CN110986169B - Air duct assembly for distributing air and air conditioner - Google Patents
Air duct assembly for distributing air and air conditioner Download PDFInfo
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- CN110986169B CN110986169B CN201911101789.9A CN201911101789A CN110986169B CN 110986169 B CN110986169 B CN 110986169B CN 201911101789 A CN201911101789 A CN 201911101789A CN 110986169 B CN110986169 B CN 110986169B
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- air
- heat exchanger
- fan
- wind
- air conditioner
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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
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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
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the 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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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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
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
Abstract
The invention provides an air duct assembly for distributing air, which comprises an air conditioner main body, a fan and a heat exchanger, wherein the fan and an inclined heat exchanger are arranged in the air conditioner main body; two ends of the heat exchanger are low-speed areas, and the middle of the heat exchanger is a high-speed area; an air distribution structure is arranged between the fan and the heat exchanger; the air distribution structure is arranged before entering the air inlet section of the heat exchanger, and the air distribution structure is arranged behind the air outlet section of the fan. According to the invention, the air distribution structure is added on the original equipment, the fan introduces air flow and then enables the air flow to flow through the air distribution structure, and the air distribution structure disperses the air flow according to the position of the air distribution structure, so that the adjustment of the surface air speed of the heat exchanger is realized, low-speed areas and high-speed areas in the traditional air-conditioning heat exchanger are reduced, the surface air speed of the heat exchanger is more uniform, and the heat exchange efficiency of the heat exchanger is improved. The invention also provides an air conditioner which comprises the air duct assembly, wherein the air duct assembly is used for distributing air. The efficiency of the heat exchanger of the air conditioner is improved, and the performance is better.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to an air duct assembly for distributing air, an air conditioner and an air conditioner.
Background
The split floor type air conditioner comprises an indoor unit and an outdoor unit, wherein the indoor unit in the prior art comprises: the lower part is provided with a centrifugal fan and an indoor side air inlet; the upper part is provided with an indoor heat exchanger evaporator and an indoor air outlet. The heat exchanger is typically placed at an angle to the vertical (at an angle to the vertical). When the air conditioner works, indoor air passes through the air inlet and is sucked and blown out by the fan, and airflow flows out of the room from the air outlet after flowing through the heat exchanger, so that the indoor air is cooled or heated, and the effect of cooling or heating is achieved.
Because the heat exchanger forms a certain angle with the vertical aspect, when the air outlet of the fan flows through the heat exchanger, a low-speed area and a high-speed area exist on the surface of the heat exchanger, the air speed distribution is uneven, and the low-speed area causes the heat transfer coefficient of the surface of the heat exchanger to be lower, thereby affecting the heat exchange efficiency.
Disclosure of Invention
The invention provides an air duct assembly for distributing air, which is used for solving the problems of uneven air speed distribution and influence on heat exchange efficiency and achieving the beneficial effect of reasonably distributing the surface air speed and the air quantity of a heat exchanger.
The invention also provides an air conditioner, which solves the problems of low heat exchange capacity, high power and no energy conservation of the air conditioner, and improves the heat exchange efficiency of the heat exchanger, thereby improving the performance of the air conditioner and saving more energy.
The invention is realized by the following technical scheme:
an air duct assembly for distributing air comprises an air conditioner main body, a fan and a heat exchanger, wherein the fan and the inclined heat exchanger are arranged in the air conditioner main body, and the fan is positioned below the heat exchanger; two ends of the heat exchanger are low-speed areas, and the middle of the heat exchanger is a high-speed area; an air distribution structure is arranged between the fan and the heat exchanger; the air distribution structure is arranged before entering the air inlet section of the heat exchanger, and the air distribution structure is arranged behind the air outlet section of the fan.
Preferably, the wind distribution structure is provided with n (n > 1).
Preferably, n (n) wind dividing structures are arranged>1) When the total width of the heat exchanger is d0(ii) a The vertical distance between the wind distributing structure and the horizontal plane at the lowest position of the heat exchanger is HnAnd H isn> Hn-1(ii) a The horizontal distance between the wind distributing structure and the inner right side of the air conditioner main body is LnAnd L isn< Ln-1(ii) a So that (L)n-1-Ln)/Ln-1≥dn/(d0- d1 -▪▪▪-dn-1)。
Preferably, the wind dividing structure n1The vertical distance from the horizontal plane of the lowest position of the heat exchanger is set to be H1And the horizontal distance from the right side in the air conditioner main body is L1Wind turbineOutlet width L0(ii) a Wind dividing structure n1The tail end is cut into lines to divide the heat exchanger into widths d1(ii) a So that (L)0-L1)/L0≥d1/d0。
Preferably, the wind dividing structure n2Perpendicular distance H of2And H is2> H1(ii) a Horizontal distance L2And L is2< L1(ii) a So that (L)1-L2)/L1≥d2/（d0-d1)。
Preferably, the wind distribution structure is an arc-shaped plate, an angle-shaped plate, a flat plate, a rectangle or a square and the like.
Preferably, the fan consists of a motor and fan blades, and the fan blades are arranged on an output shaft of the motor.
The utility model provides an air conditioner, includes wind channel subassembly which characterized in that: the air duct assembly is an air duct assembly for distributing air.
Preferably, the air conditioner main body further comprises a volute, a baffle, an air inlet and an air outlet, wherein the air outlet and the air inlet are arranged on one side of the air conditioner main body from top to bottom; a volute is arranged at the blowing part of the fan; the baffle is located on the left side of the heat exchanger.
Preferably, the baffle is vertically arranged, and the upper end of the baffle is lower than the lower side of the air outlet.
The invention has the advantages that:
according to the invention, the air distribution structure is added on the original equipment, the fan introduces air flow and then enables the air flow to flow through the air distribution structure, and the air distribution structure disperses the air flow according to the position of the air distribution structure, so that the adjustment of the surface air speed of the heat exchanger is realized, low-speed areas and high-speed areas in the traditional air-conditioning heat exchanger are reduced, the surface air speed of the heat exchanger is more uniform, and the heat exchange efficiency of the heat exchanger is improved.
The air distribution structures are arranged according to the positions of the heat exchanger and the air conditioner, and each air distribution structure can disperse corresponding air flow according to the position of each air distribution structure, so that the air speed is adjusted in different areas, and the adjusting effect is good.
The air distribution structure adopts structures such as an arc-shaped plate, an angle-shaped plate, a flat plate, a rectangle or a square and the like, has simple structure and low use cost, and can realize air volume distribution and adjust the air speed of each area of the heat exchanger.
The air conditioner uses the air duct assembly and the baffle plate, can adjust the air speed passing through the heat exchanger, leaves from the air outlet after being adjusted, and is stable and reliable to use; and the heat exchanger efficiency is higher than the traditional air conditioner with uneven wind speed distribution, the performance is better, and the energy is saved.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the direction of air flow in the prior art;
FIG. 2 is a schematic structural diagram according to the first embodiment;
FIG. 3 is a schematic view showing the structure of the air flow direction in the first embodiment;
FIG. 4 is a schematic view of an arrangement position of a wind-dividing structure in the first embodiment;
fig. 5 is a schematic structural diagram of the second embodiment.
In the figure, 1, a wind distribution structure; 2. a volute; 3. a fan blade; 4. a motor; 5. an air inlet; 6. a baffle plate; 7. an air outlet; 8. a heat exchanger; 81. a low speed region; 82. a high-speed zone; 9. an air conditioner main body.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. 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.
Example 1
An air duct assembly for distributing air is shown in fig. 1-3 and comprises an air conditioner main body 9, a fan and a heat exchanger 8, wherein the fan and the inclined heat exchanger 8 are arranged in the air conditioner main body 9, the fan is positioned below the heat exchanger 8, and the air conditioner main body 9 is used for accommodating corresponding components; because the heat exchanger 8 is obliquely arranged, an oblique angle exists between the heat exchanger 8 and the air conditioner main body 9, two ends of the heat exchanger 8 are low-speed areas, and the middle part of the heat exchanger 8 is a high-speed area; an air distribution structure 1 is arranged between the fan and the heat exchanger 8; the air distribution structure 1 is arranged before the air inlet section of the heat exchanger 8, and the air distribution structure 1 is arranged behind the air outlet section of the fan.
As shown in fig. 1-3, the fan is composed of a motor 4 and fan blades 3, and the fan blades 3 are arranged on the output shaft of the motor 4 and used for introducing outside air.
As shown in FIG. 4, the wind-dividing structure 1 is provided with n (n)>1) (ii) a The total width d of the heat exchanger 80(ii) a The vertical distance between the wind distribution structure 1 and the horizontal plane at the lowest position of the heat exchanger 8 is HnAnd H isn> Hn-1(ii) a The horizontal distance between the wind distributing structure 1 and the inner right side of the air conditioner main body 9 is LnAnd L isn< Ln-1(ii) a So that (L)n-1-Ln)/Ln-1≥dn/(d0- d1 -▪▪▪-dn-1) Thus, the wind speed of each area of the heat exchanger 8 can be adjusted.
As shown in fig. 4, the wind-dividing structure n1Set at a vertical distance H from the horizontal plane of the lowest position of the heat exchanger 81And a horizontal distance L from the right side in the air conditioner main body 91The width of the outlet of the fan is L0(ii) a Wind dividing structure n1The tail end tangent line divides the heat exchanger 8 into a width d1(ii) a So that (L)0-L1)/L0≥d1/d0When (L)0-L1)/L0The larger the value, the more d passes1The larger the air quantity is, the wind dividing structure n1To adjust d1The size of the regional wind speed.
As shown in fig. 4, the wind-dividing structure n2Perpendicular distance H of2And H is2> H1(ii) a Horizontal distance L2And L is2< L1(ii) a So that (L)1-L2)/L1≥d2/（d0-d1). When (L)1-L2)/L0The larger the value, the more d passes2The larger the air quantity is, the wind dividing structure n2To adjust d2The size of the regional wind speed.
When the air conditioner works, indoor air passes through the air inlet 5, is sucked by the fan and is blown out upwards, and the upward airflow passes through the air distribution structure n1If the total wind volume of the fan is Q, the wind volume is about (L)0-L1)Q/L0The air quantity enters one side and flows along the tangential direction of the tail end of the air distribution structure 1 with the width d1Of the heat exchanger 8, and L1Q/L0The air quantity enters the other side and flows to the heat exchanger 8. Therefore, when (L)0-L1)/L0The larger the value, the more d passes1The larger the air quantity is, the wind dividing structure n1The wind speed in the d1 area can be adjusted. Similarly, when n wind distribution structures are arranged, the vertical distance HnAnd H isn> Hn-1Horizontal distance LnAnd L isn< Ln-1Preferably (L)n-1-Ln)/Ln-1≥(dn/(d0- d1 -▪▪▪-dn-1) The wind speed of each heat exchange area can be adjusted (n)>1)。
Therefore, after the air outlet section of the fan and before the air inlet section of the heat exchanger 8, airflow flows through the air distribution structure 1, the regional adjustment of the surface air speed of the heat exchanger 8 is realized, low-speed regions and high-speed regions in the traditional air-conditioning heat exchanger are reduced, the surface air speed of the heat exchanger is more uniform, the heat exchange efficiency of the heat exchanger is improved, and the air conditioner is more energy-saving.
Example 2
An air duct assembly for distributing air is shown in fig. 1-3 and comprises an air conditioner main body 9, a fan and a heat exchanger 8, wherein the fan and the inclined heat exchanger 8 are arranged in the air conditioner main body 9, the fan is positioned below the heat exchanger 8, and the air conditioner main body 9 is used for accommodating corresponding components; because the heat exchanger 8 is obliquely arranged, an oblique angle exists between the heat exchanger 8 and the air conditioner main body 9, two ends of the heat exchanger 8 are low-speed areas, and the middle part of the heat exchanger 8 is a high-speed area; an air distribution structure 1 is arranged between the fan and the heat exchanger 8; the air distribution structure 1 is arranged before the air inlet section of the heat exchanger 8, and the air distribution structure 1 is arranged behind the air outlet section of the fan.
As shown in fig. 1-3, the fan is composed of a motor 4 and fan blades 3, and the fan blades 3 are arranged on the output shaft of the motor 4 and used for introducing outside air.
The wind distribution structure 1 is provided with n (n)>1) The total width of the heat exchanger 8 is then d0(ii) a The vertical distance between the wind distribution structure 1 and the horizontal plane at the lowest position of the heat exchanger 8 is HnAnd H isn> Hn-1(ii) a The horizontal distance between the wind distributing structure 1 and the inner right side of the air conditioner main body 9 is LnAnd L isn< Ln-1(ii) a So that (L)n-1-Ln)/Ln-1≥dn/(d0- d1 -▪▪▪-dn-1). The wind speed of each area of the heat exchanger 8 can be adjusted.
The wind dividing structure n1Set at a vertical distance H from the horizontal plane of the lowest position of the heat exchanger 81And a horizontal distance L from the right side in the air conditioner main body 91The width of the outlet of the fan is L0(ii) a Wind dividing structure n1Tail end tangent divides the heat exchange into widths d1(ii) a So that (L)0-L1)/L0≥d1/d0. When (L)0-L1)/L0The larger the value, the more d passes1The larger the air quantity is, the wind dividing structure n1To adjust d1The size of the regional wind speed.
The wind dividing structure n2Perpendicular distance H of2And H is2> H1(ii) a Horizontal distance L2And L is2< L1(ii) a So that (L)1-L2)/L1≥d2/（d0-d1). When (L)1-L2)/L0The larger the value, the more d passes2The larger the air quantity is, the wind dividing structure n2To adjust d2The size of the regional wind speed.
As shown in fig. 5, the wind distribution structure is an arc plate, an angle plate, a flat plate, a rectangle or a square.
When the air conditioner works, indoor air passes through the air inlet, is sucked by the fan and is blown upwards, upward airflow passes through the air distribution structure 1, the air distribution structure 1 is an arc-shaped plate, an angle-shaped plate, a flat plate, a rectangle or a square and the like, and the air distribution and the regulation of the air speed of each area of the heat exchanger 8 can be realized.
Example 3
An air conditioner comprises an air duct assembly, wherein the air duct assembly is used for distributing air.
As shown in fig. 1-3, the air conditioner main body 9 further includes a volute 2, a baffle 6, an air inlet 5 and an air outlet 7, wherein the air outlet 7 and the air inlet 5 are arranged on one side of the air conditioner main body 9 from top to bottom for air to enter and exit; a volute 2 is arranged at the blowing part of the fan and plays a role in air guiding; baffle 6 is located the heat exchanger 8 left side, leads the gaseous air outlet 7 after the heat transfer. The baffle 6 is vertically arranged, and the upper end of the baffle 6 is lower than the lower side of the air outlet 7
Indoor air enters through the air inlet 5, the output shaft of the motor 4 rotates to drive the fan blades 3 to rotate, the fan blades 3 rotate to suck air and blow the air upwards, and the upward airflow passes through the air distribution structure 1; after the air outlet section of the fan and before the air inlet section of the heat exchanger, the air distribution structure 1 adjusts the flow velocity of the gas flowing through the heat exchanger 8; the position of the air distribution structure 1 is arranged, so that the regional adjustment of the surface wind speed of the heat exchanger can be realized, low-speed regions and high-speed regions in the traditional air-conditioning heat exchanger are reduced, and the surface wind speed of the heat exchanger is more uniform. After the air duct assembly for distributing air is used, the heat exchanger of the air conditioner is higher in efficiency, better in performance and more energy-saving than a traditional air conditioner with uneven air speed distribution.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An air duct assembly for distributing air comprises an air conditioner main body, a fan and a heat exchanger, wherein the fan and the inclined heat exchanger are arranged in the air conditioner main body, and the fan is positioned below the heat exchanger; two ends of the heat exchanger are low-speed areas, and the middle of the heat exchanger is a high-speed area; the method is characterized in that: an air distribution structure is arranged between the fan and the heat exchanger; the air distributing structure is arranged before entering the air inlet section of the heat exchanger, and the air distributing structure is arranged behind the air outlet section of the fan; the wind distribution structure is provided with n (n)>1) (ii) a The wind distribution structure is provided with n (n)>1) When the total width of the heat exchanger is d0(ii) a The vertical distance between the wind distributing structure and the horizontal plane at the lowest position of the heat exchanger is HnAnd H isn>Hn-1(ii) a The horizontal distance between the wind distributing structure and the inner right side of the air conditioner main body is LnAnd L isn<Ln-1(ii) a Wind dividing structure nnThe tail end is cut into lines to divide the heat exchanger into widths dn(ii) a So that (L)n-1-Ln)/Ln-1≥dn/(d0-d1-…-dn-1)。
2. A duct assembly for distributing wind according to claim 1, wherein: the wind dividing structure n1The vertical distance from the horizontal plane of the lowest position of the heat exchanger is set to be H1And the horizontal distance from the right side in the air conditioner main body is L1The width of the outlet of the fan is L0(ii) a Wind dividing structure n1The tail end is cut into lines to divide the heat exchanger into widths d1(ii) a So that (L)0-L1)/L0≥d1/d0。
3. A duct assembly for dividing air according to claim 1 or 2, wherein: the wind dividing structure n2Perpendicular distance H of2And H is2>H1(ii) a Horizontal distance L2And L is2<L1(ii) a So that (L)1-L2)/L1≥d2/(d0-d1)。
4. A duct assembly for distributing wind according to claim 1, wherein: the wind distribution structure is an arc-shaped plate, an angle-shaped plate, a flat plate, a rectangular or square structure.
5. A duct assembly for distributing wind according to claim 1, wherein: the fan consists of a motor and fan blades, and the fan blades are arranged on an output shaft of the motor.
6. The utility model provides an air conditioner, includes wind channel subassembly which characterized in that: the air duct assembly is the air duct assembly for distributing air according to any one of claims 1 to 5.
7. An air conditioner according to claim 6, wherein: the air conditioner main body also comprises a volute, a baffle, an air inlet and an air outlet, wherein the air outlet and the air inlet are arranged on one side of the air conditioner main body from top to bottom; a volute is arranged at the blowing part of the fan; the baffle is located on the left side of the heat exchanger.
8. An air conditioner according to claim 7, wherein: the baffle set up vertically, the upper end of baffle is less than the downside of air outlet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911101789.9A CN110986169B (en) | 2019-11-12 | 2019-11-12 | Air duct assembly for distributing air and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911101789.9A CN110986169B (en) | 2019-11-12 | 2019-11-12 | Air duct assembly for distributing air and air conditioner |
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| CN110986169A CN110986169A (en) | 2020-04-10 |
| CN110986169B true CN110986169B (en) | 2021-09-21 |
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| CN201911101789.9A Active CN110986169B (en) | 2019-11-12 | 2019-11-12 | Air duct assembly for distributing air and air conditioner |
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| CN112944459A (en) * | 2021-02-24 | 2021-06-11 | 青岛海尔（胶州）空调器有限公司 | Air conditioner |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2823895Y (en) * | 2005-05-20 | 2006-10-04 | 海信集团有限公司 | Multi-section type cambered surface evaporator cabinet type air conditioner |
| JP2010019500A (en) * | 2008-07-11 | 2010-01-28 | Panasonic Corp | Heat exchanger with fin |
| CN203052932U (en) * | 2012-07-12 | 2013-07-10 | 西安交通大学 | Air deflector of air conditioner indoor unit |
| JP2014119180A (en) * | 2012-12-17 | 2014-06-30 | Daikin Ind Ltd | Humidity controller |
| CN203323244U (en) * | 2013-05-13 | 2013-12-04 | 珠海格力电器股份有限公司 | Air duct assembly and air conditioner indoor unit with same |
| CN203869163U (en) * | 2014-04-28 | 2014-10-08 | 美的集团武汉制冷设备有限公司 | Air conditioner indoor unit and split type ground air conditioner |
| CN105222224A (en) * | 2014-06-30 | 2016-01-06 | 海信（山东）空调有限公司 | A kind of indoor apparatus of air conditioner |
| CN205747184U (en) * | 2016-04-28 | 2016-11-30 | 于向阳 | Uniform flow low-resistance compact air-conditioning device |
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