is shown, the dust removal is carried out through an outer fan until the temperature T3B of the condenser is less than or equal to a preset temperature value T3B0。
Further, after entering the dustproof mode, when the rotating speed of the outer fan is increased to the highest windshield, the middle temperature value T3B of the condenser is larger than the preset temperature value T3B0The air conditioner displays the full protection of the external machine.
When the rotating speed of the outer fan reaches the highest windshield, the temperature value T3B of the middle part of the condenser is larger than the preset temperature value T3B0And if the current accumulated dust is serious and the dust needs to be removed in time, the dust fullness information is transmitted.
Furthermore, after entering the dustproof mode, when the outdoor motor current I of the outdoor motor current chamber is more than 1.1, the preset protection current value I0And the air conditioner displays the outdoor machine to be protected full of dust.
When the outdoor motor current I of the external motor current is more than 1.1, the preset protection current value I0And if the current accumulated dust is serious and the dust needs to be removed in time, the dust fullness information is transmitted.
Further, the air conditioner display external machine dust fullness protection is displayed through a display unit.
Whether cleaning is needed or not can be clearly and visually judged by adopting the display unit.
Further, the outdoor temperature acquires a plurality of corresponding preset protection current values I under different outdoor temperatures T40。
The dust accumulation condition of the air conditioner at various different temperatures can be accurately judged by combining different outdoor temperatures corresponding to different preset protection current values.
Further, the outdoor temperature acquires a plurality of preset temperature values T3B corresponding to different outdoor temperatures T40。
The dust accumulation condition of the air conditioner at various different temperatures can be more accurately judged by combining different outdoor temperatures corresponding to different preset temperature values.
The invention also provides an outdoor unit, which comprises an external fan and a condenser, and is characterized by comprising:
the acquisition unit is used for acquiring the outdoor motor current value and the condenser middle temperature value when the refrigeration mode is operated;
a control unit for controlling the outdoor motor according to the current value I and a preset protection current value I0And the condenser middle temperature value T3B and a preset temperature value T3B0Controlling whether the air conditioner needs to enter a dustproof mode or not;
and the display unit is used for displaying whether the air conditioner needs to be fully protected by external dust.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the outdoor unit described above may refer to the corresponding process in the foregoing method embodiment, and is not described herein again.
The invention further provides an air conditioner, the air conditioner executes the control method of any one of the above, and/or the air conditioner comprises the outdoor unit.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the air conditioner described above may refer to the corresponding process in the foregoing method embodiment, and is not described herein again.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The application can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. The control method for preventing dust of the air conditioner is characterized by comprising the following steps of:
acquiring outdoor temperature, outdoor motor current value and condenser middle temperature value when the refrigeration mode is operated;
according to the outdoor motor current value I and a preset protection current value I0And the condenser middle temperature value T3B and a preset temperature value T3B0And (4) judging whether the air conditioner needs to enter a dustproof mode or not.
2. The air conditioner dustproof control method according to claim 1, wherein the air conditioner is judged whether to enter a dustproof mode according to a relation between the outdoor motor current value and a preset protection current value and a relation between the condenser middle temperature value and a preset temperature value; before the step, the method also comprises the following steps: when said condensation is carried outThe middle temperature value T3B is less than or equal to the preset temperature value T3B0When the air conditioner works, the air conditioner normally runs;
when the temperature value T3B of the middle part of the condenser is larger than the preset temperature value T3B0And detecting the outdoor motor current I.
3. The dustproof control method of the air conditioner according to claim 1, wherein after entering the dustproof mode, when the actual operation current is: when the preset protection current value I0 is larger than the outdoor motor current I and is not more than 1.1 and the preset protection current value I0 is larger, the rotating speed of the outer fan rises until the temperature value T3B in the middle of the condenser is not more than the preset temperature value T3B0。
4. The method of claim 1, wherein after entering the dustproof mode, when the speed of the external fan is increased to the highest level, until the temperature T3B at the middle of the condenser is greater than the predetermined temperature T3B0The air conditioner displays the full protection of the external machine.
5. The dustproof control method for air conditioner according to claim 1, wherein after entering the dustproof mode, when the outdoor motor current I > 1.1 x the preset protection current value I is obtained0And the air conditioner displays the outdoor machine to be protected full of dust.
6. The method for controlling dust control of an air conditioner according to claim 4 or 5, wherein the display of outdoor dust protection of the air conditioner is displayed through a display unit.
7. The air conditioner dust-proof control method according to claim 1, wherein the outdoor temperature acquires a plurality of corresponding preset protection current values I under different outdoor temperatures T40。
8. The air conditioner dust-proof control method according to claim 1, wherein the outdoor temperature is set to collect a plurality of preset temperature values T3B corresponding to different outdoor temperatures T40。
9. The utility model provides an outdoor unit, outdoor unit includes outer fan and condenser, its characterized in that includes:
the acquisition unit is used for acquiring the outdoor motor current value and the condenser middle temperature value when the refrigeration mode is operated;
a control unit for controlling the outdoor motor according to the current value I and a preset protection current value I0And the condenser middle temperature value T3B and a preset temperature value T3B0Controlling whether the air conditioner needs to enter a dustproof mode or not;
and the display unit is used for displaying whether the air conditioner needs to be fully protected by external dust.
10. An air conditioner, characterized in that: the air conditioner performs the control method of any one of claims 1 to 8, and/or the air conditioner includes the outdoor unit of any one of claim 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110048444.2A CN112594891A (en) | 2021-01-14 | 2021-01-14 | Air conditioner dust prevention control method, outdoor unit and air conditioner |
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| CN202110048444.2A CN112594891A (en) | 2021-01-14 | 2021-01-14 | Air conditioner dust prevention control method, outdoor unit and air conditioner |
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Cited By (1)
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| CN115235041A (en) * | 2022-07-18 | 2022-10-25 | 株洲麦格米特电气有限责任公司 | Air conditioner fault detection method and device and air conditioner |
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