CN114811731A - Indoor unit and air conditioner - Google Patents

Indoor unit and air conditioner Download PDF

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Publication number
CN114811731A
CN114811731A CN202210270786.3A CN202210270786A CN114811731A CN 114811731 A CN114811731 A CN 114811731A CN 202210270786 A CN202210270786 A CN 202210270786A CN 114811731 A CN114811731 A CN 114811731A
Authority
CN
China
Prior art keywords
air
air outlet
volute
indoor unit
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210270786.3A
Other languages
Chinese (zh)
Inventor
蔡艳芳
张吉义
徐雪峰
孙明明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd, Qingdao Haier Air Conditioning Electric Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN202210270786.3A priority Critical patent/CN114811731A/en
Publication of CN114811731A publication Critical patent/CN114811731A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
    • 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
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • 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
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
    • 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
    • F24F13/20—Casings or covers
    • 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
    • F24F13/28—Arrangement or mounting of filters
    • 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
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
    • F24F8/158—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The application relates to the technical field of air conditioners, and discloses an indoor unit, including: the air conditioner comprises a shell, a fan body and a fan cover, wherein an air outlet and two air inlets are formed in the same side plate of the shell, and the two air inlets are respectively positioned on two sides of the air outlet; the heat exchange assembly is arranged in the shell and is positioned at the air outlet or the air inlet; the fan assembly is arranged in the shell and comprises two centrifugal fans; the air suction ports of the two centrifugal fans are respectively arranged at the air inlet ports, and the air outlet ports of the two centrifugal fans are oppositely arranged; and the air duct assembly is arranged in the shell and used for guiding the air outlet of the two air outlets to the air outlet. The air inlet and the air outlet are both arranged on the same side plate of the machine shell, so that the air inlet and the air outlet are prevented from being arranged on different side plates to influence the indoor decoration effect. The application also discloses an air conditioner.

Description

Indoor unit and air conditioner
Technical Field
The application relates to the technical field of air conditioners, for example to an indoor unit and an air conditioner.
Background
The air duct type air conditioner is commonly called as an air duct type air conditioner, and the air duct type air conditioner adopts a one-to-one mode and comprises an outdoor unit and an indoor unit. When the indoor unit, the refrigerant pipeline, the drainage pipeline and the line pipeline are all hidden in the suspended ceiling. Therefore, compared with a wall-mounted air conditioner and a cabinet air conditioner, the air duct machine is more attractive and space-saving, and the installation position is more flexible.
The air duct machine in the related art generally adopts the mode of air inlet from the bottom and air outlet from the side, a centrifugal fan is arranged in the air duct machine, the air outlet of the centrifugal fan is guided to an air outlet of the air duct machine through an air duct, and finally the air outlet is blown to the indoor.
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 mode of air inlet below and air outlet from the side needs to reserve an air inlet and an air outlet on the bottom plate and the side plate of the casing of the air duct machine respectively, and the installation is limited and the decoration effect is influenced.
Disclosure of Invention
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 indoor unit and an air conditioner, and solves the problem that a decoration effect is influenced by the fact that air inlet/outlet openings of an air duct machine are arranged on different side plates.
In some embodiments, the indoor unit includes:
the air conditioner comprises a shell, a fan body and a fan cover, wherein an air outlet and two air inlets are formed in the same side plate of the shell, and the two air inlets are respectively positioned on two sides of the air outlet;
the heat exchange assembly is arranged in the shell and is positioned at the air outlet or the air inlet;
the fan assembly is arranged in the shell and comprises two centrifugal fans; the air suction ports of the two centrifugal fans are respectively arranged at the air inlet ports, and the air outlet ports of the two centrifugal fans are oppositely arranged;
and the air duct assembly is arranged in the shell and used for guiding the air outlet of the two air outlets to the air outlet.
Optionally, the centrifugal fan includes:
and the axis of the impeller is perpendicular to the bottom plate of the casing.
Optionally, the centrifugal fan includes:
an impeller having an axis parallel to a bottom plate of the casing.
Optionally, the axes of the impellers of the two centrifugal fans are parallel to each other.
Optionally, the centrifugal fan further comprises:
a volute defining a volute air duct, the impeller being located within the volute air duct; the first end of the volute air duct is an air suction port of the centrifugal fan, and the second end of the volute air duct is an air outlet of the centrifugal fan;
the fan assembly further includes:
a partition plate provided with a mounting opening; the volute is located on one side of the partition plate, the second end of the volute air channel is installed on the partition plate, and the air outlet corresponds to the installation opening.
Optionally, the end of the second end of the volute air duct extends out of the mounting opening.
Optionally, bayonets are arranged on the periphery of the mounting opening of the partition plate;
the periphery of the second end of the volute air channel is provided with a clamping hook, and the clamping hook corresponds to the bayonet so that the volute is clamped on the partition plate.
Optionally, the heat exchange assembly includes:
and the heat exchanger covers the air outlet or the air inlet.
Optionally, the air duct assembly includes:
the two air duct side walls are positioned between the two centrifugal fans and are respectively opposite to the air outlets of the two centrifugal fans; the air outlet of the air outlet blows to the air outlet along the side wall of the air duct.
In some embodiments, the air conditioner includes the indoor unit according to any one of the above embodiments.
The indoor unit and the air conditioner provided by the embodiment of the disclosure can realize the following technical effects:
the air inlet and the air outlet are both arranged on the same side plate of the machine shell, so that the air inlet and the air outlet are prevented from being arranged on different side plates to influence the indoor decoration effect. The heat exchange assembly and the fan assembly of the indoor unit are arranged in an air inlet or an air outlet, the axis of the impeller of the centrifugal fan is perpendicular to or parallel to the bottom plate of the casing, and the air duct assembly is used for guiding air exhausted by the centrifugal fan to circulate to the air outlet. Therefore, the heat exchange assembly, the fan assembly and the air duct assembly are reasonably arranged, and the installation space in the shell can be saved.
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 structural diagram of an indoor unit provided in an embodiment of the present disclosure;
FIG. 2 is a schematic view of a centrifugal fan layout provided by an embodiment of the present disclosure;
FIG. 3 is a schematic view of another centrifugal fan configuration provided by embodiments of the present disclosure;
FIG. 4 is a schematic view of a duct sidewall provided by an embodiment of the present disclosure;
FIG. 5 is a schematic view of a symmetrically arranged air chute side wall provided by embodiments of the present disclosure;
fig. 6 is a schematic structural diagram of a motor base provided in an embodiment of the present disclosure;
FIG. 7 is a schematic structural diagram of a centrifugal fan provided in an embodiment of the present disclosure;
FIG. 8 is a schematic structural diagram of a separator provided by an embodiment of the present disclosure;
fig. 9 is a schematic structural diagram of another motor base provided in the embodiment of the present disclosure.
Reference numerals:
100: a housing; 110: a front side plate; 111: an air inlet; 112: an air outlet; 120: a base plate;
200: a centrifugal fan; 210: an impeller; 220: a volute; 221: an air suction opening; 222: an air outlet; 223: a flange; 224: a hook; 230: a single-shaft motor; 240: a double output shaft motor; 250: a motor base; 251: a support; 260: a side wall of the air duct; 261: a first curved surface; 262: a second curved surface;
300: a partition plate; 310: an installation port; 311: a bayonet;
400: a heat exchanger.
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 devices, elements or components indicated to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides orientation or position, for example, the term "on" may also be used to indicate some kind of attachment or connection in some cases. 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.
As shown in fig. 1-9, an indoor unit according to an embodiment of the present disclosure includes a casing 100, a heat exchange assembly, a fan assembly, and an air duct assembly. Wherein, an air outlet 112 and two air inlets 111 are disposed on the same side plate of the casing 100, and the two air inlets 111 are respectively located at two sides of the air outlet 112; the heat exchange assembly is arranged in the casing 100, and the heat exchange assembly is located at the air outlet 112 or the air inlet 111; the fan assembly is arranged in the casing 100 and comprises two centrifugal fans 200; the air suction ports 221 of the two centrifugal fans 200 are respectively arranged at the two air inlets 111, and the air outlet ports 222 of the two centrifugal fans 200 are oppositely arranged; the air duct assembly is disposed in the casing 100 for guiding the air from the two air outlets 222 to the air outlet 112.
With the indoor unit provided by the embodiment of the present disclosure, the air inlet 111 and the air outlet 112 are both disposed on the same side plate of the casing 100, so that the effect of the indoor decoration that the air inlet 111 and the air outlet 112 are disposed on different side plates is prevented from being affected. The heat exchange assembly and the fan assembly of the indoor unit are arranged in a manner that the heat exchange assembly is disposed at the air inlet 111 or the air outlet 112, the axis of the impeller 210 of the centrifugal fan 200 is perpendicular to or parallel to the bottom plate 120 of the casing 100, and the air duct assembly is used for guiding the air discharged by the centrifugal fan 200 to circulate to the air outlet 112. Therefore, the heat exchange assembly, the fan assembly and the air duct assembly are reasonably arranged, and the installation space in the casing 100 can be saved.
Alternatively, as shown in fig. 1, the cabinet 100 of the indoor unit is configured in a rectangular parallelepiped shape, and a ceiling installation manner is adopted, and the bottom plate 120 of the cabinet 100 is horizontally disposed, and one side plate of the cabinet 100 faces the indoor and is referred to as a front side plate 110. The air inlet 111 and the air outlet 112 of the casing 100 are both arranged on the front side plate 110, so that other side plates of the casing 100, the bottom plate 120 and the top plate can be attached to a wall or a cabinet body according to decoration requirements, thereby achieving the effect of hiding an indoor unit and further improving decoration effect.
In some embodiments, centrifugal fan 200 includes an impeller 210, the axis of impeller 210 being parallel or perpendicular to the bottom plate 120 of casing 100.
Optionally, as shown in fig. 7 and 8, the centrifugal fan 200 further includes a volute 220, and the fan assembly further includes two partitions 300, each partition 300 corresponding to one centrifugal fan 200. The volute 220 defines a volute air duct, the impeller 210 being located within the volute air duct; moreover, the first end of the volute air duct is an air suction port 221 of the centrifugal fan 200, and the second end of the volute air duct is an air exhaust port 222 of the centrifugal fan 200; the partition 300 is provided with a mounting opening 310; the scroll 220 is located at one side of the partition 300, the second end of the scroll duct is mounted on the partition 300, and the exhaust port 222 corresponds to the mounting port 310. In this way, the volute 220 can be effectively fixed by the partition 300.
Optionally, the end of the second end of the volute duct extends beyond the mounting opening 310 of the partition 300. The side wall of the second end of the volute duct abuts against the inner wall of the mounting opening 310, so that the mounting opening 310 has a certain limiting effect on the duct volute 220, and the connection stability between the volute 220 and the partition plate 300 is improved.
Optionally, a flange 223 is disposed around the second end of the volute air duct, and corresponding bolt holes are disposed on the flange 223 and the partition 300. The flange 223 may be fixed to the partition 300 using bolt fasteners fitted to the bolt holes.
Optionally, a plate rib is arranged at the joint of the flange 223 and the volute 220. The flange 223 is supported and protected by the plate ribs, and the connection strength between the flange 223 and the volute 220 is improved.
Optionally, the peripheral edge of the second end of the volute air duct is provided with a hook 224, and the peripheral edge of the mounting opening 310 of the partition plate 300 is provided with a bayonet 311. The hook 224 corresponds to the bayonet 311, and the volute 220 can be fixed to the partition 300 by engaging the hook 224 with the bayonet 311.
Optionally, the volute 220 includes an upper housing and a lower housing. The lower shell is detachably connected to the upper shell, and the volute air channel is defined by the upper shell and the lower shell after the upper shell and the lower shell are connected. After the upper and lower shells are disassembled, the components in the volute 220 can be conveniently overhauled.
Alternatively, the axes of the impellers 210 of the centrifugal fans 200 are arranged parallel to the bottom plate 120 of the casing 100, and the axes of the impellers 210 of the two centrifugal fans 200 are parallel to each other. Centrifugal fan 200 also includes a single-shaft motor 230 and a motor mount 250. The motor mount 250 is disposed on the partition 300 and corresponds to the single-shaft motor 230 for mounting and fixing the single-shaft motor 230. Thus, both the volute 220 and the motor mount 250 are mounted on the partition 300.
Alternatively, the axes of the impellers 210 of the centrifugal fans 200 are arranged parallel to the bottom plate 120 of the casing 100, and the axes of the impellers 210 of the two centrifugal fans 200 are parallel to each other. As shown in fig. 6, the centrifugal fan 200 further includes a double-output shaft motor 240 and a motor base 250. The motor base 250 is disposed on the partition 300 and corresponds to the dual output shaft motor 240 for installing and fixing the dual output shaft motor 240. Thus, both the volute 220 and the motor mount 250 are mounted on the partition 300.
Alternatively, the axis of the impeller 210 of the centrifugal fan 200 is perpendicular to the bottom plate 120 of the casing 100, and the centrifugal fan 200 is installed in a lying manner. The centrifugal fan 200 includes a single-shaft motor 230 and a motor mount 250, as shown in fig. 9, the single-shaft motor 230 is disposed below the impeller 210 and the driving shaft penetrates the impeller 210, and the motor mount 250 is disposed below the single-shaft motor 230 and fixed to the bottom plate 120 of the casing 100. The upper surface of the motor mount 250 is provided with a plurality of brackets 251. Therefore, the single-shaft motor 230 is fixed through the motor base 250, and the volute 220 is supported through the support 251, so that the centrifugal fan 200 is more stable.
Optionally, the impeller 210 of the centrifugal fan 200 is disposed perpendicular to the bottom plate 120 of the casing 100, and the centrifugal fan 200 is installed in a lying manner. The centrifugal fan 200 includes a single-shaft motor 230 and a motor base 250, the single-shaft motor 230 is disposed above the impeller 210 and the driving shaft penetrates the impeller 210, the motor base 250 is disposed above the single-shaft motor 230 and fixed on the top plate of the casing 100, and the motor base 250 is used for fixing the single-shaft motor 230. This lifts the single-shaft motor 230 by the motor mount 250.
In some embodiments, the air duct assembly is located between the two centrifugal fans 200, the air duct assembly includes two air duct sidewalls 260, and the two air duct sidewalls 260 are respectively opposite to the air outlets 222 of the two centrifugal fans 200; the air from the air outlet 222 is blown along the air duct sidewall 260 toward the air outlet 112. Indoor air enters the casing 100 from the air inlet 111, the impeller 210 sucks the air in the casing 100 into the volute air duct from the air inlet 221 by centrifugal force when rotating, and blows the air to the air duct side wall 260 from the air outlet 222 after being compressed, and finally the air blows the air into the room along the air duct side wall 260.
Optionally, the air duct side wall 260 is configured with two adjacent curved surfaces, and the bending directions of the two curved surfaces are the same; the fan assembly and the air outlet 112 are located on the same side of the two curved surfaces, and the air outlet direction of the fan assembly faces the air duct side wall 260, so that the air outlet of the fan assembly blows towards the air outlet 112 along the two curved surfaces. Indoor air enters the casing 100 from the air inlet 111, and the air in the casing 100 flows toward the air outlet 112 along the air passage side wall 260 by the blowing action of the centrifugal fan 200, and is finally blown into the room. Because the air duct side wall 260 is constructed with two adjacent curved surfaces, when the centrifugal fan 200 blows air towards the air duct side wall 260, the air circulates towards the air outlet 112 along the two curved surfaces, the noise generated by the air wake at the tail end of the air duct side wall 260 is small, and the air outlet of the air outlet 112 is uniform.
Optionally, the two adjacent curved surfaces are respectively referred to as a first curved surface 261 and a second curved surface 262, where the first curved surface 261 is close to the centrifugal fan 200, the second curved surface 262 is close to the air outlet 112, and a tangent at the end of the first curved surface 261 intersects with the second curved surface 262. Centrifugal fan 200 blows to first curved surface 261, and centrifugal fan 200's whole air-out falls on first curved surface 261 promptly, and when the air current leads to the end of first curved surface 261, the air has two circulation directions: the first is vertically facing the air outlet 112, and the second is along the tangent of the end of the first curved surface 261. Then, the air circulating along the tangent line of the end of the first curved surface 261 blows toward the second curved surface 262, and when the air circulates to the end of the second curved surface 262, the air has two circulation directions: the first is vertically facing the air outlet 112, and the second is along the tangent of the end of the second curved surface 262. It can be seen that when air circulates on the two sections of curved surfaces, part of the air is discharged towards the air outlet 112 vertically, so that the air is discharged uniformly. And the air duct side wall 260 is configured with two adjacent curved surfaces, compared with the case that one curved surface is used for guiding the centrifugal fan 200 to discharge air to the air outlet 112, because the air circulating along the tangent line of the end of the first curved surface 261 is continuously guided by the second curved surface 262, the air is buffered and circulates along two directions at the end of the second curved surface 262, and therefore the noise generated by the air wake flow at the end of the second curved surface 262 is very small. Under the condition that the centrifugal fan 200 blows air to the first curved surface 261 and the second curved surface 262 at the same time, that is, the air outlet of the centrifugal fan 200 falls on the first curved surface 261 and the second curved surface 262 at the same time, the above effects of uniform air outlet and low noise are also achieved.
Optionally, the first curved surface 261 and the second curved surface 262 are both circular arc curved surfaces. The first curved surface 261 and the second curved surface 262 have the same curvature.
Optionally, the first curved surface 261 and the second curved surface 262 are both circular arc curved surfaces. The arcs of the first curved surface 261 and the second curved surface 262 are different.
Optionally, as shown in fig. 4, a joint of the first curved surface 261 and the second curved surface 262 is provided with a rounded corner. In the case where the tangent to the end of the first curved surface 261 does not intersect the second curved surface 262, when the air flows to the end of the first curved surface 261, the air has two flowing directions: first, the air outlet 112 is vertically faced, and second, the air flows to the second curved surface 262 along the circular angle. Thus, the air that has passed through the rounded corners and led the first curved surface 261 can be guided to flow toward the second curved surface 262.
Optionally, the first curved surface 261 is a concave surface, and the second curved surface 262 is a convex surface. The first curved surface 261 shown in fig. 4 is an inward concave surface, and the second curved surface 262 protrudes in a direction opposite to the convex direction of the first curved surface 261 (not shown). The fan assembly blows air towards the air duct side wall 260, and because the second curved surface 262 is an outer convex surface, compared with an inner concave type windward surface, the outer convex type windward surface breaks the wall attachment effect of the air more easily, the phenomenon that the air advances along the air duct is weakened, the air redirection effect of the air blown to the outer convex type air duct is accelerated, and the uniformity of the air outlet 112 is improved. Meanwhile, the rear end of the concave first curved surface 261 is connected with the convex second curved surface 262, and the wall attachment effect of the wind at the rear end of the first curved surface 261 is broken, so that the wind blows towards the heat exchange assembly, and the wind outlet uniformity of the air outlet 112 is improved. In addition, in this embodiment, the air outlet efficiency and the air outlet uniformity can be effectively improved when the first curved surface 261 is the fastest curved surface.
In some embodiments, as shown in fig. 2 and 3, the front side plate 110 of the casing 100 is provided with an air outlet 112 and two air inlets 111, and the two air inlets 111 are respectively located at two sides of the air outlet 112. The air inlets 221 of the two centrifugal fans 200 are respectively disposed at the two air inlets 111, and the air outlets 222 of the two centrifugal fans 200 are disposed oppositely. The two air duct sidewalls 260 are symmetrically disposed between the two centrifugal fans 200, and the air outlet 222 of each centrifugal fan 200 faces one air duct sidewall 260, and is used for guiding the air outlet of the two centrifugal fans 200 to flow to the air outlet 112, as shown in fig. 5. The two adjacent curved surfaces of the air duct sidewall 260 are respectively referred to as a first curved surface 261 and a second curved surface 262, wherein the first curved surface 261 is close to the fan assembly, and the second curved surface 262 is close to the air outlet 112. The ends of the second curved surfaces 262 of the two duct sidewalls 260 are connected.
In the above embodiment, the air outlets 222 of the two centrifugal fans 200 are arranged oppositely, and the two air duct sidewalls 260 are symmetrically arranged between the two centrifugal fans 200. It can be seen that it is difficult to use a conventional ducted air duct where the air outlet 112 is long. The reason is that the conventional duct-type air duct needs to be connected to the air outlet 222 of the centrifugal fan 200 and the air outlet 112 of the casing 100 through two ends of the air duct, and the size of the port of the air duct is limited, which makes it difficult to adapt to the longer air outlet 112. The invention only needs to arrange two symmetrical air duct side walls 260 shown in fig. 5, and compared with the traditional pipeline type air duct, the invention has the advantage of reducing the manufacturing cost.
In the above embodiment, the ends of the second curved surfaces 262 of the two air duct sidewalls 260 are connected. The air discharged from the air outlet 222 of each centrifugal fan 200 uniformly flows to the air outlet 112 along the two adjacent curved surfaces of the corresponding air duct sidewall 260, and the air discharged from the air outlets 222 of the two centrifugal fans 200 flows to the end of the second curved surface 262 along the tangent line of the end of the corresponding curved surface. Because the two air duct sidewalls 260 are symmetrical and the ends of the two second curved surfaces 262 are connected, after the two portions of air act each other when meeting, the two portions of air originally circulating along the tangent line at the end of the corresponding second curved surface 262 circulate toward the air outlet 112 vertically, so that the air outlet at the joint of the two second curved surfaces 262 is more uniform, as shown in fig. 5.
In some embodiments, at least one of the first curved surface 261 and the second curved surface 262 is configured as a curved surface that fits the steepest curve. The line segment between the two points is shortest, but the path with the fastest speed between the two points is a curve. For example, on an inclined plane, two tracks are arranged, one is a straight line and the other is a curve, and the heights of the starting point and the ending point are the same. Two small balls with the same mass and size slide down from the starting point at the same time, and the small ball of the curve arrives at the end point first instead. And the fastest curve among the many curves may be the one that will end up with the fastest ball. The steepest curve is a cycloid, which means a trajectory formed by a fixed point on a circle when the circle moves along a straight line. And the objects with different initial coordinates slide downwards on the same steepest curve, and can reach the terminal point at the same time. The surface to which the steepest curve fits is referred to herein as the steepest surface.
Optionally, the first curved surface 261 is an arc curved surface, and the second curved surface 262 is a steepest curved surface. When the air outlet of the fan assembly circulates to the air outlet 112 along the second curved surface 262, the air can be blown to the air outlet 112 quickly because the second curved surface 262 adopts the fastest curved surface, and the air outlet rate of the indoor unit is improved. Moreover, the air blown by the fan assembly to different positions on the second curved surface 262 at the same time or the air blown to different positions on the second curved surface 262 along the first curved surface 261 at the same time can be simultaneously circulated to the end of the second curved surface 262, so that the air outlet of the second curved surface 262 of the air duct sidewall 260 is more uniform.
Optionally, the first curved surface 261 and the second curved surface 262 are both steepest curved surfaces. Therefore, the air outlet speed of the indoor unit can be further improved, and the air outlet is more uniform.
In some embodiments, the heat exchange assembly includes a heat exchanger 400, and the heat exchanger 400 covers the air outlet 112 or the air inlet 111. If the heat exchanger 400 is disposed at the air inlet 111, the air enters the casing 100 from the air inlet 111 and exchanges heat with the heat exchange assembly; if the heat exchanger 400 is disposed at the air outlet 112, the air exchanges heat with the heat exchange assembly when being blown into the room from the air outlet 112.
Alternatively, the heat exchanger 400 is configured in a U shape, and an opening of the U shape faces the air outlet 112 or the air inlet 111. Thus, the U-shaped heat exchanger 400 can increase the heat exchange area and improve the cooling or heating efficiency of the indoor unit.
Alternatively, the heat exchanger 400 is configured in a plate shape, and the plate surface thereof is parallel to the plane of the air outlet 112 or the air inlet 111. Thus, the heat exchanger 400 having a plate shape parallel to the plane of the outlet 112 or the inlet 111 can save the installation space in the cabinet 100.
Alternatively, the heat exchanger 400 is configured in a plate shape, and the plate surface thereof is inclined to the plane of the air outlet 112 or the air inlet 111. Compared with the plate-shaped heat exchanger 400 parallel to the plane of the air outlet 112 or the air inlet 111, the plate-shaped heat exchanger 400 inclined to the plane of the air outlet 112 or the air inlet 111 can increase the heat exchange area and improve the cooling or heating efficiency of the indoor unit.
Optionally, a heat exchange assembly is disposed at the air inlet 111, and a purification assembly is disposed at the air outlet 112. The heat exchange component is used for exchanging heat with the air in the way, and the purification component is used for purifying the air in the way. When air enters the casing 100 from the air inlet 111, the air exchanges heat with the heat exchange assembly, and when the air in the casing 100 enters the indoor space from the air outlet 112, the air is purified by the purification assembly, so that the quality of the air outlet of the indoor unit is improved.
Optionally, a heat exchange assembly is disposed at the air outlet 112, and a purification assembly is disposed at the air inlet 111. The heat exchange component is used for exchanging heat with the air in the way, and the purification component is used for purifying the air in the way. Indoor air is purified by the purification component when entering the casing 100 from the air inlet 111, and the air in the casing 100 exchanges heat with the heat exchange component when entering the indoor from the air outlet 112, so that the quality of the air outlet of the indoor unit is improved.
Optionally, the cleaning assembly includes an air filter covering the air outlet 112 or the air inlet 111. Types of air filters include, but are not limited to, HEPA filters, glass fiber filters, electrostatic filters, activated carbon fiber filters.
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 indoor unit, comprising:
the air conditioner comprises a shell (100), wherein an air outlet (112) and two air inlets (111) are arranged on the same side plate of the shell (100), and the two air inlets (111) are respectively positioned at two sides of the air outlet (112);
the heat exchange assembly is arranged in the shell (100) and is positioned at the air outlet (112) or the air inlet (111);
the fan assembly is arranged in the shell (100) and comprises two centrifugal fans (200); the air suction ports (221) of the two centrifugal fans (200) are respectively arranged at the two air inlets (111), and the air outlet ports (222) of the two centrifugal fans (200) are oppositely arranged;
and the air duct assembly is arranged in the shell (100) and used for guiding the air outlet of the two air outlets (222) to the air outlet (112).
2. Indoor unit according to claim 1, characterized in that the centrifugal fan (200) comprises:
an impeller (210) having an axis perpendicular to a bottom plate (120) of the casing (100).
3. Indoor unit according to claim 1, characterized in that the centrifugal fan (200) comprises:
an impeller (210) having an axis parallel to a bottom plate (120) of the casing (100).
4. The indoor unit according to claim 3,
the axes of the impellers (210) of the two centrifugal fans (200) are parallel to each other.
5. Indoor unit according to any of claims 1 to 4, characterized in that the centrifugal fan (200) further comprises:
a volute (220) defining a volute air path, the impeller (210) being located within the volute air path; the first end of the volute air duct is an air suction opening (221) of the centrifugal fan (200), and the second end of the volute air duct is an air exhaust opening (222) of the centrifugal fan (200);
the fan assembly further includes:
a partition plate (300) provided with a mounting opening (310); the volute (220) is positioned on one side of the partition plate (300), the second end of the volute air duct is installed on the partition plate (300), and the air outlet (222) corresponds to the installation opening (310).
6. The indoor unit according to claim 5,
the end of the second end of the volute air duct extends out of the mounting opening (310).
7. The indoor unit of claim 5, wherein the periphery of the mounting opening (310) of the partition (300) is provided with a bayonet (311);
the periphery of the second end of the volute air duct is provided with a clamping hook (224), and the clamping hook (224) corresponds to the clamping opening (311) so that the volute (220) is clamped on the partition plate (300).
8. The indoor unit according to any one of claims 1 to 4, wherein the heat exchange assembly comprises:
a heat exchanger (400) covering the air outlet (112) or the air inlet (111).
9. The indoor unit of any one of claims 1 to 4, wherein the duct assembly comprises:
the two air duct side walls (260) are positioned between the two centrifugal fans (200) and are respectively opposite to the air outlets (222) of the two centrifugal fans (200); the air outlet of the air outlet (222) is blown to the air outlet (112) along the air duct side wall (260).
10. An air conditioner characterized by comprising the indoor unit according to any one of claims 1 to 9.
CN202210270786.3A 2022-03-18 2022-03-18 Indoor unit and air conditioner Pending CN114811731A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210270786.3A CN114811731A (en) 2022-03-18 2022-03-18 Indoor unit and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210270786.3A CN114811731A (en) 2022-03-18 2022-03-18 Indoor unit and air conditioner

Publications (1)

Publication Number Publication Date
CN114811731A true CN114811731A (en) 2022-07-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
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CN (1) CN114811731A (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62141126U (en) * 1986-02-28 1987-09-05
JPH05106868A (en) * 1991-10-18 1993-04-27 Mitsubishi Electric Corp Air conditioner
JPH0642768A (en) * 1992-04-07 1994-02-18 Daikin Ind Ltd Air conditioner
JPH10196989A (en) * 1997-01-13 1998-07-31 Mitsubishi Electric Corp Air conditioner
CN202792238U (en) * 2012-07-05 2013-03-13 大金工业株式会社 Air-conditioner
CN106382681A (en) * 2016-11-04 2017-02-08 珠海格力电器股份有限公司 Air-conditioner indoor unit
CN106403040A (en) * 2016-11-03 2017-02-15 珠海格力电器股份有限公司 Air conditioner air outlet structure and air conditioner
CN107514674A (en) * 2016-06-15 2017-12-26 珠海格力电器股份有限公司 Indoor set and air conditioner
CN208475585U (en) * 2018-03-09 2019-02-05 武城县冠智信息产业技术有限公司 A kind of steepest curved tubular visualization wind outlet unit
CN209639137U (en) * 2019-02-01 2019-11-15 青岛海尔空调电子有限公司 Air-cooled ducted air conditioner
CN210688457U (en) * 2019-10-31 2020-06-05 广东美的制冷设备有限公司 Air duct machine and air conditioner with same
CN212057676U (en) * 2019-12-31 2020-12-01 浙江美尔凯特智能厨卫股份有限公司 Air duct capable of uniformly discharging air

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62141126U (en) * 1986-02-28 1987-09-05
JPH05106868A (en) * 1991-10-18 1993-04-27 Mitsubishi Electric Corp Air conditioner
JPH0642768A (en) * 1992-04-07 1994-02-18 Daikin Ind Ltd Air conditioner
JPH10196989A (en) * 1997-01-13 1998-07-31 Mitsubishi Electric Corp Air conditioner
CN202792238U (en) * 2012-07-05 2013-03-13 大金工业株式会社 Air-conditioner
CN107514674A (en) * 2016-06-15 2017-12-26 珠海格力电器股份有限公司 Indoor set and air conditioner
CN106403040A (en) * 2016-11-03 2017-02-15 珠海格力电器股份有限公司 Air conditioner air outlet structure and air conditioner
CN106382681A (en) * 2016-11-04 2017-02-08 珠海格力电器股份有限公司 Air-conditioner indoor unit
CN208475585U (en) * 2018-03-09 2019-02-05 武城县冠智信息产业技术有限公司 A kind of steepest curved tubular visualization wind outlet unit
CN209639137U (en) * 2019-02-01 2019-11-15 青岛海尔空调电子有限公司 Air-cooled ducted air conditioner
CN210688457U (en) * 2019-10-31 2020-06-05 广东美的制冷设备有限公司 Air duct machine and air conditioner with same
CN212057676U (en) * 2019-12-31 2020-12-01 浙江美尔凯特智能厨卫股份有限公司 Air duct capable of uniformly discharging air

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