CN217876144U - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
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- CN217876144U CN217876144U CN202222300695.8U CN202222300695U CN217876144U CN 217876144 U CN217876144 U CN 217876144U CN 202222300695 U CN202222300695 U CN 202222300695U CN 217876144 U CN217876144 U CN 217876144U
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- fresh air
- ball valve
- air inlet
- indoor unit
- driving device
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Abstract
The utility model provides an indoor unit of air conditioner, include: a casing and a fresh air module; the new trend module sets up in the casing, and the new trend module includes: the volute is internally provided with an air inlet cavity, and a fresh air inlet communicated with the air inlet cavity and a fresh air channel connected to the fresh air inlet are formed on the volute; the first driving device is arranged on the outer wall of the fresh air duct; the ball valve assembly is arranged in the fresh air duct and in surface-to-surface contact with the inner wall of the fresh air duct, the ball valve assembly is connected to the first driving device, and the first driving device drives the ball valve assembly to rotate and is used for opening or closing the fresh air inlet. The ball valve subassembly sets up in lengthened new trend wind channel, and the noise of flowing backward is difficult to get into the intracavity of air inlet and arouses the common chamber sound of whole cavity, and user satisfaction promotes.
Description
Technical Field
The utility model relates to an air conditioning technology field especially relates to an indoor unit of air conditioner.
Background
The function singleness of the new trend module of air conditioner among the prior art, there is the new trend to flow backward the scheduling problem simultaneously, and outdoor new trend flows backward along with the new trend pipe and has indoor uncomfortable sense to the hot and cold air, and different forms prevent flowing backward the scheme in view of the above appears in market. The existing fresh air backflow prevention mode: air outlet sliding baffle type, air inlet baffle type and air inlet rotating baffle type. 1. The air outlet sliding baffle type air leakage problem is caused by the fact that a sliding guide rail is arranged between the sliding baffle and the air cavity, and a gap exists between the sliding baffle and the guide rail. 2. The air inlet sliding baffle type air leakage problem is caused by the sliding guide rail between the sliding baffle and the air cavity. 3. The air inlet rotation type is sealed through spacing boss face overlap joint, and sealed effect is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve one of the technical problem in the correlation technique at least to a certain extent.
Therefore, the application aims to provide an air conditioner indoor unit, an air inlet cavity is formed in the volute of the fresh air module, a fresh air duct connected with the air inlet cavity is arranged at the position of a fresh air inlet of the volute, a ball valve assembly is arranged in the fresh air duct, the ball valve assembly is driven to rotate through a first driving device and is used for opening or closing the fresh air inlet, and the backflow prevention function of the air conditioner is achieved.
An air conditioning indoor unit according to the present application includes: a casing and a fresh air module; the new trend module sets up in the casing, and the new trend module includes: the volute is internally provided with an air inlet cavity, and the volute is provided with a fresh air inlet communicated with the air inlet cavity and a fresh air channel connected with the fresh air inlet; the first driving device is arranged on the outer wall of the fresh air duct; the ball valve assembly is arranged in the fresh air duct and is in surface-to-surface contact with the inner wall of the fresh air duct, the ball valve assembly is connected to the first driving device, and the first driving device drives the ball valve assembly to rotate and is used for opening or closing a fresh air inlet.
This application is in the new trend module of machine in the air conditioning, new trend air outlet department at the new trend module is provided with the new trend wind channel, and be provided with the ball valve subassembly in the new trend wind channel, the ball valve subassembly includes the ball valve, set up the ventilation hole that runs through the ball valve on the ball valve, the ventilation hole is linked together with the new trend air outlet, through setting up a drive arrangement drive ball valve at new trend wind channel internal rotation, a be used for opening or close the new trend air outlet, thereby prevent that the new trend from flowing backwards, through setting up the ball valve subassembly, make the gas tightness of new trend module good, the ball valve subassembly sets up in elongated new trend wind channel, the noise of flowing backwards is difficult to get into the air inlet intracavity and arouses the common chamber sound of whole cavity, user satisfaction promotes.
In some embodiments of the present application, a connection portion is disposed on an outer wall of the fresh air duct, and the first driving device includes a first stepping motor, and the first stepping motor is fixedly mounted on the connection portion.
In some embodiments of this application, the ball valve subassembly includes the ball valve and sets up the ball valve rotation axis on the ball valve, has seted up spacing hole on the new trend wind channel, and the ball valve rotation axis is worn to locate spacing jogged joint first step motor, and first step motor drive ball valve rotation axis rotates and drives the ball valve and rotate.
In some embodiments of this application, be provided with rotatory spacing protruding muscle on the ball valve rotation axis, the periphery in spacing hole is provided with a plurality of spacing muscle, and rotatory spacing protruding muscle rotates between a plurality of spacing muscle to the block is on a plurality of spacing muscle.
In some embodiments of the present application, a vent hole is formed in the ball valve, and the vent hole is communicated with the fresh air inlet.
In some embodiments of the present application, the fresh air duct comprises a first air duct, and the ball valve is connected in the first air duct in an interference manner.
In some embodiments of the present application, the first air duct is connected to a second air duct extending in a direction away from the fresh air inlet, and an inner diameter of the second air duct is smaller than an inner diameter of the second air duct.
In some embodiments of this application, the new trend module includes the filter screen subassembly, and the filter screen subassembly is inserted and is arranged in the air inlet intracavity, and the filter screen subassembly includes filter screen frame and sets up the filter screen on filter screen frame for purify and filter the air that gets into the air inlet intracavity, be provided with the slip concave part on the inner wall in air inlet chamber, filter screen frame both sides along the slip concave part slip into the air inlet intracavity.
In some embodiments of the application, a fresh air outlet communicated with the air inlet cavity is formed in the volute, a second driving device and a baffle plate which are in transmission connection are arranged at the fresh air outlet, and the second driving device drives the baffle plate to move and is used for opening or closing the fresh air outlet.
In some embodiments of the present application, a rack is disposed on the baffle, the second driving device includes a gear meshed with the rack and a second stepping motor, and the second stepping motor drives the gear to rotate to drive the rack to move, so as to drive the baffle to move.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
fig. 1 is a schematic structural view of an air conditioning indoor unit according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram 1 of a fresh air module of an air conditioning indoor unit according to an embodiment of the present application;
fig. 3 is a schematic structural diagram 2 of a fresh air module of an air conditioning indoor unit according to an embodiment of the present application;
fig. 4 is a cross-sectional view of a fresh air module of an air conditioning indoor unit according to an embodiment of the present application;
fig. 5 is a schematic structural view of a volute of the air conditioning indoor unit according to the embodiment of the present application;
fig. 6 is a schematic structural view of a fresh air duct of the air conditioning indoor unit according to the embodiment of the present application;
fig. 7 is a schematic structural view of a ball valve assembly of an air conditioning indoor unit according to an embodiment of the present disclosure;
fig. 8 is a schematic structural view illustrating a ball valve assembly of the air conditioning indoor unit disposed in the fresh air duct according to the embodiment of the present application;
fig. 9 is a schematic structural view illustrating a driving device of an air conditioning indoor unit connected to a fresh air duct and a ball valve assembly according to an embodiment of the present application;
fig. 10 is a schematic structural view of a filter screen assembly of a fresh air module of an air conditioning indoor unit according to an embodiment of the present application;
fig. 11 is a schematic structural view of a fresh air outlet of a fresh air module of an air conditioning indoor unit according to an embodiment of the present application;
fig. 12 is a schematic structural view illustrating that a second driving device of a fresh air module of an air conditioning indoor unit is connected to a baffle according to an embodiment of the present application;
in the above figures: a housing 1; a fresh air module 2; a volute casing 21; a first scroll casing 21a; the second scroll casing 21b; a fresh air inlet 21c; a fresh air duct 21d; a stopper hole 21e; a limit rib 21f; a fresh air outlet 21h; a first driving device 21j; a first stepping motor 21k; a first air duct 21m; a second air duct 21n; a ball valve assembly 22; a ball valve rotating shaft 22a; a rotation limiting convex rib 22b; the vent hole 22d; a second driving device 23; a second stepping motor 24; a transmission gear 25; a baffle 26; a rack 27; a screen assembly 28; a screen frame 28a; frame slide 28b; a screen handle 28c; a filter screen 28d; a slide concave portion 29; a connecting portion 30; a slide guide 31.
Detailed Description
The present invention will be described in detail by way of examples. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the present application, an air conditioner performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.
The compressor compresses a refrigerant in a low-temperature and low-pressure state, and discharges a compressed high-temperature and high-pressure refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.
The expansion valve expands the liquid-phase refrigerant in the medium-temperature and high-pressure state condensed in the condenser into a low-temperature and low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve, and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.
The air conditioner includes an air conditioner indoor unit and an air conditioner outdoor unit, the air conditioner outdoor unit includes a compressor and an outdoor heat exchanger, the air conditioner indoor unit includes an indoor heat exchanger, and an expansion valve may be provided in the indoor unit or the outdoor unit.
The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in a cooling mode.
Hereinafter, embodiments of the present application will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of an air conditioning indoor unit according to an embodiment of the present application, fig. 2 is a schematic structural view 1 of a fresh air module of the air conditioning indoor unit according to the embodiment of the present application, fig. 3 is a schematic structural view 2 of the fresh air module of the air conditioning indoor unit according to the embodiment of the present application, fig. 4 is a cross-sectional view of the fresh air module of the air conditioning indoor unit according to the embodiment of the present application, and fig. 5 is a schematic structural view of a volute of the air conditioning indoor unit according to the embodiment of the present application.
Referring to fig. 1 to 5, an indoor unit of an air conditioner according to the present application includes: a machine shell 1 and a fresh air module 2; fresh air module 2 sets up in casing 1, and fresh air module 2 includes: a volute 21, wherein an air inlet cavity is formed in the volute 21, and a fresh air inlet 21c communicated with the air inlet cavity and a fresh air duct 21d connected to the fresh air inlet 21c are formed on the volute 21; the first driving device 21j is arranged on the outer wall of the fresh air duct 21d; the ball valve assembly 22 is arranged in the fresh air duct 21d and in surface-to-surface contact with the inner wall of the fresh air duct 21d, the ball valve assembly 22 is connected to the first driving device 21j, and the first driving device 21j drives the ball valve assembly 22 to rotate and is used for opening or closing the fresh air inlet 21c.
Casing 1 is the shell of machine in the air conditioning, is provided with heat exchanger and new trend module 2 in the casing 1, and the heat exchanger transversely sets up in casing 1, and new trend module 2 sets up in the one end of heat exchanger.
The fresh air module 2 comprises a volute 21 and a fresh air fan, the fresh air fan is arranged in the volute 21, the volute 21 comprises a first volute 21a and a second volute 21b, an air outlet cavity communicated with a fresh air outlet 21h is formed in the first volute 21a, an air inlet cavity for air to flow in is formed in the second volute 21b, and the air inlet cavity is communicated with the air outlet cavity.
The first volute 21a and the second volute 21b are connected to form a fresh air outlet 21h, and the flow of air is accelerated by the fresh air fan, so that air is blown out from the fresh air outlet 21h.
Fig. 6 is a schematic structural view of a fresh air duct of an air-conditioning indoor unit according to an embodiment of the present disclosure, fig. 7 is a schematic structural view of a ball valve assembly of the air-conditioning indoor unit according to the embodiment of the present disclosure, fig. 8 is a schematic structural view of the ball valve assembly of the air-conditioning indoor unit according to the embodiment of the present disclosure disposed in the fresh air duct, and fig. 9 is a schematic structural view of a driving device of the air-conditioning indoor unit according to the embodiment of the present disclosure connected to the fresh air duct and the ball valve assembly.
Referring to fig. 6 to 9, a fresh air inlet 21c communicating with the air inlet chamber is formed in the second scroll casing 21b, a fresh air duct 21d is disposed at the fresh air inlet 21c, the fresh air duct 21d includes a first air duct 21m and a second air duct 21n connected to each other, the second air duct 21n extends in a direction away from the fresh air inlet 21c, and a diameter of the first air duct 21m is greater than a diameter of the second air duct 21 n.
Be provided with ball valve assembly 22 in the first wind channel 21m of institute, ball valve assembly 22 interference is connected in first wind channel 21m, and ball valve assembly 22's surface contacts with the inner wall surface of new wind channel 21d promptly, closely laminates, guarantees the gas tightness of new wind channel 21 d.
A connecting portion is arranged on the fresh air duct 21d, the first driving device 21j includes a first stepping motor 21k, and the first stepping motor 21k is fixedly installed on the connecting portion.
The ball valve assembly 22 comprises a ball valve, a vent hole 22d penetrating through the ball valve is formed in the ball valve, and the vent hole 22d is communicated with the fresh air inlet 21c.
The ball valve is provided with a ball valve rotating shaft 22a, the fresh air duct 21d is provided with a limiting hole 21e, the ball valve rotating shaft 22a penetrates through the limiting hole 21e and is connected to a first stepping motor 21k, and the first stepping motor 21k drives the ball valve rotating shaft 22a to rotate to drive the ball valve to rotate in the fresh air duct 21d and is used for opening or closing a fresh air inlet 21c.
The ball valve rotating shaft 22a is provided with a rotation limiting convex rib 22b, the periphery of the limiting hole 21e is provided with a plurality of limiting ribs 21f, and the rotation limiting convex rib 22b rotates between the limiting ribs 21f and is clamped on the limiting ribs 21 f.
Fig. 10 is a schematic structural view of a filter screen assembly of a fresh air module of an air conditioning indoor unit according to an embodiment of the present application.
Referring to fig. 10, the fresh air module 2 includes a filter screen assembly 28, a mounting opening communicated with the air inlet chamber is formed at the top of the second scroll casing 21b, a sliding concave portion 29 is formed on the inner wall of the air inlet chamber at the position of the mounting opening, and the filter screen assembly 28 slides into the air inlet chamber along the sliding concave portion 29.
The screen assembly 28 includes a screen frame 28a and frame slide rails 28b attached to both sides of the screen frame 28a, and the frame slide rails 28b slide into the intake air chamber along slide recesses 29.
The top of the screen frame 28a is provided with a screen handle 28c for ease of installation and maintenance.
A filter screen 28d is disposed on the filter screen frame 28a near the filter screen handle 28c, and is used for purifying and filtering the outdoor fresh air flowing into the air inlet cavity from the fresh air inlet 21c.
Fig. 11 is a schematic structural view of a fresh air outlet of a fresh air module of an air conditioning indoor unit according to an embodiment of the present disclosure, and fig. 12 is a schematic structural view of a second driving device of the fresh air module of the air conditioning indoor unit according to the embodiment of the present disclosure, which is connected to a baffle.
Referring to fig. 11 to 12, an air outlet duct is disposed at the fresh air outlet 21h, a sliding guide rail is disposed at an end of the air outlet duct, the fresh air module 2 further includes a baffle 26, two sides of the baffle 26 are clamped on the sliding guide rail 31, and the baffle 26 is controlled to move left and right along the sliding guide rail 31, so as to open or close the fresh air outlet 21h.
A second driving device 23 is provided between the shutters 26, and the second driving device 23 drives the shutters 26 to move.
The second driving device 23 comprises a transmission gear 25 and a second stepping motor 24 connected to the transmission gear 25, a rack 27 is arranged on the baffle 26, the transmission gear 25 is meshed with the rack 27, the transmission gear 25 is driven by the second stepping motor 24 to rotate to drive the rack 27 to move, and then the baffle 26 is driven to slide, so that the fresh air outlet 21h is opened or closed.
Control opening or closing of new trend air intake 21c through setting up ball valve assembly 22, realize preventing flowing backward the function, specifically do:
when the fresh air function is started, the first stepping motor 21k drives the ball valve rotating shaft 22a to rotate, so that the rotating limiting convex rib 22b rotates to the limiting rib 21f, the vent hole 22d is communicated with the fresh air outlet 21h, and outdoor fresh air enters the air inlet cavity; when the new trend function was closed, first step motor 21k drive ball valve rotatory 90 degrees spacing muscle 21f when the new trend function was closed, and the ball valve seals up new trend wind channel 21d completely, prevents that external wind and tuber pipe noise from passing to the air inlet intracavity.
To sum up, this application is in the new trend module of machine in the air conditioning, new trend air outlet department at the new trend module is provided with the new trend wind channel, and be provided with the ball valve subassembly in the new trend wind channel, the ball valve subassembly includes the ball valve, set up the ventilation hole that runs through the ball valve on the ball valve, the ventilation hole is linked together with the new trend air outlet, through setting up a drive arrangement drive ball valve at new trend wind channel internal rotation, a be used for opening or close the new trend air outlet, thereby prevent that the new trend from flowing backwards, through setting up the ball valve subassembly, make the gas tightness of new trend module good, the ball valve subassembly sets up in lengthened new trend wind channel, it arouses the common chamber sound of whole cavity to flow backwards the noise and is difficult to get into the air inlet intracavity, user satisfaction promotes.
In the description of the present invention, it is to be understood that the terms "front", "back", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate directions or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An indoor unit of an air conditioner, comprising:
a housing;
the new trend module set up in the casing, the new trend module includes:
the volute is internally provided with an air inlet cavity, and a fresh air inlet communicated with the air inlet cavity and a fresh air channel connected to the fresh air inlet are formed on the volute;
the first driving device is arranged on the fresh air duct;
the ball valve assembly is arranged in the fresh air channel and in surface-to-surface contact with the inner wall of the fresh air channel, the ball valve assembly is connected to the first driving device, the first driving device drives the ball valve assembly to rotate and is used for opening or closing the fresh air inlet.
2. An indoor unit of an air conditioner according to claim 1, wherein a connecting portion is provided on an outer wall of the fresh air duct, and the first driving device includes a first stepping motor fixedly mounted on the connecting portion.
3. The indoor unit of claim 2, wherein the ball valve assembly comprises a ball valve and a ball valve rotating shaft disposed on the ball valve, the fresh air duct is provided with a limiting hole, the ball valve rotating shaft is disposed through the limiting hole and connected to the first stepping motor, and the first stepping motor drives the ball valve rotating shaft to rotate to drive the ball valve to rotate.
4. An indoor unit of an air conditioner according to claim 3, wherein a rotation limiting rib is provided on the ball valve rotation shaft, a plurality of limiting ribs are provided on the periphery of the limiting hole, and the rotation limiting rib rotates between the plurality of limiting ribs and is engaged with the plurality of limiting ribs.
5. An indoor unit of an air conditioner according to claim 3, wherein the ball valve is provided with a vent hole penetrating through the ball valve, and the vent hole is communicated with the fresh air inlet.
6. The indoor unit of claim 3, wherein the fresh air duct comprises a first air duct, and the ball valve is connected in the first air duct in an interference manner.
7. An indoor unit of an air conditioner according to claim 6, wherein the first air duct is connected to a second air duct extending in a direction away from the fresh air inlet, and an inner diameter of the second air duct is smaller than an inner diameter of the first air duct.
8. The indoor unit of claim 1, wherein the fresh air module comprises a filter screen assembly, the filter screen assembly is inserted into the air inlet cavity, a sliding recess is formed in the inner wall of the air inlet cavity, the filter screen assembly comprises a filter screen frame and a filter screen arranged on the filter screen frame and used for purifying air entering the air inlet cavity, and two sides of the filter screen frame slide into the air inlet cavity along the sliding recess.
9. The indoor unit of an air conditioner as claimed in claim 1, wherein the volute is provided with a fresh air outlet communicated with the air inlet chamber, the fresh air outlet is provided with a second driving device and a baffle plate which are in transmission connection, and the second driving device drives the baffle plate to move so as to open or close the fresh air outlet.
10. An indoor unit of an air conditioner as claimed in claim 9, wherein a rack is provided on the baffle, the second driving device comprises a gear meshed with the rack and a second stepping motor, and the second stepping motor drives the gear to rotate to drive the rack to move, so as to drive the baffle to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222300695.8U CN217876144U (en) | 2022-08-31 | 2022-08-31 | Indoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222300695.8U CN217876144U (en) | 2022-08-31 | 2022-08-31 | Indoor unit of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217876144U true CN217876144U (en) | 2022-11-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222300695.8U Active CN217876144U (en) | 2022-08-31 | 2022-08-31 | Indoor unit of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217876144U (en) |
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2022
- 2022-08-31 CN CN202222300695.8U patent/CN217876144U/en active Active
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