CN114719335A - Air conditioner indoor unit, air conditioner and air conditioner cleaning method - Google Patents
Air conditioner indoor unit, air conditioner and air conditioner cleaning method Download PDFInfo
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- CN114719335A CN114719335A CN202210504390.0A CN202210504390A CN114719335A CN 114719335 A CN114719335 A CN 114719335A CN 202210504390 A CN202210504390 A CN 202210504390A CN 114719335 A CN114719335 A CN 114719335A
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- air conditioner
- indoor unit
- fan
- temperature
- cleaning
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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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
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
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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
- F24F11/41—Defrosting; Preventing freezing
- F24F11/43—Defrosting; Preventing freezing of indoor units
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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
- F24F11/61—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
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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
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention provides an air conditioner indoor unit, an air conditioner and an air conditioner cleaning method, wherein the air conditioner indoor unit comprises: an air duct member; the fan blades of the fan are rotatably arranged in the air duct component; and a spray head of the spray device is arranged in the air duct component to spray cleaning liquid to the inside of the air duct component and the fan blades so as to solve the problem that an air conditioner in the prior art cannot clean the air duct and the fan blades.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner indoor unit, an air conditioner and an air conditioner cleaning method.
Background
At present, with the market of the inverter air conditioner being expanded and the concern of the cleanliness of air in recent years, the air conditioner cleaning function is gradually becoming one of the main demands of the air conditioner for the purchaser.
However, in the self-cleaning mode of the existing air conditioner, only the evaporator and the condenser can be cleaned, but the air duct and the fan blade cannot be cleaned, which may result in poor overall cleaning effect inside the air conditioner.
Disclosure of Invention
The invention mainly aims to provide an air conditioner indoor unit, an air conditioner and an air conditioner cleaning method, and aims to solve the problem that an air conditioner in the prior art cannot clean an air duct and fan blades.
In order to achieve the above object, according to a first aspect of the present invention, there is provided an air conditioning indoor unit including: an air duct member; the fan blades of the fan are rotatably arranged in the air duct component; and a spray head of the spray device is arranged in the air duct component so as to spray cleaning liquid to the interior of the air duct component and the air blades.
Furthermore, the spraying device comprises a liquid storage tank, the liquid storage tank is arranged above a chassis of the indoor unit of the air conditioner, and an outlet of the liquid storage tank is connected with the spray head so as to supply cleaning liquid to the spray head.
Further, the reservoir includes: the box body is arranged above a chassis of the indoor unit of the air conditioner; one end of the external water inlet pipe is connected with the box body, and the other end of the external water inlet pipe is connected with the external liquid supply device; the water pump and the water pump outlet pipe, the entry and the box of water pump are connected, and the export of water pump is connected with the one end of water pump outlet pipe, and the other end and the shower nozzle of water pump outlet pipe are connected.
Furthermore, the air conditioner comprises a water pan, the liquid storage tank comprises a water pan water inlet pipe, one end of the water pan water inlet pipe is connected with the box body, and the other end of the water pan water inlet pipe is connected with the water pan.
Furthermore, the box is cylindrical, and the one end of box is provided with the recess, and the water pump setting is in the recess.
Further, the indoor unit comprises an evaporator and an inner pipe temperature detection component arranged on a heat exchange pipe of the evaporator, and the inner pipe temperature detection component is used for detecting the temperature of the heat exchange pipe of the evaporator and controlling the rotating speed of the fan according to the detection result of the inner pipe temperature detection component.
According to a second aspect of the present invention, an air conditioner is provided, which includes an indoor unit and an outdoor unit, wherein the indoor unit is the above-mentioned air conditioner indoor unit.
Further, the outdoor unit comprises an outdoor environment temperature detection component for detecting the outdoor environment temperature of the outdoor unit, so as to control the rotating speed of the fan according to the detection result of the outdoor environment temperature detection component.
According to a third aspect of the present invention, there is provided an air conditioner cleaning method, the air conditioner cleaning method being applied to the above air conditioner, the air conditioner cleaning method comprising: when receiving an instruction of a user for starting a self-cleaning mode, controlling the air conditioner to operate according to a set control logic; when the air conditioner runs to an inner machine frosting stage in a self-cleaning mode, controlling the air conditioner to be switched from a refrigerating mode to a heating mode, and starting an air duct cleaning stage in the self-cleaning mode; controlling a spray head of the air conditioner to spray cleaning liquid to the inside of an air duct component and a fan blade of the air conditioner, and controlling a fan to rotate at a preset cleaning rotating speed R0Rotating; recording the working time t of the spray head, and judging whether the working time t is greater than or equal to the preset time t0(ii) a When t is more than or equal to t0When the cleaning liquid is sprayed, the spray head is controlled to stop spraying the cleaning liquid, and the control is carried outThe fan continues to rotate.
Further, when the fan is controlled to continue rotating, the air conditioner cleaning method comprises the following steps: obtaining temperature T of heat exchange tube of evaporator of air conditioner1(ii) a Judging the temperature T of the heat exchange tube of the evaporator1Whether it is greater than or equal to the first preset temperature T01(ii) a When T is1≥T01In the meantime, the temperature T of the heat exchange tube of the evaporator is judged1Whether it is greater than or equal to a second preset temperature T02(ii) a When T is1＜T02In time, the fan is controlled to rotate at a first preset drying speed R1Rotating; when T is1≥T02In time, the fan is controlled to be at a second preset drying rotating speed R2Rotating; wherein, T01＜T02，R0＜R1＜R2。
Further, the air conditioner cleaning method comprises the following steps: acquiring the temperature T of the outdoor environment where the outdoor unit of the air conditioner is located2(ii) a According to the temperature T of the outdoor environment2And a third predetermined temperature T03And a fourth preset temperature T04The first preset drying rotating speed R is controlled by the size relation between the first and the second rotating speed1And a second preset drying rotating speed R2The specific numerical values of (a); when T is2≤T03When R is1＝100rpm，R2250 rpm; when T is03＜T2≤T04When R is1＝200rpm，R2350 rpm; when T is04＜T2When R is1＝300rpm，R2400 rpm; wherein, T03＜T04。
Further, the air conditioner cleaning method further comprises the following steps: judgment of T1Whether the temperature is more than or equal to the target temperature T of the fan of the indoor unit when the fan is started in the defrosting and sterilizing stage05(ii) a When T is1≥T05And controlling the fan of the indoor unit to exit from the air duct cleaning stage, and starting an indoor unit defrosting and sterilizing stage in the self-cleaning mode.
By applying the technical scheme, the air-conditioning indoor unit comprises the air duct component, the fan and the injection device, the fan blade of the fan is rotatably arranged in the air duct component, the spray head of the injection device is arranged in the air duct component to spray cleaning liquid to the interior of the air duct component and the fan blade so as to clean the interior of the air duct component and the fan blade, the interior space of the air conditioner can be better cleaned, the overall cleanliness of the air conditioner and the cleanliness of output air are improved, the problem that the air conditioner in the prior art cannot clean the air duct and the fan blade is solved, and therefore the comfortable experience of a user is guaranteed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural view of an embodiment of an air conditioning indoor unit according to the present invention;
fig. 2 is a schematic view showing the construction of a reservoir of a spraying device of an indoor unit of an air conditioner according to the present invention;
fig. 3 shows a flowchart of an embodiment of an air conditioner cleaning method according to the present invention.
Wherein the figures include the following reference numerals:
1. an air duct member; 2. a fan blade; 3. a spray head; 4. a liquid storage tank; 40. a groove; 41. a box body; 42. an external water inlet pipe; 43. a water pump; 44. a water outlet pipe of the water pump; 45. a water inlet pipe of the water receiving plate; 46. and (5) connecting lugs.
Detailed Description
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 and 2, the present invention provides an indoor unit of an air conditioner, including: an air duct member 1; the fan blades 2 of the fan are rotatably arranged in the air duct component 1; and a spray head 3 of the spray device is arranged in the air duct component 1 so as to spray cleaning liquid to the interior of the air duct component 1 and the fan blades 2.
The air conditioner indoor unit comprises an air duct component 1, a fan and an injection device, wherein a fan blade 2 of the fan is rotatably arranged in the air duct component 1, and a spray head 3 of the injection device is arranged in the air duct component 1 to spray cleaning liquid to the interior of the air duct component 1 and the fan blade 2 so as to clean the interior of the air duct component 1 and the fan blade 2, so that the internal space of an air conditioner can be better cleaned, the overall cleanliness of the air conditioner and the cleanliness of output air are improved, the problem that the air conditioner in the prior art cannot clean an air duct and the fan blade is solved, and the comfort experience of a user is ensured.
As shown in fig. 2, the spraying device comprises a liquid storage tank 4, the liquid storage tank 4 is arranged above a chassis of the indoor unit of the air conditioner, and an outlet of the liquid storage tank 4 is connected with the spray head 3 to supply the cleaning liquid to the spray head 3.
Specifically, the indoor unit of the air conditioner is a cabinet, and the liquid storage tank 4 is arranged on the lower side of the cabinet and above the chassis.
As shown in fig. 2, the liquid storage tank 4 includes: a box body 41 arranged above a chassis of the indoor unit of the air conditioner; one end of the external water inlet pipe 42 is connected with the box body 41, and the other end of the external water inlet pipe 42 is connected with an external liquid supply device; the inlet of the water pump 43 is connected with the box body 41, the outlet of the water pump 43 is connected with one end of the water pump water outlet pipe 44, and the other end of the water pump water outlet pipe 44 is connected with the spray head 3.
As shown in fig. 2, the liquid storage tank 4 includes a plurality of engaging lugs 46 provided at intervals around the circumferential side of the tank 41, and the tank 41 is fixed above the chassis of the indoor unit of the air conditioner via the engaging lugs 46.
As shown in fig. 2, the air conditioner includes a water pan, the liquid storage tank 4 includes a water pan water inlet pipe 45, one end of the water pan water inlet pipe 45 is connected with the tank body 41, and the other end of the water pan water inlet pipe 45 is connected with the water pan. Therefore, when the external liquid supply device is inconvenient to supply liquid, a part of water in the water receiving tray can be used for cleaning.
As shown in fig. 2, the tank 41 has a cylindrical shape, a groove 40 is provided at one end of the tank 41, and a water pump 43 is provided in the groove 40.
Specifically, the indoor unit comprises an evaporator and an inner pipe temperature detection part arranged on a heat exchange pipe of the evaporator, and the inner pipe temperature detection part is used for detecting the temperature of the heat exchange pipe of the evaporator so as to control the rotating speed of the fan according to the detection result of the inner pipe temperature detection part.
The invention provides an air conditioner which comprises an indoor unit and an outdoor unit, wherein the indoor unit is the air conditioner indoor unit.
Specifically, the outdoor unit includes an outdoor ambient temperature detecting unit for detecting an outdoor ambient temperature at which the outdoor unit is located, so as to control a rotation speed of the fan according to a detection result of the outdoor ambient temperature detecting unit.
As shown in fig. 3, the present invention further provides an air conditioner cleaning method, which is suitable for the air conditioner, and the air conditioner cleaning method includes: when receiving an instruction of a user for starting a self-cleaning mode, controlling the air conditioner to operate according to a set control logic; when the air conditioner runs to an inner machine frosting stage in a self-cleaning mode, controlling the air conditioner to be switched from a refrigerating mode to a heating mode, and starting an air duct cleaning stage in the self-cleaning mode; controlling a spray head 3 of the air conditioner to spray cleaning fluid to the interior of an air duct component 1 and a fan blade 2 of the air conditioner, and controlling a fan to rotate at a preset cleaning rotation speed R0Rotating; recording the working time t of the spray head 3, and judging whether the working time t is greater than or equal to the preset time t0(ii) a When t is more than or equal to t0And when the cleaning solution is sprayed, the spray head 3 is controlled to stop spraying the cleaning solution, and the fan is controlled to continue rotating.
The air duct cleaning stage of the air conditioner in the prior art is a transition stage between the inner machine frosting stage and the inner machine frosting sterilizing stage, and does not enter the inner machine frosting sterilizing stage.
The air conditioner cleaning method is suitable for the self-cleaning mode of the inner machine and the outer machine of the air conditioner, and the air conditioner cleans and dries the inside of the air duct component 1 and the fan blade 2 by utilizing the time required by the switching from the inner machine frosting stage to the inner machine defrosting sterilization stage under the running time of the original self-cleaning mode, so that the inside of the air duct component 1 and the fan blade can be cleaned while the inner heat exchanger and the outer heat exchanger are self-cleaned under the self-cleaning mode, the running time required by the self-cleaning mode is not increased, the internal space of the air conditioner can be better cleaned, the overall cleanliness of the air conditioner and the cleanliness of the output air are improved, and the comfort and the physical and mental health of a user are better ensured.
Specifically, as the liquid spraying device can only spray towards a certain direction, the spray head 3 of the air conditioner is controlled to spray cleaning liquid to the inside of the air duct part 1 and the fan blades 2 of the air conditioner, and the fan is controlled to rotate at a preset cleaning rotating speed R0Rotate to all positions department that makes air duct component 1 inside and fan blade 2 wet as far as possible through the fan rotation, thereby make air duct component 1 inside and all positions department of fan blade 2 can both be cleaned fully.
As shown in fig. 3, when the air conditioner is operated in the heating mode and the temperature of the heat exchange pipe of the evaporator of the indoor unit starts to rise, the air conditioner cleaning method includes: obtaining temperature T of heat exchange tube of evaporator of air conditioner1(ii) a Judging the temperature T of the heat exchange tube of the evaporator1Whether it is greater than or equal to the first preset temperature T01(ii) a When T is1＜T01In time, the fan is controlled to rotate at a preset cleaning rotating speed R0Rotating; when T is1≥T01In the meantime, the temperature T of the heat exchange tube of the evaporator is judged1Whether it is greater than or equal to a second preset temperature T02(ii) a When T is1＜T02In time, the fan is controlled to rotate at a first preset drying speed R1Rotating; when T is1≥T02In time, the fan is controlled to be at a second preset drying rotating speed R2Rotating; wherein, T01＜T02Wherein R is0＜R1＜R2. Therefore, the rotating speed of the fan is adjusted by utilizing the change of the temperature of the heat exchange tube of the evaporator between the frosting stage and the defrosting and sterilizing stage of the inner machine, so that the drying effect on the fan blades and the air channel is maximized.
The air conditioner cleaning method of the invention comprises the following steps: acquiring the temperature T of the outdoor environment where the outdoor unit of the air conditioner is located2(ii) a According to the temperature T of the outdoor environment2And a third predetermined temperature T03And a fourth preset temperature T04The magnitude relation betweenFirst preset drying speed R1And a second preset drying rotating speed R2The specific numerical value of (1).
When T is2≤T03When R is1＝100rpm，R2250 rpm; when T is03＜T2≤T04When R is1＝200rpm，R2350 rpm; when T is04＜T2When R is1＝300rpm，R2400 rpm; wherein, T03＜T04。
As shown in the following table, T03＝25℃，T04＝36℃。
As shown in fig. 3, the air conditioner cleaning method of the present invention further includes: determine T1Whether the temperature is more than or equal to the target temperature T of the fan of the indoor unit when the fan is started in the defrosting and sterilizing stage05(ii) a When T is1≥T05And controlling the fan of the indoor unit to exit from the air duct cleaning stage, and starting an indoor unit defrosting and sterilizing stage in the self-cleaning mode.
In particular, T05＞T02。
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the air conditioner indoor unit comprises an air duct component 1, a fan and a spraying device, wherein a fan blade 2 of the fan is rotatably arranged in the air duct component 1, a spray head 3 of the spraying device is arranged in the air duct component 1 to spray cleaning liquid to the interior of the air duct component 1 and the fan blade 2 so as to clean the interior of the air duct component 1 and the fan blade 2, the internal space of an air conditioner can be better cleaned, the overall cleanliness of the air conditioner and the cleanliness of output air are improved, the problem that the air conditioner in the prior art cannot clean an air duct and the fan blade is solved, and therefore the comfortable experience of users is guaranteed.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, so that the scope of the present application is not to be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. An indoor unit of an air conditioner, comprising:
an air duct member (1);
the fan blades (2) of the fan are rotatably arranged in the air duct component (1);
and a spray head (3) of the spray device is arranged in the air duct component (1) to spray cleaning liquid into the air duct component (1) and the fan blades (2).
2. Indoor unit of air conditioning according to claim 1, characterized in that the spraying device comprises a reservoir (4), the reservoir (4) being arranged above the chassis of the indoor unit, the outlet of the reservoir (4) being connected to the spray head (3) for supplying the spray head (3) with cleaning liquid.
3. An air-conditioning indoor unit according to claim 2, characterized in that the reservoir (4) comprises:
a box body (41) arranged above a chassis of the indoor unit of the air conditioner;
one end of the external water inlet pipe (42) is connected with the box body (41), and the other end of the external water inlet pipe (42) is connected with an external liquid supply device;
the water pump (43) and water pump outlet pipe (44), the entry of water pump (43) with box (41) are connected, the export of water pump (43) with the one end of water pump outlet pipe (44) is connected, the other end of water pump outlet pipe (44) with shower nozzle (3) are connected.
4. The indoor unit of claim 3, wherein the air conditioner includes a water pan, the reservoir (4) includes a water pan inlet pipe (45), one end of the water pan inlet pipe (45) is connected to the casing (41), and the other end of the water pan inlet pipe (45) is connected to the water pan.
5. An indoor unit of an air conditioner according to claim 3, wherein the case (41) has a cylindrical shape, one end of the case (41) is provided with a groove (40), and the water pump (43) is disposed in the groove (40).
6. An indoor unit of an air conditioner according to any one of claims 1 to 5, wherein the indoor unit comprises an evaporator and an inner pipe temperature detecting member provided on a heat exchange pipe of the evaporator, for detecting the temperature of the heat exchange pipe of the evaporator to control the rotation speed of the fan according to the detection result of the inner pipe temperature detecting member.
7. An air conditioner comprising an indoor unit and an outdoor unit, wherein the indoor unit is the indoor unit of the air conditioner according to any one of claims 1 to 6.
8. The air conditioner as claimed in claim 7, wherein the outdoor unit includes an outdoor ambient temperature detecting unit for detecting an outdoor ambient temperature at which the outdoor unit is located to control the rotation speed of the fan according to a detection result of the outdoor ambient temperature detecting unit.
9. An air conditioner cleaning method, which is applied to the air conditioner of claim 7 or 8, and which comprises:
when receiving an instruction of a user for starting a self-cleaning mode, controlling the air conditioner to operate according to a set control logic;
when the air conditioner runs to the inner machine frosting stage exiting the self-cleaning mode, controlling the air conditioner to be switched from a refrigerating mode to a heating mode, and starting an air duct cleaning stage in the self-cleaning mode;
controlling a spray head (3) of the air conditioner to spray cleaning liquid to the interior of an air duct component (1) and a fan blade (2) of the air conditioner, and controlling the fan to rotate at a preset cleaning rotating speed R0Rotating;
recording the working time t of the spray head (3), and judging whether the working time t is more than or equal to the preset time t0；
When t is more than or equal to t0And controlling the spray head (3) to stop spraying the cleaning liquid and controlling the fan to continue rotating.
10. An air conditioner cleaning method according to claim 9, wherein when the fan is controlled to continue rotating, the air conditioner cleaning method includes:
obtaining the temperature T of a heat exchange tube of an evaporator of the air conditioner1；
Judging the temperature T of the heat exchange tube of the evaporator1Whether is greater than or equal toEqual to a first predetermined temperature T01；
When T is1≥T01Judging the temperature T of the heat exchange tube of the evaporator1Whether it is greater than or equal to a second preset temperature T02；
When T is1＜T02In time, the fan is controlled to be at a first preset drying rotating speed R1Rotating;
when T is1≥T02In time, the fan is controlled to be at a second preset drying rotating speed R2Rotating;
wherein, T01＜T02，R0＜R1＜R2。
11. An air conditioning cleaning method according to claim 10, characterized in that it comprises:
obtaining the temperature T of the outdoor environment where the outdoor unit of the air conditioner is located2；
According to the temperature T of the outdoor environment2And a third predetermined temperature T03And a fourth preset temperature T04The first preset drying rotating speed R is controlled by the size relation between the first and the second rotating speed1And a second preset drying rotating speed R2The specific numerical values of (a);
when T is2≤T03When R is1＝100rpm，R2＝250rpm；
When T is03＜T2≤T04When R is1＝200rpm，R2＝350rpm；
When T is04＜T2When R is1＝300rpm，R2＝400rpm；
Wherein, T03＜T04。
12. An air conditioning cleaning method as claimed in claim 10, further comprising:
judgment of T1Whether the temperature is more than or equal to the target temperature T of the fan of the indoor unit when the fan is started in the defrosting and sterilizing stage05；
When T is1≥T05And controlling a fan of the indoor unit to exit the air duct cleaning stage, and starting an indoor unit defrosting and sterilizing stage in the self-cleaning mode.
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