CN113566281B - Air conditioner indoor unit - Google Patents
Air conditioner indoor unit Download PDFInfo
- Publication number
- CN113566281B CN113566281B CN202110850589.4A CN202110850589A CN113566281B CN 113566281 B CN113566281 B CN 113566281B CN 202110850589 A CN202110850589 A CN 202110850589A CN 113566281 B CN113566281 B CN 113566281B
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- Prior art keywords
- air
- air outlet
- indoor unit
- air deflector
- deflector
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- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 238000005057 refrigeration Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 12
- 238000007664 blowing Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 2
- 238000004378 air conditioning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F24F13/08—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)
Abstract
The invention discloses an indoor unit of an air conditioner, which aims to solve the problem of human body discomfort caused by cold air and hot air direct blowing of the existing air conditioner. The invention relates to an air conditioner indoor unit, comprising: the method comprises the following steps: the air outlet is formed in the bottom of the shell; the air deflector is a curved plate and is movably arranged at the air outlet of the shell, the width of the air deflector is greater than that of the air outlet, and the air deflector has three states of a closed state, a refrigeration opening state and a heating opening state on the shell; when the air deflector is in a closed state, the air deflector covers the air outlet and is attached to the front panel of the shell; and when the air deflector is in a refrigeration opening state, the cold air discharged from the air outlet is guided to one side of the top of the shell. The air deflector has three states, so that cold air rises when the indoor unit blows cold air, and hot air sinks when the indoor unit blows hot air, thereby avoiding discomfort caused by direct blowing to human bodies.
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 basic functions of the existing air conditioner are cooling and heating, and the comfort of air supply is more and more emphasized, so that if cold/hot air flow is blown to people all the time in the process of cooling or heating, discomfort of the human body is easily caused, and the old and children with poor physique can even suffer from air conditioning diseases.
Disclosure of Invention
In view of this, the invention discloses an air conditioner indoor unit, which is used for solving the problem that cold air and hot air of the existing air conditioner are directly blown to cause discomfort to a human body.
In order to achieve the above object, the invention adopts the following technical scheme:
the first aspect of the present invention discloses an indoor unit of an air conditioner, including:
the air outlet is formed in the bottom of the shell;
the air deflector is a curved plate and is movably arranged at the air outlet of the shell, the width of the air deflector is greater than that of the air outlet, and the air deflector has three states of a closed state, a refrigeration opening state and a heating opening state on the shell;
when the air deflector is in a closed state, the air deflector covers the air outlet and is attached to the front panel of the shell;
when the air deflector is in a refrigeration opening state, the cold air discharged from the air outlet is guided to one side of the top of the shell;
when the air deflector is in a heating open state, hot air exhausted from the air outlet is guided to one side of the bottom of the shell.
Further, the surface of the air deflector, which covers one side of the air outlet, is an arc-shaped surface, and the ratio L/W of the chord length L of the arc-shaped surface to the maximum width W of the air outlet meets the following requirements: 2< L/W < 3.
Furthermore, the air-conditioning indoor unit further comprises a volute tongue, the volute tongue is fixedly installed on one side of the air outlet in the shell, an upper flow guide wall is formed on the outer surface of the volute tongue at the position of the air outlet, a lower flow guide wall is formed on the inner surface of the shell at the position of the air outlet, and the distance between the upper flow guide wall and the lower flow guide wall is gradually increased along the air outlet direction of the air outlet.
Further, go up the water conservancy diversion wall and include first water conservancy diversion face and second water conservancy diversion face, first water conservancy diversion face with the second water conservancy diversion is personally submitted the contained angle and links up together and along the air-out direction sets gradually, the drain pan is in the position of air outlet is equipped with the third water conservancy diversion face, the third water conservancy diversion face with the flaring is formed to the second water conservancy diversion face, the third water conservancy diversion face with contained angle gamma between the second water conservancy diversion face satisfies: 80 < gamma < 110.
Further, the chord length ratio D/L between the minimum distance between the first flow guide surface and the lower flow guide wall and the arc-shaped surface satisfies the following conditions: 0.2< D/L < 0.4.
Further, the ratio of the length m of the second flow guide surface to the distance n from the end of the second flow guide surface to the end of the volute tongue satisfies: m/n > 0.6.
Further, when the air deflector is in a refrigeration opening state, the chord length of the air deflector inclines upwards relative to the horizontal plane.
Further, when the air deflector is in a refrigeration opening state, an included angle alpha between the chord length of the air deflector and the horizontal plane satisfies the following conditions: 10 < alpha < 60.
Further, when the air deflector is in a refrigeration opening state, the minimum distance H between the chord length of the air deflector and the second flow guide surface satisfies: 0.25< H/L <0.6, wherein L is the chord length of the curved face.
Further, when the air deflector is in a heating open state, the air deflector is arranged in a downward inclined mode, and the chord length of the air deflector inclines towards the outer side of the air outlet.
Further, when the air deflector is in a heating and opening state, an included angle beta between the chord length of the air deflector and a vertical plane where the length direction of the air deflector is located meets the following requirements: 20 < beta < 40.
Has the advantages that: the air deflector has three states, and the width of the air deflector is larger than that of the air outlet, so that cold air rises when the indoor unit blows cold air, hot air sinks when hot air blows, and discomfort caused by direct blowing to a human body is avoided.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely exemplary embodiments of the present disclosure, and other drawings may be derived by those skilled in the art without inventive effort.
Fig. 1 is a schematic view of an indoor unit of an air conditioner in a closed state of an air deflector in embodiment 1, wherein the dotted line part of the air deflector is in a cooling open state and a heating open state;
fig. 2 shows a schematic view of an indoor unit of an air conditioner in embodiment 1 when an air deflector is in a refrigeration-on state;
fig. 3 is a schematic view of an air conditioner indoor unit in the heating on state of the air deflector in embodiment 1;
FIG. 4 is a schematic view showing the connection of the air deflector to the casing in embodiment 1;
fig. 5 is a simulation diagram of the cooling air flow when the air deflector is in the cooling open state in the embodiment 1;
fig. 6 shows a simulation diagram of heating airflow when the air deflector is in the heating on state in embodiment 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "the plural" typically includes at least two, but does not exclude the presence of at least one.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
At present, the air conditioner is more and more close to health and comfort in addition to meeting the basic functions of refrigeration and heating. The general air conditioner internal unit mostly utilizes the air deflectors to guide air flow when cold air and hot air are blown directly, and the conventional method adopts multilayer air deflectors or large-angle air supply, but the air quantity attenuation is large, cold air sinks in advance and other bad influences are often generated. Aiming at the problem, the invention adopts the super-large air deflector, controls the opening angle of the air deflector in a time mode, optimizes the air outlet channel, ensures that cold air rises and does not sink when an indoor unit of the air conditioner is used for refrigerating, has low noise, and ensures that hot air sinks and falls down quickly when the indoor unit of the air conditioner is used for heating, thereby avoiding discomfort of a human body caused by direct blowing of the cold air and the hot air.
To further illustrate the technical solution of the present invention, the following specific examples are provided in conjunction with fig. 1-6.
Example 1
In this embodiment, an air conditioning indoor unit is provided, as shown in fig. 1 to 3, including:
the air conditioner comprises a shell 1, wherein an air outlet a is formed in the bottom of the shell 1;
the air deflector 3 is a curved plate and is movably arranged at the position of an air outlet a of the shell 1, the width of the air deflector 3 is larger than that of the air outlet a, and the air deflector 3 has three states of a closed state, a refrigeration opening state and a heating opening state on the shell;
when the air deflector 3 is in a closed state, the air deflector 3 covers the air outlet a and is attached to the front panel of the shell 3;
when the air deflector 3 is in a refrigeration opening state, the cold air discharged from the air outlet a is guided to one side of the top of the shell 1;
when the air deflector 3 is in the heating open state, the hot air exhausted from the air outlet a is guided to one side of the bottom of the shell 1.
Under the closed state, the air deflector 3 can be better attached to the front panel of the shell 1, the problems that the air outlet is exposed or a gap is formed between the air deflector and the air outlet and the like do not exist, and the appearance is more attractive.
In order to further enhance the guiding of the airflow, as shown in fig. 3, when the air deflector 3 is in the cooling open state, the cool air is sufficiently raised, and when the air deflector is in the heating open state, the airflow sinks, preferably, the surface of the air deflector, which covers one side of the air outlet, is an arc-shaped surface, and a ratio L/W of a chord length L of the arc-shaped surface to a maximum width W of the air outlet satisfies: 2< L/W < 3.
Further, as shown in fig. 1 and 2, the indoor unit of an air conditioner in this embodiment further includes a volute tongue 2, the volute tongue 2 is fixedly installed at one side of the air outlet a in the casing 1, an upper flow guide wall 21 is formed on an outer surface of the volute tongue 2 at the position of the air outlet a, a lower flow guide wall 11a is formed on an inner surface of the casing 1 at the position of the air outlet a, and a distance between the upper flow guide wall 21 and the lower flow guide wall 11a is gradually increased along an air outlet direction of the air outlet, so that pressure-expanded air supply is realized, airflow resistance is reduced, and noise of airflow is further reduced.
Further, as shown in fig. 1 and fig. 2, the upper guide wall 21 includes a first guide surface 211 and a second guide surface 212, the first guide surface 211 and the second guide surface 212 are connected together at an included angle and sequentially arranged along the air outlet direction, a third guide surface 11b is disposed at the air outlet a of the bottom case 11, the third guide surface 11b forms a flared opening with the second guide surface 212, and an included angle γ between the third guide surface 11b and the second guide surface 212 satisfies: the angle of 80 degrees < gamma <110 degrees ensures that the flow direction of the air flow discharged from the flaring can well adhere to the arc-shaped surface 31 of the guide plate 3 and flow, thereby reducing the noise, simultaneously keeping the rising when blowing cold air and keeping the sinking when blowing hot air.
Further, as shown in fig. 2, a chord length ratio D/L between the minimum distance between the first guide surface 211 and the lower guide wall 11a and the arc surface 31 satisfies: 0.2< D/L <0.4, so as to ensure that the air deflector 3 has enough length relative to the air outlet a, when the air outlet a discharges cold air, the rising effect of air flow is enhanced, the phenomenon that the discharged cold air sinks due to the over-short guide plate 3 is avoided, the phenomenon that the guide plate 3 is too long is also avoided, the cold air is blown to the ceiling during refrigeration, and the hot air is easily blown to the wall during heating.
Preferably, the chord length L of the baffle 3 satisfies: 150mm < L <200 mm.
In order to further ensure the wall length of the upper guide wall 21, to implement diffusion air supply and to reduce airflow resistance, specifically, as shown in fig. 2, the ratio of the length m of the second guide surface to the distance n from the end of the second guide surface to the end of the volute tongue satisfies: m/n > 0.6.
In order to ensure that the cold air is raised when the indoor unit is opened, specifically, as shown in fig. 2, when the air deflector 3 is in a refrigeration open state, the chord length of the air deflector 3 is inclined upward relative to the horizontal plane. Specifically, when the air deflector 3 is in a refrigeration open state, an included angle α between a chord length of the air deflector 3 and the horizontal plane satisfies: 10 ° < α <60 °. In this embodiment, the upward inclination of the chord length of the air deflector 3 with respect to the horizontal plane refers to the inclination direction of the chord length of the air deflector 3 with respect to the horizontal plane when the air conditioner indoor unit is mounted on the wall, and the included angle α between the chord length of the air deflector 3 and the horizontal plane also refers to the state of the air conditioner indoor unit when the air conditioner indoor unit is mounted on the wall. As shown in fig. 5, when the air deflector 3 is in a cooling state, due to the arc surface 31 and the opening angle of the air deflector 3 and the flaring angle of the air outlet a of the housing 1, the air flow is blown out along the arc surface of the air deflector 3, the cold air does not rise and sink, and meanwhile, the air flow diffuses from the flaring, so that the noise of the air flow is reduced.
Further, as shown in fig. 2, when the air deflector 3 is in the cooling open state, the minimum distance H between the chord length of the air deflector 3 and the second flow guiding surface 212 satisfies: H/L is more than 0.25 and less than 0.6, so that the opening degree of the outlet section is met, and the effect of diffusion air supply is ensured. Preferably, 40mm < H <80 mm.
Further, as shown in fig. 3, when the air deflector is in the heating open state, the air deflector is inclined downward, and the chord length of the air deflector 3 is inclined toward the outer side of the air outlet.
Further, as shown in fig. 3, when the air deflector is in a heating open state, an included angle β between a chord length of the air deflector and a vertical plane where the length direction of the air deflector is located satisfies: 20 degrees < beta <40 degrees, as shown in fig. 6, when the indoor unit of the air conditioner heats, hot air is converged by the air deflector 3 and quickly falls to the ground, and the good air current converging capability of the superconducting air deflector 3 is benefited, so that a better heating effect is obtained and the direct blowing of the hot air is avoided.
As shown in fig. 4, a row of swing rods 4 is hinged on the arc-shaped surface of the air deflector 3 along the length direction thereof, a rotating shaft 5 is fixedly arranged at the end of each swing rod 4, and the rotating shaft is driven by a motor to rotate so as to realize different positions (corresponding to three positions in fig. 1) of the air deflector 3 in three states of closing, heating and cooling of the indoor unit.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. An indoor unit of an air conditioner, comprising:
the air outlet is formed in the bottom of the shell;
the air deflector is a curved plate and is movably arranged at the air outlet of the shell, the width of the air deflector is greater than that of the air outlet, and the air deflector has three states of a closed state, a refrigeration opening state and a heating opening state on the shell;
when the air deflector is in a closed state, the air deflector covers the air outlet and is attached to the front panel of the shell;
when the air deflector is in a refrigeration opening state, the cold air discharged from the air outlet is guided to one side of the top of the shell;
when the air deflector is in a heating open state, hot air exhausted from the air outlet is guided to one side of the bottom of the shell;
the surface of the air deflector, which covers one side of the air outlet, is an arc-shaped surface, and the ratio L/W of the chord length L of the arc-shaped surface to the maximum width W of the air outlet meets the following requirements: 2< L/W < 3.
2. The indoor unit of claim 1, further comprising a volute tongue fixedly installed at one side of the air outlet in the casing, wherein an upper flow guide wall is formed on an outer surface of the volute tongue at the air outlet, a lower flow guide wall is formed on an inner surface of the casing at the air outlet, and a distance between the upper flow guide wall and the lower flow guide wall is gradually increased along an air outlet direction of the air outlet.
3. An indoor unit of an air conditioner according to claim 2,
go up the water conservancy diversion wall and include first water conservancy diversion face and second water conservancy diversion face, first water conservancy diversion face with the second water conservancy diversion is personally submitted the contained angle and links up together and along the air-out direction sets gradually, the casing is in the position of air outlet is equipped with the third water conservancy diversion face, the third water conservancy diversion face with the flaring is formed to the second water conservancy diversion face, the third water conservancy diversion face with contained angle gamma between the second water conservancy diversion face satisfies: 80 < gamma < 110.
4. The indoor unit of claim 3, wherein a chord length ratio D/L between the minimum distance between the first flow guide surface and the lower flow guide wall and the arc surface satisfies: 0.2< D/L < 0.4.
5. The indoor unit of claim 4, wherein the ratio of the length m of the second guide surface to the distance n from the end of the second guide surface to the end of the volute tongue satisfies: m/n > 0.6.
6. The indoor unit of claim 5, wherein when the air deflection plate is in the cooling open state, a chord length of the air deflection plate is inclined upward with respect to a horizontal plane.
7. The indoor unit of claim 6, wherein when the air deflector is in the cooling open state, an included angle α between a chord length of the air deflector and the horizontal plane satisfies: 10 < alpha < 60.
8. The indoor unit of claim 6 or 7, wherein when the air deflector is in the cooling open state, the minimum distance H between the chord length of the air deflector and the second flow guide surface satisfies: 0.25< H/L <0.6, wherein L is the chord length of the curved face.
9. The indoor unit of claim 5, wherein the air guide plate is inclined downward when the air guide plate is in the heating open state, and a chord length of the air guide plate is inclined toward the outside of the air outlet.
10. The indoor unit of claim 9, wherein when the air deflector is in a heating open state, an included angle β between a chord length of the air deflector and a vertical plane in which a length direction of the air deflector is located satisfies: 20 < beta < 40.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110850589.4A CN113566281B (en) | 2021-07-27 | 2021-07-27 | Air conditioner indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110850589.4A CN113566281B (en) | 2021-07-27 | 2021-07-27 | Air conditioner indoor unit |
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| Publication Number | Publication Date |
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| CN113566281A CN113566281A (en) | 2021-10-29 |
| CN113566281B true CN113566281B (en) | 2022-08-26 |
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| CN202110850589.4A Active CN113566281B (en) | 2021-07-27 | 2021-07-27 | Air conditioner indoor unit |
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| CN113566281A (en) | 2021-10-29 |
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