CN110486813A - Cabinet type air conditioner indoor set - Google Patents
Cabinet type air conditioner indoor set Download PDFInfo
- Publication number
- CN110486813A CN110486813A CN201910778604.1A CN201910778604A CN110486813A CN 110486813 A CN110486813 A CN 110486813A CN 201910778604 A CN201910778604 A CN 201910778604A CN 110486813 A CN110486813 A CN 110486813A
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- Prior art keywords
- air
- evaporator
- conditioner indoor
- cabinet type
- coil pipe
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Classifications
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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
- 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
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
-
- 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
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
-
- 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
- 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
- F24F1/0076—Indoor units, e.g. fan coil units with means for purifying supplied air by electric means, e.g. ionisers or electrostatic separators
-
- 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
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The invention belongs to air-conditioning technique fields, it is intended to which the heat transfer effect for solving the evaporator of existing cabinet type air conditioner indoor set is bad, so as to cause the undesirable problem of the cooling or heating effect of air-conditioning.Thus, the present invention provides a kind of cabinet type air conditioner indoor sets, cabinet type air conditioner indoor set includes body, it is provided with air inlet and the first air outlet on body, humidifier is provided at the first air outlet, breeze fan, evaporator and drip tray are provided in body, drip tray is set to the lower section of evaporator, evaporator includes coil pipe, and coil pipe includes the multiple sector structures radiated around from center, and multiple sector structures are circumferentially distributed in same plane.Setting in this way, enable center around radius flow of the refrigerant along coil pipe by evaporator, it can adequately be contacted with evaporator with flowing through the air-flow of evaporator, so as to improve the heat transfer effect of evaporator, and then can be improved the cooling or heating effect of air-conditioning.
Description
Technical field
The invention belongs to air-conditioning technique fields, specifically provide a kind of cabinet type air conditioner indoor set.
Background technique
As air-conditioning wide range of services is in huge numbers of families, requirement of the user to air-conditioning service performance is also higher and higher.With cabinet type
For air conditioner, usually under equal conditions, the performance of cabinet air conditioner depends on heat transfer effect, and heat transfer effect and heat-transfer surface
Product has direct relation, and heat exchange area is bigger, and usual heat transfer effect is also higher.
The structure and set-up mode of usual evaporator directly decide the size of heat exchange area and the height of heat transfer effect.It is existing
Have in cabinet air conditioner, evaporator is usually tilting in air conditioner housing or to be sticked in air inlet, but such set-up mode
So that contact of the air-flow with evaporator and uneven, unsatisfactory so as to cause heat transfer effect, and then influence the refrigerated medium of air-conditioning
Thermal effect.
Therefore, this field needs a kind of cabinet type air conditioner indoor set to solve the above problems.
Summary of the invention
In order to solve the above problem in the prior art, changed in order to solve the evaporator of existing cabinet type air conditioner indoor set
Thermal effect is bad, and so as to cause the undesirable problem of the cooling or heating effect of air-conditioning, the present invention provides a kind of cabinet air-conditioner rooms
Interior machine, the cabinet type air conditioner indoor set include body, and air inlet and the first air outlet are provided on the body, and described first goes out
It is provided with humidifier at air port, breeze fan, evaporator and drip tray are provided in the body, the drip tray is set to
The lower section of the evaporator, the evaporator include coil pipe, and the coil pipe includes the multiple fan-shaped knots radiated around from center
Structure, the multiple sector structure are circumferentially distributed in same plane.
In the optimal technical scheme of above-mentioned cabinet type air conditioner indoor set, the coil pipe includes multiple branch pipes, the multiple branch
The inlet and outlet of pipe is connected in parallel respectively, and the sector structure in each branch pipe is one another in series in inner end, in each branch pipe
The outboard end of sector structure is formed as arc-shaped or polygonized structure.
In the optimal technical scheme of above-mentioned cabinet type air conditioner indoor set, the evaporator includes described in multilayer along the vertical direction
The inlet and outlet of coil pipe, coil pipe described in multilayer is connected in parallel respectively, in adjacent two layers coil pipe the Upstream section of one layer of coil pipe and under
It is corresponding in the vertical direction with the tract of another layer of coil pipe and Upstream section respectively to swim section.
In the optimal technical scheme of above-mentioned cabinet type air conditioner indoor set, the drip tray includes circular discs and annular disk, institute
It states circular discs to be arranged above and below along the vertical direction with the annular disk, and is connected to by drainage tube therebetween.
In the optimal technical scheme of above-mentioned cabinet type air conditioner indoor set, the body includes cylindrical shell and is set to described
Annular air outlet structure at the top of cylindrical shell, the breeze fan, the evaporator and the drip tray are all set in the column
In shape shell, first air outlet is formed in the annular air outlet structure.
In the optimal technical scheme of above-mentioned cabinet type air conditioner indoor set, the annular air outlet structure includes inner ring surface and outer ring
Face, the outer ring surface is sheathed on the outside of the inner ring surface and encloses to set to form air-out chamber with the inner ring surface, before the outer ring surface
End and the front end of the inner ring surface are formed with first air outlet, the rear end of the rear end of the outer ring surface and the inner ring surface it
Between close connection, the bottom end of the outer ring surface is additionally provided with ventilation hole, and the air-out chamber passes through the ventilation hole and the column
Shell connection.
In the optimal technical scheme of above-mentioned cabinet type air conditioner indoor set, the second air outlet is additionally provided on the outer ring surface,
First air outlet is configured with first flap mechanism, and second air outlet is configured with second flap mechanism, the first gear
Piece mechanism is arranged to close or open first air outlet when movement, and the second flap mechanism is arranged to energy when movement
Enough close or open second air outlet.
In the optimal technical scheme of above-mentioned cabinet type air conditioner indoor set, the humidifier includes water tank and is set to described
Atomizer in water tank, the water tank are fixedly connected on the bottom of the inner ring surface.
In the optimal technical scheme of above-mentioned cabinet type air conditioner indoor set, the cabinet type air conditioner indoor set further includes pedestal, institute
It states body and pedestal rotation connects.
In the optimal technical scheme of above-mentioned cabinet type air conditioner indoor set, gap is formed between the body and the pedestal,
The air inlet is set to the bottom of the body.
It will be appreciated to those of skill in the art that in the preferred technical solution of the present invention, cabinet type air conditioner indoor set
It is provided with air inlet and the first air outlet on body, humidifier is provided at the first air outlet, air-supply wind is provided in body
Machine, evaporator and drip tray, drip tray are set to the lower section of evaporator, and evaporator includes coil pipe, and coil pipe includes from center to four
Multiple sector structures of week radiation, multiple sector structures are circumferentially distributed in same plane.By the way that the coil pipe of evaporator is set
Multiple sector structures radiated around from center are set to, multiple sector structures are circumferentially distributed in same plane, so that cold
Matchmaker can along coil pipe by the center radius flow around of evaporator, with flow through evaporator air-flow can with evaporator into
Row adequately contact, the problem of the good one end difference in heat transfer effect one end when avoiding the S-type arrangement of existing evaporator, so that steaming
The heat transfer effect for sending out device is more preferable, so that air conditioner refrigerating heating effect is also more preferable.Also, it is provided with and adds at the first air outlet
The vapor of wet device, humidifier discharge can be acted on by the air-supply of the first air outlet, uniformly mixed and sent with air-flow
To indoor each corner, to improve indoor comfort.
Further, the coil pipe of evaporator includes multiple branch pipes, and the inlet and outlet of multiple branch pipes is connected in parallel respectively.I.e.
Coil pipe includes multiple branches, and refrigerant can independently flow in each branch pipe, and setting in this way can further increase
The heat transfer effect of evaporator, so as to further increase the cooling or heating effect of air-conditioning.
Further, evaporator includes multilayer coil pipe along the vertical direction, and the inlet and outlet of multilayer coil pipe is in parallel respectively to be connected
It connects, the Upstream section of one layer of coil pipe and tract are respectively with the tract of another layer of coil pipe and Upstream section perpendicular in adjacent two layers coil pipe
Histogram is corresponding upwards.It can be improved the heat exchange area of evaporator by the way that multilayer coil pipe is arranged, so as to improve evaporator
Heat transfer effect, also, the inlet and outlet of multilayer coil pipe is connected in parallel respectively, i.e. and every layer of coil pipe is all a branch, and refrigerant exists
Independently flowed in every layer of coil pipe, setting in this way can further increase the heat transfer effect of evaporator, so as into
The cooling or heating effect of one step raising air-conditioning.In addition, Upstream section and tract by making one layer of coil pipe in adjacent two layers coil pipe
It is corresponding in the vertical direction with the tract of another layer of coil pipe and Upstream section respectively, so that in the adjacent two layers coil pipe of evaporator
Refrigerant can balance heat exchange amount so that when air-flow flows through evaporator, exchange heat more uniform, comfort more preferably, it is specific and
Speech, as refrigerant flows in coil pipe, the energy of refrigerant can be gradually decreased, the refrigerant by taking refrigeration as an example, in the Upstream section of coil pipe
Temperature is relatively low, i.e., refrigerant energy is high, as refrigerant flows in coil pipe, carries out energy exchange with the air-flow for flowing through evaporator,
The energy of refrigerant can gradually decrease, so the refrigerant temperature in the tract of coil pipe is relatively high, by the upstream for making upper layer coil pipe
Section and the tract of lower layer's coil pipe are corresponding in the vertical direction, and the tract of upper layer coil pipe and the Upstream section of lower layer's coil pipe are perpendicular
Histogram is corresponding upwards, so that the refrigerant in adjacent two layers coil pipe is able to carry out energy complement, so that air-flow flows through evaporation
When device, exchange heat more uniform, comfort is more preferably.
Further, the split-type design that drip tray is arranged above and below using circular discs and annular disk, dexterously solves steaming
The problem of lower section can not arrange drip tray when hair device is horizontally disposed realizes the collection of condensed water under the premise of not influencing air inlet.
Further, by the way that annular air outlet structure is arranged at the top of cylindrical shell, it is arranged first in annular air outlet structure
Air outlet and the second air outlet, and the first air outlet and the second air outlet are respectively configured with baffle mechanism, so that cabinet air-conditioner room
Interior machine possesses completely new air outlet structure and two kinds of outlet air forms (jet mode and dispersal pattern), and air output is bigger, air-supply
Region is wide, far firing range, and the closing that user based on flexible choice air-out mode is needed, can overturn traditional cabinet-type air conditioner product iteration is thought
Think, the development of air-conditioning is pushed to change.
Further, by connecting body and pedestal rotation, so that cabinet type air conditioner indoor set during installation can be free
Optimal setting angle is conveniently found in rotation, is reduced installation difficulty, is improved the applicability of cabinet type air conditioner indoor set.
Further, by forming gap between body and pedestal, and air inlet is arranged in the bottom of body, so that
The area of air inlet is bigger, and intake is bigger, is conducive to improve heat transfer effect and heat exchange efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of cabinet type air conditioner indoor set in the first embodiment of the invention；
Fig. 2A is the structural schematic diagram of evaporator of the invention；
Fig. 2 B is the structural schematic diagram of the first layer coil pipe of evaporator of the invention；
Fig. 2 C is the structural schematic diagram of the second layer coil pipe of evaporator of the invention；
Fig. 3 A is the cross-sectional view of the first air-out mode of annular air outlet structure of the invention；
Fig. 3 B is the cross-sectional view of second of air-out mode of annular air outlet structure of the invention；
Fig. 4 A is the structure chart of the first embodiment of drip tray of the invention；
Fig. 4 B is the structure chart of second of embodiment of drip tray of the invention；
Fig. 4 C is the top view of the circular discs of drip tray of the invention；
Fig. 4 D is the top view of the annular disk of drip tray of the invention；
Fig. 5 A is the front sectional view of bactericidal purifying module of the invention；
Fig. 5 B is the top view of bactericidal purifying module of the invention；
Fig. 6 is the structural schematic diagram of cabinet type air conditioner indoor set in second of embodiment of the invention；
Fig. 7 is the structural schematic diagram of fresh air module of the invention；
Fig. 8 A is that the work of the first fresh air mode of cabinet type air conditioner indoor set in second of embodiment of the invention is former
Reason figure；
Fig. 8 B is that the work of second of fresh air mode of cabinet type air conditioner indoor set in second of embodiment of the invention is former
Reason figure；
Fig. 8 C is that the work of the third fresh air mode of cabinet type air conditioner indoor set in second of embodiment of the invention is former
Reason figure.
Specific embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.Under it will be apparent to a skilled person that
The embodiment of face description is used only for explaining technical principle of the invention, it is not intended that limits the scope of the invention.
It should be noted that in the description of the present invention, term " on ", "lower", "left", "right", "front", "rear", "top",
The term of the instruction direction such as "bottom", "inner", "outside", "vertical" or positional relationship is that direction or position based on the figure are closed
System, this is intended merely to facilitate description, rather than indication or suggestion described device or element must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", "
Three ", " the 4th " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In addition it is also necessary to explanation, in the description of the present invention unless specifically defined or limited otherwise, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.To those skilled in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in invention.
The heat transfer effect of the evaporator for the existing cabinet type air conditioner indoor set pointed out based on background technique is bad, so as to cause sky
The undesirable problem of the cooling or heating effect of tune.The present invention provides a kind of cabinet type air conditioner indoor sets, it is intended to flow through evaporator
Air-flow be able to carry out with evaporator and adequately contact, to improve the heat transfer effect of evaporator, so as to the refrigeration of exhaust tune
Heating effect.
Embodiment 1
Referring to Fig. 1 to Fig. 6, the first embodiment of cabinet type air conditioner indoor set of the invention is set forth.
With reference first to Fig. 1, Fig. 1 is the structural schematic diagram of cabinet type air conditioner indoor set in the first embodiment of the invention.
As shown in Figure 1, the cabinet type air conditioner indoor set includes body 1, machine the present invention provides a kind of cabinet type air conditioner indoor set
It is provided with air inlet 111 and the first air outlet 123 on body 1, humidifier 2, edge in body 1 are provided at the first air outlet 123
Air-flow direction is disposed with bactericidal purifying module 7, drip tray 5, evaporator 4 and breeze fan 3, and the setting of drip tray 5 exists
The lower section of evaporator 4, bactericidal purifying module 7 be arranged at air inlet 111, evaporator 4 include coil pipe, coil pipe include from center to
Multiple sector structures of surrounding radiation, multiple sector structures are circumferentially distributed in same plane (B or Fig. 2 C referring to fig. 2).
When cabinet type air conditioner indoor set operation, under the action of breeze fan 3, air-flow enters body 1 from air inlet 111
It is interior, it flows through evaporator 4 and exchanges heat with evaporator 4, be then discharged from the first air outlet 123, due to the coil pipe packet of evaporator 4
The multiple sector structures radiated around from center are included, multiple sector structures are circumferentially distributed in same plane, so that refrigerant
Can be along coil pipe by the center radius flow around of evaporator 4, it can be with evaporator 4 to flow through the air-flow of evaporator 4
It is adequately contacted, the problem of the good one end difference in heat transfer effect one end when avoiding the S-type arrangement of existing evaporator, so that
The heat transfer effect of evaporator 4, so that the cooling or heating effect of air-conditioning is also more preferable.
Preferably, coil pipe includes multiple branch pipes, and the inlet and outlet of multiple branch pipes is connected in parallel respectively, in each branch pipe
Sector structure is one another in series in inner end, and the outboard end of the sector structure in each branch pipe is formed as arc-shaped or polygon knot
Structure.The outboard end of i.e. each sector structure can be formed as arc-shaped structure (being exactly arc-shaped structure shown in Fig. 2 B),
Can be formed as polygonized structure (shown in Fig. 2 C be exactly polygonized structure), this outboard end to sector structure it is specific
The adjustment and change of shape should all limit within protection scope of the present invention without departing from the principle and scope of the present invention.Its
In, coil pipe may include two branch pipes, three branch pipes or four branch pipes etc., this specific amount of adjustment to branch pipe and
Change without departing from the principle and scope of the present invention, should all limit within protection scope of the present invention.
Preferably, evaporator 4 of the invention includes multilayer coil pipe along the vertical direction, and the inlet and outlet of multilayer coil pipe is distinguished
Be connected in parallel, in adjacent two layers coil pipe the Upstream section of one layer of coil pipe and tract respectively with the tract of another layer of coil pipe and upstream
Section is corresponding in the vertical direction.It can be improved the heat exchange area of evaporator 4 by the way that multilayer coil pipe is arranged, steamed so as to improve
Send out the heat transfer effect of device 4, also, the inlet and outlet of multilayer coil pipe is connected in parallel respectively so that refrigerant in every layer of coil pipe all
It can independently flow, setting in this way can further increase the heat transfer effect of evaporator 4.In addition, as refrigerant exists
Flowing, the energy of refrigerant can gradually decrease in coil pipe, and by taking refrigeration as an example, the refrigerant temperature in the Upstream section of coil pipe is relatively low, i.e.,
Refrigerant energy is high, as refrigerant flows in coil pipe, carries out energy exchange, the energy meeting of refrigerant with the air-flow for flowing through evaporator 4
It gradually decreases, so the refrigerant temperature in the tract of coil pipe is relatively high, by the Upstream section and lower layer's coil pipe that make upper layer coil pipe
Tract it is corresponding in the vertical direction, the tract of upper layer coil pipe is opposite in the vertical direction with the Upstream section of lower layer's coil pipe
It answers, the refrigerant in the adjacent two layers coil pipe of evaporator 4 is enabled to balance heat exchange amount, so that when air-flow flows through evaporator 4,
It exchanges heat more uniform, comfort is more preferably.Wherein, evaporator 4 may include two layers of coil pipe, three-layer disc pipe or four along the vertical direction
Layer coil pipe etc., it is this neatly to adjust and change without departing from the principle and scope of the present invention, guarantor of the invention should all be limited to
Within the scope of shield.Come so that evaporator 4 includes two layers of coil pipe along the vertical direction and every layer of coil pipe includes two branch pipes as an example below into
Row specifically illustrates.
As shown in Fig. 2A, Fig. 2 B and Fig. 2 C, wherein Fig. 2A is the structural schematic diagram of evaporator of the invention, and Fig. 2 B is this
The structural schematic diagram of the first layer coil pipe of the evaporator of invention, Fig. 2 C are that the structure of the second layer coil pipe of evaporator of the invention is shown
It is intended to.Arrow in figure indicates the flow direction of refrigerant, and evaporator 4 includes first layer coil pipe 41 and second layer disk along the vertical direction
Pipe 42, first layer coil pipe 41 are located at the lower section of second layer coil pipe 42, and first layer coil pipe 41 includes the first branch pipe 411 and the second branch pipe
412, the import 4111 of the first branch pipe 411 and the import 4121 of the second branch pipe 412 are connected in parallel, the outlet of the first branch pipe 411
4112 and second the outlet 4122 of branch pipe 412 be connected in parallel, second layer coil pipe 42 includes third branch pipe 421 and the 4th branch pipe 422,
The import 4211 of third branch pipe 421 and the import 4221 of the 4th branch pipe 422 are connected in parallel, 4212 He of outlet of third branch pipe 421
The outlet 4222 of 4th branch pipe 422 is connected in parallel, and the sector structure in the first branch pipe 411 is one another in series in inner end, and second
Sector structure in pipe 412 is one another in series in inner end, and the sector structure in third branch pipe 421 is one another in series in inner end, the
Sector structure in four branch pipes 422 is one another in series in inner end, and refrigerant is divided into four tunnels after entering evaporator 4, respectively enters
One branch pipe 411, the second branch pipe 412, third branch pipe 421 and the 4th branch pipe 422, refrigerant and the second branch pipe in the first branch pipe 411
The equal counterclockwise flow of refrigerant in 412, the equal clockwise flow of refrigerant in refrigerant and the 4th branch pipe 422 in third branch pipe 421,
It can be seen from the figure that the Upstream section and the tract of third branch pipe 421 of the first branch pipe 411 are corresponding in the vertical direction, the
The tract and the Upstream section of third branch pipe 421 of one branch pipe 411 are corresponding in the vertical direction, the Upstream section of the second branch pipe 412
Corresponding in the vertical direction with the tract of the 4th branch pipe 422, the tract of the second branch pipe 412 is upper with the 4th branch pipe 422
Section is swum in the vertical direction to correspondence, and energy is carried out by the refrigerant in the refrigerant and second layer coil pipe 42 in first layer coil pipe 41
Complementation, when so that air-flow flowing through evaporator, exchange heat it is more uniform, i.e., so that the air-flow in left front region, the air-flow in right forefoot area,
For the air-flow in air-flow and right rear region in left back region when flowing through evaporator, the energy of absorption is roughly the same, correspondingly, this
The temperature of air-flow in four regions is more nearly, and comfort is more preferably.
With continued reference to Fig. 1, in a kind of possible embodiment, cabinet type air conditioner indoor set includes body 1 and pedestal 6, machine
Body 1 and the rotation of pedestal 6 connect.Wherein, the connection that body 1 and pedestal 6 can be freely rotated by plain bearing, alternatively, can be with
By damping due to rotation bearing etc. with damping rotary connector connection, etc., it is this neatly adjust and change without departing from
The principle and scope of the present invention should all limit within protection scope of the present invention.After connecting, shape between body 1 and pedestal 6
At gap, the bottom of body 1 is arranged in air inlet 111, and pedestal 6 is additionally provided with guiding surface close to the side of body 1.Machine
Body 1 includes cylindrical shell 11 and the annular air outlet structure 12 for being set to 11 top of cylindrical shell, drip tray 5, evaporator 4 and air-supply
Blower 3 is successively set on from bottom to up in cylindrical shell 11, and the first air outlet 123 is formed in annular air outlet structure 12.Wherein,
For breeze fan 3 preferably using digital turbo-dynamo 3 (or digital motor or digital motor), which is that one kind has revolving speed
Motor that is high, can produce the features such as strong suction, maximum speed is common blower motor revolving speed close to 110,000 turns per minute
4 to 5 times.
By connecting body 1 and the rotation of pedestal 6, so that cabinet type air conditioner indoor set of the invention during installation can be free
Optimal setting angle is conveniently found in rotation, is reduced installation difficulty, is improved the applicability of cabinet type air conditioner indoor set.By in machine
Gap is formed between body 1 and pedestal 6, and air inlet 111 is arranged in the bottom of body 1, so that the area of air inlet 111 is more
Greatly, intake is bigger, is conducive to a wide range of circulation of room air and the raising of heat transfer effect and heat exchange efficiency.Pedestal 6 is set
It is equipped with guiding surface, air inlet can be initially oriented to, improve the ride comfort of air inlet.Make by using digital turbo-dynamo 3
For breeze fan 3, so that the wind-force of air-conditioning is powerful, air output is big, meets the needs of user's fast-refrigerating heating.
Referring to Fig. 1, Fig. 3 A and Fig. 3 B, a kind of specific embodiment of annular air outlet structure is described.Wherein,
Fig. 3 A is the cross-sectional view of the first air-out mode of annular air outlet structure of the invention；Fig. 3 B is annular air outlet structure of the invention
Second of air-out mode cross-sectional view.
As shown in Fig. 1, Fig. 3 A and Fig. 3 B, annular air outlet structure 12 includes inner ring surface 121 and outer ring surface 122, outer ring surface 122
It is set in the outside of inner ring surface 121 and encloses to set to form air-out chamber with inner ring surface 121, the front end of outer ring surface 122 is (i.e. in Fig. 3 A
Right end) with the front end (right end being similarly in Fig. 3 A) of inner ring surface 121 it is formed with the first air outlet 123, the side of outer ring surface 122
The second air outlet 124 is offered, the rear end of outer ring surface 122 is connect with the back-end closure of inner ring surface 121.At first air outlet 123
Configured with the first washer mechanism 125, the first air outlet 123 selectively can be opened or be closed by the first washer mechanism 125, class
As, second flap mechanism 126 is configured at the second air outlet 124, second flap mechanism 126 can selectively go out second
Air port 124 is opened or closing.The bottom end of outer ring surface 122 is additionally provided with ventilation hole (not shown), and annular air outlet structure 12 is solid
Surely after being connected to cylindrical shell 11, air-out chamber is connected to cylindrical shell 11 by ventilation hole.Humidifier 2 includes water tank 21 and sets
The atomizer 22 being placed in water tank 21, such as ultrasonic ultrasonic delay line memory or air compression type atomizer, including water tank 21 is fixedly connected
Liquid mist in water tank 21 can be turned to water mist by the bottom of anchor ring 121, atomizer 22.
Although it should be noted that it will be appreciated to those of skill in the art that not having in the attached drawing of present embodiment
Body is shown, but the way of realization of the first washer mechanism 125 and second flap mechanism 126 is varied, as long as the set-up mode
It can effectively realize the open and close control of the first air outlet 123 and the second air outlet 124.For example, the first washer mechanism 125
And/or second flap mechanism 126 can realize in the form of linear motor controls annular retaining ring, pass through linear motor drive ring
Shape retaining ring is moved forward and backward in air-out chamber, the open and close control of Lai Shixian the first air outlet 123 and/or the second air outlet 124；Or
Linear motor also could alternatively be the combined form such as rotary electric machine and rack-and-pinion, chain.For another example, the first washer mechanism 125
And/or second flap mechanism 126 can realize the open and close control to the second air outlet 124 by way of electromagnetic adsorption, i.e., will
Retaining ring is made with metal material, and electromagnetic coil is arranged in air-out chamber, is set between retaining ring and inner ring surface 121 or outer ring surface 122
Elastic component is set, electromagnetic coil generates magnetic force and is attracted retaining ring when being powered, and elastic component stores elastic potential energy, goes out to open first
Air port 123 or the second air outlet 124；When electromagnetic coil power-off, retaining ring returns to initial position under the action of the elastic member, by the
One air outlet 123 or the closing of the second air outlet 124.It for another example, can also be by the first washer mechanism 125 and second flap mechanism 126
In an omission, only realized in the first air outlet 123 and the second air outlet 124 by control said one baffle mechanism kinematic
Any one is selectively unlocked.
Preferably, it is additionally provided with air guide structure on inner ring surface 121 and/or outer ring surface 122, which is arranged to
Enough it is gradually reduced the duration of wind that goes out at air outlet.Such as, air guide structure uses two arc panels as shown in Fig. 3 A or 3B, two arcs
The setting of shape plate is so that the exit width of the first air outlet 123 and the second air outlet 124 gradually narrows, thus in air-flow by going out
When at air port, Venturi effect can be generated and accelerate flow velocity, realize the effect of injection.While injection, round wind outlet is attached
Close to generate negative pressure, which can attract the air near round wind outlet to flow together, realize the circulation of room air, effectively
Improve air output.Certainly, air guide structure can also be other any set-up modes, as long as the set-up mode enables to first to go out
The duration of wind that goes out of air port 123 and/or the second air outlet 124 gradually narrows, and details are not described herein.
By the way that annular air outlet structure 12 is arranged at the top of cylindrical shell 11, first outlet air is set in annular air outlet structure 12
Mouth 123 and the second air outlet 124, and the first air outlet 123 and the second air outlet 124 are respectively configured with baffle mechanism, make to have leisure
Indoor unit is adjusted to possess completely new air outlet structure and two kinds of outlet air forms, jet mode and dispersal pattern, user can be based on needing
Want flexible choice air-out mode.Jet mode can be realized injection air-out effect, far firing range, and air output is bigger；Dispersal pattern by
For second air outlet 124 to two Lateral supplies, air-supply region is wide, can be formed indoors and encircle air-flow, reinforce the recycle stream of room air
It is logical.In addition, the setting of annular air outlet structure 12, so that the structure novel of air conditioner indoor unit, has overturned traditional cabinet-type air conditioner product iteration
Closing thought, push the development of air-conditioning to change.By the way that water tank 21 to be fixedly connected on to the bottom of inner ring surface 121, so that atomization
Water mist after the atomization of device 22, which can be mixed directly with the air stream of air outlet discharge, is sent to indoor each corner, guarantees that humidification is imitated
Fruit, to improve indoor comfort.
Referring to Fig. 4 A, Fig. 4 B, Fig. 4 C and Fig. 4 D, a kind of specific embodiment of drip tray of the invention is retouched
It states.Wherein, Fig. 4 A is the structure chart of the first embodiment of drip tray of the invention；Fig. 4 B is the of drip tray of the invention
The structure chart of two kinds of embodiments；Fig. 4 C is the top view of the circular discs of drip tray of the invention；Fig. 4 D is water receiving of the invention
The top view of the annular disk of disk.
As shown in Fig. 4 A, Fig. 4 B, Fig. 4 C and Fig. 4 D, drip tray 5 includes circular discs 51 and annular disk 52, and the two is along vertical side
Therebetween it is connected to upper and lower arrangement and by drainage tube 53.Specifically, in a kind of more preferred embodiment, circular discs
51 modes that can go out as shown in Figure 4 A are set to the top of annular disk 52, and the inner edge of the outer rim of circular discs 51 and annular disk 52
In vertical direction, there are certain registrations.Certainly, annular disk 52 is arranged in the mode that circular discs 51 can also go out as shown in Figure 4 B
Lower section, and there is certain registration in the inner edge of the outer rim of circular discs 51 and annular disk 52 in the vertical direction.
The split-type design that drip tray 5 is arranged above and below using circular discs 51 and annular disk 52, dexterously solves the present invention
The problem of lower section can not arrange drip tray 5 when middle evaporator 4 is horizontally disposed realizes condensed water under the premise of not influencing air inlet
It collects.Certainly, the concrete form of above-mentioned drip tray 5 is not restrictive, without departing from two-piece unit formula design of the invention
On the basis of, any type of improvement should all be fallen under the scope of the present invention.
Referring next to Fig. 5 A and Fig. 5 B, a kind of specific embodiment of bactericidal purifying module of the invention is retouched
It states.Wherein, Fig. 5 A is the front sectional view of bactericidal purifying module of the invention；Fig. 5 B is bowing for bactericidal purifying module of the invention
View.
As fig. 5 a and fig. 5b, bactericidal purifying module 7 is in pie comprising HEPA filter layer 71, cold catalyst filter layer
72, anionic sterilization lamp 73 and ion converter 74, cold catalyst filter layer 72 are located at the top of pie, and HEPA filter layer 71 is located at
The bottom of pie, ion converter 74 are located at the center of pie, anionic sterilization lamp 73 be provided with it is multiple and annular and around
The side of ion converter 74.
Wherein, HEPA filter layer 71 includes three layers (primary filter layer, charged layer, electrostatic precipitator knoisphere), is 0.3 to diameter
Micron particle removal efficiency below can reach 99.97% or more.
Cold catalyst filter layer 72 can play catalysis reaction under normal temperature conditions, make a variety of harmful odor gas at normal temperatures and pressures
Harmless tasteless substance is resolved into, chemisorption is changed by simple physical absorption, is decomposed in absorption, dispels formaldehyde, benzene, two
The pernicious gases such as toluene, toluene, TVOC generate water and carbon dioxide.In catalytic reaction process, cold catalyst itself is not direct
Reaction is participated in, cold catalyst, which does not change, after reaction does not lose, long-term role.Cold catalyst itself is nontoxic, non-corrosive, non-ignitable
It burns, reaction product is water and carbon dioxide, does not generate secondary pollution, substantially prolongs the service life of adsorbent material.
Ion converter 74 can generate a large amount of anions in the state of energization, studies have shown that containing appropriate in air
Anion can not only efficiently dedusting, sterilizing, purification air, while the oxygen molecule in air can also be activated and form oxygen carrying
Anion enlivens air molecule, improves human lung's function, boosts metabolism, and enhances disease resistance, adjusts central nervous system
System, makes one in high spirits, dynamic etc..
Anionic sterilization shot-light annular is centered around the side of ion converter 74, can be to by bactericidal purifying module 7
Air be irradiated sterilization, and since it uses the arrangement mode around ion converter 74, irradiation can be played
Range is wide, sterilizes the effect without dead angle.
It should be noted that although above embodiment is that bactericidal purifying module 7 is combined to include HEPA filter layer 71, cold touching
What matchmaker's filter layer 72, anionic sterilization lamp 73 and ion converter 74 were illustrated, but those skilled in the art can be directed to
Specific application scenarios select one such or a variety of bactericidal purifying modules 7 as after reconfiguring to be mounted on cabinet air-conditioner
In indoor unit, which ought to fall under the scope of the present invention without deviating from the principle of the present invention.
Fig. 1 is finally referred again to, the working principle of cabinet type air conditioner indoor set of the invention is briefly drawn.
As shown in Figure 1, the digital rotation of turbo-dynamo 3 is by room air outside column when cabinet type air conditioner indoor set work
The air inlet 111 of 11 bottom of shell sucks cylindrical shell 11, and air smoothly flows through after bactericidal purifying module 7 is purified by efficient sterilizing
The drip tray 5 of split settings, and after carrying out uniform heat exchange with evaporator 4, air-out chamber is sent by digital turbo-dynamo 3.Into
The air of air-out chamber is from the first air outlet 123 or 124 accelerating jetting of the second air outlet to interior, during injection, air with
Water mist after atomizer 22 is atomized mixes.
It should be noted that although being to combine be provided with humidifier 2 on body 1, set in body 1 in above embodiment
It is equipped with what bactericidal purifying module 7, drip tray 5, evaporator 4 and breeze fan 3 were described, but not all in features described above
It is necessary, it will be appreciated to those of skill in the art that under the premise of can guarantee that cabinet type air conditioner indoor set can run well,
Above-mentioned set-up mode can suitably be deleted, to be combined into new embodiment.For example, can be in above embodiment
On the basis of delete one or all in humidifier 2 and bactericidal purifying module 7, to be combined into new cabinet air-conditioner room
Machine.
Embodiment 2
Referring to Fig. 6 to Fig. 8 C, second of embodiment of cabinet type air conditioner indoor set of the invention is described.
With reference first to Fig. 6 and Fig. 7, the structure of cabinet type air conditioner indoor set is illustrated.Wherein, Fig. 6 is of the invention the
The structural schematic diagram of cabinet type air conditioner indoor set in two kinds of embodiments；Fig. 7 is the structural schematic diagram of fresh air module of the invention.
As shown in Figure 6 and Figure 7, on the basis of the cabinet type air conditioner indoor set of any setting form described in embodiment 1,
Cabinet type air conditioner indoor set is additionally provided with fresh air module 8, and fresh air module 8 is set to the lower section of body 1 and connect with body 1, fresh air
Air inlet 811 and exhaust outlet 812 are provided in module 8, air inlet 811 is connected to by pipeline with outdoor, exhaust outlet 812 and body
1 air inlet 111 is connected to.
By the way that fresh air module 8 is arranged on cabinet type air conditioner indoor set, so that cabinet type air conditioner indoor set at runtime can also
Outdoor fresh air is introduced, guarantees the oxygen content of room air, solves that room air is muddy, the problems such as of poor quality.And drawing
Heat exchange processing can also be carried out to fresh air after entering outdoor fresh air, reduce the fluctuation of room temperature, improve user experience.
Referring to Fig. 6, in a kind of more preferred embodiment, fresh air module 8 is set between body 1 and pedestal 6, newly
Wind module 8 is connected with body 1 and the rotation of pedestal 6 respectively, as fresh air module 8 passes through plain shaft between body 1 and pedestal 6 respectively
The connection being freely rotated is held, or the rotary connector by damping due to rotation bearing etc. with damping connects.After connecting, body 1
Gap is formed between fresh air module 8, exhaust outlet 812 is set to the top of fresh air module 8, and air inlet 111 is set to body 1
Bottom.
By forming gap between body 1 and fresh air module 8, and air inlet 111 is arranged in the bottom of body 1, made
The area for obtaining air inlet 111 is bigger, and intake is bigger, is conducive to improve heat transfer effect and heat exchange efficiency.By by exhaust outlet 812
The top of fresh air module 8 is set, and the fresh air that exhaust outlet 812 is discharged, which is directly entered in body 1, to exchange heat, and reduces
The fluctuation of room temperature improves user experience.By the way that fresh air module 8 is connected with body 1 and the rotation of pedestal 6 respectively, so that
Body 1 and fresh air module 8 can rotate freely air-conditioning during installation, conveniently find optimal setting angle, and it is difficult to reduce installation
Degree, improves the applicability of air-conditioning.
Referring to figure 6 and figure 7, in a kind of more preferred embodiment, fresh air module 8 includes cylindrical shell 81 and setting
In fresh air fan 82 and shift drive mechanism 83 in cylindrical shell 81, shift drive mechanism 83 is connect with fresh air fan 82, with
Just driving 82 speed change of fresh air fan rotation.Specifically, shift drive mechanism 83 includes driving motor 831, electric shifting fork 833 and more
For a tooth than different gear sets 832, the driving wheel of multiple gear sets 832 is fixedly connected on the output shaft of driving motor 831, multiple
The driven wheel of gear set 832 is fixedly connected on the shaft of fresh air fan 82, and electric shifting fork 833 is set up in one of driving wheel
Place, to realize the engagement of different gear sets 832 by adjusting the extension elongation of shift fork.
The revolving speed of fresh air fan 82 is adjusted by the way that shift drive mechanism 83 is arranged in fresh air module 8, the present invention
The intake that fresh air can also be adjusted can be realized a variety of air supply patterns, greatly mention in conjunction with the different wind speed of breeze fan 3
Rise the practicability of air conditioner.
Certainly, the switching mode between different gear sets 832 is in addition to using electric shifting fork 833, and those skilled in the art are also
It can be replaced using other any modes, as long as which being capable of smooth switching gear train 832.For example, it is also possible to
The engagement of different gear sets 832 is realized in such a way that two electric pushrods push driving gear mobile from both direction respectively.Into
One step, the rotational speed regulation of fresh air fan 82 can also be realized by other means, such as by using the servo electricity of adjustable revolving speed
Machine is realized in such a way that gear set 832 drives fresh air fan 82 to rotate.
Referring to Fig. 8 A to Fig. 8 C, three kinds of different fresh air modes are introduced.Wherein, Fig. 8 A is of the invention the
The working principle diagram of the first fresh air mode of cabinet type air conditioner indoor set in two kinds of embodiments；Fig. 8 B is of the invention second
The working principle diagram of second of fresh air mode of cabinet type air conditioner indoor set in embodiment；Fig. 8 C is second of implementation of the invention
The working principle diagram of the third fresh air mode of cabinet type air conditioner indoor set in mode.
As shown in Figure 8 A, in the first fresh air mode, breeze fan 3 runs well, and fresh air fan 82 is lower than air-supply
The rotation speed operation of blower 3 is at this time two parts into the air of body 1, and a part comes from fresh air module 8, and another part comes from
Room air, such air supply mode being capable of the circulation of both in-door air and the introducings of fresh air.
As shown in Figure 8 B, in second of fresh air mode, breeze fan 3 runs well, and fresh air fan 82 is to be substantially equal to
The rotation speed operation of breeze fan 3, enters all outdoor fresh airs of air-flow in body 1 at this time, and such air supply mode can draw
Heat exchange process is carried out to fresh air while entering fresh air, reduces the fluctuation of room temperature.
As shown in Figure 8 C, in the third fresh air mode, breeze fan 3 runs well, and fresh air fan 82 is to be higher than air-supply
The rotation speed operation of blower 3, outdoor fresh air a part, which enters, at this time participates in heat exchange in body 1, and another part is from body 1 and fresh air
Gap between module 8 is sent into indoor, and such air supply mode can take into account the introducing and room temperature of fresh air to the greatest extent
Stablize.
It will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments is wrapped
Certain features for including rather than other feature, but the combination of the feature of different embodiments mean in the scope of the present invention it
It is interior and form different embodiments.For example, in claims of the present invention, embodiment claimed it is any it
One can in any combination mode come using.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement will fall within the scope of protection of the present invention.
Claims (10)
1. a kind of cabinet type air conditioner indoor set, which is characterized in that the cabinet type air conditioner indoor set includes body, is arranged on the body
Have air inlet and the first air outlet, humidifier be provided at first air outlet, be provided in the body breeze fan,
Evaporator and drip tray, the drip tray are set to the lower section of the evaporator, and the evaporator includes coil pipe, the coil pipe packet
The multiple sector structures radiated around from center are included, the multiple sector structure is circumferentially distributed in same plane.
2. cabinet type air conditioner indoor set according to claim 1, which is characterized in that the coil pipe includes multiple branch pipes, described
The inlet and outlet of multiple branch pipes is connected in parallel respectively, and the sector structure in each branch pipe is one another in series in inner end, Mei Gezhi
The outboard end of sector structure in pipe is formed as arc-shaped or polygonized structure.
3. cabinet type air conditioner indoor set according to claim 1, which is characterized in that the evaporator includes more along the vertical direction
The inlet and outlet of the layer coil pipe, coil pipe described in multilayer is connected in parallel respectively, the upstream of one layer of coil pipe in adjacent two layers coil pipe
Section and tract are corresponding in the vertical direction with the tract of another layer of coil pipe and Upstream section respectively.
4. cabinet type air conditioner indoor set according to claim 1, which is characterized in that the drip tray includes circular discs and annular
Disk, the circular discs are arranged above and below along the vertical direction with the annular disk, and are connected to by drainage tube therebetween.
5. cabinet type air conditioner indoor set according to claim 1, which is characterized in that the body includes cylindrical shell and setting
Annular air outlet structure at the top of the cylindrical shell, the breeze fan, the evaporator and the drip tray are all set in
In the cylindrical shell, first air outlet is formed in the annular air outlet structure.
6. cabinet type air conditioner indoor set according to claim 5, which is characterized in that the annular air outlet structure includes inner ring surface
And outer ring surface, the outer ring surface are sheathed on the outside of the inner ring surface and enclose to set to form air-out chamber with the inner ring surface, the outer ring
The front end in face and the front end of the inner ring surface are formed with first air outlet, the rear end of the outer ring surface and the inner ring surface
Connection is closed between rear end,
The bottom end of the outer ring surface is additionally provided with ventilation hole, and the air-out chamber is connected by the ventilation hole and the cylindrical shell
It is logical.
7. cabinet type air conditioner indoor set according to claim 6, which is characterized in that be additionally provided with second on the outer ring surface and go out
Air port, first air outlet are configured with first flap mechanism, and second air outlet is configured with second flap mechanism, and described the
One baffle mechanism is arranged to close or open first air outlet when movement, and the second flap mechanism is arranged to act
When can close or open second air outlet.
8. cabinet type air conditioner indoor set according to claim 6, which is characterized in that the humidifier includes water tank and setting
Atomizer in the water tank, the water tank are fixedly connected on the bottom of the inner ring surface.
9. cabinet type air conditioner indoor set according to any one of claim 1 to 8, which is characterized in that the cabinet air-conditioner room
Interior machine further includes pedestal, and the body and pedestal rotation connect.
10. cabinet type air conditioner indoor set according to claim 9, which is characterized in that shape between the body and the pedestal
At gap, the air inlet is set to the bottom of the body.
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| CN201910778604.1A CN110486813A (en) | 2019-08-22 | 2019-08-22 | Cabinet type air conditioner indoor set |
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| CN201910778604.1A CN110486813A (en) | 2019-08-22 | 2019-08-22 | Cabinet type air conditioner indoor set |
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| CN210638154U (en) * | 2019-08-22 | 2020-05-29 | 青岛海尔空调器有限总公司 | Cabinet type air conditioner indoor unit |
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