CN110056961B - Wall-mounted air conditioner indoor unit - Google Patents
Wall-mounted air conditioner indoor unit Download PDFInfo
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- CN110056961B CN110056961B CN201910364707.3A CN201910364707A CN110056961B CN 110056961 B CN110056961 B CN 110056961B CN 201910364707 A CN201910364707 A CN 201910364707A CN 110056961 B CN110056961 B CN 110056961B
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- 238000007664 blowing Methods 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000005057 refrigeration Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 description 9
- 230000001965 increasing effect Effects 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002708 enhancing effect Effects 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
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
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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
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
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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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- 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 provides a wall-mounted air conditioner indoor unit, which comprises a volute, wherein an air outlet duct for communicating an air inlet with an air outlet is limited in the volute, the air outlet duct is provided with an upper duct wall and a lower duct wall, the upper duct wall comprises a front guide straight section positioned on the front side, the front end of the front guide straight section and the front end of the lower duct wall define an air outlet, and the front guide straight section extends upwards from back to front so as to guide the airflow of the air outlet duct to the front upper part, thereby realizing the upward blowing of cold air, avoiding the direct blowing of cold air to a human body and improving the air supply comfort.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a wall-mounted air conditioner indoor unit.
Background
Traditional wall-hanging air conditioning indoor set, during the refrigeration mode, generally to the lower direction blow off cold wind, because cold wind density is big, has the trend of sinking, descends rapidly and leads to cold wind to blow directly the human body, causes human discomfort, brings not good air supply for the user and experiences.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a wall-mounted air conditioning indoor unit capable of blowing cool air upward.
The invention further aims to improve the air guiding performance of the air guide plate, increase the upward blowing angle of cold air and realize downward blowing of hot air.
The invention provides a wall-mounted air conditioner indoor unit, which comprises:
a housing formed with an air inlet and an air outlet;
a volute, wherein an air outlet duct which is used for communicating the air inlet with the air outlet is limited in the volute, and the air outlet duct is provided with an upper duct wall and a lower duct wall;
the upper air duct wall comprises a front guide straight section positioned on the front side, and the front end of the front guide straight section and the front end of the lower air duct wall define an air outlet;
the front guide straight section extends upwards from back to front so as to guide the airflow of the air outlet duct to the front upper part.
Optionally, the upper duct wall further comprises a rear guide straight section connected with the rear end of the front guide straight section and a volute tongue section connected with the rear end of the rear guide straight section;
the included angle between the extension lines of the front guide straight section and the rear guide straight section is 20-35 degrees.
Optionally, the rear guide straight section extends downward from rear to front.
Optionally, the indoor unit further includes:
the air deflector is arranged at the air outlet and is configured to controllably rotate around a rotating shaft extending transversely so as to adjust the airflow direction of the air outlet;
the aviation baffle includes:
a main plate section having two opposite side edges in a width direction thereof;
the extension plate section is connected with one side edge of the main plate section, and the inner air guide surface of the extension plate section and the inner air guide surface of the main plate section are arranged at an angle which is an obtuse angle.
Optionally, the angle is 156 ° to 176 °.
Optionally, the ratio of the width dimension of the extension plate segment to the width dimension of the main plate segment is 0.13 to 0.17.
Optionally, the thickness dimension of the main plate section gradually decreases from the middle position to the two side directions in the width direction thereof.
Optionally, the thickness dimension of the main plate section is a maximum of 5mm to 20 mm.
Optionally, in the cooling mode, the air deflector is configured to controllably rotate around the rotating shaft to a first position, the extension plate section of the air deflector in the first position is located in front of the main plate section, and the air deflector is configured to guide the airflow of the air outlet to the front upper side.
Optionally, in the heating mode, the air deflector is configured to controllably rotate around the rotating shaft to a second position, the extended plate section of the air deflector in the second position is located above the main plate section, and the air deflector is configured to guide the air flow of the air outlet downward.
According to the wall-mounted air conditioner indoor unit, the upper air duct wall of the air outlet duct is provided with the front guide straight section which extends upwards in an inclined mode, air flow of the air outlet duct can be guided towards the front upper side, upward blowing of cold air is achieved, a human body is prevented from being directly blown by the cold air, and air supply comfort is improved.
Furthermore, in the wall-mounted air conditioner indoor unit, the air deflector has a special design structure, can be matched with the upper air duct wall of the air outlet duct to increase the upward blowing angle of cold air, can realize downward blowing of hot air, and provides more comfortable air supply experience for users.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic view of an indoor unit according to an embodiment of the present invention, in which an air deflector is in a first position;
fig. 2 is a schematic view of an indoor unit according to an embodiment of the present invention, in which an air deflector is in a second position; and
figure 3 is a schematic view of a wind deflector according to one embodiment of the present invention.
Detailed Description
The present embodiment provides a wall-mounted type air conditioning indoor unit 100. An air conditioning indoor unit 100 of the present embodiment is described below with reference to fig. 1 to 3. In the following description, as shown in fig. 1 and 2, the directions or positional relationships indicated by "front", "rear", "upper", "lower", and the like are directions with reference to the use state of the air conditioning indoor unit 100.
As shown in fig. 1 and 2, the indoor unit 100 of the air conditioner generally includes a casing 110, a heat exchanger 120 disposed in the casing 110, a volute, and a blower 130 disposed in the volute, wherein the blower 130 may be a cross-flow blower.
The housing 110 is formed with an inlet 110a and an outlet 110 b. Generally, the intake vent 110a is located at the top of the housing 110, and the exhaust vent 110b is located at the bottom of the housing 110. An air outlet duct 150 is defined in the scroll casing to communicate the air inlet 110a with the air outlet 110b, and the air outlet duct 150 has an upper duct wall 152 and a lower duct wall 151.
The heat exchanger 120 is generally located in the air supply path between the air inlet 110a and the air blower 130, and may be configured to exchange heat with air flowing therethrough to change the temperature of the air flowing therethrough into heat exchange air. The blower 130 may be configured to cause indoor air, which is introduced from the air inlet 110a, to flow toward the heat exchanger 120, and to cause heat-exchanged air, which is heat-exchanged by the heat exchanger 120, to flow toward the air outlet 110b via the blower 130 and the air outlet duct 150.
In this embodiment, as shown in fig. 1, the upper duct wall 152 includes a front guiding straight section 1521 located at the front side, and the front end of the front guiding straight section 1521 and the front end of the lower duct wall 151 define an air outlet 110 b. Particularly, the front guiding straight section 1521 extends upward from back to front to guide the airflow of the air outlet duct 150 to the front upper side, that is, the front guiding straight section 1521 is designed to be in an upward shape, so that in the cooling mode, the cold air can flow from the air outlet 110b to the front upper side, thereby preventing the cold air from blowing the human body directly and improving the air supply comfort.
As shown in fig. 1, the upper duct wall 152 further includes a rear guiding straight section 1522 connected to the rear end of the front guiding straight section 1521 and a volute section 1523 connected to the rear end of the rear guiding straight section 1522, and an angle a between the front guiding straight section 1521 and the extension line of the rear guiding straight section 1522 is 20 ° to 35 °, for example, a may be 20 °, 25 °, 30 °, and the like. Thus, the air outlet duct 140 has a coanda effect for guiding the upward deflection of the air flow at the duct profile near the air outlet 110b, so that the cold air is deflected upward at a large angle and then circulates indoors, thereby realizing the shower-type refrigeration experience. In addition, the included angle a is defined in the aforementioned range, so that the transition of the upper duct wall 152 between the front guide straight section 1521 and the rear guide straight section 1522 is smooth, the airflow resistance is small, and smooth flow of the airflow is facilitated.
To provide a smooth transition of the uptake wall 152 between the volute tongue section and the rear guiding straight section 1522, the rear guiding straight section 1522 may extend downward from rear to front.
In order to further improve the air supply comfort, the embodiment further provides a specially designed air deflector 140, and the refrigeration/heating effect is greatly improved through the cooperation of the air deflector 140 and the air outlet duct 150.
Specifically, as shown in fig. 3 in combination with fig. 1 and 2, the air guiding plate 140 is disposed at the air outlet 110b and configured to be controllably rotated around a transversely extending rotating shaft 101 to adjust the airflow direction of the air outlet 110 b.
Specifically, the air guiding plate 140 of the present embodiment includes a main plate section 141 and an extension plate section 142, and the main plate section 141 and the extension plate section 142 may be integrally formed. The main board section 141 has two opposite sides in the width direction, the extension board section 142 is connected to one side of the main board section 141, and the inner wind guiding surface 1421 of the extension board section 142 and the inner wind guiding surface 1411 of the main board section 141 form an angle b, and the angle b is an obtuse angle. Therefore, the air deflector 140 with the bent inner air guide surface is formed, namely, an extension section is added on the basis of the existing air deflector, the total width of the air deflector 140 is increased, the guide path of air flow is prolonged, and the air supply distance is increased; moreover, the extending plate section 142 and the main plate section 141 are arranged at an obtuse angle, so that the wind guiding angle of the wind guiding plate 140 is larger.
As shown in fig. 1, when the indoor unit 100 is in the cooling mode, the air deflector 140 can guide the cool air to the front upper side of the indoor unit 100, and due to the special structure of the upper duct wall 152, the cooperation between the upper duct wall 152 and the air deflector 140 further enhances the upward blowing angle of the cool air, thereby enhancing the cooling effect of the indoor unit 100.
As shown in fig. 2, when the indoor unit 100 is in the heating mode, the air deflector 140 can guide most of the air blown out from the air outlet 110b to the lower side of the indoor unit 100, so as to achieve a large angle that the air outlet is 80 ° downward and approaches to the vertical direction, so that the hot air directly reaches the floor, thereby achieving the "warm foot" experience of heating, and greatly increasing the forced heating effect. In addition, because the extension plate section 142 is additionally arranged on the main plate section 141, the air guide path of the air guide plate 140 is prolonged, the downward blowing distance of hot air is increased, and the rapid temperature rise of the lower layer area is further accelerated.
In some embodiments, the ratio of the width dimension of the extension plate segment 142 to the width dimension of the main plate segment 141 is 0.13 to 0.17. The width of the extension plate section 142 is designed to be a specific value according to the width of the main plate section 141, so that the overall width of the air deflector 140 is within a reasonable range, the overall width of the air deflector 140 is increased, the air deflecting path is extended, and the influence on the overall aesthetic property of the indoor unit 100 due to the excessive width of the extension plate section 142 is avoided. The inventor of the present application has creatively found that when the ratio of the width dimension of the extension board section 142 to the width dimension of the main board section 141 is 0.15, the air guiding performance of the air guiding plate 140 is optimal, and the air guiding plate 140 does not appear too abrupt when being opened, so as to enhance the visual experience of the user.
In some embodiments, an angle b between the inner wind guide surface 1421 of the extension plate section 142 and the inner wind guide surface 1411 of the main plate section 141 may be 156 ° to 176 °, so that the overall bending degree of the wind guide plate 140 is small, and when the indoor unit 100 cools, the extension plate section 142 may guide more airflow to the front upper side far away from the indoor unit 100, so that the air supply distance is longer, and the cooling effect is enhanced. More particularly, the inventor of the present application has creatively found that an angle b formed by the inner wind guiding surface 1421 of the extension plate section 142 and the inner wind guiding surface 1411 of the main plate section 141 is preferably 166 °, and the wind guiding plate 140 with such a design angle has a more significant airflow guiding effect, and the air supply distance is longer, so as to further improve the cooling effect of the indoor unit 100.
Further specifically, as shown in fig. 3, the thickness dimension of the main plate section 141 gradually decreases from the middle position to both side directions in the width direction thereof, that is, the main plate section 141 has a shape that is thick in the middle and thin on both sides in the width direction thereof, thereby increasing the extent to which the middle position of the outer wind guide surface 1412 of the main plate section 141 protrudes outward relative to the inner wind guide surface 1411. As shown in fig. 2, when the indoor unit 100 having the air guide plate 140 configured as above heats, the inner air guide surface 1411 of the main plate section 141 guides a part of the hot air blown out from the outlet 110b downward, and the outer air guide surface 1412 of the main plate section 141 guides another part of the hot air blown out from the outlet 110b downward, thereby improving the overall air guide effect of the air guide plate 140 and providing a more comfortable heating experience to the user.
The maximum value d of the thickness dimension of the main plate section 141 may be 5mm to 20mm, that is, the thickness dimension d of the middle position of the main plate section 141 in the width direction thereof is 5mm to 20mm, the thickness is equal to more than 2 times of the thickness of the conventional air deflector, and the main plate section 141 satisfying the design parameter can better guide the hot air downward, and increase the amount of the hot air blown downward.
As shown in fig. 3, the outer wind guide surface 1412 of the main plate segment 141 is a curved surface, and the outer wind guide surface 1422 of the extension plate segment 142 extends in the extending direction of the outer wind guide surface 1412 of the main plate segment 141, that is, the outer wind guide surface 1422 of the extension plate segment 142 extends along the extending direction of the outer wind guide surface 1412 of the main plate segment 141, and the wind guide plate 140, which is overall thick in the middle and thin on both sides, is configured by combining the shape of the main plate segment 141 with a thick middle and thin on both sides, so as to further increase the wind guide effect of the wind guide plate 140.
As described above, in the cooling mode of the indoor unit 100, the air deflector 140 can guide the airflow at the air outlet 110b to the front upper side. Specifically, in the cooling mode of the indoor unit 100, the air deflector 140 is controlled to rotate around the rotating shaft 101 to a first position as shown in fig. 1, the whole air deflector 140 at the first position is in a horizontal or upward inclined state, and as shown in fig. 1, the whole air deflector 140 is in a substantially horizontal position. The extension plate section 142 is located in front of the main plate section 141, and the extension plate section 142 is in an upwardly tilted state.
Part of the cold air blown out from the air outlet 110b flows forward and upward from the space between the inner air guide surface 1411 of the main board section 141, the inner air guide surface 1421 of the extension board section 142 and the upper air duct wall 152 of the air outlet duct 150 in sequence, so that the upward blowing angle of the cold air is larger, and the refrigeration effect is enhanced; furthermore, due to the special design of the air guiding plate 140, part of the cool air can flow forward and upward along the outer air guiding surface 1412 of the main plate section 141 and the outer air guiding surface 1422 of the extension plate section 142 in sequence, so that the cool air blown out from the air outlet 110b can be guided forward and upward more by the specially designed air guiding plate 140, thereby improving the cooling experience of the user.
As described above, the air guide plate 140 may guide the airflow at the outlet 110b downward in the heating mode of the indoor unit 100. Specifically, the air guiding plate 140 is configured to be controllably rotated around the rotating shaft 101 to a second position as shown in fig. 2, the whole air guiding plate 140 at the second position is in a downward inclined state, the extending plate section 142 of the air guiding plate 140 at the second position is located above the main plate section 141, and part of the hot air blown out from the air outlet 110b sequentially flows downwards along the inner air guiding surface 1421 of the extending plate section 142 and the inner air guiding surface 1411 of the main plate section 141; part of the hot air flows downward along the outer air guide surface 1422 of the extension plate section 142 and the outer air guide surface 1412 of the main plate section 141 in sequence, and only a small part of the hot air passes through the gap between the air guide plate 140 and the upper air duct wall 152 of the air outlet duct 150 and is blown out forward and upward along the front guide straight section 1521. Therefore, the specially designed air deflector 140 can guide more hot air blown out from the air outlet 110b downwards, and the heating experience of the user is improved.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (6)
1. An indoor unit of a wall-mounted air conditioner, comprising:
a housing formed with an air inlet and an air outlet;
a volute housing, in which an air outlet duct is defined, the air outlet duct communicating the air inlet with the air outlet, the air outlet duct having an upper duct wall and a lower duct wall;
the upper air duct wall comprises a front guide straight section positioned on the front side, and the front end of the front guide straight section and the front end of the lower air duct wall define the air outlet;
the front guide straight section extends upwards from back to front so as to guide the airflow of the air outlet duct to the front upper part;
the air deflector is arranged at the air outlet and is configured to controllably rotate around a rotating shaft extending transversely so as to adjust the airflow direction of the air outlet;
the aviation baffle includes:
a main plate section having two opposite side edges in a width direction thereof;
the extension plate section is connected with one side edge of the main plate section, and an inner air guide surface of the extension plate section and an inner air guide surface of the main plate section are arranged at an angle which is an obtuse angle;
the thickness of the main plate section is gradually reduced from the middle position to the two side edges in the width direction;
in a refrigeration mode, the air deflector is configured to be controllably rotated around the rotating shaft to a first position, the extension plate section of the air deflector at the first position is positioned in front of the main plate section, the air deflector is arranged to guide the air flow of the air outlet to the front upper side, and partial cold air blown out from the air outlet flows to the front upper side sequentially through the inner air guide surface of the main plate section, the inner air guide surface of the extension plate section and the space between the upper air duct wall, so that the upward blowing angle of the cold air is larger, and the refrigeration effect is enhanced;
in the heating mode, the air deflector is configured to be controllably rotated around the rotating shaft to a second position, the extension plate section of the air deflector at the second position is positioned above the main plate section, the air deflector is configured to guide the air flow of the air outlet downwards, partial hot air blown out from the air outlet flows downwards along the inner air guide surface of the extension plate section and the inner air guide surface of the main plate section in sequence, and partial hot air flows downwards along the outer air guide surface of the extension plate section and the outer air guide surface of the main plate section in sequence.
2. The indoor unit of claim 1, wherein
The upper air duct wall also comprises a rear guide straight section connected with the rear end of the front guide straight section and a volute tongue section connected with the rear end of the rear guide straight section;
the included angle between the extension lines of the front guide straight section and the rear guide straight section is 20-35 degrees.
3. The indoor unit of claim 2, wherein
The rear guide straight section extends downwards from back to front.
4. The indoor unit of claim 1, wherein
The angle is 156 ° to 176 °.
5. The indoor unit of claim 1, wherein
The ratio of the width dimension of the extension plate segment to the width dimension of the main plate segment is 0.13 to 0.17.
6. The indoor unit of claim 1, wherein
The thickness dimension of the main plate section is 5mm to 20mm at the maximum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910364707.3A CN110056961B (en) | 2019-04-30 | 2019-04-30 | Wall-mounted air conditioner indoor unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910364707.3A CN110056961B (en) | 2019-04-30 | 2019-04-30 | Wall-mounted air conditioner indoor unit |
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| Publication Number | Publication Date |
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| CN110056961A CN110056961A (en) | 2019-07-26 |
| CN110056961B true CN110056961B (en) | 2021-05-25 |
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| CN201910364707.3A Active CN110056961B (en) | 2019-04-30 | 2019-04-30 | Wall-mounted air conditioner indoor unit |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351132A (en) * | 2020-03-26 | 2020-06-30 | 青岛海尔空调器有限总公司 | Indoor unit of air conditioner |
| CN111351129B (en) * | 2020-03-26 | 2022-04-19 | 青岛海尔空调器有限总公司 | Indoor unit of air conditioner |
| CN114061118B (en) * | 2020-07-31 | 2023-08-01 | 广东美的制冷设备有限公司 | Air conditioner, control device and control method of air deflector of air conditioner and readable storage medium |
| CN113819529A (en) * | 2021-08-31 | 2021-12-21 | 青岛海尔空调器有限总公司 | Cabinet air conditioner air outlet control method and device and cabinet air conditioner |
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| CN110056961A (en) | 2019-07-26 |
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Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Applicant after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Applicant before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Applicant before: Qingdao Haier Joint Stock Co.,Ltd. |
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