CN108286742B - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
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- CN108286742B CN108286742B CN201810134825.0A CN201810134825A CN108286742B CN 108286742 B CN108286742 B CN 108286742B CN 201810134825 A CN201810134825 A CN 201810134825A CN 108286742 B CN108286742 B CN 108286742B
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The invention relates to an air conditioner indoor unit, comprising: the annular shell is provided with a central ring hole which is penetrated from front to back, an annular air inlet grille which is positioned at the rear side and distributed along the circumferential direction of the central ring hole, and an annular air outlet which is positioned at the front side and distributed along the circumferential direction of the annular air inlet grille; the annular heat exchanger is arranged in the annular shell and is configured to be in controlled heat exchange with air flow entering the annular shell through the annular air inlet grille; the annular ion wind generating device is arranged in the annular shell and is configured to controllably promote airflow in the annular shell to flow towards the annular air outlet so as to form ion wind; and a fan disposed in the central ring hole and configured to controllably promote natural wind in the room that has not been subjected to heat exchange to jet from back to front through the central ring hole and mix with the air flow after heat exchange sent out through the annular air outlet. The indoor air conditioner has the advantages of wide indoor air supply range, soft air supply, attractive appearance, low noise and good user experience.
Description
Technical Field
The invention relates to an air conditioning technology, in particular to an air conditioner indoor unit.
Background
At present, the traditional indoor unit of the air conditioner has two types of vertical type and wall-mounted type. The existing wall-mounted air conditioner indoor units are all long-strip-shaped, heat exchange is carried out by utilizing a bending type evaporator, and air supply is driven by using fan-type components such as a cross-flow fan, an axial flow fan or a centrifugal fan, and the air supply opening is usually long-strip-shaped. The existing vertical air conditioner indoor unit is in a column shape which is vertically placed, exchanges heat by using a plate type evaporator, and supplies air by using a cross flow fan, an axial flow fan or a centrifugal fan, and an air supply opening is rectangular. The existing indoor units of the air conditioner are easy to cause visual aesthetic fatigue in appearance, and the air supply range of the air supply port is narrow and the air supply amount is small.
In addition, the noise generated by the driving part of the fan is larger during operation, so that the use experience of a user is affected, and particularly, the indoor unit of the desktop air conditioner placed on the desktop is more prominent in the sense of larger noise, uncomfortable wind sense and the like because of being closer to the user.
Disclosure of Invention
An object of the present invention is to overcome at least one of the drawbacks of the prior art and to provide an air conditioning indoor unit with a wide air supply range, soft air supply and attractive appearance.
It is a further object of the present invention to increase the usage patterns of indoor units of air conditioners to meet the diversified demands of users.
Another further object of the present invention is to simplify the structure of an indoor unit of an air conditioner and reduce the cost.
In order to achieve the above object, the present invention provides an air conditioner indoor unit comprising:
the annular shell is provided with a central ring hole which is penetrated from front to back, an annular air inlet grille which is positioned at the rear side and distributed along the circumferential direction of the central ring hole, and an annular air outlet which is positioned at the front side and distributed along the circumferential direction of the annular air inlet grille;
an annular heat exchanger disposed inside the annular housing and configured to controllably exchange heat with an air flow entering the annular housing via the annular air inlet grille;
the annular ion wind generating device is arranged in the annular casing and is configured to controllably promote airflow in the annular casing to flow towards the annular air outlet so as to form ion wind; and
the fan is arranged in the central ring hole and is configured to controllably promote indoor natural wind which is not subjected to heat exchange to jet from back to front through the central ring hole and mix with the air flow which is sent out through the annular air outlet and subjected to heat exchange.
Optionally, the fan is an axial flow fan, and an axis of the axial flow fan coincides with an axis of the central ring hole.
Optionally, the annular housing comprises an annular front outer housing, an annular front inner housing, and an annular rear housing;
the front inner shell is arranged inside the front outer shell, and a gap is reserved between the front inner shell and the shell wall of the front outer shell; and is also provided with
The rear housing has an inner side edge and an outer side edge extending in a circumferential direction thereof, the rear side of the front inner housing is connected to the inner side edge of the rear housing, the rear side of the front outer housing is connected to the outer side edge of the rear housing, so that a containing space is defined between the rear housing, the front inner housing and the front outer housing, and the annular heat exchanger and the annular ion wind generating device are both installed in the containing space.
Optionally, the front inner casing and the front outer casing each have a front side edge extending in a respective circumferential direction thereof, the annular air outlet being formed between the front side edges of the front inner casing and the front outer casing; and is also provided with
The annular air inlet grille is formed on the rear housing.
Optionally, the front inner shell extends forwards from back to front along a first curve, the first curve comprises a first section and a second section which are sequentially arranged from back to front and are smoothly connected, the first section is a circular arc curve, and the circle center of a circle where the first section is located outside the first section; and/or
The front outer shell extends forwards from back to front along a second curve, the second curve comprises a third section and a fourth section which are sequentially arranged from back to front and are smoothly connected, the third section is a circular arc curve, and the circle center of a circle where the third section is located inside the third section.
Optionally, the indoor unit of the air conditioner further includes:
the annular purifying module is arranged in the airflow flowing direction in the annular shell and is used for purifying airflow flowing to the annular air outlet; and is also provided with
The annular heat exchanger, the annular ion wind generating device and the annular purifying module are sequentially arranged in the annular casing from back to front.
Optionally, the indoor unit of the air conditioner further includes a condensed water collecting device having:
the upper water receiving disc is arranged on the inner side of the upper half part of the annular heat exchanger along the circumferential direction of the annular heat exchanger and is used for collecting condensed water generated by the upper half part of the annular heat exchanger;
the lower water receiving disc is arranged on the outer side of the lower half part of the annular heat exchanger along the circumferential direction of the annular heat exchanger and is at least used for collecting condensed water generated by the lower half part of the annular heat exchanger; and
and the water guide pipe is communicated with the upper water receiving disc and the lower water receiving disc, and is used for guiding condensed water collected by the upper water receiving disc to the lower water receiving disc, so that the condensed water is directly or indirectly discharged to the outside of the annular shell through the lower water receiving disc.
Optionally, any section of the upper water pan taken along the radial direction of the upper water pan is an arc-shaped curve convexly curved towards the inner side of the upper water pan; and/or
Any section of the lower water pan taken along the radial direction of the lower water pan is a curve convexly curved towards the outer side of the lower water pan, and the curve comprises a middle circular arc section and two inclined straight line sections symmetrically connected to the front side and the rear side of the middle circular arc section.
Optionally, the indoor unit of the air conditioner is a desktop indoor unit of the air conditioner.
Optionally, the bottom of the annular casing has a flat surface so as to rest directly on a supporting surface; or (b)
The indoor unit of the air conditioner further comprises a base arranged below the annular casing, and the base is used for supporting the annular casing provided with the annular heat exchanger, the annular ion wind generating device and the fan.
The air conditioner indoor unit provided by the invention is provided with the annular shell, so that the whole air conditioner indoor unit is annular in shape, the annular air conditioner indoor unit is attractive and unique and is novel, and the annular air conditioner indoor unit can be used as an ornament especially for a desktop air conditioner indoor unit placed on a desktop. Meanwhile, the annular air outlet is formed in the front side of the air conditioner indoor unit, 360-degree wide-angle air supply is achieved, the air supply range is enlarged, and comfort level experience of a user is improved. And the central ring hole which is communicated with the annular shell from front to back is internally provided with a fan, so that the central ring hole forms a straight-in and straight-out non-heat exchange air duct. Under the drive of the fan, natural wind behind the air conditioner indoor unit is jetted from back to front through the central ring hole and is mixed with the air flow after heat exchange sent out through the annular air outlet. When the mixed air flows are blown to the human body, the effects of cooling, not cooling, heating and not heating can be achieved, and the softness and the comfort of air supply of the indoor unit of the air conditioner are improved.
Furthermore, the annular ion wind generating device and the fan can be started alternatively or simultaneously. Therefore, when the annular ion wind generating device is started to operate, a large number of charged particles are generated by the annular ion wind generating device under high pressure, and the charged particles move under the action of electric field force to generate kinetic energy, so that ion wind is formed, wind sense is natural, noise is low, and at the moment, the air conditioner indoor unit can work in a mute mode; when only the fan is started to operate, only the non-heat exchange air flows through the central ring Kong Songchu, and at the moment, the air conditioner indoor unit can work in an air circulation mode; when the annular ion wind generating device and the fan are started to run simultaneously, the air supply systems of the annular ion wind generating device and the fan are connected in parallel, heat exchange air flow and non-heat exchange air flow are respectively sent out from the front sides of the annular air outlet and the central ring hole, the heat exchange air flow and the non-heat exchange air flow are mixed and then blown to a human body, and at the moment, the air conditioner indoor unit can work in a soft air supply mode. Therefore, the indoor unit of the air conditioner has various use modes, and meets the diversified requirements of users.
Furthermore, the annular shell is further limited to comprise a front outer shell, a front inner shell and a rear shell which are all annular, an annular air outlet and an annular containing space matched with the annular heat exchanger and the annular ion wind generating device in shape are defined through the position layout and the connection relation among the front outer shell, the front inner shell and the rear shell, the structure and the assembly are very simple, and the structure cost and the labor cost are simplified.
The above, as well as additional objectives, advantages, and features of the present invention will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present invention when read in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:
fig. 1 is a schematic block diagram of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic structural exploded view of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of an air conditioning indoor unit according to one embodiment of the present invention;
FIG. 4 is a schematic block diagram of a first curve according to one embodiment of the invention;
FIG. 5 is a schematic block diagram of a second curve according to one embodiment of the invention;
FIG. 6 is a schematic block diagram of a rear housing according to one embodiment of the invention;
FIG. 7 is a schematic block diagram of an assembled annular heat exchanger with a condensate water collecting apparatus in accordance with one embodiment of the present invention;
FIG. 8 is a schematic structural exploded view of a condensate water collecting apparatus according to one embodiment of the present invention;
FIG. 9 is a schematic cross-sectional view of the upper drip tray taken along section line X-X in FIG. 8;
fig. 10 is a schematic cross-sectional view of the lower drip tray and the drain tube taken along section line Y-Y in fig. 8.
Detailed Description
An embodiment of the present invention provides an air conditioning indoor unit, fig. 1 is a schematic structural view of the air conditioning indoor unit according to an embodiment of the present invention, fig. 2 is a schematic structural exploded view of the air conditioning indoor unit according to an embodiment of the present invention, and fig. 3 is a schematic sectional view of the air conditioning indoor unit according to an embodiment of the present invention. Referring to fig. 1 to 3, an air conditioning indoor unit 1 of the present invention includes an annular casing 10, an annular heat exchanger 20, an annular ion wind generating device 30, and a blower 60.
The annular housing 10 has a center hole 130 penetrating forward and backward, that is, the axis of the annular housing 10 extends in the forward and backward direction. Specifically, the annular casing 10 has an inner contour line and an outer contour line, each of which is a closed annular curve having a preset shape formed by one rotation in a vertical plane along respective predetermined paths about an axis in the front-rear direction. Also, the ring-shaped casing 10 has an air inlet grill 110 located at a rear side thereof and distributed along a circumferential direction thereof, and a ring-shaped air outlet 120 located at a front side thereof and distributed along a circumferential direction thereof. The indoor air flow can enter the annular casing 10 through the air inlet grille 110, and the air flow in the annular casing 10 can be sent to the indoor through the annular air outlet 120. The air inlet grille 110 is formed with a plurality of air inlets uniformly distributed along the circumferential direction of the annular casing 10. The air inlet grille 110 is preferably in the form of a closed ring, with the ring-shaped air inlet grille 110 being distributed over the entire circumferential casing wall of the annular casing 10. In some alternative embodiments, the air inlet grille 110 may also be semi-closed curved, such as a dome shape, distributed over a partial section of the circumferential casing wall of the annular casing 10.
The air conditioner indoor unit 1 is provided with the annular shell 10, so that the whole air conditioner indoor unit 1 is in a unique annular shape, the annular air conditioner indoor unit 1 is attractive and unique and is novel, and the air conditioner indoor unit can be used as an ornament especially for a desktop air conditioner indoor unit placed on a desktop. Meanwhile, the annular air outlet is formed in the front side of the indoor unit of the air conditioner, 360-degree wide-angle air supply is achieved, the air supply range is enlarged, and comfort experience of a user is improved.
The annular heat exchanger 20 is disposed inside the annular casing 10 and configured to controllably exchange heat with the air flow entering the annular casing 10 via the air inlet grille 110, thereby changing it into a heat exchanged air flow having a higher temperature (when the air conditioning indoor unit heats) or a lower temperature (when the air conditioning indoor unit cools).
The annular ion wind generating device 30 is disposed inside the annular casing 10 and configured to controllably induce the flow of the heat exchanged air within the annular casing 10 toward the annular air outlet 120 to form ion wind. That is, the annular ion wind generating device 30 is used to promote indoor air to enter the annular casing 10 through the annular air inlet grille 110, and flow towards the annular air outlet 120 after heat exchange through the annular heat exchanger 20. Specifically, the annular ion wind generating apparatus 30 ionizes air in the annular housing 10 under high pressure to generate a large number of charged particles, which are directionally moved by the electric field force to form ion wind. Since the working principle of the ion wind generating device itself is easily available to those skilled in the art, the description thereof will not be repeated here.
The invention utilizes the annular ion wind generating device 30 to generate a large amount of charged particles under high pressure, and the charged particles move under the action of electric field force to generate kinetic energy, thereby forming ion wind, having natural wind sense, realizing mute air supply and reducing noise when the air conditioner indoor unit 1 operates.
The fan 60 is disposed in the center hole 130 and is configured to controllably induce the indoor, non-heat exchanged natural wind to jet out from the back to the front through the center hole 130 and mix with the heat exchanged air flow sent out through the annular air outlet 120. Specifically, the rear port of the center hole 130 forms an air inlet for the air flow generated by the fan 60, and the front port of the center hole 130 forms an air outlet for the air flow generated by the fan 60. Further, the front and rear ports of the central ring hole 130 are respectively provided with an air outlet grille 132 and an air inlet grille 133, and the shapes of the air outlet grille 132 and the air inlet grille 133 are respectively matched with the shapes of the front and rear ports of the central ring hole 130, so that the use safety and the aesthetic appearance of the air conditioner indoor unit 1 are improved.
Because the central ring hole 130 is a through passage formed in the center of the entire annular housing 10 and passing through the center, the central ring hole 130 can form a straight-in and straight-out (i.e., back-in and front-out) non-heat exchange air duct after the fan 60 is specifically designed in the central ring hole 130. The natural wind behind the indoor unit 1 is sprayed from the rear to the front through the central hole 130 by the fan 60, and is mixed with the heat-exchanged air flow sent out through the annular air outlet 120. When the mixed air flows are blown to the human body, the effects of cooling, not cooling, heating and not heating can be achieved, and the softness and the comfort of air supply of the air conditioner indoor unit 1 are improved. Meanwhile, the thickness of the air conditioner indoor unit 1 in the front-rear direction is not increased by the arrangement of the blower 60, so that the air conditioner indoor unit 1 is more elaborate.
In some embodiments of the present invention, since the axis of the annular casing 10 extends in the front-rear direction, the axes of the annular heat exchanger 20 and the annular ion wind generating device 30 also extend in the front-rear direction, and the annular heat exchanger 20 and the annular ion wind generating device 30 also have inner and outer contours, and the inner and outer contours of the annular heat exchanger 20 and the annular ion wind generating device 30 are also annular closed curves in a vertical plane.
The outer and inner contours of the annular housing 10 may be annular, elliptical-like, heart-shaped, or other shaped, graceful, closed ring. The shape of the outer contour of the annular housing 10 may be the same as or different from the shape of the inner contour thereof. Accordingly, the outer contours of the annular heat exchanger 20 and the annular ion wind generating device 30 are matched with the outer contours of the annular housing 10, and the inner contours of the annular heat exchanger 20 and the annular ion wind generating device 30 are matched with the inner contours of the annular housing 10. Specifically, in the embodiment shown in fig. 1 to 3, the outer and inner contours of the annular housing 10, the annular heat exchanger 20 and the annular ion wind generating device 30 are each in the shape of a ring with center axes coincident.
In some embodiments of the invention, the fan 60 is an axial flow fan having an axis coincident with the axis of the center bore 130. Thus, a complicated air duct or a volute can be omitted, and the structure of the air conditioner indoor unit 1 is simplified.
In some embodiments of the present invention, the annular ion wind generating device 30 and the blower 60 are configured to be activated in a controlled manner alternatively or simultaneously so that the air conditioning indoor unit 1 has a mute mode in which the air supply is driven only by the annular ion wind generating device 30, an air circulation mode in which the air supply is driven only by the blower 60, or a soft air supply mode in which the air supply is driven simultaneously by the annular ion wind generating device 30 and the blower 60.
Specifically, when only the ring-shaped ion wind generating device 30 starts to operate, the ring-shaped ion wind generating device 30 generates a large amount of charged particles under high pressure, and the charged particles move to generate kinetic energy under the action of electric field force, thereby forming ion wind. Indoor air enters the annular casing 10 through the annular air inlet grille 110, exchanges heat through the annular heat exchanger 20 and is sent out from the annular air supply outlet 120. The air-conditioning indoor unit 1 can work in a mute mode at the moment.
When only the blower 60 is started, indoor air enters through the rear port of the central hole 130, flows through the central hole 130 and is sent out from the front port of the central hole 130, and the temperature of the air flow is not changed because the air flow does not pass through heat exchange and directly enters and directly exits, and at this time, the air conditioner indoor unit 1 can work in an air circulation mode.
When the annular ion wind generating device 30 and the fan 60 are started to operate simultaneously, the air supply systems of the annular ion wind generating device 30 and the fan 60 are connected in parallel, the front sides of the annular air outlet 120 and the central ring hole 130 respectively send out heat exchange air flow and non-heat exchange air flow, and the heat exchange air flow and the non-heat exchange air flow are mixed and then blown to a human body, so that the air conditioner indoor unit 1 can work in a soft air supply mode. Therefore, the air conditioner indoor unit 1 can realize various air supply modes by controlling the starting and stopping of the annular ion air generating device 30 and the fan 60, thereby meeting the diversified requirements of users.
In some embodiments of the present invention, the annular casing 10 includes an annular front outer casing 141, an annular front inner casing 142, and an annular rear casing 143. It is understood that the axes of the rear case 143, the front inner case 142, and the front outer case 141 all extend in the front-rear direction. The front inner case 142 is disposed inside the front outer case 141 with a gap left between the front inner case 142 and the case wall of the front outer case 141. Fig. 6 is a schematic structural view of a rear housing according to an embodiment of the present invention. The rear case 143 has an inner side edge portion 1432 and an outer side edge portion 1433 extending in the circumferential direction thereof. It is emphasized that "inner side" here means a side closer to the center thereof in the radial direction of the rear case 143, and correspondingly "outer side" here means a side farther from the center thereof in the radial direction of the rear case 143. The rear side of the front inner case 142 is connected to an inner side edge portion 1432 of the rear case 143, and the rear side of the front outer case 141 is connected to an outer side edge portion 1433 of the rear case 143, so that an accommodating space is defined between the rear case 143, the front inner case 142, and the front outer case 141, in which the annular heat exchanger 20 and the annular ion wind generating device 30 are installed. Specifically, the front inner case 142 and the rear case 143, and the front outer case 141 and the rear case 143 may be coupled by a snap fit, screw connection, or other suitable means. Further, airtight seals are formed between the mating interfaces of the front inner case 142 and the rear case 143, and between the mating interfaces of the front outer case 141 and the rear case 143, to prevent the air flow within the annular casing 10 from leaking to the indoor environment through other locations than the annular air outlet 120. For example, sealing rings may be provided between the mating interfaces of the front inner case 142 and the rear case 143, and between the mating interfaces of the front outer case 141 and the rear case 143.
Further, the front inner case 142 and the front outer case 141 each have front side edges extending in their respective circumferential directions, and the annular air outlet 120 is formed between the front side edges of the front inner case 142 and the front outer case 141. The air inlet grill 110 is formed on the rear housing 143.
Further, the case wall of the rear case 143 extends from the inner side edge thereof to the outer side edge thereof convexly rearward in the radial direction of the rear case 143. That is, the rear case 143 is generally annular tubular, and the front side of the annular tubular is provided with an annular opening extending in the circumferential direction thereof, the outer side edge of the annular opening forming the outer side edge of the rear case 143, and the inner side edge of the annular opening forming the inner side edge of the rear case 143. The air inlet grill 110 is opened in a region of the housing wall of the rear housing 143 that protrudes rearward most.
The annular casing 10 is further limited to comprise a front outer casing 141, a front inner casing 142 and a rear casing 143 which are all annular, and the annular air outlet 120 and an annular accommodating space matched with the annular heat exchanger 20 and the annular ion wind generating device 30 in shape are defined through the position layout and the connection relation among the front outer casing 141, the front inner casing 142 and the rear casing 143, so that the structure and the assembly are very simple, and the structure cost and the labor cost are simplified.
Specifically, the front side edges of the front inner case 142 and the front outer case 141 may each have a circular shape, and the center of the circle in which the front side edge of the front inner case 142 is located may coincide with the center of the circle in which the front side edge of the front outer case 141 is located, so that the widths of the respective sections of the annular air outlet 120 in the radial direction thereof are the same. The radius of the circle in which the front side edge of the front inner case 142 is located is smaller than the radius of the circle in which the front side edge of the front outer case 141 is located.
In some embodiments of the present invention, the front inner housing 142 extends from back to front along a first curve 150. Fig. 4 is a schematic block diagram of a first curve according to one embodiment of the present invention. The first curve 150 includes a first section 151 and a second section 152 which are sequentially disposed from the rear to the front and smoothly connected, and the first section 151 and the second section 152 are separated along a dotted line in fig. 4. The first section 151 is a circular arc curve, and the center of the circle where the first section 151 is located outside the first section 151. That is, the first section 151 is a circular arc curve protruding toward the inside of the inner case 142, on one hand, it is possible to increase the size of the accommodating space in the annular case 10, thereby facilitating the installation of the annular heat exchanger 20 and the annular ion wind generating device 30, and on the other hand, it is also possible to gradually expand the central ring hole 130 from back to front, i.e., the cross-sectional area of the central ring hole 130 cut along a plane perpendicular to the front-rear direction is gradually increased from back to front, so that the air flow is sent out in a diffused shape after passing through the central ring hole 130, thereby promoting the mixing between the non-heat exchanging air flow sent out through the central ring hole 130 and the heat exchanging air flow sent out through the annular air outlet 120, improving the mixing effect, and further expanding the air supply range.
Further, the second section 152 may be a straight line; the second section 152 may also be a circular arc curve, where the center of the circle where the second section 152 is located inside the second section 152, that is, the second section 152 is a circular arc curve protruding toward the outside of the inner housing 142. Further, the second section 152 extends a much smaller length than the first section 151.
In some embodiments of the present invention, the front outer case 141 extends from rear to front along the second curve 160. Fig. 5 is a schematic block diagram of a second curve according to one embodiment of the present invention. The second curve 160 includes a third section 161 and a fourth section 162 which are sequentially disposed from the rear to the front and smoothly connected, and the third section 161 and the fourth section 162 are separated along a dotted line in fig. 5. The third section 161 is a circular arc curve, and the center of the circle where the third section 161 is located inside the third section 161. That is, the third section 161 is a circular arc curve protruding toward the outside of the front outer case 141, thereby being matched with the first section 151 of the front inner case 142, further increasing the size of the receiving space of the annular case 10, and also improving the external aesthetic effect of the annular case 10.
Further, the fourth section 162 may be a straight line; the fourth section 162 may also be a circular arc curve, and the center of the circle where the fourth section 162 is located outside the fourth section 162, that is, the fourth section 162 is a circular arc curve protruding toward the inside of the outer housing 142. Further, the fourth section 162 extends a length substantially less than the length of the third section 161. Thus, the fourth section 162 may form a constriction portion with a rapidly reduced cross-sectional area on the inner side of the annular air outlet 120 in cooperation with the second section 152 of the front inner housing 142, so as to increase the air outlet speed of the annular air outlet 120.
In some embodiments of the present invention, the indoor unit 1 further includes an annular purifying module 40, and the annular purifying module 40 is disposed in the airflow direction in the annular casing 10, for performing purifying operations such as dust removal and sterilization on the airflow flowing to the annular air outlet 120.
Further, the annular heat exchanger 20, the annular ion wind generating device 30, and the annular purification module 40 are disposed in the annular housing 10 in this order from the back to the front. Thereby, the ring-shaped ion wind generating device 30 generates ion wind under high pressure while harmful gas such as ozone, which may be additionally generated, can be absorbed or adsorbed by the ring-shaped purification module 40 before being fed into the room, enhancing the purification effect.
In alternative embodiments, the annular heat exchanger 20, the annular ion wind generating device 30, and the annular purification module 40 may be arranged in other orders within the annular housing 10. For example, the annular heat exchanger 20 may be disposed between the annular ion wind generating device 30 and the annular purification module 40.
Because the heat exchanger of the invention is the annular heat exchanger 20 which is matched with the shape inside the annular shell 10, the condensed water generated on the heat exchanger drips under the action of self gravity, so how to collect the condensed water generated by the annular heat exchanger 20 and avoid the condensed water from dropping on the radiating fins is a difficult problem of the design of the air conditioner indoor unit 1 which is approximately annular. For this purpose, the air conditioning indoor unit 1 of the present invention is also specifically designed with a condensed water collecting device 80 for collecting condensed water generated on each section of the annular heat exchanger 20 and discharging to the outside of the annular casing 10.
Fig. 7 is a schematic structural view of an assembled ring heat exchanger and condensate water collecting apparatus according to one embodiment of the present invention, and fig. 8 is a schematic structural exploded view of the condensate water collecting apparatus according to one embodiment of the present invention. The condensate water collecting device 80 has an upper drain pan 81, a lower drain pan 82, and a water guide pipe 83. The upper water receiving tray 81 is disposed inside the upper half of the ring heat exchanger 20 in the circumferential direction of the ring heat exchanger 20 for collecting condensed water generated from the upper half of the ring heat exchanger 20. The lower water receiving tray 82 is disposed at an outer side of the lower half of the ring heat exchanger 20 in a circumferential direction of the ring heat exchanger 20 to collect at least condensed water generated at the lower half of the ring heat exchanger 20. The water guide pipe 83 communicates the upper and lower water receiving trays 81 and 82 for guiding the condensed water collected by the upper water receiving tray 81 to the lower water receiving tray 82 so as to be directly or indirectly discharged to the outside of the ring-shaped casing 10 through the lower water receiving tray 82.
The separation surfaces of the upper half and the lower half of the annular heat exchanger 20 are planes passing through the geometric center of the annular casing 10 and extending in the horizontal direction. The inside of a certain component (e.g. the annular heat exchanger 20) means its side close to the geometric center of the annular housing 10, and correspondingly the outside of a certain component (e.g. the annular heat exchanger 20) means its side remote from the geometric center of the annular housing 10.
Specifically, in the embodiment shown in fig. 7, the annular heat exchanger 20 is a circular annular heat exchanger. Therefore, the contour line of the upper water pan 81 is substantially in the shape of an upwardly convex semicircle, and the contour line of the lower water pan 82 is substantially in the shape of a downwardly convex semicircle.
From this, the comdenstion water that the upper half of annular heat exchanger 20 produced drops under its own gravity effect on the upper water collector 81 that is located annular heat exchanger 20 inboard, the comdenstion water that the lower half of annular heat exchanger 20 produced drops under its own gravity effect on the lower water collector 82 that is located annular heat exchanger 20 outside, the comdenstion water that collects on the upper water collector 81 is guided to lower water collector 82 through aqueduct 83 to discharge annular casing 10, on the one hand, avoided the comdenstion water that the upper half of annular heat exchanger 20 produced to drop on its lower half or fan 60, on the other hand, can also in time discharge the comdenstion water, avoid annular casing 10 in-house ponding and bring the potential safety hazard.
In some embodiments of the present invention, the condensed water collecting device 80 further includes a drain pipe 84 which communicates the lower drip tray 82 with the outer space of the annular casing 10 to drain the condensed water on the lower drip tray 82 to the outside of the annular casing 10.
Specifically, the bottom of the lower drip tray 82 has a drain hole 821 for draining condensed water therein, and a drain pipe 84 is connected to the drain hole 821 and extends to the outside of the annular casing 10 by being bent backward under the lower drip tray 82. Thus, the drain pipe 84 can be hidden at the rear side of the annular casing 10, so as to facilitate the appearance of the indoor unit 1.
In some embodiments of the present invention, the end of the upper water receiving tray 81 has a water collecting groove 811 at the outside to allow condensed water received by the upper water receiving tray 81 to be collected in the water collecting groove 811 along the outer surface 81a thereof. A through hole 812 is formed in the bottom wall of the water collecting tank 811, and the upper end of the water guide pipe 83 communicates with the through hole 812 to allow condensed water in the water collecting tank 811 to flow into the water guide pipe 83 through the through hole 812.
Further, the water guide pipe 83 extends downward from the upper end thereof to the rear side of the annular heat exchanger 20 in a backward bent manner, and extends downward vertically or obliquely to the inner surface 82a of the lower water pan 82 at the rear side of the annular heat exchanger 20 so as to be hidden at the rear side of the annular heat exchanger 20, thereby facilitating the improvement of the external appearance of the indoor unit 1 of the air conditioner.
Fig. 9 is a schematic cross-sectional view of the upper water pan taken along section line X-X in fig. 8. In some embodiments of the present invention, any of the sections of the upper drip tray 81 taken in the radial direction thereof has an arc-shaped curve S convexly curved toward the inside thereof. That is, the upper drip tray 81 extends in the front-rear direction along an arc-shaped curve S protruding toward the inside thereof. In other words, the outer surface of the upper drip tray 81 for receiving the condensed water is a curved surface recessed toward the geometric center of the upper drip tray 81, thereby facilitating collection of the condensed water without structural interference with the front inner case 142.
Further, the arc-shaped curve S may be a circular arc-shaped curve, and the diameter of the circle on which the circular arc-shaped curve is located may be any value ranging from 30 to 45mm, for example, 30mm, 33mm, 36mm, 39mm, 42mm or 45mm.
Fig. 10 is a schematic cross-sectional view of the lower drip tray and the drain tube taken along section line Y-Y in fig. 8. In some embodiments, any cross-section of the lower drip tray 82 taken along its radial direction has a convexly curved profile toward its outer side, which includes a middle circular arc section 822 and two inclined straight sections 823 symmetrically connected to the front and rear sides of the middle circular arc section 822. The lower drip tray 82 having the inclined straight line section has a larger inclination angle and slope than the drip tray having a circular arc-shaped cross section, and the flow rate of condensed water thereon is faster, so that the condensed water can be collected and discharged more quickly. Since the lower drip pan 82 is outside the annular heat exchanger 20, it is not considered to interfere with the structure of the front inner case 142.
Further, the ratio between the length of each straight line section 823 and the diameter of the circle in which the middle circular arc section 822 is located is any ratio ranging from 1:1 to 1:2, for example, 1:1, 1:1.3, 1:1.5, 1:1.7, 1:1.9 or 1:2, so as to further facilitate the collection of condensed water.
In some embodiments of the present invention, the annular heat exchanger 20 may include refrigerant tubes 21, heat exchange fins 22 penetrating the refrigerant tubes 21, an inner tube plate 23 disposed inside the heat exchange fins 22, and an outer tube plate 24 disposed outside the heat exchange fins 22, the refrigerant tubes 21 being supported between the inner tube plate 23 and the outer tube plate 24, the outer tube plate 24 being connected to the annular housing 10. Specifically, the outer tube plate 24 may be fastened to the rear housing 143 by screws or other suitable means. The upper drip tray 81 is connected to the inner tube panel 23 and the lower drip tray 82 is connected to the outer tube panel 24. The upper drip tray 81 and the inner tube panel 23, and the lower drip tray 82 and the outer tube panel 24 may be fastened by screws or other suitable means.
In some embodiments of the present invention, the number of the water guide pipes 83 may be two, and both ends of the upper water receiving tray 81 are respectively communicated with the lower water receiving tray 82 through the two water guide pipes 83. Each end of the upper drip tray 81 is provided with a water collecting trough 811.
In some embodiments of the present invention, the air conditioning indoor unit 1 is a desk top air conditioning indoor unit. The bottom of the ring-shaped casing 10 has a flat surface 1431 so as to be placed directly on the table top. In the embodiment shown in fig. 1 to 3, the air conditioning indoor unit 1 may also include a base 70 disposed below the annular casing 10 for supporting the annular casing 10 on which the annular heat exchanger 20, the annular ion wind generating device 30, and the blower fan 60 are mounted.
When the indoor unit 1 of the air conditioner is a desktop indoor unit of the air conditioner, the heights of the annular air outlet 120 and the central ring hole 130 are just in the middle of the height of a human body, so that the defects of long heating and refrigerating time caused by rising hot air flow and sinking cold air flow in refrigeration in the traditional air conditioner heating process are overcome.
It should be understood by those skilled in the art that, unless specifically stated otherwise, terms such as "inner", "outer", "transverse", "front", "rear", etc. used in the embodiments of the present invention are used to indicate directions or positional relationships with reference to the actual use state of the indoor unit 1, and these terms are merely for convenience of description and understanding of the technical solution of the present invention, and do not indicate or imply that the device or component to be referred to must have a specific direction, and therefore should not be construed as limiting the present invention.
By now it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described herein in detail, many other variations or modifications of the invention consistent with the principles of the invention may be directly ascertained or inferred from the present disclosure without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.
Claims (9)
1. An indoor unit of an air conditioner, wherein the indoor unit of the air conditioner is a desktop air conditioner, and comprises:
the annular shell is provided with a central ring hole which is penetrated from front to back, an annular air inlet grille which is positioned at the rear side and distributed along the circumferential direction of the central ring hole, and an annular air outlet which is positioned at the front side and distributed along the circumferential direction of the annular air inlet grille;
an annular heat exchanger disposed inside the annular housing and configured to controllably exchange heat with an air flow entering the annular housing via the annular air inlet grille;
the annular ion wind generating device is arranged in the annular casing and is configured to controllably promote airflow in the annular casing to flow towards the annular air outlet so as to form ion wind; and
the fan is arranged in the central ring hole and is configured to controllably promote indoor natural wind which is not subjected to heat exchange to jet from back to front through the central ring hole and mix with the air flow which is sent out through the annular air outlet and subjected to heat exchange; wherein the method comprises the steps of
The front port and the rear port of the central ring hole are respectively provided with an air outlet grille and an air inlet grille.
2. An indoor unit for an air conditioner according to claim 1, wherein,
the fan is an axial flow fan, and the axis of the axial flow fan coincides with the axis of the central ring hole.
3. An indoor unit for an air conditioner according to claim 1, wherein,
the annular shell comprises an annular front outer shell, an annular front inner shell and an annular rear shell;
the front inner shell is arranged inside the front outer shell, and a gap is reserved between the front inner shell and the shell wall of the front outer shell; and is also provided with
The rear housing has an inner side edge and an outer side edge extending in a circumferential direction thereof, the rear side of the front inner housing is connected to the inner side edge of the rear housing, the rear side of the front outer housing is connected to the outer side edge of the rear housing, so that a containing space is defined between the rear housing, the front inner housing and the front outer housing, and the annular heat exchanger and the annular ion wind generating device are both installed in the containing space.
4. An indoor unit for an air conditioner according to claim 3, wherein,
the front inner casing and the front outer casing each have a front side edge extending in a respective circumferential direction thereof, the annular air outlet being formed between the front side edges of the front inner casing and the front outer casing; and is also provided with
The annular air inlet grille is formed on the rear housing.
5. An indoor unit for an air conditioner according to claim 3, wherein,
the front inner shell extends forwards from back to front along a first curve, the first curve comprises a first section and a second section which are sequentially arranged from back to front and are smoothly connected, the first section is a circular arc curve, and the circle center of a circle where the first section is located outside the first section; and/or
The front outer shell extends forwards from back to front along a second curve, the second curve comprises a third section and a fourth section which are sequentially arranged from back to front and are smoothly connected, the third section is a circular arc curve, and the circle center of a circle where the third section is located inside the third section.
6. The indoor unit of claim 1, further comprising:
the annular purifying module is arranged in the airflow flowing direction in the annular shell and is used for purifying airflow flowing to the annular air outlet; and is also provided with
The annular heat exchanger, the annular ion wind generating device and the annular purifying module are sequentially arranged in the annular casing from back to front.
7. The indoor unit of claim 1, further comprising a condensate water collecting device having:
the upper water receiving disc is arranged on the inner side of the upper half part of the annular heat exchanger along the circumferential direction of the annular heat exchanger and is used for collecting condensed water generated by the upper half part of the annular heat exchanger;
the lower water receiving disc is arranged on the outer side of the lower half part of the annular heat exchanger along the circumferential direction of the annular heat exchanger and is at least used for collecting condensed water generated by the lower half part of the annular heat exchanger; and
and the water guide pipe is communicated with the upper water receiving disc and the lower water receiving disc, and is used for guiding condensed water collected by the upper water receiving disc to the lower water receiving disc, so that the condensed water is directly or indirectly discharged to the outside of the annular shell through the lower water receiving disc.
8. The indoor unit of claim 7, wherein the indoor unit of the air conditioner,
any section of the upper water receiving disc taken along the radial direction of the upper water receiving disc is an arc-shaped curve which is convexly curved towards the inner side of the upper water receiving disc; and/or
Any section of the lower water pan taken along the radial direction of the lower water pan is a curve convexly curved towards the outer side of the lower water pan, and the curve comprises a middle circular arc section and two inclined straight line sections symmetrically connected to the front side and the rear side of the middle circular arc section.
9. An indoor unit for an air conditioner according to claim 1, wherein,
the bottom of the annular shell is provided with a plane so as to be directly placed on a supporting surface; or alternatively
The indoor unit of the air conditioner further comprises a base arranged below the annular casing, and the base is used for supporting the annular casing provided with the annular heat exchanger, the annular ion wind generating device and the fan.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134825.0A CN108286742B (en) | 2018-02-09 | 2018-02-09 | Indoor unit of air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810134825.0A CN108286742B (en) | 2018-02-09 | 2018-02-09 | Indoor unit of air conditioner |
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| CN108286742A CN108286742A (en) | 2018-07-17 |
| CN108286742B true CN108286742B (en) | 2023-05-26 |
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| CN108286742A (en) | 2018-07-17 |
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Effective date of registration: 20230512 Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. |
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