WO2018045942A1 - Air supply apparatus and air conditioner cabinet - Google Patents

Abstract

An air supply apparatus, comprising: an air distribution structure having an air supply cavity, and an air distribution structure air inlet in communication with the air supply cavity and at least two air distribution structure air outlets (1); an air guide duct (2) is arranged between adjacent air distribution structure air outlets. Also disclosed is an air conditioner cabinet which uses the above air supply apparatus.

Description

Air outlet device and air conditioner cabinet Technical field

The invention relates to the field of air conditioning devices, and in particular to an air outlet device and an air conditioner cabinet.

Background technique

The air conditioner cabinet of the prior art comprises a fan disposed at the bottom of the cabinet machine and entering the air in the cabinet machine, a heat exchanger disposed at the outlet side of the fan for the air inlet heat exchange, and a fan disposed at the top of the cabinet machine to the outside of the cabinet machine. The structure of the wind. The prior art air conditioner cabinet has the following disadvantages in the use process: 1. The cooling or heating high-speed wind that is exchanged by the heat exchanger is directly blown out through the air outlet structure, and the human body feels that the wind speed is high, and the wind is too cold. Overheating leads to poor comfort; 2, the heat exchanger is arranged on the outlet side of the fan, resulting in a non-uniform wind speed from the outlet structure, and the heat transfer efficiency is not high. In addition, the fan inlet air enters from the fan side. The wind side enters the wind, so the inlet area is small and the fan efficiency is limited.

Summary of the invention

Therefore, the technical problem to be solved by the present invention is to overcome the high-speed wind that is cooled or heated by the heat exchanger in the air-conditioning cabinet of the prior art, and directly blows out through the air outlet structure, and the human body feels higher wind speed and comfort. Poor defects, thereby providing an air outlet device and air conditioner cabinet with good ventilation comfort.

In order to solve the above technical problem, an air outlet device of the present invention includes

a wind dividing structure having a blowing chamber, and a wind dividing structure air inlet communicating with the air supply chamber At least two air distribution structure air outlets; an air guiding channel is arranged between the air outlets of the adjacent air separation structures.

In the air outlet device of the present invention, the cross-sectional area of the air guiding passage is larger than the area of the air outlet of the air separation structure.

In the air outlet device of the present invention, the ratio of the cross-sectional area of the air intake passage to the air outlet of the air separation structure ranges from 1 to 5.

In the air outlet device of the present invention, the height H of the air outlet of the air separation structure is 0.4 to 0.8 m.

In the air outlet device of the present invention, the air outlet speed in the air outlet of the air separation structure is greater than 5 m/s.

In the air outlet device of the present invention, the air outlet device further includes a air supply duct, and the air separation structure is rotatably disposed on the air supply duct.

In the air outlet device of the present invention, the lower end of the air separation structure is provided with a rotating bearing structure, and the rotating bearing structure is rotatably disposed on the air supply pipe, and satisfies the area ratio of the tapered section S ₂ /S ₁ not less than 0.5, and is gradually expanded. The sectional area ratio S ₃ /S _{2 is} not more than 2, wherein S ₁ is the sectional area of the air outlet of the air supply duct, S ₂ is the sectional area of the upper end of the rotating load bearing structure, and S ₃ is the sectional area of the air outlet of the divided air structure.

In the air outlet device of the present invention, the air outlet of the air separation structure has a long and narrow shape, and the air outlets of the air distribution structures are arranged side by side in a long side adjacent manner.

In the air outlet device of the present invention, each air outlet structure air outlet is divided into a plurality of corresponding sub air outlets by a plurality of air separation partitions, and independent air distribution passages corresponding to the sub air outlets are formed between the adjacent air separation partitions. .

In the air outlet device of the present invention, one end of the air separation baffle near the air inlet of the air separation structure is inclined at an angle to the vertical plane, and the oblique direction greets the air flow direction at the air inlet of the air separation structure.

In the air outlet device of the present invention, the angle of the included angle is 0-15°.

An air conditioner cabinet according to the present invention further has an air outlet device as described above.

In an air conditioner cabinet of the present invention, the heat exchanger in the air conditioner cabinet is disposed in the air conditioner cabinet The wind side of the fan.

In an air conditioner cabinet of the present invention, an auxiliary air inlet is further provided on a side wall of the fan casing on the non-inlet side.

In an air conditioner cabinet machine of the present invention, the fan is a centrifugal fan, and the centrifugal fan is coaxially provided with two.

In an air conditioner cabinet of the present invention, a fan partition is further disposed between the two centrifugal fans. The technical solution of the present invention has the following advantages:

1. In the air outlet device of the present invention, the cooling air/heating from the air separation structure can be made by the arrangement of the air guiding passage and the airflow in the air blowing chamber to form the power of the air in the air guiding passage. The air is mixed with the natural wind coming out of the air intake passage, which not only reduces the wind speed of the wind, but also makes the air temperature when blowing into the human active area closer to the human body temperature, and the comfort is good.

2. In the air outlet device of the present invention, the air separation structure has two or more air distribution structure air outlets, which can increase the air supply range of the air separation structure.

3. In the air outlet device of the present invention, the air separation structure is rotatably disposed on the air supply duct to ensure that the air blowing device covers the entire space.

4. In the air-conditioning cabinet of the present invention, since the air outlet device of the present invention is provided, not only the air blowing comfort can be improved, but also the air blowing range can be increased.

5. In the air conditioner cabinet of the present invention, the heat exchanger of the air conditioner cabinet is disposed on the air inlet side of the fan, which can make the wind speed of the wind more uniform and the comfort is better.

6. In the air conditioner cabinet of the present invention, the fan is provided with an auxiliary air inlet to increase the air inlet area.

DRAWINGS

In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings to be used in the specific embodiments or the description of the prior art will be briefly described below, and obviously, the attached in the following description The drawings are some embodiments of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.

Figure 1 is a front view of the air conditioner cabinet of the fan of the present invention using a double centrifugal fan;

2 is a front view of the air conditioner cabinet of the fan of the present invention using a mixed flow fan;

Figure 3 is a perspective view of the right half of Figure 1;

Figure 4 is a front elevational view of the air outlet structure of the present invention;

Figure 5 is a cross-sectional view taken along line A-A of Figure 4;

Figure 6 is a perspective view of Figure 4;

Description of the reference signs:

1-divide structure air outlet; 2-duct air passage; 3-divide air partition; 4-fan; 5-heat exchanger; 6-air supply duct; 7-fan partition, 8-rotation bearing structure.

detailed description

The technical solutions of the present invention will be clearly and completely described in the following with reference to the accompanying drawings. It is obvious that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or connected integrally; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be internal to both components Connected. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

Further, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.

Example 1

As shown in Figures 1-6, an air outlet device of the present invention includes

a wind dividing structure having a blowing chamber, and a wind dividing structure air inlet communicating with the air supply chamber and at least two air distribution structure air outlets 1; an air guiding passage 2 is disposed between the air outlets 1 of the adjacent wind dividing structure .

The above solution is the core solution of the invention, and the cooling air/heating from the air separation structure can be made by the arrangement of the air guiding passage 2 and the airflow in the air supply chamber to form the air in the air guiding passage 2 The air and the natural wind coming out of the air intake channel are mixed and sent out, which not only reduces the wind speed of the wind, but also makes the air temperature when blowing into the human active area closer to the human body temperature, and the comfort is good.

In the specific design, the structure of the air separation structure is various. In the embodiment, it is preferable that the air separation structure has two air outlets of the air distribution structure, and the gap between the air outlets 1 of the two air separation structures is formed. The air inlet channel 2 is disposed between the air outlets 1 of the two adjacent air distribution structures. The arrangement of the air outlets 1 of the two or more air distribution structures can increase the air supply range of the air separation structure.

Further, the cross-sectional area of the air inlet passage is larger than the area of the air outlet 1 of the air separation structure. Preferably, the ratio of the cross-sectional area of the air guiding passage to the air outlet of the air distribution structure ranges from 1 to 5. In this way, the wind can be quickly lowered by 0.5m from the air outlet of the casing, so that the wind feeling is weak when reaching the human active area, and the comfort is further improved. Meanwhile, when the air outlet device of the present invention is applied to an air conditioner, a large air intake port The area can increase the circulating air volume before and after the air conditioner, and speed up the room cooling/heating speed.

The height H of the air outlet 1 of the air distribution structure should not be too high, nor too low, and the height is too low to form airflow obstruction. The height is too high to form a reverse suction above the air outlet 1 of the air separation structure. In this embodiment, it is preferred. The height H of the air outlet 1 is close to the height of the human torso, and the range is 0.4 to 0.8 m. Further, the air velocity in the air outlet 1 of the air separation structure is greater than 5 m/s to ensure that the air intake can be sufficiently large. The pressure difference between the front and the back ensures a smooth flow of the middle air.

In order to ensure that the air supply device of the air outlet device can cover the entire space, the air outlet device further comprises a air supply duct 6, and the air separation structure is rotatably disposed on the air supply duct 6.

The change of the air supply area is formed by the venturi tube, the air supply duct 6 is firstly contracted, and then expanded, and the lower end of the air separation structure is provided with a rotating load bearing structure 8, and the rotating load bearing structure 8 is rotatably disposed on the air supply duct 6, and is configured to be tapered. The sectional area ratio S ₂ /S _{1 is} not less than 0.5, and the diverging area ratio S ₃ /S _{2 is} not more than 2, wherein S ₁ is the sectional area of the air outlet of the air duct, and S ₂ is the sectional area of the upper end of the rotating bearing structure 8 , S ₃ is the cross-sectional area of the air outlet of the wind dividing structure.

In order to further increase the air supply area, it is preferable that the air outlet structure 1 has an elongated shape, and the air outlets 1 of each of the air separation structures are arranged side by side in a long side adjacent manner. In order to ensure that the air outlet at the air outlet of the wind dividing structure is relatively uniform, each air outlet structure air outlet 1 is divided into a plurality of corresponding sub air outlets by a plurality of air partitions 3, and corresponding air separation partitions 3 are formed correspondingly. Independent air supply passage for the sub-vent. The number of the air separation partitions is usually between 2 and 10, and in the present embodiment, preferably three.

In order to reduce the airflow loss, one end of the air separation baffle 3 near the air inlet of the air separation structure is inclined at an angle to the vertical plane, and the oblique direction greets the airflow direction at the air inlet of the air separation structure. Preferably, the angle of the included angle is 0-15°. The thickness d of the air separation baffle is not more than 5 mm, and the lower end of the air separation baffle can form a tip to reduce airflow loss.

As shown in Fig. 1, an air conditioner cabinet according to the present invention has the above-described air outlet device, which can not only improve the air blowing comfort but also increase the air blowing range.

Further, the heat exchanger 5 in the air conditioner cabinet is disposed on the air inlet side of the fan 4 in the air conditioner cabinet, so that the wind speed at the fan outlet can be made more uniform. The heat exchanger 5 is not limited to the use of a current finned copper tube heat exchanger, which may be replaced by a refrigeration/heat semiconductor heat exchange sheet. When a semiconductor heat exchange sheet is used, the air conditioner does not need to be connected to the external unit. At the same time, the fan 4 can adopt various types of fans, such as a centrifugal fan, a cross flow fan, a mixed flow fan and an axial flow fan. In order to ensure the pressure resistance of the fan, the fan 4 is preferably a centrifugal fan, and the centrifugal fan is coaxially provided with two. A mixed flow fan can also be preferred, as shown in FIG.

In order to increase the air inlet area of the fan and improve the efficiency of the fan, an auxiliary air inlet is also provided on the side wall of the non-inlet side of the fan casing.

At the same time, in order to avoid mutual interference between the two centrifugal fans, a fan partition 7 is also arranged between the two centrifugal fans.

It is apparent that the above-described embodiments are merely illustrative of the examples, and are not intended to limit the embodiments. Other variations or modifications of the various forms may be made by those skilled in the art in light of the above description. There is no need and no way to exhaust all of the implementations. Obvious changes or variations resulting therefrom are still within the scope of the invention.

Claims (16)

1. An air outlet device characterized by comprising

   a wind dividing structure having a blowing chamber, and a wind dividing structure air inlet communicating with the air blowing chamber and at least two air dividing structure air outlets (1); adjacent to the air dividing structure air outlet (1) ) Set the draft passage (2) between.
2. The air outlet device according to claim 1, characterized in that the cross-sectional area of the air guiding passage (2) is larger than the area of the air outlet (1) of the air dividing structure.
3. The air outlet device according to claim 2, wherein an area ratio of a cross-sectional area of the air guiding passage (2) to an air outlet (1) of the air separation structure ranges from 1 to 5.
4. The air outlet device according to claim 1, characterized in that the height H of the air outlet (1) of the air separation structure is 0.4 to 0.8 m.
5. The air outlet device according to claim 4, characterized in that the air outlet speed in the air outlet (1) of the air separation structure is greater than 5 m/s.
6. The air outlet device according to any one of claims 1 to 5, wherein the air outlet device further comprises a air supply duct (6), and the air separation structure is rotatably disposed on the air supply duct (6) Upper.
7. The air outlet device according to claim 6, wherein a lower end of the air separation structure is provided with a rotation bearing structure (8), and the rotation bearing structure (8) is rotatably disposed on the air supply pipe (6) Above, and satisfying the tapered area ratio S ₂ /S _{1 is} not less than 0.5, and the diverging area ratio S ₃ /S _{2 is} not more than 2, where S ₁ is the sectional area of the air outlet of the air duct, and S ₂ is the rotation The cross-sectional area of the upper end of the load-bearing structure (8), and S ₃ is the cross-sectional area of the air outlet of the wind-dividing structure.
8. The air outlet device according to any one of claims 1 to 5, characterized in that the air outlet (1) of the air separation structure has an elongated shape, and the air outlet (1) of each of the air separation structures has a long side phase Neighbors are set side by side.
9. The air outlet device according to claim 8, wherein each of the air distribution structure air outlets (1) is divided into a plurality of corresponding sub air outlets by a plurality of air separation partitions (3), adjacent to said A separate air supply passage for the corresponding sub-window is formed between the air separation partitions (3).
10. The air outlet device according to claim 9, wherein an end of the air separation partition (3) adjacent to the air inlet of the air separation structure is inclined at an angle to the vertical plane, and the direction is inclined The direction of the airflow at the air inlet of the wind dividing structure.
11. The air outlet device according to claim 10, wherein the angle of the included angle is 0-15°.
12. An air conditioner cabinet, characterized by further comprising the air outlet device according to any one of claims 1-11.
13. The air conditioner according to claim 12, characterized in that the heat exchanger (5) in the air conditioner cabinet is disposed on the air inlet side of the fan (4) in the air conditioner cabinet.
14. The air conditioning cabinet according to claim 13, wherein an auxiliary air inlet is further provided on a side wall of the fan casing on the non-inlet side.
15. The air conditioner according to claim 13 or 14, wherein the fan (4) is a centrifugal fan, and the centrifugal fan is coaxially provided with two.
16. The air conditioning cabinet according to claim 15, characterized in that a fan partition (7) is further arranged between the two centrifugal fans.

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