CN107796048B - Air conditioner indoor unit and control method thereof - Google Patents
Air conditioner indoor unit and control method thereof Download PDFInfo
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- CN107796048B CN107796048B CN201610793822.9A CN201610793822A CN107796048B CN 107796048 B CN107796048 B CN 107796048B CN 201610793822 A CN201610793822 A CN 201610793822A CN 107796048 B CN107796048 B CN 107796048B
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- air
- air outlet
- plate
- holes
- indoor unit
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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
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
- F24F2013/1446—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with gearings
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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 relates to the technical field of household appliances, in particular to an air conditioner indoor unit and a control method thereof. The invention provides an air conditioner indoor unit, which comprises a shell, a switching device and an air duct assembly arranged in the shell, thus, when the air conditioner works, the air diffuser plate can be controlled to rotate through the switching device, when the air diffuser plate rotates to the air outlet, the air outlet is blocked, because the air dispersing plate is provided with a plurality of air dispersing holes, the air flow blown to the air outlet through the air duct component can be blown out through the air dispersing holes on the air dispersing plate, and because the size of the air dispersing holes is small, the air current is dispersed into numerous slight air silks by the wind hole of loosing when the wind hole of loosing and is propagated to indoor, and the user need not directly blown on one's body by cold wind or hot-blast and just can feel cool feeling or warm sense in the room, and the user feels more comfortable, uses to experience better user can select multiple air-out mode user experience better according to specific needs to integral wind board that looses makes the circular arc and rotates, can avoid the problem of noise and condensation.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to an air conditioner indoor unit and a control method thereof.
Background
Currently, an air conditioner, which is a kind of home appliance, has been gradually applied to various general households. The air conditioner comprises an indoor unit and an outdoor unit, cold or heat is provided indoors by blowing cold or hot air outwards through an air outlet in the indoor unit of the existing air conditioner, but because the cold or hot air is directly blown out from the air outlet of the air conditioner and is blown to the body of an indoor user, the user can feel too cold or too hot, the user feels uncomfortable, and the use experience of the user is influenced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in the existing air conditioner indoor unit, cold air or hot air is directly blown into a room to change the temperature in the room, but when the cold air or the hot air is directly blown onto a user, the user feels uncomfortable and the use experience of the user is influenced; therefore, it is desirable to provide an indoor unit of an air conditioner capable of providing cold and heat to a room and preventing cold wind, fire or hot wind from blowing directly.
(II) technical scheme
In order to solve the technical problem, the invention provides an air conditioner indoor unit, which comprises a shell, a switching device, an air duct assembly, an air diffuser plate and an air outlet arranged on the shell, wherein a containing cavity is formed in the shell, and the air duct assembly is arranged in the containing cavity and is used for discharging air flow subjected to heat exchange in the containing cavity from the air outlet; the air diffuser is an arc-shaped plate, the switching device drives the air diffuser to rotate along an arc track so as to open or close the air outlet, and the air diffuser is provided with air diffusing holes.
The invention has the beneficial effects that: the air conditioner indoor unit provided by the invention comprises a shell, a switching device and an air duct assembly arranged in the shell, so that the air conditioner can control the air diffuser plate to rotate through the switching device when in work, the air diffuser plate blocks the air outlet when rotating to the air outlet, and the air diffuser plate is provided with a plurality of air diffuser holes, so that air flow blown to the air outlet through the air duct assembly can be blown out through the air diffuser holes in the air diffuser plate; when the switching device drives the air dispersing plate to rotate to open the air outlet, the air conditioner can normally exhaust air, a user can select various air exhaust modes according to specific needs, and the user experience is better; the air diffuser is as an integral structure and can be completely blocked when being driven by the switching device to rotate to the air outlet in an arc mode, so that gaps can not appear between the air diffuser and the upper frame and the lower frame of the air outlet, and the noise caused by air flow passing through the gaps can be avoided when the air outlet mode is realized.
Furthermore, the housing comprises a cylindrical body shell and a head, the head is rotatably connected to the upper end of the body shell, the accommodating cavity comprises a first cavity enclosed by the head and a second cavity enclosed by the body shell, and the first cavity is communicated with the second cavity;
the air outlet is arranged on the inner frame of the head, the air diffusing plate is positioned on the outer side of the inner frame, the switching device is positioned in the first cavity, and the air diffusing plate can slide on the circular edge of the head base under the driving of the switching device so as to open or close the air outlet.
Further, an air outlet grille is further arranged at the air outlet, and the air duct assembly comprises an axial flow fan arranged in the second cavity.
Furthermore, a heat exchanger is arranged in the second cavity, the heat exchanger is positioned at an air inlet on the shell body, and the air inlet is arranged at two sides below and/or the rear side below the shell body; the air duct assembly is arranged in the second cavity and located on the upper side of the air inlet.
Further, the switching device comprises a driving motor, a first gear, a second gear and a first rack arranged on the air diffuser plate, an output shaft of the driving motor is connected with the first gear, and the second gear is respectively meshed with the first gear and the first rack.
Further, the second gears of the driving motor and the first gear are arranged at the upper end of the inner frame, and the first rack is arranged on the inner side of the upper end of the air diffuser plate.
Furthermore, the switching device also comprises a third gear and a transmission shaft, the upper end of the transmission shaft is connected with the second gear, the lower end of the transmission shaft is connected with the third gear, and a second rack meshed with the third gear is arranged on the inner side of the lower end of the air diffuser.
Furthermore, the shell comprises a front panel and a back panel, the front panel and the back panel are connected to form the containing cavity in an enclosing mode, the air outlet is formed in the front panel, the air channel assembly comprises a cross-flow fan and an air channel, the air channel is located in the containing cavity and formed by air channel walls, the cross-flow fan is arranged at one end of the air channel, and the other end of the air channel is communicated with the air outlet.
Furthermore, the accommodating cavity is internally provided with an inner frame, the inner frame is provided with an air outlet frame corresponding to the air outlet, at least one air guide blade is arranged in the air outlet frame, and the air diffuser is arranged on the inner frame and can be driven by the switching device to rotate in an arc track to open or close the air outlet frame.
Furthermore, the area of each air dispersing hole is 10-100mm2And the sum of the areas of the plurality of the air dispersing holes accounts for more than half of the total area of the air dispersing plate.
Furthermore, the air dispersing holes are circular through holes formed in the air dispersing plate, and the circular through holes are uniformly distributed in the air dispersing plate.
The invention also provides a control method of the air conditioner indoor unit, which comprises the following steps:
s1, the control panel on the indoor machine of the air conditioner selects a cooling mode or a heating mode according to the received control signal;
s2, selecting a conventional air-out mode or a breeze air-out mode according to the control signal received by the control panel;
s3, in the breeze air outlet mode, the switching device controls the air dispersing plate to close the air outlet, the indoor temperature T1 detected by the temperature sensor electrically connected with the control plate is compared with a preset temperature range, and when the temperature T1 falls within the preset temperature range, the fan in the air duct assembly is controlled to decelerate;
under the normal air-out mode, a switching device drives the air-dispersing plate to open the air outlet, the indoor temperature T2 is detected through a temperature sensor electrically connected with the control plate, the T2 is compared with a preset temperature range, and when the T2 falls within the preset temperature range, the indoor unit of the air conditioner is automatically switched to a breeze air-out state.
Drawings
The advantages of the above and/or additional aspects of the present invention will become apparent and readily appreciated from the following description of the embodiments taken in conjunction with the accompanying drawings of which:
fig. 1 is a front view of a conventional outlet of an indoor unit of an air conditioner according to a first embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a perspective view of a normal wind outlet of the indoor unit of the air conditioner according to the first embodiment of the present invention;
fig. 4 is a perspective view of a left side view of the indoor unit of the air conditioner in a normal wind outlet according to the first embodiment of the present invention;
fig. 5 is a front view of an indoor unit of an air conditioner according to a first embodiment of the present invention when the indoor unit is turned off;
fig. 6 is a front view of an air conditioner indoor unit according to a first embodiment of the present invention when blowing a breeze;
FIG. 7 is a schematic cross-sectional view of the head in the conventional air outlet mode according to the first embodiment;
FIG. 8 is a schematic sectional view of the head in a shutdown state according to the first embodiment;
FIG. 9 is a schematic cross-sectional view of the head in the breeze blowing mode according to the first embodiment;
FIG. 10 is a perspective view of the head in accordance with one embodiment;
FIG. 11 is an exploded view of the head according to the first embodiment;
FIG. 12 is a perspective view of the switching device in accordance with one embodiment;
FIG. 13 is a schematic view of the engagement of the first gear, the second gear and the first rack in the first embodiment;
FIG. 14 is a schematic cross-sectional view of the head in the normal air-out mode according to the second embodiment;
FIG. 15 is a schematic sectional view of the head part in a shutdown state according to the second embodiment;
fig. 16 is a schematic cross-sectional view of the head in the breeze blowing mode according to the second embodiment;
FIG. 17 is a perspective view of the head part in the second embodiment;
FIG. 18 is an exploded view of the head according to the second embodiment;
FIG. 19 is a perspective view of the head part in the case of normal wind outlet in the third embodiment;
FIG. 20 is a perspective view of the head part in the case of breeze blowing in the third embodiment;
FIG. 21 is a sectional view of the head part in the third embodiment;
FIG. 22 is an exploded view of the head part in the third embodiment;
fig. 23 is a front view of an indoor unit of an air conditioner in a state of blowing a breeze in the third embodiment;
FIG. 24 is a front view of an indoor unit of an air conditioner in a conventional air supply of the third embodiment;
FIG. 25 is an exploded perspective view of a head with a facing panel according to the third embodiment;
fig. 26 is a schematic front view of a conventional outlet air of the indoor unit of the air conditioner according to the fourth embodiment;
FIG. 27 is a schematic diagram of a breeze blowing structure of an indoor unit of an air conditioner according to the fourth embodiment
FIG. 28 is a cross-sectional view of FIG. 26;
fig. 29 is an exploded schematic view of an indoor unit of an air conditioner according to a fourth embodiment;
FIG. 30 is an enlarged view of portion A of FIG. 29;
FIG. 31 is an enlarged view of portion B of FIG. 29;
FIG. 32 is a schematic structural view of a switching device according to a fourth embodiment;
FIG. 33 is a schematic view showing a structure in which the air diffuser and the appearance panel of the fourth embodiment are coupled together;
FIG. 34 is a schematic view of the air conditioner without the diffuser plate;
FIG. 35 is a schematic view of the air outlet of the air conditioner with the air diffuser;
FIG. 36 is a schematic view of the air conditioner blowing directly when the air-dispersing holes are round holes;
FIG. 37 is a schematic view of an air conditioner with oblique outlet when the air-dispersing holes are round holes;
FIG. 38 is a schematic view of the air outlet from the air conditioner when the air outlet holes are elongated; (ii) a
FIG. 39 is a schematic view of the air conditioner discharging air obliquely when the air-dispersing holes are elongated;
FIG. 40 is a schematic structural view of a diffuser plate with elongated air diffusing holes formed in the longitudinal direction;
FIG. 41 is a schematic structural view of a diffuser plate with elongated diffuser holes formed in the transverse direction;
fig. 42 is a flowchart illustrating a control method for an indoor unit of an air conditioner according to an embodiment of the present invention.
Wherein the correspondence between the reference numbers and the names of the components in fig. 1 to 42 is:
1. an air conditioner indoor unit, 11, an outer shell, 111, an air outlet, 1111, an air outlet grille, 1112, a column, 112, an air diffuser plate, 1121, an air diffuser hole, 1122, a first rack, 1123, a second rack, 1124, a third rack, 113, a head, 1131, an inner frame, 1132, a first cavity, 114, a body shell, 1141, a second cavity, 115, an axial flow fan, 116, a heat exchanger, 12, a switching device, 121, a driving motor, 122, a first gear, 123, a second gear, 124, a third gear, 125, a transmission shaft, 126, a transmission gear, 127, an installation plate, 1271, an installation hole, 128, a connection plate, 13, a front panel, 14, a back plate, 151, an air outlet frame, 152, an air duct wall, 153, an air flow channel, 154, a cross-flow wind wheel, 16, an air inlet, 17, an appearance panel, 18 and a wind deflector. 19. And air guide blades.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 to 37, the present invention provides an air conditioner indoor unit 1, including a housing 11, a switching device 12, an air duct assembly, an air diffuser 112 and an air outlet 111 disposed on the housing 11, wherein a receiving cavity is formed in the housing 11, and the air duct assembly is disposed in the receiving cavity and is configured to discharge an air flow, which has undergone heat exchange in the receiving cavity, from the air outlet 111; the air diffuser 112 is an arc plate, the switching device 12 drives the air diffuser 112 to rotate along an arc track to open or close the air outlet 111, and the air diffuser 112 is provided with air diffusing holes 1121.
The air conditioner indoor unit 1 provided by the invention comprises a shell, a switching device 12 and an air duct assembly arranged in the shell, so that the air conditioner can control the air diffuser 112 to rotate through the switching device 12 when working, when the air diffuser 112 rotates to the air outlet 111, the air outlet 111 is blocked, because the air diffuser 112 is provided with a plurality of air diffuser holes 1121, air flow blown to the air outlet 111 through the air duct assembly can be blown out through the air diffuser holes 1121 on the air diffuser 112, because the air diffuser holes 1121 are small in size, when the air flow passes through the air diffuser holes 1121, the air flow is dispersed into a plurality of fine air filaments by the air diffuser holes 1121 to spread indoors, a user can feel cool or warm in a room without directly blowing cold air or hot air on the body, the user feels more comfortable, and the use experience is better; when the switching device 12 drives the air diffuser 112 to rotate to open the air outlet 111, the air conditioner can normally output air, a user can select multiple air output modes according to specific needs, and the user experience is better.
In addition, the air diffuser 112 as an integral structure can completely block the air outlet 111 when driven by the switching device 12 to rotate in an arc to the air outlet 111, because the size of the air diffuser 112 is larger than that of the air outlet 111, that is, a tightly attached sealing surface is formed between the edge area of the air diffuser 112 and the inner frame 1131 where the air outlet 112 is located, so that no gap occurs between the air diffuser 112 and the air outlet 111 when the air outlet 111 is closed, and a sealing sound-absorbing layer can be further disposed on the sealing surface (i.e., at the sealing connection of the inner frame or the air diffuser and the inner frame) to further reduce the gap between the air diffuser 112 and the air outlet 111 and increase the sealing effect when the air diffuser 112 closes the air outlet 111, so that noise caused by the air flow discharged through the gap in the air outlet mode can be avoided, and the air diffuser 112 is not disposed at the air outlet 111 and is opened or closed by rotating the rotating shaft around the air outlet 111 The air outlet 111 can avoid the condensation problem at the air dispersing plate 112; if the air dispersing holes 1121 are formed in the air guide blades 19 at the air outlet 111, and the air guide blades 19 rotate around the rotating shaft through the driving mechanism to open or close the air outlet 111, then a plurality of driving mechanisms are required and the structure is more complicated because the air guide blades 19 are provided, and the air guide blades 19 are easily arranged irregularly when being closed, and gaps are easily formed between adjacent air guide blades 19 when being contacted, so that noise and condensation problems are easily caused when air is discharged, and the air guide blades 19 rotate simultaneously to open or close the air outlet 111, so that the consistency of actions among the air guide blades 19 is poor, which may cause a vibration problem of the indoor unit of the air conditioner when the air guide blades 19 rotate; in the present application, the integral air diffuser 112 is adopted, the air diffuser holes 1121 are disposed on the air diffuser 112, and since the air diffuser 112 is of an integral structure and the air diffuser 112 is not disposed at the position of the air outlet 111, when the air outlet 111 is closed by the air diffuser 112, a sealing surface tightly attached to the air diffuser 112 and the air outlet 111 is formed, so that the problems of air outlet noise and condensation caused by gaps between the air guide blades 19 or gaps between the air guide blades 19 and the edge of the air outlet 111 can be avoided, and the integral air diffuser 112 only needs one driving mechanism to drive the air diffuser 112 to rotate, so that the driving structure is simpler, and further, the structure of the whole air conditioner indoor unit 1 is more simplified.
Example one
As shown in fig. 1 to 13, the air conditioner indoor unit 1 is a circular air conditioner indoor unit 1, the housing 11 includes a cylindrical body casing 114 and a head 113, the head 113 is rotatably connected to an upper end of the body casing 114, the accommodating cavity includes a first cavity 1132 surrounded by the head 113 and a second cavity 1141 surrounded by the body casing 114, and the first cavity 1132 is communicated with the second cavity 1141; the air outlet 111 is arranged on the inner frame 1131 of the head 113, the air diffuser 112 is located outside the inner frame 1131, the switching device 12 is located in the first cavity 1132, and the air diffuser 112 can slide on the circular edge of the base of the head 113 under the driving of the switching device 12 to open or close the air outlet 111; as shown in fig. 2, the air outlet 111 is further provided with an air outlet grille 1111, the air outlet grille 1111 is arranged to adjust the air outlet speed and the air outlet direction, so as to make the air outlet more uniform, the air duct assembly includes an axial flow fan 115 arranged in the second cavity 1141, the air inlet 16 is arranged at two sides below and/or at the rear side below the housing body, the air duct assembly is arranged in the second cavity 1141 and located at the upper side of the air inlet 16, i.e. the axial flow fan 115 is vertically located between the air outlet 111 and the air inlet 16, so that the air entering from the lower side enters the first cavity 1132 formed by the upper side head 113 from the second cavity 1141 through the axial flow fan 115, and then is sent into the room through the air outlet 111 arranged at the front side of the head 113, and the heat exchanger 116 is further arranged in the second cavity 1141, and the heat exchanger 116 is arranged at the air inlet, the air conditioner can be arranged on an inner liner of an air duct structure or on a machine body shell 114, so that when the air conditioner works, air flow enters the second cavity 1141 through the air inlet 16 and exchanges heat with the heat exchanger 116 to change the air flow into cold air or hot air, then the cold air or the hot air enters the first cavity 1132 from the second cavity 1141 under the action of the axial flow fan 115, at the moment, a specific air outlet mode can be selected according to needs, as shown in fig. 1, 3, 4 and 7, when the indoor temperature needs to be changed rapidly, the switching device 12 drives the air dispersing plate 112 to rotate away from the position of the air outlet 111, the air outlet 111 is opened, and the air flow entering the first cavity 1132 directly enters the room from the air outlet 111; as shown in fig. 6 and 9, when comfortable air supply to the room is needed, the switching device 12 drives the air dispersing plate 112 to rotate to the position of the air outlet 111, so as to close the air outlet 111, and at this time, the air flow in the first cavity 1132 enters the room through the air dispersing holes 1121 on the air dispersing plate 112, because the size of the air dispersing holes 1121 is small, the air flow is dispersed into a plurality of fine air filaments to spread to the room when passing through the air dispersing holes 1121, a user can feel cool or warm in the room without being directly blown on the body by cold air or hot air, and the user feels more comfortable and experiences better.
In the circular air conditioner indoor unit 1, the head 113 can rotate relative to the body casing 114 through the rotary plate, so that the air outlet direction of the air conditioner can be adjusted by rotating the head 113 before the air conditioner starts to work.
Preferably, as shown in fig. 1, 3 and 11, the indoor unit 1 of the air conditioner further includes an appearance panel 17, the appearance panel 17 is integrally connected with the air diffuser plate 112 to form a circular arc-shaped plate, and the appearance panel 17 and the air diffuser plate 112 are both located outside the inner frame 1131 of the head 113 and are driven by the switching device 12 to rotate along the circumferential direction outside the inner frame 1131; as shown in fig. 1, 3, 4 and 7, when the air is blown out conventionally, the switching device 12 drives the integrally connected appearance panel 17 and the air diffuser 112 to rotate together, so that the air outlet 111 is opened, and at this time, the integrally connected air diffuser 112 is located on the right side or the left side of the air outlet 111; as shown in fig. 6 and 9, when it is required to supply air to the room comfortably, the switching device 12 drives the integrated appearance panel 17 and the air diffuser 112 to rotate together, so that the air diffuser 112 rotates to the position of the air outlet 111 and covers the air outlet 111, and at this time, the airflow in the first cavity 1132 surrounded by the head 113 extends to the room through the air diffuser holes 1121 on the air diffuser 112, cold air or hot air is not directly blown to the room, and a user can receive cool feeling or warm feeling in the room without feeling the flow of cold air or hot air; as shown in fig. 5 and 8, when the air conditioner stops working, the switching device 12 drives the appearance panel 17 to rotate to the position of the air outlet 111, and covers the air outlet 111, so as to prevent impurities such as dust and small particles from entering the first cavity 1132 formed by the inner frame 1131 of the head 113 through the air outlet 111.
As shown in fig. 11, in this embodiment, the air diffuser 112 and the external appearance may be a single circular arc plate, one half of which is provided with an air diffuser hole 1121, and the other half of which is an arc plate capable of blocking the air outlet 111, and of course, the external appearance panel 17 and the air diffuser 112 are two arc plates, and at this time, the air diffuser 112 and the external appearance panel 17 are connected together, for example, connected into a whole by a hook, welding or screw connection, so as to also achieve the purpose of the present application.
As shown in fig. 11 to 13, the switching device 12 includes a driving motor 121, a first gear 122, a second gear 123, and a first rack 1122 provided on the air diffuser plate 112, an output shaft of the driving motor 121 is connected to the first gear 122, and the second gear 123 is engaged with the first gear 122 and the first rack 1122, respectively; the driving motor 121 and the second gear 123 of the first gear 122 are both disposed at the upper end of the inner frame 1131, and the first rack 1122 is disposed at the inner side of the upper end of the air diffuser plate 112, so that when the switching device 12 works, the driving motor 121 drives the first gear 122 to rotate, meanwhile, the first gear 122 is meshed with the second gear 123, and the second gear 123 is meshed with the rack on the air diffuser plate 112, so that when the driving motor 121 works, the air diffuser plate 112 is driven to rotate through the meshing of the first gear 122, the second gear 123 and the rack, and the circular arc-shaped air diffuser plate 112 rotates around the outer side of the inner frame 1131 in an arc track; since the appearance panel 17 is integrally connected to the diffuser plate 112, the appearance panel 17 and the diffuser plate 112 share one switching device 12, and at this time, a rack is also provided on the inner surface of the appearance panel 17, and the rack on the appearance panel 17 and the rack on the diffuser plate 112 are integrally connected, so that the circular arc track rotation of the appearance panel 17 and the diffuser plate 112 can be realized.
It should be noted that the switching device 12 may be disposed on the inner lining of the first cavity 1132 formed by the inner frame 1131, that is, the driving motor 121 and the second gear 123 of the first gear 122 are both disposed on the inner lining of the first cavity 1132 formed by the inner frame 1131, and the purpose of driving the appearance panel 17 and the diffuser plate 112 to rotate along the circular arc track can be achieved as well.
As shown in fig. 12, the switching device 12 further includes a third gear 124 and a transmission shaft 125, the upper end of the transmission shaft 125 is connected to the second gear 123, the lower end of the transmission shaft is connected to the third gear 124, a second rack 1123 meshed with the third gear 124 is arranged inside the lower end of the air diffuser plate 112, and by the above structure, when the air diffuser plate 112 and the appearance panel 17 are driven to rotate, power can be simultaneously applied to the upper end and the lower end of the appearance panel 17 and the air diffuser plate 112, so that the air diffuser plate 112 is more balanced in stress and rotates more smoothly; in a specific driving process, an output shaft of the driving motor 121 is meshed with the first gear 122, the first gear 122 is meshed with the second gear 123, and meanwhile, the first gear 122 drives the third gear 124 and the second gear 123 to synchronously rotate through the transmission shaft 125, so that the stress at the upper end and the lower end of the air diffuser plate 112 is more balanced, and the air diffuser plate 112 is more stable in rotation. Of course, in this embodiment, the second gear 123 is not provided, that is, the output shaft of the driving motor 121 directly engages with the first gear 122, and the first gear 122 engages with the rack, so that the purpose of driving the air diffuser plate 112 to rotate can be achieved, and the switching device 12 is not limited to the engagement of the gear and the rack, and other transmission structures can also achieve the purpose of driving the air diffuser plate 112 to rotate along the circular arc track, which does not depart from the design concept of the present invention, and the present invention shall fall within the protection scope of the present invention.
As shown in fig. 11, a ring of annular rib is provided on the upper edge of the inner frame 1131 in the circumferential direction, an accommodating space with an opening at the upper end is enclosed between the rib and the upper cover of the inner frame 1131, the upper cover of the accommodating space is provided with a cover plate, the driving motor 121, the first gear 122 and the second gear 123 are all arranged in the accommodating space, and the first gear 122 and the second gear 123 are protected in the outer cover, meanwhile, through holes capable of allowing the second gear 123 to partially or completely extend are formed on the shelves, the third gear 124 is disposed in a first cavity 1132 surrounded by the inner frame 1131, meanwhile, corresponding to the position of the third gear 124, a through hole for the third gear 124 to partially or completely pass through is also arranged on the inner frame, thus, the second gear 123 is engaged with the rack provided at the upper end of the air diffuser 112 or the outer panel 17 located outside the inner frame 1131, and the third gear 124 is engaged with the rack provided at the lower end of the air diffuser 112 or the outer panel 17 located outside the inner frame 1131.
Preferably, as shown in fig. 41, the air diffusing holes 1121 on the air diffusing plate 112 are elongated holes, the elongated holes are transversely disposed on the air diffusing plate 112, and a plurality of elongated through holes are uniformly distributed on the air diffusing holes 112; thus, the surface shape of the whole air dispersing hole 112 is more neat and the appearance is better; in addition, the area of each strip-shaped through hole is 10-100mm2Preferably, the area of the elongated through-hole is 30, 35, 50 or 60mm2Therefore, the air flow passing through the elongated through hole is decomposed into fine air threads, the air flow entering the room is not felt by a user, and the requirement of air supply volume can be met, preferably, the area of the elongated through hole is 50mm2The air outlet effect is best.
As shown in fig. 38 and 39, when the air scattering holes 1121 are elongated holes, when air is blown out directly, the direction of the air flow passing through the elongated holes is not changed, and the air flows out through the air outlet 221 directly to the outside; when the air is blown out obliquely, the airflow obliquely enters the strip-shaped holes, and the air is blown obliquely from the outside after entering the long strip-shaped holes, so that the air blowing range is wider, the air blowing effect is better, meanwhile, the control of direct blowing or oblique air blowing is more accurate, and the air blowing is more uniform; the sum of the areas of the air diffusing holes 1121 accounts for more than half of the total area of the air diffusing holes 112, so that the air supply volume can meet the requirement, and the sum of the total areas of the air diffusing holes 1121 is more than 80% of the total area of the air diffusing holes 112, so that the requirement of the air supply volume can be met while breeze air supply is realized.
It should be noted that, as shown in fig. 40, the elongated holes on the air diffusing holes 1121 may also be transversely disposed, and the plurality of elongated through holes are uniformly distributed on the air diffusing plate 112; this makes the surface shape of the whole air diffuser plate 112 more regular and better in appearance.
As shown in fig. 5, 7 and 9, the air scattering holes 1121 are circular through holes disposed in the air scattering holes 112 of the air scattering plate 112, and a plurality of circular holes are uniformly distributed on the air scattering holes 112; thus, the surface shape of the whole air dispersing hole 112 is more neat and the appearance is better; in addition, the area of each round hole is 10-100mm2Preferably, the circular aperture has an area of 30, 35, 50 or 60mm2Therefore, the airflow passing through the round hole can be decomposed into fine air threads, the airflow entering the room can not be felt by a user, the requirement of air supply volume can be met, and preferably, the area of the round hole is 50mm2The air outlet effect is best.
As shown in fig. 36, when the wind scattering holes 1121 are circular holes and wind is blown straight, the direction of the wind flowing out through the circular holes is not changed when the wind flows pass through the circular holes, and the wind is directly blown outward through the circular holes, as shown in fig. 37, when the wind scattering holes 1121 are circular holes and wind flows out obliquely, the wind flows obliquely enter the circular holes, the direction of the wind flows in the circular holes is changed, the oblique wind flowing direction is changed into the straight wind, the wind blowing effect is better, and the control of the straight wind or the oblique wind flowing out is more accurate; in addition, the sum of the areas of the plurality of air scattering holes 1121 accounts for more than half of the total area of the air scattering plate 112, and thus the air blowing amount can be satisfied, and specifically, as shown in fig. 10 and 11, the sum of the total areas of the air scattering holes 1121 is more than 80% of the total area of the air scattering plate 112, so that the air blowing amount can be satisfied while the breeze air blowing is realized.
Of course, the air scattering holes 1121 on the air scattering holes 112 may be arranged in other forms, for example, the air scattering holes 1121 are triangular through holes, square through holes, elongated through holes or other irregularly-shaped through holes, as long as the area of the air scattering holes 1121 is 10-100mm2Within the range, the requirement of dispersing the airflow passing through the air dispersing holes 1121 into air threads to supply air comfortably indoors can be met, and the air conditioner can also realize the air conditionerThe purpose of the application is to cover the protection scope of the present invention without departing from the design idea of the present invention.
Example two
The present embodiment is substantially the same as the first embodiment, as shown in fig. 17 and fig. 18, the main difference is that the air diffuser 112 and the appearance panel 17 are two separate plates and are respectively located at two sides of the air outlet 111, so that two sets of switching devices 12 are required to respectively drive the air diffuser 112 and the appearance panel 17, as shown in fig. 14, in a conventional air outlet mode, the appearance panel 17 and the air diffuser 112 are respectively located at two sides of the air outlet 111, air flow after heat exchange enters the room through the air outlet 111, and the air outlet direction and the air outlet speed are adjusted by the air guide blades 19 arranged at the air outlet 111, so that the air outlet is more uniform; as shown in fig. 16, in the low wind speed air outlet mode, the air diffuser 112 is driven by the corresponding switching device 12 to rotate to the air outlet 111, the air flow in the first cavity 1132 is dispersed into a plurality of fine air threads through the micro holes of the air diffuser 112 to spread indoors, and a user can feel cool or warm in a room without being directly blown on the body by cold air or hot air, so that the user feels more comfortable and has better use experience; as shown in fig. 15, when the air conditioner stops working, the appearance panel 17 is driven by the corresponding switching device 12 to rotate to the air outlet 111 to prevent dust, impurities, etc. from entering the first cavity 1132 from the air inlet 16, wherein in this embodiment, the rotation tracks of the air diffuser 112 and the appearance panel 17 may be on the same circumference, so that the appearance panel 17 and the air diffuser 112 may cover the air outlet 111 respectively to achieve two states of breeze outlet or shutdown; meanwhile, the rotation tracks of the appearance panel 17 and the air diffuser 112 may not be on the same circumference, and at this time, the rotation track of the appearance panel 17 is located outside the rotation track of the air diffuser 112, that is, the appearance panel 17 is located at a position close to the outside of the air diffuser 112, so that when the air conditioner is turned off, the air diffuser 112 and the appearance panel 17 rotate to the air outlet 111 at the same time, the air diffuser 112 blocks the air outlet 111, and at this time, the appearance panel 17 is located at the front side of the air diffuser 112.
EXAMPLE III
As shown in fig. 19 to 25, in the present embodiment, a column 1112 is disposed at the air outlet 111, the column 1112 divides the air outlet 111 into two parts, and in this case, two air diffuser plates 112 are disposed, and the shapes of the two air diffuser plates 112 respectively correspond to the shapes and positions of the two air outlet parts 111, and preferably, as shown in fig. 19 to 25, the column 1112 is disposed in the middle of the air outlet 111, and divides the air outlet 111 into two equal parts, and in this case, the sizes of the two air diffuser plates are the same, and the two air diffuser plates 112 are respectively driven by a single switching device 12. As shown in fig. 9 and 24, during normal air outlet, the two air diffuser plates 112 are respectively located at two sides of the air outlet 111, the air outlet 111 is opened, and the air flow in the first cavity 1132 enters the room through the air outlet 111; as shown in fig. 20 and 23, when a breeze needs to be discharged, the two air diffuser plates 112 rotate towards the middle part and abut against the two side edges of the upright post 1112 to cover the air outlet 111 together, at this time, the air flow in the first cavity 1132 enters the room through the air diffuser holes 1121 of the air diffuser plates 112, and the two air diffuser plates 112 are driven by a single switching device 12, wherein the structure of the switching device 12 is the same as that of the switching device 12 in the embodiment, and is not described herein again.
As shown in fig. 25, in this embodiment, the air conditioner further includes an appearance panel 17, the appearance panel 17 is located at a rear side of the inner frame 1131 and is fixedly connected to the inner frame 1131, for example, the appearance panel 17 is fixed to the inner frame through a snap structure, at this time, the appearance panel 17 cannot rotate, the inner frame 1131 can be prevented from directly contacting with the outside by arranging the appearance panel 17 at the rear side of the inner frame 1131, the problem of collision and damage of the inner frame 1131 can be avoided, meanwhile, the appearance of the air conditioner can be more tidy by arranging the appearance panel 17 to play a decorative role, and the attractiveness of the whole air conditioner can be improved.
Example four
As shown in fig. 26 to 32, in this embodiment, the air conditioner indoor unit 1 is a circular air conditioner indoor unit 1, the outer shell 11 includes a front panel 13 and a back panel 14, the front panel 13 and the back panel 14 are connected to form the accommodating cavity, the air outlet 111 is disposed on the front panel 13, the air duct assembly includes a cross flow fan and an air flow channel 153 located in the accommodating cavity and formed by an air duct wall 152, the cross flow fan is disposed at one end of the air flow channel 153, the other end of the air flow channel 153 is communicated with the air outlet 111, an inner frame 1131 is disposed in the accommodating cavity, an air outlet frame 151 is disposed on the inner frame at a position corresponding to the air outlet 111, at least one air guiding blade 19 is disposed in the air outlet frame 151, the air dispersing plate 112 is disposed on the inner frame and can rotate along an arc track under the driving of the switching device 12 to open or close the air outlet frame 151, the diffuser plate 112 is disposed between the inner frame 1131 and the front panel 13.
As shown in fig. 26, when the air conditioner normally discharges air, air enters through the air inlet 16, then enters the air flow channel 153 after heat exchange by the heat exchanger 116, enters the air outlet frame 151 arranged on the inner frame under the driving of the through flow wind wheel 154 in the air flow channel 153, the air outlet frame 151 is provided with the wind guide blades 19, the speed of discharging air and the uniformity of discharging air are adjusted by the wind guide blades 19, and the air outlet 111 is further provided with the air outlet grille 1111 for further adjusting the speed of discharging air and the uniformity of discharging air; as shown in fig. 27, when comfortable and non-sensible air supply to the room is required, the switching device 12 drives the air diffuser 112 to rotate to the position of the air outlet 111, at this time, the air diffuser 112 is located between the air outlet frame 151 and the air outlet 111 and can cover the air outlet frame 151, so that air flow can be prevented from being directly sent to the room through the air outlet frame 151 through the air outlet 111, and the air blown out from the air outlet frame 151 needs to flow into the air inlet 16 through the micro holes of the air diffuser 112, and then the air is supplied to the room through the air inlet 16.
As shown in fig. 29 and 33, in this embodiment, the air blocking plate 18 is further included, the air blocking plate 18 and the air diffusing plate 112 are respectively located at two sides of the air outlet frame 151, and the air blocking plate 18 and the air diffusing plate 112 are both driven and controlled by the separate switching device 12, when the air is normally discharged, the air blocking plate 18 and the air diffusing plate 112 are respectively located at two sides of the air outlet frame 151, when the air is slightly blown, the air diffusing plate 112 blocks the air outlet frame 151 at a position where the air is winter-to-air outlet frame 151 under the driving of the corresponding switching device 12, at this time, the air coming out from the air flow channel 153 enters the room through the micropores in the air diffusing plate 112, and when the air conditioner stops working when the air conditioner is shut down, the air blocking plate 18 is driven by the corresponding switching device 12 to rotate between the air outlet 111 and the air outlet frame 151, so as to block the air.
It should be noted that, in this embodiment, the appearance panel 17 and the air diffuser 112 may also be connected into a whole, for example, the air diffuser 112 and the appearance may be a whole circular arc-shaped plate, wherein one half of the circular arc-shaped plate is provided with the air diffuser hole 1121, and the other half of the circular arc-shaped plate is capable of blocking the air outlet 111, of course, the appearance panel 17 and the air diffuser 112 are two arc-shaped plates, and at this time, the air diffuser 112 and the appearance panel 17 are connected together, for example, connected into a whole by means of hooks, welding or screws; the rotation of the air diffuser 112 and the appearance panel 17 can be completed by only one set of the switching device 12 by integrally connecting the air diffuser 112 and the appearance panel 17.
As shown in fig. 30 to 33, in this embodiment, the switching device 12 includes a driving motor 121, a driving gear, and a third rack 1124 disposed on the air diffuser plate 112 and engaged with the driving gear 126, as shown in fig. 30, 32 and 33, the third rack 1124 is disposed at the upper end of the air diffuser plate 112, as shown in fig. 31, the lower end of the air diffuser plate 112 is also provided with the third rack 1124, so that the upper and lower ends of the air diffuser plate 112 are driven to rotate by two driving motors 121 and two driving gears 126; specifically, the output shaft of the driving motor 121 is meshed with the transmission gear 126 to drive the transmission gear 126 to rotate, and the air diffuser plate 112 is driven to rotate through the meshing of the transmission gear 126 and the third rack 1124; meanwhile, the racks are arranged at the upper end and the lower end of the air diffuser plate 112, so that the upper end and the lower end of the air diffuser plate 112 are stressed in the rotating process, and the air diffuser plate 112 rotates more stably; optionally, as shown in fig. 32 and 33, the switching device 12 further includes a mounting plate 127, the mounting plate 127 is provided with a mounting hole 1271, the motor is fixed in the mounting hole 1271, the mounting plate 127 is fixedly connected to the inner frame 1131, so as to fix the driving motor 121 on the inner frame, inner sides of upper and lower ends of the air diffuser plate 112 are both connected by a connecting plate 128, the connecting plate 128 is fixed at the upper and lower ends of the air diffuser plate 112 by screws or buckles, and the third rack 1124 is provided at an upper end of the connecting plate 128 on an upper side of the air diffuser plate 112 and a lower end of the connecting plate 128 on a lower side of the air diffuser plate 112, and by separately providing a third rack 1124 for mounting, manufacturing is more convenient, and it can be ensured that the third rack 1124 can be accurately and stably fixed at the upper and lower ends of the air.
The present invention further provides a method for controlling an indoor unit of an air conditioner according to the above embodiment, as shown in fig. 42, specifically including the steps of, S1, selecting a cooling mode or a heating mode by a control board on the indoor unit of the air conditioner according to a received control signal;
s2, selecting a conventional air-out mode or a breeze air-out mode according to the control signal received by the control panel;
s3, in the breeze air outlet mode, the switching device controls the air dispersing plate to close the air outlet, the indoor temperature T1 detected by the temperature sensor electrically connected with the control plate is compared with a preset temperature range, and when the temperature T1 falls within the preset temperature range, the fan in the air duct assembly is controlled to decelerate;
under the normal air-out mode, a switching device drives the air-dispersing plate to open the air outlet, the indoor temperature T2 is detected through a temperature sensor electrically connected with the control plate, the T2 is compared with a preset temperature range, and when the T2 falls within the preset temperature range, the indoor unit of the air conditioner is automatically switched to a breeze air-out state.
According to the control method of the air conditioner indoor unit, the air conditioner indoor unit can select a heating mode or a cooling mode according to a detected control signal; the air conditioner indoor unit can select a conventional air outlet mode or a breeze air outlet mode according to the control signal, so that the air outlet mode of the air conditioner indoor unit is more diversified, and the use requirement of a user can be better met; when the indoor temperature needs to be changed quickly, a conventional air outlet mode can be selected, the air outlet is completely opened in the conventional air outlet mode, so that the air outlet quantity is sufficient, the indoor temperature can be changed quickly, meanwhile, in the conventional air outlet mode, the indoor temperature T1 is detected through a temperature sensor connected with the controller, meanwhile, the T1 is compared and judged with a preset temperature value, and when the indoor temperature T1 is adjusted to a preset temperature range quickly, the indoor unit of the air conditioner is controlled to be automatically switched to a breeze air outlet state, so that the air outlet state of the indoor unit of the air conditioner is switched more intelligently, a user does not need to adjust the air outlet state of the air conditioner frequently, and the indoor unit of the air conditioner is more convenient to use; certainly, if a user needs that the indoor unit of the air conditioner is always in the conventional air outlet state, the control panel can be set, so that when the indoor temperature reaches a preset temperature range, the indoor unit of the air conditioner still performs conventional air outlet, and the air outlet state is not automatically switched; in addition, when the breeze is in a blowing state, the indoor temperature T2 is detected through the temperature sensor connected with the controller, meanwhile, the T2 is compared with a preset temperature value for judgment, and when the indoor temperature T2 is rapidly adjusted to a preset temperature range, the speed of the fan in the air duct assembly is controlled to be reduced.
In summary, the indoor unit of an air conditioner provided by the present invention comprises a casing, a switching device, and an air duct assembly disposed in the casing, such that the air conditioner can control the air diffuser plate to rotate through the switching device when working, and block the air outlet when the air diffuser plate rotates to the air outlet, and since the air diffuser plate is provided with a plurality of air diffuser holes, the air flow blown to the air outlet through the air duct assembly can be blown out through the air diffuser holes on the air diffuser plate, and since the air diffuser holes have small sizes, the air flow is dispersed into a plurality of fine air filaments to spread indoors when passing through the air diffuser holes, and a user can feel cool or warm feeling in a room without being directly blown on the body by cold air or hot air, so that the user feels more comfortable and experiences better; when the switching device drives the air dispersing plate to rotate to open the air outlet, the air conditioner can normally exhaust air, a user can select various air exhaust modes according to specific needs, and the user experience is better; the air diffuser is as an integral structure and can be completely blocked when being driven by the switching device to rotate to the air outlet in an arc mode, so that gaps can not appear between the air diffuser and the upper frame and the lower frame of the air outlet, and the noise caused by air flow passing through the gaps can be avoided when the air outlet mode is realized.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. An indoor unit of an air conditioner, characterized in that: the air-conditioning device comprises a shell (11), a switching device (12), an air duct assembly, an air dispersing plate (112) and an air outlet (111) arranged on the shell (11), wherein a containing cavity is formed in the shell (11), and the air duct assembly is arranged in the containing cavity and used for discharging air flow subjected to heat exchange in the containing cavity from the air outlet (111);
the air diffuser plate (112) is an arc plate, the switching device (12) drives the air diffuser plate (112) to rotate along an arc track so as to open or close the air outlet (111), and air diffuser holes (1121) are formed in the air diffuser plate (112);
an air outlet grid (1111) is further arranged at the air outlet (111), and the air outlet grid (1111) is positioned on the inner side of the air diffuser plate (112);
an inner frame (1131) is arranged in the accommodating cavity, an air outlet frame (151) is arranged on the inner frame (1131) at a position corresponding to the air outlet (111), and at least one air guide blade is arranged in the air outlet frame (151); the air dispersing plate (112) is located between the air outlet frame (151) and the air outlet (111).
2. An indoor unit for an air conditioner according to claim 1, wherein: the air diffuser plate (112) is arranged on the inner frame (1131) and can rotate in an arc track under the driving of the switching device (12) to open or close the air outlet frame (151).
3. An indoor unit for an air conditioner according to any one of claims 1 to 2, wherein: the area of each air dispersing hole (1121) is 10-100mm2And the sum of the areas of the plurality of air dispersing holes (1121) accounts for more than half of the total area of the air dispersing plate (112).
4. An indoor unit for an air conditioner according to claim 3, wherein: the air dispersing holes (1121) are round through holes formed in the air dispersing plate (112), and the round through holes are uniformly distributed on the air dispersing plate (112).
5. A control method of an indoor unit of an air conditioner according to claim 1, characterized by comprising the steps of:
s1, the control panel on the indoor machine of the air conditioner selects a cooling mode or a heating mode according to the received control signal;
s2, selecting a conventional air-out mode or a breeze air-out mode according to the control signal received by the control panel;
s3, in the breeze air-out mode, the switching device controls the air-dispersing plate (112) to close the air outlet (111), the indoor temperature T1 detected by the temperature sensor electrically connected with the control panel is compared with a preset temperature range, and when the temperature T1 falls within the preset temperature range, the fan in the air duct assembly is controlled to decelerate;
in a normal air outlet mode, the switching device drives the air diffuser plate (112) to open the air outlet (111), the indoor temperature T2 is detected through the temperature sensor electrically connected with the control panel, the T2 is compared with a preset temperature range, and when the T2 falls within the preset temperature range, the indoor unit of the air conditioner is automatically switched to a breeze air outlet state.
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| CN109631160B (en) * | 2018-11-23 | 2023-08-11 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner, air conditioner and control method |
| CN110285489A (en) * | 2019-06-28 | 2019-09-27 | 广东美的制冷设备有限公司 | Air conditioner indoor unit |
| CN110887187B (en) * | 2019-11-08 | 2021-05-18 | 珠海格力电器股份有限公司 | Air outlet control method of air conditioner |
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| CN202792442U (en) * | 2012-07-12 | 2013-03-13 | 广东美的电器股份有限公司 | Air conditioner indoor machine |
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| CN103673109A (en) * | 2013-12-12 | 2014-03-26 | 广东美的制冷设备有限公司 | Split floor type air conditioner and air channel structure thereof |
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