CN111076290A - Air outlet duct structure suitable for air conditioner indoor unit and air conditioner - Google Patents
Air outlet duct structure suitable for air conditioner indoor unit and air conditioner Download PDFInfo
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- CN111076290A CN111076290A CN201911343153.5A CN201911343153A CN111076290A CN 111076290 A CN111076290 A CN 111076290A CN 201911343153 A CN201911343153 A CN 201911343153A CN 111076290 A CN111076290 A CN 111076290A
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- air
- duct
- air outlet
- structure suitable
- indoor unit
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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
- F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0022—Centrifugal or radial fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The invention provides an air outlet duct structure suitable for an air conditioner indoor unit and an air conditioner, relates to the technical field of air conditioners, and solves the technical problem that the air quantity of an air outlet of a left air duct and an air outlet of a right air duct is difficult to control due to a structure for realizing the shunting of the left air duct and the right air duct through a shunting cone in the prior art. The air outlet duct structure suitable for the air conditioner indoor unit comprises a duct body and one centrifugal fan, wherein the duct body at least comprises a first duct, a second duct and a third duct which are independently arranged; the air ducts of the invention are directly communicated with the air outlet of the centrifugal fan, so that the problem that the air quantity of the air outlet of the air duct for exhausting air to the left and right directions is difficult to control is avoided.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air outlet duct structure suitable for an air conditioner indoor unit and an air conditioner.
Background
Among the current air conditioner indoor unit, go up the cabinet-type machine of air-out from top to bottom and can realize the carpet formula and heat, distributed refrigeration, the travelling comfort is better. However, the lower air outlet of the upper and lower air outlet cabinet machines blows air from the middle of the cabinet machine, and people can be directly blown by the air during air outlet, so that the body feeling is uncomfortable, and the appearance is not beautiful; the existing left and right air outlet cabinet machines with lower air outlets have low assembly efficiency and high cost because of the design of a plurality of centrifugal fans; meanwhile, the lower air outlet of the cabinet air conditioner is generally designed into one air outlet and then is divided into two air outlets through the shunting cone, so that left air outlet and right air outlet are realized, the air quantity loss of air is caused when the shunting cone shunts the air by the method, and the air quantity of the left air outlet and the right air outlet is difficult to control uniformly.
Disclosure of Invention
The invention aims to provide an air outlet duct structure suitable for an air conditioner indoor unit and an air conditioner, and aims to solve the technical problem that the air quantity of air outlets of a left air duct and a right air duct is difficult to control due to a structure for realizing the shunting of the left air duct and the right air duct through a shunting cone in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides an air outlet duct structure suitable for an air conditioner indoor unit, which comprises a duct body and one centrifugal fan, wherein the duct body at least comprises a first duct, a second duct and a third duct which are independently arranged; wherein the content of the first and second substances,
the air inlet of the first air duct, the air inlet of the second air duct and the air inlet of the third air duct are communicated with the air outlet of the centrifugal fan;
the air outlet of the first air duct exhausts air upwards, and the air outlet of the second air duct and the air outlet of the third air duct exhaust air from the two side faces of the air conditioner indoor unit in the left-right direction respectively.
Optionally, the air inlet of the first air duct, the air inlet of the second air duct, and the air inlet of the third air duct are of a volute tongue structure.
Optionally, the air outlet of the centrifugal fan is arranged along the circumference of the outer edge of the wind wheel in the centrifugal fan, so that the air outlet can be discharged 360 degrees along the outer edge of the wind wheel.
Optionally, the circumferential length of the joint of the second air duct air inlet and the centrifugal fan air outlet is b, the circumferential length of the joint of the third air duct air inlet and the centrifugal fan air outlet is c, and then b is equal to c.
Optionally, the circumferential length of the joint of the first air duct air inlet and the centrifugal fan air outlet is a, and then a > b or c.
Optionally, the ratio of a, b and c is 2: 1: 1.
optionally, the sectional area of the outlet of the second air duct is e, and the sectional area of the outlet of the third air duct is f, where e is f.
Optionally, if the sectional area of the air outlet of the first air duct is d, d > e or f.
Optionally, the ratio of d, e and f is 4: 1: 1.
optionally, corners of the first air duct, the second air duct, and the third air duct are rounded.
An air conditioner comprises the air outlet duct structure suitable for an air conditioner indoor unit.
The invention provides an air outlet duct structure suitable for an air conditioner indoor unit, which comprises a duct body and one centrifugal fan, wherein the duct body at least comprises a first duct, a second duct and a third duct which are independently arranged; the air inlet of the first air duct, the air inlet of the second air duct and the air inlet of the third air duct are communicated with the air outlet of the centrifugal fan; the air outlet of the first air duct exhausts air upwards, and the air outlet of the second air duct and the air outlet of the third air duct exhaust air towards the left and right directions from two side surfaces of the air conditioner internal unit respectively.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of an air outlet duct structure suitable for an air conditioner indoor unit according to the present invention;
FIG. 2 is a schematic view of an air outlet flow direction of an air duct;
fig. 3 is a side view of an air outlet duct structure suitable for an air conditioner indoor unit.
In the figure 1, an air duct body; 2. a centrifugal fan; 3. a heat exchanger; 4. a first air duct; 5. a second air duct; 6. a third air duct; 7. a volute tongue structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The invention provides an air outlet duct structure suitable for an air conditioner indoor unit, which comprises a duct body 1 and a centrifugal fan 2 as shown in figures 1 and 2, wherein the centrifugal fan 2 is arranged in the middle of the duct body 1, as shown in figure 3, a heat exchanger 3 is arranged at the part, close to the centrifugal fan 2, behind the duct body 1, and the centrifugal fan 2 rotates to enable air to enter the duct body 1 from the duct body 1 through the heat exchanger 3 so as to exhaust air; the number of the centrifugal fans 2 is one, the air duct body 1 at least comprises a first air duct 4, a second air duct 5 and a third air duct 6 which are independently arranged, an air inlet of the first air duct 4, an air inlet of the second air duct 5 and an air inlet of the third air duct 6 are communicated with an air outlet of the centrifugal fans 2, so that the first air duct 4, the second air duct 5 and the third air duct 6 can independently supply air from the centrifugal fans 2, and the air quantity of air outlets of the air ducts is difficult to control;
the air outlet of the first air duct 4 exhausts air upwards, and the air outlet of the second air duct 5 and the air outlet of the third air duct 6 exhaust air from the two side faces of the air conditioner indoor unit towards the left and right directions respectively, so that the air conditioner can avoid the air outlet of the air conditioner from blowing consumers directly, no wind sensation is realized, and meanwhile, cold air can be blown out from the upper air outlet by the structure, distributed refrigeration is realized, hot air can be blown out from the lower air outlet, carpet heating is realized, and comfortable air conditioner use experience is brought to people;
meanwhile, the invention uses a centrifugal fan 2, so that the assembly efficiency of the air conditioner internal unit is improved, and the cost is reduced.
In an alternative embodiment, the air inlet of the first air duct 4, the air inlet of the second air duct 5, and the air inlet of the third air duct 6 are volute tongue structures 7.
According to the invention, the air inlet of the first air duct 4, the air inlet of the second air duct 5 and the air inlet of the third air duct 6 are in a volute tongue structure 7, taking the volute tongue of the third air duct 6 in fig. 1 as an example, the air inlet position of the volute tongue is from a small end A to a large end B, the sectional area of a passage is gradually reduced in the flowing process of air to realize the pressurization effect on the air, and the pressurized air is discharged to increase the refrigeration and heating efficiency of the air conditioner.
As an optional implementation mode, the air outlet of the centrifugal fan 2 is arranged along the circumference of the outer edge of the wind wheel arranged in the centrifugal fan 2, so that the air outlet can be arranged along the outer edge of the wind wheel for 360 degrees, the utilization maximization of the centrifugal fan 2 is achieved, the effect of the centrifugal fan 2 can be fully realized, the use number of the centrifugal fan 2 is reduced, and the cost is reduced.
As an optional implementation manner, the circumferential length of the connection between the air inlet of the second air duct 5 and the air outlet of the centrifugal fan 2 is b, and the circumferential length of the connection between the air inlet of the third air duct 6 and the air outlet of the centrifugal fan 2 is c, where b is equal to c.
The characteristics of the invention enable the areas of the air inlets of the second air duct 5 and the third air duct 6 which exhaust air to the left and the right to be the same, can achieve the same air quantity of the left and the right air outlets, and can enable the indoor heating to be uniform when the second air duct 5 and the third air duct 6 exhaust air, thereby realizing the carpet type heating.
As an alternative embodiment, the circumferential length of the connection between the air inlet of the first air duct 4 and the air outlet of the centrifugal fan 2 is a, and then a > b or c.
The above feature of the present invention makes the air inlet area of the first air duct 4 larger than the air inlet area of the second air duct 5 or the third air duct 6, so as to maximize the air output of the first air duct 4.
As an alternative embodiment, the ratio of a, b and c is 2: 1: 1.
the above feature of the present invention enables the air output of the first air duct 4 to be equal to the sum of the air outputs of the second air duct 5 and the third air duct 6.
In an alternative embodiment, the sectional area of the outlet of the second air duct 5 is e, and the sectional area of the outlet of the third air duct 6 is f, where e is f.
The invention ensures that the sectional areas of the air outlets of the second air duct 5 and the third air duct 6 which output air to the left and the right are the same, and can ensure that the space is heated uniformly.
In an alternative embodiment, if the sectional area of the outlet of the first air duct 4 is d, d > e or f.
As an alternative embodiment, the ratio of d, e and f is 4: 1: 1.
in the invention, the ratio of d, e and f is 4: 1: 1, the distributed refrigeration is realized.
As an alternative embodiment, the corners of the first air duct 4, the second air duct 5 and the third air duct 6 are rounded.
According to the invention, the corners of the first air duct 4, the second air duct 5 and the third air duct 6 are smoothly and transitionally arranged, so that the air volume loss can be reduced.
An air conditioner comprises the air outlet duct structure suitable for an air conditioner indoor unit.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (11)
1. The utility model provides an air-out wind channel structure suitable for air conditioner internal unit, includes wind channel body and centrifugal fan, its characterized in that: the number of the centrifugal fans is one, and the air duct body at least comprises a first air duct, a second air duct and a third air duct which are independently arranged; wherein the content of the first and second substances,
the air inlet of the first air duct, the air inlet of the second air duct and the air inlet of the third air duct are communicated with the air outlet of the centrifugal fan;
the air outlet of the first air duct exhausts air upwards, and the air outlet of the second air duct and the air outlet of the third air duct exhaust air from the two side faces of the air conditioner indoor unit in the left-right direction respectively.
2. An air outlet duct structure suitable for an indoor unit of an air conditioner as claimed in claim 1, wherein: the air inlet of the first air duct, the air inlet of the second air duct and the air inlet of the third air duct are of volute tongue structures.
3. An air outlet duct structure suitable for an air conditioner indoor unit according to claim 1 or 2, characterized in that: the air outlet of the centrifugal fan is arranged along the circumference of the outer edge of the wind wheel in the centrifugal fan, so that the air outlet can be discharged 360 degrees along the outer edge of the wind wheel.
4. An air outlet duct structure suitable for an indoor unit of an air conditioner as claimed in claim 3, wherein: the second wind channel air inlet with the circumference length of centrifugal fan air exit junction is b, the third wind channel air inlet with the circumference length of centrifugal fan air exit junction is c, then b equals c.
5. An air outlet duct structure suitable for an indoor unit of an air conditioner according to claim 4, wherein: and the circumferential length of the joint of the first air duct air inlet and the centrifugal fan air outlet is a, and a is greater than b or c.
6. An air outlet duct structure suitable for an indoor unit of an air conditioner according to claim 5, wherein: a. the ratio of b to c is 2: 1: 1.
7. an air outlet duct structure suitable for an air conditioner indoor unit according to claim 1 or 2, characterized in that: the sectional area of the air outlet of the second air duct is e, the sectional area of the air outlet of the third air duct is f, and then e is f.
8. An air outlet duct structure suitable for an internal unit of an air conditioner as claimed in claim 7, wherein: and the sectional area of the air outlet of the first air duct is d, and d is greater than e or f.
9. An air outlet duct structure suitable for an indoor unit of an air conditioner according to claim 8, wherein: d. the ratio of e to f is 4: 1: 1.
10. an air outlet duct structure suitable for an indoor unit of an air conditioner as claimed in claim 1, wherein: corners of the first air duct, the second air duct and the third air duct are arranged in a smooth transition mode.
11. An air conditioner, characterized in that: the air outlet duct structure suitable for the air conditioner internal unit comprises the air outlet duct structure suitable for the air conditioner internal unit as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911343153.5A CN111076290A (en) | 2019-12-24 | 2019-12-24 | Air outlet duct structure suitable for air conditioner indoor unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911343153.5A CN111076290A (en) | 2019-12-24 | 2019-12-24 | Air outlet duct structure suitable for air conditioner indoor unit and air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN111076290A true CN111076290A (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911343153.5A Pending CN111076290A (en) | 2019-12-24 | 2019-12-24 | Air outlet duct structure suitable for air conditioner indoor unit and air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112817350A (en) * | 2020-12-30 | 2021-05-18 | 长沙瑞和数码科技有限公司 | Ventilation control method and system for building farm |
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2019
- 2019-12-24 CN CN201911343153.5A patent/CN111076290A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112817350A (en) * | 2020-12-30 | 2021-05-18 | 长沙瑞和数码科技有限公司 | Ventilation control method and system for building farm |
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