CN216814376U - Air pipe type air conditioner indoor unit - Google Patents
Air pipe type air conditioner indoor unit Download PDFInfo
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- CN216814376U CN216814376U CN202122872477.7U CN202122872477U CN216814376U CN 216814376 U CN216814376 U CN 216814376U CN 202122872477 U CN202122872477 U CN 202122872477U CN 216814376 U CN216814376 U CN 216814376U
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Abstract
The application relates to the technical field of air conditioners and discloses an air duct type air conditioner indoor unit. The application provides a machine in tuber pipe formula air conditioning includes casing, centrifugal fan, sealed bulkhead and pivot. Centrifugal fan quantity is a plurality of, and sealed baffle can rotate in the casing, and sealed baffle includes a plurality of breachs of dodging, dodges the breach and sets up the spiral case fixedly in sealed baffle. The rotating shaft can rotate in the shell, the rotating shaft is used for fixing wind wheels for transmitting a plurality of centrifugal fans, the sealing partition plate can drive the volute to rotate so as to change the orientation of an air outlet of the volute, and further change the air outlet direction of the air pipe type air conditioner indoor unit, wherein the air inlet distance l of the wind wheels is more than or equal to 30 mm. The air pipe type air conditioner indoor unit can rotate the volute in the space with the thickness of 200mm of the whole machine, and the problems that the existing air pipe type air conditioner indoor unit capable of reversing air supply occupies too large space and is low in air supply performance are solved.
Description
Technical Field
The application relates to the technical field of air conditioners, for example to an air duct type air conditioner indoor unit.
Background
With the improvement of living standard, the air conditioner has become an indispensable household appliance for improving the quality of life, and the application is wide. The air pipe type air conditioner indoor unit arranged on the wall surface above a room or a suspended ceiling of the room is mainly used for lateral air outlet, the density of hot air is low during heating, hot air floats upwards due to the lateral air outlet, and cannot be blown to a user located in the lower area of the room, the temperature distribution in the room is uneven, the problem of upper heat and lower cold is caused, and particularly, the experience feeling is poor for a user who is easy to feel cold.
In the prior art, in order to realize a plurality of states air supply modes, the comfort level of a user is improved. Disclosed is an air duct type air conditioner indoor unit, which comprises a machine body and a reversible air outlet device. The machine body is provided with a lower air inlet and a side air inlet, and an airflow channel communicated with the lower air inlet and the side air inlet is arranged in the machine body; the reversible air outlet device is arranged in the air flow channel to control the air outlet direction of the lower air outlet and the air inlet direction of the side air outlet or the air inlet direction of the lower air outlet and the air outlet direction of the side air outlet under different working conditions. The lower air inlet is arranged on the first side wall of the machine body and/or the side air inlet is arranged on the bottom wall of the machine body. The reversible air outlet device is an axial flow fan.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
the existing air pipe type air conditioner indoor unit adopts a rotatable axial flow fan to switch the air direction, the axial flow fan needs a larger avoiding space in the rotating process, and the existing air pipe type air conditioner indoor unit capable of reversing air supply has the disadvantages of larger overall size and low air supply performance, and cannot meet the needs of users.
SUMMERY OF THE UTILITY MODEL
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides an air duct type air conditioner indoor unit, which can drive a plurality of wind wheels to rotate through axial rotation of a rotating shaft, and a sealing partition plate can drive a plurality of volutes to rotate so as to change the air outlet direction of the air duct type air conditioner indoor unit, so that the air duct type air conditioner indoor unit can realize air outlet switching without setting an avoiding space, and the problems of large occupied space and low air supply performance of the existing air duct type air conditioner indoor unit capable of reversing air supply are solved.
In some embodiments, a ducted air conditioning indoor unit includes a casing, a centrifugal fan, a sealing partition, and a rotary shaft. The centrifugal fans are multiple in number and comprise a volute and a wind wheel; the sealing partition plate is rotatably arranged in the shell and comprises a plurality of avoidance notches, and the avoidance notches fix the volute on the sealing partition plate; the rotating shaft is rotatably arranged in the shell and fixedly penetrates through wind wheels of the centrifugal fans, and the air inlet interval l of the wind wheels is more than or equal to 30 mm; the sealing partition board can drive the volute to rotate so as to change the air outlet direction of the air pipe type air conditioner indoor unit.
In some alternative embodiments, the axis of rotation of the shaft is on the same horizontal line as the axis of rotation of the volute.
In some alternative embodiments, the diameter d of the rotor is in the range of 120mm < d < 160 mm.
In some optional embodiments, the casing is provided with a side air inlet and a lower air inlet, the rotation of the volute enables the air duct type air conditioner indoor unit to switch between a first air outlet mode and a second air outlet mode, and the rotation angle θ range of the volute is as follows: theta is more than or equal to 55 degrees and less than or equal to 75 degrees; the air pipe type air conditioner indoor unit is in a first air outlet mode, air is fed from a side air inlet and is discharged from a lower air inlet; and the air pipe type air conditioner indoor unit is in a second air outlet mode, air is fed from the lower air inlet and is discharged from the side air inlet.
In some optional embodiments, the air duct type air conditioner indoor unit further comprises a connecting plate, the connecting plate is fixed in the shell, and the sealing partition plate is rotatably connected with the connecting plate through a power assembly.
In some alternative embodiments, the power assembly includes a drive gear, a driven gear, and a first drive device. The first driving device is fixed in the shell and comprises a driving output end; the driving gear is arranged on the driving output end; the driven gear is meshed with the driving gear and is fixedly connected with the sealing partition plate; the first driving device drives the driving gear to rotate, and then drives the driven gear to rotate, so that the driven gear drives the sealing partition plate to rotate relative to the connecting plate.
In some optional embodiments, the driven gear is a sector gear, and two ends of a gear body of the sector gear are respectively a first end and a second end, wherein the driving gear is meshed with the first end, and the air duct type air conditioner indoor unit operates in a first air outlet mode; the driving gear is meshed with the second end part, and the air pipe type air conditioner indoor unit operates in a second air outlet mode.
In some optional embodiments, the air duct type air conditioning indoor unit further comprises a rolling bearing, wherein a bearing outer ring of the rolling bearing is fixedly embedded on the connecting plate, and a bearing inner ring of the rolling bearing is fixedly connected with the driven gear, so that the sealing partition plate is rotatably connected with the connecting plate.
In some optional embodiments, the air duct type air conditioner indoor unit further comprises a fixed seat and a second driving device, the fixed seat is fixed on the casing, and the rotating shaft penetrates through the fixed seat; the second driving device is located on the fixed seat and used for driving the rotating shaft to rotate axially.
In some optional embodiments, the air duct type air conditioner indoor unit further comprises a baffle and a third driving device. The baffle comprises a pivot shaft, and the baffle is pivotally connected with the sealing partition plate through the pivot shaft; the third driving device is fixed on the sealing partition plate and used for driving the pivot shaft to axially rotate so as to drive the baffle plate to rotate, and the baffle plate is used for matching with the sealing partition plate to isolate the air inlet flow and the air outlet flow of the volute.
The air duct type air conditioner indoor unit provided by the embodiment of the disclosure can realize the following technical effects:
the air pipe type air conditioner indoor unit comprises a shell, a centrifugal fan, a sealing partition plate and a rotating shaft. The centrifugal fans are multiple in number and comprise a volute and a wind wheel; the sealing partition plate is rotatably arranged in the shell and comprises a plurality of avoidance notches, and the avoidance notches fix the volute on the sealing partition plate; the rotating shaft is rotatably arranged in the shell and fixedly penetrates through wind wheels of the centrifugal fans, and the air inlet interval l of the wind wheels is more than or equal to 30 mm; the sealing partition board can drive the volute to rotate so as to change the orientation of an air outlet of the volute, and further change the air outlet direction of the air pipe type air conditioner indoor unit. The air pipe type air conditioner indoor unit can rotate the volute in the space with the thickness of 200mm of the whole machine, and the problems that the existing air pipe type air conditioner indoor unit capable of reversing air supply occupies too large space and is poor in air supply performance are solved.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
fig. 1 is a schematic cross-sectional structure view of an air conditioning indoor unit provided in an embodiment of the present disclosure;
fig. 2 is a schematic partial structure diagram of an air conditioner indoor unit provided in the embodiment of the present disclosure;
fig. 3 is another partial schematic structural diagram of an air conditioning indoor unit according to an embodiment of the present disclosure;
fig. 4 is a schematic partial structure view of another air conditioning indoor unit provided in the embodiment of the present disclosure;
FIG. 5 is a schematic view of a partial structure of a connection plate and a sealing diaphragm provided by an embodiment of the present disclosure;
FIG. 6 is a schematic illustration of a partial structure of a connection plate and a power assembly provided by an embodiment of the disclosure;
fig. 7 is a partial structural schematic diagram of a housing and a centrifugal fan provided in the embodiment of the present disclosure.
Reference numerals:
1: a housing; 101: a side tuyere; 102: a lower tuyere; 2: sealing the partition plate; 21: avoiding the notch; 22: a first separator; 23: a second separator; 3: a volute; 31: a volute air outlet; 4: a power assembly; 41: a first driving device; 42: a driving gear; 43: a driven gear; 5: a rotating shaft; 6: a wind wheel; 7: a baffle plate; 71: a pivotal shaft; 8: a third driving device; 9: a heat exchanger; 10: a fixed seat; 11: a fixed mount; 12: a second driving device; 13: a connecting plate; 131: avoiding the guide rail.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.
In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.
Referring to fig. 1 to 7, an embodiment of the present disclosure provides an air duct type air conditioning indoor unit.
The traditional single-outlet air pipe type air conditioner indoor unit comprises a side air inlet and a lower air inlet, wherein air is usually supplied into the lower air inlet, and air is discharged from the side air inlet. The air duct in the shell of the air duct type air conditioner indoor unit consists of a fan and an air duct component. The air duct assembly is fixed in the shell to form a fixed air duct, so that air flow enters from the lower air inlet and is exhausted from the side air inlet after passing through the fan and the heat exchanger. The traditional single-air-outlet air pipe type air conditioner indoor unit cannot meet the requirement of a user on the heating process. Although the existing part of air duct type air conditioner indoor units can supply air through the side air inlets and supply air through the lower air outlets, the air duct assemblies need to provide avoidance spaces in the rotating process, so that the air duct type air conditioner indoor units are overlarge in space occupancy rate and low in air supply performance.
The air duct type air conditioner indoor unit provided by the embodiment of the disclosure comprises a shell 1, a centrifugal fan, a sealing partition plate 2 and a rotating shaft 5. The number of the centrifugal fans is multiple, and the centrifugal fans comprise a volute 3 and a wind wheel 6; the sealing partition plate 2 is rotatably arranged in the shell 1, the sealing partition plate 2 comprises a plurality of avoidance notches 21, and the avoidance notches 21 fixedly arrange the volute 3 on the sealing partition plate 2; the rotating shaft 5 is rotatably arranged in the shell 1 and fixedly penetrates through wind wheels 6 of the centrifugal fans, and the air inlet interval l of the wind wheels 6 is more than or equal to 30 mm; the sealing partition board 2 can drive the volute 3 to rotate so as to change the orientation of an air outlet of the volute 3, and further change the air outlet direction of the air pipe type air conditioner indoor unit.
Specifically, the sealing separator 2 includes a first separator 22 and two second separators 23. The first partition plate 22 is vertically and fixedly connected with the second partition plate 23. A plurality of dodge the mouth has evenly been seted up to first baffle 22, and the air outlet one-to-one joint of a plurality of volutes 3 is fixed on dodging the mouth, and spiral case 3 is held wind wheel 6, through 5 fixed connection of pivot between a plurality of wind wheels 6. This application rotates through sealed partition 2 and drives a plurality of volutes 3 and rotate, and 5 axial rotations of pivot drive a plurality of wind wheels 6 rotatory, need not additionally to provide and dodge the space. The problem of current air duct type air conditioning indoor set occupation space too big of switching-over air supply is solved. The air duct type air conditioner indoor unit can be provided with a plurality of air ports, and air outlet and air inlet can be switched among different air ports through rotation of the volute. Meanwhile, in order to guarantee air supply performance, a plurality of centrifugal fans are arranged, and the minimum air inlet interval of the wind wheel 6 cannot be smaller than 30 mm. Preferably, the distance between the adjacent wind wheels 6 is 60mm, and the distance between the sealing partition plate 2 and the adjacent wind wheels 6 is 30mm, so that the air supply volume and the air inlet uniformity of the air duct type air conditioner indoor unit are improved. The problem of the indoor air supply performance of the air duct type air conditioner of current reversible air supply poor is solved.
Alternatively, the rotation axis 5 line of the rotation shaft 5 is located on the same horizontal line as the rotation axis 5 line of the scroll casing 3. Therefore, the volute 3 and the wind wheel 6 move independently, and the problem that the volute 3 and the wind wheel 6 collide and rub in the operation process of the air duct type air conditioner indoor unit can be solved.
Optionally, the casing 1 is provided with a side air inlet 101 and a lower air inlet 102, the volute 3 rotates to enable the air duct type air conditioner indoor unit to switch between the first air outlet mode and the second air outlet mode, and the rotation angle θ range of the volute 3 is: theta is more than or equal to 55 degrees and less than or equal to 75 degrees; the air pipe type air conditioner indoor unit is in a first air outlet mode, air is fed from the side air inlet 101 and is exhausted from the lower air inlet 102; and when the air pipe type air conditioner indoor unit is in the second air outlet mode, air is fed from the lower air inlet 102 and is discharged from the side air inlet 101. Specifically, the down-wind port 102 of the air duct type air conditioning indoor unit is located on the side wall surface of the casing 1, and the side-wind port 101 is located on the lower wall surface of the casing 1. When the air pipe type air conditioner indoor unit operates in a heating working condition, the air pipe type air conditioner indoor unit is in a first air outlet mode. The air outlet direction of the air pipe type air conditioner indoor unit is downward air outlet, hot air is light and easy to float at the top of a room, and hot air can be conveyed to a human body region through the air outlet mode of the downward air outlet, so that the comfort of a space in the region where a user is located is better. And when the air pipe type air conditioner indoor unit operates in a refrigerating working condition, the air pipe type air conditioner indoor unit is in a second air outlet mode. The air outlet direction of the air pipe type air conditioner indoor unit is lateral air outlet, cold air descends from top to bottom during refrigeration, and refrigeration air supply is more uniform.
The air duct type air conditioner indoor unit is in a first air outlet mode, and the range of an included angle beta between the plane where the volute air outlet 31 is located and the horizontal plane is as follows: beta is more than or equal to 10 degrees and less than or equal to 20 degrees; the air duct type air conditioner indoor unit is in a second air outlet mode, and the range of an included angle delta between the plane where the volute air outlet 31 is located and the horizontal plane is as follows: delta is more than or equal to 75 degrees and less than or equal to 85 degrees. Therefore, the rotation angle of the sealing partition plate 2 does not need to reach 90 degrees, and the air outlet wind direction switching of the lower air outlet and the side air outlet can be realized. Preferentially, the rotation angle of the sealing partition plate 2 is 65 degrees, so that the air pipe type air conditioner indoor unit can have better air outlet performance in a space with the thickness of 200mm of the whole machine.
Optionally, the diameter d of the wind wheel 6 is within the range of 120mm and less than or equal to d and less than or equal to 160 mm. The range of the ratio x of the diameter of the wind wheel 6 to the height of the volute 3 is more than or equal to 0.6 and less than or equal to 0.9. For the air duct type air conditioner indoor unit with the thickness of the whole machine within 200mm, the volute 3 can be ensured to rotate in the space with the thickness of the whole machine within 200mm, and meanwhile, the air supply performance is ensured. Optionally, the height h of the volute 3 is 160mm ≤ h ≤ 190 mm.
Optionally, the volute 3 comprises an upper volute portion and a lower volute portion, the upper volute portion comprises the volute outlet 31, and the upper volute portion is integrally formed. A plurality of upper volute parts are fixedly clamped on a plurality of avoidance notches 21 of the sealing partition plate 2, and the lower volute parts are connected with the upper volute parts in a one-to-one correspondence manner. The lower volute part and the upper volute part can be connected in a bayonet buckle mode, and other detachable connection modes can also be adopted, and limitation is not required. In order to strengthen the strength of the upper volute part, an L-shaped fixing plate can be additionally arranged, and two side edges of the L-shaped fixing plate are respectively fixed on the air outlet position of the upper volute part and the sealing partition plate 2.
Optionally, the air duct type air conditioning indoor unit further comprises a connecting plate 13, the connecting plate 13 is fixed in the casing 1, and the sealing partition plate 2 is rotatably connected with the connecting plate 13 through the power assembly 4. The connecting plate 13 is fixed to the side wall end inside the housing 1. The number of the connecting plates 13 is two, and the two connecting plates 13 are oppositely arranged in parallel and are rotatably connected with the second partition plate 23. Alternatively, the power assembly 4 includes a driving gear 42, a driven gear 43, and a first driving device 41. The driving gear 42 is rotatably arranged on the connecting plate 13; the driven gear 43 is meshed with the driving gear 42, and the driven gear 43 is fixedly connected with the sealing partition plate 2; the driving output end of the first driving device 41 is connected to the driving gear 42 to drive the driving gear 42 to rotate, and further drive the driven gear 43 to rotate, so that the driven gear 43 drives the sealing partition 2 to rotate relative to the connecting plate 13.
When the air pipe type air conditioner indoor unit is used for discharging air downwards, the volute air outlet 31 corresponds to the lower air outlet 102, and when the air pipe type air conditioner indoor unit is used for discharging air laterally, the volute air outlet 31 corresponds to the side air outlet 101. Specifically, the connecting plate 13 is fixedly embedded with a bearing, and the driven gear 43 penetrates through the bearing and is fixedly connected with the sealing partition plate 2. The first driving device 41 includes a driving motor, and the driving motor drives the driving gear 42 to rotate, thereby rotating the driven gear 43 in meshing engagement with the driving gear 42.
Optionally, the driven gear 43 is a sector gear, and two ends of a gear body of the sector gear are respectively a first end and a second end, wherein the driving gear 42 is meshed with the first end, and the air duct type air conditioner indoor unit operates in a first air outlet mode; the driving gear 42 is meshed with the second end part, and the air pipe type air conditioner indoor unit operates in a second air outlet mode. Therefore, the air pipe type air conditioner indoor unit can accurately butt joint the volute air outlet 31 to the preset position corresponding to the air outlet mode without additionally arranging other elements such as a micro-control switch.
Optionally, the air duct type air conditioning indoor unit comprises a rolling bearing, an outer bearing ring of which is fixedly embedded on the connecting plate 13, and an inner bearing ring of which is fixedly connected with the driven gear 43, so that the sealing partition plate 2 is rotatably connected with the connecting plate 13. In this way, friction can be avoided when the sealing diaphragm 2 rotates relative to the connecting plate 13, avoiding unnecessary damage to the components.
Optionally, the air duct type air conditioning indoor unit further comprises a fixed seat 10 and a second driving device 12, the fixed seat 10 is fixed on the casing 1, and the rotating shaft 5 penetrates through the fixed seat 10; the second driving device 12 is located on the fixing seat, and the second driving device 12 is used for driving the rotating shaft 5 to axially rotate. The fixing seat 10 is fixed on the upper wall surface of the casing 1 and is positioned between two adjacent volutes 3. The second driving device 12 is connected with the plurality of wind wheels 6 through a coupler so as to drive the wind wheels 6 to integrally rotate. Preferably, the coupler is a rubber coupler, and the rubber coupler has certain elasticity and plays a role in buffering.
Optionally, the air duct type air conditioning indoor unit further comprises a fixing frame 11. The fixing frame 11 is fixed on the upper wall surface of the shell 1, a bearing is embedded in the fixing frame 11, the outer ring of the bearing is fixedly connected with the fixing frame 11, and the inner ring of the bearing is fixedly connected with the rotating shaft 5. The fixed mount 11 and the fixed mount 10 bear the load of the rotating shaft 5 together, so that the rotating shaft 5 operates more stably.
Optionally, the air duct type air conditioning indoor unit further comprises a baffle 7 and a third driving device 8. The baffle 7 comprises a pivot shaft 71, and the baffle 7 is pivotally connected with the sealing partition plate 2 through the pivot shaft 71; the main body of the third driving device 8 is fixed on the sealing partition plate 2, the third driving device 8 is used for driving the pivot shaft 71 to axially rotate so as to drive the baffle 7 to rotate, and the baffle 7 is used for matching with the sealing partition plate 2 to isolate the air inlet flow and the air outlet flow of the volute 3. The sealing partition plate 2 drives the volute 3 to rotate in the shell 1, so that the air duct type air conditioner indoor unit can be switched between two air outlet modes. Baffle 7 is rotatable relative to seal baffle 2 to make the interior machine of tuber pipe air conditioning under first air-out mode and second air-out mode, the homoenergetic is separated centrifugal fan's air inlet flow and air-out flow, make the interior machine of tuber pipe air conditioning form complete wind channel curve through rotating baffle 7, these two wind channels of air inlet channel and air-out wind channel do not influence each other, avoid two wind channels mutual interference to cause amount of wind loss and turbulent flow to produce, be favorable to reducing the noise in the interior machine of tuber pipe air conditioning, promote the air supply performance of the interior machine of tuber pipe air conditioning.
Optionally, the baffle 7 is an arc-shaped plate, and the radians of the arc-shaped angle air ducts of the baffle 7 are matched. Rotatable baffle 7 can make the interior machine of air duct type air conditioner under first air-out mode and second air-out mode, and the homoenergetic forms complete wind channel curve, has not only avoided 3 air inlet air flows of spiral case and air-out air flow to influence each other, has optimized the air supply wind channel moreover, has promoted air supply performance.
Optionally, the connection plate 13 comprises an avoidance guide 131, the avoidance guide 131 providing a movement track for the third drive 8. The third driving device 8 is located at the end of the pivot shaft 71 and penetrates through the sealing partition plate 2 to be connected with the pivot shaft 71.
Optionally, the avoidance guide rail 131 is a fan-shaped notch, and a fan-shaped angle θ of the fan-shaped notch ranges from 55 ° to 75 °. The fan-shaped notch can be in a fan shape or in an arc shape, is not particularly limited, and can provide an avoiding track in the switching of the first air outlet mode and the second air outlet mode, and can play a limiting role in the switching of the first air outlet mode and the second air outlet mode.
Optionally, the virtual center of the circle subtended by the fan-shaped notch is located on the axial center extension line of the rotating shaft 5. Through the arrangement of the fan-shaped gap, a larger air duct space can be obtained in a space with the thickness of 200mm of the whole machine of the air duct type air conditioner indoor unit.
Optionally, the air duct type air conditioning indoor unit further includes a heat exchanger 9, the heat exchanger 9 is located between the side air opening 101 and the volute 3, and the heat exchanger 9 includes a plurality of fins, and the fins are perpendicular to the side air opening 101. In the first air outlet mode, the volute 3 is obliquely discharged from the side air inlet 101 downwards; under the second air-out mode, because 3 rotation angles of spiral case are the acute angle, and then lead to the air-out direction of spiral case air outlet 31 department to be the side air-out downwards, easily make cold wind blow directly the user, experience feels relatively poor. The plurality of fins of the heat exchanger 9 are obliquely arranged on the surface of the base plate of the heat exchanger 9, so that the plurality of fins are perpendicular to the lower air inlet 102, cold air can be horizontally discharged from the lower air inlet 102, the distance from the air flow at the lower air inlet 102 to a human body is increased, and the condition that the discharged air of the air pipe type air conditioner indoor unit directly faces to the body of a user is avoided.
Optionally, the air duct type air conditioning indoor unit further includes a control unit configured to: receiving a mode control instruction; receiving scene data; and controlling the rotation angle of the volute 3 according to the mode control instruction and the scene data so as to control the airflow direction of the downdraft opening 102 and the crossdraft opening 101. Specifically, the rotation angle of the volute 3 and the heat exchange amount of the heat exchanger 9 can be intelligently controlled according to the number of people, the body surface temperature of the people, the distribution position of the people and the ambient temperature in the same space, and the air duct type air conditioner indoor unit can operate in the first air outlet mode or the second air outlet mode. When the temperature of the personnel is too low, the air pipe type air conditioner indoor unit in the room where the personnel is located is controlled to operate in the first air outlet mode, the volute air outlet 31 is controlled to rotate to the corresponding position of the side air opening 101, and the heat exchange quantity of the heat exchanger 9 is controlled, so that the air pipe type air conditioner indoor unit blows hot air downwards from the side air opening 101. Similarly, when the temperature of the personnel is too high, the air pipe type air conditioner indoor unit in the room where the personnel is located is controlled to operate in the second air outlet mode, the volute air outlet 31 is controlled to rotate to the corresponding position of the lower air inlet 102, the heat exchange quantity of the heat exchanger 9 is controlled, and the air pipe type air conditioner indoor unit blows cold air from the side direction of the lower air inlet 102. Therefore, the user can obtain good experience no matter in the refrigeration working condition or the heating working condition. Furthermore, the air duct type air conditioner indoor unit of the application can play a certain guiding role to the air flow under different working conditions by arranging the rotatable baffle 7, and no matter the air flow is in a refrigerating working condition or a heating working condition, a complete air duct curve can be formed by rotating the baffle 7 by a certain angle, so that air flow turbulence and turbulence in the air duct are avoided, air supply quantity is increased, and air duct noise is reduced.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. An air duct type air conditioner indoor unit, comprising:
a housing;
the centrifugal fans are multiple in number and comprise a volute and a wind wheel;
the sealing partition plate is rotatably arranged in the shell and comprises a plurality of avoidance notches, and the avoidance notches fixedly arrange the volute in the sealing partition plate; and the combination of (a) and (b),
the rotating shaft is rotatably arranged in the shell and fixedly penetrates through wind wheels of the centrifugal fans, and the air inlet interval l of the wind wheels is more than or equal to 30 mm;
the sealing partition board can drive the volute to rotate so as to change the orientation of an air outlet of the volute, and further change the air outlet direction of the air pipe type air conditioner indoor unit.
2. The indoor unit of an air duct type air conditioner according to claim 1,
the rotation axis of the rotating shaft and the rotation axis of the volute are located on the same horizontal line.
3. The indoor unit of an air duct type air conditioner according to claim 1,
the diameter d of the wind wheel is more than or equal to 120mm and less than or equal to 160 mm.
4. The indoor unit of an air duct type air conditioner according to claim 1,
the casing is provided with a side air inlet and a lower air inlet, the rotation of the volute enables the air pipe type air conditioner indoor unit to be switched between a first air outlet mode and a second air outlet mode, and the rotation angle theta range of the volute is as follows: theta is more than or equal to 55 degrees and less than or equal to 75 degrees;
the air pipe type air conditioner indoor unit is in a first air outlet mode, air is fed from a side air inlet and is discharged from a lower air inlet; and the air pipe type air conditioner indoor unit is in a second air outlet mode, air is fed from the lower air inlet and is discharged from the side air inlet.
5. The air duct type air conditioning indoor unit of claim 1, further comprising:
the connecting plate is fixed in the shell, and the sealing partition plate is rotationally connected with the connecting plate through a power assembly.
6. The air duct type air conditioning indoor unit of claim 5, wherein the power unit comprises:
the first driving device is fixed in the shell and comprises a driving output end;
the driving gear is arranged on the driving output end; and (c) and (d),
the driven gear is meshed with the driving gear and is fixedly connected with the sealing partition plate;
the first driving device drives the driving gear to rotate so as to drive the driven gear to rotate, so that the driven gear drives the sealing partition plate to rotate relative to the connecting plate.
7. The indoor unit of an air duct type air conditioner according to claim 6,
the driven gear is a sector gear, the two ends of the gear body of the sector gear are respectively a first end part and a second end part,
the driving gear is meshed with the first end, and the air pipe type air conditioner indoor unit operates in a first air outlet mode; the driving gear is meshed with the second end portion, and the air pipe type air conditioner indoor unit operates in a second air outlet mode.
8. The indoor unit of an air duct type air conditioner according to claim 6, further comprising:
and the bearing outer ring of the rolling bearing is fixedly embedded on the connecting plate, and the bearing inner ring is fixedly connected with the driven gear so as to enable the sealing partition plate to be rotatably connected with the connecting plate.
9. The air duct type indoor unit of an air conditioner according to claim 1, further comprising:
the fixed seat is fixed on the shell, and the rotating shaft penetrates through the fixed seat; and the combination of (a) and (b),
and the second driving device is positioned on the fixed seat and is used for driving the rotating shaft to axially rotate.
10. The air duct type indoor unit of an air conditioner according to claim 1, further comprising:
the baffle comprises a pivot shaft, and the baffle is pivotally connected with the sealing partition plate through the pivot shaft; and the combination of (a) and (b),
and the third driving device is fixed on the sealing partition plate, the driving end of the third driving device is connected with the pivot shaft so as to drive the pivot shaft to axially rotate so as to drive the baffle to rotate, and the baffle is matched with the sealing partition plate so as to isolate the air inlet flow and the air outlet flow of the volute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122872477.7U CN216814376U (en) | 2021-11-19 | 2021-11-19 | Air pipe type air conditioner indoor unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122872477.7U CN216814376U (en) | 2021-11-19 | 2021-11-19 | Air pipe type air conditioner indoor unit |
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| CN216814376U true CN216814376U (en) | 2022-06-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023159950A1 (en) * | 2022-02-25 | 2023-08-31 | 青岛海尔空调电子有限公司 | Method and apparatus for controlling air conditioner, air conditioner and storage medium |
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2021
- 2021-11-19 CN CN202122872477.7U patent/CN216814376U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023159950A1 (en) * | 2022-02-25 | 2023-08-31 | 青岛海尔空调电子有限公司 | Method and apparatus for controlling air conditioner, air conditioner and storage medium |
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