CN108194991B - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
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- CN108194991B CN108194991B CN201810136771.1A CN201810136771A CN108194991B CN 108194991 B CN108194991 B CN 108194991B CN 201810136771 A CN201810136771 A CN 201810136771A CN 108194991 B CN108194991 B CN 108194991B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 96
- 150000002500 ions Chemical class 0.000 description 45
- 238000004378 air conditioning Methods 0.000 description 22
- 238000010586 diagram Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 238000000746 purification Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
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- 230000005484 gravity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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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
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0029—Axial fans
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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
- F24F13/082—Grilles, registers or guards
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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
-
- 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
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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
- F24F13/24—Means for preventing or suppressing noise
-
- 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
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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
- F24F2013/205—Mounting a ventilator fan therein
-
- 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
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (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 first 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; a second heat exchanger disposed in the central annular aperture and configured to controllably exchange heat with air flowing therethrough; and a fan disposed in the central ring hole and configured to controllably urge indoor air from back to front into the central ring hole and through the second heat exchanger to blow out. The air conditioner has the advantages of wide indoor air supply range, large air supply amount, attractive appearance and low noise.
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, air supply is carried out by using a cross-flow fan, an axial flow fan or a centrifugal fan, and an 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 influenced, and particularly, for a desktop air conditioner indoor unit placed on a desktop, the uncomfortable experience is more prominent because the driving part is 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, a large air supply amount and an 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;
a first heat exchanger disposed inside the annular enclosure and configured to controllably exchange heat with an air flow entering the annular enclosure 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;
a second heat exchanger disposed in the central annular aperture and configured to controllably exchange heat with air flowing therethrough; and
and the fan is arranged in the central ring hole and is configured to controllably promote indoor air to enter the central ring hole from back to front and flow through the second heat exchanger to be blown out forwards.
Optionally, the first heat exchanger is an annular heat exchanger matching with the shape of the interior of the annular casing, the second heat exchanger is a plate-shaped heat exchanger matching with the shape of a partial section of the central ring hole, and the second heat exchanger is perpendicular to an axis of the central ring hole extending in the front-rear direction; and/or
The fan is an axial flow fan, and the axis of the axial flow fan coincides with the 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 along a circumferential direction thereof, a rear side of the front inner housing is connected to the inner side edge of the rear housing, and a 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 first 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, and the first section is a circular arc curve; the circle center of the circle where the first section is located at the outer side of 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, and the third section is a circular arc curve; and the center of the circle where the third section is positioned at the inner side of 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 first heat exchanger, the annular ion wind generating device and the annular purifying module are sequentially arranged in the annular shell 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 first heat exchanger along the circumferential direction of the first 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 first heat exchanger along the circumferential direction of the first heat exchanger and is at least used for collecting condensed water generated by the lower half part of the first 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 annular ion wind generating device and the fan are configured to be selectively started or simultaneously started in a controlled manner, so that the air conditioner indoor unit has a mute mode of driving air supply only through the annular ion wind generating device, a large air volume mode of driving air supply only through the fan or a super strong air supply mode of driving air supply simultaneously through the annular ion wind generating device and the fan.
Optionally, the indoor unit of the air conditioner is a desktop indoor unit of the air conditioner.
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 front and back through central ring hole of the annular shell is internally provided with a fan and a second heat exchanger, so that the central ring hole forms a heat exchange air duct which directly enters and exits, and the wind resistance and the pressure loss are smaller, so that the air supply quantity is larger.
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, air flow is sent out through the central ring hole, loss is small, and at the moment, the air conditioner indoor unit can work in a large air volume 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, and air flows are sent out from the front sides of the annular air outlet and the central ring hole, so that the air supply quantity is greatly increased, and the air conditioner indoor unit can work in a super-strong 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 first 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 a first heat exchanger assembled 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, the air conditioning indoor unit 1 of the present invention includes an annular casing 10, a first heat exchanger 20, an annular ion wind generating device 30, a second heat exchanger 50, 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 annular casing 10 has an annular air inlet grill 110 located at a rear side thereof and distributed along a circumferential direction thereof, and an annular 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 annular 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 annular air inlet grille 110 is formed with a plurality of air inlets which are uniformly distributed along the circumferential direction of the annular casing 10. The annular air inlet grille 110 is preferably in the shape of a closed ring, and the annular air inlet grille 110 is distributed over the entire 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 first 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 through the annular air inlet grille 110, so as to change the air flow into a heat exchanged air flow with 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 exchanging heat through the first 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 second heat exchanger 50 is disposed in the center hole 130 and configured to controllably exchange heat with air flowing therethrough so as to be changed 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 blower 60 is disposed in the center collar hole 130 and is configured to controllably urge indoor air from back to front into the center collar hole 130 and back to front through the second heat exchanger 50. 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 end opening of the central ring hole 130 is provided with an air outlet grille 132, and the shape of the air outlet grille 132 is matched with that of the front end opening of the central ring hole 130, so that the use safety of the air conditioner indoor unit 1 is improved, and the aesthetic feeling of the appearance is improved.
Because the central ring hole 130 is a through passage formed in the center of the entire annular casing 10 and extending forward and backward, after the fan 60 and the second heat exchanger 50 are specifically designed in the central ring hole 130, the central ring hole 130 can form a straight-in and straight-out (i.e. back-in and front-out) air duct, and the wind resistance and the pressure loss are relatively small, so that the air supply quantity of the air conditioning indoor unit 1 can be greatly improved. Meanwhile, the arrangement of the blower 60 and the second heat exchanger 50 does not increase the thickness of the air conditioning indoor unit 1 in the front-rear direction, so that the air conditioning indoor unit 1 is more elaborate.
In some embodiments of the present invention, the first heat exchanger 20 is a ring heat exchanger that matches the shape of the interior of the ring housing 10. Since the axis of the annular casing 10 extends in the front-rear direction, the axes of the first heat exchanger 20 and the annular ion wind generating device 30 also extend in the front-rear direction, and the first heat exchanger 20 and the annular ion wind generating device 30 also have inner and outer contours, which are also annular closed curves in the 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 first 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 first 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 contour and the inner contour of the annular housing 10, the first heat exchanger 20, and the annular ion wind generating device 30 are each in the shape of a ring with center axes coincident.
Further, the second heat exchanger 50 is a plate-shaped heat exchanger that matches the shape of a partial section of the center turn hole 130, and the second heat exchanger 50 is perpendicular to an axis of the center turn hole 130 extending in the front-rear direction. Specifically, the cross-sectional shape of the center ring hole 130 taken along a plane perpendicular to the front-rear direction is similar to the shape enclosed by the inner contour of the annular housing 10, and may be, for example, circular, elliptical, heart-shaped, or other attractive shape. In the embodiment shown in fig. 2, the second heat exchanger 50 is in the shape of a circular plate, i.e., a disc.
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 ring-shaped ion wind generating means 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 ring-shaped ion wind generating means 30, a large air volume mode in which the air supply is driven only by the blower 60, or a super strong air supply mode in which the air supply is driven simultaneously by the ring-shaped ion wind generating means 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 first 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 and is sent out from the front port of the central hole 130 after heat exchange by the second heat exchanger 50, and the loss is small because the air flow is directly in and out, and at this time, the air conditioner indoor unit 1 can work in a large air volume mode.
When the annular ion wind generating device 30 and the fan 60 are started to operate simultaneously, the air supply systems of the two are connected in parallel, and air flows are sent out from the front sides of the annular air outlet 120 and the central ring hole 130, so that the air supply quantity is greatly increased, and the air conditioner indoor unit 1 can work in a super-strong 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 first 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 circular 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 annular air inlet grille 110 is opened in a region of the housing wall of the rear housing 143 that projects furthest rearward.
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 shapes of the first heat exchanger 20 and the annular ion wind generating device 30 are defined by 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 first 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, which is cut off along a plane perpendicular to the front-rear direction, gradually increases from back to front, so that the airflow is sent out in a diffused shape after flowing through the central ring hole 130, thereby promoting the mixing between the non-heat exchanging airflow sent out through the central ring hole 130 and the heat exchanging airflow sent out through the annular air outlet 120, improving the mixing effect, thereby 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 first heat exchanger 20, the annular ion wind generating device 30, and the annular purification module 40 are disposed in this order from the back to the front in the annular casing 10. 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 first 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 first heat exchanger 20 may be disposed between the annular ion wind generating device 30 and the annular purification module 40.
Because the first heat exchanger 20 of the present invention is an annular heat exchanger matching the shape of the inside of the annular casing 10, the condensed water generated on the heat exchanger drops under the action of its own weight, so how to collect the condensed water generated by the first heat exchanger 20 and avoid the condensed water from dropping on the radiating fins is a difficulty in designing the air conditioning indoor unit 1 in a substantially annular shape. 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 first 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 first heat exchanger 20 in the circumferential direction of the first heat exchanger 20 for collecting condensed water generated from the upper half of the first heat exchanger 20. The lower water receiving tray 82 is disposed at an outer side of the lower half of the first heat exchanger 20 in a circumferential direction of the first heat exchanger 20 to collect at least condensed water generated at the lower half of the first 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 and lower halves of the first 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 first 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 first 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 first heat exchanger 20 is a circular ring 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 first heat exchanger 20 first half produced drops under its own gravity on being located the inboard upper water collector 81 of first heat exchanger 20, the comdenstion water that first heat exchanger 20 second half produced drops under its own gravity on being located the lower water collector 82 of first 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, on the other hand, the comdenstion water that has avoided first heat exchanger 20 first half to produce drops on its second half, fan 60 or second heat exchanger 50, on the other hand can also in time discharge the comdenstion water, avoid annular casing 10 to exist 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 to the rear side of the first 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 first heat exchanger 20 so as to be hidden at the rear side of the first heat exchanger 20, so as to facilitate 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 of the present invention, any cross section of the lower drip tray 82 taken in the radial direction thereof is a curve convexly curved toward the outside thereof, the curve including a middle circular arc section 822 and two inclined straight line 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 tray 82 is located outside the first 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 first 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 with the annular casing 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, the second heat exchanger 50, 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;
a first heat exchanger disposed inside the annular enclosure and configured to controllably exchange heat with an air flow entering the annular enclosure 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;
a second heat exchanger disposed in the central annular aperture and configured to controllably exchange heat with air flowing therethrough; and
a fan disposed in the central ring hole and configured to controllably urge indoor air from back to front into the central ring hole and through the second heat exchanger to blow out; wherein the method comprises the steps of
An air outlet grille is arranged at the front port of the central ring hole.
2. An indoor unit for an air conditioner according to claim 1, wherein,
the first heat exchanger is an annular heat exchanger matched with the shape of the interior of the annular shell, the second heat exchanger is a plate-shaped heat exchanger matched with the shape of a part section of the central ring hole, and the second heat exchanger is perpendicular to an axis of the central ring hole extending along the front-back direction; and/or
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 along a circumferential direction thereof, a rear side of the front inner housing is connected to the inner side edge of the rear housing, and a 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 first 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, and the first section is a circular arc curve; the circle center of the circle where the first section is located at the outer side of 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, and the third section is a circular arc curve; and the center of the circle where the third section is positioned at the inner side of 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 first heat exchanger, the annular ion wind generating device and the annular purifying module are sequentially arranged in the annular shell from back to front.
7. The indoor unit of claim 2, 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 first heat exchanger along the circumferential direction of the first 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 first heat exchanger along the circumferential direction of the first heat exchanger and is at least used for collecting condensed water generated by the lower half part of the first 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 annular ion wind generating device and the fan are configured to be selectively started or simultaneously started in a controlled manner, so that the indoor unit of the air conditioner has a mute mode of driving air supply only through the annular ion wind generating device, a large air volume mode of driving air supply only through the fan or a super strong air supply mode of driving air supply simultaneously through the annular ion wind generating device and the fan.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810136771.1A CN108194991B (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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| CN201810136771.1A CN108194991B (en) | 2018-02-09 | 2018-02-09 | Indoor unit of air conditioner |
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| CN108194991B true CN108194991B (en) | 2023-06-23 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110887118B (en) * | 2018-09-07 | 2023-12-22 | 青岛海尔空调器有限总公司 | Indoor unit of cabinet air conditioner |
| CN110887119B (en) * | 2018-09-07 | 2023-12-22 | 青岛海尔空调器有限总公司 | Indoor unit of cabinet air conditioner |
| CN110887115B (en) * | 2018-09-07 | 2023-12-22 | 青岛海尔空调器有限总公司 | Indoor unit of cabinet air conditioner |
| CN110887114B (en) * | 2018-09-07 | 2023-12-22 | 青岛海尔空调器有限总公司 | Indoor unit of cabinet air conditioner |
| CN110887116B (en) * | 2018-09-07 | 2023-12-22 | 青岛海尔空调器有限总公司 | Indoor unit of cabinet air conditioner |
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| CN108194991A (en) | 2018-06-22 |
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Inventor after: Shan Cuiyun Inventor after: Wang Yongtao Inventor after: Wang Pengchen Inventor after: Guan Tingting Inventor before: Shan Cuiyun Inventor before: Wang Yongtao Inventor before: Wang Pengcheng Inventor before: Guan Tingting |
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Effective date of registration: 20230602 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 Smart Home 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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