CN106123279B - Air conditioner indoor unit - Google Patents
Air conditioner indoor unit Download PDFInfo
- Publication number
- CN106123279B CN106123279B CN201610715735.1A CN201610715735A CN106123279B CN 106123279 B CN106123279 B CN 106123279B CN 201610715735 A CN201610715735 A CN 201610715735A CN 106123279 B CN106123279 B CN 106123279B
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- China
- Prior art keywords
- air
- guide wall
- wall
- indoor unit
- flow guide
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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
- 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
-
- 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
-
- 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
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
Abstract
The invention relates to an air conditioner indoor unit, which comprises an air deflector arranged at an air outlet and a flow guide wall positioned on the upstream side of the air deflector in the air outlet direction, wherein the flow guide wall is arranged to move between a first position and a second position, when the flow guide wall is positioned at the second position, a gap is formed between the flow guide wall and the lower side wall of the air outlet, and when the flow guide wall is positioned at the first position, the flow guide wall is close to the lower side wall of the air outlet. Because the movable flow guide wall is arranged in the air guide plate, when the flow guide wall is moved to the second position in the refrigeration mode, the condensation phenomenon can be prevented from occurring on the lower side of the air guide plate, and the comfort of the whole air guide plate is improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an indoor unit of an air conditioner.
Background
The air deflector is installed at the air outlet of the existing air conditioner indoor unit, and the purpose is to change the direction of the air flow blown out by the air conditioner by changing different positions and angles of the air deflector. Taking a wall-mounted unit as an example, in the heating process, in order to prevent hot air from floating upwards, the air guide plates are arranged vertically as much as possible so as to forcibly blow downwards; when refrigerating, in order to prevent the cold air blowing head, the air deflector can be horizontally arranged as far as possible so as to realize horizontal air supply. However, under the refrigeration condition, when the air deflector supplies air horizontally, cold air passes through the upper side of the air deflector, so that the air deflector is at a lower temperature, and the lower side of the air deflector is often in direct contact with indoor hot air, so that condensation easily occurs on the lower side of the air deflector, gas blown out by the air conditioner has moisture, and meanwhile, water drops generated by condensation can drip on the floor or the human body, so that the comfort of the air conditioner is reduced.
Disclosure of Invention
In view of the above-mentioned situation, a primary object of the present invention is to provide an indoor unit of an air conditioner, which can eliminate the condensation phenomenon occurring on the lower side of an air deflector in a cooling state, and improve the comfort of the air conditioner.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an air conditioner indoor unit comprises an air deflector arranged at an air outlet and a flow guide wall positioned on the upstream side of the air deflector in the air outlet direction, wherein the flow guide wall is arranged to move between a first position and a second position, when the flow guide wall is positioned at the second position, a gap exists between the flow guide wall and the lower side wall of the air outlet, and when the flow guide wall is positioned at the first position, the flow guide wall is close to the lower side wall of the air outlet.
Preferably, the air deflector has a first open position, and when the air deflector is in the second position and when the air deflector is in the first open position, the air deflector is located on an extension line of an upstream side of the air deflector in the air outlet direction.
Preferably, the movement of the guide wall from the first position to the second position is an upward movement, a movement perpendicular to the surface of the lower side wall, or a movement in an oblique direction toward the inside of the outlet.
Preferably, one end of the flow guide wall, which is located on the upstream side of the air outlet direction, is in a sharp angle shape.
Preferably, a recess is provided on a lower side wall of the outlet for receiving the deflector wall in the first position.
Preferably, the shape and size of the recess are matched with those of the flow guide wall.
Preferably, the guide wall includes a first side surface and a second side surface opposite to the first side surface, and when the first side surface of the guide wall is attached to the bottom surface of the recess, the second side surface of the guide wall and the rest of the surfaces of the lower side wall form a smooth surface, and the rest of the surfaces are surfaces other than the recess.
Preferably, the length L of the cross section of the guide wall is in the range of 20-40 mm.
Preferably, the distance H of movement of the deflector wall from the first position to the second position is in the range 10-30 mm.
Preferably, during the cooling operation, the controller of the indoor unit of the air conditioner controls the air deflector to move to the first open position, and controls the flow guide wall to move to the second position;
and/or the flow guide wall is provided with a second opening position, and when the air conditioner indoor unit is operated for heating, the controller of the air conditioner indoor unit controls the air deflector to move to the second opening position and simultaneously controls the flow guide wall to stay at the first position.
Preferably, when the guide wall is in the first position, the guide wall is in contact with a lower side wall of the air outlet.
Preferably, the indoor unit of the air conditioner is a wall-mounted unit.
Because the movable flow guide wall is arranged in the air conditioner indoor unit, when the flow guide wall is moved to the second position in the refrigeration mode, the condensation phenomenon at the lower side of the air deflector can be prevented, and the comfort of the whole air conditioner is improved; meanwhile, the uniformity of airflow at the air outlet of the air conditioner can be improved, the airflow is prevented from flowing back at the flow guide wall, the effective area of the air outlet is increased, and the air outlet volume is increased.
Drawings
Preferred embodiments of an air conditioning indoor unit according to the present invention will be described below with reference to the accompanying drawings. In the figure:
fig. 1 is a schematic view showing an operating state of an indoor unit of an air conditioner according to the present invention;
fig. 2 is a schematic structural view illustrating another operation state of the indoor unit of an air conditioner according to the present invention;
fig. 3 is a schematic view of an alternative structure of the indoor unit of the air conditioner of fig. 2;
fig. 4 is a schematic view of another alternative structure of the indoor unit of the air conditioner of fig. 2;
fig. 5 is an enlarged view of a portion of fig. 2, highlighting the deflector and deflector wall structure.
Detailed Description
An air conditioning indoor unit according to the present invention will be described with reference to a wall-mounted unit shown in fig. 1 to 5 as an example. However, the air conditioning indoor unit according to the present invention is not necessarily a wall-mounted unit, and may be any other type of air conditioning indoor unit.
As shown in fig. 1 to 4, the present invention provides an indoor unit of an air conditioner, comprising an air deflector 1 disposed at an air outlet and a flow guiding wall 2 disposed inside an air outlet, wherein the flow guiding wall 2 is configured to be movable between a first position and a second position, and when the flow guiding wall 2 is in the second position, the distance from the flow guiding wall 2 to a lower side wall 3 of the air outlet is greater than the distance from the flow guiding wall 2 to the lower side wall 3 of the air outlet (the distance may be zero) when the flow guiding wall is in the first position. That is, when the flow guiding wall 2 is located at the first position, the flow guiding wall 2 is close to or in contact with the lower side wall 3 of the air outlet, preferably, the flow guiding wall 2 and the lower side wall 3 of the air outlet are attached to each other, and when the flow guiding wall 2 is located at the second position, the flow guiding wall 2 is relatively far away from the lower side wall 3 of the air outlet, so that a certain gap exists between the flow guiding wall 2 and the lower side wall 3 of the air outlet.
Since the guide wall 2 is movable, it will divide the air flow path at the air outlet into two parts when it leaves the first position, respectively: the flow path between the guide wall 2 and the lower side wall 3 (i.e. the gap defined above) and the flow path between the guide wall 2 and the upper side wall 4, where the air from the fan 5 of the indoor unit is also split into two paths. Therefore, when the air conditioner is in cooling operation, two paths of cold air can flow through the two sides of the air guide plate 1 respectively, so that the side surface of the air guide plate 1 is prevented from directly contacting with indoor hot air, the phenomenon of condensation on the air guide plate, which is easy to occur in the prior art, is overcome, and the comfort of the air conditioner is improved.
Meanwhile, the guide wall 2 is movable, so that air outlet airflow is prevented from flowing back at the guide wall, the uniformity of the air outlet airflow of the air conditioner is improved, the effective area of an air outlet of the indoor unit of the air conditioner is increased, and the air output is increased. The main reasons are that: when the flow guide wall 2 is at the second position, the air flow of the air outlet is forcedly divided, and one path of cold air flows out of the air outlet from a gap between the flow guide wall 2 and the lower side wall 3, so that the position (within a range of several centimeters close to the air outlet) where the backflow is easy to occur originally cannot form the backflow due to continuous air outlet. In this way, on the one hand, the possibility of condensation of the returning air at this location is eliminated; on the other hand, the blocking effect of the returned air on the outlet airflow is eliminated, so that the uniformity of the outlet airflow is improved; meanwhile, air flow at the air outlet flows out along the width of the whole air outlet, so that the effective area of the air outlet is increased (if backflow occurs, part of the air outlet cannot form air outlet due to backflow, and the effective area is small).
As shown in fig. 1 and 2, the air deflector 1 has a first open position (fig. 2) and a second open position (fig. 1), for example the air deflector 1 is movable between the first open position and the second open position and stays in any position therebetween, for example. For example, the first open position is particularly suitable for a cooling mode, which can, for example, guide air in an approximately horizontal direction to prevent a cold blow head; the second open position is particularly suitable for the heating mode, which can, for example, effect a wind guidance in an approximately vertical downward direction in order to prevent hot air from floating upward. Preferably, when the flow guide wall 2 is located at the second position and when the air deflector 1 is located at the first open position, the flow guide wall 2 is located on an extension line of an upstream side of the air deflector 1 in the air outlet direction.
By the arrangement, two paths of airflow separated by the flow guide wall 2 can smoothly flow through two sides of the air deflector 1, and the wind resistance is small.
Naturally, it is also possible that the deflector wall 2 is offset between the second position and the inner extension of the air deflector 1 in the first open position, which has no effect on the dew elimination, except that the wind resistance will be increased.
Preferably, the movement of the deflector wall 2 from the first position to the second position can be carried out in a number of different ways, for example upwards (e.g. vertically upwards) as shown in fig. 2, or perpendicular to the surface of the lower side wall 3 as shown in fig. 3, or obliquely inwards of the outlet mouth as shown in fig. 4, i.e. in directions other than both vertically upwards and perpendicular to the surface of the lower side wall. It should be noted that the implementation forms of the three movement directions are only related to the installation mode of the corresponding movement mechanism, and have no influence on the technical effect of the present invention.
Preferably, as shown in fig. 5, the cross section of the guide wall 2 is flat or wedge-shaped, and the front end of the cross section (i.e., the end located on the upstream side in the air outlet direction) is preferably sharp-angled. The sharp-angle-shaped front end of the flow guide wall is beneficial to reducing the incoming flow resistance, so that the wind resistance can be effectively reduced when the flow guide wall is located at the second position.
Preferably, as shown in fig. 5, the lower side wall 3 of the outlet is provided with a recess 31 for accommodating the flow guiding wall 2 in the first position. That is, when the guide wall 2 is in the first position, at least a part thereof is in the recess 31 shown and abuts a surface of said recess 31. So set up for when the guiding wall 2 was in the first position, the wind that fan 5 sent out was difficult to get into between the binding face of guiding wall 2 and concave part 31, thereby can reduce the gas reflux, increased the air output.
Preferably, the shape and size of the recess 31 are matched with the shape and size of the guide wall 2. That is, in a preferred embodiment, the guide wall 2 completely occupies the empty volume of the recess 31 when in the first position, thereby further reducing the backflow of the gas and increasing the air output.
The guide wall 2 includes a first side surface and a second side surface opposite to the first side surface, and preferably, when the first side surface of the guide wall 2 is attached to the bottom surface of the recess 31, the second side surface of the guide wall (i.e., the side surface facing the upper side wall 4) and the rest of the surface of the lower side wall 3 (i.e., the surface outside the recess) form a smooth surface. Thus, when the guiding wall 2 is in the first position, the wind from the fan 3 can smoothly flow to the second side of the guiding wall 2 along the surface of the lower side wall 3 and then leave the wind outlet, so that the wind resistance is minimized.
Preferably, the length L of the cross-section of the lower guide wall 2 (i.e. the width of the guide wall) is in the range of 20-40 mm. The diversion wall of this size can effectively realize the reposition of redundant personnel to the air-out when removing the second position to can not occupy the air outlet inner space too much. Moreover, it is conceivable that if the cross-sectional length L is too large, it will protrude too far into the air outlet, and a large windward side will be easily formed, thereby increasing wind resistance and gas backflow.
Preferably, the distance H of movement of the deflector wall from the first position to the second position is in the range 10-30 mm. Under the condition that the moving distance H is 10-30mm, a small airflow (namely, the airflow flowing out from the lower side of the air deflector 1) obtained by shunting the outlet air by the flow guide wall 2 can meet the requirement of eliminating condensation, and meanwhile, the phenomenon that excessive cold air is blown out without being guided by the air deflector 1 (because the airflow which is not guided by the upper side surface of the air deflector 1 is directly blown out along the direction of the side wall of the air outlet) to cause obvious head blowing feeling is avoided.
An example of a movement H of the guide wall 2 in a vertically upward direction is shown in fig. 5. It is conceivable that the distance H of movement of the guide wall 2 may also be within the same range of values in the case of movement in a direction perpendicular to the surface of the lower side wall 3 in fig. 3 and 4, or movement in an oblique direction to the inside of the outlet mouth.
In the air-conditioning indoor unit of the invention, the first position of the flow guide wall 2 can be set as a default position, and the flow guide wall returns to the first position when the air-conditioning indoor unit is stopped. In order to simplify the control steps, it may be provided that, during cooling operation, the controller of the air conditioning indoor unit controls the air deflector 1 to move to the first open position and simultaneously controls the air deflector wall 2 to move to the second position. Namely, as long as the air-conditioning indoor unit starts to refrigerate, the air deflector 1 and the flow guide wall 1 can be adjusted to the designated positions in one step, so that the effects of preventing cold air from blowing heads, eliminating condensation, improving air flow uniformity, increasing effective area of an air outlet and the like are achieved, and independent control by a user is not needed.
On the other hand, when the air conditioner is in hot operation, the air deflector 1 is normally adjusted to the second open position, as shown in fig. 1, in order to prevent the hot air from floating upward. In this case, the guide wall 2 would not have much practical significance if it still shunts the air flow of the outlet opening, and it is therefore advantageous to keep the guide wall in the first position. Therefore, to simplify the control steps, it may be further configured that, during heating operation, the controller of the indoor unit of the air conditioner controls the air deflector 1 to move to the second open position, and controls the baffle wall 2 to stay at the first position. That is, as long as the air-conditioning indoor unit starts heating, the air deflector 1 and the guide wall 1 can be adjusted to other specified positions in one step, so that the effects of preventing hot air from floating upwards, preventing the guide wall from unnecessarily shunting the outlet air and the like are achieved, and independent control by a user is not needed.
Preferably, as shown in fig. 1 to 5, the indoor unit of an air conditioner is a wall-mounted unit, which can particularly exhibit the advantages of the present invention. Of course, other types of indoor units are possible, including but not limited to cabinet units, ducted air conditioning units, central air conditioning units, and the like.
In conclusion, the movable guide wall is arranged in the air conditioner indoor unit, so that when the guide wall is moved according to the operation working condition of the air conditioner, the condensation phenomenon at the lower side of the air deflector can be prevented in a refrigeration mode, and the comfort of the whole air conditioner is improved; meanwhile, the uniformity of airflow at the air outlet of the air conditioner can be improved, the airflow is prevented from flowing back at the flow guide wall, the effective area of the air outlet is increased, and the air outlet volume is increased.
Those skilled in the art will readily appreciate that the above-described preferred embodiments may be freely combined, superimposed, without conflict.
It will be understood that the embodiments described above are illustrative only and not restrictive, and that various obvious and equivalent modifications and substitutions for details described herein may be made by those skilled in the art without departing from the basic principles of the invention.
Claims (9)
1. An air conditioner indoor unit comprises an air deflector arranged at an air outlet and is characterized by further comprising a flow guide wall positioned on the upstream side of the air deflector in the air outlet direction, wherein the flow guide wall is arranged to be movable between a first position and a second position, and when the flow guide wall is positioned at the second position, a gap is formed between the flow guide wall and the lower side wall of the air outlet;
the air deflector is provided with a first open position, and when the flow guide wall is positioned at the second position and the air deflector is positioned at the first open position, the flow guide wall is positioned on an extension line of the upstream side of the air deflector along the air outlet direction;
when the flow guide wall is at the first position, the flow guide wall is contacted with the lower side wall of the air outlet;
when the air conditioner runs in a cooling mode, the controller of the indoor unit of the air conditioner controls the air deflector to move to the first open position, and simultaneously controls the flow guide wall to move to the second position so as to divide an air flow channel at the air outlet into two parts, wherein the two parts are respectively: the air flow channel between the flow guide wall and the lower side wall and the flow channel between the flow guide wall and the upper side wall, and the air sent by the fan of the indoor unit is also divided into two paths;
and/or the air deflector is provided with a second opening position, and during heating operation, the controller of the indoor unit of the air conditioner controls the air deflector to move to the second opening position and simultaneously controls the flow guide wall to stay at the first position so as to achieve the effects of preventing hot air from floating upwards and preventing the flow guide wall from unnecessarily shunting the outlet air.
2. An indoor unit of an air conditioner according to claim 1, wherein the movement of the guide wall from the first position to the second position is an upward movement, a surface movement perpendicular to the lower side wall, or a movement toward the inside of the outlet port in an oblique direction.
3. An indoor unit of an air conditioner according to claim 1, wherein an end of the guide wall on an upstream side in the air-out direction is pointed.
4. An indoor unit of an air conditioner according to any one of claims 1 to 3, wherein a recess is provided on a lower side wall of the outlet port for receiving the baffle wall in the first position.
5. An indoor unit of an air conditioner according to claim 4, wherein the shape and size of the concave portion are matched with those of the guide wall.
6. An indoor unit of an air conditioner according to claim 4, wherein the guide wall includes a first side surface and a second side surface opposite to the first side surface, and when the first side surface of the guide wall is attached to the bottom surface of the concave portion, the second side surface of the guide wall and the remaining surface of the lower side wall form a smooth surface, and the remaining surface is a surface other than the concave portion.
7. An indoor unit of an air conditioner according to any one of claims 1 to 3, wherein the length L of the cross section of the guide wall is in the range of 20 to 40 mm.
8. An indoor unit of an air conditioner according to any one of claims 1 to 3, wherein a moving distance H of the guide wall from the first position to the second position is in the range of 10 to 30 mm.
9. An air conditioning indoor unit according to any one of claims 1 to 3, wherein the air conditioning indoor unit is a wall-mounted unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610715735.1A CN106123279B (en) | 2016-08-24 | 2016-08-24 | Air conditioner indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610715735.1A CN106123279B (en) | 2016-08-24 | 2016-08-24 | Air conditioner indoor unit |
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| CN106123279A CN106123279A (en) | 2016-11-16 |
| CN106123279B true CN106123279B (en) | 2021-11-02 |
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| CN201610715735.1A Active CN106123279B (en) | 2016-08-24 | 2016-08-24 | Air conditioner indoor unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524463B (en) * | 2016-11-30 | 2022-05-17 | 广东美的制冷设备有限公司 | Air deflector and air conditioner indoor unit |
| CN106524427B (en) * | 2016-12-01 | 2019-05-31 | 青岛海尔空调器有限总公司 | A kind of control method and air-conditioning device of air-conditioning device |
| CN106642364B (en) * | 2017-02-28 | 2022-05-13 | 广东美的制冷设备有限公司 | Air conditioner indoor unit, air guide plate structure thereof and air guide control method of air conditioner indoor unit |
| WO2018163574A1 (en) * | 2017-03-06 | 2018-09-13 | パナソニックＩｐマネジメント株式会社 | Air conditioner |
| CN107401775B (en) * | 2017-07-28 | 2020-12-29 | 青岛海尔空调器有限总公司 | Inner air deflector and wall-mounted air conditioner indoor unit with same |
| CN107449044B (en) * | 2017-08-07 | 2023-07-25 | 珠海格力电器股份有限公司 | Indoor unit and air conditioner applying same |
| CN107676867A (en) * | 2017-09-11 | 2018-02-09 | 珠海格力电器股份有限公司 | The air exhausting structure and indoor apparatus of air conditioner of indoor apparatus of air conditioner |
| CN107576014A (en) * | 2017-09-19 | 2018-01-12 | 青岛海尔空调器有限总公司 | A kind of anti-condensation control method of air conditioner and control device |
| CN111854134B (en) * | 2019-04-30 | 2023-10-27 | 青岛海尔空调器有限总公司 | Air deflector and air conditioner indoor unit with same |
| 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 |
| CN114061117B (en) * | 2020-07-31 | 2023-06-16 | 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 |
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| CN106123279A (en) | 2016-11-16 |
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